CN216562921U - Insulating upper column shell structure of column box type high-voltage switch - Google Patents
Insulating upper column shell structure of column box type high-voltage switch Download PDFInfo
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- CN216562921U CN216562921U CN202123137269.9U CN202123137269U CN216562921U CN 216562921 U CN216562921 U CN 216562921U CN 202123137269 U CN202123137269 U CN 202123137269U CN 216562921 U CN216562921 U CN 216562921U
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Abstract
The application relates to an insulating upper column shell structure of a column box type high-voltage switch, the column box type high-voltage switch comprises an upper column shell, a lower box shell and an intermediate fixing plate, the upper column shell, the lower box shell and the intermediate fixing plate are made of insulating materials, a high-voltage path assembly is arranged in the upper column shell, a low-voltage control assembly is arranged in the lower box shell, and the intermediate fixing plate is used for fixing the upper column shell and the lower box shell; the upper end of the upper column shell is provided with a vacuum arc extinguish chamber insulating cavity and a voltage sensor insulating cavity which are integrated with the upper column shell; the upper end of the vacuum arc extinguish chamber insulating cavity and the upper side wall of the upper column shell are of an integral structure, and a high-voltage wire outlet hole is formed in the center of the upper end of the vacuum arc extinguish chamber insulating cavity; the lower end of the insulating cavity of the vacuum arc-extinguishing chamber is opened; the inner side wall of the voltage sensor insulation cavity and the inner side wall of the upper column shell are of an integrated structure, the right side wall of the voltage sensor insulation cavity and the left side wall of the vacuum arc extinguish chamber insulation cavity are of an integrated structure, and the lower end of the voltage sensor insulation cavity is open and used for installing a voltage sensor. The column box type high-voltage switch capable of combining the advantages of the column type high-voltage switch and the box type high-voltage switch is designed.
Description
Technical Field
The utility model relates to the technical field of high-voltage switches, in particular to an insulating upper column shell structure of a column box type high-voltage switch.
Background
The high-voltage switch (or called high-voltage circuit breaker) not only can cut off or close the no-load current and load current in the high-voltage circuit, but also can cut off the overload current and short-circuit current by the action of the relay protection device when the system is in fault, and has rather perfect arc extinguishing structure and enough current breaking capacity.
Existing high-voltage switches are mainly classified into two categories: strut-type high-voltage switches and box-type high-voltage switches.
The strut type high-voltage switch, such as the ZW32 type high-voltage switch, has large volume, and the adopted incoming line terminal, outgoing line terminal or ceramic insulating sleeve and the like are large-volume accessories, so the installation is not easy, the occupied area is large, and the application range is limited; and when the electric signal that needs to gather, can only adopt the external mode of mutual-inductor, the potential safety hazard is big.
The box type high-voltage switch, such as a ZW20 type high-voltage switch, is internally filled with SF6 gas, and has a gas leakage factor; under the action of electric arc and corona, SF6 gas is decomposed to produce low-fluorine compounds which can cause damage to the insulating material, and the low-fluorine compounds are extremely toxic gases and are not environment-friendly.
Therefore, a column box type high-voltage switch capable of combining the advantages of a column type high-voltage switch and a box type high-voltage switch is designed, the column box type high-voltage switch comprises an upper column shell, a lower box shell and an intermediate fixing plate, the upper column shell is made of insulating materials, a high-voltage path assembly is arranged in the upper column shell, a low-voltage control assembly is arranged in the lower box shell, and the intermediate fixing plate is used for fixing the upper column shell and the lower box shell; however, because the upper column shell is also internally packaged with electrical components such as a vacuum arc-extinguishing chamber, a voltage sensor and the like, the existing shell structure is not suitable for the upper column shell.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an insulating upper column shell structure of a column box type high-voltage switch, which can meet the requirement of packaging electrical components such as a vacuum arc-extinguishing chamber, a voltage sensor and the like by the column box type high-voltage switch.
In order to achieve the purpose, the utility model adopts the following technical scheme:
an insulating upper column shell structure of a column box type high-voltage switch comprises an upper column shell, a lower box shell and an intermediate fixing plate, wherein the upper column shell, the lower box shell and the intermediate fixing plate are made of insulating materials; the upper end of the upper column shell is provided with a vacuum arc extinguish chamber insulating cavity and a voltage sensor insulating cavity, and the vacuum arc extinguish chamber insulating cavity and the voltage sensor insulating cavity are integrated with the upper column shell;
the upper end of the vacuum arc extinguish chamber insulating cavity and the upper side wall of the upper column shell are of an integral structure, and a high-voltage wire outlet hole is formed in the center of the upper end of the vacuum arc extinguish chamber insulating cavity and used for leading out a high-voltage wire; the lower end of the vacuum arc extinguish chamber insulating cavity is provided with an opening for installing the vacuum arc extinguish chamber;
the insulating cavity of voltage sensor's inside wall and the inside wall structure as an organic whole of last column shell, the insulating cavity of voltage sensor's right side wall and vacuum interrupter insulating cavity's left side wall structure as an organic whole, the insulating cavity lower extreme opening of voltage sensor for install voltage sensor.
Still be provided with first conducting block, conducting rod and copper pad in the upper column shell, first conducting block set up in voltage sensor insulation cavity upper side wall for draw voltage sensor's collection line, the first end and the first conducting block electricity of conducting rod be connected, the copper pad set up on vacuum interrupter insulation cavity upper side wall in and be connected with the high-pressure is qualified for the next round of competitions the electricity, the second end and the copper pad electricity of conducting rod be connected.
The conducting rod is packaged in the side wall of the insulating cavity of the vacuum arc extinguish chamber.
And a second conducting block is further arranged in the upper column shell, and the second conducting block is arranged in the lower end opening of the insulating cavity of the vacuum arc extinguish chamber and used for introducing a high-voltage incoming wire into the vacuum arc extinguish chamber.
Compared with the prior art, the utility model has the beneficial effects that:
the insulating upper column shell structure of the column box type high-voltage switch combines the advantages of the existing column type high-voltage switch and the existing box type high-voltage switch, and the upper column shell is also provided with a space which is provided with the vacuum arc extinguish chamber insulating cavity and the voltage sensor insulating cavity, so that the requirements of the column box type high-voltage switch on packaging of electric components such as the vacuum arc extinguish chamber, the voltage sensor and the like can be met.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic structural diagram of the present invention.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is to be understood that the described embodiments are only a part of the embodiments of the present invention, and 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.
As shown in fig. 1: the utility model relates to an insulating upper column shell 1 structure of a column box type high-voltage switch, which comprises an upper column shell 1, a lower column shell and an intermediate fixing plate, wherein the upper column shell 1, the lower column shell and the intermediate fixing plate are made of insulating materials; the upper end of the upper column shell 1 is provided with a vacuum arc extinguish chamber insulating cavity and a voltage sensor insulating cavity, and the vacuum arc extinguish chamber insulating cavity and the voltage sensor insulating cavity are integrated with the upper column shell 1;
the upper end of the vacuum arc extinguish chamber insulating cavity and the upper side wall of the upper column shell 1 are of an integral structure, and a high-voltage wire outlet hole is formed in the center of the upper end of the vacuum arc extinguish chamber insulating cavity and used for leading out a high-voltage wire; the lower end of the vacuum arc extinguish chamber insulating cavity is provided with an opening for installing the vacuum arc extinguish chamber;
the inside wall of voltage sensor insulation cavity and the inside wall of upper column shell 1 structure as an organic whole, the right side wall of voltage sensor insulation cavity and the left side wall of vacuum interrupter insulation cavity structure as an organic whole, voltage sensor insulation cavity lower extreme opening for installation voltage sensor.
The insulating upper column shell 1 structure of the column box type high-voltage switch combines the advantages of the existing column type high-voltage switch and the existing box type high-voltage switch, the upper column shell 1 is also provided with a space, and the insulating cavity of the vacuum arc extinguish chamber and the insulating cavity of the voltage sensor are arranged, so that the requirements of the column box type high-voltage switch on packaging of electric components such as the vacuum arc extinguish chamber, the voltage sensor and the like can be met.
Preferably: the upper column shell 1 is also internally provided with a first conductive block 2, a conductive rod 3 and a copper pad 4, the first conductive block 2 is arranged in the upper side wall of the insulating cavity of the voltage sensor and used for leading out an acquisition line of the voltage sensor, the first end of the conductive rod 3 is electrically connected with the first conductive block 2, the copper pad 4 is arranged in the upper side wall of the insulating cavity of the vacuum arc extinguish chamber and electrically connected with a high-voltage outgoing line, and the second end of the conductive rod 3 is electrically connected with the copper pad 4; the arrangement of the first conductive block 2, the conductive rod 3 and the copper pad 4 can meet the requirement of collecting voltage signals by the voltage sensor, additional wiring is not needed, convenience and rapidness are achieved, and popularization is easy.
Preferably: the conducting rod 3 is packaged in the side wall of the insulating cavity of the vacuum arc extinguish chamber, so that good insulating performance is further ensured.
Preferably: a second conducting block 5 is further arranged in the upper column shell 1, and the second conducting block 5 is arranged in an opening at the lower end of the insulating cavity of the vacuum arc-extinguishing chamber and used for introducing a high-voltage incoming wire into the vacuum arc-extinguishing chamber; the arrangement of the second conductive block 5 is convenient for large-scale production, and the difficulty of leading wires is reduced.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the utility model has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (4)
1. An insulating upper column shell structure of a column box type high-voltage switch comprises an upper column shell, a lower box shell and an intermediate fixing plate, wherein the upper column shell, the lower box shell and the intermediate fixing plate are made of insulating materials; the method is characterized in that: the upper end of the upper column shell is provided with a vacuum arc extinguish chamber insulating cavity and a voltage sensor insulating cavity, and the vacuum arc extinguish chamber insulating cavity and the voltage sensor insulating cavity are integrated with the upper column shell;
the upper end of the vacuum arc extinguish chamber insulating cavity and the upper side wall of the upper column shell are of an integral structure, and a high-voltage wire outlet hole is formed in the center of the upper end of the vacuum arc extinguish chamber insulating cavity and used for leading out a high-voltage wire; the lower end of the vacuum arc extinguish chamber insulating cavity is provided with an opening for installing the vacuum arc extinguish chamber;
the insulating cavity of voltage sensor's inside wall and the inside wall structure as an organic whole of last column shell, the insulating cavity of voltage sensor's right side wall and vacuum interrupter insulating cavity's left side wall structure as an organic whole, the insulating cavity lower extreme opening of voltage sensor for install voltage sensor.
2. The insulating upper column casing structure of the column box type high-voltage switch according to claim 1, characterized in that: still be provided with first conducting block, conducting rod and copper pad in the upper column shell, first conducting block set up in voltage sensor insulation cavity upper side wall for draw voltage sensor's collection line, the first end and the first conducting block electricity of conducting rod be connected, the copper pad set up on vacuum interrupter insulation cavity upper side wall in and be connected with the high-pressure is qualified for the next round of competitions the electricity, the second end and the copper pad electricity of conducting rod be connected.
3. The insulating upper column casing structure of the column box type high-voltage switch according to claim 2, characterized in that: the conducting rod is packaged in the side wall of the insulating cavity of the vacuum arc extinguish chamber.
4. The upper insulating cylindrical shell structure of a cylindrical box type high-voltage switch according to claim 3, characterized in that: and a second conducting block is further arranged in the upper column shell, and the second conducting block is arranged in the lower end opening of the insulating cavity of the vacuum arc extinguish chamber and used for introducing a high-voltage incoming wire into the vacuum arc extinguish chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123137269.9U CN216562921U (en) | 2021-12-15 | 2021-12-15 | Insulating upper column shell structure of column box type high-voltage switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123137269.9U CN216562921U (en) | 2021-12-15 | 2021-12-15 | Insulating upper column shell structure of column box type high-voltage switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216562921U true CN216562921U (en) | 2022-05-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123137269.9U Active CN216562921U (en) | 2021-12-15 | 2021-12-15 | Insulating upper column shell structure of column box type high-voltage switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216562921U (en) |
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2021
- 2021-12-15 CN CN202123137269.9U patent/CN216562921U/en active Active
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