CN203377056U - Transformer with nitrogen injecting and fire extinguishing device - Google Patents
Transformer with nitrogen injecting and fire extinguishing device Download PDFInfo
- Publication number
- CN203377056U CN203377056U CN201320399038.1U CN201320399038U CN203377056U CN 203377056 U CN203377056 U CN 203377056U CN 201320399038 U CN201320399038 U CN 201320399038U CN 203377056 U CN203377056 U CN 203377056U
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- oil
- nitrogen
- fire extinguishing
- transformer
- pipeline
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Abstract
The utility model relates to the technical filed of transformer equipment, in particular to a transformer with the nitrogen injecting and fire extinguishing device. An oil tank is arranged in the transformer and connected with an oil conservator and the nitrogen injecting and fire extinguishing device. The transformer is characterized by further comprising a control device. A nitrogen injecting pipeline is provided with a nitrogen opening electromagnetic valve and a pressure reduction electromagnetic valve. The upper portion of the oil tank is externally connected with an oil discharge pipeline finally connected to an oil pool. The inclination degree between the connecting portion of the oil discharge pipeline and the oil pool is 3%. The oil discharge pipeline is provided with a fast oil discharge electromagnetic valve and an observation hole. The control device comprises a photoelectric coupler, a central processing unit, a touch screen and a non-contact solid-state relay.
Description
Technical field
The utility model relates to the transformer equipment technical field, is specifically related to a kind of transformer with nitrogen filling fire extinguishing device.
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 automatic fire extinguisher is installed on transformer.Extinguishing device commonly used is oil draining nitrogen filling fire extinguishing device, and it is comprised of FHC＝fire hydrant cabinet, fire detector, Buchholz relay, choke valve and control circuit.But there is now the structure of nitrogen filling fire extinguishing device rigorous not, function singleness, nitrogen is easily revealed, be difficult for observing, the input and output signal of telecommunication of the controller of existing notes nitrogen fire extinguisher does not all pass through photoelectrical coupler, controller and forceful electric power road be isolation not, and under strong electromagnetic, misoperation easily occurs controller.
The utility model content
The purpose of this utility model is for above-mentioned deficiency of the prior art, and a kind of transformer with nitrogen filling fire extinguishing device is provided, and it has safe and reliable, and sensitivity is high, the characteristics that automation mechanized operation is strong.
The purpose of this utility model is achieved through the following technical solutions:
A kind of transformer with nitrogen filling fire extinguishing device, comprise transformer body, be provided with fuel tank in transformer body, fuel tank is connected with oil conservator and nitrogen filling fire extinguishing device, also comprise control device, connecting tube between oil conservator and fuel tank is provided with Buchholz relay, be provided with shut off valve between Buchholz relay and oil conservator, described nitrogen filling fire extinguishing device comprises nitrogen cylinder, nitrogen cylinder is connected with annotates the nitrogen pipeline, the port of export of annotating the nitrogen pipeline is located at the bottom of described fuel tank, annotate the nitrogen pipeline and be provided with nitrogen opens solenoid valve and vacuum solenoid valve, the top of described fuel tank is circumscribed with the oil extraction pipeline, the oil extraction pipeline finally accesses oil sump, the access section of oil extraction pipeline and the gradient of oil sump are 3%, the oil extraction pipeline is provided with quick oil-discharging electromagnetically operated valve and inspection hole, above-mentioned electromagnetically operated valve all is electrically connected to described control device, described nitrogen cylinder, vacuum solenoid valve, nitrogen opens solenoid valve and quick oil-discharging electromagnetically operated valve are provided with the fire extinguishing box of the above-mentioned parts of protection outward, described transformer body is provided with a plurality of hygrosensors, described inspection hole is transparent plexiglass plate, by flange, be fixed on the tube wall of described oil extraction pipeline, described control device includes photoelectrical coupler, central processing unit, touch-screen and contactless solid-state relay.
The beneficial effects of the utility model: inspection hole is set on oil-drain pipe, can effectively observe the oil extraction situation of oil exit pipe, make operating personnel carry out valid function for actual conditions, the certain gradient of install pipeline of access oil sump, improve the oil extraction performance, adopt electromagnetically operated valve as valve mechanism, guarantee sensitivity and the stability of its running, control device is provided with the photoelectrical coupler touch panel device, prevents that central processing unit is by electromagnetic interference, and visualization is high, easy and simple to handle.
The accompanying drawing explanation
Utilize accompanying drawing to be described further utility model, but the embodiment in accompanying drawing does not form any restriction of the present utility model, for those of ordinary skill in the art, under the prerequisite of not paying creative work, can also obtain according to the following drawings other accompanying drawing.
Fig. 1 is a kind of transformer with nitrogen filling fire extinguishing device of the utility model.
Embodiment
With the following Examples the utility model is further described.
As shown in Figure 1, a kind of transformer with nitrogen filling fire extinguishing device, comprise transformer body 1, be provided with fuel tank 2 in transformer body 1, fuel tank 2 is connected with oil conservator 3 and nitrogen filling fire extinguishing device, also comprise control device, connecting tube between oil conservator 3 and fuel tank 2 is provided with Buchholz relay 4, be provided with shut off valve 5 between Buchholz relay 4 and oil conservator 3, described nitrogen filling fire extinguishing device comprises nitrogen cylinder 6, nitrogen cylinder 6 is connected with annotates nitrogen pipeline 7, the port of export of annotating nitrogen pipeline 7 is located at the bottom of described fuel tank 2, annotate nitrogen pipeline 7 and be provided with nitrogen opens solenoid valve 8 and vacuum solenoid valve 9, the top of described fuel tank 2 is circumscribed with oil extraction pipeline 11, the final access oil sump 12 of oil extraction pipeline 11, the gradient of the access section of oil extraction pipeline 11 and oil sump 12 is 3%, oil extraction pipeline 11 is provided with quick oil-discharging electromagnetically operated valve 13 and inspection hole 14, above-mentioned electromagnetically operated valve all is electrically connected to described control device, described nitrogen cylinder 6, vacuum solenoid valve 9, nitrogen opens solenoid valve 8 and the outer fire extinguishing box 15 that is provided with the above-mentioned parts of protection of quick oil-discharging electromagnetically operated valve 13, described transformer body 1 is provided with a plurality of hygrosensors 16, when the temperature of transformer reaches assigned temperature, can send signal to control device, control the nitrogen open valve and open nitrogen injection, produce a large amount of gas simultaneously, Buchholz relay 4 sends signal to control device, open quick oil-discharging electromagnetically operated valve 13 and carry out oil extraction, simultaneously, the nitrogen in nitrogen cylinder 6 is entered by transformer body 1 bottom by annotating nitrogen pipeline 7, and bottom low temperature oil in fuel tank 2 is mixed with the top high temperature oil, reduces temperature in fuel tank 2, makes the surface oil temperature drop below burning-point, the flame automatic distinguishing in fuel tank 2.Described inspection hole 14 is transparent plexiglass plate, by flange, is fixed on the tube wall of described oil extraction pipeline 11.Whether personnel can observe directly in oil exit pipe insulating oil leakage, when breaking out of fire, also can observe at any time the oil extraction state in the oil extraction fire extinguishing procedure, in order to take corresponding countermeasure.Described control device includes photoelectrical coupler 17, central processing unit, touch-screen 18 and contactless solid-state relay 19, photoelectrical coupler 17 is by central processing unit and the isolation of forceful electric power road, prevent electromagnetic interference, guaranteed the central processing unit safe and reliable operation, central processing unit can be both singlechip controller, can be also Programmable Logic Controller PLC, central processing unit transmits signal according to hygrosensor 16 and carries out the logic judgement, carry out the orders such as warning, oil extraction pressure release, the fire extinguishing of notes nitrogen, be suitable for various conditions and unattended transformer station or power plant.Touch-screen 18 can show the state information of each parts, can carry out the fault inquiry of browsing data and each parts, can directly set the operational factor of device, regular maintenance management and the accident investigation of handled easily personnel to equipment, major loop adopts contactless solid-state relay 19 as core parts, modular structure, degree of protection are high, and Reliability of Microprocessor is good.
Finally should be noted that; above embodiment is only in order to illustrate the technical solution of the utility model; but not to the restriction of the utility model protection range; although with reference to preferred embodiment, the utility model has been done to explain; those of ordinary skill in the art is to be understood that; can modify or be equal to replacement the technical solution of the utility model, and not break away from essence and the scope of technical solutions of the utility model.
Claims (1)
1. the transformer with nitrogen filling fire extinguishing device, comprise transformer body, be provided with fuel tank in transformer body, fuel tank is connected with oil conservator and nitrogen filling fire extinguishing device, it is characterized in that: also comprise control device, connecting tube between oil conservator and fuel tank is provided with Buchholz relay, be provided with shut off valve between Buchholz relay and oil conservator, described nitrogen filling fire extinguishing device comprises nitrogen cylinder, nitrogen cylinder is connected with annotates the nitrogen pipeline, the port of export of annotating the nitrogen pipeline is located at the bottom of described fuel tank, annotate the nitrogen pipeline and be provided with nitrogen opens solenoid valve and vacuum solenoid valve, the top of described fuel tank is circumscribed with the oil extraction pipeline, the oil extraction pipeline finally accesses oil sump, the access section of oil extraction pipeline and the gradient of oil sump are 3%, the oil extraction pipeline is provided with quick oil-discharging electromagnetically operated valve and inspection hole, above-mentioned electromagnetically operated valve all is electrically connected to described control device, described nitrogen cylinder, vacuum solenoid valve, nitrogen opens solenoid valve and quick oil-discharging electromagnetically operated valve are provided with the fire extinguishing box of the above-mentioned parts of protection outward, described transformer body is provided with a plurality of hygrosensors, described inspection hole is transparent plexiglass plate, by flange, be fixed on the tube wall of described oil extraction pipeline, described control device includes photoelectrical coupler, central processing unit, touch-screen and contactless solid-state relay.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320399038.1U CN203377056U (en) | 2013-07-05 | 2013-07-05 | Transformer with nitrogen injecting and fire extinguishing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320399038.1U CN203377056U (en) | 2013-07-05 | 2013-07-05 | Transformer with nitrogen injecting and fire extinguishing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203377056U true CN203377056U (en) | 2014-01-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320399038.1U Expired - Fee Related CN203377056U (en) | 2013-07-05 | 2013-07-05 | Transformer with nitrogen injecting and fire extinguishing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203377056U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104934192A (en) * | 2015-06-23 | 2015-09-23 | 国家电网公司 | Main transformer nitrogen protection breather and application method thereof |
| CN105080001A (en) * | 2014-05-19 | 2015-11-25 | 庄孟文 | Anti-explosion fire extinguishing device for transformer |
-
2013
- 2013-07-05 CN CN201320399038.1U patent/CN203377056U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105080001A (en) * | 2014-05-19 | 2015-11-25 | 庄孟文 | Anti-explosion fire extinguishing device for transformer |
| CN104934192A (en) * | 2015-06-23 | 2015-09-23 | 国家电网公司 | Main transformer nitrogen protection breather and application method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SUBIAN (XUZHOU) ELECTRIC CO., LTD. Free format text: FORMER OWNER: LAI YAOHUA Effective date: 20140612 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| C53 | Correction of patent for invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Tu Changyi Inventor before: Lai Yaohua |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: LAI YAOHUA TO: TU CHANGYI Free format text: CORRECT: ADDRESS; FROM: 315700 NINGBO, ZHEJIANG PROVINCE TO: 221000 XUZHOU, JIANGSU PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20140612 Address after: 221000 Jiangsu city of Xuzhou province Clean Technology Industrial Park, Phoenix Avenue on the west side of the highway in South Sudan became Xu (Xuzhou) Electric Co. Ltd. Patentee after: Su change (Xuzhou) Electric Co., Ltd. Address before: 315700 Xiangshan, Zhejiang, Dandong street, Xiangshan Port Road, No. 79, No. Patentee before: Lai Yaohua |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140101 Termination date: 20150705 |
|
| EXPY | Termination of patent right or utility model |