CN202904369U - Test apparatus for automobile air-conditioning controller - Google Patents
Test apparatus for automobile air-conditioning controller Download PDFInfo
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- CN202904369U CN202904369U CN 201220432553 CN201220432553U CN202904369U CN 202904369 U CN202904369 U CN 202904369U CN 201220432553 CN201220432553 CN 201220432553 CN 201220432553 U CN201220432553 U CN 201220432553U CN 202904369 U CN202904369 U CN 202904369U
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Abstract
The utility model relates to the related technical field of test equipment, especially to a test apparatus for an automobile air-conditioning controller. The test apparatus comprises a test panel and a general box body which are mutually independent. The general box body comprises a plurality of input-output channels, a load input channel, a pulse width modulation signal generation circuit and a communication channel. The test panel is provided with a plurality of test pins, a load, a pulse width modulation signal control device and a communication interface. When the test panel and the general box body are combined into one piece, input terminals of the input-output channels are electrically connected with the test pins. An input terminal of the load input channel is electrically connected with the load. The pulse width modulation signal control device is electrically connected with a control terminal of the pulse width modulation signal generation circuit. The communication interface is electrically connected with an input terminal of the communication channel. The test apparatus is separated, different test panels are only needed to be manufactured for different projects, and thus test cost is effectively reduced.
Description
Technical field
The utility model relates to the testing apparatus correlative technology field, particularly a kind of automotive air-conditioning controller testing apparatus.
Background technology
No matter automotive air-conditioning controller is automatic or manual, or electronic air-conditioner controller, its interface signal can be divided into following several; Numeral I/O signal, simulating signal.Need to simulate different physical environments during existing lab investigation automotive air-conditioning controller, the signal of simulated automotive and air-conditioner controller is verified automotive air-conditioning controller in the laboratory.
Be to adopt motor that air-conditioner controller will be controlled, sensor, fan blower etc. to be integrated in the black box during existing simulated automotive signal, when lab investigation, will produce following problem:
1 different project need to be made different testing cassetes, like this will the very large storage space of duty, and testing cost will increase.Along with increasing of project, cause the accumulation of black box, cause the storage trouble, the black box cost of manufacture is very high simultaneously;
2 laboratories are the electric current and voltages that need to measure each interface, and black box is not easy to realize test;
During 3 lab investigation, the laboratory technician can't judge directly whether automotive air-conditioning controller works, if need to judge, then needs external more load or instrumentation to judge.There is not intuitive for test;
4 for black box, and if there is unusually, inspection and maintenance bothers very much.
Summary of the invention
The utility model provides a kind of automotive air-conditioning controller testing apparatus, need to make the technical matters of different testing apparatuss with the testing apparatus disparity items that solves prior art.
The technical scheme that adopts is as follows:
A kind of automotive air-conditioning controller testing apparatus, comprise separate test panel and general casing, include several IO channel in the described general casing, the load input channel, pulse width modulating signal produces circuit and communication port, described test panel is provided with several test pin, load, pulse width modulating signal control device and communication interface, the IO channel of described general casing is provided with input end and output terminal, the load input channel is provided with input end and output terminal, pulse width modulating signal produces circuit and is provided with control end and output terminal, communication port is provided with input end and output terminal, when test panel and general casing integrally combine, the input end of IO channel is electrically connected with test pin, the input end of load input channel is electrically connected with load, the pulse width modulating signal control device is electrically connected with the control end that pulse width modulating signal produces circuit, and communication interface is electrically connected with the input end of communication port.
Further, each test pin also with a switch with is connected a pilot lamp and is connected, when test panel and general casing integrally combine, the opening and closing of the input end of described switch control test pin and IO channel.
Further, described load comprises: motor, sensor and/or fan blower speed adjusting module.
Further, described general casing also is provided with electric current and voltage test switching device shifter, described test panel also is provided with electric current and voltage test switching device shifter controller, when test panel and general casing integrally combined, electric current and voltage test switching device shifter controller was tested switching device shifter with electric current and voltage and is electrically connected.
The utility model for the each different test panel of making that only needs of different projects, can effectively reduce testing cost by testing apparatus is separated; Also leave pin at test panel simultaneously, can make things convenient for like this laboratory technician's test interface voltage and current.Simultaneously, this panel separates with general casing and has also made things convenient for copying mechanically and dismounting of laboratory technician, conventional efficient during raising, and reduced the storage space of anchor clamps.Test environment on simultaneously can simulated automotive in test, guarantees that the instrument input signal is the same with input signal on the automobile.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Embodiment
The utility model is described in more detail below in conjunction with the drawings and specific embodiments.
Automotive air-conditioning controller is the part of automotive system.Connection leg signal for automotive air-conditioning controller can be divided into: general I/O signal (namely being exactly the high/low level of automotive air-conditioning controller I/O), sensor signal (namely adjustable resistance signal), (motor has power supply, control and feedback pin to the signal on the motor pin.Control also is the I/O signal in fact, with the voltage difference controlling party between the two pins to, feedback generally is the resistance value feedback.These all are integrated in motor internal.), (have a backlight regulator to be used for the backlight of vehicles air-conditioner controller on the vehicle body, it generally is to produce pwm signal to pulse-length modulation (PWM) signal.Some automotive air-conditioning controller need to be accepted vehicle speed signal simultaneously, vehicle speed signal all is pwm signal), communication interface comprises controller local area network (Control Area Network, CAN), Local Interconnect Network (Local Interconnect Network, LIN).
These classification have been arranged, made on this basis a general casing, common sparing is placed in the casing so, and different piece is placed on the panel.Electrology characteristic on the automotive air-conditioning controller function of each model is distinguishing, comprises that some topworkies also are different.Wherein maximum difference is exactly: motor is different, and resistance of sensor requires different, and the level of some I/O is different.Therefore these some parts we be placed on the test test panel handled easily and observation.Each pin can have the signal designation function (no matter be input or output, LED lamp and switch to be arranged on the test panel.Switch is used for cutting off and together with model machine and topworks, LED is used to indicate whether signal output is arranged on this pin.）。Each different project pin name is mostly identical, but because topworks is different different with the definition of model machine connector, panel can only be to do conversion for project.
At general box house following function is arranged: 1, as the passage of test prototype and test panel, directly connect (such as general I/O, the control pin of motor, input pin of sensor etc.).2, feature board of inner placement, (there is pwm signal generation circuit inside to simulation vehicle body environment, by regulating frequency and the dutycycle of the adjustable resistance adjusting PWM on the panel, the feedback of fan blower speed adjusting module and delay circuit, some pulse signals turn the level signal circuit).
As shown in Figure 1, a kind of automotive air-conditioning controller testing apparatus, comprise separate test panel 1 and general casing 2, include several IO channel 21 in the general casing 2, load input channel 22, pulse width modulating signal produces circuit 23, communication port 24 and electric current and voltage test switching device shifter 25, described test panel 1 is provided with several test pin 11, load 12, pulse width modulating signal control device 13, communication interface 14 and electric current and voltage test switching device shifter controller 15, the IO channel 21 of general casing 2 is provided with input end and output terminal, load input channel 22 is provided with input end and output terminal, pulse width modulating signal produces circuit 23 and is provided with control end and output terminal, communication port 24 is provided with input end and output terminal, when test panel 1 and general casing 2 integrally combine, the input end of IO channel 21 is electrically connected with test pin 11, the input end of load input channel 22 is electrically connected with load 12, pulse width modulating signal control device 13 is electrically connected with the control end that pulse width modulating signal produces circuit 23, communication interface 14 is electrically connected with the input end of communication port 24, and electric current and voltage test switching device shifter controller 15 is electrically connected with electric current and voltage test switching device shifter 25.
Each test pin 11 also with a switch with is connected a pilot lamp and is connected, when test panel 1 and general casing 2 integrally combine, the opening and closing of switch control test pin 11 and the input end of IO channel 21.
Load 12 comprises: motor, sensor and/or fan blower speed adjusting module.
The automotive air-conditioning controller testing apparatus is used for automotive air-conditioning controller 3 is tested, the output terminal of the IO channel 21 of general casing 2 is connected with the I/O mouth of automotive air-conditioning controller 3, the output terminal of the load input channel 22 that is connected with motor is connected with the Electric Machine Control interface of automotive air-conditioning controller 3, and the output terminal of the load input channel 22 that is connected with sensor is connected with the sensor input interface of automotive air-conditioning controller.Pulse width modulating signal produces circuit and provides pwm signal to automotive air-conditioning controller, realizes the adjusting backlight of different automotive air-conditioning controllers.The feedback of fan blower speed adjusting module and delay circuit provide feedback and delay to the fan blower speed adjusting module of automotive air-conditioning controller 3.
Wherein, electric current and voltage test switching device shifter 25 uses automotive air-conditioning controller 3 when automatically testing.On automatic system, voltage ratio is easier to detect, and surveying electric current is to use electric current and voltage test switching device shifter controller 15 that path is switched to come, in the reometer access channel.
In implementation, test pin 11 can be that short circuit is inserted, and pilot lamp can be the LED lamp.
The utility model is compared with integrated test box, has adopted technology:
1, panel separates with casing.Leave short circuit on the test panel and insert, by plug, connect the voltage and current that multimeter can measurement interface.The laboratory technician can also can judge intuitively whether model machine works with the light on and off of crossing pilot lamp simultaneously, and pilot lamp can adopt the LED lamp to realize in force;
2, casing is made general-purpose interface, and the plug of general casing is carried out resources definition.
Compare with the global function Auto-Test System, following advantage arranged:
1, dwindle the volume of a test item, can do environmental test like this, vibration test and EMC test;
2, cost is low, can make things convenient for and the succinct test of doing any interface.
Above-described embodiment only is the better embodiment of the utility model; but embodiment of the present utility model is not restricted to the described embodiments; other are any not to deviate from change, the modification done under Spirit Essence of the present utility model and the principle, substitute, combination, simplify; all should be the substitute mode of equivalence, be included within the protection domain of the present utility model.
Claims (4)
1. automotive air-conditioning controller testing apparatus, it is characterized in that, comprise separate test panel and general casing, include several IO channel in the described general casing, the load input channel, pulse width modulating signal produces circuit and communication port, described test panel is provided with several test pin, load, pulse width modulating signal control device and communication interface, the IO channel of described general casing is provided with input end and output terminal, the load input channel is provided with input end and output terminal, pulse width modulating signal produces circuit and is provided with control end and output terminal, communication port is provided with input end and output terminal, when test panel and general casing integrally combine, the input end of IO channel is electrically connected with test pin, the input end of load input channel is electrically connected with load, the pulse width modulating signal control device is electrically connected with the control end that pulse width modulating signal produces circuit, and communication interface is electrically connected with the input end of communication port.
2. a kind of automotive air-conditioning controller testing apparatus according to claim 1, it is characterized in that, each test pin also with a switch with is connected a pilot lamp and is connected, when test panel and general casing integrally combine, the opening and closing of the input end of described switch control test pin and IO channel.
3. a kind of automotive air-conditioning controller testing apparatus according to claim 1 is characterized in that described load comprises: motor, sensor and/or fan blower speed adjusting module.
4. a kind of automotive air-conditioning controller testing apparatus according to claim 1, it is characterized in that, described general casing also is provided with electric current and voltage test switching device shifter, described test panel also is provided with electric current and voltage test switching device shifter controller, when test panel and general casing integrally combined, electric current and voltage test switching device shifter controller was tested switching device shifter with electric current and voltage and is electrically connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220432553 CN202904369U (en) | 2012-08-29 | 2012-08-29 | Test apparatus for automobile air-conditioning controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220432553 CN202904369U (en) | 2012-08-29 | 2012-08-29 | Test apparatus for automobile air-conditioning controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202904369U true CN202904369U (en) | 2013-04-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220432553 Expired - Fee Related CN202904369U (en) | 2012-08-29 | 2012-08-29 | Test apparatus for automobile air-conditioning controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202904369U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105549575A (en) * | 2015-12-15 | 2016-05-04 | 重庆瑞阳科技股份有限公司 | Automobile air conditioner controller testing system |
| CN105759792A (en) * | 2016-04-29 | 2016-07-13 | 吉林大学 | Artificial load device used for vehicle-mounted air conditioner controller |
| CN108873858A (en) * | 2018-05-28 | 2018-11-23 | 苏州工业园区职业技术学院 | A kind of precision intelligence automotive air-conditioning controller test macro |
| CN108983746A (en) * | 2018-06-20 | 2018-12-11 | 苏州工业园区职业技术学院 | A kind of comprehensive automotive air-conditioning controller test macro |
| CN112924782A (en) * | 2021-01-27 | 2021-06-08 | 无锡诚勇自动化技术有限公司 | Communication power supply box controller detection equipment and detection method thereof |
-
2012
- 2012-08-29 CN CN 201220432553 patent/CN202904369U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105549575A (en) * | 2015-12-15 | 2016-05-04 | 重庆瑞阳科技股份有限公司 | Automobile air conditioner controller testing system |
| CN105759792A (en) * | 2016-04-29 | 2016-07-13 | 吉林大学 | Artificial load device used for vehicle-mounted air conditioner controller |
| CN105759792B (en) * | 2016-04-29 | 2018-06-08 | 吉林大学 | For the analogue loading device of on-board air conditioner controller |
| CN108873858A (en) * | 2018-05-28 | 2018-11-23 | 苏州工业园区职业技术学院 | A kind of precision intelligence automotive air-conditioning controller test macro |
| CN108983746A (en) * | 2018-06-20 | 2018-12-11 | 苏州工业园区职业技术学院 | A kind of comprehensive automotive air-conditioning controller test macro |
| CN112924782A (en) * | 2021-01-27 | 2021-06-08 | 无锡诚勇自动化技术有限公司 | Communication power supply box controller detection equipment and detection method thereof |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130424 Termination date: 20140829 |
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| EXPY | Termination of patent right or utility model |