CN216671491U - Environment-friendly gas insulation ring main unit circuit breaker switch mechanism - Google Patents
Environment-friendly gas insulation ring main unit circuit breaker switch mechanism Download PDFInfo
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- CN216671491U CN216671491U CN202123400677.9U CN202123400677U CN216671491U CN 216671491 U CN216671491 U CN 216671491U CN 202123400677 U CN202123400677 U CN 202123400677U CN 216671491 U CN216671491 U CN 216671491U
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Abstract
The utility model relates to an environment-friendly gas insulation ring main unit breaker switch mechanism, wherein a breaker switch is arranged on the inner side wall of the upper end of an outer shell; the breaker switch is connected with a breaker controller; an isolation grounding switch is arranged in the middle of the inner side wall of the outer shell and is positioned right below the circuit breaker switch; the inner side wall of the outer shell is communicated with the isolation grounding switch and is provided with an isolation grounding controller; the upper end face of the breaker switch is provided with wire inlet pipes at intervals; a vacuum arc extinguish chamber is arranged right below the breaker switch; an isolation static contact is arranged at the upper end of the isolation grounding switch and below the breaker switch; a disconnecting link base is arranged in the isolation grounding switch; the knife switch base is provided with a knife switch; the knife switch is clamped with a disc spring; the utility model can provide the environment-friendly gas insulated ring main unit breaker switch mechanism which has high on-off efficiency, good safety protection performance and tidy and convenient arrangement of internal parts of equipment.
Description
Technical Field
The utility model belongs to the related technical field of switch equipment, and particularly relates to an environment-friendly gas insulation ring main unit breaker switch mechanism.
Background
A circuit breaker is a switching device capable of closing, carrying, and opening/closing a current under an abnormal circuit condition within a prescribed time; the circuit breaker is divided into a high-voltage circuit breaker and a low-voltage circuit breaker according to the application range, the circuit breaker can be used for distributing electric energy, when an asynchronous motor is frequently started, a power supply circuit, the motor and the like are protected, when faults such as serious overload, short circuit, undervoltage and the like occur, the circuit can be automatically cut off, and the function of the circuit breaker is equivalent to the combination of a fuse type switch, an over-and-under-heat relay and the like.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an environment-friendly gas insulated ring main unit breaker switch mechanism which is high in on-off efficiency, good in safety protection performance, tidy in arrangement of internal parts of equipment and convenient to comb.
In order to achieve the purpose, the utility model provides the following technical scheme: an environment-friendly gas insulation ring main unit breaker switch mechanism comprises an outer shell, wherein a breaker switch is arranged on the inner side wall of the upper end of the outer shell; the inner side wall of the upper end of the outer shell is provided with a circuit breaker controller when the circuit breaker switch is switched on; an isolation grounding switch is arranged in the middle of the inner side wall of the outer shell and is positioned right below the circuit breaker switch; an isolation grounding controller is arranged on the inner side wall of the outer shell and communicated with the isolation grounding switch; the upper end face of the breaker switch is provided with wire inlet pipes at intervals; a vacuum arc extinguish chamber is arranged right below the breaker switch; an isolation static contact is arranged at the upper end of the isolation grounding switch and below the breaker switch; a disconnecting link base is arranged in the isolation grounding switch; the knife switch base is provided with a knife switch; the disconnecting link is clamped with a disc spring; the lower end of the isolation grounding switch is provided with a grounding static contact; a grounding lead is led out of the grounding fixed contact; a lead sleeve is sleeved on the grounding lead; and the lower end of the lead sleeve is provided with a wire outlet pipe in a butt joint mode.
As a further improvement of the utility model, the lead sleeve and the lead outlet pipe are supported and installed by adopting a support.
As a further improvement of the utility model, a clapboard is sleeved and mounted on the outer side of the breaker switch.
As a further improvement of the utility model, the maximum breaking value of the vacuum arc-extinguishing chamber is KA.
As a further improvement of the utility model, isolation plates are arranged between the breaker switch and the breaker controller and between the isolation grounding switch and the isolation grounding controller.
As a further improvement of the utility model, the isolating and grounding switch adopts a three-position isolating and grounding switch.
As a further improvement of the utility model, the outer side wall of the lead sleeve is provided with a charged sensor.
Compared with the prior art, the utility model has the beneficial effects that: according to the technical scheme, the vacuum arc-extinguishing chamber is installed right below the circuit breaker switch, the lead sleeve is provided with the electrified sensor, the preferred vacuum arc-extinguishing chamber enables the medium-high voltage circuit to rapidly extinguish arc and inhibit current after the power supply is cut off through excellent insulating property of vacuum in the vacuum arc-extinguishing chamber, accidents and accidents are avoided, then the electrified sensor can detect whether the circuit has an electric leakage condition in real time, and the overall safety performance of the equipment is improved through the double safety protection; this technical scheme circuit breaker switch and isolation earthing switch separately manage and control through circuit breaker controller and isolation earthing controller respectively, and install four above-mentioned parts amalgamation in same shell, at first can reduce the whole installation space of equipment like this, secondly separate the management and control and be convenient for operating personnel to the combing of circuit more.
Drawings
Fig. 1 is a schematic view of the internal front view structure of the present invention.
Fig. 2 is a schematic diagram of the internal left view structure of the present invention.
In the figure: 1. an outer housing; 2. a circuit breaker switch; 3. a circuit breaker controller; 4. an isolation grounding switch; 5. an isolated ground controller; 6. a wire inlet pipe; 7. a vacuum arc-extinguishing chamber; 8. isolating the static contact; 9. a disconnecting link base; 10. a disconnecting link; 11. a disc spring; 12. a grounding static contact; 13. a ground lead; 14. a lead bushing; 15. the tube appears; 16. a support; 17. a separator.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 2, the present invention provides a technical solution: an environment-friendly gas insulation ring main unit breaker switch mechanism comprises an outer shell 1, wherein a breaker switch 2 is installed on the inner side wall of the upper end of the outer shell 1; the inner side wall of the upper end of the outer shell 1 is provided with a breaker controller 3 which is communicated with the breaker switch 2; an isolation grounding switch 4 is arranged in the middle of the inner side wall of the outer shell 1 and is positioned right below the circuit breaker switch 2; an isolation grounding controller 5 is arranged on the inner side wall of the outer shell 1 and is communicated with the isolation grounding switch 4; the upper end surface of the breaker switch 2 is provided with inlet pipes 6 at intervals; a vacuum arc extinguish chamber 7 is arranged right below the circuit breaker switch 2; an isolation static contact 8 is arranged at the upper end of the isolation grounding switch 4 and below the circuit breaker switch 2; a disconnecting link base 9 is arranged in the isolation grounding switch 4; the knife switch 10 is arranged on the knife switch base 9; the knife switch 10 is clamped with a disc spring 11; the lower end of the isolation grounding switch 4 is provided with a grounding static contact 12; a grounding lead 13 is led out of the grounding static contact 12; a lead sleeve 14 is sleeved on the grounding lead 13; the lower end of the lead sleeve 14 is provided with a wire outlet pipe 15 in a butt joint mode; the lead bushing 14 and the outlet pipe 15 are supported and installed by a support 16; a clapboard 17 is sleeved and mounted on the outer side of the breaker switch 2; the maximum breaking value of the vacuum arc-extinguishing chamber 7 is 25 KA; isolation plates are arranged between the circuit breaker switch 2 and the circuit breaker controller 3 and between the isolation grounding switch 4 and the isolation grounding controller 5; the isolation grounding switch 4 adopts a three-station isolation grounding switch; the outer side wall of the leadthrough 14 is fitted with a live sensor.
When the circuit breaker is used, an external lead penetrates into the circuit breaker switch 2 from the lead-in pipe 6, the circuit breaker switch 2 is switched on and off through the circuit breaker controller 3, when the circuit needs to be switched on, the isolation grounding switch 4 is opened through the isolation grounding controller 5, namely, the disconnecting link and the isolation static contact 8 are in touch butt joint with the grounding static contact 12 through rotating the disconnecting link 10, and the disc spring 11 can realize automatic resetting of the disconnecting link 10.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides an environmental protection gas insulation looped netowrk cabinet circuit breaker switching mechanism which characterized in that: the circuit breaker comprises an outer shell (1), wherein a circuit breaker switch (2) is installed on the inner side wall of the upper end of the outer shell (1); the inner side wall of the upper end of the outer shell (1) is provided with a circuit breaker controller (3) which is communicated with the circuit breaker switch (2); an isolation grounding switch (4) is arranged in the middle of the inner side wall of the outer shell (1) and is positioned right below the circuit breaker switch (2); an isolation grounding controller (5) is arranged on the inner side wall of the outer shell (1) and is communicated with the isolation grounding switch (4); the upper end face of the breaker switch (2) is provided with wire inlet pipes (6) at intervals; a vacuum arc-extinguishing chamber (7) is arranged right below the breaker switch (2); an isolation static contact (8) is arranged at the upper end of the isolation grounding switch (4) and below the circuit breaker switch (2); a disconnecting link base (9) is arranged in the isolation grounding switch (4); a disconnecting link (10) is arranged on the disconnecting link base (9); a disc spring (11) is clamped and mounted on the disconnecting link (10); the lower end of the isolation grounding switch (4) is provided with a grounding static contact (12); a grounding lead (13) is led out of the grounding static contact (12); a lead sleeve (14) is sleeved on the grounding lead (13); and the lower end of the lead sleeve (14) is butted with a wire outlet pipe (15).
2. The switch mechanism of the environmental-friendly gas insulation ring main unit breaker according to claim 1, characterized in that: the lead sleeve (14) and the wire outlet pipe (15) are supported and installed by adopting a support (16).
3. The switch mechanism of the environmental-friendly gas insulation ring main unit breaker according to claim 1, characterized in that: the outside of circuit breaker switch (2) is cup jointed and is installed baffle (17).
4. The switch mechanism of the environmental-friendly gas-insulated ring main unit breaker according to claim 1, characterized in that: the maximum cut-off value of the vacuum arc-extinguishing chamber (7) is 25 KA.
5. The switch mechanism of the environmental-friendly gas insulation ring main unit breaker according to claim 1, characterized in that: and a separation plate is arranged between the breaker switch (2) and the breaker controller (3) and between the isolation grounding switch (4) and the isolation grounding controller (5).
6. The switch mechanism of the environmental-friendly gas insulation ring main unit breaker according to claim 1, characterized in that: the isolation grounding switch (4) adopts a three-position isolation grounding switch.
7. The switch mechanism of the environmental-friendly gas insulation ring main unit breaker according to claim 1, characterized in that: and the outer side wall of the lead sleeve (14) is provided with a charged sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123400677.9U CN216671491U (en) | 2021-12-31 | 2021-12-31 | Environment-friendly gas insulation ring main unit circuit breaker switch mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123400677.9U CN216671491U (en) | 2021-12-31 | 2021-12-31 | Environment-friendly gas insulation ring main unit circuit breaker switch mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216671491U true CN216671491U (en) | 2022-06-03 |
Family
ID=81799029
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123400677.9U Active CN216671491U (en) | 2021-12-31 | 2021-12-31 | Environment-friendly gas insulation ring main unit circuit breaker switch mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216671491U (en) |
-
2021
- 2021-12-31 CN CN202123400677.9U patent/CN216671491U/en active Active
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