High-toughness insulating wood board

Through the design of multi-layer composite materials and surface coatings, the problem of insufficient toughness of insulating wood boards is solved, and an insulating board with high toughness and safety is achieved, which is suitable for the protection of electrical equipment.

CN223420239UActive Publication Date: 2025-10-10HANGZHOU KUANKE IND CO LTD
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Patent Information

Application Number
CN202422675713.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-04
Publication Date
2025-10-10
Estimated Expiration
2034-11-04

AI Technical Summary

Technical Problem

Existing insulating wood boards are not tough enough and easily break when hit, making them unable to effectively protect electrical equipment.

Method used

It adopts a multi-layer structural design, including a composite material of carbon fiber mesh, glass fiber mesh, rubber plate and reinforcement plate. The insulation board is formed by high-temperature pressing and the surface is coated with flame retardant, water-blocking and wear-resistant layers.

Benefits of technology

The toughness and impact resistance of the insulation board are improved, the protection capability of electrical equipment is enhanced, and the insulation performance and safety of use are improved.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of insulating boards, in particular to a high-toughness insulating board which comprises an insulating board body, the insulating board body comprises a carbon fiber net, first paperboards, a glass fiber net, second paperboards, a rubber board, a reinforcing board, an insulating layer and a protective surface layer, the carbon fiber net is arranged on the innermost side, the first paperboards are pressed on the front side and the rear side of the carbon fiber net, and the glass fiber net is pressed on the second paperboards. The glass fiber meshes are pressed on the outer side surfaces of the two groups of first paperboards respectively, and the second paperboards are pressed on the outer sides of the glass fiber meshes; the multi-layer paperboards, the carbon fiber nets, the glass fiber nets, the rubber plates and the reinforcing plates are pressed to form the insulating paperboard compounded by various materials, the toughness and the bending resistance of the insulating board body are improved through the carbon fiber nets and the glass fiber nets, and the impact resistance of the insulating board body is improved through interval distribution of the rubber plates and the reinforcing plates; therefore, the structural strength of the insulating plate body is effectively improved, and the electrical equipment is effectively protected.
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Description

TECHNICAL FIELD

[0001] The utility model relates to insulating wood board technical field, concretely relates to a high toughness insulating wood board. BACKGROUND

[0002] Insulating wood board, also known as electric wood board, is a kind of material for electrical insulation protection, it is combined by special insulating paper and phenolic resin or epoxy resin, electric wood board is widely applied in the field of power system, motor, transformer, switch device, electronic instrument, it is used to make electrical insulation baffle, insulating gasket, insulating sheet, isolation sheet etc. Component, to protect the safety and stable work of electrical equipment and electronic components, usually use laser punching processing and then use.

[0003] The existing insulating wood board is made by high-temperature compression of insulating paper and phenolic resin or epoxy resin, and the toughness is insufficient, when being impacted during installation or use, it is easy to break, and then the equipment cannot be effectively protected.

[0004] Therefore, it is necessary to invent a high toughness insulating wood board to solve the above problems. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of high toughness insulating wood board to solve the problem of insufficient toughness of insulating wood board in the art, when being impacted, it is easy to break, and then the equipment cannot be effectively protected.

[0006] In order to realize the above-mentioned purpose, the utility model provides the following technical scheme: a kind of high toughness insulating wood board, including insulating board body, the insulating board body includes carbon fiber net, first paperboard, glass fiber net, second paperboard, rubber plate, reinforcing plate, insulating layer and protective surface layer, the carbon fiber net is set in the innermost side, the first paperboard is compressed in the front and back sides of carbon fiber net, the glass fiber net is respectively compressed in the outer side surface of two groups of first paperboard, the second paperboard is compressed in the outer side of glass fiber net.

[0007] By adopting the above technical scheme, carbon fiber net accumulates glass fiber net, to increase the toughness of insulating board body, improve the bending resistance of insulating board body.

[0008] Optionally, the rubber plate and the reinforcing plate are alternately arranged.

[0009] Optionally, the rubber plate and the reinforcing plate are compressed on the surface of the second paperboard.

[0010] By adopting the above technical scheme, the rubber plate and the reinforcing plate distributed at intervals are used to buffer the impact received by the insulating board body, to improve the impact resistance of the insulating board body.

[0011] Optionally, the insulating layer is laminated on the outer surfaces of the rubber plate and the reinforcing plate.

[0012] By adopting the above technical solution, the insulating layer further improves the insulation performance of the insulating plate body.

[0013] Optionally, the protective surface layer is coated on the outer surface of the insulating layer.

[0014] By adopting the above technical solution, the protective surface layer is used to protect the surface of the insulation board body.

[0015] Optionally, the first paperboard, the second paperboard and the insulating layer all include a phenolic resin layer and a wood pulp paper layer.

[0016] Optionally, the protective surface layer comprises a flame retardant layer, a water-blocking layer and a wear-resistant layer from the inside to the outside.

[0017] By adopting the above technical solution, the flame retardant layer prevents the insulation board body from burning, the water-blocking layer prevents water vapor from penetrating into the interior of the insulation board body, and the wear-resistant layer is used to prevent wear on the surface of the insulation board body.

[0018] In the above technical solution, the technical effects and advantages provided by the utility model are:

[0019] 1. This invention utilizes multiple layers of cardboard, carbon fiber mesh, glass fiber mesh, rubber sheet, and reinforcing sheet in alternating distributions, and presses them together at high temperatures to form an insulating cardboard composite of multiple materials. The carbon fiber mesh and glass fiber mesh enhance the bending resistance of the insulating board body, thereby effectively improving its toughness. The rubber sheet and reinforcing sheet are also alternately distributed to enhance the impact resistance of the insulating board body, thereby effectively increasing the structural strength of the insulating board body and effectively protecting electrical equipment. This solves the problem of insulating wood boards having insufficient toughness, easily breaking when impacted, and thus failing to effectively protect equipment.

[0020] 2. The utility model sequentially arranges a flame retardant layer, a water-blocking layer and a wear-resistant layer on the insulating board from the inside to the outside. The flame retardant layer prevents the insulating board body from burning, the water-blocking layer prevents water vapor from penetrating into the interior of the insulating board body, and the wear-resistant layer is used to prevent wear on the surface of the insulating board body, thereby further improving the safety of the insulating board body. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0022] Figure 2 This is a schematic diagram of the internal structure of the utility model;

[0023] Figure 3 This is a schematic diagram of the paperboard structure of the present utility model;

[0024] Figure 4 This is a schematic diagram of the protective surface structure of the present utility model.

[0025] Description of reference numerals:

[0026] 1. Insulation board body; 11. Carbon fiber mesh; 12. First paperboard; 121. Phenolic resin layer; 122. Wood pulp paper layer; 13. Glass fiber mesh; 14. Second paperboard; 15. Rubber sheet; 16. Reinforcement plate; 17. Insulation layer; 18. Protective surface layer; 181. Flame retardant layer; 182. Water-blocking layer; 183. Wear-resistant layer. DETAILED DESCRIPTION

[0027] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below with reference to the accompanying drawings.

[0028] The utility model provides Figures 1 to 4 The high-toughness insulating wood board shown in the figure includes an insulating board body 1, wherein the insulating board body 1 includes a carbon fiber mesh 11, a first paperboard 12, a glass fiber mesh 13, a second paperboard 14, a rubber plate 15, a reinforcing plate 16, an insulating layer 17 and a protective surface layer 18. The carbon fiber mesh 11 is arranged on the innermost side, the first paperboard 12 is pressed on the front and back sides of the carbon fiber mesh 11, the glass fiber mesh 13 is pressed on the outer surfaces of the two groups of first paperboards 12, and the second paperboard 14 is pressed on the glass fiber mesh 13. On the outside of the first paperboard 12, the rubber sheets 15 and the reinforcing sheets 16 are alternately arranged, the rubber sheets 15 and the reinforcing sheets 16 are pressed onto the surface of the second paperboard 14, the insulating layer 17 is pressed onto the outer surfaces of the rubber sheets 15 and the reinforcing sheets 16, and the protective surface layer 18 is coated on the outer surface of the insulating layer 17. The first paperboard 12, the second paperboard 14 and the insulating layer 17 all include a phenolic resin layer 121 and a wood pulp paper layer 122. The protective surface layer 18 includes a flame retardant layer 181, a water-blocking layer 182 and a wear-resistant layer 183 from the inside to the outside.

[0029] Among them, the carbon fiber mesh 11, the first cardboard 12, the glass fiber mesh 13, the second cardboard 14, the rubber plate 15, and the reinforcing plate 16 are laid in sequence and pressed into shape using high temperature. During use, the carbon fiber mesh 11 and the glass fiber mesh 13 tightly connect the cardboards on both sides together, thereby effectively improving the toughness of the insulation board body 1 and improving its bending resistance. The rubber plate 15 and the reinforcing plate 16 are coated on the outside of the cardboard to improve the anti-collision ability of the insulation board body 1. Then, the insulation layer 17 is used to further improve the insulation of the insulation board body 1.

[0030] At the same time, during use, the wear-resistant layer 183 improves the overall wear resistance of the insulating plate body 1, and the flame-retardant layer 181 is used to prevent the insulating plate body 1 from burning when the electrical equipment is short-circuited. The water-blocking layer 182 prevents water vapor from invading the interior of the insulating plate body 1, prevents the interior of the insulating plate body 1 from being loose, and improves the service life and safety of the insulating plate body 1.

[0031] See Figures 2 to 4 During the production process of the insulation board, bleached wood pulp paper and cotton linter paper are mixed to form a wood pulp paper layer 122, which is then pressed and mixed with a phenolic resin layer 121 at high temperature to form multiple sets of paperboards. The paperboards are sequentially soaked in the phenolic resin layer 121 so that the phenolic resin layer 121 covers the surface of the paperboards. In a mold, an insulation layer 17, a rubber sheet 15, a reinforcement sheet 16, a second paperboard 14, a glass fiber mesh 13, a first paperboard 12, a carbon fiber mesh 11, a first paperboard 12, a glass fiber mesh 13, a second paperboard 14, a rubber sheet 15, a reinforcement sheet 16, and an insulation layer 17 are sequentially laid from bottom to top. Then, they are pressed together at high temperature using a machine. A flame retardant layer 181, a water-blocking layer 182, and a wear-resistant layer 183 are sequentially laid on the surface of the pressed insulation board.

[0032] The working principle of the utility model is as follows: a plurality of layers of cardboard are arranged at intervals with a carbon fiber mesh 11, a glass fiber mesh 13, a rubber sheet 15 and a reinforcing sheet 16, and they are pressed together at high temperature to form an insulating cardboard composite of multiple materials. The carbon fiber mesh 11 and the glass fiber mesh 13 are used to improve the toughness and bending resistance of the insulating board body 1, and the rubber sheet 15 and the reinforcing sheet 16 are arranged at intervals to improve the impact resistance of the insulating board body 1, thereby effectively improving the structural strength of the insulating board body 1 and effectively protecting electrical equipment.

[0033] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely preferred examples of the present invention and are not intended to limit the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention, and such changes and improvements fall within the scope of the present invention.

Claims

1. A high-toughness insulating wood board, comprising an insulating board body (1), characterized in that: The insulating board body (1) comprises a carbon fiber mesh (11), a first paperboard (12), a glass fiber mesh (13), a second paperboard (14), a rubber plate (15), a reinforcing plate (16), an insulating layer (17) and a protective surface layer (18), wherein the carbon fiber mesh (11) is arranged at the innermost side, the first paperboard (12) is pressed onto the front and rear sides of the carbon fiber mesh (11), the glass fiber mesh (13) is respectively pressed onto the outer surfaces of two groups of first paperboards (12), and the second paperboard (14) is pressed onto the outer side of the glass fiber mesh (13).

2. The high-toughness insulating wood board according to claim 1, characterized in that: The rubber plates (15) and the reinforcing plates (16) are arranged alternately.

3. The high-toughness insulating wood board according to claim 1, characterized in that: The rubber plate (15) and the reinforcing plate (16) are pressed onto the surface of the second paperboard (14).

4. The high-toughness insulating wood board according to claim 1, characterized in that: The insulating layer (17) is pressed onto the outer surfaces of the rubber plate (15) and the reinforcing plate (16).

5. The high-toughness insulating wood board according to claim 1, characterized in that: The protective surface layer (18) is coated on the outer surface of the insulating layer (17).

6. The high-toughness insulating wood board according to claim 1, characterized in that: The first paperboard (12), the second paperboard (14), and the insulating layer (17) all include a phenolic resin layer (121) and a wood pulp paper layer (122).

7. The high-toughness insulating wood board according to claim 1, characterized in that: The protective surface layer (18) comprises, from the inside to the outside, a flame retardant layer (181), a water-blocking layer (182), and a wear-resistant layer (183).