CN203661020U - Photoelectric heat tube valve group trigger board - Google Patents
Photoelectric heat tube valve group trigger board Download PDFInfo
- Publication number
- CN203661020U CN203661020U CN201320675230.9U CN201320675230U CN203661020U CN 203661020 U CN203661020 U CN 203661020U CN 201320675230 U CN201320675230 U CN 201320675230U CN 203661020 U CN203661020 U CN 203661020U
- Authority
- CN
- China
- Prior art keywords
- circuit
- trigger
- signal
- triggering
- pulse
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000001514 detection method Methods 0.000 claims abstract description 21
- 230000003287 optical effect Effects 0.000 claims abstract description 16
- 239000013307 optical fiber Substances 0.000 claims abstract description 13
- 238000007493 shaping process Methods 0.000 claims abstract description 7
- 230000000087 stabilizing effect Effects 0.000 claims abstract description 7
- 230000001960 triggered effect Effects 0.000 claims description 22
- 230000001681 protective effect Effects 0.000 claims description 18
- 230000005540 biological transmission Effects 0.000 claims description 11
- 230000015572 biosynthetic process Effects 0.000 claims description 6
- 239000000835 fiber Substances 0.000 claims description 4
- 230000015556 catabolic process Effects 0.000 abstract 4
- 230000017525 heat dissipation Effects 0.000 abstract 1
- 230000005855 radiation Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000036039 immunity Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000035800 maturation Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000005622 photoelectricity Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/30—Reactive power compensation
Abstract
The utility model relates to a photoelectric heat tube valve group trigger board comprising an optical receiving circuit, a triggering and shaping drive circuit, a strong trigger circuit, a current limiting circuit, a breakdown detection protection circuit, a normal trigger detection circuit, a returning and shaping drive circuit, an optical transmitting circuit, an energy taking circuit, a voltage stabilizing circuit and a voltage-stabilizing power supply, wherein a trigger pulse changes into a strong trigger signal after passing the board and is sent to a thyristor control electrode, forward direction overvoltage of the thyristor forms a secondary trigger pulse and a breakdown detection return signal through the breakdown detection protection circuit, and normal trigger voltage of the thyristor forms a normal trigger return signal through the normal trigger detection circuit and the returning and shaping drive circuit; a pulse box, a BOD protection unit and a breakdown detection unit in an electromagnetic trigger heat tube heat dissipation valve group are replaced; a simple structure is realized, the trigger pulse and a return pulse are transmitted through an optical fiber and control system, and the valve group is improved in interference resistance and stability.
Description
Technical field
The utility model relates to a kind of photoelectric heat pipe valve group trigger board, is applied to photoelectricity in the reactive power compensator below 10kV and triggers in heat pipe heat radiation valve group.
Background technology
Reactive power compensator below current domestic 10kV, the general valve group that adopts electromagnetism to trigger heat pipe heat radiation, this technology has continued a lot of years, mentality of designing maturation, stable, compact conformation, the valve group that electromagnetism triggers heat pipe heat radiation comprises thyristor unit, heat-pipe radiator unit, capacitor resistor unit, BOD protected location, puncture detecting unit, pulse housing unit and frame unit etc., heat pipe heat radiation does not need external equipment, more easy for installation than water-cooled, but owing to being electromagnetism triggering, it is exactly the trigger impulse that control system is sent, through the photoelectric conversion unit of extra pulse cabinet, impedance matching unit and pulse forming unit, trigger impulse is formed to high-octane trigger impulse, through pulse cable, through pulse box, form trigger impulse, trigger corresponding thyristor, simultaneously in order to protect thyristor, protect thyristor having added BOD protection box and punctured detecting unit.In this process, because trigger impulse is by triggering cable, belong to electric signal transmission, thus in transmitting procedure the energy different according to the loss of length of cable, sometimes also can be subject to the interference of on-the-spot high-voltage electromagnetic signal, cause the false triggering to thyristor; Owing to being that electromagnetism triggers, unit is many, complex structure simultaneously.
Utility model content
For solving the problem of prior art, the utility model provides a kind of photoelectric heat pipe valve group trigger board, has replaced electromagnetism and has triggered pulse box, the BOD protected location in heat pipe heat radiation valve group and puncture detecting unit, makes structure simpler; By optical fiber and control system transmission trigger impulse and return pulse, valve group anti-interference and stability are improved.
For achieving the above object, the utility model is achieved through the following technical solutions:
Photoelectric heat pipe valve group trigger board, comprises optical receiving circuit, triggering plastic drive circuit, strong circuits for triggering, current-limiting circuit, punctures detection protective circuit, triggered as normal testing circuit, returns plastic drive circuit, optical transmission circuit, gets energy circuit, voltage stabilizing circuit and stabilized voltage power supply.Start pulse signal is by trigger impulse optical fiber, optical fiber received block HR1, deliver to optical receiving circuit and be converted to the signal of telecommunication, together after triggering plastic drive circuit, form triggered as normal pulse signal with the reset signal of reset circuit, through strong circuits for triggering, be connected to the G end of thyristor unit again; The K of thyristor unit and RC can circuit formation get energy power supply through getting, and form stabilized voltage power supply through voltage stabilizing circuit; AK in thyristor unit is through current-limiting circuit, be divided into two-way voltage signal, return signal is detected through puncturing to detect protective circuit formation secondary trigger impulse and puncture in one tunnel, secondary triggering signal is delivered to strong circuits for triggering, another road is connected with triggered as normal testing circuit, return plastic drive circuit, forms triggered as normal return signal; Puncture and detect return signal and triggered as normal return signal and be all connected to optical transmission circuit, form return pulse, by light launching seat, through returning pulse fiber, deliver to control system.
The described detection protective circuit that punctures comprises puncture voltage acquisition cuicuit, puncture voltage testing circuit and shaping circuit.
Compared with prior art, the beneficial effects of the utility model are:
1) main task of photoelectric heat pipe valve group trigger board is the trigger impulse of sending by optical fiber receiving control system, respective thyristor in photoelectric heat pipe valve group sends trigger impulse, and generation return signal, send to control system, it receives and transmitted signal, all adopt Optical Fiber Transmission, strong interference immunity, working stability.
2) photoelectric heat pipe valve group trigger board has replaced pulse box, adopts multimode single-core fiber transmission trigger impulse and return pulse, has onboard corresponding optical fiber received block and optical fiber launching seat.
3) photoelectric heat pipe valve group trigger board has replaced BOD protected location; replace BOD protected location with puncturing detection protective circuit; replace BOD components and parts by electronics BOD; namely apply the principle of BOD components and parts; thyristor forward overvoltage detected by puncturing detection protective circuit; and send a triggering signal again the thyristor secondary not being triggered is triggered, protection in support triggers.
4) photoelectric heat pipe valve group trigger board has replaced and has punctured detecting unit, and the return signal of trigger board can make the state of control system monitoring thyristor unit, makes system run all right.In the time of the triggering signal fault-free of trigger board, can issue control system with triggered as normal return signal; In the time that the trigger impulse of trigger board has fault, puncture detection protective circuit and thyristor forward overvoltage detected, when sending a secondary triggering signal, also send one and puncture detection return pulse, give control system.
Brief description of the drawings
Fig. 1 is the structured flowchart of photoelectric heat pipe valve group trigger board;
Fig. 2 punctures the structured flowchart that detects protective circuit.
Embodiment
See Fig. 1; photoelectric heat pipe valve group trigger board, comprises optical receiving circuit, triggering plastic drive circuit, strong circuits for triggering, current-limiting circuit, punctures detection protective circuit, triggered as normal testing circuit, returns plastic drive circuit, optical transmission circuit, gets energy circuit, voltage stabilizing circuit and stabilized voltage power supply.Start pulse signal is by trigger impulse optical fiber, optical fiber received block HR1, deliver to optical receiving circuit and be converted to the signal of telecommunication, with the reset signal of reset circuit together after triggering plastic drive circuit, form triggered as normal pulse signal, through strong circuits for triggering, be connected to the thyristor control utmost point G end of thyristor unit again; The thyristor negative electrode utmost point K of thyristor unit and capacitance-resistance loop RC can circuit formation get energy power supply through getting, and form stabilized voltage power supply through voltage stabilizing circuit; Thyristor anode A K in thyristor unit is through current-limiting circuit, be divided into two-way voltage signal, return signal is detected through puncturing to detect protective circuit formation secondary trigger impulse and puncture in one tunnel, secondary triggering signal is delivered to strong circuits for triggering, another road is connected with triggered as normal testing circuit, return plastic drive circuit, forms triggered as normal return signal; Puncture and detect return signal and triggered as normal return signal and be all connected to optical transmission circuit, form return pulse, by light launching seat, through returning pulse fiber, deliver to control system.
Current-limiting circuit, after current limliting, is measured the voltage at thyristor two ends, in the time that triggering is normal, provides 100V threshold voltage value to triggered as normal testing circuit; In the time that triggering is undesired, provide 3700V threshold voltage value to puncturing detection protective circuit.
The effect of reset circuit is to form reset signal in the moment that switches on power, reset to the logic element that triggers plastic drive circuit, in order to avoid trigger the initial condition confusion of plastic drive circuit, have the function that stabilized voltage power supply (normally 10V) detects concurrently simultaneously, in the time that stabilized voltage power supply is down to a certain value, it can reset to logic element, and locking pulse.
The effect of strong circuits for triggering be triggering signal after compositing amplification tube amplifies, trigger impulse is converted to the strong trigger impulse of large electric current from logical signal, deliver to thyristor control utmost point G.
The effect that punctures detection protective circuit is to block the thyristor forward overvoltage being caused by any reason; and in the time that photoelectric heat pipe valve group trigger board triggered as normal pulse passage breaks down; protection in support triggers; in the time that thyristor forward overvoltage reaches certain value; puncturing detection protective circuit provides a secondary trigger impulse to the thyristor control utmost point, thereby makes thyristor conducting.
See Fig. 2; the described detection protective circuit that punctures comprises puncture voltage acquisition cuicuit, puncture voltage testing circuit and shaping circuit; obtain thyristor both end voltage by puncture voltage acquisition cuicuit; in the time that puncture voltage testing circuit detects that voltage exceedes 3700V; output punctures detection signal, is formed secondary trigger impulse and is punctured detect return pulse by shaping circuit.
Photoelectric heat pipe valve group trigger board mainly sends trigger impulse to thyristor, and produces return signal, sends to control system.Photoelectric heat pipe valve group trigger board receives and transmitted signal, all adopts Optical Fiber Transmission.Therefore, in each photoelectric heat pipe valve group trigger board, there are a light-receiving seat and light launching seat, should have mutually optical receiving circuit and optical transmission circuit.In addition; in order to coordinate the forward blocking characteristic of thyristor, the overvoltage of thyristor forward has adopted and has punctured detection protective circuit, when the triggered as normal pulse passage of photoelectric heat pipe valve group trigger board undesired; cannot provide trigger impulse time, puncture detection protective circuit and can be used as backup protection triggering thyristor.
Claims (2)
1. a photoelectric heat pipe valve group trigger board; it is characterized in that, comprise optical receiving circuit, triggering plastic drive circuit, strong circuits for triggering, current-limiting circuit, puncture detection protective circuit, triggered as normal testing circuit, return plastic drive circuit, optical transmission circuit, get energy circuit, voltage stabilizing circuit and stabilized voltage power supply.Start pulse signal is by trigger impulse optical fiber, optical fiber received block HR1, deliver to optical receiving circuit and be converted to the signal of telecommunication, together after triggering plastic drive circuit, form triggered as normal pulse signal with the reset signal of reset circuit, through strong circuits for triggering, be connected to the G end of thyristor unit again; The K of thyristor unit and RC can circuit formation get energy power supply through getting, and form stabilized voltage power supply through voltage stabilizing circuit; AK in thyristor unit is through current-limiting circuit, be divided into two-way voltage signal, return signal is detected through puncturing to detect protective circuit formation secondary trigger impulse and puncture in one tunnel, secondary triggering signal is delivered to strong circuits for triggering, another road is connected with triggered as normal testing circuit, return plastic drive circuit, forms triggered as normal return signal; Puncture and detect return signal and triggered as normal return signal and be all connected to optical transmission circuit, form return pulse, by light launching seat, through returning pulse fiber, deliver to control system.
2. a kind of photoelectric heat pipe valve group trigger board according to claim 1, is characterized in that, described puncturing detects protective circuit and comprise puncture voltage acquisition cuicuit, puncture voltage testing circuit and shaping circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320675230.9U CN203661020U (en) | 2013-10-29 | 2013-10-29 | Photoelectric heat tube valve group trigger board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320675230.9U CN203661020U (en) | 2013-10-29 | 2013-10-29 | Photoelectric heat tube valve group trigger board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203661020U true CN203661020U (en) | 2014-06-18 |
Family
ID=50927368
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320675230.9U Expired - Fee Related CN203661020U (en) | 2013-10-29 | 2013-10-29 | Photoelectric heat tube valve group trigger board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203661020U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105743218A (en) * | 2016-01-21 | 2016-07-06 | 中国南方电网有限责任公司超高压输电公司检修试验中心 | DC project electrically-triggered thyristor backup trigger system and monitoring method thereof |
| CN112578258A (en) * | 2019-09-27 | 2021-03-30 | 上海宝信软件股份有限公司 | Detection method and system suitable for TE control panel |
-
2013
- 2013-10-29 CN CN201320675230.9U patent/CN203661020U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105743218A (en) * | 2016-01-21 | 2016-07-06 | 中国南方电网有限责任公司超高压输电公司检修试验中心 | DC project electrically-triggered thyristor backup trigger system and monitoring method thereof |
| CN105743218B (en) * | 2016-01-21 | 2018-10-19 | 中国南方电网有限责任公司超高压输电公司检修试验中心 | A kind of DC engineering electricity triggering thyristor standby triggering system and its monitoring method |
| CN112578258A (en) * | 2019-09-27 | 2021-03-30 | 上海宝信软件股份有限公司 | Detection method and system suitable for TE control panel |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103227506B (en) | Triggering and monitoring unit of converter valve thyristor | |
| CN102035189B (en) | Novel monitoring and protecting system for test thyristor of converter valve module | |
| CN203774778U (en) | Transient interference-suppressing protection circuit | |
| CN106058837A (en) | Line arrester leakage current detection device without isolation component | |
| CN205123243U (en) | Lightning protection surge protector | |
| CN102645912A (en) | Pure electric vehicle controller with anti-electromagnetic interference capability | |
| CN203661020U (en) | Photoelectric heat tube valve group trigger board | |
| CN102565662B (en) | State detection device for high-potential thyristor | |
| CN203658448U (en) | Overvoltage monitoring sensor for bushing | |
| CN203562774U (en) | Alternating-current lightning protection module for LED lighting equipment | |
| CN104868436A (en) | Connecting protection system for seabed observational network | |
| CN206712450U (en) | A kind of insulated gate bipolar transistor protection circuit | |
| CN102938556B (en) | With the capacitor protection measurement and control integration device of unbalanced current protection function | |
| CN203553918U (en) | Video-monitoring circuit three-in-one surge protector | |
| CN104682334A (en) | Guard grating circuit and lamp | |
| CN102931631B (en) | Output earth leakage protection device for high-voltage and direct-current power supply system | |
| CN101504430A (en) | Electric power facilities theft monitoring method and monitor thereof | |
| CN205123231U (en) | High -temperature early warning surge protector | |
| CN204706883U (en) | A kind of Novel lightning-proof case | |
| CN204290305U (en) | Overvoltage protection device | |
| CN205811537U (en) | Signal spark gap | |
| CN201674281U (en) | Electrical leakage protector with wireless communication function | |
| CN105552826B (en) | A kind of rapid protecting device of industrial frequency withstand voltage system | |
| CN204391733U (en) | A kind of Novel electric surge protector | |
| CN103529349A (en) | Break monitoring device for protection circuit of switch cabinet |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140618 Termination date: 20151029 |
|
| EXPY | Termination of patent right or utility model |