Microphone sensitivity testing device

Abstract

The utility model belongs to the technical field of microphone production equipment, and particularly relates to a microphone sensitivity testing device which comprises a base and a testing assembly arranged on the base. The testing assembly comprises a limiting plate adjustably arranged on the base, a testing mechanism and a discharging mechanism, wherein the testing mechanism and the discharging mechanism are symmetrically installed on the two sides of the limiting plate. The testing mechanism comprises a testing terminal installed on the side of the limiting plate, a protection pad arranged at the end of the testing terminal and a testing machine connected to the testing terminal. According to the utility model, through the test assembly, the electric telescopic rod can be utilized to drive the push block to move in the connecting cylinder, then the microphone passing through the limiting plate is pushed to the test terminal, the microphone is tested by the test machine after being connected with the test terminal, and the suction cup is controlled by the air pump to adsorb the microphone after the test is unqualified. And then the microphones are dragged to the second base plate and discharged along the discharging plate, automatic screening of defective products is achieved, and practicability is high.

Description

TECHNICAL FIELD

[0001] The utility model relates to a microphone production equipment technical field, concretely is a kind of microphone sensitivity testing device. BACKGROUND

[0002] Microphone, also known as microphone, microphone, microphone, microphone, etc. It is a kind of sound-electricity converter, that is, transducer or sensor. Its function is to convert sound signal into electric signal, which is opposite to the function of loudspeaker. Microphone is the input end of sound equipment, and loudspeaker is the output end. Common microphone types include moving coil, condenser, electret and silicon micro microphone. Microphone is widely used in our life, for example, in mobile phone, computer, recording equipment and various electronic products, they are responsible for capturing sound, and converting it into electric signal that electronic device can handle.

[0003] According to patent number application number 202322309344.8, a kind of microphone sensitivity testing device is disclosed, including test frame, front panel, display screen, power switch and adjusting knob, the top of the test frame is installed with multiple groups of support rods, the top of each group of support rods is fixed with placement plate, the both sides of the placement plate are movably provided with plug rod……

[0004] The prior art has the following problems:

[0005] The existing microphone sensitivity testing device needs to be placed manually to the test station for fixation, but such operation is more cumbersome, and the test efficiency is low, and after testing, the microphone also needs to be manually classified, time-consuming and laborious, therefore we propose a kind of microphone sensitivity testing device. Utility model content

[0006] The utility model aims at solving one of the technical problems existing in prior art or related art.

[0007] Therefore, the technical scheme adopted by the utility model is:

[0008] A kind of microphone sensitivity testing device, comprising: base and test component being set on the base;The test component includes adjustablely set on the base limiting plate and the test mechanism and discharge mechanism being symmetrically installed on the both sides of the limiting plate;The test mechanism includes test terminal installed on the side of the limiting plate, protective pad being arranged at the end of the test terminal and test machine being connected to the test terminal;The discharge mechanism includes connecting barrel installed on the side of the limiting plate, push block being arranged in the connecting barrel, electric telescopic rod being connected to the push block and installed on the base, suction cup being embedded in the push block and pipeline being connected to the suction cup of air pump.

[0009] The utility model discloses in a preferable example can be further configured as: fixed on the base below the gasket no. 1 of the limiting plate, the end of limiting plate is equipped with the sliding slot.

[0010] The utility model discloses in a preferable example can be further configured as: the lateral surface of limiting plate is connected with the adjusting screw, and the fixed plate fixed on the base is threadedly connected on the adjusting screw.

[0011] The utility model discloses in a preferable example can be further configured as: fixed on the base below the gasket no. 2 of electric telescopic link, and the lateral surface of gasket no. 2 is connected with the discharge plate.

[0012] The utility model discloses in a preferable example can be further configured as: the push block is embedded with electromagnet, and the controller is electrically connected on the electromagnet.

[0013] The utility model discloses in a preferable example can be further configured as: the protective pad adopts silica gel gasket.

[0014] The above technical scheme of the utility model has the following beneficial technical effects:

[0015] 1. The utility model discloses a test assembly, which can drive the push block to move in the connecting barrel by the electric telescopic link, and then push the microphone between the limiting plates to the test terminal, test the microphone connected with the test terminal by the testing machine, and use the air pump to control the suction cup to adsorb the microphone when the test is unqualified, and then drag the microphone to the gasket no. 2, so as to be discharged along the discharge plate, realize the automatic screening of defective products, and have high practicality.

[0016] 2. The utility model discloses a test assembly, which can use the electromagnet to cooperate with the controller to magnetically attract and fix the microphone of the metal shell that cannot be adsorbed, and further improve the practicality of the device. DRAWINGS

[0017] Fig. 1 It is the micrphone sensitivity test device sectional view of the utility model;

[0018] Fig. 2 It is the micrphone sensitivity test device A place enlarged view of the utility model.

[0019] REFERENCE NUMERALS:

[0020] 100, base;

[0021] 200, test assembly; 210, limiting plate; 211, pad plate one; 212, sliding groove; 213, adjusting screw; 214, fixed plate; 220, test terminal; 230, protective pad; 240, testing machine; 250, connecting barrel; 260, push block; 261, electromagnet; 262, controller; 270, electric telescopic rod; 271, pad plate two; 272, discharging plate; 280, suction cup; 290, air pump. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical scheme and advantages of the utility model more clear and apparent, the utility model is further described in detail below in combination with specific embodiments and with reference to the drawings. It should be noted that the embodiments of the utility model and the features in the embodiments can be combined with each other without conflict.

[0023] It is understood that the description is only exemplary and is not intended to limit the scope of the utility model.

[0024] Some embodiments of the utility model provide a microphone sensitivity test device, which is described below in combination with the drawings.

[0025] In combination with Figs. 1-2 As shown in the drawings, the utility model provides a microphone sensitivity test device, which comprises a base 100 and a test assembly 200 arranged on the base 100.

[0026] The test assembly 200 comprises a limiting plate 210 adjustably arranged on the base 100 and a test mechanism and a discharging mechanism symmetrically installed on both sides of the limiting plate 210. The test mechanism comprises a test terminal 220 installed on the side of the limiting plate 210, a protective pad 230 arranged at the end of the test terminal 220 and a testing machine 240 connected to the test terminal 220. The discharging mechanism comprises a connecting barrel 250 installed on the side of the limiting plate 210, a push block 260 arranged in the connecting barrel 250, an electric telescopic rod 270 connected to the push block 260 and installed on the base 100, a suction cup 280 embedded in the push block 260 and an air pump 290 connected to the suction cup 280. Through the test assembly 200, the push block 260 can be driven to move in the connecting barrel 250 by the electric telescopic rod 270, so as to push the microphone between the limiting plate 210 to the test terminal 220. After the microphone is connected to the test terminal 220, the testing machine 240 is used for testing. After the test fails, the suction cup 280 is controlled by the air pump 290 to adsorb the microphone, so as to drag the microphone to the pad plate two 271, and then the microphone is discharged along the discharging plate 272, so as to realize the automatic screening of defective products, and the utility model has high practicability.

[0027] Specific, the base 100 is fixed with the gasket one 211 below the limiting plate 210, the end of the limiting plate 210 is provided with the sliding groove 212, the gasket one 211 adopts rubber gasket, can reduce the generation of microphone static electricity, and the sliding groove 212 is inclined downwardly provided with the guide groove, can be directly slid after the microphone is tested.

[0028] Further, the side of the limiting plate 210 is connected with the adjusting screw 213, the adjusting screw 213 is threadedly connected with the fixed plate 214 fixed on the base 100, the spacing between the limiting plates 210 can be adjusted by rotating the adjusting screw 213, and then different sizes of microphones can be adapted, which is high in practicability.

[0029] It should be noted that the base 100 is fixed with the gasket two 271 on the side of the electric telescopic rod 270, and the gasket two 271 is connected with the discharge plate 272, and the discharge plate 272 is also inclined, so that the microphone falling on the gasket two 271 can be directly slid along the discharge plate 272, facilitating collection.

[0030] Further, the push block 260 is embedded with the electromagnet 261, and the electromagnet 261 is electrically connected with the controller 262, so that the microphone with a metal shell and other microphones that cannot be fixed by adsorption can be magnetically fixed by the electromagnet 261 cooperating with the controller 262, further improving the practicability of the device.

[0031] Further, the gasket 230 adopts a silica gel gasket, and only the live part of the test terminal 220 can be leaked by using the gasket 230, which is a reasonable design.

[0032] The working principle and use process of the utility model are as follows: first, the microphone is continuously conveyed between the limiting plates 210, so that the microphone moves along the limiting plates 210, when the microphone moves to the side of the push block 260, the push block 260 is driven to move in the connecting barrel 250 by the electric telescopic rod 270, and then the microphone passing between the limiting plates 210 is pushed to the test terminal 220, the microphone is connected to the test terminal 220, and then the test machine 240 is used for testing, if the test is qualified, the push block 260 is reset, if the test is unqualified, the suction cup 280 is used for adsorbing the microphone by the air pump 290, and then the push block 260 is controlled to retract by the electric telescopic rod 270, and then the microphone is dragged to the gasket two 271, so as to be discharged along the discharge plate 272.

[0033] Although the embodiments of the utility model have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and purposes of the utility model, and the scope of the utility model is defined by the claims and their equivalents.

Claims

1. A microphone sensitivity test apparatus characterized by comprising: The utility model relates to a test device for semiconductor wafer, including: Base (100) and set up on the base (100) test assembly (200); The test assembly (200) includes adjustablely set up on the base (100) limiting board (210) and the test mechanism and the material discharge mechanism symmetrically installed in the limiting board (210) both sides; The test mechanism includes the test terminal (220) installed in the limiting board (210) side, the protective pad (230) set up in the test terminal (220) end and the test machine (240) connected on the test terminal (220); The material discharge mechanism includes the connecting cylinder (250) installed in the limiting board (210) side, the push block (260) set up in the connecting cylinder (250), the electric telescopic handle (270) connected in the push block (260) and installed on the base (100), the sucking disc (280) embedded in the push block (260) and the air pump (290) of pipeline connection in the sucking disc (280).

2. A microphone sensitivity test apparatus according to claim 1, wherein The base (100) is fixed with the pad one (211) located under the limiting board (210), and the end of the limiting board (210) is provided with a sliding groove (212).

3. A microphone sensitivity test apparatus according to claim 1, wherein The side of the limiting board (210) is connected with an adjusting screw (213), and the adjusting screw (213) is threadedly connected with a fixed plate (214) fixed on the base (100).

4. A microphone sensitivity test apparatus according to claim 1, wherein The base (100) is fixed with the pad two (271) located on the side of the electric telescopic handle (270), and the side of the pad two (271) is connected with a material discharge plate (272).

5. The microphone sensitivity test apparatus of claim 1, wherein The push block (260) is embedded with an electromagnet (261), and the electromagnet (261) is electrically connected with a controller (262).

6. A microphone sensitivity test apparatus according to claim 1, wherein The protective pad (230) adopts a silica gel gasket.

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