CN204575808U - A kind of IGBT drive circuit plate automatic testing equipment - Google Patents
A kind of IGBT drive circuit plate automatic testing equipment Download PDFInfo
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- CN204575808U CN204575808U CN201520315189.3U CN201520315189U CN204575808U CN 204575808 U CN204575808 U CN 204575808U CN 201520315189 U CN201520315189 U CN 201520315189U CN 204575808 U CN204575808 U CN 204575808U
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Abstract
The utility model relates to a kind of IGBT drive circuit plate automatic testing equipment, belongs to battery charge and discharge device control circuit board technical field of measurement and test.The utility model automatic testing equipment comprises: an interface board, it gathers relay switch signal and carries out light-coupled isolation and is input to digital signal DIO board, and the Transistor-Transistor Logic level signal isolation and amplifier simultaneously exported by digital signal DIO board is to tested IGBT drive circuit plate; One digital signal DIO board, it accepts through the relay switch signal of interface board collection and the digital signal after carrying out light-coupled isolation, and the Transistor-Transistor Logic level signal simultaneously exported is to interface board.The utility model advantage is: achieve IGBT drive circuit plate plate level and automatically test, thus greatly improves efficiency and the accuracy of IGBT drive circuit board test, reduces IGBT drive circuit plate production test cost.
Description
Technical field
The utility model relates to a kind of IGBT drive circuit plate automatic testing equipment, belongs to battery charge and discharge device control circuit board technical field of measurement and test.
Background technology
IGBT drive circuit plate is battery charge and discharge device important core ingredient, and can whether the quality of IGBT drive circuit plate quality directly affects battery charge and discharge device normally work.When battery charge and discharge device is produced in enormous quantities, the height of the board level test efficiency of IGBT drive circuit plate determines batch time of producing payment.Therefore, how effectively improving the board level test efficiency of IGBT drive circuit plate, is that current battery charge and discharge device produces the urgent problem faced in enormous quantities.In recent years along with the development of virtual instrument technique, the board level test engineering practice for IGBT drive circuit plate provides practicality and high efficiency technological approaches efficiently.
Utility model content
The purpose of this utility model is the inconvenience of the board level test overcoming conventional I GBT drive circuit board and lower work efficiency, provides a kind of IGBT drive circuit plate automatic testing equipment.
For achieving the above object, the technical solution of the utility model is:
A kind of IGBT drive circuit plate automatic testing equipment, is characterized in that: comprising:
One interface board: gather relay switch signal and carry out light-coupled isolation and be input to digital signal DIO board, the Transistor-Transistor Logic level signal isolation and amplifier simultaneously exported by digital signal DIO board is to tested IGBT drive circuit plate;
One digital signal DIO board: accept the relay switch signal through interface board collection and digital signal after carrying out light-coupled isolation, the Transistor-Transistor Logic level signal simultaneously exported is to interface board.
Further technical scheme is:
Described a kind of IGBT drive circuit plate automatic testing equipment, also has an automatic test module: be input in tested IGBT circuit board in order respectively by IGBT drive circuit board test input vector signal group, detect the output response signal of its feedback, by with normally exports response vector group contrast can the tested plank of automatic decision whether normally, while can also by localization of fault to being certain and door or driving chip.
Described a kind of IGBT drive circuit plate automatic testing equipment, its automatic test module comprises central processing element and the circuit-under-test lath shape code typing module be simultaneously connected with central processing element, test instruction sending module, test result output display module, testing journal sheet's print module, test data store and historical query module.
Use virtual instrument technique, design IGBT drive circuit plate automatic test module based on LabVIEW, the automatic testing equipment of the interface card composition of combined digital signal DIO card and designed, designed.Utilize this device to tested IGBT drive circuit plate input test signal Vector Groups, the normal response signal contrast of the information that tested IGBT drive circuit plate responds and varying input signal counterlogic will be detected, can go out IGBT drive circuit plate fault type and guilty culprit region (components and parts) by automatic decision, Fig. 2 is this programme IGBT drive circuit board test process flow diagram.
The beneficial effects of the utility model are: achieve IGBT drive circuit plate plate level and automatically test, thus greatly improve efficiency and the accuracy of IGBT drive circuit board test, reduce IGBT drive circuit plate production test cost.
Accompanying drawing explanation
Fig. 1 is conventional I GBT drive circuit board test flow chart;
Fig. 2 is the utility model IGBT drive circuit board test process flow diagram;
Fig. 3 is the utility model IGBT drive circuit plate automatic test module Organization Chart.
Embodiment
It is as follows that the utility model is described in further detail in conjunction with the accompanying drawings and embodiments:
A kind of IGBT drive circuit plate automatic testing equipment, comprising:
One interface board: gather relay switch signal and carry out light-coupled isolation and be input to digital signal DIO board, the Transistor-Transistor Logic level signal isolation and amplifier simultaneously exported by digital signal DIO board is to tested IGBT drive circuit plate;
One digital signal DIO board: accept the relay switch signal through interface board collection and digital signal after carrying out light-coupled isolation, the Transistor-Transistor Logic level signal simultaneously exported is to interface board;
One automatic test module: IGBT drive circuit board test input vector signal group is input in tested IGBT circuit board in order respectively, detect the output response signal of its feedback, by with normally exports response vector group contrast can the tested plank of automatic decision whether normally, while can also by localization of fault to being certain and door or driving chip.
Wherein, automatic test module comprises central processing element and the circuit-under-test lath shape code typing module be simultaneously connected with central processing element, test instruction sending module, test result output display module, testing journal sheet's print module, test data store and historical query module; Automatic test module on PC, designs IGBT drive circuit plate automatic test module based on LabVIEW.
It should be noted that
1, in test process, formulate a set of IGBT drive circuit board test input vector signal group according to principle of orthogonal test, normal output response vector group corresponding to each input vector can be obtained according to the circuit logic of drive plate.
2, IGBT drive circuit board test input vector signal group is input in tested IGBT circuit board by automatic test module in order respectively, detect the output response signal of its feedback, by with normally exports response vector group contrast can the tested plank of automatic decision whether normally, while can also by localization of fault to certain and the electronic devices and components such as door or driving chip.
Test test signal digital input signals, as follows respectively: O2_PWM1_OUT, O1_PWM1_OUT; O2_PWM2_OUT, O1_PWM2_OUT; O2_PWM3_OUT, O1_PWM3_OUT; O2_PWM4_OUT, O1_PWM4_OUT.
Test test signal digital output signal comprises drive output signal and fault output signal, and drive output signal is as follows respectively: I1_G1_A, I1_G2_A, I1_G3_A, I1_G4_A; Fault output signal is as follows respectively: ERR_1, ERR_2, ERR_3, ERR_4.
3, the coding rule of circuit-under-test lath shape code typing module is: date+batch+board type+plate sequence number, there is uniqueness characteristic, be convenient to review.
4, IGBT drive circuit plate automatic testing equipment tested object has 4 groups of IGBT to drive, as follows respectively: IGBT drives G1, IGBT to drive G2, IGBT to drive G3, IGBT to drive G4.
5, utilize this device to tested IGBT drive circuit plate input test signal Vector Groups, to the normal response signal contrast of the information that tested IGBT drive circuit plate responds and varying input signal counterlogic be detected, software can go out IGBT drive circuit plate fault type and guilty culprit region (components and parts) by automatic decision.Achieve IGBT drive circuit plate plate level automatically to test, thus greatly improve efficiency and the accuracy of IGBT drive circuit board test, reduce IGBT drive circuit plate production test cost.
The utility model claims is not limited to above-described embodiment.
Claims (3)
1. an IGBT drive circuit plate automatic testing equipment, is characterized in that: comprising:
One interface board: gather relay switch signal and carry out light-coupled isolation and be input to digital signal DIO board, the Transistor-Transistor Logic level signal isolation and amplifier simultaneously exported by digital signal DIO board is to tested IGBT drive circuit plate;
One digital signal DIO board: accept the relay switch signal through interface board collection and digital signal after carrying out light-coupled isolation, the Transistor-Transistor Logic level signal simultaneously exported is to interface board.
2. a kind of IGBT drive circuit plate automatic testing equipment according to claim 1, it is characterized in that: also have an automatic test module: be input in tested IGBT circuit board in order respectively by IGBT drive circuit board test input vector signal group, detect the output response signal of its feedback, by with normally exports response vector group contrast can the tested plank of automatic decision whether normally, while can also by localization of fault to being certain and door or driving chip.
3. a kind of IGBT drive circuit plate automatic testing equipment according to claim 2, is characterized in that: described automatic test module comprises central processing element and the circuit-under-test lath shape code typing module be simultaneously connected with central processing element, test instruction sending module, test result output display module, testing journal sheet's print module, test data store and historical query module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520315189.3U CN204575808U (en) | 2015-05-17 | 2015-05-17 | A kind of IGBT drive circuit plate automatic testing equipment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520315189.3U CN204575808U (en) | 2015-05-17 | 2015-05-17 | A kind of IGBT drive circuit plate automatic testing equipment |
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| CN204575808U true CN204575808U (en) | 2015-08-19 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105511449A (en) * | 2015-12-31 | 2016-04-20 | 清华大学苏州汽车研究院（吴江） | Testing system of SMT driving board of automobile controller |
| CN106370968A (en) * | 2016-10-10 | 2017-02-01 | 中国矿业大学 | IGBT open circuit fault positioning method for three-phase four-wire system three-leg three-level SVG |
| CN110045270A (en) * | 2019-05-11 | 2019-07-23 | 宁波吉田智能洁具科技有限公司 | Integral type detects encapsulating line |
| CN110488178A (en) * | 2019-08-27 | 2019-11-22 | 厦门炬研电子科技有限公司 | A kind of circuit board automatic testing circuit |
-
2015
- 2015-05-17 CN CN201520315189.3U patent/CN204575808U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105511449A (en) * | 2015-12-31 | 2016-04-20 | 清华大学苏州汽车研究院（吴江） | Testing system of SMT driving board of automobile controller |
| CN105511449B (en) * | 2015-12-31 | 2018-03-27 | 清华大学苏州汽车研究院（吴江） | A kind of test system of automobile controller SMT driving plates |
| CN106370968A (en) * | 2016-10-10 | 2017-02-01 | 中国矿业大学 | IGBT open circuit fault positioning method for three-phase four-wire system three-leg three-level SVG |
| CN106370968B (en) * | 2016-10-10 | 2018-02-09 | 中国矿业大学 | The bridge arm tri-level SVG of three-phase four-wire system three IGBT open fault localization methods |
| CN110045270A (en) * | 2019-05-11 | 2019-07-23 | 宁波吉田智能洁具科技有限公司 | Integral type detects encapsulating line |
| CN110045270B (en) * | 2019-05-11 | 2024-05-17 | 宁波吉田智能洁具科技有限公司 | Integrated detection glue filling line |
| CN110488178A (en) * | 2019-08-27 | 2019-11-22 | 厦门炬研电子科技有限公司 | A kind of circuit board automatic testing circuit |
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