CN203935543U - Oil-drainage nitrogen-filling fire-extinguishing - Google Patents

Oil-drainage nitrogen-filling fire-extinguishing Download PDF

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Publication number
CN203935543U
CN203935543U CN201420283704.XU CN201420283704U CN203935543U CN 203935543 U CN203935543 U CN 203935543U CN 201420283704 U CN201420283704 U CN 201420283704U CN 203935543 U CN203935543 U CN 203935543U
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China
Prior art keywords
fire
oil
control cabinet
nitrogen
valve
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Expired - Fee Related
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CN201420283704.XU
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Chinese (zh)
Inventor
张盛
杨文波
葛其运
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ZHEJIANG SUNRISE ELECTRIC Co Ltd
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ZHEJIANG SUNRISE ELECTRIC Co Ltd
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Publication of CN203935543U publication Critical patent/CN203935543U/en
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Abstract

The utility model discloses a kind of oil-drainage nitrogen-filling fire-extinguishing.Described oil-drainage nitrogen-filling fire-extinguishing is convenient to be observed and controls, and security performance is good, has good faulty action preventing function.It comprises: Fire Control Cabinet, cut-off valve, draining valve, nitrogen injecting valua, fire detector, described Fire Control Cabinet is connected with cut-off valve, draining valve, nitrogen injecting valua, fire detector respectively.Its technical characterictic is, described Fire Control Cabinet receives the fire signal that fire detector sends, and transmits control signal to draining valve, cut-off valve, and cut-off valve is closed, and draining valve is opened; After draining valve is confirmed to open, draining valve sends feedback signal to Fire Control Cabinet, and Fire Control Cabinet is received after feedback signal, opened nitrogen injecting valua.

Description

Oil-drainage nitrogen-filling fire-extinguishing
Technical field
The utility model relates to fire-fighting domain, relates in particular to a kind of oil-drainage nitrogen-filling fire-extinguishing.
Background technology
Transformer is in running, likely because short circuit, oil temperature is crossed high fault and caused the phenomenon of catching fire, and is support equipment safety, and a kind of oil draining nitrogen filling fire extinguishing device is installed on transformer.But the structure of the nitrogen filling fire extinguishing device having is now rigorous not, function singleness, is difficult for observing and controlling, and security is not high, easily by malfunction.So, be badly in need of a kind of improved technology and solve this problem.
Utility model content
The problem that the utility model solves is to provide a kind of oil-drainage nitrogen-filling fire-extinguishing, convenient observation and control, and security performance is good, has good faulty action preventing function.
For addressing the above problem, the utility model embodiment provides a kind of oil-drainage nitrogen-filling fire-extinguishing, comprise: Fire Control Cabinet, cut-off valve, draining valve, nitrogen injecting valua, fire detector, described Fire Control Cabinet is connected with cut-off valve, draining valve, nitrogen injecting valua, fire detector respectively, described Fire Control Cabinet receives the fire signal that fire detector sends, transmit control signal to draining valve, cut-off valve, cut-off valve is closed, draining valve is opened; After draining valve is confirmed to open, draining valve sends feedback signal to Fire Control Cabinet, and Fire Control Cabinet is received after feedback signal, opened nitrogen injecting valua.
Optionally, in the time that described oil-drainage nitrogen-filling fire-extinguishing is used for oil-filled transformer, described fire detector is heat fire detector, is positioned at transformer top, surveys the inner and outside temperature of transformer.
Optionally, also comprise heavy Buchholz relay, described heavy Buchholz relay is connected with Fire Control Cabinet, described heavy Buchholz relay and the same alarm of described fire detector, and described draining valve is opened oil extraction automatically
Optionally, described oil-drainage nitrogen-filling fire-extinguishing is for oil-filled transformer or tank installation.
Optionally, described Fire Control Cabinet is also connected with real time print machine, monitoring mobile phone terminal.
Optionally, described Fire Control Cabinet receives the fire signal that fire detector sends, and sends alarm signal to mobile phone, Fire Control Cabinet described in mobile phone long-distance operating.
Optionally, described Fire Control Cabinet adopts Siemens PLC C S7-200CN as control module.
Compared with prior art, the technical program has the following advantages:
Adopted the design of multilayer logic lock at hardware aspect, described Fire Control Cabinet receives the fire signal that fire detector sends, and transmits control signal to draining valve, cut-off valve, and cut-off valve is closed, and draining valve is opened; After draining valve is confirmed to open, draining valve sends feedback signal to Fire Control Cabinet, and Fire Control Cabinet is received after feedback signal, through several seconds time delay, opens nitrogen injecting valua.Such design makes this technology have the incomparable reliability of conventional equipment, has superpower faulty action preventing ability.
Described control fire hydrant cabinet adopts Siemens PLC C S7-200CN as control module, adopt man-machine interface, Fire Control Cabinet can receive after the control signal of fire detector transmission, send alarm signal to mobile phone, can transfer man-machine interface picture, can implement to manually boot, start and need to key in the operator password of preestablishing, Long-distance Control Fire Control Cabinet.All signal alarms, control record, have real-time computer record function, and have real time print record.Computer display screen is furnished with independent switch power supply.Advantage is convenient observation and control, and security performance is good again.
Brief description of the drawings
Fig. 1 is the system architecture schematic diagram of the oil-drainage nitrogen-filling fire-extinguishing of the utility model embodiment;
Detailed description of the invention
Below in conjunction with accompanying drawing, by specific embodiment, the technical solution of the utility model is carried out to clear, complete description.
Please refer to Fig. 1, for the system architecture schematic diagram of the oil-drainage nitrogen-filling fire-extinguishing of the utility model embodiment, comprising: Fire Control Cabinet 1, cut-off valve 2, draining valve 3, nitrogen injecting valua 4, fire detector 5, real time print machine 6, wireless router 7, mobile phone 8.Described oil-drainage nitrogen-filling fire-extinguishing is the device of, fire prevention explosion-proof for having of oil-filled transformer and oil tank and fire-extinguishing function concurrently, in the present embodiment, as an example of the oil-drainage nitrogen-filling fire-extinguishing for oil-filled transformer example, whole system is set forth.
Described oil-drainage nitrogen-filling fire-extinguishing comprises oil-drain pipe, note nitrogen pipeline, cut-off valve, fire detector, Fire Control Cabinet, and Fire Control Cabinet is also connected with real time print machine, is connected with mobile phone by wireless router.It is control module that Fire Control Cabinet adopts PLC (Programmable Logic Controller, programmable logic controller (PLC)).
Described oil-drain pipe is connected to transformer top, by draining valve oil extraction pressure release, mainly comprise that oil-drain pipe, draining valve, service valve, telescoping connection are first-class, the unlatching lever of draining valve is furnished with weight and by a magnet control, electromagnet is opened by control module control.When Fire Control Cabinet receives after fire signal, control module starts the electromagnet of weight, and weight drives draining valve to open, and starts oil extraction.The place that draining valve is different from other common draining valves is that it can receive the control signal that Fire Control Cabinet is sent, and can, after confirming to open, send feedback signal to Fire Control Cabinet again, and Fire Control Cabinet is opened nitrogen injecting valua again receiving after feedback signal.
Described note nitrogen pipeline connects respectively high-pressure nitrogen bottle and transformer, to transformer bottom nitrogen injection, mainly comprises note nitrogen pipeline, nitrogen injecting valua, oil gas barrier assembly, flow control valve etc. by nitrogen injecting valua.When Fire Control Cabinet receives after the feedback signal that fire signal and draining valve open, control module is restarted nitrogen injecting valua, nitrogen in high-pressure nitrogen bottle enters oil tank of transformer bottom by note nitrogen pipeline, be filled with transformer body, fully stir intrinsic transformer oil, oil temperature is down to below burning-point, avoids fire hazard.
Described cut-off valve is between conservator and body fuel tank, and when Fire Control Cabinet receives after fire signal, cut-off valve is closed, and cuts off conservator to transformer body fuel feeding, and transformer oil fuel level in tank reduces, and oil pressure alleviates, and prevents Explosion of Transformer.
Existing oil-drainage nitrogen-filling fire-extinguishing is all by Control, and relay adopts rigid line to connect, and line is many and complicated, very difficult to logic Modification, increase function from now on.It relies on the adhesive of mechanical contact to move the relay control system of control, and operating frequency is low, and operating rate is slow.Control is to utilize the hysteresis motion of the time relay to carry out the sequential control on the deadline.The frame for movement of time relay inside is subject to the impact of environment temperature and humidity variation, causes the precision of timing not high.After relay system is installed, the impact of the reason such as finiteness and line complexity of current collector device contact number, system is very poor in flexibility, autgmentability from now on.Control can be realized logic function, but does not possess the function of counting.Control uses a large amount of mechanical contacts, contact open and close time can produce electric arc, cause damage and with mechanical wear, service life is short, operational reliability is poor, not easy care.
Described oil-drainage nitrogen-filling fire-extinguishing uses PLC as control module, the timer being formed by semiconductor circuit in PLC inside and the clock pulses timing being produced by crystal oscillator, timing accuracy is high, user can be as required, timing value just can arrange in program, flexibility is large, and timing is not affected by environment.Its inside also has specific counter, can realize the stepping control to production equipment.PLC also has special input and output module, and connecting in theory can be infinite many.PLC adopts microelectric technique, and inner switch motion completes by contactless semiconductor circuit, and the life-span is long, and reliability is high, and can be shown at any time operating personnel, and the practice condition of timely supervisory control program, for field adjustable and maintenance facilitate.
Controlling fire hydrant cabinet adopts Siemens PLC C S7-200CN as control module, adopt man-machine interface, Fire Control Cabinet can receive after the control signal of fire detector transmission, send alarm signal to mobile phone, can transfer man-machine interface picture, can implement to manually boot, start and need to key in the operator password of preestablishing, Long-distance Control Fire Control Cabinet.All signal alarms, control record, have real-time computer record function, and have real time print record.Computer display screen is furnished with independent switch power supply.Described fire detector is heat fire detector, be positioned at the inside and outside of transformer top, divide two-way to arrange, i.e. " fire alarm 1 ", " fire alarm 2 ", when transformer internal temperature reaches 135 DEG C and external temperature and reaches 100 DEG C, the appearance of " fire alarm 1 ", " fire alarm 2 " signal, fire detector starts to report to the police.
Described breaker is positioned at transformer inside, while there is urgent dangerous situation in transformer, and circuit breaker trip.
Described heavy Buchholz relay is positioned at transformer inside, and transformer temperature is too high, and heavy Buchholz relay starts to report to the police.
When " circuit breaker trip ", " heavy gas action ", " fire alarm 1 ", " fire alarm 2 " signal occur simultaneously, described heavy Buchholz relay and described fire detector start to report to the police simultaneously, system enters automatic burst-preventing fireproof fire-extinguishing and starts, draining valve is opened oil extraction, cut-off valve is closed, and after 10 seconds, nitrogen relief valve is opened note nitrogen.
When urgent dangerous situation appears in transformer, when circuit breaker trip, press two " emergency start " buttons simultaneously, system enters manual anti-explosion fire fire extinguishing and starts, and draining valve is opened oil extraction, and cut-off valve is closed, and after 10 seconds, nitrogen relief valve is opened note nitrogen.
This device adopts the design of multilayer logic lock at hardware aspect, has the incomparable reliability of conventional equipment, has superpower faulty action preventing ability.This design is achieved in that described Fire Control Cabinet receives the fire signal that fire detector sends, and transmits control signal to draining valve, cut-off valve, and cut-off valve is closed, and draining valve is opened; After draining valve is confirmed to open, draining valve sends feedback signal to Fire Control Cabinet, and Fire Control Cabinet is received after feedback signal, through several seconds time delay, opens nitrogen injecting valua.
Its extinguishing mechanism is: when the inner breaking out of fire of transformer or explosion danger, Fire Control Cabinet receives the fire signal that fire detector sends, control module starts the electromagnet of weight, weight drives draining valve to open, and starts oil extraction, and cut-off valve is closed automatically simultaneously, cut off conservator to transformer body fuel feeding, transformer oil fuel level in tank reduces, and oil pressure alleviates, and prevents Explosion of Transformer.After draining valve is confirmed to open, draining valve sends feedback signal to Fire Control Cabinet, Fire Control Cabinet is received after feedback signal, control module is restarted nitrogen relief valve, nitrogen in high-pressure nitrogen bottle enters oil tank of transformer bottom by note nitrogen pipeline, is filled with transformer body, fully stirs intrinsic transformer oil, oil temperature is down to below burning-point, avoids fire hazard.
It should be noted that, above-mentioned modules of the present utility model is physical components; Certainly, indivedual functions of modules wherein can realize by software, but this does not belong to category of the present utility model, and its specific implementation is also irrelevant with the utility model.
Although the utility model with preferred embodiment openly as above; but it is not for limiting the utility model; any those skilled in the art are not departing from spirit and scope of the present utility model; can utilize method and the technology contents of above-mentioned announcement to make possible variation and amendment to technical solutions of the utility model; therefore; every content that does not depart from technical solutions of the utility model; any simple modification, equivalent variations and the modification above embodiment done according to technical spirit of the present utility model, all belong to the protection domain of technical solutions of the utility model.

Claims (7)

1. an oil-drainage nitrogen-filling fire-extinguishing, it is characterized in that, comprise: Fire Control Cabinet, cut-off valve, draining valve, nitrogen injecting valua, fire detector, described Fire Control Cabinet is connected with cut-off valve, draining valve, nitrogen injecting valua, fire detector respectively, described Fire Control Cabinet receives the fire signal that fire detector sends, transmit control signal to draining valve, cut-off valve, cut-off valve is closed, draining valve is opened; After draining valve is confirmed to open, draining valve sends feedback signal to Fire Control Cabinet, and Fire Control Cabinet is received after feedback signal, opened nitrogen injecting valua.
2. oil-drainage nitrogen-filling fire-extinguishing according to claim 1, it is characterized in that, in the time that described oil-drainage nitrogen-filling fire-extinguishing is used for oil-filled transformer, described fire detector is heat fire detector, be positioned at transformer top, survey the inner and outside temperature of transformer.
3. oil-drainage nitrogen-filling fire-extinguishing according to claim 1, it is characterized in that, also comprise heavy Buchholz relay, described heavy Buchholz relay is connected with Fire Control Cabinet, described heavy Buchholz relay and the same alarm of described fire detector, described draining valve is opened oil extraction automatically.
4. oil-drainage nitrogen-filling fire-extinguishing according to claim 1, is characterized in that, described oil-drainage nitrogen-filling fire-extinguishing is for oil-filled transformer or tank installation.
5. oil-drainage nitrogen-filling fire-extinguishing according to claim 1, is characterized in that, described Fire Control Cabinet is also connected with real time print machine, monitoring mobile phone terminal.
6. oil-drainage nitrogen-filling fire-extinguishing according to claim 1, is characterized in that, described Fire Control Cabinet receives the fire signal that fire detector sends, and sends alarm signal to mobile phone, Fire Control Cabinet described in mobile phone long-distance operating.
7. oil-drainage nitrogen-filling fire-extinguishing according to claim 1, is characterized in that, described Fire Control Cabinet adopts Siemens PLC C S7-200CN as control module.
CN201420283704.XU 2014-05-29 2014-05-29 Oil-drainage nitrogen-filling fire-extinguishing Expired - Fee Related CN203935543U (en)

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105869338A (en) * 2016-06-13 2016-08-17 杨光明 Oil tank valve safety control device
CN107744631A (en) * 2017-12-01 2018-03-02 中国矿业大学(北京) A kind of nitrogen injection intelligent controlling device
CN108281894A (en) * 2018-03-22 2018-07-13 中国能源建设集团云南省电力设计院有限公司 Fire alarm and coordinated control system inside and outside a kind of transformer sleeper fire
CN108899180A (en) * 2018-06-25 2018-11-27 广东瑞智电力科技有限公司 A kind of transformer digital monitoring protective device
CN110523028A (en) * 2019-09-24 2019-12-03 贵州电网有限责任公司 The oil draining nitrogen filling device remote control apparatus and control method of oil-immersed transformer
CN111013051A (en) * 2019-12-07 2020-04-17 国网辽宁省电力有限公司电力科学研究院 Oil-immersed transformer oil-discharging nitrogen-injecting fire extinguishing device calibration system and method
CN112881058A (en) * 2021-03-04 2021-06-01 国网山西省电力公司电力科学研究院 Validity checking device and checking method for oil-discharging nitrogen-injecting fire extinguishing device of transformer

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105869338A (en) * 2016-06-13 2016-08-17 杨光明 Oil tank valve safety control device
CN107744631A (en) * 2017-12-01 2018-03-02 中国矿业大学(北京) A kind of nitrogen injection intelligent controlling device
CN108281894A (en) * 2018-03-22 2018-07-13 中国能源建设集团云南省电力设计院有限公司 Fire alarm and coordinated control system inside and outside a kind of transformer sleeper fire
CN108281894B (en) * 2018-03-22 2023-04-14 中国能源建设集团云南省电力设计院有限公司 Transformer reignition fire internal and external fire alarm and linkage control system
CN108899180A (en) * 2018-06-25 2018-11-27 广东瑞智电力科技有限公司 A kind of transformer digital monitoring protective device
CN110523028A (en) * 2019-09-24 2019-12-03 贵州电网有限责任公司 The oil draining nitrogen filling device remote control apparatus and control method of oil-immersed transformer
CN110523028B (en) * 2019-09-24 2023-11-10 贵州电网有限责任公司 Remote control device and control method for oil-discharging and nitrogen-injecting device of oil-immersed transformer
CN111013051A (en) * 2019-12-07 2020-04-17 国网辽宁省电力有限公司电力科学研究院 Oil-immersed transformer oil-discharging nitrogen-injecting fire extinguishing device calibration system and method
CN111013051B (en) * 2019-12-07 2023-06-16 国网辽宁省电力有限公司电力科学研究院 Verification system and method for oil-discharging and nitrogen-injecting fire extinguishing device of oil-immersed transformer
CN112881058A (en) * 2021-03-04 2021-06-01 国网山西省电力公司电力科学研究院 Validity checking device and checking method for oil-discharging nitrogen-injecting fire extinguishing device of transformer

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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

Granted publication date: 20141112

Termination date: 20210529

CF01 Termination of patent right due to non-payment of annual fee