CN114362027B - Inflatable cabinet and air box thereof - Google Patents

Inflatable cabinet and air box thereof Download PDF

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Publication number
CN114362027B
CN114362027B CN202111547678.8A CN202111547678A CN114362027B CN 114362027 B CN114362027 B CN 114362027B CN 202111547678 A CN202111547678 A CN 202111547678A CN 114362027 B CN114362027 B CN 114362027B
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China
Prior art keywords
contact
grounding
isolation
fixed contact
lower isolation
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CN202111547678.8A
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CN114362027A (en
Inventor
娄源通
朱志豪
冯祥伟
朱彦卿
王海燕
卢健
费翔
孙河南
翟停停
李军辉
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Pinggao Group Co Ltd
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Pinggao Group Co Ltd
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Priority to CN202111547678.8A priority Critical patent/CN114362027B/en
Publication of CN114362027A publication Critical patent/CN114362027A/en
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Publication of CN114362027B publication Critical patent/CN114362027B/en
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  • Elimination Of Static Electricity (AREA)
  • Gas-Insulated Switchgears (AREA)

Abstract

The utility model relates to an inflatable cabinet and an air box thereof, wherein the air box of the inflatable cabinet comprises a box body, wherein a solid sealing polar pole is arranged in the box body and is vertically arranged, and the solid sealing polar pole is provided with an upper outlet seat and a lower outlet seat; a lower isolation moving contact is arranged in the lower wire outlet seat in a conductive sliding manner along the up-down direction, a lower isolation fixed contact and a grounding fixed contact are arranged below the lower wire outlet seat in the box body, a lower isolation fracture is formed between the lower isolation moving contact and the lower isolation fixed contact, and the grounding fixed contact is in conductive connection with the lower isolation fixed contact; the bottom of the box body is provided with a wire inlet and outlet sleeve, a bus is connected to the wire inlet and outlet sleeve, and one of the grounding fixed contact and the lower isolation fixed contact is fixedly connected with the bus in a conductive manner; the box body is also internally provided with a contact head frame, a grounding moving contact is assembled on the contact head frame in a reciprocating movement manner, and a grounding fracture is formed between the grounding moving contact and the grounding fixed contact. Therefore, even if the transmission precision is lower, the isolation fracture and the grounding fracture can be ensured to be insulated at the same time, and the insulation requirement of the air charging cabinet is further ensured.

Description

Inflatable cabinet and air box thereof
Technical Field
The utility model relates to an inflatable cabinet and an air box thereof, and belongs to the field of power distribution switch equipment.
Background
At present, the domestic and foreign air charging cabinet seals the main conductive loop such as the solid sealed polar pole and the three-station switch in the air chamber filled with the insulating gas. For example, the Chinese patent with the publication number of CN205452934U discloses an inflatable switch cabinet, which comprises an air box, wherein a solid sealed pole and a direct-acting three-station switch are arranged in the air box, the solid sealed pole is provided with a movable wire outlet seat and a static wire outlet seat, and the three-station switch comprises an isolation movable contact, an isolation static contact and a grounding static contact; the static wire seat is positioned at the upper part of the solid sealing polar pole and is in conductive connection with the isolation movable contact; the movable wire outlet seat is positioned in the middle of the solid-sealed polar pole and is in conductive connection with the wire outlet sleeve through the busbar; the isolation static contact is positioned above the static wire outlet seat and is in conductive connection with the main bus; the grounding static contact is positioned below the static wire outlet seat and is in conductive connection with the grounding row.
If the inflatable switch cabinet is to realize simultaneous insulation of the isolation fracture and the grounding fracture, the transmission precision requirement on the three-station switch is higher, and if the opening position of the three-station switch deviates, the insulation of the switch cabinet can be influenced.
Disclosure of Invention
The utility model aims to provide an air box of an air-filling cabinet, which aims to solve the technical problem that the insulation of the cabinet is affected if deviation occurs in the opening position of a three-station switch in the prior art. The utility model also aims to provide an air charging cabinet.
In order to achieve the above purpose, the technical scheme of the air box of the air charging cabinet of the utility model is as follows:
the gas tank of the gas-filled cabinet comprises a tank body, wherein a solid-sealed polar pole is arranged in the tank body and is vertically arranged, and the solid-sealed polar pole is provided with an upper outlet seat and a lower outlet seat; a lower isolation moving contact is arranged in the lower wire outlet seat in a conductive sliding manner along the up-down direction, a lower isolation fixed contact and a grounding fixed contact are arranged below the lower wire outlet seat in the box body, a lower isolation fracture is formed between the lower isolation moving contact and the lower isolation fixed contact, and the grounding fixed contact is in conductive connection with the lower isolation fixed contact; the bottom of the box body is provided with a wire inlet and outlet sleeve, a bus is connected to the wire inlet and outlet sleeve, and one of the grounding fixed contact and the lower isolation fixed contact is fixedly connected with the bus in a conductive manner; the box body is also internally provided with a contact frame, a grounding moving contact is assembled on the contact frame in a reciprocating manner, a grounding fracture is formed between the grounding moving contact and a grounding fixed contact, the grounding fixed contact is provided with a grounding socket with an opening facing the horizontal direction, and the grounding moving contact is a direct-moving contact which moves in a reciprocating manner along the horizontal direction.
The beneficial effects are that: because the ground connection fixed contact and the lower isolation fixed contact are both positioned below the lower wire outlet seat, independent isolation operation and ground connection operation are realized through the lower isolation fixed contact and the ground connection fixed contact respectively, even if the transmission precision is lower, the isolation fracture and the ground connection fracture can be ensured to be insulated simultaneously, the insulation requirement of the air charging cabinet is further ensured, the space in the left and right directions of the air tank can be fully utilized, and the height of the air tank is reduced.
As a further improvement, the lower isolation static contact and the grounding static contact are integrally formed.
The beneficial effects are that: by the design, the lower isolation static contact and the grounding static contact are compact in structure, insulation is facilitated, and miniaturization of the air box is facilitated. In addition, the electrical contact is reduced, thereby reducing the amount of heat generated.
As a further improvement, the lower part of the lower isolation static contact is provided with a positioning step, the vertical face of the positioning step is provided with a threaded hole, and the bus is fixed on the positioning step through the threaded hole.
The beneficial effects are that: the positioning step can position the connecting end of the bus, and the bus is fixed on the positioning step through the screw.
As a further improvement, an upper isolation moving contact is arranged in the upper wire outlet seat in a conductive sliding manner along the up-down direction, an upper isolation fixed contact is arranged above the upper wire outlet seat in the box body, and an upper isolation fracture is formed between the upper isolation moving contact and the upper isolation fixed contact.
The beneficial effects are that: by arranging two isolation fractures, the insulation requirement of the air charging cabinet is increased.
As a further improvement, a contact sleeve for connecting the cable is fixedly arranged on the top plate of the box body, and the upper isolation static contact and the contact sleeve are molded together in a casting way.
The beneficial effects are that: by the design, the electric contact between the cable and the upper isolation static contact is reduced, and the heating value is further reduced.
As a further improvement, the box body is provided with observation windows at positions corresponding to the lower isolation fracture and the grounding fracture.
The beneficial effects are that: by arranging the observation window, the opening and closing positions of all the fracture parts are conveniently observed.
As a further improvement, the grounding static contact consists of a plurality of petal-shaped contact fingers.
The beneficial effects are that: the flow area is increased while the stable contact between the ground moving contact and the ground static contact is ensured.
As a further improvement, a shielding cover is arranged on the outer side of the grounding static contact.
The beneficial effects are that: and the shielding cover is arranged on the outer side of the grounding static contact to optimize the electric field at the grounding static contact.
In order to achieve the above purpose, the technical scheme of the air charging cabinet of the utility model is as follows:
the air charging cabinet comprises a cabinet body, wherein the cabinet body is provided with an air box, the air box comprises a box body, a solid sealing pole is arranged in the box body, the solid sealing pole is vertically arranged, and the solid sealing pole is provided with an upper outlet seat and a lower outlet seat; a lower isolation moving contact is arranged in the lower wire outlet seat in a conductive sliding manner along the up-down direction, a lower isolation fixed contact and a grounding fixed contact are arranged below the lower wire outlet seat in the box body, a lower isolation fracture is formed between the lower isolation moving contact and the lower isolation fixed contact, and the grounding fixed contact is in conductive connection with the lower isolation fixed contact; the bottom of the box body is provided with a wire inlet and outlet sleeve, a bus is connected to the wire inlet and outlet sleeve, and one of the grounding fixed contact and the lower isolation fixed contact is fixedly connected with the bus in a conductive manner; the box body is also internally provided with a contact frame, a grounding moving contact is assembled on the contact frame in a reciprocating manner, a grounding fracture is formed between the grounding moving contact and a grounding fixed contact, the grounding fixed contact is provided with a grounding socket with an opening facing the horizontal direction, and the grounding moving contact is a direct-moving contact which moves in a reciprocating manner along the horizontal direction.
The beneficial effects are that: because the ground connection fixed contact and the lower isolation fixed contact are both positioned below the lower wire outlet seat, independent isolation operation and ground connection operation are realized through the lower isolation fixed contact and the ground connection fixed contact respectively, even if the transmission precision is lower, the isolation fracture and the ground connection fracture can be ensured to be insulated simultaneously, the insulation requirement of the air charging cabinet is further ensured, the space in the left and right directions of the air tank can be fully utilized, and the height of the air tank is reduced.
As a further improvement, the lower isolation static contact and the grounding static contact are integrally formed.
The beneficial effects are that: by the design, the lower isolation static contact and the grounding static contact are compact in structure, insulation is facilitated, and miniaturization of the air box is facilitated. In addition, the electrical contact is reduced, thereby reducing the amount of heat generated.
As a further improvement, the lower part of the lower isolation static contact is provided with a positioning step, the vertical face of the positioning step is provided with a threaded hole, and the bus is fixed on the positioning step through the threaded hole.
The beneficial effects are that: the positioning step can position the connecting end of the bus, and the bus is fixed on the positioning step through the screw.
As a further improvement, an upper isolation moving contact is arranged in the upper wire outlet seat in a conductive sliding manner along the up-down direction, an upper isolation fixed contact is arranged above the upper wire outlet seat in the box body, and an upper isolation fracture is formed between the upper isolation moving contact and the upper isolation fixed contact.
The beneficial effects are that: by arranging two isolation fractures, the insulation requirement of the air charging cabinet is increased.
As a further improvement, a contact sleeve for connecting the cable is fixedly arranged on the top plate of the box body, and the upper isolation static contact and the contact sleeve are molded together in a casting way.
The beneficial effects are that: by the design, the electric contact between the cable and the upper isolation static contact is reduced, and the heating value is further reduced.
As a further improvement, the box body is provided with observation windows at positions corresponding to the lower isolation fracture and the grounding fracture.
The beneficial effects are that: by arranging the observation window, the opening and closing positions of all the fracture parts are conveniently observed.
As a further improvement, the grounding static contact consists of a plurality of petal-shaped contact fingers.
The beneficial effects are that: the flow area is increased while the stable contact between the ground moving contact and the ground static contact is ensured.
As a further improvement, a shielding cover is arranged on the outer side of the grounding static contact.
The beneficial effects are that: and the shielding cover is arranged on the outer side of the grounding static contact to optimize the electric field at the grounding static contact.
Drawings
FIG. 1 is a schematic structural view of embodiment 1 of the inflatable cabinet of the present utility model;
FIG. 2 is a left side view of FIG. 1;
FIG. 3 is an enlarged view of the air box of FIG. 1;
FIG. 4 is a schematic view of the contact assembly of FIG. 3;
in the figure: 11. a pressure relief channel; 12. a cable chamber; 13. a bus bar chamber; 14. an instrument room; 15. a mechanism chamber; 16. an air box; 17. an upper isolation static contact; 18. an upper isolation moving contact; 19. an upper wire outlet seat; 20. a contact head frame; 21. a ground moving contact; 22. a bus; 23. a contact sleeve; 24. sealing the polar post; 25. a lower outlet seat; 26. a lower isolation moving contact; 27. a contact assembly; 28. a wire inlet and outlet sleeve; 29. an observation window; 30. positioning the step; 31. a first threaded hole; 32. an insulator; 33. a second threaded hole; 34. a lower isolation static contact; 35. a shield; 36. and a grounding static contact.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the particular embodiments described herein are illustrative only and are not intended to limit the utility model, i.e., the embodiments described are merely some, but not all, of the embodiments of the utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by a person skilled in the art without making any inventive effort, are intended to be within the scope of the present utility model.
It is noted that relational terms such as "first" and "second", and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, terms such as "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" or the like does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element. Furthermore, the terms "front," "rear," "upper," "lower," "left," and "right" are based on the orientation and positional relationship shown in the drawings, and are merely for convenience of description of the utility model, and do not denote that the device or component in question must have a particular orientation, and thus should not be construed as limiting the utility model.
The features and capabilities of the present utility model are described in further detail below in connection with the examples.
Example 1 of the inventive air-filled cabinet:
as shown in fig. 1, the inflatable cabinet comprises a cabinet body, wherein the cabinet body is provided with a pressure relief channel 11, a cable chamber 12, a bus chamber 13, an instrument chamber 14, a mechanism chamber 15 and an air box 16; the pressure release channel 11 is mainly used for internal arcing pressure release, a wire inlet and outlet cable and accessories are installed in the cable chamber 12, a main bus is installed in the bus chamber 13, a secondary control protection device is installed in the instrument chamber 14, and an operating mechanism is installed in the mechanism chamber 15.
As shown in fig. 2 and 3, the air box 16 includes a box body, a top plate in the box body is fixed with solid sealed polar columns 24, the solid sealed polar columns 24 are arranged at intervals along the front-back direction (i.e. the depth direction of the box body), the three solid sealed polar columns 24 are all vertically arranged, the solid sealed polar columns 24 are provided with an upper wire outlet seat 19 and a lower wire outlet seat 25, the upper wire outlet seat 19 is positioned in the middle of the solid sealed polar columns 24, the lower wire outlet seat 25 is positioned at the lower part of the solid sealed polar columns 24, and the upper wire outlet seat 19 and the lower wire outlet seat 25 are respectively positioned at the left side and the right side of the solid sealed polar columns 24 so as to fully utilize the space in the left-right direction of the air box and reduce the height of the air box.
In this embodiment, an upper isolation moving contact 18 is installed in the upper wire outlet seat 19 in a conductive sliding manner along the up-down direction, an upper isolation fixed contact 17 is disposed above the upper wire outlet seat 19 in the box, and an upper isolation fracture is formed between the upper isolation fixed contact 17 and the upper isolation moving contact 18. Wherein, the box is provided with an observation window 29 at a position corresponding to the upper isolation fracture to observe the opening and closing position of the upper isolation moving contact 18. In other embodiments, the upper wire outlet seat is not provided with an upper isolation movable contact, and the upper wire outlet seat is directly connected to the upper isolation static contact through a busbar.
In this embodiment, the top plate of the box body is fixedly provided with a contact sleeve 23, the upper isolation static contact 17 and the contact sleeve 23 are molded together by casting, and the top of the contact sleeve 23 is directly and fixedly connected with the cable in a conductive manner. By the design, the electric contact between the cable and the upper isolation static contact is reduced, and the heating value is further reduced.
As shown in fig. 3, a lower isolation moving contact 26 is installed in the lower outlet seat 25 in a conductive sliding manner along the up-down direction, and a contact assembly 27 is arranged below the lower outlet seat 25 in the box body. As shown in fig. 4, the contact assembly 27 includes an insulator 32, a lower isolation static contact 34 and a ground static contact 36, and the lower isolation static contact 34 and the ground static contact 36 are integrally formed, that is, the lower isolation static contact 34 and the ground static contact 36 are electrically connected together. Wherein the lower isolation stationary contact 34 and the ground stationary contact 36 are cast into the insulator 32.
In this embodiment, the insulator 32 is provided with a second screw hole 33, and the insulator 32 is fixed to the side plate of the case through the second screw hole 33.
In this embodiment, the lower isolation fixed contact 34 has an upward isolation socket, in which an annular conductive contact finger is disposed, and a lower isolation fracture is formed between the lower isolation fixed contact 34 and the lower isolation movable contact 26. Wherein, the box is provided with an observation window 29 at the position corresponding to the lower isolation fracture to observe the opening and closing position of the lower isolation moving contact 26.
In this embodiment, the lower portion of the lower isolation static contact 34 extends out of the insulator 32 to be arranged, the lower portion of the lower isolation static contact 34 is provided with a positioning step 30, the positioning step 30 is used for positioning the connection end of the bus 22, and the vertical face of the positioning step 30 is provided with a first threaded hole 31. The bottom of the box body is provided with a wire inlet and outlet sleeve 28, a bus 22 is connected to the wire inlet and outlet sleeve 28, and the bus 22 is fixed on a positioning step 30 through a first threaded hole 31.
In the present embodiment, the grounding fixed contact 36 has a grounding socket with an opening facing the horizontal direction; the box body is also internally provided with a contact frame 20, the contact frame 20 is provided with a grounding moving contact 21, and the grounding moving contact 21 is a direct-acting moving contact which reciprocates along the horizontal direction, so that the space in the left-right direction of the air box is fully utilized, and the height of the air box is reduced. Wherein, a ground fracture is formed between the ground moving contact 21 and the ground fixed contact 36, and an observation window 29 is provided on the box body corresponding to the ground fracture to observe the opening and closing position of the ground moving contact 21. Wherein the contact frame 20 and the contact assembly 27 are respectively fixed on two opposite side plates of the air box 16.
In this embodiment, the grounding fixed contact 36 is composed of a plurality of petal-shaped contact fingers, so that the flow area is increased while the grounding movable contact 21 and the grounding fixed contact 36 are ensured to be in stable contact; the outside of the ground static contact 36 is provided with a shield 35 to optimize the electric field at the ground static contact 36. The end of the shielding cover 35 facing the grounding moving contact 21 is provided with an arc-resistant body which resists arc ablation so as to lead away the arc generated between the grounding moving contact 21 and the grounding fixed contact 36 and avoid the arc from ablating the grounding fixed contact 36. Wherein, the arc-resistant body is made of copper-tungsten alloy.
The inflatable cabinet is provided with the two isolation fractures, so that the insulation requirement of the inflatable cabinet is increased, the lower isolation static contact and the grounding static contact are integrally formed, the structure is simple, the electric connection is less, and the heating value is reduced. In addition, because the grounding fixed contact and the lower isolation fixed contact are both positioned below the lower wire outlet seat, the isolation operation and the grounding operation are respectively met through the lower isolation fixed contact and the grounding fixed contact, so that even if the transmission precision is lower, the isolation fracture and the grounding fracture can be simultaneously insulated, and the insulation requirement of the air charging cabinet is further ensured.
Example 2 of the inventive air-filled cabinet:
the difference between this embodiment and embodiment 1 is that in embodiment 1, the lower isolation static contact and the ground static contact are integrally formed and cast together in the insulator. In this embodiment, the lower isolation static contact and the grounding static contact are formed by split processing and are respectively cast and formed in two independent insulators, wherein the lower isolation static contact and the grounding static contact are electrically connected through a conductive bar, and a bus can be connected to the lower isolation static contact or the grounding static contact. In other embodiments, the lower isolation static contact and the grounding static contact can be cast and molded in the same insulator based on the fact that the lower isolation static contact and the grounding static contact are formed in a split mode.
Example 3 of the inventive air-filled cabinet:
the difference between this embodiment and embodiment 1 is that in embodiment 1, the grounding fixed contact has a grounding socket with an opening facing the horizontal direction, and the grounding moving contact is a direct-acting moving contact that reciprocates in the horizontal direction. In this embodiment, the grounding static contact has a U-shaped slot, and the grounding static contact is a swinging type moving contact.
Example 4 of the inventive air-filled cabinet:
the difference between this embodiment and embodiment 1 is that in embodiment 1, the top plate of the box body is fixedly provided with a contact sleeve for connecting the cable, and the upper isolation static contact and the contact sleeve are molded together by casting. In this embodiment, the contact sleeve is connected on the lateral wall of the bus-bar chamber, and the contact sleeve is connected with the upper isolation static contact through busbar conduction, and the upper isolation static contact is connected on the top plate of the box body through the insulator.
Example 5 of the inventive air-filled cabinet:
the difference between this embodiment and embodiment 1 is that in embodiment 1, the grounding static contact is composed of a plurality of petal-shaped contact fingers. In this embodiment, the grounding static contact has a jack, and an annular conductive contact finger is disposed in the jack.
The embodiment of the air box of the present utility model has the same structure as the air box described in any one of embodiments 1 to 5 of the air box, and will not be described herein.
The above description is only a preferred embodiment of the present utility model, and the patent protection scope of the present utility model is defined by the claims, and all equivalent structural changes made by the specification and the drawings of the present utility model should be included in the protection scope of the present utility model.

Claims (9)

1. The gas tank of the gas-filled cabinet is characterized by comprising a tank body, wherein a solid-sealed polar pole (24) is arranged in the tank body, the solid-sealed polar pole (24) is vertically arranged, and the solid-sealed polar pole (24) is provided with an upper outlet seat (19) and a lower outlet seat (25); a lower isolation moving contact (26) is arranged in the lower wire outlet seat (25) in a conductive sliding manner along the up-down direction, a lower isolation fixed contact (34) and a grounding fixed contact (36) are arranged below the lower wire outlet seat (25) in the box body, a lower isolation fracture is formed between the lower isolation moving contact (26) and the lower isolation fixed contact (34), and the grounding fixed contact (36) is in conductive connection with the lower isolation fixed contact (34); the bottom of the box body is provided with a wire inlet and outlet sleeve (28), the wire inlet and outlet sleeve (28) is connected with a bus (22), and one of a grounding static contact (36) and a lower isolation static contact (34) is fixedly connected with the bus (22) in a conductive manner; the box body is also internally provided with a contact frame (20), a grounding moving contact (21) is assembled on the contact frame (20) in a reciprocating manner, a grounding fracture is formed between the grounding moving contact (21) and a grounding fixed contact (36), the grounding fixed contact (36) is provided with a grounding socket with an opening facing the horizontal direction, and the grounding moving contact (21) is a direct moving contact which reciprocates along the horizontal direction.
2. The gas box of the gas-filled cabinet according to claim 1, wherein the lower isolation static contact (34) and the grounding static contact (36) are integrally formed.
3. The gas tank of the gas-filled cabinet according to claim 2, wherein a positioning step (30) is arranged at the lower part of the lower isolation static contact (34), a threaded hole is arranged on the vertical face of the positioning step (30), and the bus bar (22) is fixed on the positioning step (30) through the threaded hole.
4. A gas tank of an inflatable cabinet according to claim 1, 2 or 3, wherein an upper isolation moving contact (18) is arranged in the upper outlet seat (19) in a conductive sliding manner along the up-down direction, an upper isolation fixed contact (17) is arranged above the upper outlet seat (19) in the tank, and an upper isolation fracture is formed between the upper isolation moving contact (18) and the upper isolation fixed contact (17).
5. The gas tank of the gas tank according to claim 4, wherein a contact sleeve (23) for connecting a cable is fixedly arranged on a top plate of the tank body, and the upper isolation static contact (17) and the contact sleeve (23) are molded together in a casting mode.
6. A gas tank of an inflatable cabinet according to claim 1, 2 or 3, wherein the tank body is provided with observation windows (29) at positions corresponding to the lower isolation fracture and the grounding fracture.
7. A gas tank of an inflatable cabinet according to claim 1 or 2 or 3, characterized in that the ground static contact (36) consists of a plurality of flap-shaped contact fingers.
8. The gas tank of the gas-filled cabinet according to claim 7, characterized in that the outside of the grounding static contact (36) is provided with a shielding cover (35).
9. An inflatable cabinet comprising a cabinet body having an air box, wherein the air box is as claimed in any one of claims 1 to 8.
CN202111547678.8A 2021-12-16 2021-12-16 Inflatable cabinet and air box thereof Active CN114362027B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111547678.8A CN114362027B (en) 2021-12-16 2021-12-16 Inflatable cabinet and air box thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111547678.8A CN114362027B (en) 2021-12-16 2021-12-16 Inflatable cabinet and air box thereof

Publications (2)

Publication Number Publication Date
CN114362027A CN114362027A (en) 2022-04-15
CN114362027B true CN114362027B (en) 2024-04-09

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Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202084836U (en) * 2011-06-22 2011-12-21 西安西能电器新技术发展有限公司 Solid insulation vacuum looped network cabinet
CN202564831U (en) * 2012-05-15 2012-11-28 司正生 All-insulation inflatable removed-type circuit breaker cabinet
CN203617555U (en) * 2013-11-30 2014-05-28 国家电网公司 Switch cabinet and main circuit structure thereof
CN205452934U (en) * 2015-12-11 2016-08-10 平高集团有限公司 Inflatable cubical switchboard
WO2017107744A1 (en) * 2015-12-24 2017-06-29 国家电网公司 Main circuit of solid insulated switchgear and solid insulated switchgear using the main circuit
CN106960758A (en) * 2017-04-05 2017-07-18 平高集团有限公司 A kind of switch cubicle and its switching device
WO2018086561A1 (en) * 2016-11-12 2018-05-17 上海天灵开关厂有限公司 Gas-insulated bus grounding component, grounding device and gas-insulated switch cabinet
CN211208317U (en) * 2019-11-04 2020-08-07 宇邦电气有限公司 Isolated vacuum circuit breaker
CN111696819A (en) * 2020-05-13 2020-09-22 平高集团有限公司 Solid-sealed polar pole and ring main unit using same

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202084836U (en) * 2011-06-22 2011-12-21 西安西能电器新技术发展有限公司 Solid insulation vacuum looped network cabinet
CN202564831U (en) * 2012-05-15 2012-11-28 司正生 All-insulation inflatable removed-type circuit breaker cabinet
CN203617555U (en) * 2013-11-30 2014-05-28 国家电网公司 Switch cabinet and main circuit structure thereof
CN205452934U (en) * 2015-12-11 2016-08-10 平高集团有限公司 Inflatable cubical switchboard
WO2017107744A1 (en) * 2015-12-24 2017-06-29 国家电网公司 Main circuit of solid insulated switchgear and solid insulated switchgear using the main circuit
WO2018086561A1 (en) * 2016-11-12 2018-05-17 上海天灵开关厂有限公司 Gas-insulated bus grounding component, grounding device and gas-insulated switch cabinet
CN106960758A (en) * 2017-04-05 2017-07-18 平高集团有限公司 A kind of switch cubicle and its switching device
CN211208317U (en) * 2019-11-04 2020-08-07 宇邦电气有限公司 Isolated vacuum circuit breaker
CN111696819A (en) * 2020-05-13 2020-09-22 平高集团有限公司 Solid-sealed polar pole and ring main unit using same

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