CN118149943A - Truck loading measurement control method - Google Patents

Abstract

The invention discloses a control method for truck loading measurement, which is used for detecting and recording the loading dead weight of a whole truck in an off-line mode, and calculating the corresponding loading quality according to the numerical value change of an angle sensor caused by loading the whole truck and outputting the total quality of the whole truck by additionally installing the angle sensor and calibrating an initial weight 0 point of the whole truck. In addition, the whole car off-line weighing mode can be suitable for relevant detection links before delivery, and the test value is stored in the whole car control unit and can be used as whole car delivery information to provide reference for subsequent practical application. Furthermore, the loading measurement mode can be used for fleet management, and the transportation efficiency of the fleet can be conveniently counted according to the respective loading detection of the trucks. The invention realizes the function of feeding back the weight of the loaded goods in real time, does not need to carry out the weighing of the wagon in a complicated way, greatly improves the convenience of weighing the wagon, and also adapts to the problems of wagon balance arrangement and unbalanced number of vehicles.

Description

Truck loading measurement control method

Technical Field

The invention relates to the technical field of truck control, in particular to a truck loading measurement control method.

Background

Each truck is configured according to different vehicle types, the dead weight of the whole truck is inconsistent, and the loading weight of the whole truck is difficult to accurately measure in real time in the loading process of the truck. However, according to the relevant regulations of road overload limitation, the vehicle has to measure the weight of the whole vehicle on a special wagon balance after loading cargoes, but the number of the special wagon balance is difficult to match with the number of vehicles to be tested, and in practical application, a plurality of associated problems and inconveniences are caused by the fact that the special wagon balance is insufficient to match with the number of vehicles to be tested.

The present situation is that the existing truck can perform corresponding dead weight detection and load test when the whole truck leaves the factory, but the test data cannot be comprehensively recorded on the truck when the whole truck leaves the factory, and in the process of actually loading the cargoes, in order to avoid overload violation conditions when the whole truck passes through a highway and a bridge, the truck must weigh after loading the cargoes each time, on one hand, the weighing needs to be repeated each time the cargoes are loaded, and the convenience is poor; on the other hand, the special wagon balance configuration in partial areas is insufficient, and accurate and reliable weighing requirements are difficult to achieve.

Disclosure of Invention

In view of the foregoing, the present invention is directed to a truck loading measurement control method, so as to solve the aforementioned technical problems.

The technical scheme adopted by the invention is as follows:

the invention provides a truck loading measurement control method, which comprises the following steps:

a gradient sensor is configured on a vehicle in advance, and a 0 point of the whole vehicle mass is calibrated for the gradient sensor when the vehicle is off line;

storing the mass 0 point of the whole vehicle to an electric control unit on the whole vehicle;

after the whole vehicle is electrified, monitoring the feedback signal of the gradient sensor in real time;

when the change of the posture angle of the whole vehicle fed back by the gradient sensor is monitored, the total weight of the whole vehicle under the current angle is obtained and output.

In at least one possible implementation manner, the control method further includes:

when detecting the dynamic change of the feedback signal of the gradient sensor, detecting the duration time of the attitude angle of the whole vehicle;

and only when the duration time is more than or equal to the preset duration time, calculating the total weight of the whole vehicle under the current angle.

In at least one possible implementation manner, the calibrating the whole vehicle mass 0 point includes: after the vehicle is off line and idle dead weight detection is completed, the initial 0 point of the gradient sensor is calibrated on a straight road surface and is used as a reference point under the current dead weight condition of the vehicle.

In at least one possible implementation, a gradient sensor for monitoring the attitude angle of the entire truck in real time is mounted on the frame of the truck.

In at least one possible implementation, the outputting includes: and sending the calculation result of the total weight of the whole vehicle into a bus network in a CAN message form, and displaying the CAN message in real time after receiving the CAN message by display equipment on the vehicle.

In at least one possible implementation manner, the calculation manner for obtaining the total weight of the whole vehicle under the current angle includes: m=f/(sinθ×g);

Wherein M is mass, F is driving force, g is gravitational acceleration, and θ is the current vehicle attitude angle.

Compared with the prior art, the invention has the main design concept that the loading dead weight of the whole vehicle is detected and recorded for the off-line of the whole vehicle, the initial weight 0 point of the whole vehicle is calibrated by additionally installing the angle sensor, the corresponding loading quality is calculated according to the numerical value change of the angle sensor caused by loading the whole vehicle, and the total quality of the whole vehicle can be output through an instrument or a vehicle-mounted display screen and the like. The method for weighing the whole vehicle offline is not limited to the actual use stage, is applicable to relevant detection links before delivery, and can be used for storing test values into an engine ECU or a whole vehicle VCU as delivery information of the whole vehicle to provide references for subsequent actual application. In addition, the loading measurement mode provided by the invention can be further expanded for fleet management, and the transportation efficiency of the fleet, such as hundred kilometers of fuel consumption of unit-mass cargoes, can be conveniently counted according to the respective loading detection of a plurality of trucks. The invention realizes the function of feeding back the weight of the loaded goods in real time, does not need to carry out weighing by the wagon balance in a complicated way, greatly improves the convenience of weighing the wagon, and also adapts to the problems of unbalanced arrangement of the special wagon balance and the number of vehicles to be weighed.

Drawings

For the purpose of making the objects, technical solutions and advantages of the present invention more apparent, the present invention will be further described with reference to the accompanying drawings, in which:

Fig. 1 is a flow chart of a wagon load measurement control method according to an embodiment of the present invention.

Detailed Description

Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the invention.

The invention provides an embodiment of a truck loading measurement control method, specifically, as shown in fig. 1, comprising:

Step S1, configuring a gradient sensor in a vehicle in advance, and calibrating a whole vehicle mass 0 point for the gradient sensor when the vehicle is off line;

In particular, it is preferable to equip the truck frame with a slope sensor for monitoring the attitude angle of the whole truck in real time, and to complete the empty weight detection after the vehicle comes off-line from the production line, and to "learn" said slope sensor to the initial mass 0 point on a flat road surface, where it is noted that this initial 0 point has no effect on the state of the whole truck initial mass itself, the initial 0 point records a reference point under the current vehicle weight condition, and it is understood that the above-mentioned 0 point states of the different vehicles need not be identical. In addition, in the case of the optical fiber,

S2, storing the mass 0 point of the whole vehicle to an electric control unit on the whole vehicle;

Step S3, after the whole vehicle is electrified, monitoring the feedback signal of the gradient sensor in real time;

and S4, when the change of the posture angle of the whole vehicle fed back by the gradient sensor is detected, the total weight of the whole vehicle under the current angle is obtained and output.

When the dynamic change of the signal of the gradient sensor, namely the change of the angle of the attitude angle of the whole vehicle is detected, and the optimized duration time is more than or equal to 5s, the total weight of the whole vehicle after loading the goods under the current angle CAN be calculated by the engine ECU or the VCU of the whole vehicle of the electric vehicle (the weight of the loaded goods CAN be obtained by subtracting the dead weight given by factory from the total weight of the whole vehicle), the calculated result is sent to a bus network in the form of CAN message, and the total weight of the whole vehicle CAN be displayed in real time after the message is received by an instrument or display device.

The reason that the maintenance time is required to be considered when the posture angle of the whole vehicle is considered to be changed is that miscalculations caused by road surface jolt of the whole vehicle can be effectively avoided under the driving working condition of the whole vehicle, namely, when the dynamic change of the signal of the gradient sensor is detected, but the duration of the angle change of the posture angle of the whole vehicle is less than 5s, the engine ECU or the VCU of the whole vehicle of the electric vehicle does not participate in the weight calculation process.

Finally, it may be noted that the above-mentioned calculation manners of the vehicle posture angle and the weight generated by combining the gradient change in the foregoing embodiments may refer to the following formulas:

M＝F/(sinθ*g)

wherein M is mass (vehicle weight), F is driving force (known quantity can be calculated by a transmission system), g is gravitational acceleration, and θ is the current vehicle attitude angle.

In summary, the main design concept of the invention is to detect and record the loading dead weight of the whole vehicle off line, and calculate the corresponding loading quality according to the value change of the angle sensor caused by loading the whole vehicle by additionally installing the angle sensor and calibrating the initial weight 0 point of the whole vehicle, and output the total quality of the whole vehicle through an instrument or a vehicle-mounted display screen. The method for weighing the whole vehicle offline is not limited to the actual use stage, is applicable to relevant detection links before delivery, and can be used for storing test values into an engine ECU or a whole vehicle VCU as delivery information of the whole vehicle to provide references for subsequent actual application. In addition, the loading measurement mode provided by the invention can be further expanded for fleet management, and the transportation efficiency of the fleet, such as hundred kilometers of fuel consumption of unit-mass cargoes, can be conveniently counted according to the respective loading detection of a plurality of trucks. The invention realizes the function of feeding back the weight of the loaded goods in real time, does not need to carry out weighing by the wagon balance in a complicated way, greatly improves the convenience of weighing the wagon, and also adapts to the problems of unbalanced arrangement of the special wagon balance and the number of vehicles to be weighed.

In embodiments of the present invention, when reference is made to a phrase that expresses an orientation, it is based on the relative concepts of the embodiments, with the proviso that "at least one" means one or more, and "a plurality" means two or more. "and/or", describes an association relation of association objects, and indicates that there may be three kinds of relations, for example, a and/or B, and may indicate that a alone exists, a and B together, and B alone exists. Wherein A, B may be singular or plural. The character "/" generally indicates that the context-dependent object is an "or" relationship. "at least one of the following" and the like means any combination of these items, including any combination of single or plural items. For example, at least one of a, b and c may represent: a, b, c, a and b, a and c, b and c or a and b and c, wherein a, b and c can be single or multiple.

The construction, features and effects of the present invention are described in detail according to the embodiments shown in the drawings, but the above is only a preferred embodiment of the present invention, and it should be understood that the technical features of the above embodiment and the preferred mode thereof can be reasonably combined and matched into various equivalent schemes by those skilled in the art without departing from or changing the design concept and technical effects of the present invention; therefore, the invention is not limited to the embodiments shown in the drawings, but is intended to be within the scope of the invention as long as changes made in the concept of the invention or modifications to the equivalent embodiments do not depart from the spirit of the invention as covered by the specification and drawings.

Claims (6)

1. A truck loading measurement control method, comprising:

a gradient sensor is configured on a vehicle in advance, and a 0 point of the whole vehicle mass is calibrated for the gradient sensor when the vehicle is off line;

storing the mass 0 point of the whole vehicle to an electric control unit on the whole vehicle;

after the whole vehicle is electrified, monitoring the feedback signal of the gradient sensor in real time;

when the change of the posture angle of the whole vehicle fed back by the gradient sensor is monitored, the total weight of the whole vehicle under the current angle is obtained and output.

2. The truck loading measurement control method according to claim 1, characterized in that the control method further comprises:

when detecting the dynamic change of the feedback signal of the gradient sensor, detecting the duration time of the attitude angle of the whole vehicle;

and only when the duration time is more than or equal to the preset duration time, calculating the total weight of the whole vehicle under the current angle.

3. The truck loading measurement control method according to claim 1, wherein calibrating the whole vehicle mass 0 point comprises: after the vehicle is off line and idle dead weight detection is completed, the initial 0 point of the gradient sensor is calibrated on a straight road surface and is used as a reference point under the current dead weight condition of the vehicle.

4. The truck loading measurement control method according to claim 1, characterized in that a gradient sensor for monitoring the attitude angle of the whole truck in real time is mounted at the frame of the truck.

5. The truck loading measurement control method according to claim 1, wherein said outputting comprises: and sending the calculation result of the total weight of the whole vehicle into a bus network in a CAN message form, and displaying the CAN message in real time after receiving the CAN message by display equipment on the vehicle.

6. The truck loading measurement control method according to any one of claims 1 to 5, wherein the calculation method for obtaining the total weight of the entire truck at the current angle includes:

M＝F/(sinθ*g)

Wherein M is mass, F is driving force, g is gravitational acceleration, and θ is the current vehicle attitude angle.