CN212303535U - Dual-power solid-sealed polar pole - Google Patents
Dual-power solid-sealed polar pole Download PDFInfo
- Publication number
- CN212303535U CN212303535U CN202021508382.6U CN202021508382U CN212303535U CN 212303535 U CN212303535 U CN 212303535U CN 202021508382 U CN202021508382 U CN 202021508382U CN 212303535 U CN212303535 U CN 212303535U
- Authority
- CN
- China
- Prior art keywords
- pull rod
- power supply
- extinguishing chamber
- vacuum arc
- insulating pull
- 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
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Abstract
The utility model relates to a dual supply seals utmost point post admittedly, including setting up the insulated column on the framework, the first insulation pull rod, first conducting block, first vacuum interrupter, electrically conductive clamp, second vacuum interrupter, the second conducting block, the insulating pull rod of second, be provided with first moving contact in the first vacuum interrupter, first static contact, be provided with the second moving contact in the second vacuum interrupter, the second static contact, first moving contact, the second moving contact is along with the first insulation pull rod respectively, the insulating pull rod action of second just can realize the switch-on or the disconnection of two way power supply circuit, be provided with respectively on the insulated column with first conducting block, electrically conductive clamp, the arm is touched to the common power supply that the second conducting block electricity is connected, it touches the arm to be qualified for the next round of competitions, stand-by power supply touches the arm. The utility model has the advantages of simple structure, stable and reliable performance, compact structure, convenient installation.
Description
Technical Field
The utility model relates to a vacuum circuit breaker, concretely relates to double power supply seals utmost point post admittedly for on double power supply vacuum circuit breaker.
Background
With the development of society, many users in an electric power distribution system have high requirements on power supply reliability, such as coal mines and oil refineries, once a power failure accident occurs to the units, the units will bring about great economic loss and even casualties, so that in the power supply system of the units, a common power supply and a standby power supply are required to be provided, when the power failure accident occurs to the common power supply, the standby power supply must be immediately put into power restoration, and in order to achieve the purpose, automatic switching between the common power supply and the standby power supply is required to be performed through a dual-power switching mechanism. The dual-power vacuum circuit breaker is used for opening, closing, bearing load current, overload current and short-circuit current in a medium-voltage power distribution system, and automatically switching common power supplies and standby power supplies. The method is widely applied to power plants, power grids, petrifaction, metallurgy, subways, airports, buildings and the like. The conventional dual-power vacuum circuit breaker comprises a machine frame, a common power supply operating mechanism arranged on the machine frame, dual-power solid-sealed poles arranged on the machine frame, a common power supply operating mechanism and a standby power supply operating mechanism which are respectively arranged on the machine frame and used for controlling the on-off of the dual-power solid-sealed poles, and an interlocking mechanism arranged between the common power supply operating mechanism and the standby power supply operating mechanism. The existing dual-power solid-sealed polar pole is unreasonable in structural design and has the defects of complex structure, unreliable performance and inconvenient installation.
Disclosure of Invention
An object of the utility model is to overcome prior art's defect, provide a simple structure, stable performance are reliable, compact structure, install convenient dual supply and seal utmost point post admittedly.
In order to achieve the above purpose, the utility model adopts a dual-power solid-sealed pole, which comprises an insulating column arranged on a frame, a first insulating pull rod, a first conductive block, a first vacuum arc-extinguishing chamber, a conductive clamp, a second vacuum arc-extinguishing chamber, a second conductive block and a second insulating pull rod, wherein the first insulating pull rod, the first conductive block, the first vacuum arc-extinguishing chamber, the conductive clamp, the second vacuum arc-extinguishing chamber, the second conductive block and the second insulating pull rod are arranged in the insulating column from top to bottom in sequence, the first vacuum arc-extinguishing chamber is internally provided with a first moving contact and a first static contact, the second vacuum arc-extinguishing chamber is internally provided with a second moving contact and a second static contact, the first moving contact and the second moving contact respectively act along with the first insulating pull rod and the second insulating pull rod and can realize the connection or disconnection of a power supply loop, and the insulating column is respectively provided with a common power supply contact arm, an outgoing line contact arm and a standby power supply contact arm which are electrically connected with the first conductive block, the conductive clamp and the second conductive block.
The beneficial effect of above-mentioned structure is: the first vacuum arc-extinguishing chamber and the second vacuum arc-extinguishing chamber are respectively arranged in the insulating column, and the common power supply operating mechanism and the standby power supply operating mechanism can respectively control the connection or disconnection of the first vacuum arc-extinguishing chamber and the second vacuum arc-extinguishing chamber, so that the connection or disconnection of two paths of power supply loops of the dual-power-supply solid-sealed pole can be realized. Therefore, the dual-power solid-sealed polar pole has the advantages of simple structure, stable and reliable performance, compact structure and convenience in installation.
Particularly, the common power supply contact arm, the outgoing line contact arm and the standby power supply contact arm are all provided with plum blossom-shaped contacts. The quincuncial contacts are arranged on the common power supply contact arm, the outgoing line contact arm and the standby power supply contact arm, so that wiring of a user is facilitated, and the use is more convenient.
Drawings
Fig. 1 is an internal structure diagram of the embodiment of the present invention.
Detailed Description
As shown in fig. 1, an embodiment of the present invention is a dual-power-supply embedded pole, including an insulating column 20 disposed on a frame 10, a first insulating pull rod 21, a first conductive block 22, a first vacuum arc-extinguishing chamber 23, a conductive clamp 24, a second vacuum arc-extinguishing chamber 25, a second conductive block 26 linked with a common power operating mechanism, and a second insulating pull rod 27 linked with a standby power operating mechanism, wherein the first insulating pull rod 21, the first conductive block 22, the first vacuum arc-extinguishing chamber 23, the conductive clamp 24, the second vacuum arc-extinguishing chamber 25, the second conductive block 26, and the second insulating pull rod 27 are sequentially disposed in the insulating column 20 from top to bottom, the first vacuum arc-extinguishing chamber 23 is provided with a first movable contact and a first fixed contact, the second vacuum arc-extinguishing chamber 25 is provided with a second movable contact and a second fixed contact, the first movable contact and the second movable contact are respectively disposed along with the first insulating pull rod 21, The second insulating pull rod 27 acts and can realize the connection or disconnection of two power supply loops, and the insulating column 20 is respectively provided with a common power supply contact arm 28, an outgoing line contact arm 29 and a standby power supply contact arm 30 which are electrically connected with the first conductive block 22, the conductive clamp 24 and the second conductive block 26.
The common power supply contact arm 28, the outgoing line contact arm 29 and the standby power supply contact arm 30 are all provided with plum blossom-shaped contacts 31. The quincuncial contacts are arranged on the common power supply contact arm, the outgoing line contact arm and the standby power supply contact arm, so that wiring of a user is facilitated, and the use is more convenient.
The first vacuum arc-extinguishing chamber and the second vacuum arc-extinguishing chamber are respectively arranged in the insulating column, and the common power supply operating mechanism and the standby power supply operating mechanism can respectively control the connection or disconnection of the first vacuum arc-extinguishing chamber and the second vacuum arc-extinguishing chamber, so that the connection or disconnection of two paths of power supply loops of the dual-power-supply solid-sealed pole can be realized. Therefore, the dual-power solid-sealed polar pole has the advantages of simple structure, stable and reliable performance, compact structure and convenience in installation.
Claims (2)
1. The utility model provides a dual supply seals utmost point post admittedly which characterized in that: the solid-sealed polar pole comprises an insulating column arranged on a framework, a first insulating pull rod, a first conductive block, a first vacuum arc-extinguishing chamber, a conductive clamp, a second vacuum arc-extinguishing chamber, a second conductive block and a second insulating pull rod, wherein the first insulating pull rod, the first conductive block, the first vacuum arc-extinguishing chamber, the conductive clamp, the second vacuum arc-extinguishing chamber, the second conductive block and the second insulating pull rod are arranged in the insulating column in a linkage manner, the first insulating pull rod, the first conductive block, the first vacuum arc-extinguishing chamber, the conductive clamp, the second vacuum arc-extinguishing chamber, the second conductive block and the second insulating pull rod are sequentially arranged in the insulating column from top to bottom, a first movable contact and a first static contact are arranged in the first vacuum arc-extinguishing chamber, a second movable contact and a second static contact are arranged in the second vacuum arc-extinguishing chamber, the first movable contact and the second movable contact respectively act along with the first insulating pull rod and the second insulating pull rod and can, The conductive clamp, the common power supply contact arm, the outgoing line contact arm and the standby power supply contact arm are electrically connected with the second conductive block.
2. The dual-power-supply embedded pole column of claim 1, wherein: the common power supply contact arm, the outgoing line contact arm and the standby power supply contact arm are all provided with plum blossom-shaped contacts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021508382.6U CN212303535U (en) | 2020-07-27 | 2020-07-27 | Dual-power solid-sealed polar pole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021508382.6U CN212303535U (en) | 2020-07-27 | 2020-07-27 | Dual-power solid-sealed polar pole |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212303535U true CN212303535U (en) | 2021-01-05 |
Family
ID=73938790
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021508382.6U Expired - Fee Related CN212303535U (en) | 2020-07-27 | 2020-07-27 | Dual-power solid-sealed polar pole |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212303535U (en) |
-
2020
- 2020-07-27 CN CN202021508382.6U patent/CN212303535U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210105 Termination date: 20210727 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |