CN203397208U - Automatic detector for electric control unit (ECU) module of retired automobile body - Google Patents
Automatic detector for electric control unit (ECU) module of retired automobile body Download PDFInfo
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- CN203397208U CN203397208U CN201320500345.4U CN201320500345U CN203397208U CN 203397208 U CN203397208 U CN 203397208U CN 201320500345 U CN201320500345 U CN 201320500345U CN 203397208 U CN203397208 U CN 203397208U
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- motor car
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M17/00—Testing of vehicles
- G01M17/007—Wheeled or endless-tracked vehicles
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- Automobile Manufacture Line, Endless Track Vehicle, Trailer (AREA)
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Abstract
The utility model relates to an automatic detector for an ECU module of a retired automobile body. The automatic detector comprises a dual-thimble clamp stage, a large-power highly-effective bridge type output simulated load, a hardware-in-loop simulation system, a signal conditioning box, an Agilent power supply, a dc power supply routing module and an air pressure drive unit, wherein the hardware-in-loop simulation system simulates different control signals of the automobile body, and transmits the control signals to the detected ECU module of the retired automobile body after the control signals are conditioned by the signal conditioning module; the large-power highly-effective bridge type output simulated load generates load signals, and sends the load signals to the detected ECU module of the retired automobile body via the dual-thimble clamp stage; and the hardware-in-loop simulation system timely records response signals of the detected ECU module of the retired automobile body to the load, and determines whether the detected ECU module of the retired automobile body is qualified by comparing the response signals with standard values stored in the hardware-in-loop simulation system. The automatic detector for the ECU module of the retired automobile body has effects of high efficiency, good environmental protection and low detection cost, and is suitable for batch detection for the ECU modules of the retired automobile body.
Description
Technical field
The utility model relates to a kind of pick-up unit of electronic unit, in particular a kind of retired body of a motor car electronic control module automatic detection device, belongs to electronic product recycling technical field.
Background technology
Expecting 2017 Nian， China will have the automobile over 7,780,000 to scrap, and to the year two thousand twenty, abandoned car will reach 9,950,000.Visible, the quantity of the retired body of a motor car electronic control module of annual China will be surprising in the near future.At present, China does not generally process separately for retired body of a motor car electronic control module, melts down, or carry out landfill disposal but cut packing Hou Song iron and steel enterprise with vehicle body.Because body of a motor car electronic control module is containing poisonous and harmful substance, the low value-added way of recycling of therefore it being carried out to MAT'L recycling by electron wastes can produce serious pollution to environment.The reliability of body of a motor car electronic control module is very high, and be generally 500,000 hours the designed life of its components and parts, yet the real working time is still less than 1/5th of its designed life.Therefore, after automobile is retired, body of a motor car electronic control module also has very long residual life, can accomplish high added value recycling completely.In order to realize the high added value recycling of retired engine electric-controlled plate, re-manufacturing technology just arises at the historic moment.What is called is manufactured exactly by after disassembling, clean, detect the series of process such as classification, reprocessing, assembling again, makes retired body of a motor car electronic control module have the quality and performance that even surpasses new product.Detection is again sport technique segment most crucial in manufacture process, it is the core process step of retired body of a motor car electronic control module added value recycling, it is the basic assurance of quality of manufacturing a product again, whether can realize accurately and detecting, directly determine that can retired body of a motor car electronic control module realize high attached value recycling.
Body of a motor car electronic control module is the core of autobody control system, it carries out computing according to various sensor signals and switching signal, result is flowed to actuator, to realize central door lock control, power windows control, rearview mirror memory, anti-theft and alarm, light control, air bag control, wiper control, boot control etc.Therefore, body of a motor car electric control module controls program is complicated, causes its detection difficult, sense cycle is long, cost is high.Thereby accurately, comprehensively and to raise the efficiency be the technology Focal point and difficult point of retired body of a motor car electronic control module testing.So far not yet find the domestic research work of carrying out retired body of a motor car electronic control module context of detection that has.
Find by prior art documents, Chinese invention patent " a kind of engine electric-controlled unit ECU analoging detecting device and detection method " (publication number CN101718990B), it adopts the simulation external signal that connects of ECU and drives the method that the input of ECU general character, output interface are detected, substituted the method for testing by actual engine pedestal material object, obtained the effect of economical and convenient, be applicable to produce in enormous quantities.Yet, the engine electric-controlled unit ECU parts that this patent detected object is new production, and can only detect the performance of ECU, can not judge that ECU's is whether qualified.
Utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, a kind of retired body of a motor car electronic control module automatic detection device is provided, can automatically detect whole interfaces and the function of the crate vehicle body electronic control module of disassembling on abandoned car, and determine whether this body of a motor car electronic control module can re-use, reach the effect that improves detection efficiency, reduction labour intensity and testing cost, minimizing environmental pollution, meet better the needs of the high attached value recycling of retired body of a motor car electronic control module.
The utility model is achieved through the following technical solutions:
A kind of retired body of a motor car electronic control module automatic detection device, it comprises that the effective bridge-type output of pneumatic Double Tops pin clamping fixture table, high-power height fictitious load, hardware-in-loop simulation system, signal process box, Agilent power supply, direct supply walk the gentle hydraulic driver of wire module, wherein
Pneumatic Double Tops pin clamping fixture table is sandwiched and connect described tested retired body of a motor car electronic control module, to transmit the input and output signal of this tested retired body of a motor car electronic control module;
The effective bridge-type output of high-power height fictitious load produces the load signal of load behavior in simulated automotive operational process, it connects described pneumatic Double Tops pin clamping fixture table, and by this pneumatic Double Tops pin clamping fixture table, described load signal is transferred to described tested retired body of a motor car electronic control module to carry out simulation loading;
Hardware-in-loop simulation system comprises display and industrial computer, this hardware-in-loop simulation system simulation is also exported the control signal of body of a motor car, the response signal that the tested retired body of a motor car electronic control module of real time record is made described load signal simultaneously, and by this response signal be stored in the intrasystem standard value of hardware-in-loop simulation and compare, make the judgement whether described tested retired body of a motor car electronic control module qualified and show;
One end of signal process box is connected with described pneumatic Double Tops pin clamping fixture table, and the other end is connected with described hardware-in-loop simulation system, described control signal and the response signal of this signal process box transmission, and it is nursed one's health;
Agilent power supply connects described direct supply and walks wire module;
Direct supply is walked wire module and is connected respectively the effective bridge-type output of described pneumatic Double Tops pin clamping fixture table, hardware-in-loop simulation system and high-power height fictitious load, and gives the effective bridge-type output of this pneumatic Double Tops pin clamping fixture table, hardware-in-loop simulation system and high-power height fictitious load by voltage and electric current reasonable distribution;
Actuating device of atmospheric pressure connects described pneumatic Double Tops pin clamping fixture table, and Pneumatic pressure power is provided for it.
Described actuating device of atmospheric pressure comprises source of the gas, source of the gas regulating device, solenoid directional control valve, sound suppressor and two rotary clamping cylinders, described source of the gas regulating device connects source of the gas, described solenoid directional control valve connects respectively source of the gas regulating device and two rotary clamping cylinders, this two rotary clamping cylinder is fixed on described pneumatic Double Tops pin clamping fixture table, and described sound suppressor connects this solenoid directional control valve.
Described response signal comprises the voltage drop value of described tested retired body of a motor car electronic control module to the responsive state of load signal and electronic devices and components contact.
Described pneumatic Double Tops pin clamping fixture table has two thimbles, and these two thimbles contact to form two-circuit with the stitch of same tested retired body of a motor car electronic control module simultaneously.
Described automatic detection device also comprises the standby load being connected with described pneumatic Double Tops pin clamping fixture table.
Compared with prior art, the beneficial effects of the utility model are:
1, the utility model adopts each control signal of hardware-in-loop simulation system simulation vehicle body, the response signal of the tested retired body of a motor car electronic control module of while real time record, and be stored in the intrasystem standard value of hardware-in-loop simulation and compare, make the whether qualified judgement of tested retired body of a motor car electronic control module, thus realize to retired body of a motor car electronic control module comprehensively, in real time, graphically detect.
2, the utility model has adopted thick thin two thimbles of pneumatic Double Tops pin clamping fixture table one to contact with the stitch of same retired body of a motor car electronic control module simultaneously, forms two-circuit; Realize contact pressure value measuring accuracy and reached ten thousand/volt, improved the reliability detecting.
3, the utility model has been realized full-automatic detection, can to retired body of a motor car electronic control module, complete detection quickly and accurately, and automaticity is high, simple to operate, can meet the needs of mass detection.
4, the utility model does not produce the material of any contaminated environment when work, meets the requirement of environmental protection.
5, the utility model makes retired body of a motor car electronic control module realize high attached value recycling, retired body of a motor car electronic control module is sent iron and steel enterprise to melt down or carries out landfill disposal, environmental pollution and the wasting of resources of effectively having avoided this recycling pattern to cause without cut together packing in company with vehicle body.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation of pneumatic Double Tops pin clamping fixture table in the utility model.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is elaborated; the present embodiment is implemented take technical solutions of the utility model under prerequisite; provided detailed embodiment and concrete operating process, but protection domain of the present utility model is not limited to following embodiment.
Retired body of a motor car electronic control module is detected object of the present utility model, it is disassembled after retired and obtains for automobile, the utility model realize to retired body of a motor car electronic control module duty and performance comprehensively, in real time, graphically detect, and obtain retired body of a motor car electronic control module ageing state information and make the judgement that could recycle.
Refer to Fig. 1, described retired body of a motor car electronic control module automatic detection device comprises that the effective bridge-type output of pneumatic Double Tops pin clamping fixture table 9, high-power height fictitious load 2, hardware-in-loop simulation system 11, signal process box 8, Agilent power supply 7, direct supply walk wire module 4, standby load 3 and actuating device of atmospheric pressure 5.
Described pneumatic Double Tops pin clamping fixture table 9 is sandwiched and connect described tested retired body of a motor car electronic control module 10, to transmit the input and output signal of this tested retired body of a motor car electronic control module 10: control signal, load signal and response signal.Described pneumatic Double Tops pin clamping fixture table 9 has thick thin two thimbles, these two thimbles contact to form two-circuit with the stitch of same tested retired body of a motor car electronic control module 10 simultaneously, realize contact pressure value measuring accuracy and reached ten thousand/volt, improved precision and the reliability measured.
The effective bridge-type output of described high-power height fictitious load 2 produces the load signal of various load behaviors in simulated automotive operational process, as to central door lock control in vehicle body, power windows is controlled, rearview mirror memory, anti-theft and alarm, light is controlled, air bag is controlled, wiper is controlled, the signals such as boot switch control, the effective bridge-type output of this high-power height fictitious load 2 connects described pneumatic Double Tops pin clamping fixture table 9, and by this pneumatic Double Tops pin clamping fixture table 9, described load signal is transferred to described tested retired body of a motor car electronic control module 10 to carry out simulation loading.
Described hardware-in-loop simulation system 11 comprises display 1 and industrial computer 6, and this industrial computer 6 comprises PXI board.Each control signal of body of a motor car is simulated and exported to this hardware-in-loop simulation system 11, the response signal that 10 pairs of described load signals of the tested retired body of a motor car electronic control module of real time record are made simultaneously, this response signal comprises the responsive state of 10 pairs of load signals of described tested retired body of a motor car electronic control module and the voltage drop value of electronic devices and components contact.Described hardware-in-loop simulation system 11 compares this response signal and the standard value being stored in hardware-in-loop simulation system 11, make the judgement whether described tested retired body of a motor car electronic control module 10 is qualified and show, if judge defectively, system is by automatic alarm.
Described signal process box 8 can be transmitted and nurse one's health control signal and response signal, nurses one's health into the collectable signal of information acquisition board.One end of this signal process box 8 is connected with described pneumatic Double Tops pin clamping fixture table 9, and the other end is connected with described hardware-in-loop simulation system 11.
Described Agilent power supply 7 connects described direct supply and walks wire module 2, and walks 2 power supplies of the effective bridge-type output of wire module 2 pairs of described pneumatic Double Tops pin clamping fixture tables 9, hardware-in-loop simulation system 11 and high-power height fictitious load by this direct supply.
Described direct supply is walked wire module 4 and is connected respectively the effective bridge-type output of described pneumatic Double Tops pin clamping fixture table 9, hardware-in-loop simulation system 11 and high-power height fictitious load 2, and gives the effective bridge-type output of this pneumatic Double Tops pin clamping fixture table 9, hardware-in-loop simulation system 11 and high-power height fictitious load 2 by voltage and electric current reasonable distribution.
Described standby load 3 is connected so that standby with described pneumatic Double Tops pin clamping fixture table 9.
Described actuating device of atmospheric pressure 5 connects described pneumatic Double Tops pin clamping fixture table 9, and Pneumatic pressure power is provided for it.Refer to Fig. 2, this actuating device of atmospheric pressure 5 comprises source of the gas 51, source of the gas regulating device 52, solenoid directional control valve 55, sound suppressor 54 and two rotary clamping cylinders 53.Described source of the gas 51 provides pressed gas, described source of the gas regulating device 52 connects source of the gas 51, described solenoid directional control valve 55 is 2/2-way solenoid directional control valve, it connects respectively source of the gas regulating device 52 and two rotary clamping cylinders 53, this two rotary clamping cylinder 53 is fixed on described pneumatic Double Tops pin clamping fixture table 9 so that clamping tested body of a motor car electronic control module 10, and described sound suppressor 54 connects these solenoid directional control valves 55.
The pneumatic pinch course of work is as follows: the air pump of source of the gas 51 sprays pressed gas, through source of the gas regulating device 52, carry out oil water removal, pressure regulation, oil jet lubrication, by 55 pairs of two rotary clamping cylinders 53 of solenoid directional control valve, control again, when solenoid directional control valve 55 no power, pressing plate is in relieving state, when solenoid directional control valve 55 energising, by Dui Gang chamber, inflate, make the rear clamp operation realizing tested retired body of a motor car electronic control module 10 of pressing plate rotation of two rotary clamping cylinders 53, the overflow reduction valve of clamping force in source of the gas regulating device 52 set up, exhaust directly enters atmosphere by sound suppressor 54.
The course of work of the present utility model is as follows: first opening power is display 1 and the common hardware-in-loop simulation system forming 11 power supplies of industrial computer 6.Open the switch of Agilent power supply 7, Agilent power supply 7 is walked wire module 4 for pneumatic Double Tops pin clamping fixture table 9 power supplies by direct supply.Tested retired body of a motor car electronic control module 10 is placed on pneumatic Double Tops pin clamping fixture table 9, actuating device of atmospheric pressure 5 is pneumatic Double Tops pin clamping fixture table 9 air feed, pneumatic Double Tops pin clamping fixture table 9 clamps tested retired body of a motor car electronic control module 10, and automatically adjusts the clamping air pressure of tested retired body of a motor car electronic control module 10.Log in hardware-in-loop simulation system 11, system detects automatically, the effective bridge-type output of high-power height fictitious load 2 drive simulating persons are to central door lock control in vehicle body, power windows is controlled, rearview mirror memory, anti-theft and alarm, light is controlled, air bag is controlled, wiper is controlled, the load signal of the various load behaviors such as boot switch control, and send tested retired body of a motor car electronic control module 10 to by pneumatic Double Tops pin clamping fixture table 9, the response signal of 10 pairs of loads of this tested retired body of a motor car electronic control module sends hardware-in-loop simulation system 11 to by pneumatic Double Tops pin clamping fixture table 9 and signal process box 8.The various control signals of described hardware-in-loop simulation system 11 simulation vehicle bodies, this control signal sends tested retired body of a motor car electronic control module 10 to by pneumatic Double Tops pin clamping fixture table 9 after nursing one's health by signal process box 8.The response signal of 11 pairs of tested retired body of a motor car electronic control module 10 of hardware-in-loop simulation system detects and record, and compare with the standard value of hardware-in-loop simulation system 11 interior storages, to judge that whether response is correct, thereby determine that whether function, the performance of tested retired body of a motor car electronic control module 10 be intact.In test process, adopt the mode of automatic cycle testing, in a controlled circulation, order completes the test to tested retired body of a motor car electronic control module 10 each functions, complete repeatedly after loop test process, contrast repeatedly test result, each function of tested retired body of a motor car electronic control module 10 is judged.
Take unlocking signal as example, first start test process and enter circulation, start program is controlled, by the signal input part to board, control, be communicated with hardware circuit, carry out afterwards data acquisition, because data acquisition has three port upper contacts, lower contact, control electric current and carry out collection analysis, compare afterwards, data are integrated, comprise signal name, signal allowable maximum, signal is allowed minimum value, signal measurements, whether in permissible range, the information such as test duration, in the form of interface, show, deposit assigned address in simultaneously, then carry out the test of next signal.Wherein data acquisition, analyzing and processing process, adopted the form of subroutine to process.Design data acquisition universal program, during test disparate modules, only need change port.
Claims (5)
1. a retired body of a motor car electronic control module automatic detection device, it is characterized in that, described automatic detection device comprises that the effective bridge-type output of pneumatic Double Tops pin clamping fixture table, high-power height fictitious load, hardware-in-loop simulation system, signal process box, Agilent power supply, direct supply walk the gentle hydraulic driver of wire module, wherein
Pneumatic Double Tops pin clamping fixture table is sandwiched and connect described tested retired body of a motor car electronic control module, to transmit the input and output signal of this tested retired body of a motor car electronic control module;
The effective bridge-type output of high-power height fictitious load produces the load signal of load behavior in simulated automotive operational process, it connects described pneumatic Double Tops pin clamping fixture table, and by this pneumatic Double Tops pin clamping fixture table, described load signal is transferred to described tested retired body of a motor car electronic control module to carry out simulation loading;
Hardware-in-loop simulation system comprises display and industrial computer, this hardware-in-loop simulation system simulation is also exported the control signal of body of a motor car, the response signal that the tested retired body of a motor car electronic control module of real time record is made described load signal simultaneously, and by this response signal be stored in the intrasystem standard value of hardware-in-loop simulation and compare, make the judgement whether described tested retired body of a motor car electronic control module qualified and show;
One end of signal process box is connected with described pneumatic Double Tops pin clamping fixture table, and the other end is connected with described hardware-in-loop simulation system, described control signal and the response signal of this signal process box transmission, and it is nursed one's health;
Agilent power supply connects described direct supply and walks wire module;
Direct supply is walked wire module and is connected respectively the effective bridge-type output of described pneumatic Double Tops pin clamping fixture table, hardware-in-loop simulation system and high-power height fictitious load, and gives the effective bridge-type output of this pneumatic Double Tops pin clamping fixture table, hardware-in-loop simulation system and high-power height fictitious load by voltage and electric current reasonable distribution;
Actuating device of atmospheric pressure connects described pneumatic Double Tops pin clamping fixture table, and Pneumatic pressure power is provided for it.
2. retired body of a motor car electronic control module automatic detection device according to claim 1, it is characterized in that, described actuating device of atmospheric pressure comprises source of the gas, source of the gas regulating device, solenoid directional control valve, sound suppressor and two rotary clamping cylinders, described source of the gas regulating device connects source of the gas, described solenoid directional control valve connects respectively source of the gas regulating device and two rotary clamping cylinders, this two rotary clamping cylinder is fixed on described pneumatic Double Tops pin clamping fixture table, and described sound suppressor connects this solenoid directional control valve.
3. retired body of a motor car electronic control module automatic detection device according to claim 1 and 2, it is characterized in that, described response signal comprises the voltage drop value of described tested retired body of a motor car electronic control module to the responsive state of load signal and electronic devices and components contact.
4. retired body of a motor car electronic control module automatic detection device according to claim 1 and 2, it is characterized in that, described pneumatic Double Tops pin clamping fixture table has two thimbles, and these two thimbles contact to form two-circuit with the stitch of same tested retired body of a motor car electronic control module simultaneously.
5. retired body of a motor car electronic control module automatic detection device according to claim 1, is characterized in that, described automatic detection device also comprises the standby load being connected with described pneumatic Double Tops pin clamping fixture table.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320500345.4U CN203397208U (en) | 2013-08-15 | 2013-08-15 | Automatic detector for electric control unit (ECU) module of retired automobile body |
| PCT/CN2014/000670 WO2015021736A1 (en) | 2013-08-15 | 2014-07-14 | Automatic detection device for electronic control module of decommissioned automobile body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320500345.4U CN203397208U (en) | 2013-08-15 | 2013-08-15 | Automatic detector for electric control unit (ECU) module of retired automobile body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203397208U true CN203397208U (en) | 2014-01-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320500345.4U Expired - Fee Related CN203397208U (en) | 2013-08-15 | 2013-08-15 | Automatic detector for electric control unit (ECU) module of retired automobile body |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN203397208U (en) |
| WO (1) | WO2015021736A1 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104199445A (en) * | 2014-09-17 | 2014-12-10 | 北京汽车股份有限公司 | BCM (body control module) test system and method |
| WO2015021736A1 (en) * | 2013-08-15 | 2015-02-19 | 上海交通大学 | Automatic detection device for electronic control module of decommissioned automobile body |
| CN112711243A (en) * | 2020-12-17 | 2021-04-27 | 一汽解放汽车有限公司 | Engine electronic control unit testing device and system |
| CN113325734A (en) * | 2021-06-10 | 2021-08-31 | 中国第一汽车股份有限公司 | Simulation test system, method, device, equipment and storage medium for automatic windscreen wiper |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107908180B (en) * | 2017-12-18 | 2023-11-10 | 北京群源电力科技有限公司 | Signal conditioning device and method for distributed control system test |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0371211A (en) * | 1989-08-10 | 1991-03-27 | Mitsubishi Electric Corp | Failure diagnostic device |
| CN201251709Y (en) * | 2008-07-25 | 2009-06-03 | 埃泰克汽车电子(芜湖)有限公司 | Testing device of vehicle body controller |
| KR101230902B1 (en) * | 2010-12-02 | 2013-02-07 | 현대자동차주식회사 | System for evaluating electronic parts using vehicle simulator |
| CN202600475U (en) * | 2012-01-19 | 2012-12-12 | 无锡市康斯泰科技有限公司 | Automatic testing apparatus for automotive body control module |
| CN202472412U (en) * | 2012-01-23 | 2012-10-03 | 东风襄樊仪表系统有限公司 | Function detection device for vehicle body controller |
| CN203397208U (en) * | 2013-08-15 | 2014-01-15 | 上海交通大学 | Automatic detector for electric control unit (ECU) module of retired automobile body |
-
2013
- 2013-08-15 CN CN201320500345.4U patent/CN203397208U/en not_active Expired - Fee Related
-
2014
- 2014-07-14 WO PCT/CN2014/000670 patent/WO2015021736A1/en active Application Filing
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015021736A1 (en) * | 2013-08-15 | 2015-02-19 | 上海交通大学 | Automatic detection device for electronic control module of decommissioned automobile body |
| CN104199445A (en) * | 2014-09-17 | 2014-12-10 | 北京汽车股份有限公司 | BCM (body control module) test system and method |
| CN112711243A (en) * | 2020-12-17 | 2021-04-27 | 一汽解放汽车有限公司 | Engine electronic control unit testing device and system |
| CN113325734A (en) * | 2021-06-10 | 2021-08-31 | 中国第一汽车股份有限公司 | Simulation test system, method, device, equipment and storage medium for automatic windscreen wiper |
| CN113325734B (en) * | 2021-06-10 | 2023-02-21 | 中国第一汽车股份有限公司 | Simulation test system, method, device, equipment and storage medium for automatic windscreen wiper |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2015021736A1 (en) | 2015-02-19 |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140115 Termination date: 20140815 |
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| EXPY | Termination of patent right or utility model |