CN217985336U

CN217985336U - Microphone audio drive chip

Info

Publication number: CN217985336U
Application number: CN202222036335.1U
Authority: CN
Inventors: 韦伟才; 邓海蛟; 马健莹
Original assignee: Shenzhen Longxinwei Semiconductor Technology Co ltd
Current assignee: Shenzhen Longxinwei Semiconductor Technology Co ltd
Priority date: 2022-08-03
Filing date: 2022-08-03
Publication date: 2022-12-06
Anticipated expiration: 2032-08-03

Abstract

The utility model discloses a microphone audio frequency driver chip, including audio circuit board, driver chip body and frame, the top integrated into one piece of audio circuit board has the groove of agreeing with, and the welding has the electrically conductive needle that the equidistance is matrix structure and distributes on the inside inner wall of agreeing with the groove, integrated into one piece has the equidistance to be the slot that matrix structure distributes on the bottom outer wall of driver chip body, and integrated into one piece has the conducting strip on the inner wall on slot top, and the inside of agreeing with the groove is inserted to the bottom of driver chip body, and electrically conductive needle pegs graft in the inside of slot. The utility model discloses drive chip body bottom inserts the inside that agrees with the groove, and at this moment, the conductive pin inserts the inside of slot and with laminate between the conducting strip mutually for be convenient for more between drive chip body and the audio circuit board install or dismantle, the effectual inconvenient problem of dismantlement maintenance that leads to of adoption copper leg line welding between drive chip body and the audio circuit board among the prior art of having solved.

Description

Microphone audio drive chip

Technical Field

The utility model relates to an audio driver chip technical field, concretely relates to microphone audio driver chip.

Background

A Microphone (Microphone) is a transducer that converts sound into an electronic signal; the audio driving chip on the audio circuit board of the microphone is particularly important, and is the heart of the microphone in normal operation.

For example, the model structure for reducing the noise of the audio driver chip with the authorized notice number of CN205179531U and the authorized notice date of 2016-04-20 comprises: printed circuit board: the audio driving chip is printed on the printed circuit board and comprises a grounding pin; and one end of the resistor is connected with the grounding pin, and the other end of the resistor is connected to the grounding pin of the printed circuit board through a lead.

In the prior art, the audio driver chip of the microphone is connected with the circuit board in a copper pin wire welding mode, and the audio driver chip on the circuit board needs to be subjected to hot melting and re-welding one by one when being disassembled and overhauled, so that the operation is complex. Therefore, it is desirable to design a microphone audio driver chip to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a microphone audio drive chip to solve the above-mentioned weak point among the prior art.

In order to achieve the above object, the present invention provides the following technical solutions:

the utility model provides a microphone audio frequency driver chip, includes audio circuit board, driver chip body and frame, the top integrated into one piece of audio circuit board has the groove of agreeing with, and the welding has the electrically conductive needle that the equidistance is matrix structure and distributes on the inside inner wall of agreeing with the groove, integrated into one piece has the equidistance to be the slot that matrix structure distributes on the bottom outer wall of driver chip body, and integrated into one piece has the conducting strip on the inner wall on slot top, the inside of agreeing with the groove is inserted to the bottom of driver chip body, and electrically conductive needle pegs graft in the inside of slot, laminate mutually between the top of electrically conductive needle and the conducting strip.

Furthermore, the bottom of the inner side wall of the frame is bonded with the graphene radiating fins, and the frame drives the graphene radiating fins to be attached to the top of the driving chip body.

Furthermore, the welding has the radiating fin that is the honeycomb structure and distributes on the inside wall of frame, and laminates mutually between radiating fin's bottom and the graphite alkene fin.

Furthermore, all integrated into one piece has the stabilizer blade around the frame lateral wall, and audio circuit board is close to the equal threaded connection all around of agreeing with groove top outer wall and pegs graft at the inside post of stabilizer blade.

Furthermore, a positioning hole is formed in one side of the supporting leg, a column groove is formed in one side of the column rod, a positioning column is inserted into the column groove, and a limiting disc is welded at one end, located in the column groove, of the positioning column.

Furthermore, a spring is welded on the other side, away from the positioning column, of the limiting disc, and the positioning column is inserted into the positioning hole under the action of the limiting disc and the spring.

In the above technical solution, the utility model provides a microphone audio driver chip; (1) Through the arranged conductive pins, the bottom of the driving chip body is inserted into the interior of the fit groove, and at the moment, the conductive pins are inserted into the interior of the slots and are attached to the conductive sheets, so that the driving chip body and the audio circuit board are more convenient to mount or dismount, and the problem of inconvenience in dismounting and maintenance caused by the fact that copper leg wires are adopted for welding between the driving chip body and the audio circuit board in the prior art is effectively solved; (2) Through the arranged frame, the frame drives the graphene radiating fins to be attached to the outer wall of the top of the driving chip body, and the honeycomb radiating fins attached to the graphene radiating fins are welded inside the frame, so that heat generated by the driving chip body can be transmitted to the honeycomb radiating fins through the graphene radiating fins to be dissipated, and the problem that the audio circuit board is locally overheated due to the fact that the heat generated by the driving chip body cannot be dissipated timely in the prior art is solved effectively; (3) Through the stabilizer blade that sets up, the stabilizer blade cup joints in the outside of post, and the reference column is pegged graft in the inside of locating hole under the effect of spacing dish and spring for be connected can be more firm between stabilizer blade and the post, promoted the frame simultaneously and pressed the stability of holding when drive chip body top, effectually solved among the prior art between drive chip body and the audio circuit board be connected not jail and lead to the condition of short circuit to appear.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to these drawings.

Fig. 1 is a schematic view of a three-dimensional structure provided in an embodiment of the microphone audio driver chip of the present invention.

Fig. 2 is a schematic diagram of a local structure provided in an embodiment of the microphone audio driver chip of the present invention.

Fig. 3 is a schematic view of a supporting leg structure provided in an embodiment of the microphone audio driver chip of the present invention.

Fig. 4 is a schematic diagram of a cross-sectional structure of a post provided in an embodiment of the microphone audio driver chip of the present invention.

Description of reference numerals:

1. an audio circuit board; 2. a driving chip body; 3. a frame; 4. a post rod; 5. fitting the groove; 6. a conductive pin; 7. a slot; 8. a conductive sheet; 9. a heat dissipating fin; 10. a leg; 11. a graphene heat sink; 12. positioning holes; 13. a column groove; 14. a spring; 15. a limiting disc; 16. and a positioning column.

Detailed Description

In order to make those skilled in the art better understand the technical solution of the present invention, the present invention will be further described in detail with reference to the attached drawings.

As shown in fig. 1-4, the utility model provides a pair of microphone audio frequency driver chip, including audio circuit board 1, driver chip body 2 and frame 3, audio circuit board 1's top integrated into one piece has agrees with groove 5, and weld on agreeing with the inside inner wall of groove 5 and be the conductive pin 6 that the matrix structure distributes, integrated into one piece has the equidistance to be the slot 7 that the matrix structure distributes on driver chip body 2's the bottom outer wall, and integrated into one piece has conducting strip 8 on the inner wall on slot 7 top, driver chip body 2's bottom inserts the inside that agrees with groove 5, and conductive pin 6 pegs graft in the inside of slot 7, laminate between conductive pin 6's top and conducting strip 8 mutually, driver chip body 2 bottom inserts the inside that agrees with groove 5, at this moment, conductive pin 6 inserts the inside of slot 7 and laminates mutually between conducting strip 8, make between driver chip body 2 and the audio circuit board 1 be convenient for installation or dismantlement more.

The utility model provides a further embodiment, as shown in fig. 1, fig. 2 and fig. 3, the bottom of frame 3 inside wall bonds there is graphite alkene fin 11, and frame 3 drives the laminating of graphite alkene fin 11 at the top of driver chip body 2, the welding has radiating fin 9 that is cellular structure distribution on frame 3's the inside wall, and laminate mutually between radiating fin 9's bottom and graphite alkene fin 11, laminate mutually between frame 3 drives graphite alkene fin 11 and the top outer wall of driver chip body 2, and frame 3 internal weld has cellular radiating fin 9 with graphite alkene fin 11 laminating mutually, make the heat accessible graphite alkene fin 11 that driver chip body 2 produced transmit for cellular radiating fin 9 and evacuate the heat.

The utility model provides a further embodiment, as shown in fig. 3 and 4, all integrated into one piece all around of frame 3 lateral wall has stabilizer blade 10, and audio circuit board 1 is close to the equal threaded connection all around of agreeing with groove 5 top outer wall and pegs graft at the inside post 4 of stabilizer blade 10, locating hole 12 has been seted up to one side of stabilizer blade 10, and post groove 13 has been seted up to one side of post 4, peg graft in the inside of post groove 13 has reference column 16, and reference column 16 is in the inside one end welding of post groove 13 and has spacing dish 15, the opposite side welding that reference column 16 was kept away from to spacing dish 15 has spring 14, and peg graft under spacing dish 15 and spring 14 the inside at locating hole 12 of reference column 16, when frame 3 pastes with the top outer wall of drive chip body 2, stabilizer blade 10 cup joints the outside at post 4, reference column 16 pegs graft under spacing dish 15 and spring 14's effect in the inside of locating hole 12, make it can be more firm to connect between stabilizer blade 10 and the post 4, the stability of frame 3 when pressing on the top of drive chip body 2 has been promoted simultaneously.

The working principle is as follows: when the audio circuit board 1 and the driving chip body 2 of the microphone are installed, firstly, the bottom of the driving chip body 2 is inserted into the interior of the fitting groove 5, at the moment, the conductive pins 6 are inserted into the interior of the insertion grooves 7 and are attached to the conductive sheets 8, so that the driving chip body 2 and the audio circuit board 1 are more convenient to install or disassemble, then the frame 3 drives the graphene radiating fins 11 to be attached to the outer wall of the top of the driving chip body 2, the honeycomb-shaped radiating fins 9 attached to the graphene radiating fins 11 are welded inside the frame 3, heat generated by the driving chip body 2 can be dissipated to the honeycomb-shaped radiating fins 9 through the transmission of the graphene radiating fins 11, when the frame 3 is attached to the outer wall of the top of the driving chip body 2, the supporting legs 10 are sleeved on the outer portion of the column rod 4, the positioning columns 16 are inserted into the positioning holes 12 under the action of the limiting discs 15 and the springs 14, connection between the supporting legs 10 and the column rod 4 can be more stable, and the stability when the frame 3 is pressed on the top of the driving chip body 2 is improved.

While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.

Claims

1. The utility model provides a microphone audio frequency driver chip, includes audio circuit board (1), driver chip body (2) and frame (3), its characterized in that, the top integrated into one piece of audio circuit board (1) has agrees with groove (5), and welds on the inside inner wall of agreeing with groove (5) and have conductive pin (6) that the equidistance is the matrix structure and distributes, integrated into one piece has slot (7) that the equidistance is the matrix structure and distributes on the bottom outer wall of driver chip body (2), and integrated into one piece has conducting strip (8) on the inner wall on slot (7) top, the inside of agreeing with groove (5) is inserted to the bottom of driver chip body (2), and conductive pin (6) pegs graft in the inside of slot (7), laminate mutually between the top of conductive pin (6) and conducting strip (8).

2. The microphone audio driver chip according to claim 1, wherein the graphene heat sink (11) is bonded to the bottom of the inner sidewall of the frame (3), and the frame (3) drives the graphene heat sink (11) to be attached to the top of the driver chip body (2).

3. The microphone audio driving chip according to claim 2, wherein the inner side wall of the frame (3) is welded with heat dissipation fins (9) distributed in a honeycomb structure, and the bottoms of the heat dissipation fins (9) are attached to the graphene heat dissipation fins (11).

4. The microphone audio driving chip according to claim 1, wherein the outer side wall of the frame (3) is integrally formed with support legs (10) at the periphery, and the audio circuit board (1) is connected with the posts (4) inserted in the support legs (10) at the periphery close to the top outer wall of the fitting groove (5) by screw threads.

5. The microphone audio driving chip according to claim 4, wherein one side of the supporting leg (10) is provided with a positioning hole (12), one side of the post rod (4) is provided with a post groove (13), a positioning post (16) is inserted into the post groove (13), and one end of the positioning post (16) in the post groove (13) is welded with a limiting disc (15).

6. The microphone audio driving chip according to claim 5, wherein a spring (14) is welded to the other side of the limiting disc (15) away from the positioning column (16), and the positioning column (16) is inserted into the positioning hole (12) under the action of the limiting disc (15) and the spring (14).