Acoustic measurement device for waterproof sound transmission assembly

Abstract

The utility model discloses an acoustic measurement device for a waterproof sound transmission assembly. The acoustic measurement device comprises a base and a supporting platform installed on the top of the base. A pneumatic sliding table is arranged at one end of the top of the supporting platform; the pneumatic sliding table is used in cooperation with the pneumatic hand valve, accurate lifting action of the pressure head is achieved, and replacement and repositioning of the assembly are facilitated; the top of the supporting platform is provided with a waterproof sound-transmitting film assembly installation jig, and the pressing head is located over the waterproof sound-transmitting film assembly installation jig. A loudspeaker is arranged on the top of the base and located on the inner side of the supporting platform. The loudspeaker is located below the supporting platform and used for sending out sound signals. A pneumatic hand valve is arranged on one side of the supporting platform, the pneumatic sliding table is controlled to move up and down through the pneumatic hand valve, the pressing head is made to press the jig with proper force, the sealing effect is ensured, the testing efficiency can be remarkably improved, and the quality and consistency of final products can be ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of acoustic measurement, in particular to an acoustic measurement device for a waterproof and sound-permeable component. Background Art

[0002] In the current smart hardware industry, there are extremely high requirements for the acoustic performance of waterproof and sound-permeable components. However, these components usually need to be installed on the whole machine for testing, which is not only time-consuming and labor-intensive, but also for suppliers who do not have the ability to assemble the whole machine on a large scale. In addition, since waterproof and sound-permeable components are usually fixed by gluing and are not reusable, it is difficult to conduct a large number of acoustic tests on them alone. Therefore, it is particularly important to develop a test fixture that is easy to operate and can independently measure the acoustic performance of waterproof and sound-permeable components. Utility Model Content

[0003] The utility model aims to provide an acoustic measuring device for a waterproof and sound-permeable component to solve the problems in the prior art.

[0004] To achieve the above-mentioned purpose, the technical solution adopted by the utility model is: an acoustic measurement device for a waterproof and sound-permeable component, comprising: a base and a support platform installed on the top of the base;

[0005] A pneumatic slide is provided at one end of the top of the support platform, and a pressure head is connected to one side of the pneumatic slide;

[0006] A waterproof and sound-permeable membrane assembly installation jig is provided on the top of the support platform, and the pressure head is located directly above the waterproof and sound-permeable membrane assembly installation jig;

[0007] A speaker is arranged on the top of the base and inside the supporting platform;

[0008] A pneumatic hand valve is arranged on one side of the supporting platform.

[0009] Preferably, the support platform comprises two vertical plates fixedly mounted on two ends of the top of the base, and support plates are mounted on the tops of the two vertical plates.

[0010] Preferably, a mounting hole is provided at the bottom of the support plate, and the mounting hole is sealed and connected to the sound hole at the top of the speaker.

[0011] Preferably, the waterproof sound-permeable membrane assembly mounting jig is arranged on the top of the support plate, and the position of the waterproof sound-permeable membrane assembly mounting jig corresponds to the position of the mounting hole, and the pneumatic slide controls the pressure head to move in the vertical direction to abut against the top of the waterproof sound-permeable membrane assembly mounting jig.

[0012] Preferably, an audio cable is connected to the top of the pressure head.

[0013] Preferably, the waterproof sound-permeable membrane assembly installation fixture includes a work base and a sound receiving base, the work base is arranged below the sound receiving base, and a waterproof sound-permeable membrane assembly is arranged between the work base and the sound receiving base.

[0014] Preferably, a sound channel is provided inside the work platform base and the sound receiving base, and a microphone chip is provided at one end of the sound channel.

[0015] Preferably, the work platform base and the radio base are both made of brass or stainless steel.

[0016] Preferably, the width of the sound channel is 0.5 mm-1.5 mm.

[0017] Due to the application of the above technical solution, the beneficial effects of the present application compared with the prior art are:

[0018] The present application discloses an acoustic measuring device for waterproof and sound-permeable components. The pressure head controls the movement of the pneumatic slide through a pneumatic hand valve to press the waterproof and sound-permeable component installation fixture with a certain force to ensure the sealing effect. The device can test the acoustic performance of the waterproof and sound-permeable components independently of the whole machine, which can not only significantly improve the test efficiency, but also ensure the quality and consistency of the final product, which is of great significance for promoting the development of related industries. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the specific implementation of the utility model or the technical solution in the prior art, the following will briefly introduce the drawings required for the specific implementation or the prior art description.

[0020] Obviously, the drawings described below are some embodiments of the present utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0021] Figure 1 It is a schematic diagram of the three-dimensional structure of the acoustic measurement device for waterproof and sound-permeable components of the utility model;

[0022] Figure 2 It is a schematic cross-sectional view of the waterproof and sound-permeable membrane installation fixture of the utility model.

[0023] In the figure: 101, base, 102, speaker, 103, vertical plate, 104, support plate, 105, pneumatic slide, 106, audio cable, 107, pressure head;

[0024] 108. Installation jig for waterproof and sound-transmitting membrane assembly, 1081. Work height base, 1082. Waterproof and sound-transmitting membrane assembly, 1083. Radio base, 1084. Microphone chip, 1085. Sound channel.

[0025] 109. Pneumatic hand valve. DETAILED DESCRIPTION

[0026] In order to enable those skilled in the art to better understand the present application, 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, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of this application.

[0027] It should be noted that the terms "first", "second", etc. in the specification and claims of the present application and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequential order. It should be understood that the data used in this way can be interchanged where appropriate, so that the embodiments of the present application described here. In addition, the terms "including" and "having" and any of their variations are intended to cover non-exclusive inclusions, for example, a process, method, system, product or device comprising a series of steps or units is not necessarily limited to those steps or units clearly listed, but may include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.

[0028] In this application, the terms "upper", "lower", "left", "right", "front", "back", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings. These terms are mainly used to better describe the utility model and its embodiments, and are not used to limit the indicated devices, elements or components to have a specific orientation, or to be constructed and operated in a specific orientation.

[0029] In addition, some of the above terms may be used to express other meanings in addition to indicating orientation or positional relationship. For example, the term "on" may also be used to express a certain dependency or connection relationship in some cases. For those skilled in the art, the specific meanings of these terms in this utility model can be understood according to specific circumstances.

[0030] In addition, the terms "installed", "set", "provided with", "connected", "connected", and "socketed" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral structure; it can be a mechanical connection, or an electrical connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be an internal connection between two devices, elements, or components. For those of ordinary skill in the art, the specific meanings of the above terms in this utility model can be understood according to specific circumstances.

[0031] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present application will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0032] Embodiment 1

[0033] Figure 1-Figure 2 The utility model is an acoustic measuring device for waterproof and sound-permeable components, which is suitable for quality control and testing of waterproof and sound-permeable components of electronic products such as mobile phones and headphones, including: a base 101 and a support platform installed on the top of the base 101;

[0034] A pneumatic slide 105 is provided at one end of the top of the support platform, and a pressure head 107 is connected to one side of the pneumatic slide 105; the pneumatic slide 105 is used in conjunction with a pneumatic hand valve 109 to achieve precise lifting and lowering of the pressure head 107, which is convenient for replacement and repositioning of components;

[0035] A waterproof and sound-permeable membrane assembly installation fixture 108 is provided on the top of the support platform, and the pressure head 107 is located directly above the waterproof and sound-permeable membrane assembly installation fixture 108;

[0036] A speaker 102 is disposed on the top of the base 101 and inside the support platform; the speaker 102 is located below the support platform and is used to emit sound signals;

[0037] A pneumatic hand valve 109 is provided on one side of the support platform, and the pneumatic hand valve 109 controls the pneumatic slide 105 to move up and down, so that the pressure head 107 presses the fixture with appropriate force to ensure the sealing effect.

[0038] It should be noted that the base 101 is made of POM and rubber shock-absorbing material, and the shock-absorbing material effectively reduces the impact of external vibration on the test results. The close connection between the supporting platform and the speaker 102 and the pressure adjustment mechanism of the pressure head 107 ensure a good sealing effect and improve the test accuracy. The components to be tested can be quickly replaced through simple operations, which is suitable for batch testing needs. The key components made of high-quality materials ensure the accuracy and consistency of acoustic measurements, which can be used in the random inspection process of mass production, and can quickly and effectively detect the acoustic characteristics of the waterproof and sound-permeable membrane assembly 1082, thereby improving the quality reliability of factory products.

[0039] According to the embodiment of the utility model, the support platform includes two vertical plates 103 fixedly installed at two ends of the top of the base 101 , and support plates 104 are installed on the top of the two vertical plates 103 .

[0040] According to the embodiment of the utility model, a mounting hole is provided at the bottom of the support plate 104 , and the mounting hole is sealed and connected to the sound-emitting hole at the top of the speaker 102 .

[0041] According to an embodiment of the utility model, the waterproof sound-permeable membrane assembly mounting jig 108 is arranged on the top of the support plate 104, and the position of the waterproof sound-permeable membrane assembly mounting jig 108 corresponds to the position of the mounting hole, and the pneumatic slide 105 controls the pressure head 107 to move in the vertical direction to support the top of the waterproof sound-permeable membrane assembly mounting jig 108.

[0042] It should be noted that the pressure setting of the pneumatic hand valve 109 is adjusted to adapt to waterproof and sound-permeable components of different thicknesses and hardnesses, thereby ensuring the consistency of each test. The invention is suitable for acoustic performance testing of waterproof and sound-permeable components of various specifications and has wide applicability.

[0043] According to the embodiment of the present invention, an audio cable 106 is connected to the top of the pressure head 107 .

[0044] According to an embodiment of the utility model, the waterproof sound-permeable membrane assembly installation fixture 108 includes a work base 1081 and a sound receiving base 1083 . The work base 1081 is arranged below the sound receiving base 1083 , and a waterproof sound-permeable membrane assembly 1082 is arranged between the work base 1081 and the sound receiving base 1083 .

[0045] According to the embodiment of the utility model, a sound channel 1085 is disposed inside the work platform base 1081 and the sound receiving base 1083 , and a microphone chip 1084 is disposed at one end of the sound channel 1085 .

[0046] It should be noted that the sound channel 1085 allows the sound emitted by the speaker 102 to pass through the waterproof and sound-permeable component, and the microphone chip 1084 is integrated in the sound receiving base 1083 to receive the sound signal after passing through the waterproof and sound-permeable component.

[0047] According to the embodiment of the utility model, the work platform base 1081 and the sound receiving base 1083 are both made of brass or stainless steel.

[0048] According to the embodiment of the present invention, the width of the sound channel 1085 is 0.5 mm-1.5 mm.

[0049] Optionally, the width of the sound channel 1085 is 0.5mm, 0.6mm, 0.7mm, 0.8mm, 0.9mm, 1mm, 1.1mm, 1.2mm, 1.3mm, 1.4mm, or 1.5mm; the width of the sound channel 1085 in the present application is not limited to the above examples, and the sound channel 1085 can be any width between 0.5-1.5mm. Preferably, the width of the sound channel 1085 is 1mm.

[0050] To sum up, the present application is an acoustic measuring device for waterproof and sound-permeable components, which controls the movement of the pneumatic slide 105 through the pressure head 107 via the pneumatic hand valve 109, and presses the waterproof and sound-permeable component installation fixture with a certain force to ensure the sealing effect. The device can test the acoustic performance of the waterproof and sound-permeable components independently of the whole machine, which can not only significantly improve the test efficiency, but also ensure the quality and consistency of the final product, which is of great significance for promoting the development of related industries.

[0051] Finally, it should be noted that the above are only preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An acoustic measurement device for a waterproof and sound-permeable component, comprising: A base and a support platform installed on the top of the base; characterized in that, A pneumatic slide is provided at one end of the top of the support platform, and a pressure head is connected to one side of the pneumatic slide; A waterproof and sound-permeable membrane assembly installation jig is provided on the top of the support platform, and the pressure head is located directly above the waterproof and sound-permeable membrane assembly installation jig; A speaker is arranged on the top of the base and inside the supporting platform; A pneumatic hand valve is arranged on one side of the supporting platform.

2. An acoustic measurement device for a waterproof and sound-permeable component according to claim 1, characterized in that: The support platform comprises two vertical plates fixedly mounted at two ends of the top of the base, and support plates are mounted on the tops of the two vertical plates.

3. An acoustic measurement device for a waterproof and sound-permeable component according to claim 2, characterized in that: The bottom of the support plate is provided with a mounting hole, and the mounting hole is sealed and connected to the sound-emitting hole at the top of the speaker.

4. An acoustic measurement device for a waterproof and sound-permeable component according to claim 3, characterized in that: The waterproof sound-permeable membrane assembly mounting fixture is arranged on the top of the support plate, and the position of the waterproof sound-permeable membrane assembly mounting fixture corresponds to the position of the mounting hole, and the pneumatic slide controls the pressure head to move in the vertical direction to abut against the top of the waterproof sound-permeable membrane assembly mounting fixture.

5. The acoustic measurement device for a waterproof and sound-permeable component according to claim 1, characterized in that: An audio cable is connected to the top of the pressure head.

6. An acoustic measurement device for a waterproof and sound-permeable component according to claim 1, characterized in that: The waterproof sound-permeable membrane assembly installation fixture includes a work platform base and a sound receiving base. The work platform base is arranged below the sound receiving base, and a waterproof sound-permeable membrane assembly is arranged between the work platform base and the sound receiving base.

7. An acoustic measurement device for a waterproof and sound-permeable component according to claim 6, characterized in that: A sound channel is arranged inside the work platform base and the sound receiving base, and a microphone chip is arranged at one end of the sound channel.

8. An acoustic measurement device for a waterproof and sound-permeable component according to claim 6, characterized in that: The work platform base and the radio base are both made of brass or stainless steel.

9. An acoustic measurement device for a waterproof and sound-permeable component according to claim 7, characterized in that: The width of the sound channel is 0.5mm-1.5mm.

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