CN201533958U - Intelligent fire extinguishing apparatus of oil extraction nitrogen injection type transformer - Google Patents
Intelligent fire extinguishing apparatus of oil extraction nitrogen injection type transformer Download PDFInfo
- Publication number
- CN201533958U CN201533958U CN200920170309XU CN200920170309U CN201533958U CN 201533958 U CN201533958 U CN 201533958U CN 200920170309X U CN200920170309X U CN 200920170309XU CN 200920170309 U CN200920170309 U CN 200920170309U CN 201533958 U CN201533958 U CN 201533958U
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Abstract
The utility model discloses an intelligent fire extinguishing apparatus of an oil extraction nitrogen injection type transformer; the fire extinguishing apparatus comprises a fire extinguishing box, an intelligent control cabinet, a fire temperature acquisition sensor, a pressure acquisition sensor, a motor-driven resetting flow control valve and the like and is characterized in that the interior of the fire extinguishing box is provided with a humiture controller and a heating dehumidification device; both sides of an oil extraction valve is provided with a service valve and a micro-leakage oil detector; a nitrogen gas cylinder is provided with a nitrogen pressure sensor and an aviation dedicated locking gear; and a hole plate-type reducing valve and an air escape valve are arranged between the nitrogen gas cylinder and an oil gas isolation component. The intelligent control cabinet comprises a central processing unit, a touch screen, a contactless solid-state relay and the like, realizes the man-machine conversation and intelligent control functions and provides network service interfaces. The intelligent fire extinguishing apparatus has reasonable structure, complete functions and high intelligence and increases the safety and reliability of devices.
Description
Technical field
The utility model belongs to transformer fire-fighting equipment technical field, is a kind of novel intelligent oil draining nitrogen filling formula transformer extinguishing device that integrates detection alarm, explosion-proof, fire prevention and fire-extinguishing function concurrently specifically.
Background technology
The present transformer oil draining nitrogen filling formula extinguishing device that moves in the power system, mostly its control system is the relay control model if adopting, its major defect is: the logic control hypofunction; no communication and defencive function; the executive component contact is many, loose contact, and the A.C. contactor loss ratio is high.This function singleness, corrosion is aging, maintenance big, do not have the effectively extinguishing device of protection, complex structure, and automatization level is low, and the security of device itself and reliable in action are all poor, have brought the big hidden danger of tool to the normal operation of transformer.In order to address the above problem, in recent years occurred adopting industrial Programmable Logic Controller PLC to replace the oil draining nitrogen filling formula transformer extinguishing device of traditional auxiliary reclay control, be provided with the PLC controller in the switch board, fill the nitrogen extinguishing device by PLC controller opens or control, control is reliable, has improved the security of equipment operation to a certain extent.Yet, this type transformer fills the nitrogen extinguishing device and also have many weak points on structure and performance, such as: one, the input and output signal of telecommunication of PLC controller does not all pass through photoelectrical coupler in the switch board, controller and forceful electric power road do not isolate, under strong electromagnetic, the PLC controller is easily misoperation also.Two, do not install touch-screen in the switch board, can not carry out various function setting, can not show in real time and storage device status information, can not realize the human-computer dialogue function.Three, the still contactor and the common relay of major loop employing, the contact easy-to-rust is aging, and it is unreliable to move.
Summary of the invention
The purpose of this utility model is to overcome the shortcoming of above prior art, provide a kind of structure more advantages of simple, move safety and reliability, have detection alarm, explosion-proof, fire prevention and fire-extinguishing function concurrently, intelligent degree height, can satisfy the novel intelligent oil draining nitrogen filling formula transformer extinguishing device of unmanned requirement.
The technical scheme that its technical problem that solves the utility model adopts is: nitrogen formula transformer extinguishing device is annotated in a kind of intelligent oil extraction, comprises fire extinguishing box, Based Intelligent Control cabinet, fire heat detection sensor, pressure acquisition sensor, electronic flow control valve, oil extraction nitrogen blanketing valve road etc.Be provided with temperature and humidity controller and heating dehumidifying device in the fire extinguishing box, be used to stop condensation and preset temperature in the case; The draining valve both sides are provided with service valve and little seepage oil detector, have little seepage oil warning function, easy access; Nitrogen cylinder is provided with nitrogen pressure sensor and the special-purpose blocking mechanism of aviation, and and the oil gas barrier assembly between be provided with air escape valve, the exhausted nitrogen of effectively having shut out leaks into the possibility in the transformer, be provided with the orifice-plate type pressure-reducing valve, after blocking mechanism is opened, high pressure nitrogen discharges by the orifice-plate type pressure-reducing valve, can not cause nitrogen blanketing valve road and transformer explosion.The Based Intelligent Control cabinet is realized Based Intelligent Control by central processing unit device and touch-screen, and available touch-screen is realized human-computer dialogue, carries out various function setting, shows various running statuses; Adopt central processing unit convenient and efficient, powerful, superior performance, reliability height, versatility is good, Computer Communications Interface and network communicating function are provided, the automaticity height, Local or Remote is easy to operate, central processing unit is followed according to fire heat detection sensor signal or pressure acquisition sensor signal and is carried out the logic judgement, carries out orders such as warning, oil extraction pressure release, the fire extinguishing of notes nitrogen, is suitable for various conditions and unattended transformer station or power plant.
Further improve as the utility model, but described heat detection sensor temperature detected by optical fiber detection system can be located the definite position of variations in temperature exactly.
The beneficial effects of the utility model are that rational in infrastructure, multiple functional, intelligent degree height has improved the security and the reliability of device operation.
Description of drawings
Below in conjunction with accompanying drawing utility model is described in further detail:
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is a schematic block circuit diagram of the present utility model.
Each label is in the accompanying drawing 1: 1, fire extinguishing box, 2, For Use Only in Case of Fire nitrogen cylinder, 3, nitrogen cylinder pressure monitoring parts, 4, the special-purpose blocking mechanism of aviation, 5, the special-purpose blocking mechanism status monitoring of aviation parts, 6, the nitrogen blanketing valve road, 7, pressure-reducing valve, 8, air escape valve, 9, air escape valve status monitoring parts, 10, the oil gas isolating valve, 11, the oil extraction pipeline, 12, service valve, 13, the draining valve starting drive, 14, draining valve starting drive status monitoring parts, 15, draining valve, 16, draining valve status monitoring parts, 17, little leak detector, 18, heating dehumidifying device, 19, fire heat detection sensor, 20, the pressure acquisition sensor, 21, the Based Intelligent Control cabinet, 22, photoelectrical coupler, 23, central processing unit 24, touch-screen, 25, contactless solid-state relay, 26, the electronic flow control valve that resets, 27. Buchholz relay, 28. oil extraction pipelines, 29. annotate the nitrogen pipeline.
The specific embodiment
The specific embodiment of the present utility model is as shown in Figure 1: fill the nitrogen loop in the fire extinguishing box 1 and mainly be made up of For Use Only in Case of Fire nitrogen cylinder 2, the special-purpose blocking mechanism 4 of aviation, nitrogen blanketing valve 6, pressure-reducing valve 7, air escape valve 8, oil gas isolating valve 10 etc.On For Use Only in Case of Fire the nitrogen cylinder 2 nitrogen pressure monitoring component 3 is housed, can shows nitrogen gas pressure parameter in the nitrogen cylinder in real time, and can upload to central processing unit 22 and touch-screen 23, central processing unit 22 can drive undervoltage warning and superpressure alert program according to preset value; On the special-purpose blocking mechanism 4 of aviation blocking mechanism status monitoring parts 5 are housed, so that gather the status information of blocking mechanism; Pressure-reducing valve 6 is to adopt orifice plate decompression principle, custom-designed needle valve structure pressure-reducing valve, and it has accurate, the reliability and durability characteristics of decompression definite value; Air escape valve status monitoring parts 9 are housed on the air escape valve 8, when nitrogen cylinder has the trace nitrogen gas leakage, by air escape valve 8 micro-nitrogen is released in the atmosphere, in order to avoid nitrogen is leaked in the transformer-cabinet, start alert program simultaneously, so that the operations staff adopts an effective measure, guarantee the transformer safe operation.
Oil-discharging circuit in the fire extinguishing box 1 mainly contains compositions such as oil exit pipe 11, service valve 12, draining valve starting drive 13, draining valve 15, little leak detection dress device 17.Draining valve starting drive status monitoring device 14 is housed, so that gather the status information of draining valve starting drive 13 on the draining valve starting drive 13; Draining valve 15 is the butterfly valves that adopt teflon seal three eccentric structures, and the mode of position seals has improved the security reliability of draining valve; Draining valve status monitoring parts 16 are housed, so that gather the status information of draining valve 15 on the draining valve 15; Little seepage oil detector 17 has electronic warning function, leaks into when a certain amount of when transformer oil is little, and this device gets an electric shock closed, can upload warning.
Fire extinguishing box 1 is equipped with temperature and humidity controller and heating dehumidifying device 18, it can monitor fire extinguishing box temperature inside, humidity situation of change at any time, when the environment temperature of fire extinguishing box 1 inside less than preset value or or humidity when excessive, temperature and humidity controller will start heating dehumidifying device automatically, be used to control the humiture of environment in the fire extinguishing box, prevent to produce condensation.When fire extinguishing box 1 interior environment temperature reached preset value, temperature and humidity controller will excise heating dehumidifying device automatically, and this moment, temperature and humidity controller returned to detected state again.
Based Intelligent Control cabinet 21 mainly contains photoelectrical coupler 22, central processing unit 23, touch-screen 24 and contactless solid-state relay 25 and forms.Photoelectrical coupler 22 is isolated central processing unit 23 and forceful electric power road, prevents electromagnetic interference, has guaranteed central processing unit 23 safe and reliable operations; Central processing unit 23 both can be a singlechip controller, also can be Programmable Logic Controller PLC, as control centre, adopt modularization programming, utilize various information, can carry out intellectuality control to this device, central processing unit has the RS-485 communication interface, can insert comprehensive automation system of transformer substation; Touch-screen 24 can show the status information of each parts, can carry out the fault inquiry of browsing data and each parts, can set the operational factor of device, makes things convenient for regular maintenance management and the accident investigation of operations staff to equipment; Major loop adopts contactless solid-state relay as core parts, modular structure, and the degree of protection height, reliable in action is good.
Fire heat detection sensor 19 is installed near each outlet sleeve pipe of transformer-cabinet upper end or in the transformer-cabinet, can show the temperature of each position in real time, can drive warning, fire prevention, fire extinguishing program according to preset value, protection transformer safety.
Pressure acquisition sensor 20 is to be installed in the transformer tank, can show transformer tank internal pressure parameter in real time, can drive warning, explosion-proof program according to preset value, protection transformer safety.
The electronic flow control valve 26 that resets is installed on the pipeline between transformer conservator and the transformer-cabinet, can cut off the repairing passage according to flow, and have to close and report to the police and electronic reset function, in order to avoid when oil in the transformer tank sprang up flow and surpasses flow control valve and close flow, the hand-reset flow control valve had only the situation that just can reset under the power down mode.
In conjunction with the accompanying drawings 2, further specify electrical principle of the present utility model, each unit information of whole extinguishing device is transported to central processing unit, and central processing unit carries out the logic judgement according to uploading data message: when equipment normally moves, and touch-screen display device state operation information; When having only temperature or pressure to surpass preset value, touch-screen is reported to the police and real-time displays temperature or pressure information, so that the operations staff takes rescue method; After breaking down in transformer inside, central processing unit receives tank pressure simultaneously or temperature surpasses the preset value signal, behind Buchholz relay actuating signal and the circuit breaker trip signal, then central processing unit starts anti-riot or fire prevention, the fire extinguishing program, send and open the draining valve fill order, draining valve is opened oil extraction, relieving pressure, the electronic flow control valve that resets is closed automatically according to flow simultaneously, cut off the repairing passage, when central processing unit receives after draining valve opens confirmation signal, the special-purpose blocking mechanism of Time Delay Opening aviation, the cooling of notes nitrogen prevents that transformer is on fire from explosion, and nitrogen injects from the transformer bottom, force cold and hot oil to exchange, make oily temperature reduce to below the burning-point rapidly; Simultaneously nitrogen covers pasta, and air-isolation contacts with oil, and the pasta naked light is extinguished rapidly, and the nitrogen injection can make transformer oil fully cool off more than 20 minutes, prevents resume combustion.
Claims (5)
1. nitrogen formula transformer extinguishing device is annotated in an intelligent oil extraction, comprise fire extinguishing box, the Based Intelligent Control cabinet, fire heat detection sensor, the pressure acquisition sensor, the electronic flow control valve that resets, oil extraction nitrogen blanketing valve road etc., its principal character is to be provided with temperature and humidity controller and heating dehumidifying device in the fire extinguishing box, the draining valve both sides are provided with service valve and little seepage oil detector, nitrogen cylinder is provided with nitrogen pressure sensor and the special-purpose blocking mechanism of aviation, and and the oil gas barrier assembly between be provided with orifice-plate type pressure-reducing valve and air escape valve, the Based Intelligent Control cabinet is by central processing unit, composition such as touch-screen and contactless solid-state relay.
2. nitrogen formula transformer extinguishing device is annotated in intelligent oil extraction according to claim 1, it is characterized in that signal transmission the passing through photoelectrical coupler of the central processing unit in the intelligent switch board.
3. nitrogen formula transformer extinguishing device is annotated in intelligent oil extraction according to claim 1, it is characterized in that the central processing unit in the intelligent switch board both can be a singlechip controller, also can be Programmable Logic Controller PLC.
4. nitrogen formula transformer extinguishing device is annotated in intelligent oil extraction according to claim 1, it is characterized in that the Based Intelligent Control cabinet adopts dual power supply, and the two-way power supply can be worked each other and be standby, and can change automatically.
5. nitrogen formula transformer extinguishing device is annotated in intelligent oil extraction according to claim 1, it is characterized in that the Based Intelligent Control cabinet also is provided with urgent hand gear, when central processing unit breaks down, can locking central processing unit work change urgent manually control model over to, and send on the spot and distant place fault-signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920170309XU CN201533958U (en) | 2009-08-17 | 2009-08-17 | Intelligent fire extinguishing apparatus of oil extraction nitrogen injection type transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920170309XU CN201533958U (en) | 2009-08-17 | 2009-08-17 | Intelligent fire extinguishing apparatus of oil extraction nitrogen injection type transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201533958U true CN201533958U (en) | 2010-07-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920170309XU Expired - Fee Related CN201533958U (en) | 2009-08-17 | 2009-08-17 | Intelligent fire extinguishing apparatus of oil extraction nitrogen injection type transformer |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102580273A (en) * | 2012-02-29 | 2012-07-18 | 常州邦安电力装备有限公司 | Novel oil immersion power transformer extinguishing device |
| CN103599618A (en) * | 2013-12-05 | 2014-02-26 | 国网上海市电力公司 | Improvement of electric control unit of oil extraction and nitrogen injection device |
| CN103985505A (en) * | 2014-05-26 | 2014-08-13 | 昆山达功电子有限公司 | Fire-proof transformer |
| CN104436477A (en) * | 2014-12-01 | 2015-03-25 | 国家电网公司 | Comprehensive fire fighting system and comprehensive fire fighting method of large-size oil-containing equipment of transformer substation |
| CN105080002A (en) * | 2014-05-20 | 2015-11-25 | 庄孟文 | Nitrogen inflation extinguishing equipment with automatic pressure relief function for transformer |
| CN105080001A (en) * | 2014-05-19 | 2015-11-25 | 庄孟文 | Anti-explosion fire extinguishing device for transformer |
| CN105185545A (en) * | 2015-10-20 | 2015-12-23 | 夏烬楚 | 75 MVA transformer capable of realizing pressure relief and explosion prevention |
| CN105185543A (en) * | 2015-10-20 | 2015-12-23 | 夏烬楚 | Explosion-proof 75MVA transformer |
| CN103985505B (en) * | 2014-05-26 | 2016-11-30 | 昆山一邦泰汽车零部件制造有限公司 | A kind of fire prevention transformator |
| CN107050695A (en) * | 2017-05-08 | 2017-08-18 | 浙江日新电气有限公司 | Oil-drainage nitrogen-filling fire-extinguishing |
| CN107064392A (en) * | 2017-04-21 | 2017-08-18 | 国网四川省电力公司检修公司 | A kind of fully-automatic intelligent delay heat sink |
| CN107744631A (en) * | 2017-12-01 | 2018-03-02 | 中国矿业大学(北京) | A kind of nitrogen injection intelligent controlling device |
| CN109985334A (en) * | 2019-03-13 | 2019-07-09 | 国网宁夏电力有限公司电力科学研究院 | A kind of transformer intensity of a fire suppressing method and system |
| CN115382127A (en) * | 2022-08-03 | 2022-11-25 | 中北大学 | Water supply system of water mist nozzle |
-
2009
- 2009-08-17 CN CN200920170309XU patent/CN201533958U/en not_active Expired - Fee Related
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102580273A (en) * | 2012-02-29 | 2012-07-18 | 常州邦安电力装备有限公司 | Novel oil immersion power transformer extinguishing device |
| CN103599618A (en) * | 2013-12-05 | 2014-02-26 | 国网上海市电力公司 | Improvement of electric control unit of oil extraction and nitrogen injection device |
| CN103599618B (en) * | 2013-12-05 | 2016-05-18 | 国网上海市电力公司 | A kind of improvement of oil draining nitrogen filling device ECU |
| CN105080001A (en) * | 2014-05-19 | 2015-11-25 | 庄孟文 | Anti-explosion fire extinguishing device for transformer |
| CN105080002A (en) * | 2014-05-20 | 2015-11-25 | 庄孟文 | Nitrogen inflation extinguishing equipment with automatic pressure relief function for transformer |
| CN103985505A (en) * | 2014-05-26 | 2014-08-13 | 昆山达功电子有限公司 | Fire-proof transformer |
| CN103985505B (en) * | 2014-05-26 | 2016-11-30 | 昆山一邦泰汽车零部件制造有限公司 | A kind of fire prevention transformator |
| CN104436477A (en) * | 2014-12-01 | 2015-03-25 | 国家电网公司 | Comprehensive fire fighting system and comprehensive fire fighting method of large-size oil-containing equipment of transformer substation |
| CN104436477B (en) * | 2014-12-01 | 2017-09-08 | 国家电网公司 | The large-scale oily plant of transformer station integrates fire-fighting system and method |
| CN105185545A (en) * | 2015-10-20 | 2015-12-23 | 夏烬楚 | 75 MVA transformer capable of realizing pressure relief and explosion prevention |
| CN105185543A (en) * | 2015-10-20 | 2015-12-23 | 夏烬楚 | Explosion-proof 75MVA transformer |
| CN107064392A (en) * | 2017-04-21 | 2017-08-18 | 国网四川省电力公司检修公司 | A kind of fully-automatic intelligent delay heat sink |
| CN107064392B (en) * | 2017-04-21 | 2019-05-07 | 国网四川省电力公司检修公司 | A kind of fully-automatic intelligent delay cooling device |
| CN107050695A (en) * | 2017-05-08 | 2017-08-18 | 浙江日新电气有限公司 | Oil-drainage nitrogen-filling fire-extinguishing |
| CN107744631A (en) * | 2017-12-01 | 2018-03-02 | 中国矿业大学(北京) | A kind of nitrogen injection intelligent controlling device |
| CN109985334A (en) * | 2019-03-13 | 2019-07-09 | 国网宁夏电力有限公司电力科学研究院 | A kind of transformer intensity of a fire suppressing method and system |
| CN115382127A (en) * | 2022-08-03 | 2022-11-25 | 中北大学 | Water supply system of water mist nozzle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: SHANDONG DEYOU ELECTRICS CO., LTD. Free format text: FORMER NAME: SHANDONG QILIN ELECTRIC POWER EQUIPMENT CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 255086 Qi Lin Industrial Park, Zhangdian District, Zibo hi tech Development Zone, Shandong, Zibo Patentee after: Shandong Deyou Electric Co., Ltd. Address before: 255086 Qi Lin Industrial Park, Zhangdian District, Zibo hi tech Development Zone, Shandong, Zibo Patentee before: Shandong Chilintec Electric Equipment Manufacture Co., Ltd. |
|
| DD01 | Delivery of document by public notice |
Addressee: Sun Guoqi Document name: Notification of Termination of Patent Right |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100728 Termination date: 20130817 |