High-protection self-adaptive center observation window for high-voltage switch cabinet

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By designing a high-protection adaptive center observation window, the problem of center position deviation of the device to be observed inside the high-voltage switch cabinet and low dust and waterproof performance is solved, and the adaptive adjustment of the observation window and high dust and waterproof effect are achieved.

CN222531089UActive Publication Date: 2025-02-25BEIJING QINGCHANG XINQI POWER EQUIP CO LTD

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Patent Information

Application Number: CN202421181047.8
Authority / Receiving Office: CN · China
Patent Type: Utility models(China)
Current Assignee / Owner
Filing Date: 2024-05-28
Publication Date: 2025-02-25
Estimated Expiration: 2034-05-28

AI Technical Summary

Technical Problem

The center position of the device to be observed inside the high-voltage switch cabinet may be deviated from the center of the casing opening, which will lead to inconvenience in observation or the inability to accurately read the device status. At the same time, the existing observation windows have low dust-proof and waterproof performance.

Method used

A high-protection adaptive central observation window is designed, including a mounting base, a transparent window and a fixed seat. The cover part of the mounting base covers the opening and is located outside the opening. By providing a sealing member on the outer side of the cover part and the outer side of the housing, it is combined with The gap adjustment function between the connection part and the fixed seat realizes adaptive adjustment of the center distance deviation and improves dust and waterproof performance.

Benefits of technology

It realizes clear observation of the status of the device to be observed inside the high-voltage switch cabinet, ensuring the safe and stable operation of the switch cabinet, and at the same time improving dust and waterproof performance, reaching IP55 level, and avoiding the entry of dust and moisture to cause damage to the equipment.

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Abstract

The utility model relates to the technical field of high-voltage switch cabinet observation windows, in particular to a high-protection self-adaptive center observation window for a high-voltage switch cabinet, the high-voltage switch cabinet comprises a shell and a device to be observed arranged in the shell, and the shell is provided with an opening aligned with the device to be observed. The central observation window comprises a mounting seat, a transparent window and a fixing seat, the mounting seat comprises a covering part and a connecting part which are connected or integrally formed, the connecting part is connected with the fixing seat, the shell is clamped between the covering part and the fixing seat, the transparent window is arranged on the covering part, and the covering part completely covers the opening and is located on the outer side of the opening; and a gap is formed between the outer peripheral surface of the connecting part and the inner side surface of the opening, so that the center distance deviation between the center observation window and the opening can be conveniently adjusted, the state of an internal to-be-observed device can be clearly observed, the safe and stable operation of the switch cabinet is further ensured, and the dustproof and waterproof performance of the switch cabinet is improved.

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Description

Technical Field

[0001] The utility model relates to the technical field of high-voltage switch cabinet observation windows, in particular to a high-protection adaptive central observation window for a high-voltage switch cabinet. Background Art

[0002] In the design and use of high-voltage switchgear, being able to clearly observe the status of the internal device to be observed is crucial to ensure the safe and stable operation of the switchgear. However, due to various reasons in installation, manufacturing accuracy or later maintenance, there may be a deviation between the center position of the device to be observed inside the high-voltage switchgear and the center of the corresponding opening of the switchgear shell, resulting in inconvenience in observation or inability to accurately read the device status.

[0003] Traditional observation window designs usually adopt fixed sizes and positions, which limits their ability to adapt to different deviations. Once the device to be observed deviates from the center of the shell opening, complex adjustments or reinstallation are required, which not only increases the difficulty and cost of the work, but may also affect the overall performance and safety of the switch cabinet.

[0004] In addition, dust and water resistance are also crucial for the observation window of high-voltage switchgear. In harsh industrial environments, dust and moisture may penetrate into the switchgear through unsealed observation windows, causing equipment damage, short circuits or other safety issues. Therefore, the observation window needs to meet a certain dust and water resistance level to ensure that the switchgear can operate normally in various environments.

[0005] At present, although there are some adjustable or movable observation window designs on the market, they are often complex in structure, expensive, and difficult to meet the high requirements of dust and water resistance at the same time. The IP (Ingress Protection) rating is an important indicator to measure the protection capability of the casing of electrical equipment. The IP55 rating requires that the equipment can prevent most dust from entering and can work normally under a certain pressure of water flow. This rating is particularly important for the observation window of the high-voltage switchgear. Utility Model Content

[0006] The purpose of the utility model is to provide a high-protection adaptive central observation window for a high-voltage switch cabinet, so as to solve the problem that a deviation may occur between the center position of the device to be observed inside the existing high-voltage switch cabinet and the center of the opening of the corresponding switch cabinet shell, resulting in inconvenient observation or inability to accurately read the device status and low dust and water resistance.

[0007] In order to solve the above problems, the utility model provides a high-protection adaptive central observation window for a high-voltage switch cabinet, the high-voltage switch cabinet comprises a shell and a device to be observed arranged in the shell, the shell has an opening opened to align with the device to be observed, the high-protection adaptive central observation window comprises: a mounting seat, a transparent window and a fixing seat, the mounting seat comprises a covering part and a connecting part which are connected or integrally formed, the connecting part is connected to the fixing seat, the shell is sandwiched between the covering part and the fixing seat, the transparent window is arranged on the covering part, the covering part completely covers the opening and is located on the outside of the opening;

[0008] A gap is provided between the outer peripheral surface of the connecting portion and the inner side surface of the opening so as to adjust the center distance deviation between the high-protection adaptive central observation window and the opening.

[0009] A groove is formed on one side of the cover portion facing the housing, and a sealing member for sealing the cover portion and the outer side surface of the housing is arranged in the groove.

[0010] As a preferred solution of the utility model, the thickness of the outer edge portion of the covering portion gradually decreases from the center of the covering portion to the surrounding direction, and the outer side of the outer edge portion is inclined toward the direction close to the shell.

[0011] As a preferred solution of the utility model, the mounting seat is formed with an opening, the front end portion of the device to be observed extends into the opening, and the outer peripheral surface of the front end portion of the device to be observed is gap-matched with the inner side surface of the opening.

[0012] As a preferred solution of the utility model, the front end surface of the device to be observed is located inside the inner end surface of the opening or between the inner end surface and the outer end surface of the opening.

[0013] As a preferred solution of the utility model, an internal thread is formed on the inner side of the fixing seat, an external thread is formed on the outer side of the connecting portion, and the internal thread and the external thread are threadedly connected to each other.

[0014] Preferably, the transparent window is made of high-strength boron glass.

[0015] Preferably, the mounting seat is made of thermoplastic material or metal material.

[0016] Preferably, the fixing seat and the connecting portion are connected by snap-fit.

[0017] Preferably, the sealing member is made of plastic material or rubber material.

[0018] The above technical solution of the utility model has the following beneficial technical effects:

[0019] (1) By providing a mounting seat, a transparent window and a fixing seat, and the mounting seat is provided with a covering portion and a connecting portion that are connected or integrally formed, and a gap is provided between the outer peripheral surface of the connecting portion and the inner side surface of the shell opening, compared with the traditional center observation window, the center distance deviation between the high-protection adaptive center observation window and the shell opening can be adjusted. During the design and use of the high-voltage switchgear, the state of the internal device to be observed can be clearly observed, further ensuring the safety and stable operation of the switchgear.

[0020] (2) The covering part is arranged to fully cover the opening and be located on the outside of the opening. A groove is formed on the side of the covering part facing the shell, and a sealing component is arranged in the groove to seal the covering part and the outer side surface of the shell. Compared with the traditional high-voltage switch cabinet observation window, it can effectively prevent dust and moisture from entering the switch cabinet in a harsh industrial environment, thereby causing safety problems such as damage to the equipment and short circuit. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the overall structure section of a high-protection adaptive central observation window for a high-voltage switch cabinet including a device to be measured;

[0022] Figure 2 This is a schematic diagram of the installation position structure of a high-protection adaptive central observation window for a high-voltage switch cabinet of the utility model;

[0023] Figure 3 The utility model is a schematic diagram of the overall structural section of a high-protection adaptive central observation window for a high-voltage switch cabinet.

[0024] Reference numerals:

[0025] 1-device to be observed; 2-housing; 3-mounting seat; 301-covering part; 302-connecting part; 4-transparent window; 5-fixing seat; 6-sealing member. DETAILED DESCRIPTION

[0026] In order to make the purpose, technical solution and advantages of the utility model clearer, the utility model is further described in detail below in combination with specific implementation methods and with reference to the accompanying drawings. It should be understood that these descriptions are only exemplary and are not intended to limit the scope of the utility model. In addition, in the following description, the description of well-known structures and technologies is omitted to avoid unnecessary confusion of the concept of the utility model.

[0027] The accompanying drawings show schematic diagrams of layer structures according to embodiments of the present invention. These figures are not drawn to scale, and some details are magnified and some details may be omitted for the purpose of clarity. The shapes of various regions and layers shown in the figures and the relative sizes and positional relationships therebetween are only exemplary, and may deviate in practice due to manufacturing tolerances or technical limitations, and those skilled in the art may additionally design regions / layers with different shapes, sizes, and relative positions according to actual needs.

[0028] Based on the background technology, there may be a deviation between the center position of the device to be observed inside the high-voltage switchgear and the center of the opening of the corresponding switchgear casing, resulting in inconvenience in observation or inability to accurately read the device status, as well as relatively poor dust and water resistance. The utility model patent proposes a high-protection adaptive central observation window for a high-voltage switchgear.

[0029] like Figure 1 , Figure 2 and Figure 3 As shown, the utility model patent relates to a high-voltage switch cabinet, including a shell 1 and a device to be observed 2 arranged in the shell 1, and the shell 1 has an opening opened to align with the device to be observed 2.

[0030] The front end surface of the device to be observed 2 is located within the inner end surface of the opening or between the inner end surface and the outer end surface of the opening.

[0031] The device to be observed 2 may be a barometer, a mechanical instrument, an indicator or other devices that need to be installed inside the housing 1 but need to be visually observed from the outside.

[0032] Preferably, the opening can be opened at any position on the housing 1, and the number of the openings can be multiple.

[0033] like Figure 3 As shown, the utility model patent provides a high-protection adaptive central observation window for a high-voltage switch cabinet, including a mounting seat 3, a transparent window 4, a fixing seat 5 and a sealing member 6, the transparent window 4 is mounted on the mounting seat 3, the fixing seat 5 is arranged inside the shell 1 and connected to the mounting seat 3, and the sealing member 6 is arranged between the mounting seat 3 and the shell 1.

[0034] Combination Figure 2 and Figure 3 It can be seen that the mounting seat 3 is installed at the opening of the housing 1 .

[0035] Combination Figure 1 and Figure 2 It can be seen that the mounting seat 3 is formed with an opening, the front end portion of the device to be observed 2 extends into the opening, and the outer peripheral surface of the front end portion of the device to be observed 2 is gap-matched with the inner side surface of the opening.

[0036] Preferably, the opening on the mounting base 3 is consistent in shape with the opening on the housing 1 and can be set to any shape.

[0037] Preferably, the mounting base 3 is fastened to the housing 1 to fully cover the opening on the housing 1, thereby enhancing the waterproof and dustproof capabilities of the high-voltage switch cabinet.

[0038] Preferably, the material of the mounting seat 3 is a thermoplastic material or a metal material.

[0039] Preferably, the mounting seat 3 is made of nylon 66 by injection molding.

[0040] In one embodiment, the mounting seat 3 is made of metal material and formed by casting, forging, machining, etc.

[0041] Preferably, the transparent window 4 is made of a high-strength boron glass sheet, and the mounting seat 3 and the transparent window 4 are injection-molded into an integral structure.

[0042] The transparent window 4 can be of any shape.

[0043] In one embodiment, if Figure 1 As shown, the mounting seat 3 includes a covering portion 301 and a connecting portion 302 , and the covering portion 301 and the connecting portion 302 are connected.

[0044] Preferably, the covering portion 301 and the connecting portion 302 are integrally formed, which has higher structural strength and can save manufacturing costs to a certain extent.

[0045] like Figure 1 As shown, the connecting portion 302 is connected to the fixing seat 5, the outer shell 1 is clamped between the covering portion 301 and the fixing seat 5, the transparent window 4 is arranged on the covering portion 301, and the covering portion 301 completely covers the opening of the outer shell 1 and is located on the outside of the opening of the outer shell 1, which can improve the waterproof and dustproof ability of the observation window.

[0046] Preferably, an internal thread is formed on the inner side of the fixing seat 5 , and an external thread is formed on the outer side of the connecting portion 302 , and the internal thread and the external thread are threadedly connected to each other.

[0047] There is a gap between the outer peripheral surface of the connecting portion 302 and the inner side surface of the opening of the outer shell 1, so as to adjust the center distance deviation between the high-protection adaptive center observation window and the opening of the outer shell 1. During the design and use of the high-voltage switch cabinet, the state of the internal device to be observed 2 can be clearly observed, further ensuring the safety and stable operation of the switch cabinet.

[0048] In one embodiment, the connection between the fixing seat 5 and the connecting portion 302 can also be designed as a snap connection, interference friction fit or magnetic attraction connection. Using different connection methods according to different positions can improve the application range and application flexibility of the observation window.

[0049] Preferably, the thickness of the outer edge of the covering portion 301 gradually decreases from the center of the covering portion 301 to the surrounding direction, and the outer side of the outer edge is inclined toward the direction close to the housing 1. Specifically, the outer edge of the covering portion 301 is designed with a trapezoidal chamfer, and there is no water accumulation groove at the transparent window 4 and the higher position of the center of the covering portion 301 in a water-spraying or humid environment.

[0050] Preferably, the covering portion 301 and the transparent window 4 are formed into an integrated structure by injection molding.

[0051] In one embodiment, the inner circle of the covering portion 301 is provided with a groove matching the transparent window 4, the transparent window 4 is embedded in the inner circle of the covering portion 301, and the connection between the transparent window 4 and the inner and outer surfaces of the covering portion 301 is sealed with a sealing material.

[0052] In one embodiment, the fixing seat 5 is a triangular ring, and a plurality of raised handles are designed on the outside of the triangular ring for hand-gripping and force application for rotation;

[0053] Preferably, an internal thread is provided on the inner side of the triangular ring, which cooperates with the external thread formed by the connecting part 302. After holding the raised handle of the triangular ring and screwing the triangular ring into the connecting part 302, the triangular ring and the covering part 301 can clamp the outer shell 1 together to prevent the mounting base 3 from falling off forward and backward.

[0054] Preferably, the connection between the triangular ring and the connecting portion 302 may also be designed as a snap fit, an interference fit, a magnetic attraction or other connection methods.

[0055] In one embodiment, if Figure 1 and Figure 3 As shown, a groove is formed on one side of the covering portion 301 facing the housing 1 , and a sealing member 6 is disposed in the groove to seal the covering portion 301 and the outer side surface of the housing 1 .

[0056] Preferably, the sealing member 6 is made of plastic material or rubber material, so that the dust and water resistance level of the high-protection adaptive central observation window for high-voltage switch cabinet can reach IP55.

[0057] It should be understood that the above specific embodiments of the present invention are only used to illustrate or explain the principles of the present invention, and do not constitute a limitation on the present invention. Therefore, any modifications, equivalent substitutions, improvements, etc. made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. In addition, the claims attached to the present invention are intended to cover all changes and modifications that fall within the scope and boundaries of the attached claims, or the equivalent forms of such scope and boundaries.

Claims

1. A high protection adaptive central observation window for high voltage switch cabinet, characterized in that: The high-voltage switch cabinet comprises a housing (1) and a device to be observed (2) arranged in the housing (1); the housing (1) has an opening opened in alignment with the device to be observed (2); the high-protection adaptive central observation window comprises: a mounting seat (3), a transparent window (4) and a fixing seat (5); the mounting seat comprises a covering portion (301) and a connecting portion (302) which are connected or integrally formed; the connecting portion (302) is connected to the fixing seat (5); the housing (1) is sandwiched between the covering portion (301) and the fixing seat (5); the transparent window (4) is arranged on the covering portion (301); the covering portion (301) completely covers the opening and is located outside the opening; There is a gap between the outer peripheral surface of the connecting portion (302) and the inner side surface of the opening so as to adjust the center distance deviation between the high-protection adaptive central observation window and the opening.

2. The high protection adaptive central observation window for high voltage switch cabinet according to claim 1 is characterized in that: A groove is formed on one side of the covering portion (301) facing the outer shell (1), and a sealing member (6) is arranged in the groove to seal the covering portion (301) and the outer side surface of the outer shell (1).

3. The high protection adaptive central observation window for high voltage switch cabinet according to claim 1 is characterized in that: Along the direction from the center of the covering part (301) to the surroundings, the thickness of the outer edge portion of the covering part (301) gradually decreases, and the outer side of the outer edge portion is inclined in a direction close to the housing (1).

4. The high protection adaptive central observation window for high voltage switch cabinet according to claim 1 is characterized in that: The mounting seat (3) is formed with an opening, the front end portion of the device to be observed (2) extends into the opening, and the outer peripheral surface of the front end portion of the device to be observed (2) is clearance-matched with the inner side surface of the opening.

5. The high protection adaptive central observation window for high voltage switch cabinet according to claim 4 is characterized in that: The front end surface of the device to be observed (2) is located inside the inner end surface of the opening or between the inner end surface and the outer end surface of the opening.

6. The high protection adaptive central observation window for high voltage switch cabinet according to claim 1, characterized in that: An internal thread is formed on the inner side of the fixing seat (5), and an external thread is formed on the outer side of the connecting portion (302), wherein the internal thread and the external thread are threadably connected to each other.

7. The high protection adaptive central observation window for high voltage switch cabinet according to claim 1 is characterized in that: The transparent window (4) is made of high-strength boron glass.

8. The high protection adaptive central observation window for high voltage switch cabinet according to claim 1 is characterized in that: The material of the mounting seat (3) is a thermoplastic material or a metal material.

9. The high protection adaptive central observation window for high voltage switch cabinet according to claim 1, characterized in that: The fixing seat (5) and the connecting portion (302) are connected by snap-fit.

10. The high protection adaptive central observation window for high voltage switch cabinet according to claim 2, characterized in that: The sealing member (6) is made of plastic material or rubber material.