CN211128172U

CN211128172U - Speaker monomer structure

Info

Publication number: CN211128172U
Application number: CN201921958275.0U
Authority: CN
Inventors: 邓世琳; 胡小峰
Original assignee: Shenzhen Wentai Electroacoustic Co ltd
Current assignee: Shenzhen Wentai Electroacoustic Co ltd
Priority date: 2019-11-13
Filing date: 2019-11-13
Publication date: 2020-07-28
Anticipated expiration: 2029-11-13

Abstract

The utility model provides a loudspeaker monomer structure, including vibrating diaphragm, basin frame, magnificent department, magnet and the U iron that sets gradually, vibrating diaphragm, basin frame, magnificent department, magnet and U iron set up on same axis, the vibrating diaphragm is equipped with the coil with the center department on the relative one end surface of basin frame, is equipped with positive negative pole lead wire on the coil, positive negative pole lead wire is followed the edge of magnificent department and magnet, the one end surface setting of coil is kept away from to magnet and is drawn forth back along U iron from U iron center through-hole and is extended to the PCBA board on, at last and the positive negative pole solder joint electricity on the PCBA board is connected. Compared with the prior art, the vibrating diaphragm has the advantages that the situation that the vibrating diaphragm is not consistent in vibration frequency due to the fact that the positive and negative lead wires are led out from the edge of the vibrating diaphragm and directly attached to the vibrating diaphragm to enable the peripheral weight of the vibrating diaphragm to be unbalanced is avoided. The problem of influence tone quality effect promotes the free sound effect of loudspeaker by a wide margin.

Description

Speaker monomer structure

Technical Field

The utility model relates to an earphone speaker, in particular to loudspeaker monomer structure.

Background

At present, a loudspeaker of an earphone includes a Diaphragm (Diaphragm), a coil (Voice coil), a frame (chase rail), a washer (washer Plate), a Magnet (Magnet), and a U-Yoke, wherein the coil is fixed on the Diaphragm in a gluing manner, and positive and negative wires on the coil are led out from the edge of the Diaphragm along the back surface of the Diaphragm and then led to the PCBA board on the back surface of the frame from a notch on the frame to be electrically connected with the PCBA board on the back surface of the frame.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a loudspeaker monomer structure, the technical problem that solve are the tone quality that improves loudspeaker.

In order to solve the above problem, the utility model discloses a following technical scheme solid line: a loudspeaker monomer structure comprises a vibrating diaphragm, a basin frame, a washer, a magnet and U-shaped iron which are sequentially arranged, wherein the vibrating diaphragm, the basin frame, the washer, the magnet and the U-shaped iron are arranged on the same axis, a coil is arranged at the center of one end surface of the vibrating diaphragm, which is opposite to the basin frame, positive and negative leads are arranged on the coil, the basin frame is annular and is provided with a basin frame center through hole, a magnet accommodating cavity is arranged at one end, which is opposite to the basin frame, of the U-shaped iron, a U-shaped iron center through hole is arranged at the center of the bottom of the magnet accommodating cavity, a PCBA plate is arranged on the end surface of the basin frame, which is far away from the vibrating diaphragm, along the edge of the washer and the magnet, and one end surface of the magnet, which is far away from the vibrating diaphragm, is arranged along the U-shaped iron center through hole and is led out from the end surface of the coil, and is electrically connected with positive, and the U-shaped iron is loaded into the through hole at the center of the basin frame from the surface of one end of the basin frame, which is far away from the vibrating diaphragm, and is fixed in the through hole at the center of the basin frame, and the vibrating diaphragm is completely attached and fixed on the basin frame.

Furthermore, the basin stand is provided with a sound adjusting hole, the surface of one end of the basin stand opposite to the vibrating diaphragm is provided with sound tuning paper, and the sound tuning paper covers an orifice at one end of the sound adjusting hole opposite to the vibrating diaphragm.

Furthermore, the frame is provided with a tone adjusting hole which is punched on the surface of the frame through laser.

Furthermore, the peripheral wall of the basin frame is sleeved with a sound absorption device with a honeycomb sound absorption hole.

Further, basin frame and the relative end surface of vibrating diaphragm and the one end surface of keeping away from the vibrating diaphragm are equipped with first recess, second recess respectively, the vibrating diaphragm pastes in first recess, be equipped with PCBA board fixed slot in the second recess, the PCBA board is pasted and is fixed in PCBA board fixed slot.

Compared with the prior art, the utility model, through the basin frame center through-hole edge, the china department of the direct basin frame of laminating of positive negative pole wire on the coil, the edge of magnet and the terminal surface of magnet walk the line then with basin frame back on PCBA board electricity be connected to make vibrating diaphragm and basin frame laminate completely, avoided because of positive negative pole lead wire draw forth from the vibrating diaphragm edge directly pasting the vibrating diaphragm and make the peripheral weight imbalance of vibrating diaphragm, lead to vibrating diaphragm vibration frequency inconsistent. The problem of influence tone quality effect promotes the free sound effect of loudspeaker by a wide margin.

Drawings

Fig. 1 is a front schematic view of the present invention.

Fig. 2 is a cross-sectional view of the present invention.

Fig. 3 is a schematic view of the back of the present invention.

Fig. 4 is a first exploded perspective view of the present invention.

Fig. 5 is a schematic perspective exploded view of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples.

As shown in fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5, the utility model discloses a loudspeaker monomer structure, including vibrating diaphragm 1, basin frame 2, china department 3, magnet 4 and the U iron 5 that sets gradually, vibrating diaphragm 1, basin frame 2, china department 3, magnet 4 and U iron 5 set up on same axis, wherein:

the vibrating diaphragm 1 comprises a front side and a back side, the back side of the vibrating diaphragm 1 is opposite to the basin frame 2, a coil (voice coil) 6 is arranged at the center of the back side of the vibrating diaphragm 1 opposite to the basin frame 2, the coil 6 is fixedly adhered at the center of the back side of the vibrating diaphragm 1, and a positive lead wire and a negative lead wire 61 are arranged on the coil 6;

the frame 2 is annular and comprises a front side and a back side, the frame 2 is provided with a frame center through hole 21, and the back side of the vibrating diaphragm 1 is opposite to the front side of the frame 2 and is fixedly adhered;

the U-shaped iron 5 comprises a front surface and a back surface, the front surface of the U-shaped iron 5 is opposite to the back surface of the basin frame 2, the front surface of the U-shaped iron 5 is provided with a magnet accommodating cavity 51, the center of the bottom of the magnet accommodating cavity 51 (the back surface of the U-shaped iron 5) is provided with a U-shaped iron center through hole 52, the U-shaped iron center through hole 52 is communicated with the magnet accommodating cavity 51, and the back surface of the basin frame 2 is provided with a PCBA plate 7;

the washer 3 and the magnet 4 are sequentially aligned in the center from the vibrating diaphragm 1 to the U-shaped iron 5, and are overlapped, stuck and fixed; specifically, the washer 3 comprises a front surface and a back surface, the magnet 4 comprises a front surface and a back surface, the back surface of the washer 3 is overlapped with and adhered to the front surface of the magnet 4, the front surface of the washer 3 is opposite to the back surface of the vibrating diaphragm 1, and the back surface of the magnet 4 faces the U-shaped iron 5;

positive negative pole lead wire 61 sets up along the edge of magnificent department 3, the edge of magnet 4, the back of magnet 4 and follows the back of U indisputable 5 and extend to PCBA board 7 after leading out from U indisputable central through hole 52 on, be connected with the positive negative pole solder joint electricity on PCBA board 7 at last, magnificent department 3 is connected fixedly with magnet 4 and is pasted after fixed and fix in U indisputable 5's magnet holding chamber 51, and U indisputable 5 is packed into and is pasted and fix in basin frame central through hole 21 from the back of basin frame 2, vibrating diaphragm 1 laminates completely and fixes on basin frame 2, and magnificent department 3 part is arranged in the hole of coil 6.

In the structure, the positive and negative leads 61 extend from one end of the coil 6 opposite to the frame 2 and are adhered to the edge of the washer 3, the edge of the magnet 4, the back of the magnet 4 and the back of the U-shaped iron 5, and the positive and negative leads 61 are adhered and fixed with the edge of the washer 3, the edge of the magnet 4, the back of the magnet 4 and the back of the U-shaped iron 5 through glue.

The utility model discloses in, positive negative pole lead wire 61 can not be taut completely to break positive negative pole lead wire 61 during the vibration of prevention vibrating diaphragm 1, specifically, this part line body of positive negative pole lead wire 61 in the gap between vibrating diaphragm 1 and basin frame 2 leaves buffer segment 62, and this part buffer segment 62 is not straightened completely.

The utility model discloses in, the aperture of basin frame center through-hole 21 equals with the diameter of U iron 5, and the diameter of china department 3, magnet 4 equals and both slightly are less than the diameter in magnet holding chamber 41 to the space of walking of positive negative pole lead wire 61 is vacated.

As shown in fig. 3, as an embodiment of the present invention, a tuning hole 22 is provided on the basin frame 2, the front of the basin frame 2 opposite to the vibrating diaphragm 1 and the back of the basin frame 2 are both provided with tuning paper 9, and the tuning paper 9 covers the tuning hole 22.

The utility model discloses in, when being equipped with on the basin frame 2 and beat out the tuning hole 22 on the surface of basin frame 2 through laser, the tuning paper 9 can remove to save the cost.

The utility model discloses a basin frame center through-hole edge, the china department, the edge of magnet and the terminal surface of magnet of the direct basin frame of laminating of positive negative pole wire on the coil are walked the line and then are connected with the PCBA board on the basin frame back to make vibrating diaphragm and basin frame laminate completely, avoided leading out from the vibrating diaphragm edge because of positive negative pole lead wire and directly pasting the vibrating diaphragm and make the peripheral weight unbalance of vibrating diaphragm, lead to vibrating diaphragm vibration frequency inconsistent, influence the problem of tone quality effect, promote the free sound effect of loudspeaker by a wide margin.

As shown in fig. 1, fig. 2, fig. 3 and fig. 4, the cover has the sound absorbing device 8 that has the honeycomb sound absorbing hole on the periphery wall of basin frame 2, can absorb the produced indiscriminate sound of disorder of vibrating diaphragm to become orderly high, well, bass, further improve the free sound effect of loudspeaker, specifically, sound absorbing device 8 is the annular, and its inner diameter slightly is less than the external diameter of basin frame 2, thereby can tightly overlap sound absorbing device 8 on basin frame 2.

The sound absorbing device 8 is made of a hard material and is manufactured by a 3D printing method.

As shown in fig. 3 and 4, a first groove 23 and a second groove 24 are respectively arranged on the front surface and the back surface of the basin frame 2, the vibrating diaphragm 1 and the tuning paper 9 located between the vibrating diaphragm 1 and the basin frame 2 are adhered in the first groove 23, the tuning paper 9 located on the back surface of the basin frame 2 is arranged in the second groove 24, a PCBA board fixing groove 25 is arranged in the second groove 24, and the PCBA board 7 is adhered and fixed in the PCBA board fixing groove 25.

The utility model also discloses a free assembly method of loudspeaker, including foretell loudspeaker monolithic structure, assembly method includes following step:

step one, arranging a coil 6 and a vibrating diaphragm 1 on the same axis, and fixing the coil 6 on the back of the vibrating diaphragm 1 in a gluing mode to obtain a coil and vibrating diaphragm combination;

secondly, leading out the positive and negative leads 61 of the coil 6 from the back of the frame 2 after passing through the central through hole 21 of the frame;

step three, adhering and fixing the coil and diaphragm combination on the front surface of the basin stand 2;

step four, mutually fixing the washer 3 and the magnet 4 in an adhesive applying mode to form a washer magnet combination body; specifically, the washer 3 and the magnet 4 are sequentially arranged from the vibrating diaphragm 1 to the U-shaped iron 5, that is, the front side of the washer 3 is opposite to the back side of the vibrating diaphragm 1, the back side of the washer 3 is attached to the front side of the magnet 4, and the back side of the magnet 4 is opposite to the U-shaped iron;

step five, attaching the positive and negative leads 61 to the edge of the washer magnet combination body and the back of the magnet 4;

leading out the positive and negative lead wires 61 from the central through hole 52 of the U-shaped iron to the back of the U-shaped iron 5;

step seven, the sizing block magnet combination body is fixedly adhered in the magnet accommodating cavity 51 of the U-shaped iron 5 in an adhesive applying mode, and the U-shaped iron 5 is fixedly adhered in the through hole 21 in the center of the basin stand 2 in an adhesive applying mode to form a whole;

and step eight, extending the positive and negative leads 61 to the PCBA board 7 on the basin frame 2 along the back surface of the U-shaped iron 5 and electrically connecting the positive and negative leads with reserved positive and negative welding spots on the PCBA board 7 to complete assembly.

The utility model discloses in, still include before carrying out step two, set up the accent hole 22 on basin frame 2, all pasted the tuning paper 9 at the front and the back of basin frame 2, or still include before carrying out step two, beat out the accent hole 22 on the surface of basin frame 2 again through the laser on basin frame 2.

The utility model discloses in, step five still includes: and (3) sticking and fixing the wire bodies of the positive and negative electrode leads 61, the edge of the washer magnet combination body and the back surface of the magnet 4 in a dispensing manner.

In the above steps, the utility model discloses still include step nine, establish sound absorbing device 8 that has cellular sound absorbing hole in basin frame 2 overcoat. The sound absorbing device 8 is manufactured by 3D printing.

Through the assembly mode, modular production can be realized, namely, the steps from the first step to the ninth step are divided into a plurality of working procedures so as to meet the requirement of modular production of factories.

The utility model discloses a draw forth the positive negative pole lead wire of coil from traditional edge at the vibrating diaphragm and change into and draw forth to be connected with PCBA board behind the back of basin frame from the center of basin frame, the center of U iron, solved one side unevenness of wherein of vibrating diaphragm and lead to the unbalance of vibrating diaphragm and influence the free tone quality problem of loudspeaker.

Claims

1. The utility model provides a loudspeaker monomer structure, is including vibrating diaphragm (1), basin frame (2), china department (3), magnet (4) and U indisputable (5) that set gradually, vibrating diaphragm (1), basin frame (2), china department (3), magnet (4) and U indisputable (5) set up on same axis, its characterized in that: the utility model discloses a loudspeaker support, including basin frame (2), vibrating diaphragm (1), basin frame (2), magnet holding chamber (51), basin frame (2) are equipped with positive negative pole lead wire (61), the center department on the one end surface that vibrating diaphragm (1) is relative with basin frame (2) is equipped with coil (6), be equipped with positive negative pole lead wire (61) on coil (6), basin frame (2) are the annular, have basin frame center through-hole (21), the one end surface that vibrating diaphragm (1) was kept away from in U iron (5) is equipped with PCBA board (7), positive negative pole lead wire (61) are kept away from the one end surface setting of coil (6) and follow U iron center through-hole (52) and draw back along U iron (5) along the edge of china (3) and magnet (4), magnet (4) and extend to PCBA board (7), at last with the positive negative pole solder joint electricity on PCBA board (7) be connected, the washer (3) is connected with the magnet (4) and fixed and then arranged in a cavity of the U-shaped iron (5), the U-shaped iron (5) is loaded into the basin frame (2) from the surface of one end, far away from the vibrating diaphragm (1), of the basin frame and fixed in the central through hole (21) of the basin frame, and the vibrating diaphragm (1) is completely attached and fixed on the basin frame (2).

2. The horn cell structure of claim 1, wherein: be equipped with tone tuning hole (22) on basin frame (2), basin frame (2) is equipped with tuning paper (9) with vibrating diaphragm (1) relative one end surface, and tuning paper (9) cover one end drill way that tone tuning hole (22) are relative with vibrating diaphragm (1).

3. The horn cell structure of claim 1, wherein: the flowerpot rack (2) is provided with a sound adjusting hole (22) which is formed in the surface of the flowerpot rack (2) through laser.

4. The horn cell structure of any one of claims 1 to 3, wherein: the peripheral wall of the basin frame (2) is sleeved with a sound absorption device (8) with a honeycomb sound absorption hole.

5. The horn cell structure of claim 4, wherein: basin frame (2) are equipped with first recess (23), second recess (24) respectively with the relative one end surface of vibrating diaphragm (1) and the one end surface of keeping away from vibrating diaphragm (1), vibrating diaphragm (1) pastes in first recess (23), be equipped with PCBA board fixed slot (25) in second recess (24), PCBA board (7) are pasted and are fixed in PCBA board fixed slot (25).