CN115848297B - Mobile engineering equipment data control management terminal and method thereof - Google Patents
Mobile engineering equipment data control management terminal and method thereof Download PDFInfo
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- 239000000446 fuel Substances 0.000 claims abstract description 141
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- 238000012544 monitoring process Methods 0.000 claims abstract description 93
- 238000004891 communication Methods 0.000 claims abstract description 77
- 239000010763 heavy fuel oil Substances 0.000 claims abstract description 49
- 238000002485 combustion reaction Methods 0.000 claims abstract description 27
- 239000003921 oil Substances 0.000 claims abstract description 7
- 238000007726 management method Methods 0.000 claims description 53
- 239000002828 fuel tank Substances 0.000 claims description 36
- 230000001186 cumulative effect Effects 0.000 claims description 19
- 230000006735 deficit Effects 0.000 claims description 11
- 238000007599 discharging Methods 0.000 claims description 11
- 239000007788 liquid Substances 0.000 claims description 10
- 238000006243 chemical reaction Methods 0.000 claims description 9
- 239000000295 fuel oil Substances 0.000 claims description 6
- 238000004364 calculation method Methods 0.000 claims description 5
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- 101100518501 Mus musculus Spp1 gene Proteins 0.000 claims 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 6
- 229910052744 lithium Inorganic materials 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 3
- 125000004122 cyclic group Chemical group 0.000 description 3
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- 238000009825 accumulation Methods 0.000 description 1
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- 238000006073 displacement reaction Methods 0.000 description 1
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Abstract
The invention provides a mobile engineering equipment data control management terminal, which comprises a fuel monitoring module, a control module and a control module, wherein the fuel monitoring module is arranged at an oil tank of a current engineering vehicle and is used for acquiring the height of residual fuel in the oil tank; the vehicle data acquisition module is used for periodically acquiring the running state information and the real-time position information of the current engineering vehicle; the communication module is used for communicating with the remote management master station regularly; the energy storage module is respectively and electrically connected with the fuel monitoring module, the vehicle data acquisition module and the communication module and is used for storing or releasing electric energy; the output end of the internal combustion engine is connected with an axle or an energy storage module of the current engineering vehicle, and the output torque drives the current engineering vehicle to run or converts mechanical energy into electric energy to charge the energy storage module; the vehicle-mounted ECU periodically wakes up the fuel monitoring module, the vehicle data acquisition module or the communication module, and guides the output power of the internal combustion engine to an axle or an energy storage module of the engineering vehicle.
Description
Technical Field
The invention relates to the technical field of engineering equipment, in particular to a mobile engineering equipment data control management terminal and a method thereof.
Background
The outdoor mobile engineering vehicle is a special vehicle applied to different industrial or life fields, such as an emergency engineering vehicle, an electric power emergency repair vehicle, a fire pump vehicle or a mobile sewage suction pump vehicle, and the like, and the vehicle type can be of a heavy truck, a light truck or a pick-up truck type, so that the outdoor mobile engineering vehicle is widely used in various fields in daily life. The data control management terminal of the mobile engineering vehicle is a technical means for monitoring the operation parameters of outdoor mobile engineering vehicles of the outer group and facilitating the remote management of the operation conditions of the vehicles by the background. When the outdoor mobile engineering vehicle executes an outer dispatching task, a certain monitoring period is set; the outdoor mobile engineering vehicle may be in a stop state for a long time during the outer dispatch, so that the vehicle-mounted data control management terminal completely depends on the power supply of the built-in lithium battery, reliable information output in the whole monitoring period may not be ensured, once the electric quantity of the lithium battery is exhausted and the lithium battery is not charged in time, the remote management background cannot acquire the working state of the outdoor mobile engineering vehicle in time, and management risks may be brought.
Chinese patent application publication No. CN109146361a discloses an intelligent unmanned freight vehicle, which includes a driving module, a path navigation module, an obstacle avoidance module, a communication module, i.e., a data processing module, in which a battery power management module is provided, but there is no specific scheme about energy dispatching. The engineering vehicle runs in the outdoor place far away from the city for a long time, the direct current or alternating current power supply is difficult to acquire in time, the running of the vehicle and the energy supply of the data control management terminal are derived from alternating current power generation equipment carried by the vehicle, and fuel oil is shared with the engineering vehicle, so that the normal running of the vehicle and the normal running of the data control management terminal are ensured, and the management and control means of the data control management terminal of the mobile engineering equipment and the energy scheduling method of the data control management terminal are very necessary.
Disclosure of Invention
In view of the above, the present invention provides a mobile engineering equipment data control management terminal and a method thereof capable of realizing internal energy scheduling according to the residual oil amount when an engineering vehicle is parked in an outdoor short period far from an urban area.
The technical scheme of the invention is realized as follows: in one aspect, the present invention provides a mobile engineering equipment data control management terminal, including
The fuel monitoring module is arranged at the fuel tank of the current engineering vehicle and is used for periodically acquiring the height of the residual fuel in the fuel tank;
the vehicle data acquisition module is arranged on the chassis or the axle of the current engineering vehicle and is used for periodically acquiring the running state information and the real-time position information of the current engineering vehicle;
the communication module is arranged on the current engineering truck and is used for communicating with the remote management master station regularly;
the energy storage module is respectively and electrically connected with the fuel monitoring module, the vehicle data acquisition module and the communication module and is used for storing or releasing electric energy;
the output end of the internal combustion engine is connected with an axle of the current engineering vehicle or the energy storage module, and the output torque drives the current engineering vehicle to run or converts mechanical energy into electric energy to charge the energy storage module;
the vehicle-mounted ECU is respectively in communication connection with the fuel monitoring module, the vehicle data acquisition module, the communication module, the energy storage module and the internal combustion engine, periodically wakes the fuel monitoring module, the vehicle data acquisition module or the communication module in a monitoring period, and guides the output power of the internal combustion engine to an axle or the energy storage module of the engineering vehicle.
On the basis of the technical scheme, preferably, the fuel monitoring module comprises a liquid level sensor and a first ADC unit, the liquid level sensor acquires a residual fuel height signal in the fuel tank and sends the residual fuel height signal to the first ADC unit, the first ADC unit converts the residual fuel height signal into a corresponding digital quantity and sends the digital quantity to the vehicle-mounted ECU, and the vehicle-mounted ECU estimates the total power of the residual fuel after acquiring the digital quantity corresponding to the residual fuel height.
Preferably, the vehicle data acquisition module comprises a voltage sensor, a gyroscope and a positioning unit, wherein the voltage sensor is used for acquiring the output voltage of the energy storage module; the gyroscope is used for acquiring acceleration of the current engineering vehicle in different preset axial directions; the positioning unit is used for acquiring the longitude and latitude of the current engineering vehicle; the output ends of the voltage sensor, the gyroscope and the positioning unit are all in communication connection with the vehicle-mounted ECU.
Preferably, the vehicle-mounted ECU requests the remote management master station for the position information of the nearest gas station according to the longitude and latitude of the current engineering vehicle obtained by the positioning unit, and the remote management master station feeds back the distance between the current engineering vehicle position and the nearest gas station to the vehicle-mounted ECU.
Preferably, the vehicle-mounted ECU acquires the height of the fuel reserved for charging the energy storage module according to the estimated total power of the residual fuel and the distance between the current position of the engineering vehicle and the nearest gas station, so that the total power of the residual fuel is estimated as P by the ECU, the fuel power required by the current engineering vehicle to reach the nearest gas station is estimated as P1, and the fuel power reserved for charging the energy storage module is P2, wherein P=P1+P2; wherein the fuel power p1= (η1×ρ×k×d×h1×v) required for the current working vehicle to reach the nearest filling station 2 ) T1; η1 is the efficiency of an internal combustion engine to convert chemical energy of fuel into mechanical energy; ρ is the fuel density; k is the energy contained in the fuel per unit volume; d is the cross-sectional area of the oil tank; h1 is the height of the fuel needed by the current engineering truck to reach the nearest gas station; v is under the current running working condition of the engineering truckAverage speed to reach nearest gas station; t1 is the time required for the current engineering survey to travel at average speed V to reach the nearest gas station; the fuel power reserved for charging the energy storage module is p2= (η1×η2×ρ×k×d×h2×f) 2 ) T2; η2 is the efficiency of the conversion of mechanical energy into electrical energy for charging the energy storage module; h2 is the height of the fuel used for charging the energy storage module; f is the fuel consumption of the internal combustion engine in a state of being charged by the energy storage module in unit time; t2 is the accumulated charging time of the internal combustion engine working in the charging state of the energy storage module in the current monitoring period; the sum of h1 and h2 is the height of the fuel remaining in the current fuel tank, and the priority of h1 is higher than h2.
Preferably, the vehicle-mounted ECU further counts the average value of daily accumulated power consumption of the fuel monitoring module, the vehicle data acquisition module and the communication module in a plurality of monitoring periods before the current monitoring period, and the average value of daily accumulated power consumption of the vehicle-mounted ECU itself;
average PQ1 of daily accumulated power consumption of the fuel monitoring module; average value PQ2 of daily accumulated power consumption of the vehicle data acquisition module; average value PQ3 of daily cumulative power consumption of the communication module, average value PQ4 of daily cumulative power consumption of the vehicle ECU; then there is fuel power p2=nxmxm× (pq1+pq2+pq3+pq4) reserved for charging the energy storage module; n is the number of days contained in each monitoring period, and n is a positive integer; m is the capacity impairment factor of the energy storage module, and the value range of m is [0.7,1].
Preferably, the method for calculating the capacity impairment factor m of the energy storage module is as follows: order the
The method comprises the steps of carrying out a first treatment on the surface of the Wherein the method comprises the steps ofNTo accumulate the number of discharge cycles; />
Is an upward rounding operation;U 100 、U 90 、U 20 andU 0 respectively representing that the rated capacity of the energy storage module is full, the rated capacity is 90%, the rated capacity is 20% and the rated capacity is exhaustedIs set to the discharge voltage of (1);Ua start discharge voltage or an end discharge voltage representing a discharge state of the energy storage module between adjacent charging phases acquired by the vehicle data acquisition module;A、BandCoutput voltages respectively representing discharge states of the energy storage modules acquired by the vehicle data acquisition module are accumulated and passed through (rated capacity is full, rated capacity is 90 percent)]The number of times of the interval is corrected and accumulated to pass through (rated capacity 90%, rated capacity 20%)]Correction value of number of intervals and entry [ rated capacity 20%, capacity exhaustion ]]Correcting value of the number of times of the interval; if the initial output voltage does not pass through the corresponding rated capacity interval, the corresponding addition item in the discharging process is set to 0;
when the discharge cycle times are accumulatedNWhen the calculated value of (2) is within the interval (0, 100), the value of m is 1; when the discharge cycle times are accumulatedNWhen the calculated value of (2) is within the interval of [100, 300), the value of m is 0.9; when the discharge cycle times are accumulatedNWhen the calculated value of (2) is within the interval of [300, 500), the value of m is 0.8.
Preferably, the vehicle-mounted ECU executes different rules according to the current fuel height:
1) When the height of the residual fuel in the fuel tank is not more than h1; the vehicle-mounted ECU wakes up the communication module and sends a first alarm signal to the cab of the current engineering vehicle and the communication module to indicate that the emergency state is entered, the residual fuel in the fuel tank of the engineering vehicle cannot reach the nearest gas station, the engineering vehicle is required to stop on site and intervene in time, and after the communication module sends the first alarm signal to the remote management master station, the fuel monitoring module, the vehicle data acquisition module and the communication module all enter a shutdown state;
2) When the height of the residual fuel in the fuel tank exceeds h1, but the height h2 of the fuel for charging the energy storage module is insufficient to support the requirement of the fuel power P2 reserved for charging the energy storage module in the current monitoring period, the vehicle-mounted ECU wakes up the communication module and sends a second alarm signal to the cab of the current engineering truck and the communication module, and after the communication module sends the second alarm signal to the remote management master station, the fuel monitoring module, the vehicle data acquisition module or the communication module partially or completely enters a dormant state; before the height h2 of the fuel oil for charging the energy storage module is exhausted, the vehicle-mounted ECU periodically prompts a driver to refuel;
3) When the height of the residual fuel in the fuel tank exceeds h1 and the height h2 of the fuel for charging the energy storage module meets the requirement of the fuel power P2 reserved for charging the energy storage module in the current monitoring period, the fuel monitoring module, the vehicle data acquisition module, the communication module and the vehicle-mounted ECU execute scheduled work according to a plan, the vehicle-mounted ECU wakes the communication module to send a fuel-sufficient prompt signal to the cab of the current engineering vehicle and the communication module, and the communication module sends the fuel-sufficient prompt signal in the current monitoring period to the remote management master station.
On the other hand, the invention also provides a method for controlling and managing engineering equipment data, which comprises the following steps:
s1: the mobile engineering equipment data control management terminal is configured on the current engineering vehicle;
s2: the fuel monitoring module periodically acquires a residual fuel oil height signal in the fuel tank of the current engineering vehicle, and the vehicle-mounted ECU requests the position information of the nearest gas station to the remote management master station according to the longitude and latitude of the current engineering vehicle acquired by the positioning unit, acquires the distance between the position of the current engineering vehicle and the nearest gas station, and calculates the required residual fuel oil height h1 in the fuel tank; further acquiring the height h2 of the fuel reserved for charging the energy storage module;
s3: the vehicle-mounted ECU also counts the daily accumulated power consumption average value of the fuel monitoring module, the vehicle data acquisition module and the communication module in a plurality of monitoring periods before the current monitoring period and the daily accumulated power consumption average value of the vehicle-mounted ECU;
average PQ1 of daily accumulated power consumption of the fuel monitoring module; average value PQ2 of daily accumulated power consumption of the vehicle data acquisition module; average value PQ3 of daily cumulative power consumption of the communication module, average value PQ4 of daily cumulative power consumption of the vehicle ECU; then there is fuel power p2=nxmxm× (pq1+pq2+pq3+pq4) reserved for charging the energy storage module; n is the number of days contained in each monitoring period, and n is a positive integer; m is a capacity impairment factor of the energy storage module, the value range of m is [0.7,1], and the value of m is related to the accumulated discharge cycle times of the energy storage module;
s4: the vehicle-mounted ECU judges whether the vehicle-mounted ECU can reach a gas station closest to the current engineering vehicle position according to the height of the residual fuel in the fuel tank, and further meets the fuel power requirement for charging the energy storage module in the current monitoring period, and sends out different alarm signals or prompt signals to prompt the engineering vehicle driver or the remote management master station to pay attention to the fuel liquid level change condition.
Compared with the prior art, the mobile engineering equipment data control management terminal and the method thereof have the following beneficial effects:
(1) The scheme provides a dynamic energy scheduling system and a scheduling method thereof by comprehensively planning the fuel quantity, the endurance mileage and the energy consumption state of the vehicle-mounted equipment of the present engineering vehicle by the vehicle-mounted ECU, and comparing the position of the nearest gas station, thereby realizing the full utilization of the vehicle-mounted limited petrochemical energy and avoiding the phenomenon of data acquisition/transmission interruption or communication interruption of the vehicle-mounted equipment caused by power failure as far as possible under the premise of ensuring normal operation;
(2) The fuel power reserved for charging the energy storage module fully considers the duration of the current monitoring period, the evaluation power consumption of each functional module, capacity loss of the energy storage module and other factors, can estimate the power which can be provided by the fuel outside the vehicle driving, is beneficial to scientific decision and timely informs the engineering vehicle driver or remotely manages the real-time condition of the main station vehicle.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a block diagram of a mobile equipment data control management terminal according to the present invention;
fig. 2 is a flowchart of a mobile engineering equipment data control management method according to the present invention.
Detailed Description
The following description of the embodiments of the present invention will clearly and fully describe the technical aspects of the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present invention without making any inventive effort, are intended to fall within the scope of the present invention.
The technical scheme of the invention is realized as follows: as shown in FIG. 1, in one aspect, the present invention provides a mobile engineering equipment data control management terminal, comprising
The fuel monitoring module 1 is arranged at the fuel tank of the current engineering vehicle and is used for periodically acquiring the height of the residual fuel in the fuel tank;
the vehicle data acquisition module 2 is arranged on the chassis or the axle of the current engineering vehicle and is used for periodically acquiring the running state information and the real-time position information of the current engineering vehicle; and sent to the vehicle ECU.
And the communication module 3 is arranged on the current engineering truck and is used for periodically communicating with the remote management master station. The communication module 3 can adopt a 4G/5G network based on an operator network or a self-built internet of things for wireless data transmission.
The output end of the internal combustion engine 4 is connected with an axle of the current engineering vehicle or the energy storage module, and the output torque drives the current engineering vehicle to run or converts mechanical energy into electric energy for charging the energy storage module; the internal combustion engine 4 here comprises, on the one hand, a fuel engine and, on the other hand, a fuel generator, i.e. it is able to convert chemical energy into mechanical energy for direct output and to convert mechanical energy further into electrical energy for output.
The energy storage module is respectively and electrically connected with the fuel monitoring module 1, the vehicle data acquisition module 2 and the communication module 3 and is used for storing or releasing electric energy; the energy storage module has charging and discharging capabilities, and an inverter device or a DC-DC device is integrated in the energy storage module, so that an alternating signal output by the internal combustion engine can be converted into a direct current signal for use or the inverted direct current signal can be further reduced in voltage. The lithium battery is arranged in the energy storage module, the energy storage module has certain capacity, and the energy storage module needs to be charged and supplemented in time after the capacity is consumed.
The vehicle-mounted ECU is respectively in communication connection with the fuel monitoring module 1, the vehicle data acquisition module 2, the communication module 3, the energy storage module and the internal combustion engine 4, periodically wakes the fuel monitoring module 1, the vehicle data acquisition module 2 or the communication module 3 in a monitoring period, and guides the output power of the internal combustion engine 4 to an axle or the energy storage module of the engineering vehicle. When the engineering vehicle is located outdoors and needs to stay for a certain time and cannot return to the initial place in time, the remote state and position management of the engineering vehicle become particularly important. The vehicle-mounted ECU judges whether a fuel supply station is in a certain area around the vehicle or not by taking the current position of the vehicle as the center according to the running state information and the real-time position information obtained by the vehicle data acquisition module 2, so that the reliable working state of the engineering vehicle and the vehicle-mounted equipment thereof is maintained.
As shown in fig. 1, the fuel monitoring module 1 includes a liquid level sensor and a first ADC unit, where the liquid level sensor obtains a residual fuel level signal in the fuel tank and sends the residual fuel level signal to the first ADC unit, the first ADC unit converts the residual fuel level signal into a corresponding digital quantity and sends the digital quantity to the vehicle ECU, and the vehicle ECU estimates total power of the residual fuel after obtaining the digital quantity corresponding to the residual fuel level. The liquid level sensor of the fuel detection module 1 obtains an analog quantity signal of the residual fuel height, such as an analog quantity signal of 0-5V, and after analog-digital conversion is carried out through the first ADC unit, a corresponding digital quantity is obtained, the digital quantity of the upper limit and the lower limit of the fuel height of the fuel tank is prestored in the vehicle-mounted ECU, and the actual fuel height can be obtained through the comparison of the digital quantity output by the current fuel height and the upper limit digital quantity, so that the calculation of the total power of the residual fuel is convenient to follow.
As shown in fig. 1, the vehicle data acquisition module 2 includes a voltage sensor, a gyroscope and a positioning unit, wherein the voltage sensor is used for acquiring an output voltage of the energy storage module; the gyroscope is used for acquiring acceleration of the current engineering vehicle in different preset axial directions, assuming that the advancing direction of the engineering vehicle in the initial parking position is an X axis, the side surface of the engineering vehicle in the horizontal advancing direction of the engineering vehicle in the initial parking position is a Y axis, the vertical direction is a Z axis, and the displacement and the direction of the engineering vehicle relative to the initial position can be obtained through accumulation of the acceleration of multiple axial directions and time integration, and the gyroscope can be realized by adopting a three-axis or six-axis gyroscope product; the positioning unit is used for acquiring the longitude and latitude of the current engineering vehicle and can be realized by adopting a GPS or a Beidou terminal; the output ends of the voltage sensor, the gyroscope and the positioning unit are all in communication connection with the vehicle-mounted ECU.
After the fuel monitoring module 1 and the vehicle data acquisition module 2 work respectively and send the acquired data to the vehicle-mounted ECU, the vehicle-mounted ECU requests the remote management master station for the position information of the nearest gas station according to the longitude and latitude of the current engineering vehicle acquired by the received positioning unit, and the remote management master station feeds back the distance between the current engineering vehicle position and the nearest gas station to the vehicle-mounted ECU. The distance corresponds to the fuel power P1 required by the current engineering vehicle to reach the nearest fueling station.
Further, the vehicle-mounted ECU obtains the height of the fuel reserved for charging the energy storage module according to the estimated total power of the residual fuel and the distance between the current position of the engineering vehicle and the nearest gas station, so that the total power of the residual fuel is estimated to be P by the ECU, the fuel power required by the current engineering vehicle to reach the nearest gas station is estimated to be P1, the fuel power reserved for charging the energy storage module is P2, and P=P1+P2; wherein the fuel power p1= (η1×ρ×k×d×h1×v) required for the current working vehicle to reach the nearest filling station 2 ) T1; η1 is the efficiency of the internal combustion engine 4 in converting the chemical energy of the fuel into mechanical energy; ρ is the fuel density; k is the energy contained in the fuel per unit volume; d is the cross-sectional area of the oil tank; h1 is the height of the fuel needed by the current engineering truck to reach the nearest gas station; v is the average speed of reaching the nearest gas station under the current running condition of the engineering vehicle; t1 is the time required for the current engineering survey to travel at average speed V to reach the nearest gas station, V being an ideal condition, i.e. engineering vehicle gramThe ground resistance or wind resistance is taken into consideration, and the engineering truck calculates the movement speed; ρxkxdxh1 corresponds to the energy that can be output by a fuel of cross section D and height h 1.
The fuel power reserved for charging the energy storage module is p2= (η1×η2×ρ×k×d×h2×f) 2 ) T2; η2 is the efficiency of converting mechanical energy into electrical energy for charging the energy storage module, because the internal combustion engine starts the engine first and then drives the generator to generate electricity, and the electrical energy generates heat during inversion, transmission and charging or discharging processes, so the efficiency must be considered here; h2 is the height of the fuel used for charging the energy storage module, namely the current fuel height minus the remaining quantity of the fuel needed by the current engineering vehicle to reach the nearest gas station; f is the fuel consumption per unit time of the internal combustion engine 4 in a state of charge for the energy storage module, i.e. the rate of decrease in the fuel height per unit time; t2 is the accumulated charging time of the internal combustion engine 4 working in the charging state of the energy storage module in the current monitoring period; the sum of h1 and h2 is the height of the residual fuel in the current fuel tank, and the priority of h1 is higher than h2, namely, only after the fuel height h1 required to be consumed by the fuel power required by the current engineering truck to reach the nearest fuel station is ensured, the calculation of the fuel power P2 reserved for charging the energy storage module and the height h2 of the fuel used for charging the energy storage module is performed. The fuel power P2 needs to consider the charging requirement of the monitoring period of the outdoor remote city environment, and after accounting, whether the actual requirement of the mobile engineering equipment data control management terminal is met is estimated.
The vehicle-mounted ECU also counts the daily accumulated power consumption average value of the fuel monitoring module 1, the vehicle data acquisition module 2 and the communication module 3 in a plurality of monitoring periods before the current monitoring period and the daily accumulated power consumption average value of the vehicle-mounted ECU;
wherein, average PQ1 of daily accumulated power consumption of the fuel monitoring module 1 is made; average value PQ2 of daily cumulative power consumption of the vehicle data acquisition module 2; average value PQ3 of daily cumulative power consumption of communication module 3, average value PQ4 of daily cumulative power consumption of vehicle ECU; then there is fuel power p2=nxmxm× (pq1+pq2+pq3+pq4) reserved for charging the energy storage module; n is the number of days contained in each monitoring period, and n is a positive integer; m is the capacity impairment factor of the energy storage module, and the value range of m is [0.7,1]. The average values PQ1, PQ2, PQ3 and PQ4 of the power consumption are calculated from the average power consumption of the last several monitoring periods, such as ten monitoring periods or more, and can be adjusted as needed.
The capacity impairment factor m of the energy storage module is a range value, and a certain value is needed for calculation in practical use. The lithium battery built in the energy storage module has the problem of capacity loss. The cumulative calculation of the capacity impairment is as follows:
the method comprises the steps of carrying out a first treatment on the surface of the Wherein the method comprises the steps ofNTo accumulate the number of discharge cycles; />
Is an upward rounding operation;U 100 、U 90 、U 20 andU 0 the discharge voltage corresponding to the rated capacity full, rated capacity 90%, rated capacity 20% and rated capacity depletion state of the energy storage module is respectively represented, and the discharge voltage value can be determined according to the proportion of the voltage value of the complete discharge period of the lithium battery in the factory state or can be manually specified;Ua start discharge voltage or an end discharge voltage representing a discharge state of the energy storage module between adjacent charging phases acquired by the vehicle data acquisition module 2;A、BandCthe output voltages respectively representing the discharge states of the energy storage modules acquired by the vehicle data acquisition module 2 are accumulated and passed through [ rated capacity is full, rated capacity is 90%]The number of times of the interval is corrected and accumulated to pass through (rated capacity 90%, rated capacity 20%)]Correction value of number of intervals and entry [ rated capacity 20%, capacity exhaustion ]]Correcting value of the number of times of the interval; if the initial output voltage does not pass through the corresponding rated capacity interval, the corresponding addition item in the discharging process is set to 0.
The following are illustrated: 1) When in a discharging period, the initial discharging voltage of the energy storage module is in the range of [ rated capacity is full, rated capacity is 90% ], such as 95%; the end discharge voltage is in the interval of [ rated capacity 90%, rated capacity 20% ], such as 55%; the value of the discharge conversion is A x 0.5x10% + bx0.5x70% +0;
2) When in a discharging period, the initial discharging voltage of the energy storage module is in the range of [ rated capacity is full, rated capacity is 90% ], such as 100%; the end discharge voltage is in the interval of [ rated capacity 90%, rated capacity 20% ], such as 41%; the value of the discharge conversion is A x 1 x 10% + B x 0.7 x 70% +0;
3) When in a discharging period, the initial discharging voltage of the energy storage module is in the range of [ rated capacity is full, rated capacity is 90% ], such as 100%; the end discharge voltage is in the [ rated capacity 20%, capacity exhaustion ] interval, such as 10%; the value of the discharge conversion is A×1 x 10% + B x 1 x 70% + C x 0.5 x 20%. The process of charging before each time is converted according to the above charging interval. Of course, A, B and C, which are the number correction values here, take values of 1.+ -. 0.2, which are also related to the number of accumulated cyclic discharges. The value of the correction value A is inversely related to the number of accumulated cyclic discharges, and the values of B and C are positively related to the number of accumulated cyclic discharges.
The value of capacity impairment factor m of energy storage module and accumulated discharge cycle timesNThe relation of (2) is: when the discharge cycle times are accumulatedNWhen the calculated value of (2) is within the interval (0, 100), the value of m is 1; when the discharge cycle times are accumulatedNWhen the calculated value of (2) is within the interval of [100, 300), the value of m is 0.9; when the discharge cycle times are accumulatedNWhen the calculated value of (2) is within the interval of [300, 500), the value of m is 0.8.
The vehicle-mounted ECU executes different rules according to the total energy of the current fuel after the current fuel is high:
1) When the height of the residual fuel in the fuel tank is not more than h1; the vehicle-mounted ECU wakes up the communication module 3 and sends a first alarm signal to the cab of the current engineering vehicle and the communication module 3 to indicate that the emergency state is entered, the residual fuel in the fuel tank of the engineering vehicle cannot reach the nearest fuel station, the engineering vehicle is required to stop on site and intervene in time, the communication module 3 sends the first alarm signal to the remote management master station to display the current position of the engineering vehicle, and the fuel monitoring module 1, the vehicle data acquisition module 2 and the communication module 3 all enter the shutdown state;
2) When the height of the remaining fuel in the fuel tank exceeds h1, but the height h2 of the fuel for charging the energy storage module is insufficient to support the requirement of the fuel power P2 reserved for charging the energy storage module in the current monitoring period, the vehicle-mounted ECU wakes up the communication module 3 and sends a second alarm signal to the cab of the current engineering truck and the communication module 3, and after the communication module 3 sends the second alarm signal to the remote management master station, the fuel monitoring module 1, the vehicle data acquisition module 2 or the communication module 3 partially or completely enter a dormant state; before the height h2 of the fuel oil for charging the energy storage module is exhausted, the vehicle-mounted ECU periodically prompts a driver to refuel, and the fuel tank is filled up as much as possible;
3) When the height of the remaining fuel in the fuel tank exceeds h1 and the height h2 of the fuel for charging the energy storage module meets the requirement of the fuel power P2 reserved for charging the energy storage module in the current monitoring period, the fuel monitoring module 1, the vehicle data acquisition module 2, the communication module 3 and the vehicle-mounted ECU execute preset work according to a plan, the vehicle-mounted ECU wakes the communication module 3, sends a prompt signal of sufficient fuel to the cab of the current engineering vehicle and the communication module 3, and the communication module 3 sends the prompt signal of sufficient fuel in the current monitoring period to the remote management master station. The fuel oil is sufficient in the current monitoring period, meets the monitoring requirement, and does not need to send an alarm signal. It should be noted that the above three states are not constant, but are switched following the current height of the fuel.
On the other hand, the invention also provides a method for controlling and managing engineering equipment data, which comprises the following steps:
s1: the mobile engineering equipment data control management terminal is configured on the current engineering vehicle; wherein,,
the internal combustion engine 4 is self-contained in the current engineering vehicle, can drive the engineering vehicle to move and can drive the generator in the vehicle to perform alternating current power generation, and then performs alternating current-direct current conversion through the inversion component self-contained in the energy storage module to realize the charging of the energy storage module;
the fuel monitoring module 1 is arranged at the fuel tank of the current engineering vehicle and is used for periodically acquiring the height of the residual fuel in the fuel tank;
the vehicle data acquisition module 2 is arranged on a chassis or an axle of the current engineering vehicle and is used for periodically acquiring running state information, real-time position information or output voltage of the energy storage module of the current engineering vehicle;
the communication module 3 is arranged on the current engineering truck and is used for periodically communicating with the remote management master station;
the energy storage module is respectively and electrically connected with the fuel monitoring module 1, the vehicle data acquisition module 2 and the communication module 3 and is used for storing or releasing electric energy;
the vehicle-mounted ECU is respectively in communication connection with the fuel monitoring module 1, the vehicle data acquisition module 2, the communication module 3, the energy storage module and the internal combustion engine 4, periodically wakes up the fuel monitoring module 1, the vehicle data acquisition module 2, the communication module 3, the energy storage module or the internal combustion engine 4, and guides the output power of the internal combustion engine 4 to an axle or the energy storage module of the engineering vehicle; the function of each module is as described above.
S2: the fuel monitoring module 1 periodically acquires a residual fuel level signal in a fuel tank of the current engineering vehicle, and the vehicle-mounted ECU requests the position information of the nearest gas station to the remote management master station according to the longitude and latitude of the current engineering vehicle acquired by the positioning unit, acquires the distance between the position of the current engineering vehicle and the nearest gas station, and calculates the required residual fuel level h1 in the fuel tank; and further obtains the height h2 of the fuel reserved for charging the energy storage module.
S3: the vehicle-mounted ECU also counts the daily accumulated power consumption average value of the fuel monitoring module 1, the vehicle data acquisition module 2 and the communication module 3 in a plurality of monitoring periods before the current monitoring period and the daily accumulated power consumption average value of the vehicle-mounted ECU.
An average value PQ1 of daily accumulated power consumption of the fuel monitoring module 1; average value PQ2 of daily cumulative power consumption of the vehicle data acquisition module 2; average value PQ3 of daily cumulative power consumption of communication module 3, average value PQ4 of daily cumulative power consumption of vehicle ECU; then there is fuel power p2=nxmxm× (pq1+pq2+pq3+pq4) reserved for charging the energy storage module; n is the number of days contained in each monitoring period, and n is a positive integer; m is a capacity impairment factor of the energy storage module, the value range of m is [0.7,1], and the value of m is related to the accumulated discharge cycle times of the energy storage module;
s4: the vehicle-mounted ECU judges whether the vehicle-mounted ECU can reach a gas station closest to the current engineering vehicle position according to the height of the residual fuel in the fuel tank, and further meets the fuel power requirement for charging the energy storage module in the current monitoring period, and sends out different alarm signals or prompt signals to prompt the engineering vehicle driver or the remote management master station to pay attention to the fuel liquid level change condition. The specific rules are as described above and will not be described in detail herein.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.
Claims (4)
1. The mobile engineering equipment data control management terminal is characterized by comprising
The fuel monitoring module (1) is arranged at the fuel tank of the current engineering vehicle and is used for periodically acquiring the height of the residual fuel in the fuel tank;
the vehicle data acquisition module (2) is arranged on the chassis or the axle of the current engineering vehicle and is used for periodically acquiring the running state information and the real-time position information of the current engineering vehicle;
the communication module (3) is arranged on the current engineering truck and is used for communicating with the remote management master station regularly;
the energy storage module is respectively and electrically connected with the fuel monitoring module (1), the vehicle data acquisition module (2) and the communication module (3) and is used for storing or releasing electric energy;
the output end of the internal combustion engine (4) is connected with an axle of the current engineering vehicle or the energy storage module, and the output torque drives the current engineering vehicle to run or converts mechanical energy into electric energy to charge the energy storage module;
the vehicle-mounted ECU is respectively in communication connection with the fuel monitoring module (1), the vehicle data acquisition module (2), the communication module (3), the energy storage module and the internal combustion engine (4), periodically wakes the fuel monitoring module (1), the vehicle data acquisition module (2) or the communication module (3) in a monitoring period, and guides the output power of the internal combustion engine (4) to an axle or the energy storage module of the engineering vehicle;
the fuel monitoring module (1) comprises a liquid level sensor and a first ADC unit, wherein the liquid level sensor acquires a residual fuel height signal in the fuel tank and sends the residual fuel height signal to the first ADC unit, the first ADC unit converts the residual fuel height signal into a corresponding digital quantity and sends the digital quantity to the vehicle-mounted ECU, and the vehicle-mounted ECU estimates the total power of the residual fuel after acquiring the digital quantity corresponding to the residual fuel height;
the vehicle data acquisition module (2) comprises a voltage sensor, a gyroscope and a positioning unit, wherein the voltage sensor is used for acquiring the output voltage of the energy storage module; the gyroscope is used for acquiring acceleration of the current engineering vehicle in different preset axial directions; the positioning unit is used for acquiring the longitude and latitude of the current engineering vehicle; the output ends of the voltage sensor, the gyroscope and the positioning unit are all in communication connection with the vehicle-mounted ECU;
the vehicle-mounted ECU requests the position information of the nearest gas station from the remote management master station according to the longitude and latitude of the current engineering vehicle obtained by the positioning unit, and the remote management master station feeds back the distance between the current engineering vehicle position and the nearest gas station to the vehicle-mounted ECU;
the vehicle-mounted ECU acquires the height of the fuel reserved for charging the energy storage module according to the estimated total power of the residual fuel and the distance between the current position of the engineering truck and the nearest gas station, so that the total power of the residual fuel is estimated as P by the ECU, the fuel power required by the current engineering truck to reach the nearest gas station is estimated as P1, the fuel power reserved for charging the energy storage module is P2, and P=P1+P2; wherein the fuel power p1= (η1×ρ×k×d×h1×v) required for the current working vehicle to reach the nearest filling station 2 ) T1; eta 1 is the chemical energy conversion of the fuel oil by the internal combustion engine (4)Conversion to mechanical energy efficiency; ρ is the fuel density; k is the energy contained in the fuel per unit volume; d is the cross-sectional area of the oil tank; h1 is the height of the fuel needed by the current engineering truck to reach the nearest gas station; v is the average speed of reaching the nearest gas station under the current running condition of the engineering vehicle; t1 is the time required for the current engineering survey to travel at average speed V to reach the nearest gas station; the fuel power reserved for charging the energy storage module is p2= (η1×η2×ρ×k×d×h2×f) 2 ) T2; η2 is the efficiency of the conversion of mechanical energy into electrical energy for charging the energy storage module; h2 is the height of the fuel used for charging the energy storage module; f is the fuel consumption of the internal combustion engine (4) in a state of charge of the energy storage module in unit time; t2 is the accumulated charging time of the internal combustion engine (4) working in the charging state of the energy storage module in the current monitoring period; the sum of h1 and h2 is the height of the residual fuel in the current fuel tank, and the priority of h1 is higher than h2;
the vehicle-mounted ECU also counts the average value of daily accumulated power consumption of the fuel monitoring module (1), the vehicle data acquisition module (2) and the communication module (3) in a plurality of monitoring periods before the current monitoring period and the average value of daily accumulated power consumption of the vehicle-mounted ECU;
an average value PQ1 of daily cumulative power consumption of the fuel monitoring module (1); an average value PQ2 of daily cumulative power consumption of the vehicle data acquisition module (2); average value PQ3 of daily cumulative power consumption of the communication module (3), average value PQ4 of daily cumulative power consumption of the vehicle ECU; then there is fuel power p2=nxmxm× (pq1+pq2+pq3+pq4) reserved for charging the energy storage module; n is the number of days contained in each monitoring period, and n is a positive integer; m is the capacity impairment factor of the energy storage module, and the value range of m is [0.7,1].
2. The mobile engineering equipment data control management terminal according to claim 1, wherein the calculation method of the capacity impairment factor m of the energy storage module is as follows: order the
The method comprises the steps of carrying out a first treatment on the surface of the Which is a kind ofIn (a)NTo accumulate the number of discharge cycles; />
Is an upward rounding operation;U 100 、U 90 、U 20 andU 0 respectively representing the discharge voltages corresponding to the rated capacity full, the rated capacity 90%, the rated capacity 20% and the rated capacity depletion state of the energy storage module;Ua start discharge voltage or an end discharge voltage representing a discharge state of the energy storage module between adjacent charging phases acquired by the vehicle data acquisition module (2);A、BandCoutput voltages respectively representing discharge states of the energy storage modules acquired by the vehicle data acquisition module (2) are accumulated and passed through [ rated capacity is full, rated capacity is 90%]The number of times of the interval is corrected and accumulated to pass through (rated capacity 90%, rated capacity 20%)]Correction value of number of intervals and entry [ rated capacity 20%, capacity exhaustion ]]Correcting value of the number of times of the interval; if the initial output voltage does not pass through the corresponding rated capacity interval, the corresponding addition item in the discharging process is set to 0;
when the discharge cycle times are accumulatedNWhen the calculated value of (2) is within the interval (0, 100), the value of m is 1; when the discharge cycle times are accumulatedNWhen the calculated value of (2) is within the interval of [100, 300), the value of m is 0.9; when the discharge cycle times are accumulatedNWhen the calculated value of (2) is within the interval of [300, 500), the value of m is 0.8.
3. The mobile equipment data control management terminal according to claim 1, wherein the vehicle-mounted ECU executes different rules according to the current fuel level:
1) When the height of the residual fuel in the fuel tank is not more than h1; the vehicle-mounted ECU wakes up the communication module (3) and sends a first alarm signal to the cab of the current engineering vehicle and the communication module (3) to indicate that the emergency state is entered, the residual fuel in the oil tank of the engineering vehicle cannot reach the nearest gas station, the engineering vehicle is required to stop on site and intervene in time, and after the communication module (3) sends the first alarm signal to the remote management master station, the fuel monitoring module (1), the vehicle data acquisition module (2) and the communication module (3) all enter the shutdown state;
2) When the height of the residual fuel in the fuel tank exceeds h1, but the height h2 of the fuel for charging the energy storage module is insufficient to support the requirement of the fuel power P2 reserved for charging the energy storage module in the current monitoring period, the vehicle-mounted ECU wakes up the communication module (3) and sends a second alarm signal to the cab of the current engineering truck and the communication module (3), and after the communication module (3) sends the second alarm signal to the remote management master station, the fuel monitoring module (1), the vehicle data acquisition module (2) or the communication module (3) is partially or completely put into a dormant state; before the height h2 of the fuel oil for charging the energy storage module is exhausted, the vehicle-mounted ECU periodically prompts a driver to refuel;
3) When the height of the residual fuel in the fuel tank exceeds h1, and the height h2 of the fuel for charging the energy storage module meets the requirement of the fuel power P2 for charging the energy storage module in the current monitoring period, the fuel monitoring module (1), the vehicle data acquisition module (2), the communication module (3) and the vehicle ECU execute scheduled work according to a plan, the vehicle ECU wakes the communication module (3) to send a prompt signal of sufficient fuel to the cab of the current engineering vehicle and the communication module (3), and the communication module (3) sends the prompt signal of sufficient fuel in the current monitoring period to the remote management master station.
4. The mobile engineering equipment data control management method is characterized by comprising the following steps:
s1: configuring the mobile engineering equipment data control management terminal according to any one of claims 1-3 on a current engineering vehicle;
s2: the fuel monitoring module (1) periodically acquires a residual fuel level signal in a fuel tank of the current engineering vehicle, and the vehicle-mounted ECU requests the position information of the nearest gas station to the remote management master station according to the longitude and latitude of the current engineering vehicle acquired by the positioning unit, acquires the distance between the position of the current engineering vehicle and the nearest gas station, and calculates the required residual fuel level h1 in the fuel tank; further acquiring the height h2 of the fuel reserved for charging the energy storage module;
s3: the vehicle-mounted ECU also counts the daily accumulated power consumption average value of the fuel monitoring module (1), the vehicle data acquisition module (2) and the communication module (3) in a plurality of monitoring periods before the current monitoring period and the daily accumulated power consumption average value of the vehicle-mounted ECU;
an average value PQ1 of daily cumulative power consumption of the fuel monitoring module (1); an average value PQ2 of daily cumulative power consumption of the vehicle data acquisition module (2); average value PQ3 of daily cumulative power consumption of the communication module (3), average value PQ4 of daily cumulative power consumption of the vehicle ECU; then there is fuel power p2=nxmxm× (pq1+pq2+pq3+pq4) reserved for charging the energy storage module; n is the number of days contained in each monitoring period, and n is a positive integer; m is a capacity impairment factor of the energy storage module, the value range of m is [0.7,1], and the value of m is related to the accumulated discharge cycle times of the energy storage module;
s4: the vehicle-mounted ECU judges whether the vehicle-mounted ECU can reach a gas station closest to the current engineering vehicle position according to the height of the residual fuel in the fuel tank, and further meets the fuel power requirement for charging the energy storage module in the current monitoring period, and sends out different alarm signals or prompt signals to prompt the engineering vehicle driver or the remote management master station to pay attention to the fuel liquid level change condition.
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| US7946275B2 (en) * | 2008-07-30 | 2011-05-24 | GM Global Technology Operations LLC | Extending variable displacement operation through spark knock control |
| CN102052946B (en) * | 2009-11-03 | 2012-07-18 | 苏州工业园区易辰电子系统有限公司 | Supervision method for fuel oil for vehicles |
| CN204228219U (en) * | 2014-12-16 | 2015-03-25 | 山推工程机械股份有限公司 | A kind of engineering truck oil tank fuel monitoring device |
| CN204489196U (en) * | 2015-02-12 | 2015-07-22 | 深圳大学 | The many rotor wing unmanned aerial vehicles of a kind of fuels and energy |
| CN204854848U (en) * | 2015-07-03 | 2015-12-09 | 西京学院 | Internal -combustion engine fuel monitoring system |
| CN109540235A (en) * | 2018-12-11 | 2019-03-29 | 中联重科股份有限公司 | Fuel management monitoring system and monitoring method of vehicle and agricultural vehicle |
| CN112406751A (en) * | 2020-11-27 | 2021-02-26 | 马鞍山采倪汽车科技有限公司 | Vehicle-mounted fuel management system |
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