CN205193241U - Take optoelectronic isolation's armature integrated test device - Google Patents
Take optoelectronic isolation's armature integrated test device Download PDFInfo
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- CN205193241U CN205193241U CN201520873395.6U CN201520873395U CN205193241U CN 205193241 U CN205193241 U CN 205193241U CN 201520873395 U CN201520873395 U CN 201520873395U CN 205193241 U CN205193241 U CN 205193241U
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Abstract
The utility model relates to a take optoelectronic isolation's armature integrated test device, including high -voltage insulation test module, insulation test module, turn to turn pulse width shock -testing module, coil resistance test module, welding resistance test module, input/output control module and matrix switching module, high -voltage insulation test module, insulation test module, turn to turn pulse width shock -testing module, coil resistance test module, welding resistance test module, input/output control module and matrix switching module establish ties respectively behind the optoelectronic isolation circuit through CAN bus and upper industrial computer communication connection, improve armature insulation test 0's insulation test 1 ability greatly.
Description
Technical field
The utility model relates to armature technical field of measurement and test, is specifically related to a kind of armature comprehensive test device with Phototube Coupling.
Background technology
Armature is the core component of direct current generator, and its structure and manufacturing process are quite complicated, so be necessary to test the properties of armature before assembling.Owing to needing to test the multinomial performance of armature, the proving installation according to single test function is tested, then need to switch multiple different testing apparatus, testing efficiency is low, and testing cost is high.For this reason, market has engendered the proving installation comprising multinomial test function.The proving installation comprising multinomial test function is respectively arranged with multiple independently test module and communicates to connect with host computer respectively.As comprised the test functions such as coil resistance test, welding kesistance test, diagonal angle resistance test, voltage-withstand test, Insulation test, the shock-testing of turn-to-turn pulsewidth.And the communication reliability between proving installation its inner each module and host computer comprising multinomial test function in prior art is low, and then affect accuracy and the testing efficiency of test result.In addition, between the connected node of upper industrial computer and other modules inner, interference phenomenon is serious, may occur that high voltage surge disturb, cause proving installation internal components to burn out, seriously time can fire hazard.
Utility model content
The purpose of this utility model overcomes shortcomings and deficiencies of the prior art, provides a kind of armature comprehensive test device with Phototube Coupling, anti-electromagnetic interference capability is good, security is good, communication reliability is high.
The purpose of this utility model is achieved through the following technical solutions: a kind of armature comprehensive test device with Phototube Coupling, comprise voltage-withstand test module, Insulation test module, turn-to-turn pulsewidth shock-testing module, coil resistance test module, welding kesistance test module, input/output control module and Inverse problem module, described voltage-withstand test module, Insulation test module, turn-to-turn pulsewidth shock-testing module, coil resistance test module, welding kesistance test module, input/output control module and Inverse problem module are connected respectively after a photoelectric isolating circuit and are communicated to connect by CAN and upper industrial computer.
Particularly, described photoelectric isolating circuit adopts optocoupler 6N137 isolating device, and photoelectric coupled circuit both sides can resist the high voltage surge of 2500V to disturb, and ensures that CAN and each module safety stably work.
Particularly, described upper industrial computer is connected with CAN by USBCAN interface.
Particularly, described CAN is CANBUS twisted-pair feeder.
Particularly, described voltage-withstand test module, Insulation test module, turn-to-turn pulsewidth shock-testing module concentrated setting, in the first test board, make armature comprehensive test device compact conformation, and classification simultaneously focuses in corresponding test board and greatly improves testing efficiency.
Particularly, described coil resistance test module, welding kesistance test module concentrated setting, in the second test board, make armature comprehensive test device compact conformation, and classification simultaneously focuses in corresponding test board and greatly improves testing efficiency.
Particularly, described first test board, the second test board, input/output control module and Inverse problem module are connected respectively after a common mode filtering circuit and are connected with CAN, described common mode filtering circuit adopts the special common mode filtering inductance of B82793, CAN greatly reduces the common mode interference between each module, even if also can stably transmit data to industry control host computer when common mode interference is serious.
Particularly, described common mode filtering inductance is magnet ring inductance.
Particularly, a described USBCAN interface surge protection circuit in parallel, protection USBCAN interface chip.
Particularly, the high-pressure side of a described USBCAN interface and low pressure end surge protection circuit in parallel respectively.
Particularly, described surge protection circuit is that a transient state over the ground suppresses protection diode, absorbs the surge voltage more than 5.5V in CAN, protection USBCAN interface chip.
The utility model comprises following advantage and beneficial effect compared to existing technology:
(1) voltage-withstand test module of the present utility model, Insulation test module, turn-to-turn pulsewidth shock-testing module, coil resistance test module, welding kesistance test module, input/output control module and Inverse problem module are connected respectively after a photoelectric isolating circuit and are communicated to connect by CAN and upper industrial computer, greatly improve the anti-electromagnetic interference capability of armature comprehensive test device, adopt CAN to guarantee that the communication reliability of high proving installation is high simultaneously, test result is accurate, testing efficiency is high, and the good function expansibility of proving installation, be applicable to the complex environment of commercial Application.
(2) described first test board, the second test board, input/output control module and Inverse problem module are connected respectively after a common mode filtering circuit and are connected with CAN, CAN greatly reduces the common mode interference between each module, even if also can stably transmit data to industry control host computer when common mode interference is serious.
(3) by a USBCAN interface surge protection circuit in parallel, the surge voltage more than 5.5V in CAN is absorbed, protection USBCAN interface chip.
Accompanying drawing explanation
Fig. 1 is the theory diagram of the utility model embodiment;
Fig. 2 is the circuit theory diagrams of the present embodiment photoelectric isolating circuit;
Fig. 3 is the circuit theory diagrams of the present embodiment common mode filtering circuit;
Fig. 4 is the circuit theory diagrams of the present embodiment surge protection circuit.
Embodiment
Below in conjunction with embodiment and accompanying drawing, the utility model is described in further detail, but embodiment of the present utility model is not limited thereto.
Embodiment
As shown in Figure 1, with an armature comprehensive test device for Phototube Coupling, comprise voltage-withstand test module, Insulation test module, turn-to-turn pulsewidth shock-testing module, coil resistance test module, welding kesistance test module, input/output control module, Inverse problem module and photoelectric isolating circuit.In the present embodiment, described voltage-withstand test module, Insulation test module, turn-to-turn pulsewidth shock-testing module concentrated setting are in the first test board, described coil resistance test module, welding kesistance test module concentrated setting are in the second test board, make armature comprehensive test device compact conformation, classification simultaneously focuses in corresponding test board and greatly improves testing efficiency.
As shown in Figure 1, in the present embodiment, described first test board, the second test board, input/output control module and Inverse problem module are connected successively respectively after a common mode filtering circuit and a photoelectric isolating circuit and are connected to CAN, and CAN is connected with upper industrial computer by USBCAN interface.Photoelectric isolating circuit is adopted greatly to improve the anti-electromagnetic interference capability of armature comprehensive test device; Employing common mode filtering circuit reduces the common mode interference between each module greatly, even if CAN also can stably transmit data to industry control host computer when common mode interference is serious.Described upper industrial computer is connected with CAN by USBCAN interface, and described CAN is CANBUS twisted-pair feeder.Described voltage-withstand test module, Insulation test module, turn-to-turn pulsewidth shock-testing module, coil resistance test module, welding kesistance test module receive the steering order of input/output control module and detect corresponding data, and detected data are uploaded to industry control host computer by CAN analyze.
As shown in Figure 2, described photoelectric isolating circuit adopts optocoupler 6N137 isolating device.On the left of light-coupled isolation device U48, the light-emitting diodes tube anode of optocoupler inside connects 5V power supply, negative electrode connects CANTX1 (input TTL drive singal) by resistance R158, when the TTL drive singal of CAN_TX1 input is high level, light emitting diode NC is not luminous, photosensitive receiving unit on the right side of light-coupled isolation device U48 does not receive light signal, and its output terminal CAN_TX exports high level; When the TTL drive singal of CAN_TX1 input is low level, light emitting diode NC is luminous, and the photosensitive part on the right side of light-coupled isolation device U48 receives light signal, its output terminal CAN_TX output low level.Described light-coupled isolation device U49 is identical with light-coupled isolation device U48 principle, and input and output are reverse.DC-DC power source isolating converter T1 provides the power supply of isolation for light-coupled isolation device, for light-coupled isolation device is powered, saves the externally fed circuit of buffer circuit part.Photoelectric coupled circuit both sides can resist the high voltage surge of 2500V to disturb, and ensure that CAN and each module safety stably work.
As shown in Figure 3, described common mode filtering circuit adopts the special common mode filtering inductance of B82793S513, the special common mode filtering inductance of described B82793S513 is carried on PCB, in the present embodiment, described common mode filtering inductance is a magnet ring inductance comprising two coils, two groups of coils of magnet ring inductance are parallel above magnet ring, two groups of coil full symmetrics.When two coils flow through identical current signal, namely from the common mode interference signal of CANH and CANL input, symmetrical electric current flows through magnet ring inductance, and the induction reactance of magnet ring inductance increases, and blocks common-mode signal.
As shown in Figure 4, in the present embodiment, the high-pressure side of a described USBCAN interface and low pressure end surge protection circuit in parallel respectively.Described surge protection circuit is that a transient state over the ground suppresses protection diode.CANH and CANL two lines of CAN can introduce the interference of outside surge; this surge current is easy to damage CAN interface element; CANH and CANL in interface element port connect separately a surge absoption diode E2 can in CAN more than the surge voltage clamper of 5.5V at 5.5V; thus surge current is sponged; make the voltage of USBCAN interface chip I/O port be no more than 5.5V, protection interface chip is not damaged by surge current.
The above embodiment only have expressed embodiment of the present utility model, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the utility model the scope of the claims.It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be as the criterion with claims.
Claims (10)
1. the armature comprehensive test device with Phototube Coupling, it is characterized in that: comprise voltage-withstand test module, Insulation test module, turn-to-turn pulsewidth shock-testing module, coil resistance test module, welding kesistance test module, input/output control module and Inverse problem module, described voltage-withstand test module, Insulation test module, turn-to-turn pulsewidth shock-testing module, coil resistance test module, welding kesistance test module, input/output control module and Inverse problem module are connected respectively after a photoelectric isolating circuit and are communicated to connect by CAN and upper industrial computer.
2. armature comprehensive test device according to claim 1, is characterized in that: described photoelectric isolating circuit adopts optocoupler 6N137 isolating device.
3. armature comprehensive test device according to claim 2, is characterized in that: described upper industrial computer is connected with CAN by USBCAN interface.
4. armature comprehensive test device according to claim 3, is characterized in that: described CAN is CANBUS twisted-pair feeder.
5. the armature comprehensive test device according to any one of claim 1-4, is characterized in that: described voltage-withstand test module, Insulation test module, turn-to-turn pulsewidth shock-testing module concentrated setting are in the first test board.
6. armature comprehensive test device according to claim 5, is characterized in that: described coil resistance test module, welding kesistance test module concentrated setting are in the second test board.
7. armature comprehensive test device according to claim 6, it is characterized in that: described first test board, the second test board, input/output control module and Inverse problem module are connected respectively after a common mode filtering circuit and be connected with CAN, and described common mode filtering circuit adopts the special common mode filtering inductance of B82793.
8. armature comprehensive test device according to claim 7, is characterized in that: described common mode filtering inductance is magnet ring inductance.
9. armature comprehensive test device according to claim 3, is characterized in that: a described USBCAN interface surge protection circuit in parallel.
10. armature comprehensive test device according to claim 9, is characterized in that: described surge protection circuit is that a transient state over the ground suppresses protection diode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520873395.6U CN205193241U (en) | 2015-11-02 | 2015-11-02 | Take optoelectronic isolation's armature integrated test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520873395.6U CN205193241U (en) | 2015-11-02 | 2015-11-02 | Take optoelectronic isolation's armature integrated test device |
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| Publication Number | Publication Date |
|---|---|
| CN205193241U true CN205193241U (en) | 2016-04-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520873395.6U Expired - Fee Related CN205193241U (en) | 2015-11-02 | 2015-11-02 | Take optoelectronic isolation's armature integrated test device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108872706A (en) * | 2017-05-09 | 2018-11-23 | 上海东缘机电设备有限公司 | The insulation of nuclear power station driving mechanism and direct resistance metering instrument |
-
2015
- 2015-11-02 CN CN201520873395.6U patent/CN205193241U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108872706A (en) * | 2017-05-09 | 2018-11-23 | 上海东缘机电设备有限公司 | The insulation of nuclear power station driving mechanism and direct resistance metering instrument |
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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: 20160427 Termination date: 20181102 |