Drawer type acoustic detection mute box

Abstract

The invention relates to a drawer type acoustic detection sound attenuated enclosure which comprises a sound attenuated enclosure box body, a telescopic guide rail is installed in the sound attenuated enclosure box body, a support is connected to the telescopic guide rail in a sliding mode, the support is connected with an executing mechanism used for driving the support to slide on the telescopic guide rail, and a test product fixing tool is detachably fixed to the support. The test product fixing tool is used for installing an acoustic test product, a sound insulation baffle is arranged on one side of the support, and an acoustic test product inlet and outlet with the same area as the sound insulation baffle is formed in the silencing box body. According to the design, the principle that the drawer is convenient to open and close and can form a closed accommodating space is utilized, an acoustic test product is fixed on the support of the telescopic guide rail through the test product fixing tool, and the acoustic test product freely enters and exits from the acoustic detection mute box through the action of the execution mechanism. In the using process, operation is convenient, performance is reliable, and tested products can be rapidly, efficiently and accurately switched in place.

Description

Technical Field

[0001] The invention relates to the field of acoustic technology, specifically to the fields of industry, commerce, civil use, and acoustic experimental detection, and in particular to a drawer-type acoustic detection silent box. Background Art

[0002] In the field of acoustic testing, in order to obtain relatively stable and real acoustic indicators, it is generally necessary to create a good acoustic testing environment for the test product.

[0003] Among the existing technologies, the mainstream soundproof boxes currently used in the home field are large in size and have low sound insulation. The test product tooling is generally fixed inside the box, and the test product has to be fixed and taken out of the box, which is very inconvenient to operate, especially for the integration of online acoustic detection systems with a high degree of automation, which has obvious inoperability. Summary of the invention

[0004] In view of the shortcomings of the prior art, the purpose of the present invention is to provide a drawer-type acoustic detection silent box, which is easy to operate and has reliable performance during use, and the test product can be quickly and efficiently switched to the correct position. The present invention has a compact structure, high acoustic sound insulation, and occupies a small space. It is suitable for operating places with high sound insulation requirements and compact space layout. The present invention is easy to install, easy to make, and easy to maintain.

[0005] The above-mentioned object of the present invention is achieved through the following technical solutions:

[0006] A drawer-type acoustic testing silent box comprises a silent box body, a telescopic guide rail is installed in the silent box body, a bracket is slidably connected to the telescopic guide rail, the bracket is connected to an actuator for driving the bracket to slide on the telescopic guide rail, a test product fixing tool is detachably fixed on the bracket, the test product fixing tool is used to install an acoustic test product, a sound insulation baffle is arranged on one side of the bracket, and an acoustic test product inlet and outlet with the same area as the sound insulation baffle is opened on the silent box body.

[0007] As a further technical solution of the present invention: a plurality of layers of sound insulation composite material are arranged in the interlayer of the soundproof box body.

[0008] As a further technical solution of the present invention: the sound insulation baffle is used to block the inlet and outlet of the acoustic test product, and the sound insulation baffle and the soundproof box body form a complete and closed test environment chamber.

[0009] As a further technical solution of the present invention: the actuator is installed in the soundproof box, and the actuator is one of a cylinder, an electric push rod, an electric cylinder, and an electric actuator.

[0010] As a further technical solution of the present invention: sound insulation baffle sealing strips are installed around the inlet and outlet of the acoustic test product, and the sound insulation baffle sealing strips are used to seal the gap between the sound insulation baffle and the soundproof box body.

[0011] As a further technical solution of the present invention: a soundproof inspection door is installed on one side of the soundproof box body, one side of the soundproof inspection door is rotatably connected to the soundproof box body through a hinge, and a clamping handle is installed on the other side, and a clamping handle fixing seat clamped with the clamping handle is installed on the outer wall of the soundproof box body.

[0012] As a further technical solution of the present invention: a sound insulation inspection door sealing strip is installed on the sound insulation box body, and the sound insulation inspection door sealing strip is used for sealing the gap between the sound insulation inspection door and the sound insulation box body.

[0013] As a further technical solution of the present invention: hanging rings are respectively fixed on the four corners of the top surface of the soundproof box body.

[0014] As a further technical solution of the present invention: a data line interface is provided on the side wall of the soundproof box body.

[0015] As a further technical solution of the present invention: the telescopic guide rail is detachably fixed inside the soundproof box body through a guide rail mounting fixing bracket.

[0016] In summary, the present invention includes at least one of the following beneficial technical effects:

[0017] The present invention discloses a drawer-type acoustic testing soundproof box, the design of which utilizes the principle that the drawer is easy to open and close and can form a closed accommodating space. The product to be acoustically tested is fixed on a bracket of a telescopic guide rail through a test product fixing tool, and the acoustic testing product can freely enter and exit the acoustic testing soundproof box through the action of an actuator.

[0018] It is aimed at the acoustic performance test of some small products and spare parts, and aims to provide a stable and efficient test environment for the acoustic performance test of these small products and spare parts. Compared with the traditional mute box, the present invention has a compact structure, light weight, and a wide range of applications; due to the high degree of automation, compared with the traditional mute box, it is easy to operate and has a greatly shortened working cycle; it has a high degree of matching with online acoustic detection; and it can meet the needs of various acoustic product detection. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of the sound insulation baffle and the sound insulation inspection door after being opened.

[0020] Figure 2 It is a schematic diagram of the overall structure of the sound insulation baffle and the sound insulation inspection door of the present invention after being closed.

[0021] Figure 3 It is a schematic diagram of the overall structure of the present invention.

[0022] Figure numerals: 1. Soundproof box body; 2. Telescopic guide rail; 3. Bracket; 4. Test product fixing tool; 5. Sound insulation baffle; 6. Sound insulation baffle sealing strip; 7. Sound insulation inspection door; 8. Hinge; 9. Clamping handle; 10. Clamping handle fixing seat; 11. Sound insulation inspection door sealing strip; 12. Lifting ring; 13. Data cable interface; 14. Guide rail mounting fixing bracket. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application; obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments, and all other embodiments obtained by ordinary technicians in this field based on the embodiments in the present application without making creative work are within the scope of protection of the present application.

[0024] In the description of the present application, it should be noted that the terms "upper", "lower", "inner", "outer", "top / bottom" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as limiting the present application. In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0025] In the description of this application, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "set / connected", "connected", etc. should be understood in a broad sense. For example, "connected" 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 a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0026] Embodiment 1:

[0027] Reference Figure 1 , is a drawer-type acoustic detection silent box disclosed in the present invention, including a silent box body 1, a telescopic guide rail 2 is installed in the silent box body 1, a bracket 3 is slidably connected to the telescopic guide rail 2, the telescopic guide rail 2 is detachably fixed inside the silent box body 1 through a guide rail mounting fixing bracket 14, and the guide rail mounting fixing bracket 14 provides effective support for the connection between the guide rail and the silent box body 1.

[0028] The bracket 3 is connected to an actuator for driving the bracket 3 to slide on the telescopic guide rail 2. A test product fixing tool 4 is detachably fixed on the bracket 3. The test product fixing tool 4 is used to install the acoustic test product. A sound insulation baffle 5 is provided on one side of the bracket 3. An acoustic test product inlet and outlet with the same area as the sound insulation baffle 5 is opened on the soundproof box body 1.

[0029] Reference Figure 1 The test product fixing fixture 4 is connected to the bracket 3 on the telescopic guide rail 2 by bolts. When the product is subjected to an acoustic test, the acoustic test product is fixed on the test product fixing fixture 4. The bracket 3 can be freely extended and retracted on the telescopic guide rail 2 to realize the free entry and exit of the acoustic test product in the test environment chamber in the silent box.

[0030] A multi-layer sound insulation composite material is arranged in the interlayer of the soundproof box body 1, so as to achieve a high acoustic sound insulation under limited wall thickness. On the premise of meeting the requirements of the acoustic detection environment, the space occupied by the soundproof box is greatly saved, and the utilization rate of the workplace is improved. At the same time, because it is small and light, it is more convenient to integrate with surrounding supporting facilities.

[0031] The sound insulation baffle 5 is used to block the inlet and outlet of the acoustic test product, and the sound insulation baffle 5 and the soundproof box body 1 form a complete and closed test environment chamber.

[0032] The actuator is installed in the soundproof box body 1. The actuator serves as a power actuator for the test product to enter and exit the test environment chamber. In this embodiment, the actuator is one of a cylinder, an electric push rod, an electric cylinder, and an electric actuator, preferably a cylinder.

[0033] Sound insulation baffle sealing strips 6 are installed around the inlet and outlet of the acoustic test product, and the sound insulation baffle sealing strips 6 are used to seal the gap between the sound insulation baffle 5 and the soundproof box body 1.

[0034] Reference Figure 1 and Figure 2 A soundproof inspection door 7 is installed on one side of the soundproof box body 1. The soundproof inspection door 7 blocks the inspection port of the soundproof box body 1 and forms a complete and closed test environment chamber with the soundproof box body 1. One side of the soundproof inspection door 7 is rotatably connected to the soundproof box body 1 through a hinge 8. In this embodiment, the hinge 8 is configured as two to realize the free opening and closing of the soundproof inspection door 7.

[0035] Reference Figure 1A soundproof inspection door sealing strip 11 is installed on the soundproof box body 1, and the soundproof inspection door sealing strip 11 is used to seal the gap between the soundproof inspection door 7 and the soundproof box body 1. A clamping handle 9 is installed on the other side of the soundproof inspection door 7, and a clamping handle fixing seat 10 connected with the clamping handle 9 is installed on the outer wall of the soundproof box body 1. The clamping handle 9 has a clamping function, which can make the soundproof inspection door 7 produce a certain pressure on the soundproof inspection door sealing strip 11, so that the gap between the soundproof inspection door 7 and the soundproof box body 1 is better sealed.

[0036] Reference Figure 2 The four corners of the top surface of the soundproof box body 1 are respectively fixed with lifting rings 12, and the arrangement of the lifting rings 12 facilitates the transportation and installation of the present invention. Figure 3 A data line interface 13 is provided on the side wall of the silent box body 1, which facilitates the data connection between the test products and test auxiliary facilities in the test environment chamber of the present invention and the outside world, and at the same time isolates external noise from being transmitted to the test environment chamber along the data interface.

[0037] Drawer-type acoustic detection silent box operation steps:

[0038] 1. The actuator moves to push out the sound insulation baffle 5 and the test product fixing tooling 4 into the test environment chamber of the drawer-type acoustic testing silent box;

[0039] 2. Fix the acoustic test product on the test product fixing tool 4;

[0040] 3. The actuator moves and retracts, and the sound insulation baffle 5 and the test product fixing tooling 4 are retracted into the test environment chamber of the drawer-type acoustic testing silent box. The sound insulation baffle 5, the silent box body 1 and the sound insulation inspection door 7 form a stable sound insulation acoustic test environment chamber;

[0041] 4. Start the acoustic test;

[0042] 5. After the acoustic test is completed, the actuator moves to push the sound insulation baffle 5 and the test product fixing tooling 4 out of the test environment chamber of the drawer-type acoustic testing silent box, and remove the test product.

[0043] 6. Repeat the test for the next product.

[0044] The implementation principle of the present invention is as follows: the present invention discloses a drawer-type acoustic testing soundproof box, whose design utilizes the principle that the drawer is easy to open and close and can form a closed accommodating space. The product to be acoustically tested is fixed on the bracket 3 of the telescopic guide rail 2 through the test product fixing tool 4, and the acoustic test product is freely allowed to enter and exit the acoustic testing soundproof box through the action of the actuator.

[0045] It is aimed at the acoustic performance test of some small products and spare parts, and aims to provide a stable and efficient test environment for the acoustic performance test of these small products and spare parts. Compared with the traditional mute box, the present invention has a compact structure, light weight, and a wide range of applications; due to the high degree of automation, compared with the traditional mute box, it is easy to operate and has a greatly shortened working cycle; it has a high degree of matching with online acoustic detection; and it can meet the needs of various acoustic product detection.

[0046] The embodiments of this specific implementation method are all preferred embodiments of the present invention, and are not intended to limit the protection scope of the present invention. Therefore, any equivalent changes made based on the structure, shape, and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A drawer-type acoustic detection silent box, comprising a silent box body (1), characterized in that: A telescopic guide rail (2) is installed in the soundproof box body (1), a bracket (3) is slidably connected to the telescopic guide rail (2), the bracket (3) is connected to an actuator for driving the bracket (3) to slide on the telescopic guide rail (2), a test product fixing tool (4) is detachably fixed to the bracket (3), and the test product fixing tool (4) is used to install an acoustic test product, a sound insulation baffle (5) is arranged on one side of the bracket (3), and an acoustic test product inlet and outlet having the same area as the sound insulation baffle (5) is opened on the soundproof box body (1).

2. The drawer-type acoustic detection silent box according to claim 1, characterized in that: Multiple layers of sound insulation composite material are arranged in the interlayer of the soundproof box body (1).

3. The drawer-type acoustic detection silent box according to claim 1, characterized in that: The sound insulation baffle (5) is used to block the inlet and outlet of the acoustic test product, and the sound insulation baffle (5) and the soundproof box body (1) form a complete and closed test environment chamber.

4. The drawer-type acoustic detection silent box according to claim 1, characterized in that: The actuator is installed in the soundproof box body (1), and the actuator is one of a cylinder, an electric push rod, an electric cylinder, and an electric actuator.

5. The drawer-type acoustic detection silent box according to claim 1, characterized in that: Sound insulation baffle sealing strips (6) are installed around the inlet and outlet of the acoustic test product, and the sound insulation baffle sealing strips (6) are used to seal the gap between the sound insulation baffle (5) and the soundproof box body (1).

6. The drawer-type acoustic detection silent box according to claim 1, characterized in that: A soundproof inspection door (7) is installed on one side of the soundproof box body (1); one side of the soundproof inspection door (7) is rotatably connected to the soundproof box body (1) via a hinge (8); a clamping handle (9) is installed on the other side; and a clamping handle fixing seat (10) that is clamped with the clamping handle (9) is installed on the outer wall of the soundproof box body (1).

7. The drawer-type acoustic detection silent box according to claim 6, characterized in that: A soundproof inspection door sealing strip (11) is installed on the soundproof box body (1), and the soundproof inspection door sealing strip (11) is used to seal the gap between the soundproof inspection door (7) and the soundproof box body (1).

8. The drawer-type acoustic detection silent box according to claim 1, characterized in that: Hanging rings (12) are respectively fixed at the four corners of the top surface of the soundproof box body (1).

9. The drawer-type acoustic detection silent box according to claim 1, characterized in that: A data line interface (13) is provided on the side wall of the soundproof box body (1).

10. The drawer-type acoustic detection silent box according to claim 1, characterized in that: The telescopic guide rail (2) is detachably fixed inside the soundproof box body (1) via a guide rail mounting fixing bracket (14).

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