Anti-noise detection device for low-voltage cabinet

Abstract

The utility model discloses an anti-noise detection device for a low-voltage cabinet, relates to the technical field of anti-noise detection device structures, and aims to solve the problem that the anti-noise performance of the low-voltage cabinet needs to be detected after the existing low-voltage cabinet is processed, so that the problem that the low-voltage cabinet is not qualified in anti-noise performance in the use process due to poor anti-noise performance can be solved. And noise generated by parts in the low-voltage cabinet affects the surrounding environment. An anti-noise detection device is installed in the low-voltage cabinet body, a retractable seat is installed at the rear end of the anti-noise detection device, a telescopic rod is installed at the upper end of the retractable seat, a handle is installed above the telescopic rod, a loudspeaker is installed at the front end of the anti-noise detection device, and a maintenance box door is installed in front of the low-voltage cabinet body. A placement chamber is arranged on one side of the maintenance box door, a placement seat is arranged in the placement chamber, a decibel meter is mounted above the placement seat, and universal wheels are mounted below the anti-noise detection device.

Description

Technical Field

[0001] The utility model relates to the technical field of anti-noise detection device structures, in particular to an anti-noise detection device for low-voltage switch cabinets. Background Technique

[0002] Low-voltage switch cabinets, commonly known as low-voltage switchgear cabinets, are a type of complete set of power distribution equipment with AC and DC voltages below 1000V. They have the characteristics of small size, light weight, compact structure, convenient installation and use, etc. They are widely used in power users such as power plants, substations, and the power departments of industrial and mining enterprises to receive and distribute electric energy. The anti-noise detection device is a device used for noise detection. Through the anti-noise detection device, the noise generated by the low-voltage switch cabinet can be detected, so that the low-voltage switch cabinet can be conveniently noise-reduced.

[0003] After retrieval, the authorized publication number CN218629656U discloses an anti-noise detection device for low-voltage switch cabinets, including a box body. Both sides of the front of the box body are movably connected with box doors through hinges. The inner wall of the box body and the inner sides of the two box doors are both fixedly connected with a first sound insulation cotton layer. One side of the three first sound insulation cotton layers is fixedly connected with a sound insulation board. One side of the three sound insulation boards is fixedly connected with a second sound insulation cotton layer. The bottom of the inner wall of the box body is fixedly connected with a bottom plate, and an electromagnet is embedded in the top of the bottom plate. Through the setting of the first sound insulation cotton layer, the sound insulation board and the second sound insulation cotton layer, the external sound can be prevented from entering the box body and affecting the anti-noise detection result of the low-voltage switch cabinet shell. Through the combined action of the electric push rod, the silent motor and the toothed ring, the decibel meter can slowly rotate and fall at the same time outside the low-voltage switch cabinet body, achieving an all-round detection effect on the low-voltage switch cabinet shell and improving the accuracy of the detection result.

[0004] However, after the existing low-voltage switch cabinets are processed, it is necessary to detect the anti-noise performance of the low-voltage switch cabinets, which can avoid the problem that the anti-noise performance of the low-voltage switch cabinets is unqualified, resulting in the noise generated by the internal components of the low-voltage switch cabinets affecting the surrounding environment during the use process. Therefore, there is an urgent need for an anti-noise detection device for low-voltage switch cabinets in the market to solve these problems. Content of the Utility Model

[0005] The purpose of the utility model is to provide an anti-noise detection device for low-voltage switch cabinets to solve the problem that after the existing low-voltage switch cabinets are processed, it is necessary to detect the anti-noise performance of the low-voltage switch cabinets, which can avoid the problem that the anti-noise performance of the low-voltage switch cabinets is unqualified, resulting in the noise generated by the internal components of the low-voltage switch cabinets affecting the surrounding environment during the use process as mentioned in the above background technique.

[0006] To achieve the above object, the present utility model provides the following technical solutions: A noise-resistant detection device for a low-voltage cabinet, including a low-voltage cabinet body, an anti-noise detection device is installed inside the low-voltage cabinet body, a retractable seat is installed at the rear end of the anti-noise detection device, a telescopic rod is installed at the upper end of the retractable seat, a handle is installed above the telescopic rod, a loudspeaker is installed at the front end of the anti-noise detection device, a maintenance box door is installed in front of the low-voltage cabinet body, a placement chamber is arranged on one side of the maintenance box door, a placement seat is arranged inside the placement chamber, a decibel meter is installed above the placement seat, and universal wheels are installed below the anti-noise detection device.

[0007] Preferably, an installation seat is arranged at the lower end of the handle, and the telescopic rod and the installation seat are fixedly connected by fixing screws.

[0008] Preferably, there are two loudspeakers, and the two loudspeakers are symmetrical about the vertical center line of the anti-noise detection device.

[0009] Preferably, the maintenance box door and the anti-noise detection device are rotationally connected through a connecting hinge, a display screen is arranged at the front end of the maintenance box door, and a button is arranged at the lower end of the display screen.

[0010] Preferably, a protective door is installed at the front end of the placement chamber, and the protective door is rotationally connected to the placement chamber.

[0011] Preferably, a sealed cabinet door is installed at the front end of the low-voltage cabinet body, and a noise detector is installed above the sealed cabinet door.

[0012] Preferably, there are four universal wheels, and the four universal wheels are symmetrical about the vertical center line at the lower end of the anti-noise detection device. A fixing foot is arranged at the upper end of the universal wheel, and the fixing foot and the anti-noise detection device are fixedly connected by connecting screws.

[0013] Compared with the prior art, the beneficial effects of the present utility model are:

[0014] 1. For this kind of noise-resistant detection device for a low-voltage cabinet, by rotating and opening the protective door, taking out the decibel meter, then closing the sealed cabinet door, and then turning on the anti-noise detection device to make the loudspeaker installed on the anti-noise detection device emit sound, and then detecting outside the low-voltage cabinet body with the decibel meter, the anti-noise performance of the low-voltage cabinet body can be detected. A noise detector is installed at the front end of the low-voltage cabinet body, and the anti-noise performance of the low-voltage cabinet body can be further detected through the installed noise detector, so that the sealed anti-noise effect of the low-voltage cabinet body can be detected.

[0015] 2. For this low-voltage cabinet noise resistance detection device, by pulling the handle upward, the telescopic rod moves, which can conveniently pull out the handle. Then, with the installed universal wheels, the noise resistance detection device can be conveniently moved. In this way, after the low-voltage cabinet body is produced, the noise resistance detection device can be conveniently placed inside the low-voltage cabinet body. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is the overall front view of the present utility model;

[0017] Figure 2 is the front view of the noise resistance detection device of the present utility model;

[0018] Figure 3 is of the present utility model Figure 2 partial enlarged view of Area A;

[0019] Figure 4 is of the present utility model Figure 2 partial enlarged view of Area B.

[0020] In the figure: 1, low-voltage cabinet body; 2, sealed cabinet door; 3, noise detector; 4, noise resistance detection device; 5, retractable seat; 6, telescopic rod; 7, handle; 701, mounting seat; 8, fixing screw; 9, loudspeaker; 10, maintenance box door; 1001, display screen; 1002, button; 11, connecting hinge; 12, placement chamber; 13, placement seat; 14, decibel meter; 15, protective door; 16, universal wheel; 1601, fixing foot; 17, connecting screw. SPECIFIC EMBODIMENTS

[0021] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments.

[0022] Please refer to Figures 1-4, An embodiment provided by the present utility model: A low-voltage cabinet anti-noise detection device, including a low-voltage cabinet body 1, an anti-noise detection device 4 is installed inside the low-voltage cabinet body 1, a retractable seat 5 is installed at the rear end of the anti-noise detection device 4, a telescopic rod 6 is installed at the upper end of the retractable seat 5, a handle 7 is installed above the telescopic rod 6, a loudspeaker 9 is installed at the front end of the anti-noise detection device 4, a maintenance box door 10 is installed in front of the low-voltage cabinet body 1, a placement chamber 12 is provided on one side of the maintenance box door 10, a placement seat 13 is provided inside the placement chamber 12, a decibel meter 14 is installed above the placement seat 13, and universal wheels 16 are installed below the anti-noise detection device 4. It should be noted that, in order to save space and highlight the innovative elements of this patent, such as how the low-voltage cabinet body specifically works, the working principle of the noise detector, and the working principles and processes of the anti-noise detection device, the loudspeaker, and the decibel meter will not be elaborated in this patent.

[0023] During use, by pulling up the handle 7, the telescopic rod 6 is moved, so that the handle 7 can be conveniently pulled out. Then, the anti-noise detection device 4 can be conveniently moved through the installed universal wheels 16. After the low-voltage cabinet body 1 is produced, the anti-noise detection device 4 can be conveniently placed inside the low-voltage cabinet body 1. Then, by rotating and opening the protective door 15, the decibel meter 14 is taken out. Then, by closing the sealed cabinet door 2, and then by turning on the anti-noise detection device 4 to make the loudspeaker 9 installed on the anti-noise detection device 4 emit sound, and then by using the decibel meter 14 to detect outside the low-voltage cabinet body 1, the anti-noise performance of the low-voltage cabinet body 1 can be detected. A noise detector 3 is installed at the front end of the low-voltage cabinet body 1. By the installed noise detector 3, the anti-noise performance of the low-voltage cabinet body 1 can be further detected, so that the sealed anti-noise effect of the low-voltage cabinet body 1 can be detected.

[0024] Please refer to Figure 1 , Figure 2 and Figure 3 , an installation seat 701 is provided at the lower end of the handle 7, and the telescopic rod 6 and the installation seat 701 are fixedly connected by a fixing screw 8, which can conveniently install and fix the handle 7 and the telescopic rod 6. By pulling the handle 7, the telescopic rod 6 is moved, so that the handle 7 can be conveniently pulled out, and thus the anti-noise detection device 4 can be conveniently moved.

[0025] Please refer to Figure 1 and Figure 2 , two loudspeakers 9 are provided, and the two loudspeakers 9 are symmetrical about the vertical center line of the anti-noise detection device 4. By the installed two loudspeakers 9, sound can be emitted, so that the anti-noise performance of the low-voltage cabinet body 1 can be conveniently detected.

[0026] Please refer toFigure 2 The inspection box door 10 and the anti-noise detection device 4 are rotatably connected through a connecting hinge 11. A display screen 1001 is provided at the front end of the inspection box door 10, and a button 1002 is provided at the lower end of the display screen 1001. Through the connecting hinge 11, the inspection box door 10 and the anti-noise detection device 4 can be conveniently rotatably connected, so that the components inside the anti-noise detection device 4 can be conveniently inspected.

[0027] Please refer to Figure 2 and Figure 4 As shown in the figure, a protective door 15 is installed at the front end of the placement chamber 12. The protective door 15 is rotatably connected to the placement chamber 12. Through the installed protective door 15, the decibel meter 14 can be conveniently protected. By rotating to open the protective door 15, the decibel meter 14 can be conveniently placed or taken out.

[0028] Please refer to Figure 1 As shown in the figure, a sealed cabinet door 2 is installed at the front end of the low-voltage cabinet body 1. A noise detector 3 is installed above the sealed cabinet door 2. Through the sealed cabinet door 2, the low-voltage cabinet body 1 can be sealed, and through the noise detector 3, the noise generated during the operation of the components inside the low-voltage cabinet body 1 can be monitored.

[0029] Please refer to Figure 1 、 Figure 2 and Figure 4 As shown in the figure, there are four universal wheels 16. The four universal wheels 16 are symmetric about the vertical center line at the lower end of the anti-noise detection device 4. A fixed foot 1601 is provided at the upper end of the universal wheel 16. The fixed foot 1601 and the anti-noise detection device 4 are fixedly connected through a connecting screw 17. The universal wheel 16 and the anti-noise detection device 4 can be conveniently installed and fixed. Through the installed universal wheels 16, the anti-noise detection device 4 can be conveniently moved, so that the anti-noise detection device 4 can be conveniently used.

[0030] Working principle: When in use, by pulling the handle 7 upwards, the telescopic rod 6 is moved, so that the handle 7 can be conveniently pulled out. Then, through the installed universal wheels 16, the anti-noise detection device 4 can be conveniently moved. After the low-voltage cabinet body 1 is produced, the anti-noise detection device 4 can be conveniently placed inside the low-voltage cabinet body 1. Then, by rotating and opening the protective door 15, the decibel meter 14 is taken out. Then, by closing the sealed cabinet door 2, and then by turning on the anti-noise detection device 4, the loudspeaker 9 installed in the anti-noise detection device 4 emits sound. Then, the decibel meter 14 is used to detect outside the low-voltage cabinet body 1, so that the anti-noise performance of the low-voltage cabinet body 1 can be detected. A noise detector 3 is installed at the front end of the low-voltage cabinet body 1. Through the installed noise detector 3, the anti-noise performance of the low-voltage cabinet body 1 can be further detected, so that the sealed anti-noise effect of the low-voltage cabinet body 1 can be detected.

[0031] For those skilled in the art, it is obvious that the present utility model is not limited to the details of the above-described exemplary embodiments, and the present utility model can be implemented in other specific forms without departing from the spirit or basic characteristics of the present utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the present utility model is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present utility model. Any reference signs in the claims should not be regarded as limiting the claimed rights.

Claims

1. A low-voltage cabinet anti-noise detection device, comprising a low-voltage cabinet body (1), characterized in that: The low-voltage cabinet body (1) is provided with an anti-noise detection device (4), a retractable seat (5) is provided at the rear end of the anti-noise detection device (4), a telescopic rod (6) is provided at the upper end of the retractable seat (5), a handle (7) is provided above the telescopic rod (6), a loudspeaker (9) is provided at the front end of the anti-noise detection device (4), an inspection box door (10) is provided at the front of the low-voltage cabinet body (1), a placement chamber (12) is provided on one side of the inspection box door (10), a placement chamber (13) is provided inside the placement chamber (12), a decibel meter (14) is provided above the placement chamber (13), and a universal wheel (16) is provided below the anti-noise detection device (4).

2. A low voltage cabinet anti-noise detection device according to claim 1, characterized in that: A mounting seat (701) is provided at the lower end of the handle (7), and the telescopic rod (6) and the mounting seat (701) are fixedly connected via a fixing screw (8).

3. A low voltage cabinet anti-noise detection device according to claim 1, characterized in that: Two loudspeakers (9) are provided, and the two loudspeakers (9) are symmetrical with respect to the vertical center line of the anti-noise detection device (4).

4. A low voltage cabinet anti-noise detection device according to claim 1, characterized in that: The inspection box door (10) is rotatably connected to the anti-noise detection device (4) via a connecting hinge (11); a display screen (1001) is provided at the front end of the inspection box door (10); and a button (1002) is provided at the lower end of the display screen (1001).

5. A low voltage cabinet anti-noise detection device according to claim 1, characterized in that: A protective door (15) is installed at the front end of the placement chamber (12), and the protective door (15) is rotatably connected to the placement chamber (12).

6. A low voltage cabinet anti-noise detection device according to claim 1, characterized in that: A sealed cabinet door (2) is installed at the front end of the low-voltage cabinet body (1), and a noise detector (3) is installed above the sealed cabinet door (2).

7. A low voltage cabinet anti-noise detection device according to claim 1, characterized in that: Four universal wheels (16) are provided, and the four universal wheels (16) are symmetrical about the vertical center line of the lower end of the anti-noise detection device (4). A fixed foot (1601) is provided at the upper end of the universal wheel (16), and the fixed foot (1601) is fixedly connected to the anti-noise detection device (4) by a connecting screw (17).

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