CN217283359U - Electroacoustic transducer diaphragm and electroacoustic transducer - Google Patents
Electroacoustic transducer diaphragm and electroacoustic transducer Download PDFInfo
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- CN217283359U CN217283359U CN202220053422.5U CN202220053422U CN217283359U CN 217283359 U CN217283359 U CN 217283359U CN 202220053422 U CN202220053422 U CN 202220053422U CN 217283359 U CN217283359 U CN 217283359U
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- electroacoustic transducer
- heat
- diaphragm
- metal powder
- transducer diaphragm
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Abstract
The utility model discloses an electroacoustic transducer diaphragm and electroacoustic transducer, electroacoustic transducer diaphragm include two at least tunic material layers, have adjacent two-layerly at least the tunic material layer bonds fixedly through the glue film, it has heat conduction metal powder to dope in the glue film. The heat in the central area of the electroacoustic transducer diaphragm can be transferred to the edge position of the electroacoustic transducer diaphragm by adding the heat-conducting metal powder in the adhesive layer, so that a heat dissipation channel is constructed in the electroacoustic transducer diaphragm, the heat in the electroacoustic transducer can be quickly transferred to the basin frame and the outside of the electroacoustic transducer, the good heat dissipation of the electroacoustic transducer is realized, and the performance of the electroacoustic transducer is ensured. In addition, the adhesive layer is doped with the heat-conducting metal powder, so that the internal damping of the electroacoustic transducer diaphragm can be increased, the electroacoustic transducer diaphragm can be quickly stopped when the electroacoustic transducer stops working, noise caused by free vibration is reduced, and the distortion problem of the electroacoustic transducer is solved.
Description
Technical Field
The utility model relates to an electroacoustic transducer technical field especially relates to electroacoustic transducer diaphragm and electroacoustic transducer.
Background
With the space and power of the large-amplitude electroacoustic transducer becoming smaller and larger, the heat energy generated by the electroacoustic transducer also becoming larger and larger, and the heat of the electroacoustic transducer coming from the voice coil, if the electroacoustic transducer cannot dissipate the heat of the voice coil in time during the working process, when the material of the voice coil reaches the bearing limit value, the material of the voice coil is easily damaged, or the resistance value of the voice coil is increased due to the heating of the voice coil, so that the performance of the electroacoustic transducer is reduced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that: provided are an electroacoustic transducer diaphragm with good heat dissipation performance and an electroacoustic transducer having the same.
In order to solve the technical problem, the utility model discloses a technical scheme be: the electroacoustic transducer diaphragm comprises at least two membrane material layers, wherein at least two adjacent membrane material layers are fixedly bonded through a glue layer, and heat-conducting metal powder is doped in the glue layer.
Further, the particle size specification of the heat-conducting metal powder is one or more.
Further, the heat conduction metal powder is uniformly distributed in the glue layer.
Further, the heat conduction metal powder is located on the surface, close to the membrane material layer, of the adhesive layer.
Furthermore, the heat conduction metal powder is uniformly distributed on the surface of the glue layer.
Further, the heat conducting metal powder is aluminum powder or copper powder.
In order to solve the technical problem, the utility model discloses still adopt following technical scheme: electroacoustic transducer, including the basin frame, still include above-mentioned electroacoustic transducer diaphragm, electroacoustic transducer diaphragm connects the basin frame.
Furthermore, the material of basin frame is metal.
The beneficial effects of the utility model reside in that: the heat in the central area of the electroacoustic transducer diaphragm can be transferred to the edge position of the electroacoustic transducer diaphragm by adding the heat-conducting metal powder in the adhesive layer, so that a heat dissipation channel is constructed in the electroacoustic transducer diaphragm, the heat in the electroacoustic transducer can be quickly transferred to the basin frame and the outside of the electroacoustic transducer, the good heat dissipation of the electroacoustic transducer is realized, and the performance of the electroacoustic transducer is ensured. In addition, the adhesive layer is doped with the heat-conducting metal powder, so that the internal damping of the electroacoustic transducer diaphragm can be increased, the electroacoustic transducer diaphragm can be quickly stopped when the electroacoustic transducer stops working, noise caused by free vibration is reduced, and the distortion problem of the electroacoustic transducer is solved.
Drawings
Fig. 1 is a cross-sectional view of an electroacoustic transducer diaphragm according to a first embodiment of the present invention;
fig. 2 is a cross-sectional view of an electroacoustic transducer diaphragm according to a second embodiment of the present invention.
Description of reference numerals:
1. a film layer;
2. a glue layer;
3. a heat conductive metal powder.
Detailed Description
In order to explain the technical content, the objects and the effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.
Referring to fig. 1 and 2, the electroacoustic transducer diaphragm includes at least two film material layers 1, at least two adjacent film material layers 1 are bonded and fixed by an adhesive layer 2, and the adhesive layer 2 is doped with a heat conductive metal powder 3.
The electroacoustic converter comprises a basin frame and further comprises the electroacoustic converter diaphragm, and the electroacoustic converter diaphragm is connected with the basin frame.
From the above description, the beneficial effects of the utility model reside in that: the heat in the central area of the diaphragm of the electroacoustic converter can be transferred to the edge position of the diaphragm of the electroacoustic converter by adding the heat-conducting metal powder 3 in the adhesive layer 2, so that a heat dissipation channel is constructed in the diaphragm of the electroacoustic converter, the heat in the electroacoustic converter can be rapidly transferred to the basin frame and the outside of the electroacoustic converter, the good heat dissipation of the electroacoustic converter is realized, and the performance of the electroacoustic converter is ensured. In addition, the glue layer 2 is doped with the heat-conducting metal powder 3, so that the internal damping of the electroacoustic transducer diaphragm can be increased, when the electroacoustic transducer stops working, the electroacoustic transducer diaphragm can be stopped quickly, noise caused by free vibration is reduced, and the distortion problem of the electroacoustic transducer is improved.
Further, the particle size specification of the heat-conducting metal powder 3 is one or more.
As can be seen from the above description, the particle size of the heat conductive metal powder 3 is not limited, and is beneficial to reducing the production and manufacturing cost of the electroacoustic transducer diaphragm.
Further, the heat-conducting metal powder 3 is uniformly distributed in the glue layer 2.
Further, the heat-conducting metal powder 3 is located on the surface of the adhesive layer 2 close to the film material layer 1.
As can be seen from the above description, the heat conductive metal powder 3 is disposed next to the membrane layer 1, and can absorb the heat inside the electroacoustic transducer more quickly, thereby enhancing the heat dissipation effect of the electroacoustic transducer membrane.
Further, the heat-conducting metal powder 3 is uniformly distributed on the surface of the glue layer 2.
As can be seen from the above description, the heat-conducting metal powder 3 uniformly distributed can ensure the heat dissipation effect of the electroacoustic transducer diaphragm.
Further, the heat conducting metal powder 3 is aluminum powder or copper powder.
From the above description, it is understood that the aluminum powder and the copper powder have excellent heat conductive properties.
Furthermore, the material of basin frame is metal.
According to the description, the electroacoustic transducer diaphragm can rapidly transfer heat to the metal basin frame, and meanwhile, the metal basin frame can rapidly transfer the heat inside the electroacoustic transducer outwards, so that the heat dissipation capacity of the electroacoustic transducer is improved.
Example one
Referring to fig. 1, a first embodiment of the present invention is: the diaphragm of the electroacoustic transducer can be used as a vibrating diaphragm of the electroacoustic transducer for driving air, and can also be used as a secondary diaphragm for rectifying deviation of a voice coil.
The electroacoustic transducer diaphragm comprises at least two membrane material layers 1, wherein at least two adjacent membrane material layers 1 are fixedly bonded through an adhesive layer 2, and heat-conducting metal powder 3 is doped in the adhesive layer 2. The material of the membrane layer 1 can be PEEK, TPEE, TPU and the like; the two film layers 1 may be made of the same material or different materials.
The particle size specification of the heat-conducting metal powder 3 is one or more, and when the particle size specification of the heat-conducting metal powder 3 is one, the particle sizes of the heat-conducting metal powders 3 are the same; when the particle size specifications of the heat-conducting metal powder 3 are various, at least two heat-conducting metal powders 3 have different particle sizes.
As a preferred embodiment, the heat-conducting metal powder 3 is uniformly distributed in the glue layer 2.
Optionally, the heat conducting metal powder 3 is aluminum powder or copper powder.
This embodiment still provides an electroacoustic transducer, electroacoustic transducer includes the basin frame and locates respectively vibration subassembly and magnetic circuit assembly on the basin frame, vibration subassembly includes the sound membrane subassembly and locates voice coil loudspeaker voice coil on the sound membrane subassembly, the sound membrane subassembly is connected the basin frame, magnetic circuit assembly is used for doing the voice coil loudspeaker voice coil provides the constant magnetic field, the sound membrane subassembly includes above-mentioned electroacoustic transducer diaphragm, electroacoustic transducer diaphragm connects the basin frame. Preferably, the basin stand is made of metal.
In some embodiments, the vibration assembly further comprises a secondary membrane connecting the voice coil and the frame, the secondary membrane is used for dragging the voice coil to correct the deviation of the voice coil, and the secondary membrane can also be made of the electroacoustic transducer diaphragm.
It should be noted that, in the electroacoustic transducer having the secondary membrane, it is also within the scope of the present invention that only one of the sound membrane module and the secondary membrane employs the electroacoustic transducer diaphragm.
Example two
Referring to fig. 2, the second embodiment of the present invention is: the diaphragm of the electroacoustic transducer can be used as a vibrating diaphragm of the electroacoustic transducer for driving air, and can also be used as a secondary diaphragm for rectifying deviation of a voice coil.
The electroacoustic transducer diaphragm comprises at least two membrane material layers 1, wherein at least two adjacent membrane material layers 1 are fixedly bonded through an adhesive layer 2, and heat-conducting metal powder 3 is doped in the adhesive layer 2. The material of the membrane layer 1 can be PEEK, TPEE, TPU and the like; the two film layers 1 may be made of the same material or different materials.
The particle size specification of the heat-conducting metal powder 3 is one or more, and when the particle size specification of the heat-conducting metal powder 3 is one, the particle sizes of the heat-conducting metal powders 3 are the same; when the particle size specifications of the heat-conducting metal powder 3 are various, at least two heat-conducting metal powders 3 have different particle sizes.
Further, the heat-conducting metal powder 3 is located on the surface of the adhesive layer 2 close to the film material layer 1. As a preferred embodiment, the heat-conducting metal powder 3 is uniformly distributed on the surface of the glue layer 2.
Optionally, the heat conducting metal powder 3 is aluminum powder or copper powder.
This embodiment still provides an electroacoustic transducer, electroacoustic transducer includes the basin frame and locates respectively vibration subassembly and magnetic circuit assembly on the basin frame, vibration subassembly includes the sound membrane subassembly and locates voice coil loudspeaker voice coil on the sound membrane subassembly, the sound membrane subassembly is connected the basin frame, magnetic circuit assembly is used for doing the voice coil loudspeaker voice coil provides the constant magnetic field, the sound membrane subassembly includes above-mentioned electroacoustic transducer diaphragm, electroacoustic transducer diaphragm connects the basin frame. Preferably, the basin stand is made of metal.
In some embodiments, the vibration assembly further comprises a secondary membrane connecting the voice coil and the frame, the secondary membrane is used for dragging the voice coil to correct the deviation of the voice coil, and the secondary membrane can also be made of the electroacoustic transducer diaphragm.
It should be noted that, in the electroacoustic transducer having the secondary membrane, it is also within the scope of the present invention that only one of the sound membrane module and the secondary membrane employs the electroacoustic transducer diaphragm.
To sum up, the utility model provides an electroacoustic transducer diaphragm and electroacoustic transducer, electroacoustic transducer diaphragm make electroacoustic transducer diaphragm central zone's heat can transmit the border position of electroacoustic transducer diaphragm through increase heat conduction metal powder in the glue film to a heat dissipation channel is found out to inside the building of electroacoustic transducer diaphragm, make the inside heat of electroacoustic transducer can transmit on the basin frame fast and electroacoustic transducer outside, realize electroacoustic transducer's good heat dissipation, in order to guarantee electroacoustic transducer's performance. In addition, the adhesive layer is doped with the heat-conducting metal powder, so that the internal damping of the electroacoustic transducer diaphragm can be increased, the electroacoustic transducer diaphragm can be quickly stopped when the electroacoustic transducer stops working, noise caused by free vibration is reduced, and the distortion problem of the electroacoustic transducer is solved. The heat conduction metal powder can be arranged in the adhesive layer and on the surface of the adhesive layer, and the diversity of the electroacoustic transducer diaphragm is enriched.
The above mentioned is only the embodiment of the present invention, and not the limitation of the patent scope of the present invention, all the equivalent transformations made by the contents of the specification and the drawings, or the direct or indirect application in the related technical field, are included in the patent protection scope of the present invention.
Claims (8)
1. Electroacoustic transducer diaphragm, including two at least membrane material layers, it is two adjacent at least the membrane material layer passes through the glue film bonding fixedly, its characterized in that: and heat-conducting metal powder is doped in the adhesive layer.
2. The electroacoustic transducer diaphragm of claim 1, wherein: the particle size specification of the heat-conducting metal powder is one or more.
3. The electroacoustic transducer diaphragm of claim 1, wherein: the heat conduction metal powder is uniformly distributed in the glue layer.
4. The electroacoustic transducer diaphragm of claim 1, wherein: the heat conduction metal powder is located on the surface, close to the membrane material layer, of the adhesive layer.
5. The electroacoustic transducer diaphragm of claim 4, wherein: the heat conduction metal powder is uniformly distributed on the surface of the adhesive layer.
6. The electroacoustic transducer diaphragm of claim 1, wherein: the heat-conducting metal powder is aluminum powder or copper powder.
7. Electroacoustic transducer, including the basin frame, its characterized in that: further comprising an electroacoustic transducer diaphragm of any of claims 1-6, the electroacoustic transducer diaphragm being connected to the frame.
8. The electroacoustic converter of claim 7, wherein: the basin stand is made of metal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220053422.5U CN217283359U (en) | 2022-01-10 | 2022-01-10 | Electroacoustic transducer diaphragm and electroacoustic transducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220053422.5U CN217283359U (en) | 2022-01-10 | 2022-01-10 | Electroacoustic transducer diaphragm and electroacoustic transducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217283359U true CN217283359U (en) | 2022-08-23 |
Family
ID=82894629
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220053422.5U Active CN217283359U (en) | 2022-01-10 | 2022-01-10 | Electroacoustic transducer diaphragm and electroacoustic transducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217283359U (en) |
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2022
- 2022-01-10 CN CN202220053422.5U patent/CN217283359U/en active Active
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