Outdoor high-voltage vacuum circuit breaker with isolation device

By designing an outdoor high-voltage vacuum circuit breaker with isolation device and adopting a structure of a base, cover plate and isolation plate, the problem of difficult disassembly and installation of isolation devices in the prior art is solved, and convenient assembly and maintenance is achieved.

CN222801690UActive Publication Date: 2025-04-25ZHEJIANG YIGAO ELECTRIC POWER TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202421731787.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-22
Publication Date
2025-04-25
Estimated Expiration
2034-07-22

AI Technical Summary

Technical Problem

In the prior art, the isolation device of outdoor high-voltage vacuum circuit breakers is usually an integrated structure, which is difficult to assemble and disassemble, and is not convenient to install the high-voltage vacuum circuit breakers.

Method used

An outdoor high-voltage vacuum circuit breaker with isolation device was designed, using a base, cover plate and four groups of isolation plate structures. The insertion and disassembly of the isolation plates are achieved through the connecting frame and the installation groove, which facilitates the installation and maintenance of the high-voltage vacuum circuit breaker.

Benefits of technology

It realizes the convenient assembly and disassembly of the isolation device, simplifies the installation process of high-voltage vacuum circuit breakers, and improves the maintenance and use flexibility of the equipment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of high-voltage vacuum circuit breakers, and discloses an outdoor high-voltage vacuum circuit breaker with an isolating device, which comprises a base, a high-voltage vacuum circuit breaker body and a cover plate, a plurality of groups of threaded pipes are mounted on the base in a penetrating manner, bolts I are mounted in the threaded pipes in a penetrating manner, and connecting frames are respectively mounted at four corners of the upper side of the base. Transverse plates are installed at the bottoms of the connecting frames, through holes matched with the threaded pipes to penetrate through are formed in the transverse plates, installation grooves are formed in the two adjacent sides of the connecting frames respectively, and isolation plates are installed between the opposite installation grooves of the two sets of connecting frames on the adjacent sides in an inserted mode. Compared with the prior art, the outdoor high-voltage vacuum circuit breaker has the advantages that the isolating device outside the outdoor high-voltage vacuum circuit breaker is composed of the base cover plate and the four groups of isolating plates, the four groups of isolating plates are mounted by being inserted into the mounting grooves in the connecting frame, and the four groups of isolating plates can be disassembled and assembled by opening the cover plate; and the high-voltage vacuum circuit breaker body can be conveniently installed in the isolation device.
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Description

Technical Field

[0001] The utility model relates to the technical field of high-voltage vacuum circuit breakers, in particular to an outdoor high-voltage vacuum circuit breaker with an isolation device. Background Art

[0002] "Vacuum circuit breaker" is named because its arc extinguishing medium and the insulating medium of the contact gap after arc extinguishing are both high vacuum; it has the advantages of small size, light weight, suitable for frequent operation, and arc extinguishing without maintenance, and is widely used in distribution networks. Vacuum circuit breaker is an indoor power distribution device in 3~10kV, 50Hz three-phase AC system. It can be used for protection and control of electrical equipment in industrial and mining enterprises, power plants, and substations. It is particularly suitable for use in places that require oil-free, less maintenance and frequent operation. The circuit breaker can be configured in the central cabinet, double-layer cabinet and fixed cabinet to control and protect high-voltage electrical equipment.

[0003] The existing technology has the following problems:

[0004] In the prior art, the isolation device of the outdoor high-voltage vacuum circuit breaker is usually an integrated structure, which is not convenient for assembly and disassembly during use. The isolation device of the integrated structure is also not convenient for installation of the high-voltage vacuum circuit breaker. Therefore, an outdoor high-voltage vacuum circuit breaker with an isolation device is proposed. Utility Model Content

[0005] 1. Technical Problems Solved

[0006] The technical problem to be solved by the utility model is that the isolating device with an integrated structure is also inconvenient to install on the high-voltage vacuum circuit breaker.

[0007] 2. Technical Solution

[0008] In order to solve the above technical problems, the technical solution provided by the utility model is: an outdoor high-voltage vacuum circuit breaker with an isolation device, comprising a base, a high-voltage vacuum circuit breaker body and a cover plate, wherein multiple groups of threaded tubes are installed through the base, the high-voltage vacuum circuit breaker body is installed on the upper ends of the multiple groups of threaded tubes, a bolt is installed through the inside of the threaded tube, the top of the bolt is connected to the lower side of the high-voltage vacuum circuit breaker body, connecting frames are respectively installed at the four corners of the upper side of the base, a horizontal plate is installed at the bottom of the connecting frame, and a through hole is provided on the horizontal plate for matching the threaded tube to pass through, and mounting grooves are respectively provided on the adjacent two sides of the connecting frame, and an isolation plate is inserted and installed between the mounting grooves of the two groups of connecting frames on the adjacent sides, and the cover plate is connected to the tops of the multiple groups of connecting frames.

[0009] As an improvement, rubber sleeves are installed through the upper parts of the two opposite groups of isolation plates.

[0010] As an improvement, a plurality of heat dissipation pipes are installed through the base.

[0011] As an improvement, the cover plate is sleeved on the outside of the four groups of connecting frames, and bolts 2 are respectively installed through the four corners of the cover plate, and threaded holes for inserting the matching bolts 2 are provided on the top of the connecting frame.

[0012] As an improvement, adjacent side walls of the connecting frame are in contact with the base and the inner wall of the cover plate respectively, and the lower side of the isolation plate is in contact with the upper side of the base.

[0013] As an improvement, a transparent window is provided on the top of the cover plate.

[0014] 3. Beneficial Effects

[0015] The advantage of the utility model over the prior art is that the isolation device on the outside of the outdoor high-voltage vacuum circuit breaker is composed of a base cover plate and four groups of isolation plates, the four groups of isolation plates are installed by inserting them into the installation grooves on the connecting frame, and the four groups of isolation plates can be disassembled and assembled by opening the cover plate, so that the high-voltage vacuum circuit breaker body can be installed inside the isolation device conveniently. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 The utility model discloses an exploded diagram of an outdoor high-voltage vacuum circuit breaker with an isolation device.

[0017] Figure 2 The utility model is a schematic diagram of the overall structure of an outdoor high-voltage vacuum circuit breaker with an isolation device.

[0018] Figure 3 The utility model is a schematic diagram of the lower side structure of a base of an outdoor high-voltage vacuum circuit breaker with an isolation device.

[0019] Figure 4 The utility model is a schematic diagram of the structure of a connecting frame of an outdoor high-voltage vacuum circuit breaker with an isolation device.

[0020] As shown in the figure: 1. Base; 2. High-voltage vacuum circuit breaker body; 3. Cover plate; 4. Threaded pipe; 5. Bolt 1; 6. Connecting frame; 7. Horizontal plate; 8. Through hole; 9. Mounting groove; 10. Isolation plate; 11. Bolt 2; 12. Threaded hole; 13. Transparent window; 14. Rubber sleeve; 15. Heat dissipation duct. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments; based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0022] Embodiment 1

[0023] As attached Figure 1 and attached Figure 4 As shown, an outdoor high-voltage vacuum circuit breaker with an isolation device comprises a base 1, a high-voltage vacuum circuit breaker body 2 and a cover plate 3, wherein a plurality of groups of threaded tubes 4 are installed through the base 1, the high-voltage vacuum circuit breaker body 2 is installed on the upper ends of the plurality of groups of threaded tubes 4, a bolt 5 is installed through the inside of the threaded tube 4, the top of the bolt 5 is connected to the lower side of the high-voltage vacuum circuit breaker body 2, connecting frames 6 are respectively installed at the four corners of the upper side of the base 1, a horizontal plate 7 is installed at the bottom of the connecting frame 6, a through hole 8 for matching the threaded tube 4 to pass through is provided on the horizontal plate 7, mounting grooves 9 are respectively provided on adjacent sides of the connecting frame 6, an isolation plate 10 is inserted and installed between the mounting grooves 9 of the two groups of connecting frames 6 on adjacent sides, and the cover plate 3 is connected to the tops of the plurality of groups of connecting frames 6.

[0024] Through the above structure, the through hole 8 is sleeved on the outside of the threaded tube 4, the connecting frame 6 is positioned so that the connecting frame 6 can be placed at the corner of the base 1, the high-voltage vacuum circuit breaker body 2 is placed on the upper end of the threaded tube 4, the horizontal plate 7 is limited, and the high-voltage vacuum circuit breaker body 2 is stably installed on the upper side of the base 1 through the bolt 5. The isolation plate 10 is inserted into the corresponding two groups of installation grooves 9 for installation, and is installed on the outside of the four groups of connecting frames 6 through the cover plate 3 to achieve the limitation of the isolation plate 10. The specific structure is as follows:

[0025] Combined with Figure 1 and attached Figure 4 As shown, the cover plate 3 is sleeved on the outside of four groups of connecting frames 6, and bolts 11 are respectively installed through the four corners of the cover plate 3, and the top of the connecting frame 6 is provided with a threaded hole 12 for inserting the matching bolts 11.

[0026] Through the above structure, the cover plate 3 is connected to the connecting frame 6 through the threaded hole 12 into which the bolt 11 is inserted, thereby achieving the installation of the cover plate 3.

[0027] Combined with Figure 2 As shown, the adjacent two side walls of the connecting frame 6 are in contact with the base 1 and the inner wall of the cover plate 3 respectively, and the lower side of the isolation plate 10 is in contact with the upper side of the base 1 .

[0028] Through the above structure, the connecting frame 6 can remain stable between the base 1 and the cover plate 3 without shaking to cause bumps and noises.

[0029] Embodiment 2

[0030] Based on Example 1, please refer to the attached Figure 2 and attached Figure 3The upper parts of the two opposite groups of isolation plates 10 are penetrated with rubber sleeves 14 , the base 1 is penetrated with a plurality of heat dissipation pipes 15 , and the top of the cover plate 3 is provided with a transparent window 13 .

[0031] Through the above structure of the second embodiment, the rubber sleeve 14 prevents a gap from being generated between the wire and the isolation plate 10, thereby preventing rainwater from entering the isolation device. The heat inside the isolation device is discharged through multiple groups of heat dissipation pipes 15, and the ports of the heat dissipation pipes 15 face downward, thereby preventing rainwater from entering the isolation device. The transparent window 13 on the top of the cover plate 3 facilitates observation of the state of the high-voltage vacuum circuit breaker body 2.

[0032] The specific usage is as follows:

[0033] When installing the isolation device on the outside of the high-voltage vacuum circuit breaker body 2, first place the four groups of horizontal plates 7 on the upper side of the base 1, pass the threaded pipe 4 through the through hole 8, place the connecting frame 6 at the four corners of the base 1, place the high-voltage vacuum circuit breaker body 2 on the upper side of the base 1, pass the threaded pipe 4 through the bolt 1 5 and connect it to the lower side of the high-voltage vacuum circuit breaker body 2, insert the isolation plate 10 into the corresponding two groups of installation grooves 9 for installation, put the cover plate 3 on the outside of the four groups of connecting frames 6, pass the bolt 2 11 through the cover plate 3 and the threaded hole 12 on the top of the connecting frame 6, connect, stably install it on the top of the four groups of connecting frames 6 through the cover plate 3, and limit the isolation plate 10 through the cover plate 3 to prevent rainwater from entering the isolation device.

[0034] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0035] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

[0036] The above description of the utility model and its implementation methods is not restrictive. The drawings show only one implementation method of the utility model, and the actual structure is not limited thereto. In short, if ordinary technicians in this field are inspired by it and design structural methods and embodiments similar to the technical solution without creativity without departing from the purpose of the invention of the utility model, they should all fall within the protection scope of the utility model.

Claims

1. An outdoor high-voltage vacuum circuit breaker with an isolation device, comprising a base (1), a high-voltage vacuum circuit breaker body (2) and a cover plate (3), characterized in that: A plurality of groups of threaded tubes (4) are installed through the base (1), the high-voltage vacuum circuit breaker body (2) is installed on the upper ends of the plurality of groups of threaded tubes (4), a bolt (5) is installed through the inside of the threaded tube (4), the top of the bolt (5) is connected to the lower side of the high-voltage vacuum circuit breaker body (2), connecting frames (6) are installed at the four corners of the upper side of the base (1), a horizontal plate (7) is installed at the bottom of the connecting frame (6), and a through hole (8) is provided on the horizontal plate (7) for matching the threaded tube (4) to pass through, the connecting frame (6) is provided with mounting grooves (9) on the adjacent two sides, and an isolation plate (10) is inserted and installed between the mounting grooves (9) of the two groups of connecting frames (6) on the adjacent sides, and the cover plate (3) is connected to the tops of the plurality of groups of connecting frames (6).

2. An outdoor high-voltage vacuum circuit breaker with an isolation device according to claim 1, characterized in that: Rubber sleeves (14) are installed through the upper parts of the two opposing groups of isolation plates (10).

3. An outdoor high-voltage vacuum circuit breaker with an isolation device according to claim 1, characterized in that: A plurality of heat dissipation pipes (15) are installed through the base (1).

4. An outdoor high-voltage vacuum circuit breaker with an isolation device according to claim 1, characterized in that: The cover plate (3) is sleeved on the outside of the four groups of connecting frames (6), and two bolts (11) are respectively passed through and installed at the four corners of the cover plate (3), and the top of the connecting frame (6) is provided with a threaded hole (12) for inserting the two bolts (11) therein.

5. The outdoor high-voltage vacuum circuit breaker with an isolation device according to claim 1, characterized in that: The adjacent two side walls of the connecting frame (6) are in contact with the base (1) and the inner wall of the cover plate (3) respectively, and the lower side of the isolation plate (10) is in contact with the upper side of the base (1).

6. An outdoor high-voltage vacuum circuit breaker with an isolation device according to claim 1, characterized in that: A transparent window (13) is provided on the top of the cover plate (3).