CN205176176U - Ageing screening test device based on direct current transmission change of current valve thyristor control panel - Google Patents
Ageing screening test device based on direct current transmission change of current valve thyristor control panel Download PDFInfo
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- CN205176176U CN205176176U CN201521004926.4U CN201521004926U CN205176176U CN 205176176 U CN205176176 U CN 205176176U CN 201521004926 U CN201521004926 U CN 201521004926U CN 205176176 U CN205176176 U CN 205176176U
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- monitoring
- cabinet
- thyristor control
- low temperature
- damping circuit
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Abstract
The utility model provides an ageing screening test device based on direct current transmission change of current valve thyristor control panel, including high low temperature damp heat test chamber, to thyristor control panel temperature damp heat test, isolation transformer's one end is passed through power -supply distribution machine case and is connected with the damping circuit board, the other end with monitor quick -witted case and be connected, the one end of voltage regulator also is connected with the damping circuit board through power -supply distribution machine case, and the other end also is connected with the quick -witted case of monitoring, the damping circuit board inserts high low temperature damp heat test chamber through triggering the subassembly, monitoring quick -witted case and passing through the high low temperature damp heat test chamber of optical fiber access, synchronization signal machine case provides synchronization signal to the quick -witted case of monitoring. The utility model relates to an ageing screening test device based on direct current transmission change of current valve thyristor control panel has solved the difficult problem of thyristor control panel ageing tests live line work, compares simultaneously in actual change of current valve return circuit, and the electrical loss is low, and area is little, saves the cost, has reduced personnel operational risk.
Description
Technical field
The utility model relates to electric and electronic technical field, is specifically related to a kind of burn-in screen test unit based on direct-current transmission converter valve thyristor control plate.
Background technology
Thyristor control plate is called for short FM plate, FM plate can realize IGBT group and monitoring, forward overvoltage protection and
protection, the protection of thyristor Reverse recovery, discontinuous current defencive function, and thyristor level state and protection act state are sent to VBE by optical fiber, be the core cell of DC converter valve.FM board will inevitably cause thyristor level fault after losing efficacy, once inefficacy quantity exceedes redundancy requirement, the necessary interruption maintenance of current conversion station, can cause hundreds of millions of economic losses to country.
The burn-in screen of FM plate refers to puts into chamber carry out environmental test to using whole FM plate in whole engineering, is tested, reject defective and defective product by burn-in screen.Existing FM board burn-in screen test is directly put into by board to do high/low temperature, the environmental test such as damp and hot in incubator, live testing is carried out after having tested, can not under high/low temperature, the state such as damp and hot live line work, and particular device not under high/low temperature, humid tropical condition work defect cannot manifest, so indivedual defective board just possibly cannot screen and be installed on DC converter valve, there is larger hidden danger.
Summary of the invention
In order to meet the needs of prior art, the utility model provides a kind of burn-in screen test unit based on direct-current transmission converter valve thyristor control plate.
The technical solution of the utility model is:
Described device comprises high-and-low temperature humid heat test box, damping circuit plate, power distribution cabinet, isolating transformer, pressure regulator, synchronizing signal cabinet and monitoring cabinet;
Described high-and-low temperature humid heat test box, for placing described thyristor control plate, carries out temp. wet heating testing to it;
One end of described isolating transformer is connected with damping circuit plate by power distribution cabinet, and the other end is connected with monitoring cabinet; One end of described pressure regulator is also connected with damping circuit plate by described power distribution cabinet, and the other end is also connected with described monitoring cabinet;
Described damping circuit plate accesses high-and-low temperature humid heat test box by trigger elements;
Described monitoring cabinet is by intelligent acess high-and-low temperature humid heat test box, and described synchronizing signal cabinet provides synchronizing signal to monitoring cabinet.
Preferably, place 72 blocks of thyristor control plates in described high-and-low temperature humid heat test box, each thyristor control plate is connected with a damping circuit plate;
Each thyristor control plate is all connected with monitoring main frame by optical fiber, receives the IGBT group signal that described monitoring main frame issues, and sends the duty of thyristor control plate to it;
Preferably,
The number of described monitoring cabinet is three, and the number of synchronizing signal cabinet is one, and the two is arranged in FM status monitoring cabinet;
The number of described power distribution cabinet is three, is arranged in power distribution panel;
Described isolating transformer and pressure regulator are arranged in powering shelf;
Preferably, described monitoring machine case comprises 6 pieces of monitoring boards, and every block monitoring board monitors the duty of 6 blocks of thyristor control plates;
Preferably, described monitoring board adopts the triggering monitoring board in VBE;
Preferably, described power distribution cabinet, receives the voltage that described pressure regulator exports, powers to described damping circuit plate.
Compared with immediate prior art, excellent effect of the present utility model is:
1, in technical solutions of the utility model, isolating transformer can protect the personal safety of operating personnel, suppresses power supply clutter on the impact of damping circuit plate simultaneously;
2, in technical solutions of the utility model, by regulating the output voltage of pressure regulator, the two kind duties of thyristor control plate under normal work and overvoltage protection can be simulated;
3, in technical solutions of the utility model, monitoring cabinet and synchronizing signal cabinet group screen are installed, and take up an area little, and observation is convenient, and signal conformance is good;
4, in technical solutions of the utility model, the shelf higher slice of thyristor control plate in high-and-low temperature humid heat test box stacks, and makes temperature and humidity even respectively in thyristor management and control making sheet, avoids local temperature too high;
5, in technical solutions of the utility model, all parts of this device are all through electrostatic prevention process, and protection thyristor control plate avoids electrostatic influence;
6, in technical solutions of the utility model, thyristor control plate adopts optical fiber communication with monitoring cabinet, and antijamming capability is strong, and speed is fast, and precision is high;
7, in technical solutions of the utility model, monitoring cabinet and synchronizing signal cabinet adopt optical fiber communication, and antijamming capability is strong, and speed is fast, and precision is high;
8, a kind of burn-in screen test unit based on direct-current transmission converter valve thyristor control plate of providing of the utility model, solve a difficult problem for thyristor control plate aging test live line work, simultaneously compared to actual converter valve loop, electrical loss is low, floor area is little, save cost, reduce human users's risk;
9, a kind of burn-in screen test unit based on direct-current transmission converter valve thyristor control plate of providing of the utility model, the Centralizing inspection of board duty in thyristor control plate screening process in enormous quantities can be realized, star uses manpower and material resources sparingly, and stops artificial false retrieval and undetected phenomenon;
10, a kind of burn-in screen test unit based on direct-current transmission converter valve thyristor control plate of providing of the utility model, fails lower than 0.01% in engineer applied, saves time and cost.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is further illustrated.
Fig. 1: based on the burn-in screen test unit structural representation of direct-current transmission converter valve thyristor control plate in the utility model embodiment;
Fig. 2: FM status monitoring cabinet, power distribution panel and powering shelf schematic diagram in the utility model embodiment;
Fig. 3: damping circuit plate schematic diagram in the utility model embodiment;
Fig. 4: damping circuit plate fundamental diagram in the utility model embodiment;
Fig. 5: monitor cabinet schematic diagram in the utility model embodiment;
Fig. 6: based on the course of work schematic diagram of the burn-in screen test unit of direct-current transmission converter valve thyristor control plate in the utility model embodiment.
Embodiment
Be described below in detail embodiment of the present utility model, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Be exemplary below by the embodiment be described with reference to the drawings, be intended to for explaining the utility model, and can not be interpreted as restriction of the present utility model.
The embodiment of the burn-in screen test unit based on direct-current transmission converter valve thyristor control plate that the utility model provides as shown in Figure 1, is specially:
This burn-in screen test unit comprises high-and-low temperature humid heat test box, damping circuit plate, power distribution cabinet, isolating transformer, pressure regulator, synchronizing signal cabinet and monitoring cabinet.Wherein,
High-and-low temperature humid heat test box, for placing thyristor control plate, carries out temp. wet heating testing to it.
One end of isolating transformer is connected with damping circuit plate by power distribution cabinet, and the other end is connected with monitoring cabinet.
One end of pressure regulator is also connected with damping circuit plate by power distribution cabinet, and the other end is also connected with monitoring cabinet.
Damping circuit plate accesses high-and-low temperature humid heat test box by trigger elements.
Monitoring cabinet is by intelligent acess high-and-low temperature humid heat test box, and synchronizing signal cabinet provides synchronizing signal to monitoring cabinet.
One, high-and-low temperature humid heat test box
Thyristor control plate prevents on the shelf of both sides in high-and-low temperature humid heat test box, trigger elements is connected with thyristor control plate through the hole of high-and-low temperature humid heat test box both sides, each thyristor control plate is all connected with monitoring cabinet by two optical fiber, the IGBT group signal that an optical fiber issues for receiving monitoring main frame, another root optical fiber is used for sending duty to monitoring main frame.
Place 72 blocks of thyristor control plates in high-and-low temperature humid heat test box in the present embodiment, each thyristor control plate is connected with a damping circuit plate.
Two, damping circuit plate
Damping circuit plate, can loop for simulating thyristor control plate getting under engineering operating mode, because components and parts cost as larger in thyristor volume is higher in engineer applied, and drives the normal need of work of thyristor control plate to apply high voltage.By arranging damping circuit plate, greatly can reduce costs and floor area, and thyristor management and control making sheet just can be able to be driven normally to work at the voltage of below AC220V, more energy-conservationly also more can protect personal safety.
In the present embodiment, damping circuit plate is as shown in Figure 3, its principle of work as shown in Figure 3:
C1, C2, C3, Rd and Rx form damping circuit jointly, Rj1 and Rj2 is direct current equalizer circuit, Rj1 and Rj2 accesses TTM and measure for thyristor voltage, Rd and C2 accesses TTM for Large Copacity energy storage, C3 and Rx accesses TTM for fast fetching energy.
Three, power distribution cabinet
Power distribution cabinet, receives the voltage that pressure regulator exports, powers to damping circuit plate.
In the present embodiment, the number of power distribution cabinet is three, is arranged in power distribution panel, and 1 road power supply is divided into 72 tunnels to export to damping circuit plate by power distribution cabinet, for damping circuit plate provides working power.
Four, isolating transformer and pressure regulator
Isolating transformer and pressure regulator are arranged in powering shelf.Wherein
Isolating transformer is mainly for the protection of the safety of operating personnel;
Pressure regulator is used for that AC220V is adjusted to preset voltage and is sent as power distribution cabinet.
Five, synchronizing signal cabinet and monitoring cabinet
The number of monitoring cabinet is three, and the number of synchronizing signal cabinet is one, and the two is arranged in FM status monitoring cabinet.
Synchronizing signal cabinet is connected with monitoring cabinet by optical fiber, provides synchronizing signal to it.
In the present embodiment as shown in Figure 5, monitoring machine case comprises 6 pieces of monitoring boards, and every block monitoring board monitors the duty of 6 blocks of thyristor control plates.Every block monitoring board has 6 groups of light emitting diodes, often group has 3 light emitting diodes, three kinds of duties of these three light emitting diodes corresponding thyristor management and control making sheet.When thyristor control plate live line work light emitting diode from left to right successively representative get can normal, triggered as normal function normal, superpotential Trigger Function is normal.
In the present embodiment, monitoring board adopts the triggering monitoring board in described monitoring board employing VBE, the duty of FM plate in burn-in screen process is embodied intuitively by light emitting diode.
In the utility model, the operating process of burn-in screen test unit as shown in Figure 6, is specially:
1, the thyristor control plate completing outside visual inspection and first electric performance test is put into high-and-low temperature humid heat test box, every block thyristor control plate is connected with damping circuit plate by trigger elements, is connected with monitoring cabinet by optical fiber.
2, start monitoring cabinet, pressure regulator output voltage is adjusted to AC110V, observe the luminance of the light emitting diode on the monitoring board of monitoring cabinet, judge the duty of thyristor control plate; Pressure regulator output voltage is adjusted to AC220V, observes the luminance of the light emitting diode on the monitoring board of monitoring cabinet, judge the duty of thyristor control plate.
3, start high-and-low temperature humid heat test box, set the temperature and humidity parameter of high-and-low temperature humid heat test box, make the work in continuous 168 hours within it of thyristor control plate, until item environment off-test.
4, again start monitoring cabinet, pressure regulator output voltage is adjusted to AC110V, observe the luminance of the light emitting diode on the monitoring board of monitoring cabinet, judge the duty of thyristor control plate; Pressure regulator output voltage is adjusted to AC220V, observes the luminance of the light emitting diode on the monitoring board of monitoring cabinet, judge the duty of thyristor control plate.
5, all environmental tests carry out final electric performance test after terminating, without exception, illustrate that the thyristor control plate of this batch is tested by burn-in screen.
Finally should be noted that: described embodiment is only some embodiments of the present application, instead of whole embodiments.Based on the embodiment in the application, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the application's protection.
Claims (6)
1. the burn-in screen test unit based on direct-current transmission converter valve thyristor control plate, it is characterized in that, described device comprises high-and-low temperature humid heat test box, damping circuit plate, power distribution cabinet, isolating transformer, pressure regulator, synchronizing signal cabinet and monitoring cabinet;
Described high-and-low temperature humid heat test box, for placing described thyristor control plate, carries out temp. wet heating testing to it;
One end of described isolating transformer is connected with damping circuit plate by power distribution cabinet, and the other end is connected with monitoring cabinet; One end of described pressure regulator is also connected with damping circuit plate by described power distribution cabinet, and the other end is also connected with described monitoring cabinet;
Described damping circuit plate accesses high-and-low temperature humid heat test box by trigger elements;
Described monitoring cabinet is by intelligent acess high-and-low temperature humid heat test box, and described synchronizing signal cabinet provides synchronizing signal to monitoring cabinet.
2. burn-in screen test unit as claimed in claim 1, is characterized in that, place 72 blocks of thyristor control plates in described high-and-low temperature humid heat test box, each thyristor control plate is connected with a damping circuit plate;
Each thyristor control plate is all connected with monitoring main frame by optical fiber, receives the IGBT group signal that described monitoring main frame issues, and sends the duty of thyristor control plate to it.
3. burn-in screen test unit as claimed in claim 1, is characterized in that,
The number of described monitoring cabinet is three, and the number of synchronizing signal cabinet is one, and the two is arranged in FM status monitoring cabinet;
The number of described power distribution cabinet is three, is arranged in power distribution panel;
Described isolating transformer and pressure regulator are arranged in powering shelf.
4. burn-in screen test unit as claimed in claim 1, it is characterized in that, described monitoring machine case comprises 6 pieces of monitoring boards, and every block monitoring board monitors the duty of 6 blocks of thyristor control plates.
5. burn-in screen test unit as claimed in claim 4, is characterized in that, described monitoring board adopts the triggering monitoring board in VBE.
6. burn-in screen test unit as claimed in claim 1, is characterized in that, described power distribution cabinet, receives the voltage that described pressure regulator exports, powers to described damping circuit plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521004926.4U CN205176176U (en) | 2015-12-07 | 2015-12-07 | Ageing screening test device based on direct current transmission change of current valve thyristor control panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521004926.4U CN205176176U (en) | 2015-12-07 | 2015-12-07 | Ageing screening test device based on direct current transmission change of current valve thyristor control panel |
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| Publication Number | Publication Date |
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| CN205176176U true CN205176176U (en) | 2016-04-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521004926.4U Active CN205176176U (en) | 2015-12-07 | 2015-12-07 | Ageing screening test device based on direct current transmission change of current valve thyristor control panel |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107643777A (en) * | 2016-07-20 | 2018-01-30 | 湖南中车时代电动汽车股份有限公司 | Environment temperature method of adjustment and device for circuit board experiment |
| CN111060808A (en) * | 2019-12-26 | 2020-04-24 | 无锡锐科光纤激光技术有限责任公司 | Aging device and aging method for circuit board of pulse fiber laser |
-
2015
- 2015-12-07 CN CN201521004926.4U patent/CN205176176U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107643777A (en) * | 2016-07-20 | 2018-01-30 | 湖南中车时代电动汽车股份有限公司 | Environment temperature method of adjustment and device for circuit board experiment |
| CN111060808A (en) * | 2019-12-26 | 2020-04-24 | 无锡锐科光纤激光技术有限责任公司 | Aging device and aging method for circuit board of pulse fiber laser |
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