CN102042654A - Control device of automotive air conditioning electrical equipment and using method thereof - Google Patents
Control device of automotive air conditioning electrical equipment and using method thereof Download PDFInfo
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- CN102042654A CN102042654A CN 200910197126 CN200910197126A CN102042654A CN 102042654 A CN102042654 A CN 102042654A CN 200910197126 CN200910197126 CN 200910197126 CN 200910197126 A CN200910197126 A CN 200910197126A CN 102042654 A CN102042654 A CN 102042654A
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- 238000004378 air conditioning Methods 0.000 title claims abstract description 40
- 238000000034 method Methods 0.000 title claims abstract description 26
- 230000000295 complement effect Effects 0.000 claims description 3
- 230000002457 bidirectional effect Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 6
- 238000013461 design Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
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- 238000012360 testing method Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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Abstract
The invention discloses a control device of automotive air conditioning electrical equipment and a using method thereof. The control device comprises a control box, a bus card and a control unit; the control box comprises a mother board, a bus board and at least one functional plugboard; the bus board is arranged on the mother board; the bus board comprises a data bus and a control bus; the data bus and the control bus are respectively connected with the mother board and the functional plugboard; the bus card is respectively connected with the bus board and the control unit, the bus board and the control unit exchange data through the bus card in bothway; the functional plugboard is connected with and controls at least one electrical equipment, and the control unit controls the electrical equipment by the functional plugboard so as to judge whether the electrical equipment normally works or not. The control device can drive the air conditioning electrical equipment away from the environment of the whole car, and can set parameters flexibly toachieve the purpose of meeting the requirement of different car types.
Description
Technical field
The present invention relates to a kind of electric apparatus control apparatus, relate in particular to a kind of control device and using method thereof that can break away from the air conditioning for automobiles electrical part of car load environment.
Background technology
Air conditioning appliance spare comprises air blast and air blast adjuster, servomotor, sensor, drives these electrical parts, must use the air-conditioning control head.And along with the continuous development of automotive engineering, car load more and more uses CAN BUS to carry out the data transmission of each device, even if control head is arranged, also must could drive under the car load environment.For system development, be not easy to test and simulation.
The control mode of traditional air conditioning appliance spare has two kinds, one is small-sized controller, this small-sized controller, can only simply control single air conditioning appliance spare, perhaps can only use on single project, can not require to carry out the configuration of parameter according to difference, such as the control of DC device that uses at present, be to inspire confidence in the feedback voltage value that project has been determined each motor, so motor can only run to this feedback voltage value, such as the motor of each air-out pattern of control according to sieve, the feedback voltage value of different pattern correspondences inspires confidence in the design of project according to sieve, in original control box, determined, had uniqueness, as change a project, the feedback voltage value of each air-out pattern correspondence is different, just can't regulate, and this control box can arbitrarily be provided with corresponding feedback voltage value according to the requirement of different air-out patterns on the host computer interface.The second way is controlled for using the Air-Conditioning Control Panel on the real vehicle, because car load all uses CAN BUS to carry out transfer of data at present, therefore can't break away from bad border of car load when using control head to regulate, thereby can't carry out electrical part control.Such as, when using automatic air condition, controller turns to according to the real-time change temperature air door of the situation meeting of vehicle interior temperature, the collection of vehicle interior temperature is transmitted by the CAN bus again, the temperature air door is by the control of temperature servomotor, and behind the disengaging car load environment, temperature data can't be transferred to controller, lack these data, controller can't allow the work of temperature servomotor.And this control box can break away from these limiting factors, thereby reaches the function of driving.
In view of this, those skilled in the art is devoted to develop and a kind ofly can drives air conditioning appliance spare under the car load environment breaking away from, and parameter is set flexibly, satisfies the air conditioning for automobiles control device and the using method thereof of different automobile types needs.
Summary of the invention
Because the above-mentioned defective of prior art, technical problem to be solved by this invention provides a kind of control device and using method thereof of air conditioning for automobiles electrical part, can parameter be set flexibly, to reach the purpose that satisfies the different automobile types needs breaking away from driving air conditioning appliance spare under the car load environment.
For achieving the above object, the invention provides a kind of control device of air conditioning for automobiles electrical part, comprise a control box, a bus card and a control module; Described control box comprises a motherboard, a bus board and at least one function plate; Described motherboard is provided with microcontroller, be used to discern the joint location of described function plate and handle described bus board and described function plate on signal; Described bus board is arranged on the described motherboard; Described bus board comprises data/address bus and control bus; Described data/address bus links to each other with described function plate with described motherboard respectively with described control bus; Described bus card connects described bus board and described control module respectively, and described bus board and described control module carry out bidirectional data exchange by described bus card; Described function plate connects also controls at least one described electrical part, and described control module is controlled described electrical part by described function plate according to the joint location of described function plate, to judge whether operate as normal of described electrical part.
Further, described bus card is the CAN bus card.
Further, described bus board also comprises the power supply input.
Further, at least one panel of described control box is provided with a power supply indicator, a bus board joint and at least one function plate joint; Described power supply indicator connects described bus board, and the quantity of described function plate joint is complementary with described function plate and is connected respectively.
Further, described bus board joint is the female joint, and described function plate joint is the male joint.
Further, described function plate is arranged on the described motherboard.
Further, described control box also comprises at least one expansion motherboard, and described expansion motherboard is inserted on the described motherboard by the expansion board slot on the described motherboard, and described function plate is arranged on the described expansion motherboard.
Further, described electrical part comprises air blast, servo, stepper motor and temperature sensor, and separate connection one function plate is used for independent each device of control respectively.
The present invention also provides a kind of using method of control device of air conditioning for automobiles electrical part, comprises the steps:
1) described control module is provided with the operational factor of described electrical part;
2) described control module sends action command to described electrical part by described bus card, controls described electrical part running.
Further, described electrical part is a temperature sensor, and described function plate is the analog acquisition plate, and described analog acquisition plate is gathered the resistance of described temperature sensor, whether judges resistance in normal range (NR), as resistance in normal range (NR), temperature sensor operate as normal then; As resistance is zero, the temperature sensor short circuit; As the resistance infinity, then temperature sensor opens circuit.
Further, described electrical part is to be with potentiometric servomotor, and described function plate is the control panel with potentiometric servomotor, said method comprising the steps of: determine motor positive and inverse; The feedback voltage value that need reach is set; Execution command; Whether judge electric current greater than locked rotor current, if, then promptly stop, if not, motor rotation then; Show actual feedback magnitude of voltage/current value.
Further, described electrical part is the DC servo motor of contact-carrying, and described function plate is the control panel of the servomotor of contact-carrying, said method comprising the steps of: the contact of determining each point position correspondence; Click needed contact signal button; Whether judge electric current greater than locked rotor current, if, promptly stop, if not, the motor operation.
Further, described electrical part is air blast and adjuster, and described function plate is the control panel of air blast and adjuster, is linear voltage control as the air blast adjuster, said method comprising the steps of: input voltage value is set; The input value operation; The air blast running; Obtain air blast feedback voltage value.
Further, described electrical part is air blast and adjuster, and described function plate is the control panel of air blast and adjuster, is PWM control as the air blast adjuster, said method comprising the steps of: the PWM frequency is set; The PWM value is set; The input value operation; The air blast running.
In summary, a kind of air conditioning for automobiles control device of the present invention and using method thereof can be provided with parameter flexibly breaking away from driving air conditioning appliance spare under the car load environment, have reached the purpose that satisfies the different automobile types needs.
Be described further below with reference to the technique effect of accompanying drawing, to understand purpose of the present invention, feature and effect fully design of the present invention, concrete structure and generation.
Description of drawings
Fig. 1 is the structural representation of the control device of air conditioning for automobiles electrical part of the present invention;
Fig. 2 is the structural representation of motherboard in the embodiments of the invention;
Fig. 3 is the structural representation of expansion motherboard in the embodiments of the invention;
Fig. 4 is the structural representation of another expansion motherboard in the embodiments of the invention;
Fig. 5 is the structural representation of the panel of air conditioning for automobiles control device of the present invention;
Fig. 6 is the control principle figure of the function plate of band potentiometer servomotor in the embodiments of the invention;
Fig. 7 is the control principle figure of function plate of the DC servo motor of contact-carrying in the embodiments of the invention;
Fig. 8 is the control principle figure of the function plate of air blast adjuster among the present invention;
Fig. 9 is the workflow diagram of the control device of air conditioning for automobiles electrical part among the present invention;
Figure 10 is with the workflow diagram of the function plate of potentiometric DC servo motor among the present invention;
Figure 11 is the workflow diagram of function plate of the DC servo motor of contact-carrying among the present invention;
Figure 12 is the workflow diagram of the function plate of temperature sensor among the present invention;
Figure 13 is the workflow diagram of the PWM control of the function plate of air blast and adjuster among the present invention;
Figure 14 is the workflow diagram of the Linear Control of the function plate of air blast and adjuster among the present invention.
The specific embodiment
Specify four kinds of specific embodiments of the present invention below by accompanying drawing 1～14.
As Fig. 1～shown in Figure 5, the control device of a kind of air conditioning for automobiles electrical part of the present invention, external 12V working power comprises a control box 10, one bus cards 11 and a control module 12.Bus card 11 connects control box 10 and control module 12 respectively, and control box 10 and control module 12 are by bus card 11 two-way exchange data.Bus card 11 can be CAN bus card or other industrial-controlled general line cards.
Referring to Fig. 2, in the present embodiment, control box 10 comprises a motherboard 4 and a bus board 1, and is arranged on two function plates 3 on the motherboard 4.Bus board 1 and function plate 3 are spirally connected fixing by plurality of fixed bolt 5 and motherboard 4.
Motherboard 4 is provided with microcontroller (MCU), to be used to discern the joint location of described function plate and the signal of processing capacity plate 3 and bus board 1.(P1～P8), control module 12 shows the control interface of different function plate 3 correspondences to the joint location of MCU recognition function plate 3 according to the joint location of function plate 3.For example joint P1 connects the function plate of control DC servo motor, and then control module 12 shows the control interface of DC servo motor.
Motherboard 4 is provided with some expansion board slots 7 for expansion usefulness.In the present embodiment, control box 10 also comprises two expansion motherboards 9, and expansion motherboard 9 is inserted on the motherboard 4 by the expansion board slot 7 on the motherboard 4, on expansion motherboard 9 shown in Figure 3, is provided with three function plates 3.On expansion motherboard 9 shown in Figure 4, be provided with two function plates 3.
On each function plate 3, all be provided with expansion slot 6, be used for follow-up function plate 3 being expanded.
Referring to Fig. 5, a panel of control box 10 is provided with a power supply indicator 13, two current acquisition joints 14, a bus board joint P0 and seven function plate joint P1～P8.Power supply indicator 13 connects bus board 1, and the quantity of function plate joint is complementary with the quantity of function plate 3 and is connected respectively.Bus board joint P0 is the female joint, and other function plate joint is the male joint.Bus board joint and all functions plate joint all are the DB25 joints, and the putting in order as shown in the figure of DB25 joint is for from right to left, from top to bottom.
Control module 12 runs on the personal computer, and control module 12 is realized different interface requirements by the Labview programming.According to the different function plate in the control box of packing into, control module 12 shows corresponding with it interface.Such as, comprise the function plate that connects and control a temperature sensor in the control box, on the control module 12 with regard to the control interface of displays temperature sensor; Comprise the function plate that connects and control a DC servo motor in the control box, just show the control interface of DC servo motor on the control module 12.
The using method of the control device of air conditioning for automobiles electrical part of the present invention as shown in Figure 9, comprises the steps:
1) control module is provided with the operational factor of air conditioning appliance spare;
2) control module sends action command to air conditioning appliance spare by bus card, the running of control air conditioning appliance spare.
In the present embodiment, function plate 3 connections are also controlled one and are with potentiometric DC servo motor.During use, with the parameter inputting interface that needs are provided with, after control box was handled these parameters, the motor operation showed relevant parameter, obtains the result that the user needs.
The control principle of the function plate of the band potentiometer servomotor that uses in the present embodiment as shown in Figure 6, motor rotates, drive brush by travelling gear, potentiometer on the brush contact circuit plate, by Q1, Q2, Q3, Q4 forms the H bridge, and MCU-C1 and MCU-C2 are respectively 10 or at 01 o'clock, the rotating of control motor.Resistance R 1 is used as current acquisition, and the signal that collects is used for the control of motor.
As shown in figure 10, the workflow of the function plate of band potentiometer servomotor is as follows: determine motor positive and inverse; The feedback voltage value that need reach is set; Execution command; Whether judge electric current greater than locked rotor current, if, promptly stop, if not, motor rotation; Show actual feedback magnitude of voltage/current value.
Embodiment 2
In the present embodiment, a function plate 3 connects and controls the DC servo motor of a contact-carrying.During use, with the parameter inputting interface that needs are provided with, after control box was handled these parameters, the motor operation showed relevant parameter, obtains the result that the user needs.
The control principle of the function plate of the DC servo motor of the contact-carrying that uses in the present embodiment as shown in Figure 7, resistance R 1 is used as current acquisition, the signal that collects is used for the control of motor.
As shown in figure 11, the workflow of the function plate of the DC servo motor of contact-carrying is as follows: the contact of determining each point position correspondence; Click needed contact signal button; Whether judge electric current greater than locked rotor current, if, promptly stop, if not, the motor operation.
In the present embodiment, function plate 3 connections are also controlled a temperature sensor, and this function plate 3 is analog acquisition plates.As shown in figure 12, the analog acquisition plate is gathered this temperature sensor resistance, and the duty of judging temperature sensor thus is an operate as normal, or short circuit or open circuit.Its step is as follows:
1) collecting temperature resistance of sensor;
2) whether judge resistance in normal range (NR), if disconnected resistance whether in normal range (NR), as resistance in normal range (NR), temperature sensor operate as normal then; As resistance is zero, the temperature sensor short circuit; As the resistance infinity, then temperature sensor opens circuit.
In the present embodiment, function plate 3 connections are also controlled an air blast adjuster.The air blast adjuster is for regulating a device of each grade of air blast air quantity, its control principle as shown in Figure 8, the air blast adjuster is divided into PWM control or linear voltage control.Give the air blast adjuster when control box output regulation signal (PWM value or magnitude of voltage), adjuster inputs to air blast after amplifying, thereby regulates air quantity.
When the air blast adjuster is PWM when control, described expansion motherboard 9 is the pulse width modulation plate, is connected by winding displacement between described pulse width modulation plate and the described motherboard 4.The workflow of its function plate 3 is as shown in figure 13: the PWM frequency is set; The PWM value is set, and its required precision is 0.01%; The input value operation; The air blast operation.
When the air blast adjuster is linear voltage when control, the required precision 0.01V of its Linear Control, the workflow of its function plate 3 as shown in figure 14: input voltage value is set; The input value operation; The air blast running; Obtain air blast feedback voltage value.
In summary, the control device of a kind of air conditioning for automobiles electrical part of the present invention and using method thereof can be provided with parameter flexibly breaking away from driving air conditioning appliance spare under the car load environment, have reached the purpose that satisfies the different automobile types needs.
More than describe preferred embodiment of the present invention in detail.The ordinary skill that should be appreciated that this area need not creative work and just can design according to the present invention make many modifications and variations.For example, the present invention is not limited to servomotor, also can be stepper motor.The control device of air conditioning for automobiles electrical part of the present invention and using method thereof are applicable to all air conditioning for automobiles electrical parts.Therefore, all technical staff in the art all should be in claim protection domain of the present invention under this invention's idea on the basis of existing technology by the available technical scheme of logical analysis, reasoning, or a limited experiment.
Claims (14)
1. the control device of an air conditioning for automobiles electrical part is characterized in that: comprise a control box, a bus card and a control module;
Described control box comprises a motherboard, a bus board and at least one function plate;
Described motherboard is provided with microcontroller, be used to discern the joint location of described function plate and handle described bus board and described function plate on signal;
Described bus board is arranged on the described motherboard; Described bus board comprises data/address bus and control bus; Described data/address bus links to each other with described function plate with described motherboard respectively with described control bus;
Described bus card connects described bus board and described control module respectively, and described bus board and described control module carry out bidirectional data exchange by described bus card;
Described function plate connects also controls at least one described electrical part, and described control module is controlled described electrical part by described function plate according to the joint location of described function plate, to judge whether operate as normal of described electrical part.
2. control device as claimed in claim 1 is characterized in that: described bus card is the CAN bus card.
3. control device as claimed in claim 1 is characterized in that: described bus board also comprises the power supply input.
4. control device as claimed in claim 1 is characterized in that: at least one panel of described control box is provided with a power supply indicator, a bus board joint and at least one function plate joint; Described power supply indicator connects described bus board, and the quantity of described function plate joint is complementary with described function plate and is connected respectively.
5. control device as claimed in claim 4 is characterized in that: described bus board joint is the female joint, and described function plate joint is the male joint.
6. control device as claimed in claim 1 is characterized in that: described function plate is arranged on the described motherboard.
7. control device as claimed in claim 1 is characterized in that: described control box also comprises at least one expansion motherboard, and described expansion motherboard is inserted on the described motherboard by the expansion board slot on the described motherboard, and described function plate is arranged on the described expansion motherboard.
8. control device as claimed in claim 1 is characterized in that: described electrical part comprises air blast, servo, stepper motor and temperature sensor, and separate connection one function plate is used for independent each device of control respectively.
9. the using method of the control device of an air conditioning for automobiles electrical part adopts as air conditioning for automobiles control device as described in the claim 1 to 8 any, it is characterized in that: comprise the steps:
1) described control module is provided with the operational factor of described electrical part;
2) described control module sends action command to described electrical part by described bus card, controls described electrical part running.
10. using method as claimed in claim 9, it is characterized in that: described electrical part is a temperature sensor, described function plate is the analog acquisition plate, described analog acquisition plate is gathered the resistance of described temperature sensor, judge that whether resistance is in normal range (NR), as resistance in normal range (NR), temperature sensor operate as normal then; As resistance is zero, the temperature sensor short circuit; As the resistance infinity, then temperature sensor opens circuit.
11. using method as claimed in claim 9 is characterized in that: described electrical part is to be with potentiometric servomotor, and described function plate is the control panel with potentiometric servomotor, said method comprising the steps of: determine motor positive and inverse; The feedback voltage value that need reach is set; Execution command; Whether judge electric current greater than locked rotor current, if, then promptly stop, if not, motor rotation then; Show actual feedback magnitude of voltage/current value.
12. using method as claimed in claim 9 is characterized in that: described electrical part is the DC servo motor of contact-carrying, and described function plate is the control panel of the servomotor of contact-carrying, said method comprising the steps of: the contact of determining each point position correspondence; Click needed contact signal button; Whether judge electric current greater than locked rotor current, if, promptly stop, if not, the motor operation.
13. using method as claimed in claim 9, it is characterized in that: described electrical part is air blast and adjuster, described function plate is the control panel of air blast and adjuster, is linear voltage control as the air blast adjuster, said method comprising the steps of: input voltage value is set; The input value operation; The air blast running; Obtain air blast feedback voltage value.
14. using method as claimed in claim 9, it is characterized in that: described electrical part is air blast and adjuster, described function plate is the control panel of air blast and adjuster, is PWM control as the air blast adjuster, said method comprising the steps of: the PWM frequency is set; The PWM value is set; The input value operation; The air blast running.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910197126 CN102042654B (en) | 2009-10-13 | 2009-10-13 | Control device of automotive air conditioning electrical equipment and using method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910197126 CN102042654B (en) | 2009-10-13 | 2009-10-13 | Control device of automotive air conditioning electrical equipment and using method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102042654A true CN102042654A (en) | 2011-05-04 |
| CN102042654B CN102042654B (en) | 2013-03-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200910197126 Expired - Fee Related CN102042654B (en) | 2009-10-13 | 2009-10-13 | Control device of automotive air conditioning electrical equipment and using method thereof |
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| CN (1) | CN102042654B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105607612A (en) * | 2014-11-25 | 2016-05-25 | 东风贝洱热系统有限公司 | Automobile air conditioner electrical part joint debugging test board |
-
2009
- 2009-10-13 CN CN 200910197126 patent/CN102042654B/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105607612A (en) * | 2014-11-25 | 2016-05-25 | 东风贝洱热系统有限公司 | Automobile air conditioner electrical part joint debugging test board |
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| Publication number | Publication date |
|---|---|
| CN102042654B (en) | 2013-03-06 |
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