A shield for a high voltage device

By employing a double-layer shielding structure and a locking chuck design, the problems of enhancing shielding effectiveness and structural stability in high-voltage shielding covers are solved, achieving efficient electromagnetic isolation and stable installation.

CN224583573UActive Publication Date: 2026-07-31YANGZHOU RUNPU ELECTRIC MFG CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
YANGZHOU RUNPU ELECTRIC MFG CO LTD
Filing Date
2025-06-27
Publication Date
2026-07-31

AI Technical Summary

Technical Problem

Existing high-voltage shielding covers have low production efficiency when enhanced internal shielding is required, and their structure is unstable under strong vibration or high pressure environments.

Method used

The design employs a double-layer shielding structure, including the shielding cover body and the inner shielding cover. By assembling side strips and side grooves, combined with the mechanical locking method of locking chuck and locking bolts, the shielding effect is improved and the structure remains stable under high pressure.

Benefits of technology

It significantly improves electromagnetic isolation, simplifies the installation process, reduces assembly difficulty, shortens maintenance time, and maintains structural stability under strong vibration or high pressure environments.

✦ Generated by Eureka AI based on patent content.

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Abstract

A shielding cover for high-voltage equipment includes a shielding cover body with a shielding space for localized shielding of the high-voltage equipment. Within the shielding space is a shielding inner cover for further enhancing the shielding effect. The inner cover has mounting strips for assembling the inner cover and the shielding cover body. The double-layer shielding structure formed by the shielding cover body and the inner cover significantly improves electromagnetic isolation, effectively suppressing electric field leakage and electromagnetic interference generated by the high-voltage equipment. The design of the mounting strips and side grooves simplifies the installation process of the inner and outer covers, allowing for precise positioning through sliding nesting without the need for complex tools, greatly reducing assembly difficulty and shortening maintenance time.
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Description

Technical Field

[0001] This utility model relates to a shielding component, specifically a shielding cover for high-voltage equipment. Background Technology

[0002] The shielding covers used in high-voltage equipment are mainly made of shielding materials, which can effectively isolate strong electric fields inside or around the equipment, prevent the electric field from spreading outward, thereby reducing electromagnetic interference to the external environment and nearby equipment, and avoiding the occurrence of corona discharge. Especially in high-voltage environments, corona discharge not only consumes energy, but may also cause local overheating or even insulation breakdown. The shielding cover can conduct the charge to the ground through grounding, ensuring stable operation of the equipment. The shielding cover can also protect operators from the threat of high-voltage arcs or electrostatic induction, reduce the risk of electric shock, and resist the effects of environmental factors such as dust and humidity. The shielding cover can improve the overall anti-interference capability and reduce signal distortion or false triggering.

[0003] In the prior art, document 201821790999.4 discloses a high-voltage shielding cover. This utility model discloses a high-voltage shielding cover, comprising a first cover and a second cover, which can be spliced ​​to form a high-voltage shielding cover. The inner wall of the first cover is provided with a plurality of first positioning plates, and the inner wall of the second cover is provided with a plurality of second positioning plates. All the first and second positioning plates are correspondingly arranged, and any first positioning plate and its corresponding second positioning plate are fitted together. The splicing surfaces of the first and second covers can fit together, and the first and second covers can be welded together. This utility model improves production efficiency through split molding and welding.

[0004] Existing shielding technologies can improve production efficiency through modular molding and welding, but they also cannot enhance the internal shielding effect, limiting their use in places requiring strong shielding. Utility Model Content

[0005] In order to overcome the shortcomings of existing technologies that cannot perform internal reinforcement shielding, this utility model provides a shielding cover for high-voltage equipment.

[0006] This utility model is achieved using the following technical solution: a shielding cover for high-voltage equipment, comprising a shielding cover body, a shielding space for partial shielding of the high-voltage equipment within the shielding cover body, an inner shielding cover for further enhancing the shielding effect within the shielding space, an assembly side strip for assembling the inner shielding cover and the shielding cover body on the inner shielding cover, an assembly side groove for fitting the assembly side strip on the inner wall of the shielding cover body, the inner shielding cover and the shielding cover body being assembled and fixed together by the assembly side strip and the assembly side groove, a side locking component, which is a locking chuck, on one side of the shielding cover body, having an internal slot for locking the shielding cover body, a locking plate on the locking chuck, and a locking bolt on the locking plate.

[0007] The locking chuck is divided into a left locking chuck and a right locking chuck, and both the left locking chuck and the right locking chuck are provided with locking plates.

[0008] The locking plate is provided with a locking round hole, which is a threaded hole adapted to a locking bolt, and a locking bolt is installed in the threaded hole.

[0009] The locking chuck is provided with a hand-held component on its top, which is a hand-held upright, and a pre-tightening component is provided on the hand-held upright.

[0010] The pre-tightening component is a locking long screw, and the handheld upright is provided with an adapter hole, in which the locking long screw is fitted.

[0011] The bottom of the shielding cover body is provided with an assembly flange, the assembly flange is provided with an assembly boss, and the assembly boss is provided with an assembly hole.

[0012] Compared with existing technologies, the double-layer shielding structure formed by the shielding cover body and the inner shielding cover significantly improves the electromagnetic isolation effect, effectively suppresses electric field leakage and electromagnetic interference generated by high-voltage equipment. The matching design of the side strips and side grooves simplifies the installation process of the inner and outer covers. Precise positioning can be completed by sliding nesting without the need for complicated tools, which greatly reduces the assembly difficulty and shortens the maintenance time.

[0013] The locking chuck adopts a split, symmetrical left-right structure. Combined with the mechanical locking method of the locking plate and locking bolts, it can generate uniform and reliable clamping force, ensuring that the shielding cover maintains structural stability under strong vibration or high pressure environments. The top hand-held upright integrates a long locking screw for pre-tightening, which not only provides a safe grip point for the operator, but also allows the locking force of the shielding cover to be pre-adjusted by rotating the screw. This allows for pre-locking, which facilitates further tightening of the locking bolts on the locking plate and ensures that the force on each component is balanced during assembly. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the structure of this utility model;

[0015] Figure 2 This is a schematic diagram of the structure of this utility model;

[0016] Figure 3 This is a schematic diagram of the structure of this utility model;

[0017] Figure 4 This is a partial view of the present invention;

[0018] In the diagram: 1 is the shielding cover body, 2 is the shielding space, 3 is the inner shielding cover, 4 is the mounting side strip, 5 is the mounting side groove, 6 is the locking chuck, 7 is the internal slot, 8 is the locking plate, 9 is the locking bolt, 10 is the handheld upright, 11 is the locking long screw, 12 is the mounting flange, 13 is the mounting boss, and 14 is the mounting hole. Detailed Implementation

[0019] The present invention will be further described below with reference to the accompanying drawings and specific embodiments. It should be noted that, without conflict, the various embodiments or technical features described below can be arbitrarily combined to form new embodiments.

[0020] A shielding cover for high-voltage equipment includes a shielding cover body 1, a shielding space 2 for partial shielding of the high-voltage equipment within the shielding cover body 1, an inner shielding cover 3 for further enhancing the shielding effect within the shielding space 2, an assembly side strip 4 for assembling the inner shielding cover 3 and the shielding cover body 1 on the inner shielding cover 3, and an assembly side groove 5 for fitting the assembly side strip on the inner wall of the shielding cover body 1. The inner shielding cover 3 and the shielding cover body 1 are assembled and fixed by the assembly side strip 4 and the assembly side groove 5. A side locking component, a locking chuck 6, is provided on one side of the shielding cover body 1. The locking chuck 6 has an internal locking groove 7 for locking the shielding cover body 1, a locking plate 8 on the locking chuck 6, and a locking bolt 9 on the locking plate.

[0021] The locking chuck 6 is divided into a left locking chuck and a right locking chuck. Both the left and right locking chucks are provided with locking plates 8. The locking plates 8 are provided with locking holes. The locking holes are threaded holes adapted to lock bolts 9. Lock bolts 9 are installed in the threaded holes.

[0022] Inside the shielding cover body 1, there is a shielding inner cover 3 that enhances shielding. The double-layer shielding structure formed by the shielding cover body 1 and the shielding inner cover 3 significantly improves the electromagnetic isolation effect and effectively suppresses electric field leakage and electromagnetic interference generated by high-voltage equipment. The matching design of the assembly side strip 4 and the assembly side groove 5 simplifies the installation process of the inner and outer covers. Precise positioning can be completed by sliding nesting without the need for complicated tools, which greatly reduces the assembly difficulty and shortens the maintenance time.

[0023] The top of the locking chuck 6 is provided with a hand-held component, which is a hand-held upright 10. The hand-held upright 10 is provided with a pre-tightening component, which is a locking long screw 11. The hand-held upright 10 is provided with an adapter hole, in which the locking long screw 11 is fitted. The bottom of the shielding cover body 1 is provided with an assembly flange 12, which is provided with an assembly boss 13, and the assembly boss 13 is provided with an assembly hole 14.

[0024] The locking chuck 6 adopts a split, symmetrical left-right structure. Combined with the mechanical locking method of the locking plate 8 and the locking bolt 9, it can generate a uniform and reliable clamping force, ensuring that the shielding cover maintains structural stability under strong vibration or high pressure environments. The top hand-held upright 10 integrates a pre-tightening locking long screw 11, which not only provides a safe grip point for the operator, but also allows the locking force of the shielding cover to be pre-adjusted by rotating the screw, enabling pre-locking. This facilitates further subsequent locking operations on the locking bolt 9 on the locking plate 8, ensuring that the force on each component is balanced during assembly.

[0025] The above embodiments are merely preferred embodiments of this utility model and should not be construed as limiting the scope of protection of this utility model. Any non-substantial changes and substitutions made by those skilled in the art based on this utility model shall fall within the scope of protection claimed by this utility model.

Claims

1. A shielding cover for high-voltage equipment, comprising a shielding cover body, wherein a shielding space is provided within the shielding cover body for partial shielding of the high-voltage equipment, and an inner shielding cover is provided within the shielding space for further enhancing the shielding effect. The inner shielding cover is provided with mounting side strips for assembling the inner shielding cover and the shielding cover body. The inner wall of the shielding cover body is provided with mounting side grooves for adapting to the mounting side strips. The inner shielding cover and the shielding cover body are assembled and fixed together by the mounting side strips and mounting side grooves. The shielding cover is characterized in that: The shielding cover body has a side locking component on one side, which is a locking chuck. The locking chuck has an internal slot for locking the shielding cover body, a locking plate, and a locking bolt.

2. A shield for a high voltage device according to claim 1, characterized in that: The locking chuck is divided into a left locking chuck and a right locking chuck, and both the left locking chuck and the right locking chuck are provided with locking plates.

3. A shield for a high voltage device according to claim 2, characterized in that: The locking plate is provided with a locking round hole, which is a threaded hole adapted to a locking bolt, and a locking bolt is installed in the threaded hole.

4. The shield for high voltage apparatus according to claim 1, wherein: The locking chuck is provided with a hand-held component on its top, which is a hand-held upright, and a pre-tightening component is provided on the hand-held upright.

5. A shield for a high voltage device according to claim 4, characterized in that: The pre-tightening component is a locking long screw, and the handheld upright is provided with an adapter hole, in which the locking long screw is fitted.

6. The shield for high voltage apparatus according to claim 1, wherein: The bottom of the shielding cover body is provided with an assembly flange, the assembly flange is provided with an assembly boss, and the assembly boss is provided with an assembly hole.