CN205508707U - Transformer buchholz relay - Google Patents
Transformer buchholz relay Download PDFInfo
- Publication number
- CN205508707U CN205508707U CN201620220101.4U CN201620220101U CN205508707U CN 205508707 U CN205508707 U CN 205508707U CN 201620220101 U CN201620220101 U CN 201620220101U CN 205508707 U CN205508707 U CN 205508707U
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- CN
- China
- Prior art keywords
- movable contact
- lubricating cup
- stationary contact
- support
- transformer
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- Expired - Fee Related
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Abstract
The utility model discloses a transformer buchholz relay, including casing, apron, support and bleed valve, the apron is established on the casing, the apron is connected with housing seal, prop up and set up in the casing, support and casing fixed connection, the bleed valve is established on the apron, support one side is provided with stationary contact, lower stationary contact, goes up oil cup and lower oil cup, go up stationary contact and stationary contact down respectively with support fixed connection, upward be provided with the pivot on oil cup and the lower oil cup respectively, go up oil cup and oil cup down through the pivot respectively with rotate bracket connection, oil bottom of cup portion and install the movable contact, the movable contact is installed down to the oil cup bottom down, and this transformer buchholz relay action is reliable and stable, and convenient operation can protect the transformer effectively.
Description
Technical field
This utility model relates to a kind of Transformer Gas Relay.
Background technology
Gas relay is the important safety protection device on oil-filled transformer; it is arranged in the union of transformer box cover and oil conservater; signal or trip(ping) circuit is connected under the gas or oil stream effect of power transformer interior fault generation; make relevant device signal an alert or make transformator excise from electrical network, reaching to protect the effect of transformator.
Gas relay promotes the element of the actuating of relay also known as Buchholz relay, the deep fat stream produced when being to utilize transformator internal fault and thermal current, is the protection element of transformator；Buchholz relay is contained in the pipeline between the conservator of transformator and fuel tank；If oil-filled inside transformer generation discharge fault, electrical discharge arc makes transformer oil decompose, produce the various features gases such as methane, acetylene, hydrogen, carbon monoxide, carbon dioxide, ethylene, ethane, fault is the most serious, the amount of gas is the biggest, rise to the conservator on top after the generation of these gas from inside transformer during, flow through Buchholz relay；If gas flow is less, then gas is built up in Buchholz relay, makes float decline, and makes the normal opened contact of relay close, acts on light gas protecting and send warning signal；If gas flow is very big, oil gas is quickly gone out by Buchholz relay, promotes baffle action in Buchholz relay, makes another group normal opened contact Guan Bi, and grave gas then directly initiates relay protection tripping operation, cut-off breaker, excises failure transformer.
Current existing gas transformer structure is complicated, and action stability is poor, and safety can not be guaranteed.
Utility model content
It is reliable that the technical problems to be solved in the utility model is to provide a kind of having stable behavior, easy to operate, it is possible to effectively to protect the Transformer Gas Relay of transformator.
For solving the problems referred to above, this utility model adopts the following technical scheme that a kind of Transformer Gas Relay, including housing, cover plate, support and vent valve, described cover plate is located on housing, described cover plate is hermetically connected with the shell, described is erected in housing, described support is fixedly connected with the casing, described vent valve sets on the cover board, described support side is provided with stationary contact, lower stationary contact, upper lubricating cup and lower lubricating cup, described upper stationary contact and lower stationary contact are fixing with support respectively to be connected, it is respectively arranged with rotating shaft on described upper lubricating cup and lower lubricating cup, described upper lubricating cup and lower lubricating cup are connected with holder pivots respectively by rotating shaft, bottom described upper lubricating cup, movable contact is installed, bottom described lower lubricating cup, lower movable contact is installed.
As preferably, described upper movable contact and upper stationary contact are in being correspondingly arranged, and in convenience, movable contact is energized when contacting with upper stationary contact.
As preferably, described lower stationary contact and lower movable contact are in being correspondingly arranged, and convenient lower stationary contact is energized when contacting with lower movable contact.
As preferably, described support is provided with through hole, is effectively reduced the weight of support, keep easy for installation.
As preferably, described upper movable contact and lower movable contact are separately installed with permanent magnet, it is possible in holding, movable contact and lower movable contact have adsorption magnetic force.
The beneficial effects of the utility model are: the support of setting keeps easy for installation, simple in construction, rotating shaft can keep movable contact and lower movable contact having stable behavior reliable, easy to operate, upper lubricating cup and lower lubricating cup can have buoyancy in the case of having transformer oil so that upper movable contact disconnects with lower movable contact with upper stationary contact, lower stationary contact.
Accompanying drawing explanation
Fig. 1 is the plan structure figure of a kind of Transformer Gas Relay of this utility model.
Detailed description of the invention
As shown in Figure 1, a kind of Transformer Gas Relay, including housing 1, cover plate 2, support 3 and vent valve 4, described cover plate 2 is located on housing 1, described cover plate 2 is tightly connected with housing 1, described support 3 is located in housing 1, described support 3 is fixing with housing 1 to be connected, described vent valve 4 is located on cover plate 2, described support 3 side is provided with stationary contact 5, lower stationary contact 6, upper lubricating cup 7 and lower lubricating cup 8, described upper stationary contact 5 and lower stationary contact 6 are fixing with support 3 respectively to be connected, it is respectively arranged with rotating shaft 9 on described upper lubricating cup 7 and lower lubricating cup 8, described upper lubricating cup 7 and lower lubricating cup 8 are rotationally connected with support 3 respectively by rotating shaft 9, bottom described upper lubricating cup 7, movable contact 10 is installed, lower movable contact 11 is installed bottom described lower lubricating cup 8.
Described upper movable contact 10 and upper stationary contact 5 are in being correspondingly arranged.
Described lower stationary contact 11 and lower movable contact 6 are in being correspondingly arranged.
It is provided with through hole 12 on described support 3.
It is separately installed with permanent magnet 13 on described upper movable contact 10 and lower movable contact 11.
In use, when oil tank of transformer breaks down, the gas of decomposition enters at gas relay, is gathered at cover plate 2 and forms certain pressure, transformer oil surface height is forced down, buoyancy suffered by upper lubricating cup 7 reduces, and starts to rotate with the reduction of pasta so that permanent magnet 13 makes movable contact 10 contact with upper stationary contact, alarm is sent after connection, the page continues to decline, and lower stationary contact 11 contacts with lower movable contact 6, sends dual alarm.
The beneficial effects of the utility model are: the support of setting keeps easy for installation, simple in construction, rotating shaft can keep movable contact and lower movable contact having stable behavior reliable, easy to operate, upper lubricating cup and lower lubricating cup can have buoyancy in the case of having transformer oil so that upper movable contact disconnects with lower movable contact with upper stationary contact, lower stationary contact.
The above, detailed description of the invention the most of the present utility model, but protection domain of the present utility model is not limited thereto, any change expected without creative work or replacement, all should contain within protection domain of the present utility model.
Claims (5)
1. a Transformer Gas Relay, it is characterized in that: include housing, cover plate, support and vent valve, described cover plate is located on housing, described cover plate is hermetically connected with the shell, described is erected in housing, described support is fixedly connected with the casing, described vent valve sets on the cover board, described support side is provided with stationary contact, lower stationary contact, upper lubricating cup and lower lubricating cup, described upper stationary contact and lower stationary contact are fixing with support respectively to be connected, it is respectively arranged with rotating shaft on described upper lubricating cup and lower lubricating cup, described upper lubricating cup and lower lubricating cup are connected with holder pivots respectively by rotating shaft, bottom described upper lubricating cup, movable contact is installed, bottom described lower lubricating cup, lower movable contact is installed.
Transformer Gas Relay the most according to claim 1, it is characterised in that: described upper movable contact and upper stationary contact are in being correspondingly arranged.
Transformer Gas Relay the most according to claim 1, it is characterised in that: described lower stationary contact and lower movable contact are in being correspondingly arranged.
Transformer Gas Relay the most according to claim 1, it is characterised in that: it is provided with through hole on described support.
Transformer Gas Relay the most according to claim 1, it is characterised in that: it is separately installed with permanent magnet on described upper movable contact and lower movable contact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620220101.4U CN205508707U (en) | 2016-03-22 | 2016-03-22 | Transformer buchholz relay |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620220101.4U CN205508707U (en) | 2016-03-22 | 2016-03-22 | Transformer buchholz relay |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205508707U true CN205508707U (en) | 2016-08-24 |
Family
ID=56731986
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620220101.4U Expired - Fee Related CN205508707U (en) | 2016-03-22 | 2016-03-22 | Transformer buchholz relay |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205508707U (en) |
-
2016
- 2016-03-22 CN CN201620220101.4U patent/CN205508707U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170407 Address after: 510000 Guangzhou City, Whampoa Province, Li Lian Jie street, the union of the club No. eleven, No. 1 building Patentee after: GUANGZHOU HAIYOU ELECTRONICS CO., LTD. Address before: 511486 South Street Guangdong city of Guangzhou province Panyu District Bridge Chen Yong Cun Xingye Road eleven East Road No. 6 cross row Patentee before: Guangzhou Nenghui Electronics Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160824 Termination date: 20180322 |