Inflatable switch cabinet arc light protection device

Abstract

The utility model relates to an arc light protection device for an inflatable switch cabinet. The arc light protection device is characterized by comprising an arc light acquisition module mounting substrate, a transparent cover, an arc light acquisition module gland, an arc light acquisition module fixing piece and an arc light acquisition module, a sealing ring structure is arranged between the transparent cover and the stepped through hole, and the arc light acquisition module gland is used for fixing to form an independent sealing module, so that the sealing effect is improved; the arc light acquisition module is mounted by adopting an arc light acquisition module fixing piece, and the arc light acquisition module fixing piece is connected to an arc light acquisition module gland by adopting a separation blade for supporting; the arc light acquisition module does not need to extend into the inner cavity of the equipment, the mechanical strength problem caused by pressure difference does not exist, the arc light acquisition module can be replaced independently, the indoor and outdoor pressure difference of the equipment does not need to be adjusted, and replacement is more convenient and faster.

Description

Technical Field

[0001] The utility model relates to the technical field of power transmission and transformation, in particular to an arc protection device for an inflatable switch cabinet. Background Art

[0002] In CGIS equipment, an accidental arc light collection device is installed on a plate. Its main purpose is to collect accidental arc lights in the primary circuit to protect the line. Common arc light collection modules have poor sealing effects with the inner cavity of the equipment during installation, and due to the pressure difference between the inner cavity and the outside of the equipment, there are mechanical strength issues when the arc light collection module is directly extended to the inner cavity. In addition, common arc light collection modules need to be replaced after installation, and the pressure difference between the inside and outside of the equipment needs to be balanced, which makes installation and replacement inconvenient. Utility Model Content

[0003] The technical problem to be solved by the utility model is to provide an arc protection device for an inflatable switch cabinet, which can solve the problems of poor installation sealing, mechanical strength problems of the arc collection module caused by the internal and external pressure difference, and inconvenient replacement of the general arc protection device for an inflatable switch cabinet.

[0004] In order to solve the above technical problems, the technical solution of the utility model is: an inflatable switch cabinet arc protection device, the innovation of which is: comprising an arc light collection module mounting substrate, a transparent cover, an arc light collection module gland, an arc light collection module fixing member and an arc light collection module;

[0005] The arc light collection module installation substrate is provided with a stepped through hole for installing the arc light collection module, and bolt holes are provided around the stepped through hole on the arc light collection module installation substrate;

[0006] The transparent cover is cylindrical, and the top end is an arc-shaped closed end, the bottom end of the transparent cover is open, and the bottom end of the transparent cover is turned outward to form a limiting step; the transparent cover is embedded from the bottom end of the arc light collection module mounting substrate, and the limiting step of the transparent cover is against the step surface of the step through hole;

[0007] The arc light collection module fixing piece is in a hollow cylindrical structure, and the top end of the arc light collection module fixing piece is open to accommodate the arc light collection module passing through;

[0008] The arc light collection module pressure cover is arranged at the stepped through hole of the arc light collection module mounting substrate, and the arc light collection module pressure cover is locked and matched with the bolt holes in the circumference of the stepped through hole by bolts; a through hole for accommodating the arc light collection module fixing piece to pass through is opened at the center of the arc light collection module pressure cover;

[0009] A baffle is provided on the lower surface of the arc light collection module gland, and the baffle supports the bottom end of the arc light collection module fixing piece, and a circular hole is opened at the center of the baffle to accommodate the arc light collection module passing through;

[0010] The arc light collection module is in a cylindrical structure, and a limiting boss is circumferentially arranged near the top of the arc light collection module, and the limiting boss is clamped at the end of the top of the arc light collection module fixing part to limit the arc light collection module.

[0011] Furthermore, a sealing ring is provided at the junction between the limiting step of the transparent cover and the stepped surface of the stepped through hole.

[0012] Furthermore, the baffle is connected to the lower surface of the arc light collection module cover by bolts, and the diameter of the circular hole in the center of the baffle is smaller than the outer diameter of the arc light collection module fixing part.

[0013] The advantages of the utility model are:

[0014] 1) In the utility model, a sealing ring structure is provided between the transparent cover and the stepped through hole, and an arc light collection module pressure cover is used to fix the module to form an independent sealing module, thereby improving the sealing effect; the arc light collection module is installed by an arc light collection module fixing part, and the arc light collection module fixing part is supported by a baffle connected to the arc light collection module pressure cover; the arc light collection module does not need to extend into the inner cavity of the equipment, and there will be no mechanical strength problems caused by pressure difference, and the arc light collection module can be replaced independently without adjusting the pressure difference between the indoor and outdoor of the equipment, so replacement is more convenient and quick. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The utility model is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0016] Figure 1 The utility model is a schematic diagram of an arc protection device for an inflatable switch cabinet. Implementation

[0017] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme 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 part of the embodiments of the utility model, not all of the embodiments. Generally, the components of the embodiments of the utility model described and shown in the drawings here can be arranged and designed in various different configurations.

[0018] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the present invention to be protected, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0019] like Figure 1 An arc protection device for an inflatable switch cabinet shown in the figure comprises an arc light collection module mounting substrate 1, a transparent cover 2, an arc light collection module pressure cover 3, an arc light collection module fixing member 4 and an arc light collection module 5.

[0020] The arc light collection module mounting substrate 1 is provided with a stepped through hole for mounting the arc light collection module, and bolt holes are provided around the stepped through hole on the arc light collection module mounting substrate 1 .

[0021] The transparent cover 2 is cylindrical, and the top end is an arc-shaped closed end. The bottom end of the transparent cover 2 is open, and the bottom end of the transparent cover 2 is turned outward to form a limiting step; the transparent cover 2 is embedded from the bottom end of the arc light collection module mounting substrate 1, and the limiting step of the transparent cover 2 is against the step surface of the stepped through hole.

[0022] The arc light collection module fixing member 4 is in a hollow cylindrical structure, and the top end of the arc light collection module fixing member 4 is open, which can accommodate the arc light collection module 5 to pass through.

[0023] The arc light collection module cover 3 is arranged at the stepped through hole of the arc light collection module mounting substrate 1, and the arc light collection module cover 3 is locked with the bolt holes circumferentially of the stepped through hole by bolts; a through hole is opened at the center of the arc light collection module cover 3 to accommodate the arc light collection module fixing part 4.

[0024] A baffle 6 is provided on the lower surface of the arc light collection module gland 3, and the baffle 6 supports the bottom end of the arc light collection module fixing member 4, and a circular hole is opened at the center of the baffle 6 to accommodate the arc light collection module passing through;

[0025] The arc light collection module 5 is cylindrical in structure, and a limiting boss is circumferentially arranged near the top of the arc light collection module 5, and the limiting boss is clamped at the end of the top of the arc light collection module fixing part 4 to limit the arc light collection module.

[0026] A sealing ring 7 is provided at the junction between the limiting step of the transparent cover 2 and the stepped surface of the stepped through hole.

[0027] The baffle 6 is connected to the lower surface of the arc light collection module cover 3 by bolts, and the diameter of the circular hole in the center of the baffle 6 is smaller than the outer diameter of the arc light collection module fixing part 4 .

[0028] The working principle of the utility model is as follows: a sealing ring structure is arranged between the transparent cover and the stepped through hole, and an arc light collection module pressure cover is used to fix it to form an independent sealing module, thereby improving the sealing effect; the arc light collection module is installed by an arc light collection module fixing part, and the arc light collection module fixing part is supported by a baffle connected to the arc light collection module pressure cover; the arc light collection module does not need to extend into the inner cavity of the equipment, and there will be no mechanical strength problems caused by pressure difference, and the arc light collection module can be replaced independently without adjusting the pressure difference between the indoor and outdoor of the equipment, so replacement is more convenient and quick.

[0029] Those skilled in the art should understand that the present invention is not limited by the above embodiments. The above embodiments and the description are only for explaining the principle of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which are within the scope of the present invention. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. An arc protection device for an inflatable switch cabinet, characterized in that: It includes an arc light collection module mounting base plate, a transparent cover, an arc light collection module gland, an arc light collection module fixing part and an arc light collection module; The arc light collection module installation substrate is provided with a stepped through hole for installing the arc light collection module, and bolt holes are provided around the stepped through hole on the arc light collection module installation substrate; The transparent cover is cylindrical, and the top end is an arc-shaped closed end, the bottom end of the transparent cover is open, and the bottom end of the transparent cover is turned outward to form a limiting step; the transparent cover is embedded from the bottom end of the arc light collection module mounting substrate, and the limiting step of the transparent cover is against the step surface of the step through hole; The arc light collection module fixing piece is in a hollow cylindrical structure, and the top end of the arc light collection module fixing piece is open to accommodate the arc light collection module passing through; The arc light collection module pressure cover is arranged at the stepped through hole of the arc light collection module mounting substrate, and the arc light collection module pressure cover is locked and matched with the bolt holes in the circumference of the stepped through hole by bolts; A through hole for accommodating the arc light collection module fixing member to pass through is opened at the center of the arc light collection module gland; A baffle is provided on the lower surface of the arc light collection module gland, and the baffle supports the bottom end of the arc light collection module fixing piece, and a circular hole is opened at the center of the baffle to accommodate the arc light collection module passing through; The arc light collection module is in a cylindrical structure, and a limiting boss is circumferentially arranged near the top of the arc light collection module, and the limiting boss is clamped at the end of the top of the arc light collection module fixing part to limit the arc light collection module.

2. The arc protection device for an inflatable switch cabinet according to claim 1, characterized in that: A sealing ring is provided at the junction between the limiting step of the transparent cover and the stepped surface of the stepped through hole.

3. The arc protection device for an inflatable switch cabinet according to claim 1, characterized in that: The baffle is connected to the lower surface of the arc light collection module gland by bolts, and the diameter of the circular hole in the center of the baffle is smaller than the outer diameter of the arc light collection module fixing part.

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