CN204116445U - Based on the electric current and voltage synchronous test system that IGBT drive plate controls automatically - Google Patents
Based on the electric current and voltage synchronous test system that IGBT drive plate controls automatically Download PDFInfo
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- CN204116445U CN204116445U CN201420434222.XU CN201420434222U CN204116445U CN 204116445 U CN204116445 U CN 204116445U CN 201420434222 U CN201420434222 U CN 201420434222U CN 204116445 U CN204116445 U CN 204116445U
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Abstract
The utility model discloses a kind of electric current and voltage synchronous test system automatically controlled based on IGBT drive plate, it is characterized in that, comprise signal generating module, first output terminal of described signal generating module is connected with tested IGBT drive plate by IGBT driving control unit, second output terminal of described signal generating module is connected with multi-analog switching gate unit, the output terminal of described multi-analog switching gate unit is connected with display module, and the input end of described multi-analog switching gate unit is also connected with the corresponding test point of tested IGBT drive plate.The action of native system timing automatic control IGBT drive plate, the electric current and voltage value of test point when detecting in real time simultaneously and show tested IGBT drive plate current action.Achieve and automatically control to replace controlling manually, automatically detect and replace manual detection, easy to operate, error rate is little, can not only greatly improve leak control and check efficiency, and can also effectively save production cost.
Description
Technical field
The utility model relates to control circui and technical field of measurement and test, is specifically related to a kind of electric current and voltage synchronous test system automatically controlled based on IGBT drive plate.
Background technology
Along with the raising of current industrial production efficiency, to the control of circuit and the requirement of test also more and more higher, for operation and the test of IGBT drive plate, still test man's manual operation test I GBT drive plate of production line at present, use multimeter to detect the voltage and current test point of IGBT drive plate one by one, the mode of this traditional Non-follow control and test can not meet the beat of current production far away.Especially, when needs carry out batch testing to circuit time, the efficiency of this test mode will be very low, if adopt multiple multimeter to test together, can increase again the cost of whole test, cause the waste of resource; Also there is inevitably carelessness and error by manual control and test simultaneously.
Summary of the invention
In order to overcome above-mentioned the deficiencies in the prior art, the purpose of this utility model is to provide the action of a kind of timing automatic control IGBT drive plate and the electric current and voltage test point corresponding to this drive plate carries out the system of synchronism detection.
To achieve these goals, the technical solution adopted in the utility model is:
Based on the electric current and voltage synchronous test system that IGBT drive plate controls automatically, it is characterized in that, comprise signal generating module, first output terminal of described signal generating module is connected with tested IGBT drive plate by IGBT driving control unit, second output terminal of described signal generating module is connected with multi-analog switching gate unit input end, the output terminal of described multi-analog switching gate unit is connected with display module, and the input end of described multi-analog switching gate unit is also connected with the corresponding test point of tested IGBT drive plate.
Wherein, described signal generating module comprises the unit of testing and controlling, pulse signal generator and the synchronous counting unit that are connected successively, and described synchronous counting unit two output terminals are connected with multi-analog switching gate unit with described IGBT driving control unit respectively.
Wherein, described display module comprises voltage tester display unit and testing current display unit.
As the further improvement of such scheme, described unit of testing and controlling adopts the start button of band self-locking.
As the further improvement of such scheme, described pulse signal generator is primarily of 555 timers and peripheral resistance, electric capacity formation.
As the further improvement of such scheme, the ON-OFF control circuit that described IGBT driving control unit adopts code translator and optocoupler to form.
As the further improvement of such scheme, described multi-analog switching gate unit is formed primarily of analog switch and relay.
As the further improvement of such scheme, described voltage tester display unit adopts the voltage indicator gauge of band A/D translation function; Described testing current display unit adopts the electric current indicator gauge of band A/D translation function.
The beneficial effects of the utility model: the test macro timing automatic control IGBT drive plate action that the utility model controls automatically based on IGBT drive plate, the tested passage that gating tested IGBT drive plate is corresponding simultaneously, real-time detection and the electric current and voltage value of test point when showing tested IGBT drive plate current action, achieve and automatically control to replace controlling manually, automatic detection replaces manual detection, easy to operate, error rate is little, can not only greatly improve leak control and check efficiency, and can also effectively save production cost.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the utility model embodiment, below the accompanying drawing used required in describing embodiment is briefly described.Obviously, described accompanying drawing is a part of embodiment of the present utility model, instead of whole embodiments, those skilled in the art under the prerequisite not paying creative work, other design proposals that can also obtain according to these accompanying drawings and accompanying drawing:
Fig. 1 is the schematic block circuit diagram of the utility model preferred embodiment;
Fig. 2 is the circuit theory diagrams of IGBT driving control unit preferred embodiment in the utility model;
Fig. 3 is the circuit theory diagrams of multi-analog switching gate unit preferred embodiment in the utility model.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described further:
With reference to Fig. 1, the electric current and voltage synchronous test system that the utility model controls automatically based on IGBT drive plate, comprises signal generating module 1, IGBT driving control unit 2, multi-analog switching gate unit 3 and display module 4.Wherein, described signal generating module 1 comprises, unit of testing and controlling 11, pulse signal generator 12 and synchronous counting unit 13, and described display module 4 comprises voltage tester display unit 41 and testing current display unit 42.
Described unit of testing and controlling 11 is connected with the input end of pulse signal generator 12, control wave generator 12 start and stop work.In the present embodiment, this unit of testing and controlling 11 can adopt the start button of band self-locking, and button is pressed and unclamps rear self-locking and closes, and pulse signal generator 12 is started working.Button is pressed again once to be disconnected afterwards, and pulse signal generator 12 quits work.
Described pulse signal generator 12 output terminal is connected with synchronous counting unit 13, according to beginning or the order that quits work of unit of testing and controlling 11, sends or stops sending timing pip to synchronous counting unit 13.In the present embodiment, pulse signal generator 12 can be made up of, by adjusting the configuration of its peripheral resistance, capacitance parameter, the output of the timing pulse signal required for realization 555 timers and peripheral resistance, electric capacity.
The output terminal of described synchronous counting unit 13 is connected with IGBT driving control unit 2 and multi-analog switching gate unit 3 respectively, the timing pip that return pulse signal generator 12 sends, the action of control IGBT driving control unit 2, controls multi-analog switching gate unit 3 simultaneously and selects the tested passage of tested IGBT drive plate.In the present embodiment, synchronous counting unit 13 is formed primarily of synchronous counter, and received timing pulse, output valve is corresponding adds one.
With further reference to Fig. 2, the output terminal of described IGBT driving control unit 2 is connected with tested IGBT drive plate, controls the action of tested IGBT drive plate according to the output signal of synchronous counting unit 13.In the present embodiment, the ON-OFF control circuit that IGBT driving control unit 2 adopts code translator U21 and optocoupler U22 to form, input end A, B, C of described code translator U21 and G2A are connected with A3 with the output terminals A 0 of synchronous counting unit 13, A1, A2 respectively, output terminal DRV_IN1, DRV_IN2 of described optocoupler U22 ... DRV_IN8 is connected with tested IGBT drive plate.
With further reference to Fig. 3, the input end of described multi-analog switching gate unit 3 is connected with the corresponding test point of synchronous counting unit 13 with tested IGBT drive plate respectively, according to the tested passage of signal gating that synchronous counting unit 13 exports, receive voltage or current signal that tested IGBT drive plate needs test under IGBT driving control unit 2 controls.In the present embodiment, multi-analog switching gate unit 3 is formed primarily of the first analog switch U31, the second analog switch U32 and relay, input end A, B, C of described first analog switch U31 and the second analog switch U32 are all connected with the output terminals A 0 of synchronous counting unit 13, A1, A2, and the output terminal X of analog switch U31, U32 is connected with testing current display unit 42 with voltage tester display unit 41 respectively.The passage corresponding according to output valve gating analog switch U31, U32 of synchronous counting unit 13, electric current and voltage value corresponding for this test channel is transferred to voltage tester display unit 41 and testing current display unit 42, during test larger current, with relay as conducting medium.
Described voltage tester display unit 41 is connected with the output terminal of multi-analog switching gate unit 3, carries out the test of voltage and show the test channel be strobed.In the present embodiment, voltage tester display unit 41 is the voltage indicator gauge of band A/D translation function, and correct test and display are strobed the magnitude of voltage of test point.
Described testing current display unit 42 is connected with the output terminal of multi-analog switching gate unit 3, carries out the test of electric current and show the test channel be strobed.In the present embodiment, testing current display unit 42 is the electric current indicator gauge of band A/D translation function, and correct test and display are strobed the current value of test point.
Principle of work of the present utility model:
After the button of unit of testing and controlling 11 is pressed and closes, pulse signal generator 12 starts to send timing pip to synchronous counting unit 13, synchronous counting unit 13 often receives the rising edge of a timing pulse signal, output valve is corresponding adds 1, export to the corresponding change of signal of IGBT driving control unit 2, thus control the action of tested IGBT drive plate.Meanwhile, synchronous counting unit 13 exports to the corresponding change of signal of multi-analog switching gate unit 3, the test point that multi-analog switching gate unit 3 gating is corresponding, voltage tester display unit 41 and the voltage and current value of testing current display unit 42 to the test point be strobed are tested and show.
More than that better enforcement of the present utility model is illustrated, but the utility model is created and is not limited to described embodiment, those of ordinary skill in the art also can make all equivalent variations or replacement under the prerequisite without prejudice to the utility model spirit, as the utility model can be used in other measurands etc. needing control automatically and automatically detect electric current and voltage, these equivalent distortion or replacement are all included in the application's claim limited range.
Claims (9)
1. based on the electric current and voltage synchronous test system that IGBT drive plate controls automatically, it is characterized in that, comprise signal generating module (1), first output terminal of described signal generating module (1) is connected with tested IGBT drive plate by IGBT driving control unit (2), second output terminal of described signal generating module (1) is connected with multi-analog switching gate unit (3) input end, the output terminal of described multi-analog switching gate unit (3) is connected with display module (4), the input end of described multi-analog switching gate unit (3) is also connected with the corresponding test point of tested IGBT drive plate.
2. the electric current and voltage synchronous test system automatically controlled based on IGBT drive plate according to claim 1, it is characterized in that, described signal generating module (1) comprises unit of testing and controlling (11), pulse signal generator (12) and the synchronous counting unit (13) that order is successively connected, and the output terminal of described synchronous counting unit (13) is connected with multi-analog switching gate unit (3) with described IGBT driving control unit (2) respectively.
3. the electric current and voltage synchronous test system automatically controlled based on IGBT drive plate according to claim 1, is characterized in that, described display module (4) comprises voltage tester display unit (41) and testing current display unit (42).
4. the electric current and voltage synchronous test system automatically controlled based on IGBT drive plate according to claim 2, is characterized in that, described unit of testing and controlling (11) adopts the start button of band self-locking.
5. the electric current and voltage synchronous test system automatically controlled based on IGBT drive plate according to claim 2, is characterized in that, described pulse signal generator (12) is primarily of 555 timers and peripheral resistance, electric capacity formation.
6. the electric current and voltage synchronous test system automatically controlled based on IGBT drive plate according to claim 1, is characterized in that, the ON-OFF control circuit that described IGBT driving control unit (2) adopts code translator and optocoupler to form.
7. the electric current and voltage synchronous test system automatically controlled based on IGBT drive plate according to claim 1, is characterized in that, described multi-analog switching gate unit (3) is formed primarily of analog switch and relay.
8. the electric current and voltage synchronous test system automatically controlled based on IGBT drive plate according to claim 3, is characterized in that, described voltage tester display unit (41) adopts the voltage indicator gauge of band A/D translation function.
9. the electric current and voltage synchronous test system automatically controlled based on IGBT drive plate according to claim 3, is characterized in that, described testing current display unit (42) adopts the electric current indicator gauge of band A/D translation function.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420434222.XU CN204116445U (en) | 2014-08-01 | 2014-08-01 | Based on the electric current and voltage synchronous test system that IGBT drive plate controls automatically |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420434222.XU CN204116445U (en) | 2014-08-01 | 2014-08-01 | Based on the electric current and voltage synchronous test system that IGBT drive plate controls automatically |
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| CN204116445U true CN204116445U (en) | 2015-01-21 |
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Cited By (2)
| 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 |
| CN112684255B (en) * | 2020-12-23 | 2023-04-28 | 北京工业大学 | FPGA-controlled multi-path intelligent driving device and method for measuring thermal resistance matrix |
-
2014
- 2014-08-01 CN CN201420434222.XU patent/CN204116445U/en not_active Expired - Fee Related
Cited By (3)
| 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 |
| CN112684255B (en) * | 2020-12-23 | 2023-04-28 | 北京工业大学 | FPGA-controlled multi-path intelligent driving device and method for measuring thermal resistance matrix |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150121 Termination date: 20180801 |