Air switch rack with external protection structure

By using aerogel felt thermal insulation frame, thermal insulation structural layer, metal reinforcement sheet and protective structural layer on the air-opening frame, the problem of easy breakage of the air-opening frame under high temperature and bending is solved, and the problem of the air-opening frame is easily broken under high temperature and bending is achieved. Good resistance to high temperature and bending.

CN222463786UActive Publication Date: 2025-02-11FUJIAN RONGCAN ELECTRIC TECH CO LTD
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Patent Information

Application Number
CN202420179324.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-01-24
Publication Date
2025-02-11
Estimated Expiration
2034-01-24

AI Technical Summary

Technical Problem

The existing empty opening frames are prone to fracture and damage after being subjected to high temperature and bending, and lack effective protection against high temperature and bending.

Method used

A hollow tread frame with an external protective structure is designed, using a combination of aerogel felt thermal insulation frame, thermal insulation structure layer, metal reinforcement sheet and protective structure layer (including polyurethane layer and rubber impact resistance layer) to enhance the Its resistance to high temperature and bending.

Benefits of technology

Through this design, the open frame is not prone to fracture and damage under high temperature and bending conditions, which significantly improves its high temperature and bending resistance.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an air switch rack with an external protection structure, which comprises an air switch rack upper body, and the bottom of the air switch rack upper body is fixedly connected with an air switch rack lower body clamping plate. According to the utility model, the aerogel felt heat insulation frame in the air switch support upper body and the heat insulation structure layer on the inner side of the air switch support lower body clamping plate can prevent the air switch support upper body and the air switch support lower body clamping plate from being softened due to heat of electric power when an internal air switch is used; the outer side of the air switch support lower body clamping plate is reinforced by the metal reinforcing sheet, so that the air switch support lower body clamping plate is not easy to bend and break in use; and finally, a polyurethane layer and a rubber anti-impact layer in the protection structure layer can prevent the air switch support lower body clamping plate from being bent and then broken due to the fact that external impact force exerts pressure on the air switch support lower body clamping plate, so that the air switch support lower body clamping plate has the advantage of being good in high-temperature-resistant and anti-bending effect, and the high-temperature-resistant and anti-bending effect in the use process of the air switch support is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of air switch brackets, in particular to an air switch frame with an external protective structure. Background Art

[0002] The main function of the switchgear is to open and close, control and protect electrical equipment in the process of power generation, transmission, distribution and energy conversion in the power system. The components in the switchgear mainly include circuit breakers, disconnectors, load switches, operating mechanisms, transformers and various protective devices. There are many ways to classify switchgear. For example, according to the installation method of circuit breakers, it can be divided into removable switchgear and fixed switchgear, or according to the different cabinet structures, it can be divided into open switchgear, metal-enclosed switchgear, and metal-enclosed armored switchgear. According to different voltage levels, it can be divided into high-voltage switchgear, low-voltage switchgear, etc.

[0003] The air switch, also known as the air circuit breaker, is a type of circuit breaker. It is a switch that will automatically disconnect as long as the current in the circuit exceeds the rated current. It is a commonly used switch in switch cabinets. The air switch frame is a frame that fixes the air switch and protects the plates on the air switch. It can also be called an air bracket. However, in order to ensure insulation during use, the existing air switch frames are only made of plastic materials and used on air switches. They are prone to breakage and damage after being subjected to high temperature and bending. Their high temperature and bending resistance protection performance needs to be improved.

[0004] Therefore, it is necessary to redesign the air switch frame on the air switch to effectively prevent the air switch frame from breaking and being damaged after being subjected to high temperature and bending. Utility Model Content

[0005] In order to solve the problems raised in the above background technology, the purpose of the utility model is to provide an open-type scaffolding with an external protective structure, which has the advantages of good resistance to high temperature and bending, and solves the problems that the existing open-type scaffolding is not easily affected by high temperature and is prone to breakage and damage after bending.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an open frame with an external protective structure, comprising an open frame upper body, the bottom of which is fixedly connected to an open frame lower body clamping plate;

[0007] The inner wall of the upper body of the open bracket is fixedly connected with an aerogel felt insulation frame, the inner side of the lower body cardboard of the open bracket is fixedly connected with an insulation structure layer, the outer side of the lower body cardboard of the open bracket is fixedly connected with a metal reinforcement sheet, and the outer side of the lower body cardboard of the open bracket is fixedly connected with a protective structure layer located on the outer side of the metal reinforcement sheet;

[0008] The thermal insulation structure layer includes a thermal insulation coating and an aerogel thermal insulation layer, the outer side of the thermal insulation coating is fixedly connected to the inner side of the lower body cardboard of the open bracket, and the outer side of the aerogel thermal insulation layer is fixedly connected to the inner side of the thermal insulation coating;

[0009] The protective structure layer comprises a polyurethane layer and a rubber anti-impact layer, the inner side of the polyurethane layer is fixedly connected to the surface of the lower body cardboard of the open bracket, and the rubber anti-impact layer is fixedly connected to the outer side of the polyurethane layer.

[0010] As a preferred embodiment of the present invention, the number of the metal reinforcement plates is six, and the six metal reinforcement plates are longitudinally distributed at equal distances on the outer side of the lower body clamping plate of the open bracket.

[0011] As a preferred embodiment of the present invention, the bottom of the inner side of the lower body cardboard of the open bracket is in an arc shape, and the shape of the bottom of the lower body cardboard of the open bracket is in an arc shape.

[0012] As a preferred embodiment of the utility model, the rubber impact-resistant layer is fixedly connected to the outer side of the polyurethane layer by means of high temperature resistant glue, and the thickness of the rubber impact-resistant layer and the thickness of the polyurethane layer are both 0.5 mm.

[0013] As a preferred embodiment of the utility model, the outer side of the metal reinforcement sheet is fixedly connected with a nano-coating located on the outer side of the lower body clamping plate of the open bracket, and the bottom of the metal reinforcement sheet is arc-shaped.

[0014] As a preferred embodiment of the present invention, the outer side of the aerogel insulation layer is fixedly connected to the inner side of the thermal insulation coating by means of high temperature resistant glue, and the thickness of the aerogel insulation layer and the thermal insulation coating are both 0.5 mm.

[0015] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0016] 1. The utility model firstly prevents the softening of the upper body of the air switch bracket and the lower body cardboard of the air switch bracket due to the heat of electricity during the use of the internal air switch by the aerogel felt insulation frame inside the upper body of the air switch bracket and the insulation structure layer inside the lower body cardboard of the air switch bracket. Then, the outer side of the lower body cardboard of the air switch bracket is reinforced by the metal reinforcement sheet, so that the lower body cardboard of the air switch bracket is not easy to bend and break during use. Finally, the polyurethane layer and the rubber impact-resistant layer inside the protective structure layer can prevent the external impact force from exerting pressure on the lower body cardboard of the air switch bracket, causing the lower body cardboard of the air switch bracket to bend and break, thereby having the advantages of good high temperature resistance and bending resistance, and improving the high temperature resistance and bending resistance of the air switch frame in use.

[0017] 2. The utility model sets the number of metal reinforcement plates to six, so that the six metal reinforcement plates can be placed on the outside of the lower body clamps of the two air switch brackets to strengthen and protect them. When the lower body clamps of the air switch brackets are bent during use, the metal reinforcement plates can support them, making it difficult for the lower body clamps of the air switch brackets to break after bending. The utility model can also enhance the stability of the lower body clamps of the air switch brackets on the external air switch, so that the lower body clamps of the air switch brackets can be stably clamped on the external air switch for use. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a three-dimensional schematic diagram of the structure of the utility model;

[0019] Figure 2 The utility model structure Figure 1 The enlarged schematic diagram at A in the middle;

[0020] Figure 3 It is a schematic diagram of the main cross-section of the heat-insulating structure layer of the utility model.

[0021] In the figure: 1. upper body of the open bracket; 2. lower body cardboard of the open bracket; 3. aerogel felt insulation frame; 4. insulation structure layer; 41. insulation coating; 42. aerogel insulation layer; 5. metal reinforcement sheet; 6. protective structure layer; 61. polyurethane layer; 62. rubber impact-resistant layer; 7. nano coating. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] like Figures 1 to 3 As shown, the utility model provides an open-type frame with an external protective structure, comprising an open-type frame upper body 1, and an open-type frame lower body clamping plate 2 is fixedly connected to the bottom of the open-type frame upper body 1;

[0024] The inner wall of the upper body 1 of the open bracket is fixedly connected with an aerogel felt insulation frame 3, the inner side of the lower body cardboard 2 of the open bracket is fixedly connected with an insulation structure layer 4, the outer side of the lower body cardboard 2 of the open bracket is fixedly connected with a metal reinforcement sheet 5, and the outer side of the lower body cardboard 2 of the open bracket is fixedly connected with a protective structure layer 6 located on the outer side of the metal reinforcement sheet 5;

[0025] The heat-insulating structure layer 4 includes a heat-insulating coating 41 and an aerogel heat-insulating layer 42. The outer side of the heat-insulating coating 41 is fixedly connected to the inner side of the lower body cardboard 2 of the open bracket, and the outer side of the aerogel heat-insulating layer 42 is fixedly connected to the inner side of the heat-insulating coating 41.

[0026] The protective structure layer 6 includes a polyurethane layer 61 and a rubber anti-impact layer 62 . The inner side of the polyurethane layer 61 is fixedly connected to the surface of the lower body cardboard 2 of the open bracket, and the rubber anti-impact layer 62 is fixedly connected to the outer side of the polyurethane layer 61 .

[0027] refer to Figure 2 The number of the metal reinforcing plates 5 is six, and the six metal reinforcing plates 5 are longitudinally and equidistantly distributed on the outer side of the lower body card plate 2 of the open bracket.

[0028] As a technical optimization scheme of the utility model, by setting the number of metal reinforcement plates 5 to six, the six metal reinforcement plates 5 can be placed on the outside of the two open bracket lower body clamps 2 to reinforce and protect them, so that when the open bracket lower body clamps 2 are bent during use, the metal reinforcement plates 5 can support them, so that the open bracket lower body clamps 2 are not prone to breakage after bending, and can enhance the stability of the open bracket lower body clamps 2 on the external air switch, so that the open bracket lower body clamps 2 can be stably clamped on the external air switch for use.

[0029] refer to Figure 2 The bottom of the inner side of the lower body card plate 2 of the open bracket is in an arc shape, and the shape of the bottom of the lower body card plate 2 of the open bracket is in an arc shape.

[0030] As a technical optimization solution of the utility model, by setting the bottom of the inner side of the lower body card plate 2 of the air switch bracket to be in an arc shape, the bottom of the lower body card plate 2 of the air switch bracket can be smoothly slid and connected on the external air switch.

[0031] refer to Figure 3 The rubber anti-impact layer 62 is fixedly connected to the outer side of the polyurethane layer 61 by high temperature resistant glue, and the thickness of the rubber anti-impact layer 62 and the thickness of the polyurethane layer 61 are both 0.5 mm.

[0032] As a technical optimization solution of the utility model, by setting the rubber impact-resistant layer 62 to be fixedly connected to the outer side of the polyurethane layer 61 by high-temperature resistant glue, the rubber impact-resistant layer 62 can be stably connected to the polyurethane layer 61 and effectively resist high temperatures.

[0033] refer to Figure 2 The outer side of the metal reinforcing sheet 5 is fixedly connected with a nano coating 7 located on the outer side of the lower body clamping plate 2 of the open bracket, and the bottom of the metal reinforcing sheet 5 is in an arc shape.

[0034] As a technical optimization scheme of the utility model, by setting the nano-coating 7, the electrostatic conductivity of the surface of the metal reinforcement plate 5 can be increased, so that the metal reinforcement plate 5 placed on the outer side of the lower body card plate 2 of the air switch bracket is not easy to conduct static electricity and affect the air switch inside the lower body card plate 2 of the air switch bracket.

[0035] refer to Figure 3 The outer side of the aerogel insulation layer 42 is fixedly connected to the inner side of the thermal insulation coating 41 by high temperature resistant glue, and the thickness of the aerogel insulation layer 42 and the thermal insulation coating 41 are both 0.5 mm.

[0036] As a technical optimization solution of the utility model, by setting the outer side of the aerogel insulation layer 42 to be fixedly connected to the inner side of the thermal insulation coating 41 through high-temperature resistant glue, the connection between the aerogel insulation layer 42 and the thermal insulation coating 41 can be made more stable.

[0037] The working principle and use process of the utility model: when in use, the aerogel felt insulation frame 3 inside the upper body 1 of the air switch bracket and the insulation structure layer 4 inside the lower body cardboard 2 of the air switch bracket can prevent the upper body 1 of the air switch bracket and the lower body cardboard 2 of the air switch bracket from softening due to the heat of electricity during the use of the internal air switch. The insulation coating 41 and the aerogel insulation layer 42 inside the insulation structure layer 4 can effectively prevent the heat from being transferred to the inner side of the lower body cardboard 2 of the air switch bracket, so that the heat is not easy to soften the lower body cardboard 2 of the air switch bracket, and the outer side of the lower body cardboard 2 of the air switch bracket is reinforced by the metal reinforcement sheet 5, so that the air switch bracket The lower body card plate 2 of the frame is not easy to bend and break when it is connected to the air switch, so that the six metal reinforcement plates 5 can enhance the strength of the lower body card plate 2 of the air switch bracket during use, and the polyurethane layer 61 and the rubber impact-resistant layer 62 inside the protective structure layer 6 can prevent the external impact force from exerting pressure on the lower body card plate 2 of the air switch bracket, causing the lower body card plate 2 of the air switch bracket to bend and break, effectively buffering the external impact force, and the metal reinforcement plate 5 is placed on the inner side of the protective structure layer 6, which is not easy to cause the lower body card plate 2 of the air switch bracket to bend and break after being subjected to external force, thereby achieving the advantages of good high temperature resistance and bending resistance.

[0038] In summary: the open-type scaffolding with an external protective structure solves the problems of existing open-type scaffolding being not easily affected by high temperatures and being prone to breakage and damage after bending by arranging an open-type scaffolding upper body 1, an open-type scaffolding lower body cardboard 2, an aerogel felt insulation frame 3, an insulation structure layer 4, an insulation coating 41, an aerogel insulation layer 42, a metal reinforcement sheet 5, a protective structure layer 6, a polyurethane layer 61 and a rubber impact-resistant layer 62.

[0039] 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.

[0040] 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.

Claims

1. An open-type frame with an external protective structure, comprising an open-type frame upper body (1), wherein the bottom of the open-type frame upper body (1) is fixedly connected to an open-type frame lower body clamping plate (2); Features: An aerogel felt heat insulation frame (3) is fixedly connected to the inner wall of the upper body (1) of the open frame, a heat insulation structure layer (4) is fixedly connected to the inner side of the lower body cardboard (2) of the open frame, a metal reinforcement sheet (5) is fixedly connected to the outer side of the lower body cardboard (2) of the open frame, and a protective structure layer (6) located outside the metal reinforcement sheet (5) is fixedly connected to the outer side of the lower body cardboard (2) of the open frame; The thermal insulation structure layer (4) comprises a thermal insulation coating (41) and an aerogel thermal insulation layer (42), the outer side of the thermal insulation coating (41) being fixedly connected to the inner side of the lower body cardboard (2) of the open support, and the outer side of the aerogel thermal insulation layer (42) being fixedly connected to the inner side of the thermal insulation coating (41); The protective structure layer (6) comprises a polyurethane layer (61) and a rubber impact-resistant layer (62), wherein the inner side of the polyurethane layer (61) is fixedly connected to the surface of the lower body cardboard (2) of the open bracket, and the rubber impact-resistant layer (62) is fixedly connected to the outer side of the polyurethane layer (61).

2. The open-type scaffolding with an external protective structure according to claim 1, characterized in that: The number of the metal reinforcement plates (5) is six, and the six metal reinforcement plates (5) are longitudinally distributed at equal distances on the outer side of the lower body clamping plate (2) of the open bracket.

3. The open-type scaffolding with an external protective structure according to claim 1, characterized in that: The bottom of the inner side of the lower body clamping plate (2) of the open bracket is in an arc shape, and the shape of the bottom of the lower body clamping plate (2) of the open bracket is in an arc shape.

4. The open-type scaffolding with an external protective structure according to claim 1, characterized in that: The rubber anti-impact layer (62) is fixedly connected to the outer side of the polyurethane layer (61) by means of high temperature resistant glue, and the thickness of the rubber anti-impact layer (62) and the thickness of the polyurethane layer (61) are both 0.5 mm.

5. The open-type scaffolding with an external protective structure according to claim 1, characterized in that: The outer side of the metal reinforcement sheet (5) is fixedly connected to a nano coating (7) located on the outer side of the lower body clamping plate (2) of the open bracket, and the bottom of the metal reinforcement sheet (5) is in an arc shape.

6. The open-type scaffolding with an external protective structure according to claim 1, characterized in that: The outer side of the aerogel thermal insulation layer (42) is fixedly connected to the inner side of the thermal insulation coating (41) via high temperature resistant glue, and the thickness of the aerogel thermal insulation layer (42) and the thermal insulation coating (41) are both 0.5 mm.