CN202649358U - Electric vehicle high-pressure box fault automatic checkout device - Google Patents
Electric vehicle high-pressure box fault automatic checkout device Download PDFInfo
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- CN202649358U CN202649358U CN 201220332799 CN201220332799U CN202649358U CN 202649358 U CN202649358 U CN 202649358U CN 201220332799 CN201220332799 CN 201220332799 CN 201220332799 U CN201220332799 U CN 201220332799U CN 202649358 U CN202649358 U CN 202649358U
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- electric automobile
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- automatic detection
- failure automatic
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Abstract
The utility model relates to an electric vehicle high-pressure box fault automatic checkout device, comprising a central processing unit, an output power supply, a CAN communication module, an eight-path input module, an eight-path output module, a status indicating device and an audible alarm device. The central processing unit is respectively connected with the output power supply, the CAN communication module, the eight-path input module, the eight-path output module, the status indicating device and the audible alarm device. Preferably, the status indicating device is an LED indicator light, and the audible alarm device is a buzzer. The automatic checkout device also comprises a serial communication module, a square wave output module, an AD input module, a button input module, a potentiometer, and a switching power supply. The electric vehicle high-pressure box fault automatic checkout device has smart design and simple structure, automatically detects whether a high-pressure box has faults, and is suitable for large-scale popularization and application.
Description
Technical field
The utility model relates to vehicle electronics and technical field of new energies, and particularly auto parts and components automatic detection device technical field specifically refers to a kind of electric automobile high-voltage box failure automatic detection device.
Background technology
Electric automobile is present in the world unique motor vehicle that can reach zero-emission.Since the requirement of environmental protection, the in addition development of new material and new technology, and electric automobile has entered the development climax.
The technology of now zero-emission electric motor car is ripe gradually also to have begun commercialization, and the stroke that once charges also can satisfy the requirement of urban transportation.Electric automobile will bring huge variation to human society in 21 century as the green traffic instrument.Comply with the megatrend of current International Technology development, electric automobile is entered the point of penetration of 21 century auto industry as China, being not only the strategic choice of carrying that realizes the development of Chinese Automobile Industry ' technological leapfrogging formula, also is simultaneously the important selection that realizes the Chinese Automobile Industry ' sustainable development.
In recent decades, along with the fast development of electronic technology, all trades and professions all begin to advocate electromechanical integration, so that it is no exception to be partial to the automotive field of machinery cooperation originally.All be hundreds of electronic components easily on the automobile of today, electric automobile is countless especially, various and complicated automobile line is being controlled the co-ordination of a plurality of departments of automobile, the electronic installation cost that fills usefulness in the following 3-5 of external scholarly forecast on the automobile will account for more than 25% of vehicle complete vehicle cost, automobile will by simple engineering goods to senior electromechanical integrated product future development, become so-called electronic car.
Inner at electric automobile, because the use of a large amount of electronic equipments, require bulk data information can in different subsystems, realize sharing, traditional point-to-point mode of connection no longer has been fit to the high automotive networking of electronic integrated level, the vehicle control system architecture of integrated control and distributed treatment is arisen at the historic moment, it is that the controller that will have different independent control abilities combines, and is realized the coordination of whole automotive networking energy management and components/devices is controlled by high-voltage cage again.Automotive networking exchanges data amount is large in order to satisfy, real-time, characteristics that reliability requirement is high, adopts the CAN bus to carry out communication between each controller.
For the dynamic property and the capacity usage ratio that improve electric automobile, the voltage of power accumulator is more and more higher, rises to present several hectovolts by original tens volts, so need to be equipped with the safety that special system manages high-pressure system.On electric automobile, not only need to be equipped with special on-board high-voltage electricity safety management system, monitor vehicle-mounted high-voltage safety management system but also should design special safety test system, with the capable safety case monitoring of spouting.According to practical structures and the circuit characteristic of electric vehicle, the electric motor intelligent high-voltage cage can manage the distribution of various power supplys in the electric automobile.
High-voltage cage is the core cell of electric automobile operation, and configuration and the supply of undertaking the car load energy are the necessary guarantees of realizing pure electric automobile safety, efficient operation.Therefore, the hardware detection work of high-voltage cage just seems in its production link particularly important.
Therefore, need to provide a kind of electric automobile high-voltage box failure automatic detection device, whether have fault thereby automatically detect high-voltage cage.
The utility model content
The purpose of this utility model is to have overcome above-mentioned shortcoming of the prior art, a kind of electric automobile high-voltage box failure automatic detection device is provided, this electric automobile high-voltage box failure automatic detection device design is ingenious, simple for structure, automatically detect high-voltage cage and whether have fault, be suitable for large-scale promotion application.
To achieve these goals, electric automobile high-voltage box failure automatic detection device of the present utility model, be characterized in, comprise central processing unit, out-put supply, CAN communication module, 8 road load modules, No. 8 output modules, status indicating part and sound warning piece, described central processing unit is connected with described out-put supply, described CAN communication module, described 8 road load modules, described No. 8 output modules, described status indicating part and the audible alarm component circuitry of being connected respectively.
Better, described status indicating part is LED light.
Better, described audible alarm parts are hummers.
Better, described electric automobile high-voltage box failure automatic detection device also comprises serial port module, described serial port module circuit connects described central processing unit.
Better, described electric automobile high-voltage box failure automatic detection device also comprises the square wave output module, described square wave output module circuit connects described central processing unit.
Better, described electric automobile high-voltage box failure automatic detection device also comprises the AD load module, described AD load module circuit connects described central processing unit.
Better, described electric automobile high-voltage box failure automatic detection device also comprises keyboard input module, described keyboard input module circuit connects described central processing unit.
Better, described electric automobile high-voltage box failure automatic detection device also comprises potentiometer, described potentiometer circuit connects described central processing unit.
Better, described electric automobile high-voltage box failure automatic detection device also comprises Switching Power Supply, described switching power circuit connects described central processing unit.
The beneficial effects of the utility model specifically are:
1, electric automobile high-voltage box failure automatic detection device of the present utility model comprises central processing unit, out-put supply, the CAN communication module, 8 road load modules, 8 road delivery outlet moulds, status indicating part and sound warning piece, described central processing unit respectively with described out-put supply, described CAN communication module, described 8 road load modules, described 8 road delivery outlet moulds, described status indicating part be connected the audible alarm component circuitry and connect, thereby by with after high-voltage cage is connected, gather the high-voltage cage relevant information, judge whether high-voltage cage produces fault, by analyzing reason, judge the type of the system failure, trouble location, by described status indicating part indicating status, report to the police by described audible alarm parts, design ingenious, simple for structure, automatically detect high-voltage cage and whether have fault, be suitable for large-scale promotion application.
2, electric automobile high-voltage box failure automatic detection device of the present utility model is based on the same model high-voltage cage, through docking with the high-voltage cage to be measured that rolls off the production line after hardware and the modification of program, one side's output signal is corresponding to the opposing party's input signal, one side's input signal is finished automatic detection corresponding to the opposing party's output signal, need not third party's pick-up unit, project organization is simple, ingenious, and cost is low, and this pick-up unit is applicable to large-scale application.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation of a specific embodiment of the present utility model.
Fig. 3 is the detection schematic diagram of the utility model when the high-voltage cage off-line test.
Fig. 4 is the utility model workflow general illustration.
Fig. 5 is the utility model charging testing process schematic diagram.
Fig. 6 is the utility model testing process schematic diagram that powers on.
Fig. 7 is the utility model current detecting schematic flow sheet.
Fig. 8 is the utility model detection of electrical leakage schematic flow sheet.
Fig. 9 is electro-detection schematic flow sheet under the utility model.
Embodiment
In order more clearly to understand technology contents of the present utility model, describe in detail especially exemplified by following examples.
See also Fig. 1-shown in Figure 2, electric automobile high-voltage box failure automatic detection device of the present utility model comprises central processing unit, out-put supply, CAN communication module, 8 road load modules, No. 8 output modules, status indicating part and sound warning piece, and described central processing unit is connected with described out-put supply, described CAN communication module, described 8 road load modules, described No. 8 output modules, described status indicating part and the audible alarm component circuitry of being connected respectively.
Described status indicating part can be any suitable parts, sees also shown in Figure 2ly, and in specific embodiment of the utility model, described status indicating part is LED light.The number of LED light is 3.
Described audible alarm parts can be any suitable parts, see also shown in Figure 2ly, and in specific embodiment of the utility model, described audible alarm parts are hummers.
In order to carry out signal input and output control, see also shown in Figure 2ly, in specific embodiment of the utility model, described electric automobile high-voltage box failure automatic detection device also comprises serial port module, described serial port module circuit connects described central processing unit.
In order to carry out the high-voltage cage detection of electrical leakage, see also shown in Figure 2, in specific embodiment of the utility model, described electric automobile high-voltage box failure automatic detection device also comprises the square wave output module, and described square wave output module circuit connects described central processing unit.
In order to carry out the analog to digital conversion control of signal, see also shown in Figure 2ly, in specific embodiment of the utility model, described electric automobile high-voltage box failure automatic detection device also comprises the AD load module, described AD load module circuit connects described central processing unit.
In order to realize user's button operation control, see also shown in Figure 2, in specific embodiment of the utility model, described electric automobile high-voltage box failure automatic detection device also comprises keyboard input module, and described keyboard input module circuit connects described central processing unit.
In order to carry out the adjusting control of resistance in the circuit, see also shown in Figure 2ly, in specific embodiment of the utility model, described electric automobile high-voltage box failure automatic detection device also comprises potentiometer, described potentiometer circuit connects described central processing unit.
For the startup of the duty of controlling whole pick-up unit with close, see also shown in Figure 2, in specific embodiment of the utility model, described electric automobile high-voltage box failure automatic detection device also comprises Switching Power Supply, and described switching power circuit connects described central processing unit.
The design parameter of Switching Power Supply can for:
INPUT：115VAC?0.8A
230VAC?0.45A
50/60Hz
OUTPUT：12V3A
The design parameter of out-put supply can provide the output feedback for high-voltage cage for: OUTPUT:12V 3A().
See also shown in Figure 2ly, in specific embodiment of the utility model, also comprise real-time clock, house dog, reset circuit etc.
During use, see also shown in Figure 3, power supply output module of the present utility model is connected power circuit to be connected with high-voltage cage, CAN communication module of the present utility model is connected CAN communication module circuit to be connected with high-voltage cage, 8 road load modules of the present utility model are connected No. 8 output module circuit connect with high-voltage cage, No. 8 output modules of the present utility model are connected 8 load module circuit connect with high-voltage cage.
The utility model sends the test control command by the CAN bus, and high-voltage cage carries out the corresponding actions process after receiving the test control command, with the state write state byte position of each device action, and is sent back to the high-voltage cage pick-up unit by the CAN bus.Meanwhile, the output information of high-voltage cage, also comprise software version, current value, the information such as leakage-current alarm, pick-up unit communicate the detection of data and output action order again after receiving the information that high-voltage cage feeds back to, and judge, the testing result with this is presented on the interpersonal interface at last.
Adopt the utility model to see also shown in Figure 4 to the overview flow chart of high-voltage cage off-line test, be divided into: charging detects, upper electro-detection, current detecting, detection of electrical leakage, five sub-testing processes of lower electro-detection, charging detects and is used for detecting charging process mesohigh box accuracy of action, upper electro-detection is used for detecting power up mesohigh box accuracy of action, current detecting detects the accuracy of high-voltage cage current sample, detection of electrical leakage is used for detecting the accuracy of high-voltage cage detection of electrical leakage, and lower electro-detection is used for detecting lower electric process mesohigh box accuracy of action.Wherein charging detection, upper electro-detection, current detecting, detection of electrical leakage and lower electro-detection detail flowchart see also Fig. 5～shown in Figure 9.
The utility model uses mainly for hardware or other company's similar products off-line test of the applicant (Shanghai Zhongke Shenjiang Electric Vehicle Co., Ltd.) electric automobile intelligent high-pressure box, and intelligent high-pressure box concrete structure can REFERENCE TO RELATED people structure of high-voltage electric control circuit for electric automobile patent of invention (number of patent application 201110200280.7).
Charging testing process: after the utility model normal operation enters this detection-phase, send the charge command signal for high-voltage cage to be measured, whether closedly detect main negative relay; If closed, send main negative relay feedback command signal, detect successively whether PTC disconnects, whether main positive relay disconnects, whether CAN information is correct; If above testing result is all errorless, send battery and be full of command signal, detect main negative relay and whether disconnect; If disconnect, send main negative relay feedback command signal, detect whether standby of high-voltage cage; If standby sends disconnection charge command signal, the complete charge process detects; If mistake appears in above arbitrary sub-detecting step, have the corresponding code prompting that makes mistakes.
Testing process powers on: after the utility model normal operation enters this detection-phase, send ON shelves command signal for high-voltage cage to be measured, whether the detection timing relay is closed, whether CAN information is correct; If, send main negative relay closes command signal, whether closedly detect main negative relay; If closed, send precharge command signal, detect corresponding preliminary filling device and whether occur break-make 10 times; If occur, send precharge and finish command signal, whether correctly detect CAN information; If correct, send main positive relay closes command signal, whether the main positive relay of detection is closed, whether CAN information is correct; If correct, finish power up and detect; If mistake appears in above arbitrary sub-detecting step, have the corresponding code prompting that makes mistakes.
Whether the current detecting process: after the utility model normal operation entered this detection-phase, one of them LED light was bright, and system preserves initial current value, detect continuous 10 primary currents and detect correct; If correct, hummer rings one; Whether wait exceeds more than the initial current value 15A, and second LED light is bright, detect continuous 10 primary currents and detect correct; Whether if correct, hummer rings one, waits for being lower than more than the initial current value 15A, and the 3rd LED light is bright, detect continuous 10 primary currents and detect correct; If correct, wait for exceeding more than the initial current value 15A, finish the current detecting process; If mistake appears in above arbitrary sub-detecting step, have the corresponding code prompting that makes mistakes.
The detection of electrical leakage process: after the utility model normal operation entered this detection-phase, high-voltage cage to be measured was under normal circumstances without the prompting of electric leakage rank; Send closing relay 1 access 60K resistance command signal, whether correctly detect the electric leakage rank; If correct, send closing relay 2 access 30K resistance command signals, whether correctly detect the electric leakage rank; If correct, send disconnection relay 1, relay 2 command signals, finish the detection of electrical leakage process; If mistake appears in above arbitrary sub-detecting step, have the corresponding code prompting that makes mistakes.
Lower electro-detection process: after the utility model normal operation enters this detection-phase, send PTC open command signal for high-voltage cage to be measured, whether detection PTC relay is closed, whether CAN information is correct; If, send lower electric command signal, whether the main positive relay of detection disconnects, whether the PTC relay disconnects; If all disconnect, send the main positive relay feedback command signal of disconnection, detect main negative relay and whether disconnect; If disconnect, send the main negative relay feedback command signal of disconnection, whether correctly detect CAN information; If correct, send ON shelves signal ON-and OFF-command, detect high-voltage cage and whether cut off the power supply; If outage finishes lower electro-detection process; If mistake appears in above arbitrary sub-detecting step, have the corresponding code prompting that makes mistakes.
Work procedure for displaying of the present utility model:
When the order of high-voltage cage corresponding actions made mistakes, 3 LED light of this pick-up unit can be glittering successively, every glittering once the time hummer can ring rapid 3; Error code spreads out of by the CAN bus, can detect by upper computer software.
When high-voltage cage test all by the time, 3 LED light of this pick-up unit can be simultaneously glittering, whenever glittering rapid 2 of hummer meeting once the time are to inform the tester.
The utility model uses mainly for the hardware off-line test of electric automobile high-voltage box, and high-voltage cage drives automobile normal running as the core control part of car load.According to the running status of automobile, each electricity consumption part of electric automobile is carried out distributing electric power according to the order of sequence.Under the premise that security is guaranteed, supply of electrical energy effectively.Action in order to ensure each functional module of high-voltage cage is normal, and the utility model detects it when high-voltage cage rolls off the production line, to guarantee the unfailing performance of each control module of high-voltage cage.After the high-voltage cage failure automatic detection device connected by CAN bus and high-voltage cage, it is negative that it gathers the high-voltage cage master, just leading the switching signal of PTC relay action signal and IGBT.The content of the corresponding CAN information that switching sequence and the high-voltage cage by its signal spreads out of is made corresponding judgement.Then the action of controlling each parts relay of this diagnostic device sends answer signal to it, and transmits control command by CAN, and high-voltage cage receives and response command.Diagnostic device judges whether high-voltage cage produces fault, by analyzing reason, judges the type of the system failure, and trouble location sends the part diagnostic result again with the CAN message form, and failure automatic detection device shows malfunction by man-machine interface.
The utility model can with the message exchange of its realization communication module and the switch control of relay, judge with this what defective high-voltage cage has in hardware production under the high-voltage cage test pattern, and the correctness on the check software strategy.Thereby the unsafe incidents of avoiding the high-voltage cage hardware fault to cause, and notify the testing staff with test result with the form of CAN information and buzzer warning, carry out fault and judge, in order to doing the technology for detection support for the in the future batch production of high-voltage cage.The utility model can be avoided the loss because of staff redeployment or the caused service experience of vagueness in memory, can shorten failure detection time simultaneously, has greatly improved the work efficiency of producing and keeping in repair.
To sum up, electric automobile high-voltage box failure automatic detection device design of the present utility model is ingenious, simple for structure, automatically detects high-voltage cage and whether has fault, is suitable for large-scale promotion application.
In this instructions, the utility model is described with reference to its specific embodiment.But, still can make various modifications and conversion obviously and not deviate from spirit and scope of the present utility model.Therefore, instructions and accompanying drawing are regarded in an illustrative, rather than a restrictive.
Claims (9)
1. electric automobile high-voltage box failure automatic detection device, it is characterized in that, comprise central processing unit, out-put supply, CAN communication module, 8 road load modules, No. 8 output modules, status indicating part and sound warning piece, described central processing unit is connected with described out-put supply, described CAN communication module, described 8 road load modules, described No. 8 output modules, described status indicating part and the audible alarm component circuitry of being connected respectively.
2. electric automobile high-voltage box failure automatic detection device according to claim 1 is characterized in that, described status indicating part is LED light.
3. electric automobile high-voltage box failure automatic detection device according to claim 1 is characterized in that, described audible alarm parts are hummers.
4. electric automobile high-voltage box failure automatic detection device according to claim 1 is characterized in that, described electric automobile high-voltage box failure automatic detection device also comprises serial port module, and described serial port module circuit connects described central processing unit.
5. electric automobile high-voltage box failure automatic detection device according to claim 1 is characterized in that, described electric automobile high-voltage box failure automatic detection device also comprises the square wave output module, and described square wave output module circuit connects described central processing unit.
6. electric automobile high-voltage box failure automatic detection device according to claim 1 is characterized in that, described electric automobile high-voltage box failure automatic detection device also comprises the AD load module, and described AD load module circuit connects described central processing unit.
7. electric automobile high-voltage box failure automatic detection device according to claim 1 is characterized in that, described electric automobile high-voltage box failure automatic detection device also comprises keyboard input module, and described keyboard input module circuit connects described central processing unit.
8. electric automobile high-voltage box failure automatic detection device according to claim 1 is characterized in that, described electric automobile high-voltage box failure automatic detection device also comprises potentiometer, and described potentiometer circuit connects described central processing unit.
9. electric automobile high-voltage box failure automatic detection device according to claim 1 is characterized in that, described electric automobile high-voltage box failure automatic detection device also comprises Switching Power Supply, and described switching power circuit connects described central processing unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220332799 CN202649358U (en) | 2012-07-10 | 2012-07-10 | Electric vehicle high-pressure box fault automatic checkout device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220332799 CN202649358U (en) | 2012-07-10 | 2012-07-10 | Electric vehicle high-pressure box fault automatic checkout device |
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| CN202649358U true CN202649358U (en) | 2013-01-02 |
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| CN 201220332799 Expired - Fee Related CN202649358U (en) | 2012-07-10 | 2012-07-10 | Electric vehicle high-pressure box fault automatic checkout device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107168302A (en) * | 2017-07-26 | 2017-09-15 | 徐工集团工程机械股份有限公司科技分公司 | Integrated fault detects control box |
| CN109030977A (en) * | 2018-06-01 | 2018-12-18 | 北京新能源汽车股份有限公司 | High-voltage wire breaking box and control method and control device thereof |
-
2012
- 2012-07-10 CN CN 201220332799 patent/CN202649358U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107168302A (en) * | 2017-07-26 | 2017-09-15 | 徐工集团工程机械股份有限公司科技分公司 | Integrated fault detects control box |
| CN109030977A (en) * | 2018-06-01 | 2018-12-18 | 北京新能源汽车股份有限公司 | High-voltage wire breaking box and control method and control device thereof |
| CN109030977B (en) * | 2018-06-01 | 2021-01-26 | 北京新能源汽车股份有限公司 | High-voltage wire breaking box and control method and control device thereof |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130102 Termination date: 20180710 |
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| CF01 | Termination of patent right due to non-payment of annual fee |