CN203773347U - Function test system applied to automobile electronic control unit - Google Patents
Function test system applied to automobile electronic control unit Download PDFInfo
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- CN203773347U CN203773347U CN201320876814.2U CN201320876814U CN203773347U CN 203773347 U CN203773347 U CN 203773347U CN 201320876814 U CN201320876814 U CN 201320876814U CN 203773347 U CN203773347 U CN 203773347U
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- 238000012360 testing method Methods 0.000 title claims abstract description 50
- 239000011159 matrix material Substances 0.000 claims abstract description 48
- 238000004891 communication Methods 0.000 claims abstract description 36
- 238000012546 transfer Methods 0.000 claims description 17
- 238000010438 heat treatment Methods 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 abstract description 3
- 238000011990 functional testing Methods 0.000 abstract description 2
- 238000001816 cooling Methods 0.000 abstract 1
- 238000013461 design Methods 0.000 description 8
- RVCKCEDKBVEEHL-UHFFFAOYSA-N 2,3,4,5,6-pentachlorobenzyl alcohol Chemical compound OCC1=C(Cl)C(Cl)=C(Cl)C(Cl)=C1Cl RVCKCEDKBVEEHL-UHFFFAOYSA-N 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 239000012085 test solution Substances 0.000 description 1
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Abstract
The utility model discloses a be applied to car electronic control unit's functional test system, this system includes: the device comprises an industrial computer, a direct current power supply, a desk type digital multimeter, a signal generator, a matrix module, a power supply conversion module, a communication conversion module, a high-power switch group, a current loop, an analog load, a needle bed jig, a bar code scanning gun, a signal indicator lamp, a direct current matrix switch, an emergency stop button, a leakage circuit breaker, a cooling fan, a display, a UPS (uninterrupted power supply) and an alternating current expansion module. The modules in the system are relatively independent, the overall performance is more reliable, the upgrading of the independent module does not influence the work of other modules, and the use reliability of the function test system is ensured.
Description
Technical field
The utility model relates to automotive electronics observation and control technology field, relates in particular to a kind of function test system that is applied to vehicle electronic control unit.
Background technology
In vehicle electronic control unit observation and control technology field, at present, in order to enhance productivity, save production cost, the function test system of vehicle electronic control unit requires full-automatic test Solution, functional test the earliest,, can there is following defect in main employing with manual and semi-automatic test scheme:
1, due to traditional vehicle electronic control unit function test system, bulky, dispersion, integrated degree is not high enough, and cost is higher;
2, due to traditional vehicle electronic control unit function test system, hardware and software is relatively independent, and circuit system is more complicated, as long as there is a part of circuit to go wrong, just can have influence on other circuit part in system, the reliability of hardware circuit is lower.
Summary of the invention
Technical problem to be solved in the utility model is the function test system of realizing a kind of high precision, high-level efficiency, high integration, high reliability and having full-automatic vehicle electronic control unit.
To achieve these goals, the technical solution adopted in the utility model is: a kind of function test system that is applied to vehicle electronic control unit, comprises industrial computer, direct supply, desk type digital universal meter, matrix module, communication transfer interface module, electric current loop, fictitious load;
Described industrial computer communicates by CAN communication module and communication transfer interface module, by RS232 interface module and direct supply, communicate, by GPIB communication module and desk type digital universal meter, communicate, by high-precision adc modular converter, be connected with electric current loop and carry out signals collecting, by GIO control module, be connected with matrix module and carry out input and output control;
Described direct supply comprises programmable power supply and large power supply, described programmable power supply is powered to matrix module, DC-DC modular converter, communication transfer interface module by direct current matrix switch, and described large power supply is powered to the fictitious load of system by high power switch group.
Described matrix module comprises power supply matrix module and switch matrix module, described power supply matrix module comprise for the real-time power supply module of vehicle electronic control unit igniting power supply, for control high power switch group+9V insulating power supply module, and for switch matrix module for power supply+5V power module, described switch matrix module is connected with desk type digital universal meter.
Power transfer module comprises DC-DC modular converter and AC-DC modular converter, and described DC-DC modular converter is powered to electric current loop, and described AC-DC modular converter is given various signal lamp power supplies.
Described signal lamp comprises one or more during exchanging indication in the indication that powers on, large power supply power supply indication, programmable power supply power supply indication, test passes indication, test, test failure indicates; The described interchange indication that powers on is used to indicate system and whether powers on, and described programmable power supply power supply indication, large power supply power supply indication are used to indicate system power supply and select state.
Described communication transfer interface module comprises RS232-KLINE modular converter and CAN-KLINE modular converter, and described industrial computer is set up communication by RS232-KLINE modular converter and vehicle electronic control unit and is connected; Described industrial computer is connected communication by CAN-KLINE modular converter with vehicle electronic control unit, or described industrial computer is directly communicated by letter with vehicle electronic control unit by CAN communication module.
System is also provided with residual current circuit breaker, described residual current circuit breaker is to UPS (uninterrupted power source), the power supply of interchange expansion module, described UPS is to industrial computer, monitor power supply, and described interchange expansion module is to direct supply, desk type digital universal meter, signal generator, AC-DC modular converter, radiator fan power supply.
Described matrix module is connected with needle bed fixture with fictitious load.
Between described programmable power supply and direct current matrix switch, by scram button, be connected, described AC power is passed through residual current circuit breaker, through scram button, to UPS (uninterrupted power source), interchange expansion module, power, described UPS (uninterrupted power source) gives industrial computer, monitor power supply
Described high power switch group all adopts low voltage drive, heating radiator to install, the enclosure top of this test macro is provided with radiator fan, described radiator fan is provided with independently gauge tap and run indicator, and described radiator fan feed circuit are provided with fuse security protection; Described industrial computer communicates by standard USB interface module and bar code scan rifle.
The utility model has the advantage of:
1, system adopts modular design, has extremely strong versatility and extendability, and relatively independent between modules, overall performance is more reliable, and the upgrading of separate modular can not affect the work of other modules;
2, system adopts various high precision measurement equipment and test module, and automaticity is high, greatly improves measuring accuracy and the efficiency of PCBA, greatly optimizes the rambling test link of production line, reduced mass management and control operation and method;
3, system has perfect self-checking function, when system initialization test crash, and stoppage protection at once, thus guarantee security of system, stable operation;
4, system has higher dirigibility design, and the embedded movable needle plate of needle bed fixture, to different test boards, only needs to change corresponding needle plate, and simultaneity factor has powerful programmable test function, adopts and automatically selects and arrange measuring state;
5, system, with the CAN communication double design of communicate by letter with KLINE, is adapted to test with the vehicle electronic control unit PCBA of different communication modes;
6, each equipment and module whole is rationally distributed, well arranged, compact conformation, integrated level are high in system cabinet, is applicable to being directly placed on production line and using.
Accompanying drawing explanation
Below the content of every width accompanying drawing expression in the utility model instructions and the mark in figure are briefly described:
Fig. 1 is test system structure block diagram;
Fig. 2 is DC power-supply system structured flowchart in test macro;
Fig. 3 is ac power supply system structured flowchart in test macro;
Mark in above-mentioned figure is: 1, industrial computer; 1-1, CAN communication module; 1-2, RS232 interface module; 1-3, GPIB communication module; 1-4, ADC modular converter; 1-5, GIO control module; 1-6, usb interface module; 2, direct supply; 2-1, programmable power supply; 2-2, large power supply; 3, desk type digital universal meter; 4, function signal generator; 5, matrix module; 5-1, power supply matrix module; 5-2, switch matrix module; 6, power adapting module; 6-1, DC-DC modular converter; 6-2, AC-DC modular converter; 7, communication switching module; 7-1, RS232-KLINE modular converter; 7-2, CAN-KLINE modular converter; 8, high power switch group; 9, electric current loop; 10, fictitious load; 11, needle bed fixture; 12, bar code scan rifle; 13, signal lamp; 13-1, exchange the indication that powers on; 13-2, programmable power supply power supply indication; 13-3, large power supply power supply indication; 13-4, test passes indication; Indication in 13-5, test; 13-6, test failure indication; 14, direct current matrix switch; 15, scram button; 16, residual current circuit breaker; 17, radiator fan 18, display 19, UPS; 20, exchange expansion module;
In figure:
represent unidirectional delivery route;
represent bi-directional route.
Embodiment
The utility model is a kind of function test system that is applied to vehicle electronic control unit, system provides various dry run environment for vehicle electronic control unit, make it work in various design points, thereby get the parameter of each state, thereby whether the function of checking vehicle electronic control unit conforms with designing requirement.
Known referring to Fig. 1, function test system comprises industrial computer 1, direct supply 2, desk type digital universal meter 3, signal generator 4, matrix module 5, power transfer module 6, communication transfer interface module 7, high power switch group 8, electric current loop 9, fictitious load 10, needle bed fixture 11, bar code scan rifle 12, signal lamp 13, direct current matrix switch 14, scram button 15, residual current circuit breaker 16, radiator fan 17, display 18, UPS19 (uninterrupted power source), exchange expansion module 20, wherein industrial computer 1 carries out input and output control by each interface module to each peripheral hardware, function test system hardware is divided into AC system and straight-flow system.
The interface module of industrial computer 1 comprises CAN communication module 1-1, RS232 interface module 1-2, GPIB communication module 1-3, ADC modular converter 1-4, GIO control module 1-5 and usb interface module 1-6, wherein industrial computer 1 communicates by CAN communication module 1-1 and communication transfer interface module 7, industrial computer 1 communicates by RS232 interface module 1-2 and direct supply 2, industrial computer 1 communicates by GPIB communication module 1-3 and desk type digital universal meter 3, industrial computer 1 is connected and carries out signals collecting with electric current loop 9 by high-precision adc modular converter 1-4, industrial computer 1 is connected and carries out input and output control with matrix module 5 by GIO control module 1-5, industrial computer 1 communicates by standard USB interface module 1-6 and bar code scan rifle 12.
Direct supply 2 comprises programmable power supply 2-1 and large power supply 2-2, and both timesharing are to different module for power supply in system.Wherein programmable power supply 2-1, by scram button 15, gives matrix module 5, DC-DC modular converter 6-1, communication transfer interface module 7 power supplies through direct current matrix switch 14; Large power supply 2-2 gives fictitious load 10 power supplies of system by high power switch group 8.
Matrix module 5 comprises power supply matrix module 5-1 and switch matrix module 5-2, and wherein power supply matrix module 5-1 comprises real-time power supply module 5-1-1 ,+9V insulating power supply module 5-1-2 ,+5V power module 5-1-3.Supply module 5-1-1 is for vehicle electronic control unit igniting power supply in real time, + 9V insulating power supply module 5-1-2 is used for controlling high power switch group 8, + 5V power module 5-1-3 is for switch matrix module 5-2 power supply, switch matrix module 5-2 is connected with desk type digital universal meter 3, be used for signal conversion and voltage, electric current, electric capacity, resistance measurement switching, to realize the measurement of various electric signal.
Power transfer module 6 comprises DC-DC modular converter 6-1 and AC-DC modular converter 6-2, and DC-DC modular converter 6-1 generation ± 15V voltage is to electric current loop 9 power supplies, and AC-DC modular converter 6-2 produces DC voltage to various signal lamp 13 power supplies.Signal lamp 13 comprises exchanging in the indication 13-1 that powers on, large power supply power supply indication 13-2, programmable power supply power supply indication 13-3, test passes indication 13-4, test indicates 13-5, test failure indication 13-6.The interchange indication 13-1 that powers on is used to indicate system and whether powers on, and programmable power supply power supply indication 13-2, large power supply power supply indication 13-3 are used to indicate system power supply and select state; In test passes indication 13-4, test, indicate 13-5, test failure indication 13-6 to be used to indicate the current test mode of material.
Communication transfer interface module 7 comprises RS232-KLINE modular converter 7-1 and CAN-KLINE modular converter 7-2.Industrial computer 1 is set up communication by RS232-KLINE modular converter 7-1 with vehicle electronic control unit and is connected, industrial computer 1 is connected communication by CAN-KLINE modular converter 7-2 with vehicle electronic control unit, or industrial computer 1 is directly communicated by letter with vehicle electronic control unit by CAN communication module 1-1.
Known referring to Fig. 2, direct supply 2 timesharing to matrix module 5, DC-DC modular converter 6-1, communication transfer interface module 7, fictitious load 10 power supplies in system.Matrix module 5 comprises power supply matrix module 5-1 and switch matrix module 5-2, power supply matrix module 5-1 comprises real-time power supply module 5-1-1 ,+9V insulating power supply module 5-1-2 ,+5V power module 5-1-3, + 9V insulating power supply module 5-1-2 is used for controlling high power switch group 8, and+5V power module 5-1-3 is for switch matrix module 5-2 power supply.
Known referring to Fig. 3, AC power, by residual current circuit breaker 16, is given UPS19, is exchanged expansion module 20 power supplies through scram button 15, and UPS19 is to industrial computer 1, display 18 power supplies.Exchange expansion module 20 to direct supply 2, desk type digital universal meter 3, signal generator 4, AC-DC modular converter 6-2, radiator fan 17 power supplies.
System adopts and exchanges and direct supply isolation design, and the normally closed synchro control of scram button two-way exchanges and direct current break-make.This external system adopts good heat dissipation design and safety prevention measure, and high power switch group 8 all adopts low voltage drive, heating radiator to install.Simultaneously enclosure top is provided with 2 groups of parallel radiator fans 17, radiator fan 17 be provided with independently switch control, with normal run indicator, radiator fan 17 feed circuit are provided with fuse security protection simultaneously.
After this function test system powers on, according to following control method work:
A, unlatching industrial computer 1;
B, unlatching multi-function multimeter 3;
C, unlatching function signal generator 4;
D, unlatching direct supply 2;
F, unlatching direct current matrix switch 14;
G, open test procedure;
H, scanner 12 read bar code;
I, PCBA is aligned and puts into needle bed fixture 11, and compress and connect;
J, operation industrial computer 1.
Thereby the various running environment that can simulated automotive electronic control unit provide, thus get the parameter of each state, thus whether the function of checking vehicle electronic control unit conforms with designing requirement.
By reference to the accompanying drawings the utility model is exemplarily described above; obviously the utility model specific implementation is not subject to the restrictions described above; as long as adopted the improvement of the various unsubstantialities that method of the present utility model design and technical scheme carry out; or without improving, design of the present utility model and technical scheme are directly applied to other occasion, all within protection domain of the present utility model.
Claims (9)
1. a function test system that is applied to vehicle electronic control unit, is characterized in that: comprise industrial computer (1), direct supply (2), desk type digital universal meter (3), matrix module (5), communication transfer interface module (7), electric current loop (9), fictitious load (10);
Described industrial computer (1) communicates by CAN communication module (1-1) and communication transfer interface module (7), by RS232 interface module (1-2) and direct supply (2), communicate, by GPIB communication module (1-3) and desk type digital universal meter (3), communicate, by high-precision adc modular converter (1-4), be connected and carry out signals collecting with electric current loop (9), by GIO control module (1-5), be connected and carry out input and output control with matrix module (5);
Described direct supply (2) comprises programmable power supply (2-1) and large power supply (2-2), described programmable power supply (2-1) is given matrix module (5), DC-DC modular converter (6-1), communication transfer interface module (7) power supply by direct current matrix switch (14), and described large power supply (2-2) is given fictitious load (10) power supply of system by high power switch group (8).
2. the function test system that is applied to vehicle electronic control unit according to claim 1, it is characterized in that: described matrix module (5) comprises power supply matrix module (5-1) and switch matrix module (5-2), described power supply matrix module (5-1) comprises the real-time power supply module (5-1-1) for vehicle electronic control unit igniting power supply, be used for controlling high power switch group (8)+9V insulating power supply module (5-1-2), and power for switch matrix module (5-2)+5V power module (5-1-3), described switch matrix module (5-2) is connected with desk type digital universal meter (3).
3. the function test system that is applied to vehicle electronic control unit according to claim 1 and 2, it is characterized in that: power transfer module (6) comprises DC-DC modular converter (6-1) and AC-DC modular converter (6-2), described DC-DC modular converter (6-1) is given electric current loop (9) power supply, and described AC-DC modular converter (6-2) is given various signal lamps (13) power supply.
4. the function test system that is applied to vehicle electronic control unit according to claim 3, is characterized in that: described signal lamp (13) comprise exchange indication (13-5) in the indication (13-1) that powers on, large power supply power supply indication (13-2), programmable power supply power supply indication (13-3), test passes indication (13-4), test, test failure is indicated (13-6).
5. the function test system that is applied to vehicle electronic control unit according to claim 3, it is characterized in that: described communication transfer interface module (7) comprises RS232-KLINE modular converter (7-1) and CAN-KLINE modular converter (7-2), described industrial computer (1) is set up communication by RS232-KLINE modular converter (7-1) with vehicle electronic control unit and is connected; Described industrial computer (1) is connected communication by CAN-KLINE modular converter (7-2) with vehicle electronic control unit, or described industrial computer (1) is directly communicated by letter with vehicle electronic control unit by CAN communication module (1-1).
6. the function test system that is applied to vehicle electronic control unit according to claim 5, it is characterized in that: system is also provided with residual current circuit breaker (16), described residual current circuit breaker (16) is given UPS(19), exchange expansion module (20) power supply, described UPS(19) give industrial computer (1), display (18) power supply, described interchange expansion module (20) is given direct supply (2), desk type digital universal meter (3), signal generator (4), AC-DC modular converter (6-2), radiator fan (17) power supply.
7. the function test system that is applied to vehicle electronic control unit according to claim 6, is characterized in that: described matrix module (5) is connected with needle bed fixture (11) with fictitious load (10).
8. the function test system that is applied to vehicle electronic control unit according to claim 7, it is characterized in that: between described programmable power supply (2-1) and direct current matrix switch (14), by scram button (15), be connected, described AC power is by residual current circuit breaker (16), through scram button (15), give UPS(19), exchange expansion module (20) power supply, described UPS(19) give industrial computer (1), display (18) power supply
9. the function test system that is applied to vehicle electronic control unit according to claim 8, it is characterized in that: described high power switch group (8) all adopts low voltage drive, heating radiator to install, the enclosure top of this test macro is provided with radiator fan (17), described radiator fan (17) is provided with independently gauge tap and run indicator, and described radiator fan (17) feed circuit are provided with fuse security protection; Described industrial computer (1) communicates by standard USB interface module (1-6) and bar code scan rifle (12).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320876814.2U CN203773347U (en) | 2013-12-29 | 2013-12-29 | Function test system applied to automobile electronic control unit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320876814.2U CN203773347U (en) | 2013-12-29 | 2013-12-29 | Function test system applied to automobile electronic control unit |
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| CN203773347U true CN203773347U (en) | 2014-08-13 |
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| CN201320876814.2U Expired - Lifetime CN203773347U (en) | 2013-12-29 | 2013-12-29 | Function test system applied to automobile electronic control unit |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103792935A (en) * | 2013-12-29 | 2014-05-14 | 芜湖伯特利电子控制系统有限公司 | Function test system applied to automobile electronic control unit and control method thereof |
| CN106802378A (en) * | 2017-03-06 | 2017-06-06 | 沈阳航天新光集团有限公司 | Adjustment protection control combination test system |
| CN107943010A (en) * | 2017-12-25 | 2018-04-20 | 苏州睿艾迪汽车科技有限公司 | FCT test devices based on motor simulation |
| CN107942995A (en) * | 2017-11-16 | 2018-04-20 | 联合汽车电子（重庆）有限公司 | ECU environment Durable test systems |
-
2013
- 2013-12-29 CN CN201320876814.2U patent/CN203773347U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103792935A (en) * | 2013-12-29 | 2014-05-14 | 芜湖伯特利电子控制系统有限公司 | Function test system applied to automobile electronic control unit and control method thereof |
| CN103792935B (en) * | 2013-12-29 | 2016-06-15 | 芜湖伯特利电子控制系统有限公司 | Function test system applied to automobile electronic control unit and control method thereof |
| CN106802378A (en) * | 2017-03-06 | 2017-06-06 | 沈阳航天新光集团有限公司 | Adjustment protection control combination test system |
| CN107942995A (en) * | 2017-11-16 | 2018-04-20 | 联合汽车电子（重庆）有限公司 | ECU environment Durable test systems |
| CN107943010A (en) * | 2017-12-25 | 2018-04-20 | 苏州睿艾迪汽车科技有限公司 | FCT test devices based on motor simulation |
| CN107943010B (en) * | 2017-12-25 | 2023-07-07 | 安徽皖南电机股份有限公司 | FCT testing device based on motor simulation |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140813 Effective date of abandoning: 20160615 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20140813 Effective date of abandoning: 20160615 |
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| C25 | Abandonment of patent right or utility model to avoid double patenting |