Electrical switch cabinet with noise reduction function

Abstract

The utility model provides an electrical switch cabinet with a noise reduction function, belongs to the technical field of electrical switch cabinets, and solves the technical problems that the existing structures such as a sound absorption layer and a sound insulation cover are easy to age and difficult to replace, and the sound absorption and noise reduction performance is influenced. An electrical switch cabinet with a noise reduction function comprises an electrical cabinet body and an equipment cavity arranged in the electrical cabinet body, a driving block is fixed at the cavity bottom of the equipment cavity, a plurality of fixed frame plates are arranged on the cavity wall of the equipment cavity, and sound absorption plates are placed between the fixed frame plates and the cavity wall of the equipment cavity. And a driving assembly for controlling the plurality of fixed frame plates to move is arranged in the driving block. The utility model has the advantages that the aged acoustic board can be conveniently replaced, and the sound absorption and noise reduction performance can be maintained.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of electrical switch cabinet, and relates to an electrical switch cabinet, in particular to an electrical switch cabinet with noise reduction function. BACKGROUND

[0002] The electrical cabinet is a cabinet made of steel for protecting components and devices in normal work. The manufacturing materials of the electrical cabinet are generally divided into hot-rolled steel plate and cold-rolled steel plate. The cold-rolled steel plate is softer than the hot-rolled steel plate and is more suitable for the manufacturing of the electrical cabinet. The electrical cabinet is widely used in chemical industry, environmental protection industry, power system, metallurgical system, industry, nuclear power industry, fire safety monitoring, transportation industry and the like. Since the electrical cabinet generates noise during work, it affects the working environment of the workers and is not conducive to the health of the workers.

[0003] According to the search, the Chinese patent document discloses a noise reduction type electrical cabinet (application number: 202022606555.4; publication number: CN 213403801 U). The noise reduction type electrical cabinet comprises a main cabinet body and a base, the outer periphery of the main cabinet body is provided with a sound insulation cover, the bottom of the main cabinet body is distributed with connecting columns, the upper part of the base is distributed with insertion slots corresponding to the connecting columns, the lower end of the connecting column penetrates through the sound insulation cover and is inserted into the insertion slot, the outer periphery of the connecting column is sleeved with a spring, the spring is located between the main cabinet body and the base, and the bottom of the base is provided with a rubber pad; the noise reduction type electrical cabinet can effectively reduce the noise generated by the electrical cabinet.

[0004] Although the patent can effectively reduce the noise generated by the electrical cabinet, the electrical cabinet generates high temperature during use, and long-term high temperature can easily cause the aging of the sound absorption layer, the sound insulation cover and other structures, and the replacement is not easy, which affects the sound absorption and noise reduction performance. UTILITY MODEL CONTENT

[0005] The utility model aims at the above problems existing in the prior art and provides an electrical switch cabinet with noise reduction function. The utility model aims to solve the technical problem of how to replace the aged sound absorption plate conveniently and maintain the sound absorption and noise reduction performance.

[0006] The utility model can be realized by the following technical scheme.

[0007] An electrical switch cabinet with noise reduction function comprises an electrical cabinet body, an equipment cavity formed in the electrical cabinet body, a driving block fixed at the cavity bottom of the equipment cavity, a plurality of fixed frame plates arranged on the cavity wall of the equipment cavity, a sound absorption plate arranged between the fixed frame plates and the cavity wall of the equipment cavity, and a driving assembly arranged in the driving block and configured to drive the movement of the fixed frame plates.

[0008] The utility model discloses a working principle is: the movement of fixed frame board can be controlled through drive assembly, to realize the quick fixing of sound absorption board, to further complete the quick dismounting of sound absorption board, thereby the aged sound absorption board is replaced, and the performance of sound absorption and noise reduction is maintained.

[0009] The sealing door plate is hinged at the cavity opening of the equipment cavity, and a sealing rubber ring is fixed on the sealing door plate to seal the cavity opening of the equipment cavity.

[0010] With the above structure, the equipment cavity can be sealed by the sealing door plate, so that the noise generated by the operation of the equipment in the equipment cavity is isolated by sealing.

[0011] The drive assembly includes a plurality of guide slots formed in the drive block, a plurality of drive sliders slidingly connected in the guide slots, a plurality of limit plates fixed on the drive sliders, a plurality of push springs fixed between the limit plates and the bottom of the corresponding guide slots, and one end of each of the plurality of drive sliders is fixedly connected with the corresponding fixed frame plate.

[0012] With the above structure, the sliding ability of the drive slider can drive the fixed frame plate to move, so as to adjust the distance between the fixed frame plate and the cavity wall of the equipment cavity, thereby realizing the dismounting of the sound absorption board.

[0013] The drive block is rotationally connected with a control wheel, and the surface of the control wheel is fixed with a pull rope between the plurality of fixed frame plates.

[0014] With the above structure, the rotation of the control wheel can wind the pull rope, pull the plurality of fixed frame plates, increase the distance between the fixed frame plate and the cavity wall of the equipment cavity, and facilitate the personnel to take out the sound absorption board. When the control wheel is reversely rotated, the fixed frame plate can be reversely pushed by the push spring, so as to reduce the distance between the fixed frame plate and the cavity wall of the equipment cavity, thereby realizing the clamping and fixing of the sound absorption board.

[0015] The drive motor is fixed in the drive block, and the output end of the drive motor is coaxially fixedly connected with the control wheel.

[0016] With the above structure, the drive motor can drive the control wheel to rotate, realize the automatic control ability, reduce the workload of personnel, and improve the overall work efficiency.

[0017] Compared with the prior art, the electrical switchgear with noise reduction function has the following advantages:

[0018] 1. The movement of the fixed frame plate is controlled by the drive assembly to realize the quick fixing of the sound absorption board, thereby further completing the quick dismounting of the sound absorption board, replacing the aged sound absorption board, and maintaining the performance of sound absorption and noise reduction.

[0019] 2. The driving motor drives the control wheel to rotate, realizes the automatic control ability, reduces the work load of personnel, and improves the overall work efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 is the structural schematic diagram of the utility model.

[0021] Figure 2 is the structural schematic diagram of the driving assembly in the utility model.

[0022] Figure 3 is the structural schematic diagram of the inside of the driving block in the utility model.

[0023] Figure 4 is the structural schematic diagram of the inside of the utility model.

[0024] In the figure, 1, electrical cabinet body;2, equipment cavity;3, driving block;4, fixed frame plate;5, sound-absorbing board;6, sealing door plate;7, guide sliding slot;8, driving sliding block;9, limiting plate;10, push spring;11, control wheel;12, pull rope;13, driving motor. DETAILED DESCRIPTION

[0025] The following is the specific embodiment of the utility model and is further described the technical scheme of the utility model in combination with the drawings, but the utility model is not limited to these embodiments.

[0026] As Figures 1-4 Indicated, a kind of electrical switchgear with noise reduction function, including electrical cabinet body 1, equipment cavity 2 being set in electrical cabinet body 1, the cavity bottom of equipment cavity 2 is fixed with driving block 3, equipment cavity 2 is provided with multiple fixed frame plates 4 on cavity wall, sound-absorbing board 5 is placed between fixed frame plate 4 and the cavity wall of equipment cavity 2, and driving block 3 is provided with the driving assembly of control multiple fixed frame plates 4 movement.

[0027] The movement of fixed frame plate 4 can be controlled by driving assembly, to realize the quick fixing of sound-absorbing board 5, to further complete the quick disassembly of sound-absorbing board 5, to replace the aging sound-absorbing board 5, and maintain the performance of sound-absorbing and noise reduction.

[0028] Sealing door plate 6 is hinged at the cavity mouth of equipment cavity 2, and sealing rubber ring is fixed on sealing door plate 6 for sealing the cavity mouth of equipment cavity 2.

[0029] With the above structure, equipment cavity 2 can be sealed by sealing door plate 6, so that the noise of equipment operation in equipment cavity 2 is isolated by sealing.

[0030] The driving assembly comprises a plurality of guide sliding grooves formed in the driving block 3, a driving sliding block 8 is slidably connected in each of the plurality of guide sliding grooves 7, a limiting plate 9 is fixed on each of the plurality of driving sliding blocks 8, a push spring 10 is fixed between each of the plurality of limiting plates 9 and the groove bottom of the corresponding guide sliding groove 7, and one end of each of the plurality of driving sliding blocks 8 is fixedly connected with the corresponding fixed frame plate 4.

[0031] With the above structure, the sliding ability of the driving sliding block 8 can drive the fixed frame plate 4 to move, so as to adjust the distance between the fixed frame plate 4 and the cavity wall of the equipment cavity 2, thereby achieving the disassembly and assembly of the sound-absorbing plate 5.

[0032] The driving block 3 is rotationally connected with a control wheel 11, and the wheel surface of the control wheel 11 is fixed with a pull rope 12 between the plurality of fixed frame plates 4.

[0033] With the above structure, the rotation of the control wheel 11 can wind the pull rope 12, pull the plurality of fixed frame plates 4, increase the distance between the fixed frame plate 4 and the cavity wall of the equipment cavity 2, and facilitate the personnel to take out the sound-absorbing plate 5.

[0034] The driving block 3 is fixed with a driving motor 13, and the output end of the driving motor 13 is coaxially fixedly connected with the control wheel 11.

[0035] With the above structure, the driving motor 13 can drive the control wheel 11 to rotate, realize the automatic control ability, reduce the workload of personnel, and improve the overall working efficiency.

[0036] The working principle of the utility model is: when the sound-absorbing plate 5 is aged, the driving motor 13 can drive the control wheel 11 to rotate, the rotation of the control wheel 11 can wind the pull rope 12, pull the plurality of fixed frame plates 4, increase the distance between the fixed frame plate 4 and the cavity wall of the equipment cavity 2, facilitate the personnel to take out the sound-absorbing plate 5, complete the replacement, reversely rotate the control wheel 11, push the fixed frame plate 4 through the push spring 10, reduce the distance between the fixed frame plate 4 and the cavity wall of the equipment cavity 2, and realize the clamping and fixing of the new sound-absorbing plate 5, thereby completing the replacement.

[0037] In summary, the driving assembly controls the movement of the fixed frame plate 4 to realize the quick fixing of the sound-absorbing plate 5, thereby further completing the quick disassembly and assembly of the sound-absorbing plate 5, replacing the aged sound-absorbing plate 5, and maintaining the sound-absorbing and noise-reducing performance.

[0038] The specific embodiments described herein are merely illustrative of the spirit of the present application. Those skilled in the art of the present application can make various modifications or supplements to the described specific embodiments or replace them with similar ways, but will not deviate from the spirit of the present application or exceed the scope defined by the appended claims.

Claims

1. An electrical switchgear with noise reduction function, comprising an electrical cabinet body (1) and a device cavity (2) formed in the electrical cabinet body (1), characterized in that, The equipment cavity (2) is fixed with a driving block (3) at the cavity bottom, a plurality of fixed frame plates (4) are arranged on the cavity wall of the equipment cavity (2), the sound-absorbing plates (5) are arranged between the fixed frame plates (4) and the cavity wall of the equipment cavity (2), and the driving block (3) is provided with a driving assembly for controlling the movement of the plurality of fixed frame plates (4).

2. The electrical switchgear cabinet with noise reduction function according to claim 1, characterized in that, The equipment cavity (2) is hinged with a sealing door plate (6) at the cavity opening, and the sealing door plate (6) is fixed with a sealing rubber ring for sealing the cavity opening of the equipment cavity (2).

3. The electrical switchgear cabinet with noise reduction function according to claim 1, characterized in that, The driving assembly comprises a plurality of guide sliding grooves (7) formed in the driving block (3), a driving sliding block (8) is slidably connected in each of the guide sliding grooves (7), a limiting plate (9) is fixed on each of the driving sliding blocks (8), a push spring (10) is fixed between each of the limiting plates (9) and the groove bottom of the corresponding guide sliding groove (7), and one end of each of the driving sliding blocks (8) is fixedly connected with the corresponding fixed frame plate (4).

4. The electrical switchgear cabinet with noise reduction function according to claim 1, characterized in that, The driving block (3) is rotatably connected with a regulating wheel (11), and the surface of the regulating wheel (11) is fixed with a pull rope (12) between the plurality of fixed frame plates (4).

5. The electrical switchgear cabinet with noise reduction function according to claim 4, characterized in that, The driving block (3) is fixed with a driving motor (13), and the output end of the driving motor (13) is coaxially fixedly connected with the regulating wheel (11).

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