Visual soundproof box for testing noise of acoustoelectric product

Abstract

The utility model relates to the technical field of acoustic testing, in particular to a visual soundproof box for testing noise of acoustoelectric products, which comprises a box body, the box body is formed by combining an outer box and an inner box, and the inner box is fixedly connected to the inner wall of the outer box; an operation door is hinged to the front side of the box body through hinges, a maintenance door is hinged to the rear side of the box body through hinges, compression type door lock mechanisms are connected to the surfaces of the maintenance door and the operation door respectively, and a wire passing mechanism facilitating wire passing is further connected to one side of the box body. By adopting the structure of the double-layer sound insulation glass and the sealing plug sleeve, the sealing performance can be realized and the manual operation effect can be improved by utilizing the perspective principle of the sound insulation glass, a product in the box body can be operated by a hand through the sealing plug sleeve sealing structure on the surface of the door body, and noise entering from the outside can be effectively reduced layer by layer; the double-layer sound insulation glass structure attenuates noise, and the situation that the noise linearly propagates and enters the interior to affect the test is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of acoustic testing, in particular to a visual sound insulation box for noise testing of acoustic and electrical products. Background Art

[0002] Acoustic and electronic products use electronic technology and the principles of applied acoustics to solve the generation, reception, conversion, processing, processing, recording, playback and transmission of audible sounds. Acoustic and electronic products need to be tested for noise during production, and a soundproof box is required during the noise testing process.

[0003] At present, the sound insulation boxes used in the noise testing process of existing acoustic and electrical products are usually composed of a multi-layer shielding structure, most of which are traditionally hollow structures that are not transparent and soundproof. Some existing sound insulation boxes are fully sealed structures, but the fully sealed sound insulation boxes cannot be operated by human hands during subsequent use. Utility Model Content

[0004] The purpose of the utility model is to provide a visual soundproof box for noise testing of acoustic and electrical products, so as to solve the problem that most of the traditional soundproof boxes mentioned in the above background technology are hollow structures, most of them are not transparent and soundproof, and the fully sealed structure cannot be operated by human hands.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a visual soundproof box for noise testing of acoustic and electrical products, comprising a box body, wherein the box body is composed of an outer box and an inner box, and the inner box is fixedly connected to the inner wall of the outer box; an operating door is hinged on the front side of the box body through a hinge, and the operating door is used for placing products; a maintenance door is hinged on the rear side of the box body through a hinge, and the maintenance door facilitates debugging and maintenance work inside the box body; surfaces of the maintenance door and the operating door are respectively connected with compression door locking mechanisms, and the compression door locking mechanisms are used to open and close the operating door and the maintenance door to the box body; one side of the box body is also connected with a wire passing mechanism for facilitating wire passing.

[0006] Preferably, a manual operation position with a sealing plug sleeve is embedded on one side of the surface of the operating door, and the manual operation position is convenient for a person to reach into the interior of the box to operate.

[0007] Preferably, a visual window is embedded on the surface of the operating door and on one side of the manual operating position, and the visual window facilitates clear observation of the test product inside, and the visual window is a soundproof double-layer glass structure.

[0008] Preferably, the operating door and the maintenance door are both composed of a metal outer body and damping felt, the damping felt is fixed on the inner wall of the metal outer body, and the damping felt cooperates with the metal outer body to provide sound insulation for the operating door and the maintenance door.

[0009] Preferably, the compression door lock mechanism includes a lock hook seat, a mounting seat, a handle and a hook body, and the lock hook seat is provided in two groups, and the two groups of lock hook seats are respectively fixedly connected to the surface of the outer box.

[0010] Preferably, two groups of mounting seats are provided, and the two groups of mounting seats are respectively fixedly connected to the surfaces of the operating door and the maintenance door, and handles are hinged between the mounting seats. Hook bodies are also hinged on the surfaces of the mounting seats, and the hook bodies are hingedly transmitted to each other through the connecting block handles, and the hook bodies are hooked with the lock hook seat.

[0011] Preferably, the wire passing mechanism is composed of a wire passing box and a wire passing hole, the wire passing hole is embedded in the interior of the box, and the wire passing box is hingedly connected to the surface of the box and located on one side of the wire passing hole through a hinge.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows: the visual soundproof box for the noise test of acoustic and electrical products adopts a double-layer soundproof glass and a sealing sleeve structure, which can utilize the perspective principle of the soundproof glass to achieve sealing and improve the effect of manual operation. The human hand operates the product inside the box through the sealing sleeve sealing structure on the surface of the door body, and soundproof felt and soundproof cotton are installed inside to absorb and reduce noise. The utility model adopts a three-layer soundproof structure, a metal box, soundproof felt and double-layer soundproof glass, which effectively reduces the noise entering from the outside layer by layer, and the double-layer soundproof glass structure attenuates the noise, reducing the linear propagation of noise into the interior to affect the test. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a three-dimensional front view structural schematic diagram of the utility model;

[0014] Figure 2 It is a three-dimensional rear view structure schematic diagram of the utility model;

[0015] Figure 3 This is a schematic diagram of the explosion amplification structure of the utility model;

[0016] Figure 4 It is an enlarged structural schematic diagram of the compression door lock machine of the utility model.

[0017] In the figure: 1. Box body; 11. Outer box; 12. Inner box; 2. Operating door; 21. Manual operation position; 22. Visual window; 201. Metal outer body; 202. Damping felt; 3. Maintenance door; 4. Compression door lock mechanism; 41. Lock hook seat; 42. Mounting seat; 43. Handle; 44. Hook body; 5. Wire passing mechanism; 51. Wire passing box; 52. Wire passing hole. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, not all of the embodiments. In addition, the terms "first", "second", "third", "upper, lower, left, right", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance. At the same time, in the description of the present invention, unless otherwise clearly specified and limited, the terms "connected" and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium. Based on the embodiments in the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0019] The structure of a visual soundproof box for noise testing of acoustic and electrical products provided by the utility model is as follows Figure 1 as well as Figure 3 As shown, the box body 1 comprises a box body 1, which is composed of an outer box 11 and an inner box 12, and the inner box 12 is fixed to the inner wall of the outer box 11; the front side of the box body 1 is hinged with an operating door 2 through a hinge, and the operating door 2 is used for placing products. A manual operating position 21 with a sealing plug sleeve is inlaid on one side of the surface of the operating door 2, and the manual operating position 21 is convenient for a person to reach into the box body 1 for operation. A visual window 22 is inlaid on the surface of the operating door 2 and on one side of the manual operating position 21. The window 22 is convenient for clearly observing the test product inside. The visual window 22 is a soundproof double-layer glass structure. The operating door 2 and the maintenance door 3 are both composed of a metal outer body 201 and a damping felt 202. The damping felt 202 is fixed on the inner wall of the metal outer body 201, and the damping felt 202 cooperates with the metal outer body 201 to soundproof the operating door 2 and the maintenance door 3; the rear side of the box body 1 is hinged with a maintenance door 3 through a hinge, and the maintenance door 3 facilitates the debugging and maintenance work inside the box body 1.

[0020] The utility model is equipped with a double door body of an operating door 2 and a maintenance door 3. The maintenance door 3 on the rear side of the box body 1 is used for debugging and maintenance inside the equipment. The maintenance door 3 is soundproofed by a two-layer structure of a metal outer body 201 and a damping felt 202. The operating door 2 on the front side of the box body 1 is used for placing products. The operating door 2 is soundproofed by a three-layer structure of a metal outer body 201, a damping felt 202 and soundproof double-layer glass. The manual operating position 21 on the surface of the operating door 2 is convenient for a person to reach into the box body for operation.

[0021] Furthermore, if Figure 2 as well as Figure 4As shown, the surfaces of the maintenance door 3 and the operating door 2 are respectively connected with compression door lock mechanisms 4, which are used to open and close the operating door 2 and the maintenance door 3 with the box body 1. The compression door lock mechanism 4 includes a lock hook seat 41, a mounting seat 42, a handle 43 and a hook body 44. The lock hook seat 41 is provided with two groups, and the two groups of lock hook seats 41 are respectively fixedly connected to the surface of the outer box 11. The mounting seat 42 is provided with two groups, and the two groups of mounting seats 42 are respectively fixedly connected to the operating door 2 and the maintenance door 3 A handle 43 is hingedly connected to the surface of the mounting seat 42, a hook body 44 is also hingedly connected to the surface of the mounting seat 42, and the hook body 44 is hingedly transmitted to each other through the connecting block handle 43, and the hook body 44 is hooked with the lock hook seat 41; one side of the box body 1 is also connected to a wire passing mechanism 5 for convenient wire passing, the wire passing mechanism 5 is composed of a wire passing box 51 and a wire passing hole 52, the wire passing hole 52 is embedded in the inside of the box body 1, and the wire passing box 51 is hinged on the surface of the box body 1 and located on one side of the wire passing hole 52 through a folding hinge.

[0022] The operating door 2 of the utility model is easy to use. The visual window 22 provided on the surface of the operating door 2 is a soundproof double-layer glass, through which the test products inside can be clearly seen. A person enters the box body through the visual window 22 to operate the product. The sealing plug sleeve in the manual operating position 21 can effectively attenuate the leakage caused by the hand, improve the sound insulation effect, and reduce the linear propagation of noise into the interior to affect the test.

[0023] Working principle: When in use, the utility model adopts a double-layer soundproof glass structure to achieve visualization. The box body 1 is composed of an outer box 11 and an inner box 12, and the operating door 2 is a three-layer soundproof structure. The metal outer body 201, 203 and the soundproof double-layer glass can effectively reduce the noise entering from the outside layer by layer.

[0024] The utility model is equipped with a double door body of an operating door 2 and a maintenance door 3. The maintenance door 3 on the rear side of the box body 1 is used for debugging and maintenance inside the equipment. The maintenance door 3 is soundproofed by a two-layer structure of a metal outer body 201 and a damping felt 202. The operating door 2 on the front side of the box body 1 is used for placing products. The operating door 2 is soundproofed by a three-layer structure of a metal outer body 201, a damping felt 202 and soundproof double-layer glass. The manual operating position 21 on the surface of the operating door 2 is convenient for a person to reach into the box body for operation.

[0025] The structure of the operating door 2 is easy to use. The visual window 22 provided on the surface of the operating door 2 is a soundproof double-layer glass, through which the test products inside can be clearly seen. A person enters the box through the visual window 22 to operate the product. The sealing plug sleeve in the manual operating position 21 can effectively attenuate the leakage caused by the hand, improve the sound insulation effect, and reduce the linear propagation of noise into the interior to affect the test.

[0026] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A visual soundproof box for noise testing of acoustic and electrical products, comprising a box body (1), characterized in that: The box (1) is composed of an outer box (11) and an inner box (12), wherein the inner box (12) is fixedly connected to the inner wall of the outer box (11); an operating door (2) is hingedly connected to the front side of the box (1) via a hinge, and the operating door (2) is used for placing products; a maintenance door (3) is hingedly connected to the rear side of the box (1) via a hinge, and the maintenance door (3) facilitates debugging and maintenance work inside the box (1); surfaces of the maintenance door (3) and the operating door (2) are respectively connected to compression door lock mechanisms (4), and the compression door lock mechanisms (4) are used to open and close the operating door (2) and the maintenance door (3) with the box (1); one side of the box (1) is also connected to a wire passing mechanism (5) for facilitating wire passing.

2. The visual soundproof box for noise testing of acoustic and electrical products according to claim 1, characterized in that: A manual operating position (21) with a sealing plug sleeve is inlaid on one side of the surface of the operating door (2), and the manual operating position (21) facilitates a human hand to reach into the box body (1) to perform operation.

3. The visual soundproof box for noise testing of acoustic and electrical products according to claim 2, characterized in that: A visual window (22) is inlaid on the surface of the operating door (2) and located on one side of the manual operating position (21). The visual window (22) facilitates clear observation of the test product inside. The visual window (22) is a soundproof double-layer glass structure.

4. The visual soundproof box for noise testing of acoustic and electrical products according to claim 1, characterized in that: The operating door (2) and the maintenance door (3) are both composed of a metal outer body (201) and a damping felt (202); the damping felt (202) is fixed on the inner wall of the metal outer body (201), and the damping felt (202) cooperates with the metal outer body (201) to provide sound insulation for the operating door (2) and the maintenance door (3).

5. The visual soundproof box for noise testing of acoustic and electrical products according to claim 1, characterized in that: The compression door lock mechanism (4) comprises a lock hook seat (41), a mounting seat (42), a handle (43) and a hook body (44); the lock hook seat (41) is provided in two groups, and the two groups of lock hook seats (41) are respectively fixedly connected to the surface of the outer box (11).

6. The visual soundproof box for noise testing of acoustic and electrical products according to claim 5, characterized in that: The mounting seats (42) are provided in two groups. The two groups of mounting seats (42) are respectively fixedly connected to the surfaces of the operating door (2) and the maintenance door (3). A handle (43) is hingedly connected between the mounting seats (42). A hook body (44) is also hingedly connected to the surface of the mounting seats (42). The hook bodies (44) are mutually hingedly driven through the connecting block handle (43), and the hook bodies (44) are mutually hooked with the lock hook seat (41).

7. The visual soundproof box for noise testing of acoustic and electrical products according to claim 1, characterized in that: The wire passing mechanism (5) is composed of a wire passing box (51) and a wire passing hole (52); the wire passing hole (52) is embedded in the interior of the box body (1); and the wire passing box (51) is hingedly connected to the surface of the box body (1) and located on one side of the wire passing hole (52) via a hinge.

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