CN218603649U

CN218603649U - Miniature electret microphone amplifier encapsulation test equipment

Info

Publication number: CN218603649U
Application number: CN202222330869.5U
Authority: CN
Inventors: 金丽华; 汪耕宏; 李恩峰
Original assignee: Liaoyang Microelectronics Co ltd
Current assignee: Liaoyang Microelectronics Co ltd
Priority date: 2022-09-02
Filing date: 2022-09-02
Publication date: 2023-03-10
Anticipated expiration: 2032-09-02

Abstract

A miniature electret microphone amplifier packaging test device comprises a box body, an L-shaped fixing plate and a cleaning module, wherein the left side inside the box body is rotatably connected with a first synchronizing wheel, the right side inside the box body is rotatably connected with a second synchronizing wheel, a servo motor is arranged on the right side of the rear end of the box body, the front end of the servo motor is connected with the second synchronizing wheel through a motor shaft, the second synchronizing wheel is connected with the first synchronizing wheel through a synchronous belt, the L-shaped fixing plate is arranged on the rear side of the upper end of the box body, the left part and the right part of the L-shaped fixing plate are both slidably connected with a T-shaped pull rod, and the lower ends of the T-shaped pull rods are commonly connected with a pressing plate; this device has realized that the even uniform velocity pay-off of product and the reciprocal of IC detector move down to detect and cooperate, has greatly promoted detection efficiency, and the IC detector moves down at every turn simultaneously and all moves down the drum gas through piston rod pulling piston, sends to the gas blowing head through the air-feed pipe and carries out to blow off to the product, clearance product surface pollutant improves the degree of accuracy that detects, and the structure transmission is ingenious, has reduced operation and manufacturing cost, and the practicality is better.

Description

Miniature electret microphone amplifier encapsulation test equipment

Technical Field

The utility model relates to a IC encapsulation check out test set technical field especially relates to a miniature electret microphone amplifier encapsulation test equipment.

Background

The electret microphone amplifier has the characteristics of small volume, simple structure, good electroacoustic performance and low price, and is widely applied to circuits such as a cassette recorder, a wireless microphone, a voice control circuit and the like. Belonging to the most commonly used condenser microphones. The method is widely applied to electronic products such as communication equipment, household appliances and the like, but the bridging and open-circuit faults are easy to occur after the processing, production and packaging, and the detection is needed.

The prior art discloses 201520996302.9 patent document, and provides an amplifier test tool, which comprises a left test board, a middle test board and a right test board, wherein pan head screws are respectively used on the left test board and the right test board to fix an input microstrip board and an output microstrip board on the test boards, and N-type connectors serving as a test signal input port and a test signal output port are respectively installed on the side surfaces of the left test board and the right test board; the amplifier module to be tested is fixed on the test bench by using pan head screws on the middle test bench; the left test board, the right test board and the middle test board are rotatably connected by elastic hinges; when the elastic hinge is in a non-rotating state, the bonding pad of the input microstrip plate, the bonding pad of the amplifier module and the bonding pad of the output microstrip plate are sequentially adjacent, and the adjacent bonding pads are fixed through tin soldering; after the amplifier module is tested, the test bench is rotated while the tin solder is softened, and then the adjacent test benches can be separated. The utility model discloses rational in infrastructure, practicality are strong, can effectively guarantee that the amplifier module is quick, convenient, effectual debugging.

However, in the prior art 201520996302.9, the existing detection equipment needs one-by-one feeding and discharging sampling detection, the detection efficiency is low, the equipment operation is complex, the manufacturing and detection costs are high, and meanwhile, when pollutants exist on the surface of an electret microphone amplifier product, the detection result is greatly influenced, and the detection error is large. In order to solve the above problems, the present application provides a miniature electret microphone amplifier package testing device.

SUMMERY OF THE UTILITY MODEL

Objects of the invention

For solving the technical problem who exists among the background art, the utility model provides a miniature electret microphone amplifier encapsulation test equipment, this device has realized that the at the uniform velocity pay-off of product and the reciprocal of IC detector move down to detect and cooperate, has greatly promoted detection efficiency, has cleared up product surface pollutant, improves the degree of accuracy that detects, and the structure transmission is ingenious, has reduced operation and manufacturing cost, and the practicality is better.

(II) technical scheme

In order to solve the problem, the utility model provides a miniature electret microphone amplifier encapsulation test equipment, comprises a box bod, L shape fixed plate and clearance module, the inside left side of box body is rotated and is connected with synchronizing wheel one, the inside right side of box body is rotated and is connected with synchronizing wheel two, box body rear end right side is provided with servo motor, the servo motor front end passes through motor shaft and connects synchronizing wheel two, synchronizing wheel two pass through the hold-in range and connect synchronizing wheel one, box body upper end rear side is provided with L shape fixed plate, L shape fixed plate left part and the equal sliding connection in right part have T shape pull rod, T shape pull rod lower extreme is connected with the clamp plate jointly, T shape pull rod middle part is connected with the diaphragm jointly, the embedded IC detector that is provided with in diaphragm middle part, IC detector lower extreme is provided with the probe, the embedded head of blowing that is provided with in diaphragm right part, L shape fixed plate middle part is provided with clearance module.

Preferably, the lower end in the box body is connected with a material receiving plate in a sliding mode, and the front end of the material receiving plate penetrates through the box body and is connected with a handle.

Preferably, the outer surface of the synchronous belt is provided with a plurality of arrangement clamping grooves which are linearly arranged at equal intervals on the outer surface of the synchronous belt.

Preferably, the middle part of the box body is rotatably connected with a third synchronizing wheel, and the front end of the third synchronizing wheel is connected with an eccentric wheel.

Preferably, T shape pull rod upper portion just is located L shape fixed plate upside department and all is equipped with reset spring, and T shape pull rod upper portion just is located L shape fixed plate downside department and all is equipped with the spacing ring.

Preferably, the cleaning module comprises an air cylinder, a piston rod, a one-way valve and an air supply pipe, the air cylinder is arranged on the upper side of the middle part of the L-shaped fixing plate, the piston is connected to the inside of the air cylinder in a sliding manner, the piston rod is arranged at the center of the lower end of the piston, the lower end of the piston rod penetrates through the air cylinder to be connected with the IC detector, the one-way valve is arranged on the right side of the lower end of the air cylinder, the air supply pipe is connected to the lower side of the right part of the air cylinder, and the other end of the air supply pipe is connected with the blowing head.

The above technical scheme of the utility model has following profitable technological effect: during operation, servo motor drives the second rotation of synchronizing wheel, thereby drive the third rotation of synchronous belt and synchronizing wheel, put into arrangement draw-in groove with electret microphone amplifier, can realize at the uniform velocity pay-off, the third drive eccentric wheel of synchronous wheel is rotatory this moment, thereby drive clamp plate and T shape pull rod move down, T shape pull rod drives diaphragm and IC detector and moves down, detect through the encapsulation circuit of probe detection product, the eccentric wheel moves over the clamp plate, reset spring drives IC detector and shifts up to reset, realized from this that the at the uniform velocity pay-off of product and the reciprocal detection cooperation that moves down of IC detector move down of product, detection efficiency has greatly been promoted, IC detector moves down all through piston rod pulling piston and moves down the drum gas at every turn simultaneously, send to blowing head through the air supply pipe and blow off to the product, clear up product surface pollutant, improve the degree of accuracy that detects, the structure transmission is ingenious, operation and manufacturing cost are reduced, and the practicality is better.

Drawings

Fig. 1 is the utility model provides a miniature electret microphone amplifier encapsulation test equipment's schematic structure diagram.

Fig. 2 is an enlarged view of a in the testing apparatus for testing the package of the electret microphone micro-amplifier of the present invention.

Fig. 3 is an enlarged view of B in the testing apparatus for testing the package of the electret microphone micro-amplifier of the present invention.

Reference numerals: 1. a box body; 2. a material receiving disc; 3. a handle; 4. a first synchronizing wheel; 5. a second synchronizing wheel; 6. a servo motor; 7. a synchronous belt; 8. arranging a clamping groove; 9. a third synchronizing wheel; 10. an eccentric wheel; 11. an L-shaped fixing plate; 12. a T-shaped pull rod; 13. a return spring; 14. pressing a plate; 15. a transverse plate; 16. an IC detector; 17. a probe; 18. a blowing head; 19. an air cylinder; 20. a piston; 21. a piston rod; 22. a one-way valve; 23. an air supply pipe.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

As shown in fig. 1-3, the utility model provides a miniature electret microphone amplifier encapsulation test equipment, including box body 1, L-shaped fixed plate 11 and clearance module, the low side sliding connection has the receiving tray 2 in the box body 1, the receiving tray 2 front end runs through the box body 1 and is connected with handle 3, the left side rotation in the box body 1 is connected with synchronizing wheel one 4, the right side rotation in the box body 1 is connected with synchronizing wheel two 5, the right side of the box body 1 rear end is provided with servo motor 6, servo motor 6 front end passes through motor shaft connection synchronizing wheel two 5, synchronizing wheel two 5 passes through synchronizing belt 7 and connects synchronizing wheel one 4, the surface of synchronizing belt 7 is provided with a plurality of arrangement draw-in grooves 8, arrangement draw-in groove 8 is the linear equidistant range in the surface of synchronizing belt 7;

the middle part of the box body 1 is rotatably connected with a third synchronizing wheel 9, the front end of the third synchronizing wheel 9 is connected with an eccentric wheel 10, the rear side of the upper end of the box body 1 is provided with an L-shaped fixing plate 11, the left part and the right part of the L-shaped fixing plate 11 are both connected with a T-shaped pull rod 12 in a sliding manner, the lower end of the T-shaped pull rod 12 is commonly connected with a pressing plate 14, the upper part of the T-shaped pull rod 12 and the upper side of the L-shaped fixing plate 11 are both sleeved with a reset spring 13, the upper part of the T-shaped pull rod 12 and the lower side of the L-shaped fixing plate 11 are both sleeved with a limit ring, the middle part of the T-shaped pull rod 12 is commonly connected with a transverse plate 15, the middle part of the transverse plate 15 is embedded with an IC detector 16, the lower end of the IC detector 16 is provided with a probe 17, and the right part of the transverse plate 15 is embedded with an air blowing head 18;

the middle of the L-shaped fixing plate 11 is provided with a cleaning module, the cleaning module comprises an air cylinder 19, a piston 20, a piston rod 21, a one-way valve 22 and an air supply pipe 23, the air cylinder 19 is arranged on the upper side of the middle of the L-shaped fixing plate 11, the piston 20 is connected inside the air cylinder 19 in a sliding mode, the piston rod 21 is arranged in the center of the lower end of the piston 20, the lower end of the piston rod 21 penetrates through the air cylinder 19 to be connected with the IC detector 16, the right side of the lower end of the air cylinder 19 is provided with the one-way valve 22, the air supply pipe 23 is connected to the lower side of the right portion of the air cylinder 19, and the other end of the air supply pipe 23 is connected with the air blowing head 18.

The utility model discloses a theory of operation does: during operation, the servo motor 6 drives the second synchronizing wheel 5 to rotate, so as to drive the synchronous belt 7 and the third synchronizing wheel 9 to rotate, the electret microphone amplifier is placed in the placement clamping groove 8, uniform feeding can be achieved, at the moment, the third synchronizing wheel 9 drives the eccentric wheel 10 to rotate, so as to drive the pressing plate 14 and the T-shaped pull rod 12 to move downwards, the T-shaped pull rod 12 drives the transverse plate 15 and the IC detector 16 to move downwards, packaging circuit detection of products is detected through the probe 17, synchronous detection is achieved, detection efficiency is high, the eccentric wheel 10 moves over the pressing plate 14, the reset spring 13 drives the IC detector 16 to move upwards and reset, therefore feeding of the products and reciprocating downward detection of the IC detector 16 are achieved, detection efficiency is greatly improved, meanwhile, the IC detector 16 moves downwards through the piston rod 21 to pull the piston 20 at each time, blowing air is sent to the blowing head 18 through the air supply pipe 23 to blow the products in advance, pollutants on the surface of the products are cleaned, detection accuracy is improved, structural transmission is ingenious, operation and manufacturing cost is reduced, and practicability is good, and the charging tray 2 can be conveniently received through the handle 3.

It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.

Claims

1. The utility model provides a miniature electret microphone amplifier encapsulation test equipment, comprises a box bod (1), L shape fixed plate (11) and clearance module, a serial communication port, the inside left side of box body (1) is rotated and is connected with synchronizing wheel one (4), the inside right side of box body (1) is rotated and is connected with synchronizing wheel two (5), box body (1) rear end right side is provided with servo motor (6), servo motor (6) front end passes through motor shaft and connects synchronizing wheel two (5), synchronizing wheel two (5) are connected with synchronizing wheel one (4) through hold-in range (7), box body (1) upper end rear side is provided with L shape fixed plate (11), L shape fixed plate (11) left part and right part equal sliding connection have T shape pull rod (12), T shape pull rod (12) lower extreme is connected with clamp plate (14) jointly, T shape pull rod (12) middle part is connected with diaphragm (15) jointly, diaphragm (15) middle part is embedded is provided with IC detector (16), IC detector (16) lower extreme is provided with probe (17), diaphragm (15) right part is provided with embedded head (18), L shape fixed plate (11) middle part is provided with clearance module.

2. The miniature electret microphone amplifier package testing device according to claim 1, wherein the lower end of the interior of the case (1) is slidably connected with a material receiving disc (2), and the front end of the material receiving disc (2) penetrates through the case (1) to be connected with a handle (3).

3. The miniature electret microphone amplifier package testing device of claim 1, wherein the outer surface of the timing belt (7) is provided with a plurality of mounting slots (8), and the mounting slots (8) are linearly arranged at equal intervals on the outer surface of the timing belt (7).

4. The miniature electret microphone amplifier package testing device according to claim 1, wherein a third synchronizing wheel (9) is rotatably connected to the middle of the case (1), and an eccentric wheel (10) is connected to the front end of the third synchronizing wheel (9).

5. The miniature electret microphone amplifier package testing device of claim 1, wherein the upper portion of the T-shaped pull rod (12) and the upper side of the L-shaped fixing plate (11) are sleeved with a return spring (13), and the upper portion of the T-shaped pull rod (12) and the lower side of the L-shaped fixing plate (11) are sleeved with a limit ring.

6. The miniature electret microphone amplifier package testing device according to claim 1, wherein the cleaning module comprises an air cylinder (19), a piston (20), a piston rod (21), a one-way valve (22) and an air supply pipe (23), the air cylinder (19) is arranged on the upper side of the middle part of the L-shaped fixing plate (11), the piston (20) is connected in the air cylinder (19) in a sliding manner, the piston rod (21) is arranged in the center of the lower end of the piston (20), the lower end of the piston rod (21) penetrates through the air cylinder (19) to be connected with the IC detector (16), the one-way valve (22) is arranged on the right side of the lower end of the air cylinder (19), the air supply pipe (23) is connected on the lower side of the right part of the air cylinder (19), and the other end of the air supply pipe (23) is connected with the blowing head (18).