CN104991211A - High-voltage direct-current power transmission light-controlled converter valve TVM plate automatic test equipment - Google Patents
High-voltage direct-current power transmission light-controlled converter valve TVM plate automatic test equipment Download PDFInfo
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- CN104991211A CN104991211A CN201510390954.2A CN201510390954A CN104991211A CN 104991211 A CN104991211 A CN 104991211A CN 201510390954 A CN201510390954 A CN 201510390954A CN 104991211 A CN104991211 A CN 104991211A
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Abstract
The invention relates to a piece of high-voltage direct-current power transmission light-controlled converter valve TVM plate automatic test equipment comprising a control unit, an alternating-current power supply unit, a voltage acquisition unit, an impulse voltage generation unit, and an RC circuit. The control circuit is connected with the alternating-current power supply unit and the impulse voltage generation unit in a control manner. The alternating-current power supply unit and the impulse voltage generation unit are connected with the RC circuit through a first voltage output branch and a second voltage output branch respectively. The RC circuit is connected with a voltage output port which is connected with a voltage input port corresponding to a TVM plate. The voltage acquisition unit is connected with the first voltage output branch and the second voltage output branch, and the voltage acquisition unit is further connected with the control unit. The control unit is connected with a back-check signal transmitting port of the TVM plate through a back-check signal receiving port. By using the TVM plate automatic test equipment to test a light-controlled converter valve TVM plate, automatic TVM test is realized, the test efficiency is improved, and the error probability is effectively reduced.
Description
Technical field
The invention belongs to ATE (automatic test equipment) field, be specifically related to a kind of D.C. high voltage transmission light-operated converter valve TVM plate ATE (automatic test equipment).
Background technology
Direct current transportation light-operated converter valve TVM plate is as the key components of light-operated converter valve controlling unit, and its stability, accuracy affect the reliability service of converter valve work.In practical engineering application, every grade of thyristor all needs outfit 1 block of TVM plate, and according to the difference of engineering electric pressure, required board number can reach thousands of pieces.Before input application, complete detection must be carried out to the voltage detecting function of each block TVM plate.
TVM plate voltage detecting mode of the prior art is manually detected by artificial each detecting step to each block TVM plate.This detection mode not only needs to drop into a large amount of personnel and testing apparatus, and also need the at substantial time, detection efficiency is on the low side; Meanwhile, owing to adopting manual detection, can cause occurring the wrong probability of very large detection.
Summary of the invention
The object of this invention is to provide a kind of D.C. high voltage transmission light-operated converter valve TVM plate ATE (automatic test equipment), in order to solve the detection mode detection efficiency problem on the low side of prior art.
For achieving the above object, the solution of the present invention comprises:
A kind of light-operated converter valve TVM board test apparatus, comprises control module, ac power supply unit, voltage acquisition unit, surge voltage generating unit and RC loop; Described control module is ac power supply unit and surge voltage generating unit described in control linkage respectively; Described ac power supply unit exports branch road with surge voltage generating unit respectively by the first voltage and is connected RC loop with the second voltage output branch road, described RC loop connects voltage output end mouth, and described voltage output end mouth is used for the voltage input end mouth corresponding with TVM plate and connects; Described voltage acquisition unit connects described first voltage and exports branch road and the second voltage output branch road; Described voltage acquisition unit also connects described control module, and described control module connects back inspection receiver port, and described time inspection receiver port is used for examining signal emission port be connected with returning of TVM plate.
Described control module comprises central processing module, out-of-limit signal comparison module, photoelectric signal transforming module and Ethernet link block; Described photoelectric signal transforming module returns inspection signal emission module number for connecting TVM plate, and described photoelectric signal transforming module connects described out-of-limit signal comparison module, and described out-of-limit signal comparison module connects central processing module; Described central processing module connects Ethernet link block; Described photoelectric conversion module examines signal for receiving and changing returning of TVM plate; Described out-of-limit signal comparison module is used for being compared with duty setting signal by the voltage signal of the ac power supply unit of voltage acquisition unit collection, surge voltage generating unit and transmitting CPU (central processing unit); Described central processing module is used for being carried out processing by signal and being transferred to backstage PC by Ethernet link block, and generates testing result.
Described control module also connects display device, and described device is for showing testing result.
Described voltage input end mouth and time inspection receiver port form TVM board test interface, described TVM board test interface connects TVM board fixer, the detection of TVM plate is carried out by this TVM board fixer, described stationary installation is provided with conversion switch and several installation sites, and described installation site is for assembling TVM plate to be measured; Described TVM board test interface connects described conversion switch by electric connector, and described conversion switch is used for TVM board test interface to be connected to realize respectively to the test of each TVM plate to be measured respectively with each installation site.
The invention has the beneficial effects as follows: by TVM plate ATE (automatic test equipment), light-operated converter valve TVM plate is tested, achieve the automatic test of TVM, improve testing efficiency, efficiently reduce probability of makeing mistakes.
Accompanying drawing explanation
Fig. 1 is the system construction drawing of the embodiment of the present invention;
Fig. 2 is the control module structural drawing of the embodiment of the present invention;
Fig. 3 is the operational flow diagram of the embodiment of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the present invention will be further described in detail.
As shown in Figure 1, light-operated converter valve TVM board test apparatus of the present invention, comprises control module, ac power supply unit, voltage acquisition unit, surge voltage generating unit and RC loop; Control module is control linkage ac power supply unit and surge voltage generating unit respectively; Ac power supply unit exports branch road with surge voltage generating unit respectively by the first voltage and is connected RC loop with the second voltage output branch road, described RC loop connects voltage output end mouth, and voltage output end mouth is used for the voltage input end mouth corresponding with TVM plate and connects; Voltage acquisition unit connects described first voltage and exports branch road and the second voltage output branch road; Voltage acquisition unit also connects described control module, and control module connects back inspection receiver port, returns inspection receiver port and is used for examining signal emission port be connected with returning of TVM plate.Described ac power supply unit returns checking functions for detecting the positive negative sense of TVM plate, and described surge voltage generating unit returns checking functions for detecting TVM plate BOD signal, and described voltage acquisition unit is used for gathering back inspection signal and moment voltage occurs.
As shown in Figure 2, described control module comprises central processing module, out-of-limit signal comparison module, photoelectric signal transforming module and Ethernet link block; Described photoelectric signal transforming module returns inspection signal emission module number for connecting TVM plate, and described photoelectric signal transforming module connects described out-of-limit signal comparison module, and described out-of-limit signal comparison module connects central processing module; Described central processing module connects Ethernet link block; Described photoelectric conversion module examines signal for receiving and changing returning of TVM plate; Described out-of-limit signal comparison module is used for being compared with duty setting signal by the voltage signal of the ac power supply unit of voltage acquisition unit collection, surge voltage generating unit and transmitting CPU (central processing unit); Described central processing module is used for being carried out processing by signal and being transferred to backstage PC by Ethernet link block, and generates testing result.
Because voltage is higher, described voltage acquisition unit needs to isolate with control module.Electric isolution can be carried out by Phototube Coupling or mutual inductor.
As shown in Figure 3, when carrying out TVM plate and detecting, by TVM plate access voltage output end mouth to be measured and time inspection receiver port, open described light-operated converter valve TVM plate ATE (automatic test equipment) afterwards.Main control unit first sends the instruction of ac power supply cell operation, applies high-voltage ac power in TVM plate corresponding port; Now, what the main control unit meeting automatic TVM of detection plate was uploaded returns inspection signal and judges.Afterwards, system cuts off AC power automatically, and issues the work order of surge voltage generating unit, applies an instantaneous surge voltage in TVM plate corresponding port, and what simultaneously main control unit also can detect that TVM plate uploads automatically returns inspection signal and judge.When test passes, output test result; When test failure, carry out defective reason investigation, and then output test result and defective reason.
In the above-described embodiments, described control module also connects display device, and described device for showing testing result, and generates test report automatically.
In the above-described embodiments, described voltage input end mouth and time inspection receiver port form TVM board test interface, described TVM board test interface connects TVM board fixer, the detection of TVM plate is carried out by this TVM board fixer, described stationary installation is provided with conversion switch and several installation sites, and described installation site is for assembling TVM plate to be measured; Described TVM board test interface connects described conversion switch by electric connector, and described conversion switch is used for TVM board test interface to be connected to realize respectively to the test of each TVM plate to be measured respectively with each installation site.System shows tested board sum, qualified sum, defective sum and defective reason.
Claims (4)
1. a light-operated converter valve TVM board test apparatus, is characterized in that: comprise control module, ac power supply unit, voltage acquisition unit, surge voltage generating unit and RC loop; Described control module is ac power supply unit and surge voltage generating unit described in control linkage respectively; Described ac power supply unit exports branch road with surge voltage generating unit respectively by the first voltage and is connected RC loop with the second voltage output branch road, described RC loop connects voltage output end mouth, and described voltage output end mouth is used for the voltage input end mouth corresponding with TVM plate and connects; Described voltage acquisition unit connects described first voltage and exports branch road and the second voltage output branch road; Described voltage acquisition unit also connects described control module, and described control module connects back inspection receiver port, and described time inspection receiver port is used for examining signal emission port be connected with returning of TVM plate.
2. light-operated converter valve TVM board test apparatus according to claim 1, is characterized in that: described control module comprises central processing module, out-of-limit signal comparison module, photoelectric signal transforming module and Ethernet link block; Described photoelectric signal transforming module returns inspection signal emission module number for connecting TVM plate, and described photoelectric signal transforming module connects described out-of-limit signal comparison module, and described out-of-limit signal comparison module connects central processing module; Described central processing module connects Ethernet link block; Described photoelectric conversion module examines signal for receiving and changing returning of TVM plate; Described out-of-limit signal comparison module is used for being compared with duty setting signal by the voltage signal of the ac power supply unit of voltage acquisition unit collection, surge voltage generating unit and transmitting CPU (central processing unit); Described central processing module is used for being carried out processing by signal and being transferred to backstage PC by Ethernet link block, and generates testing result.
3. light-operated converter valve TVM board test apparatus according to claim 1, it is characterized in that: described control module also connects display device, described device is for showing testing result.
4. light-operated converter valve TVM board test apparatus according to claim 1, it is characterized in that: described voltage input end mouth and time inspection receiver port form TVM board test interface, described TVM board test interface connects TVM board fixer, the detection of TVM plate is carried out by this TVM board fixer, described stationary installation is provided with conversion switch and several installation sites, and described installation site is for assembling TVM plate to be measured; Described TVM board test interface connects described conversion switch by electric connector, and described conversion switch is used for TVM board test interface to be connected to realize respectively to the test of each TVM plate to be measured respectively with each installation site.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510390954.2A CN104991211B (en) | 2015-07-06 | 2015-07-06 | A kind of light-operated converter valve TVM plate ATEs of D.C. high voltage transmission |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510390954.2A CN104991211B (en) | 2015-07-06 | 2015-07-06 | A kind of light-operated converter valve TVM plate ATEs of D.C. high voltage transmission |
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| CN104991211A true CN104991211A (en) | 2015-10-21 |
| CN104991211B CN104991211B (en) | 2017-11-21 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107144777A (en) * | 2017-04-19 | 2017-09-08 | 中国南方电网有限责任公司超高压输电公司昆明局 | A kind of high-pressure thyristor voltage monitoring board checking device and detection method |
| CN109613418A (en) * | 2019-01-02 | 2019-04-12 | 西安西电电力系统有限公司 | Thyristor valves high potential board test device and test method |
| CN111693919A (en) * | 2020-06-17 | 2020-09-22 | 南方电网科学研究院有限责任公司 | Test circuit and device of thyristor voltage monitoring board |
| CN112415296A (en) * | 2019-08-23 | 2021-02-26 | 西安诺瓦星云科技股份有限公司 | Test apparatus and test system |
| CN114993464A (en) * | 2022-08-03 | 2022-09-02 | 中国南方电网有限责任公司超高压输电公司广州局 | Optical power detection system of thyristor control unit of converter valve |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107144777A (en) * | 2017-04-19 | 2017-09-08 | 中国南方电网有限责任公司超高压输电公司昆明局 | A kind of high-pressure thyristor voltage monitoring board checking device and detection method |
| CN109613418A (en) * | 2019-01-02 | 2019-04-12 | 西安西电电力系统有限公司 | Thyristor valves high potential board test device and test method |
| CN112415296A (en) * | 2019-08-23 | 2021-02-26 | 西安诺瓦星云科技股份有限公司 | Test apparatus and test system |
| CN112415296B (en) * | 2019-08-23 | 2024-06-04 | 西安诺瓦星云科技股份有限公司 | Test equipment and test system |
| CN111693919A (en) * | 2020-06-17 | 2020-09-22 | 南方电网科学研究院有限责任公司 | Test circuit and device of thyristor voltage monitoring board |
| CN114993464A (en) * | 2022-08-03 | 2022-09-02 | 中国南方电网有限责任公司超高压输电公司广州局 | Optical power detection system of thyristor control unit of converter valve |
| CN114993464B (en) * | 2022-08-03 | 2023-09-15 | 中国南方电网有限责任公司超高压输电公司广州局 | Optical power detection system of thyristor control unit of converter valve |
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| CN104991211B (en) | 2017-11-21 |
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