CN219393251U - Indoor high-voltage three-station vacuum circuit breaker - Google Patents
Indoor high-voltage three-station vacuum circuit breaker Download PDFInfo
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- CN219393251U CN219393251U CN202320295107.8U CN202320295107U CN219393251U CN 219393251 U CN219393251 U CN 219393251U CN 202320295107 U CN202320295107 U CN 202320295107U CN 219393251 U CN219393251 U CN 219393251U
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- cabinet body
- circuit breaker
- voltage
- vacuum circuit
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Abstract
The utility model relates to the technical field of circuit breakers, in particular to an indoor high-voltage three-station vacuum circuit breaker which comprises a cabinet body, wherein an electric cabinet is arranged on one side of the cabinet body, a plurality of isolating switches are arranged on the top of the cabinet body, a solid-sealed polar pole is arranged in the middle of the cabinet body, a belt sensor is arranged on the lower portion of the cabinet body, a grounding switch is arranged at the bottom of the cabinet body, the top end of the solid-sealed polar pole is connected with a bottom connecting pole of the isolating switch, the bottom end of the solid-sealed polar pole is connected with the outer side of the belt sensor, and the inner side of the belt sensor is connected with a connecting pole of the grounding switch. In the indoor high-voltage three-station vacuum circuit breaker, various functions are controlled through the electric cabinet arranged in the indoor high-voltage three-station vacuum circuit breaker, so that the isolating switch function, the grounding switch function and the breaking switch function are realized, and the circuit breaker is ensured to be flexible and convenient to use. Can carry out effective heat dissipation with the electric cabinet through the louvre, carry out the isolation operation through isolator, carry out the earthing operation through earthing switch, can not infect each other, guarantee equipment steady operation.
Description
Technical Field
The utility model relates to the technical field of circuit breakers, in particular to an indoor high-voltage three-station vacuum circuit breaker.
Background
The circuit breaker is a switching device capable of switching on, carrying and off a current under normal circuit conditions and switching on, carrying and off a current under abnormal circuit conditions within a prescribed time, and is classified into a high-voltage circuit breaker and a low-voltage circuit breaker according to its use range, and the high-voltage and low-voltage boundary line division is fuzzy, and is generally referred to as a high-voltage electrical appliance of 3kV or more.
Patent publication number CN102117712a discloses a vacuum circuit breaker. When a plurality of components of the main circuit unit are integrally formed as one module by molding with epoxy resin, the main circuit unit can be easily manufactured, and assembly errors can be prevented. Since the main circuit units are symmetrically arranged with each other based on the driving unit, an insulation distance between the switching device and the main circuit unit can be obtained without increasing the size of the switching device. This allows the main circuit unit to be easily arranged at the right side or the left side depending on the insulating state of the switching device.
According to the technical scheme, although the insulation distance between the switch device and the main circuit unit can be obtained without increasing the size of the switch device, the isolating switch and the grounding switch are additionally added, and the isolating switch function, the grounding switch function and the breaking switch function are respectively realized by breaking switch accessories, so that the installation steps are complicated, the structure is complex, and great inconvenience is brought when the switch device is used.
Disclosure of Invention
The utility model aims to provide an indoor high-voltage three-station vacuum circuit breaker, which solves the problems of complicated installation steps, complex structure and great inconvenience in use in the prior art.
In order to achieve the above purpose, the utility model provides an indoor high-voltage three-station vacuum circuit breaker, which comprises a cabinet body, wherein an electric cabinet is arranged on one side of the cabinet body, a plurality of isolating switches are arranged on the top of the cabinet body, a solid sealing pole is arranged in the middle of the cabinet body, a belt sensor is arranged on the lower part of the cabinet body, a grounding switch is arranged on the bottom of the cabinet body, the top end of the solid sealing pole is connected with a bottom connecting pole of the isolating switch, the bottom end of the solid sealing pole is connected with the outer side of the belt sensor, and the inner side of the belt sensor is connected with a connecting pole of the grounding switch.
Preferably, a grounding switch button, an isolating switch button and a closing and locking switch are arranged below the outer wall of the electric cabinet.
Preferably, a closing button, a separating button and an indicator lamp are arranged above the outer wall of the electric cabinet.
Preferably, a cabinet door lock plate is arranged on one side of a cabinet door of the cabinet body.
Preferably, an arc extinguishing chamber is arranged in the cabinet body.
Preferably, two sides of the bottom of the cabinet body are provided with a brake separating spring.
Preferably, heat dissipation holes are formed in the outer walls of the two sides of the electric cabinet.
Preferably, one side of the isolating switch is connected with one side of the grounding switch through a connecting rod structure.
Compared with the prior art, the utility model has the beneficial effects that:
1. in the indoor high-voltage three-station vacuum circuit breaker, the function control of three stations is carried out through the isolating switch and the grounding switch arranged in the indoor high-voltage three-station vacuum circuit breaker, so that the isolating switch function, the grounding switch function and the breaking switch function are realized, and the circuit breaker is ensured to be flexible and convenient to use.
2. In this indoor high-voltage three-station vacuum circuit breaker, can carry out effective heat dissipation with the electric cabinet through the louvre, carry out the isolation operation through isolator, carry out the earthing operation through earthing switch, can not infect each other, guarantee equipment steady operation.
Drawings
FIG. 1 is a schematic diagram of the front structure of the present utility model;
fig. 2 is a schematic side view of the present utility model.
The meaning of each reference sign in the figure is:
1. a cabinet body; 11. a cabinet door lock plate; 2. an isolating switch; 3. sealing the polar post; 4. a belt sensor; 5. a grounding switch; 6. an electric control box; 61. a ground switch button; 62. isolating the switch button; 63. closing a locking switch; 64. a closing button; 65. a brake release button; 66. an indicator light; 67. a heat radiation hole; 7. a brake separating spring; 8. a connecting rod structure.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The utility model provides an indoor high-voltage three-station vacuum circuit breaker, which is shown in fig. 1-2, and comprises a cabinet body 1, wherein an electric cabinet 6 is arranged on one side of the cabinet body 1, a plurality of isolating switches 2 are arranged on the top of the cabinet body 1, a solid sealing pole 3 is arranged in the middle of the cabinet body 1, a belt sensor 4 is arranged on the lower part of the cabinet body 1, a grounding switch 5 is arranged on the bottom of the cabinet body 1, the top end of the solid sealing pole 3 is connected with a connecting pole at the bottom of the isolating switch 2, the bottom end of the solid sealing pole 3 is connected with the outer side of the belt sensor 4, and the inner side of the belt sensor 4 is connected with a connecting pole of the grounding switch 5.
In this embodiment, a grounding switch button 61, a disconnecting switch button 62 and a closing locking switch 63 are installed below the outer wall of the electric cabinet 6, the grounding switch button 61 and the disconnecting switch button 62 respectively start the grounding switch 5 and the disconnecting switch 2, and the closing locking switch 63 is used for locking closing and opening.
Specifically, a closing button 64, a brake opening button 65 and an indicator lamp 66 are installed above the outer wall of the electric cabinet 6, and brake opening and closing operations are performed respectively.
Further, a cabinet door lock plate 11 is installed on one side of the cabinet door of the cabinet body 1 and is used for sealing the outer side of the cabinet body 1.
Further, the arc extinguishing chamber is arranged in the cabinet body 1, a certain isolation effect is achieved, and electrical isolation in the cabinet body 1 is guaranteed.
Furthermore, two sides of the bottom of the cabinet body 1 are provided with a switching-off spring 7 for the action of the grounding switch 5 during switching-on and switching-off.
Further, heat dissipation holes 67 are formed in the outer walls of the two sides of the electric cabinet 6, and are used for dissipating heat from the outer walls of the electric cabinet 6.
Further, one side of the isolating switch 2 is connected with one side of the grounding switch 5 through a connecting rod structure 8, synchronous action of the isolating switch 2 and the grounding switch 5 is achieved through the connecting rod structure 8, when the isolating switch 2 is separated, the grounding switch 5 is closed, and when the isolating switch 2 is closed, the grounding switch 5 is separated.
When the indoor high-voltage three-station vacuum circuit breaker is used, the circuit breaker is firstly installed and fixed, when power is transmitted, a cabinet door of the upper cabinet body 1 is firstly closed, then the grounding switch 5 is separated, the isolating switch 2 is closed, then the closing locking switch 63 is closed, and finally the circuit breaker is closed; when power failure operation is needed, the circuit breaker is separated firstly, then the closing locking switch 63 is released, the isolating switch 2 is separated, then the grounding switch 5 is closed, and then the cabinet door of the cabinet body 1 is opened.
Finally, it should be noted that, in the embodiment, the electrical components of the electrical sensor 4 are all universal standard components or components known to those skilled in the art, the structure and principle of the electrical components are all known to those skilled in the art through technical manuals or known through routine experiment methods, at the idle position of the device, all electrical components are connected through wires, and specific connection means should refer to the sequential working order of the electrical components in the working principle to complete electrical connection, which is known in the art.
The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (8)
1. The utility model provides an indoor high-voltage three-station vacuum circuit breaker, includes cabinet body (1), its characterized in that: electric cabinet (6) are installed to one side of the cabinet body (1), a plurality of isolator (2) are installed at the top of the cabinet body (1), solid utmost point post (3) are sealed to mid-mounting of the cabinet body (1), take electric sensor (4) are installed to the lower part of the cabinet body (1), earthing switch (5) are installed to the bottom of the cabinet body (1), the top of solid utmost point post (3) is connected with the bottom spliced pole of isolator (2), the bottom of solid utmost point post (3) is connected with the outside of taking electric sensor (4), the inboard of taking electric sensor (4) is connected with the spliced pole of earthing switch (5).
2. The indoor high-voltage three-station vacuum circuit breaker of claim 1, wherein: and a grounding switch button (61), an isolating switch button (62) and a closing locking switch (63) are arranged below the outer wall of the electric cabinet (6).
3. The indoor high-voltage three-station vacuum circuit breaker of claim 1, wherein: a closing button (64), a separating button (65) and an indicator lamp (66) are arranged above the outer wall of the electric cabinet (6).
4. The indoor high-voltage three-station vacuum circuit breaker of claim 1, wherein: a cabinet door lock plate (11) is arranged on one side of a cabinet door of the cabinet body (1).
5. The indoor high-voltage three-station vacuum circuit breaker of claim 1, wherein: an arc extinguishing chamber is arranged in the cabinet body (1).
6. The indoor high-voltage three-station vacuum circuit breaker of claim 1, wherein: the two sides of the bottom of the cabinet body (1) are provided with a brake separating spring (7).
7. The indoor high-voltage three-station vacuum circuit breaker of claim 1, wherein: and heat dissipation holes (67) are formed in the outer walls of the two sides of the electric cabinet (6).
8. The indoor high-voltage three-station vacuum circuit breaker of claim 1, wherein: one side of the isolating switch (2) is connected with one side of the grounding switch (5) through a connecting rod structure (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320295107.8U CN219393251U (en) | 2023-02-23 | 2023-02-23 | Indoor high-voltage three-station vacuum circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320295107.8U CN219393251U (en) | 2023-02-23 | 2023-02-23 | Indoor high-voltage three-station vacuum circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219393251U true CN219393251U (en) | 2023-07-21 |
Family
ID=87191094
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320295107.8U Active CN219393251U (en) | 2023-02-23 | 2023-02-23 | Indoor high-voltage three-station vacuum circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219393251U (en) |
-
2023
- 2023-02-23 CN CN202320295107.8U patent/CN219393251U/en active Active
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