CN214378191U - Outdoor high-voltage alternating-current vacuum circuit breaker - Google Patents
Outdoor high-voltage alternating-current vacuum circuit breaker Download PDFInfo
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- CN214378191U CN214378191U CN202120208734.4U CN202120208734U CN214378191U CN 214378191 U CN214378191 U CN 214378191U CN 202120208734 U CN202120208734 U CN 202120208734U CN 214378191 U CN214378191 U CN 214378191U
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Abstract
The utility model discloses an outdoor high-voltage AC vacuum circuit breaker, including the vacuum circuit breaker, be equipped with the base on the vacuum circuit breaker, the inside of base is equipped with arc extinguishing mechanism, the inside of arc extinguishing mechanism is equipped with vacuum interrupter B, vacuum interrupter B's bilateral symmetry is equipped with zero sequence current transformer, zero sequence current transformer installs inside the base shell, be equipped with big insulating cylinder above the base, be equipped with fixed baseplate inside big insulating cylinder, fixed baseplate's below is equipped with vacuum interrupter A, the connecting rod outside of vacuum interrupter A below is equipped with the conductive clip, one side of conductive clip and the appearance seat of big insulating cylinder outer wall are fixed connection, the below of connecting rod is equipped with insulating pull rod, be equipped with the transfer line between the bottom of insulating pull rod and the vacuum interrupter B, one side of transfer line adopts the spring fit installation, this vacuum circuit breaker adopts double vacuum interrupter, has more sensitive circuit-breaking efficiency, the circuit breaking efficiency is high.
Description
Technical Field
The utility model relates to a high-voltage alternating current vacuum circuit breaker technical field specifically is an outdoor high-voltage alternating current vacuum circuit breaker.
Background
The vacuum circuit breaker is named because arc extinguishing media and insulating media of contact gaps after arc extinguishing are high vacuum; the arc extinguishing device has the advantages of small volume, light weight, suitability for frequent operation and no need of maintenance for arc extinguishing, and is relatively popularized in power distribution networks. The vacuum circuit breaker is an indoor power distribution device in a 3-10 kV and 50Hz three-phase alternating-current system, can be used for protecting and controlling electrical equipment in industrial and mining enterprises, power plants and transformer substations, is particularly suitable for use places requiring no oil, less maintenance and frequent operation, and can be arranged in a middle cabinet, a double-layer cabinet and a fixed cabinet to be used for controlling and protecting high-voltage electrical equipment.
Currently, many forward and air-break circuit breakers employ a single vacuum interrupter, which makes the sensitivity of vacuum extinction not very high.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a be equipped with the base on vacuum circuit breaker, the inside of base is equipped with arc extinguishing mechanism, the inside of arc extinguishing mechanism is equipped with vacuum interrupter B, vacuum interrupter B's bilateral symmetry is equipped with zero sequence current transformer, zero sequence current transformer installs inside the base shell, the base top is equipped with big insulating cylinder, the inside fixed baseplate that is equipped with of big insulating cylinder, fixed baseplate's below is equipped with vacuum interrupter A, the connecting rod outside of vacuum interrupter A below is equipped with electrically conductive clamp, the one side of electrically conductive clamp and the appearance seat fixed connection of big insulating cylinder outer wall, the below of connecting rod is equipped with insulating pull rod, be equipped with the transfer line between insulating pull rod's bottom and the vacuum interrupter B, the outdoor high voltage alternating current vacuum circuit breaker of spring fit installation is adopted to one side of transfer line, in order to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an outdoor high pressure alternating current vacuum circuit breaker, includes vacuum circuit breaker, the last base that is equipped with of vacuum circuit breaker, the inside arc extinguishing mechanism that is equipped with of base, the inside vacuum interrupter B that is equipped with of arc extinguishing mechanism, the vertical inside that sets up at the base of vacuum interrupter B, the top of base is equipped with big insulating cylinder, the bottom and the base top fixed connection of big insulating cylinder, one side of big insulating cylinder is close to the bottom and is equipped with little insulating cylinder, the cooperation installation between big insulating cylinder, little insulating cylinder and the base.
Preferably, zero sequence current transformers are symmetrically arranged on two sides of the vacuum arc extinguish chamber B and fixedly connected with the inner wall of the base.
Preferably, the inside of big insulating cylinder is equipped with fixed baseplate, fixed baseplate and big insulating cylinder inner wall fixed connection, fixed baseplate's below central authorities are equipped with vacuum interrupter A, and the below connecting rod outside of vacuum interrupter A is equipped with electrically conductive clamp, electrically conductive clamp and the cooperation installation of big insulating cylinder inner wall, the outer wall of big insulating cylinder is equipped with the seat of being qualified for the next round of competitions, and the seat of being qualified for the next round of competitions is connected with electrically conductive clamp, electrically conductive below of pressing from both sides is equipped with insulating pull rod, fixed connection between insulating pull rod and the connecting rod.
Preferably, a connecting rod is arranged on one side of the outer portion of the base, a joint is arranged at one end of the connecting rod, the joint and the connecting rod are of an integrated structure, a small insulating cylinder is arranged above the connecting rod, and a conducting sheet is arranged between the small insulating cylinder and a wire outlet seat outside the large insulating cylinder.
Preferably, a transmission rod is arranged between the insulating pull rod inside the large insulating cylinder and the vacuum arc extinguish chamber B, one end of the transmission rod is movably connected with the bottom end of the insulating pull rod through a connecting shaft, a tension spring is arranged above one side of the transmission rod, and the other end of the tension spring is matched with a connecting column between the inner wall of the base for installation.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) the end head of one end of the connecting rod is provided with a joint, the joint and the connecting rod are of an integral structure, small insulating cylinders are arranged above the connecting rod, the small insulating cylinders are indirectly connected through the connecting rod, and the connecting rod also has the function of a bracket;
(2) a transmission rod is arranged between an insulating pull rod and a vacuum arc extinguish chamber B in the large insulating cylinder, one end of the transmission rod is movably connected with the bottom end of the insulating pull rod through a connecting shaft, a tension spring is arranged above one side of the transmission rod, the other end of the tension spring is matched with a connecting column between the inner wall of the base, one end of the transmission rod is always in elastic contact with the vacuum arc extinguish chamber B through the tension spring, and the arc extinguishing elasticity of an arc extinguishing mechanism in the base is better;
(3) the vacuum circuit breaker adopts double vacuum arc extinguish chambers, has more sensitive circuit breaking efficiency and high circuit breaking efficiency.
Drawings
Fig. 1 is a schematic structural view of the vacuum circuit breaker of the present invention;
fig. 2 is the schematic diagram of the internal structure of the vacuum circuit breaker of the present invention.
In the figure: 1. a vacuum circuit breaker; 2. a large insulating cylinder; 3. a wire outlet seat; 4. a conducting sheet; 5. a small insulating cylinder; 6. a joint; 7. a connecting rod; 8. a base; 9. an arc extinguishing mechanism; 10. fixing the substrate; 11. a vacuum arc-extinguishing chamber A; 12. a conductive clip; 13. a zero sequence current transformer; 14. an insulating pull rod; 15. a tension spring; 16. a transmission rod; 17. and a vacuum arc-extinguishing chamber B.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-2, the present invention provides a technical solution: the utility model provides an outdoor high pressure exchanges vacuum circuit breaker, including vacuum circuit breaker 1, be equipped with base 8 on vacuum circuit breaker 1, outside one side of base 8 is equipped with connecting rod 7, the one end of connecting rod 7 is equipped with connects 6, connect 6 and connecting rod 7 structure as an organic whole, the top of connecting rod 7 is equipped with little insulating cylinder 5, connect several little insulating cylinders 5 through connecting rod 7 is indirect, connecting rod 7 still has the effect of support simultaneously, be equipped with conduction piece 4 between the seat 3 of being qualified for the next round of competitions of 2 outsides of little insulating cylinder 5 and big insulating cylinder.
The inside of base 8 is equipped with arc extinguishing mechanism 9, and arc extinguishing mechanism 9 is inside to be equipped with vacuum interrupter B17, and the vertical inside that sets up at base 8 of vacuum interrupter B17, vacuum interrupter B17's bilateral symmetry are equipped with zero sequence current transformer 13, zero sequence current transformer 13 and 8 inner wall fixed connection of base.
The large insulating cylinder 2 is arranged above the base 8, the transmission rod 16 is arranged between the insulating pull rod 14 inside the large insulating cylinder 2 and the vacuum arc-extinguishing chamber B17, one end of the transmission rod 16 is movably connected with the bottom end of the insulating pull rod 14 through a connecting shaft, a tension spring 15 is arranged above one side of the transmission rod 16, the other end of the tension spring 15 is matched with a connecting column between the inner wall of the base 8, one end of the transmission rod 26 is always in elastic contact with the vacuum arc-extinguishing chamber B17 through the tension spring 15, and the arc-extinguishing elasticity of the arc-extinguishing mechanism 9 inside the base 8 is better.
The inside of big insulating cylinder 2 is equipped with fixed baseplate 10, fixed baseplate 10 and 2 inner wall fixed connection of big insulating cylinder, the below central authorities of fixed baseplate 10 are equipped with vacuum interrupter A11, the below connecting rod outside of vacuum interrupter A11 is equipped with electrically conductive clamp 12, electrically conductive clamp 12 and the cooperation installation of 2 inner walls of big insulating cylinder, the outer wall of big insulating cylinder 2 is equipped with out line seat 3, it is connected with electrically conductive clamp 12 to go out line seat 3, the below of electrically conductive clamp 12 is equipped with insulating pull rod 14, fixed connection between insulating pull rod 14 and the connecting rod, the bottom and the 8 top fixed connection of base of big insulating cylinder 2.
One side of big insulating cylinder 2 is close to the bottom and is equipped with little insulating cylinder 5, and the cooperation installation between big insulating cylinder 2, little insulating cylinder 5 and the base 8, little insulating cylinder 5 will big insulating cylinder 2 be connected with the inside vacuum interrupter B17 of base 8, plays the effect of connecting, and this vacuum circuit breaker is inside to adopt little insulating cylinder 5 to combine with big insulating cylinder 2, makes the effect of vacuum arc extinguishing better.
The vacuum circuit breaker adopts double vacuum arc extinguish chambers, has more sensitive circuit breaking efficiency and high circuit breaking efficiency.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. An outdoor high-voltage alternating-current vacuum circuit breaker, comprising a vacuum circuit breaker (1), characterized in that: be equipped with base (8) on vacuum circuit breaker (1), the inside of base (8) is equipped with arc extinguishing mechanism (9), arc extinguishing mechanism (9) inside is equipped with vacuum interrupter B (17), and the vertical inside that sets up at base (8) of vacuum interrupter B (17), the top of base (8) is equipped with big insulating cylinder (2), the bottom and base (8) top fixed connection of big insulating cylinder (2), one side of big insulating cylinder (2) is close to the bottom and is equipped with little insulating cylinder (5), the cooperation installation between big insulating cylinder (2), little insulating cylinder (5) and base (8).
2. An outdoor high voltage ac vacuum circuit breaker according to claim 1, characterized in that: and zero sequence current transformers (13) are symmetrically arranged on two sides of the vacuum arc extinguish chamber B (17), and the zero sequence current transformers (13) are fixedly connected with the inner wall of the base (8).
3. An outdoor high voltage ac vacuum circuit breaker according to claim 1, characterized in that: the inside of big insulating cylinder (2) is equipped with PMKD (10), PMKD (10) and big insulating cylinder (2) inner wall fixed connection, the below central authorities of PMKD (10) are equipped with vacuum interrupter A (11), and the below connecting rod outside of vacuum interrupter A (11) is equipped with electrically conductive clamp (12), electrically conducts clamp (12) and big insulating cylinder (2) inner wall cooperation installation, the outer wall of big insulating cylinder (2) is equipped with outlet wire seat (3), and outlet wire seat (3) and electrically conductive clamp (12) are connected, the below that electrically conducts clamp (12) is equipped with insulating pull rod (14), fixed connection between insulating pull rod (14) and the connecting rod.
4. An outdoor high voltage ac vacuum circuit breaker according to claim 1, characterized in that: the utility model discloses a wire drawing machine, including base (8), connecting rod (7), joint (6), connecting rod (7) and connecting rod (6) structure as an organic whole, the top of connecting rod (7) is equipped with little insulating cylinder (5), be equipped with between the play line seat (3) of little insulating cylinder (5) and big insulating cylinder (2) outside and lead to piece (4).
5. An outdoor high voltage ac vacuum circuit breaker according to claim 1, characterized in that: be equipped with between inside insulating pull rod (14) of big insulating cylinder (2) and vacuum interrupter B (17) transfer line (16), adopt connecting axle swing joint between the one end of transfer line (16) and the bottom of insulating pull rod (14), one side top of transfer line (16) is equipped with extension spring (15), and the spliced pole cooperation installation between the other end of extension spring (15) and base (8) inner wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120208734.4U CN214378191U (en) | 2021-01-26 | 2021-01-26 | Outdoor high-voltage alternating-current vacuum circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120208734.4U CN214378191U (en) | 2021-01-26 | 2021-01-26 | Outdoor high-voltage alternating-current vacuum circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214378191U true CN214378191U (en) | 2021-10-08 |
Family
ID=77959297
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120208734.4U Active CN214378191U (en) | 2021-01-26 | 2021-01-26 | Outdoor high-voltage alternating-current vacuum circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214378191U (en) |
-
2021
- 2021-01-26 CN CN202120208734.4U patent/CN214378191U/en active Active
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