CN220629558U - Voice coil, speaker and electronic device - Google Patents
Voice coil, speaker and electronic device Download PDFInfo
- Publication number
- CN220629558U CN220629558U CN202321914865.XU CN202321914865U CN220629558U CN 220629558 U CN220629558 U CN 220629558U CN 202321914865 U CN202321914865 U CN 202321914865U CN 220629558 U CN220629558 U CN 220629558U
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- voice coil
- heat
- heat dissipation
- loudspeaker
- wall surface
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- 230000017525 heat dissipation Effects 0.000 claims description 42
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 20
- 229910052742 iron Inorganic materials 0.000 claims description 12
- 230000000694 effects Effects 0.000 abstract description 10
- 230000001965 increasing effect Effects 0.000 abstract description 3
- 230000033001 locomotion Effects 0.000 description 6
- 229920000742 Cotton Polymers 0.000 description 3
- 239000000428 dust Substances 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
Landscapes
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Abstract
The present disclosure relates to a voice coil, a speaker, and an electronic apparatus, the voice coil including a voice coil bobbin and a heat radiating portion thermally connected to the voice coil bobbin and protruding from an inner wall surface and/or an outer wall surface of the voice coil bobbin. So, the area of contact with air can be increased to the radiating portion, when the voice coil loudspeaker voice coil produces heat because of the electric current, heat can be transmitted to the radiating portion through the form of heat transfer, improves the radiating efficiency of voice coil loudspeaker voice coil through the radiating portion to, the radiating portion can reciprocate along with the voice coil skeleton, with the flow state of changing the air with voice coil contact position, has strengthened the disturbance effect to the air, has improved the heat exchange efficiency between voice coil loudspeaker voice coil and the air, can reduce the extreme temperature of voice coil loudspeaker voice coil, increases the power of speaker.
Description
Technical Field
The present disclosure relates to the field of speakers, and in particular, to a voice coil, a speaker, and an electronic device.
Background
In the related art, the voice coil of speaker is smooth inner wall, and during the speaker work, voice coil loudspeaker electric current passes through the acceleration motion of magnetic field, and electric energy has some to produce heat energy in the voice coil loudspeaker electric current, outwards conducts through the copper wire in the voice coil loudspeaker, and that is, the speaker can produce a large amount of heats under high power operating mode, and these heats can restrict the efficiency and the limiting power of speaker, still can influence the life of voice coil loudspeaker simultaneously.
Disclosure of Invention
An object of the present disclosure is to provide a voice coil, a speaker, and an electronic apparatus, in which heat generated by the voice coil during operation can be dissipated through a heat dissipating portion to at least partially solve the above-described technical problems.
To achieve the above object, a first aspect of the present disclosure provides a voice coil including:
a voice coil bobbin; and
and the heat dissipation part is in heat conduction connection with the voice coil framework and protrudes out of the inner wall surface and/or the outer wall surface of the voice coil framework.
Optionally, the heat dissipation part includes one or more heat dissipation ribs extending along an axial direction of the voice coil bobbin, and the plurality of heat dissipation ribs on the inner wall surface or the outer wall surface are arranged at intervals along a circumferential direction of the voice coil bobbin.
Optionally, the heat dissipation part includes a plurality of heat dissipation protrusions, and the plurality of heat dissipation protrusions located on the inner wall surface or the outer wall surface are arranged at intervals along the circumferential direction and/or the axial direction of the voice coil skeleton.
Optionally, the heat dissipating part includes a spiral protrusion disposed around a central axis of the voice coil bobbin.
Optionally, the heat dissipating part is integrally configured with the voice coil bobbin.
Optionally, the heat dissipation part is connected to the voice coil skeleton through a heat conduction member.
A second aspect of the present disclosure also provides a loudspeaker comprising a voice coil as described above.
Optionally, the speaker includes T iron, voice coil skeleton activity cover is established on the T iron, the heat dissipation portion on the internal face of voice coil skeleton is located T iron top.
Optionally, the speaker includes vibrating diaphragm, bullet ripples and basin frame, the one end of voice coil loudspeaker voice coil skeleton connect in the vibrating diaphragm, the other end of voice coil loudspeaker voice coil skeleton passes in proper order the bullet ripples basin frame and movable sleeve establish on the T iron of voice coil loudspeaker voice coil skeleton, on the outer wall surface of voice coil loudspeaker voice coil skeleton the radiating portion is located the vibrating diaphragm with between the bullet ripples, and/or, on the outer wall surface of voice coil loudspeaker voice coil skeleton the radiating portion is located the bullet ripples with between the basin frame.
A third aspect of the present disclosure also provides an electronic device comprising a loudspeaker as described above.
Through above-mentioned technical scheme, can set up the radiating portion on the voice coil bobbin, and this radiating portion protrusion is in the inner wall face and/or the outer wall face of voice coil bobbin, helps radiating portion fully to contact the air, when the voice coil loudspeaker because of electric current produces the heat, heat can pass through the form transmission of heat transfer to radiating portion, improves the radiating efficiency of voice coil loudspeaker through the radiating portion, avoids the efficiency and the limiting power restriction of speaker because of the high temperature leads to as far as possible. In addition, the heat dissipation part also has the effect of disturbing air, namely, when the voice coil begins to reciprocate after being electrified, the heat dissipation part can reciprocate along with the voice coil framework so as to change the flowing state of the air at the contact part of the voice coil, so that the air disturbance effect is enhanced, the heat exchange efficiency between the voice coil and the air is improved, the limit temperature of the voice coil can be reduced, and the power of the loudspeaker is increased.
Additional features and advantages of the present disclosure will be set forth in the detailed description which follows.
Drawings
The accompanying drawings are included to provide a further understanding of the disclosure, and are incorporated in and constitute a part of this specification, illustrate the disclosure and together with the description serve to explain, but do not limit the disclosure. In the drawings:
fig. 1 is a schematic cross-sectional structure of a speaker provided in an exemplary embodiment of the present disclosure;
fig. 2 is a schematic structural view of a speaker provided in an exemplary embodiment of the present disclosure;
FIG. 3 is a first schematic structural view of a voice coil provided in an exemplary embodiment of the present disclosure;
fig. 4 is a second structural schematic diagram of a voice coil provided in an exemplary embodiment of the present disclosure;
fig. 5 is a third structural schematic diagram of a voice coil provided in an exemplary embodiment of the present disclosure.
Description of the reference numerals
1-a voice coil framework; 101-voice coil wire; 2-a heat dissipation part; 201-heat dissipation ribs; 202-heat dissipation protrusions; 203-helical protrusions; 3-T iron; 4-vibrating diaphragm; 5-flicking waves; 6, basin stand; 7-washer; 8-magnet; 9-folding rings; 10-soaking cotton; 11-dust cap.
Detailed Description
Specific embodiments of the present disclosure are described in detail below with reference to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating and illustrating the disclosure, are not intended to limit the disclosure.
In this disclosure, unless otherwise indicated, terms of orientation such as "inner and outer" are used to refer to inner and outer relative to the contour of the component or structure itself. In addition, the terms "first," "second," and the like, as used in this disclosure, are used to distinguish one element from another without sequence or importance. When the following description refers to the accompanying drawings, the same numbers in different drawings refer to the same or similar elements, unless otherwise indicated.
A first aspect of the present disclosure provides a voice coil, as shown with reference to fig. 1 to 5, comprising: the voice coil comprises a voice coil framework 1 and a heat dissipation part 2, wherein the heat dissipation part 2 is connected to the voice coil framework 1 in a heat conduction way and protrudes out of the inner wall surface and/or the outer wall surface of the voice coil framework 1.
Through above-mentioned technical scheme, can set up heat dissipation portion 2 on voice coil bobbin 1, and this heat dissipation portion 2 protrusion is in the internal face and/or the outer wall face of voice coil bobbin 1, helps heat dissipation portion 2 fully to contact the air, when the voice coil loudspeaker because of the electric current produces the heat, heat can pass through heat transfer's form and transmit to heat dissipation portion 2, improves radiating efficiency through heat dissipation portion 2, avoids the efficiency and the limiting power of speaker because of the high temperature leads to as far as possible to be limited. In addition, the heat dissipation part 2 also has the effect of disturbing air, namely, when the voice coil starts to reciprocate after being electrified, the heat dissipation part 2 can reciprocate along with the voice coil framework 1 so as to change the flowing state of the air at the contact part with the voice coil, thereby enhancing the disturbance effect on the air, improving the heat exchange efficiency between the voice coil and the air, reducing the limit temperature of the voice coil and increasing the power of the loudspeaker.
In some embodiments, referring to fig. 4, regarding the first example of the heat dissipating part 2, the heat dissipating part 2 may include one or more heat dissipating ribs 201, where the heat dissipating ribs 201 extend along the axial direction of the voice coil bobbin 1, and the plurality of heat dissipating ribs 201 located on the inner wall surface of the voice coil bobbin 1 or the outer wall surface of the voice coil bobbin 1 are arranged at intervals along the circumferential direction of the voice coil bobbin 1, the plurality of heat dissipating ribs 201 may increase the contact area with air, and when the voice coil is energized, the heat generated by the current may be transferred to the heat dissipating ribs 201 through the voice coil bobbin 1, so that the heat may be dissipated into the air more rapidly by means of the heat dissipating ribs 201, thereby achieving the purpose of reducing the temperature of the voice coil.
In some embodiments, referring to fig. 3, regarding the second example of the heat dissipation portion 2, the heat dissipation portion 2 may further include a plurality of heat dissipation protrusions 202, where the plurality of heat dissipation protrusions 202 are located on an inner wall surface of the voice coil skeleton 1 or an outer wall surface of the voice coil skeleton 1 and are arranged at intervals along a circumferential direction and/or an axial direction of the voice coil skeleton 1, that is, the plurality of heat dissipation protrusions 202 may increase a contact area with air, and when the voice coil is energized, heat generated by current may be transferred to the heat dissipation protrusions 202 through the voice coil skeleton 1, so that the heat may be dissipated into the air more quickly by means of the heat dissipation protrusions 202, thereby achieving the purpose of reducing the temperature of the voice coil. In further embodiments, not shown, the plurality of heat dissipating protrusions 202 may be distributed on the voice coil bobbin 1 in any suitable manner, to which the present disclosure is not limited.
In some embodiments, referring to fig. 5, regarding the third example of the heat dissipating part 2, the heat dissipating part 2 may include a spiral protrusion 203 disposed around the central axis of the voice coil bobbin 1, that is, the spiral protrusion 203 may increase the contact area with air, and when the voice coil is energized, heat generated by current may be transferred to the spiral protrusion 203 through the voice coil bobbin 1, so that the heat may be dispersed into the air more rapidly by means of the spiral protrusion 203, thereby achieving the purpose of reducing the temperature of the voice coil.
In some embodiments, referring to fig. 1, 3, 4, and 5, the heat sink 2 is integrally constructed with the voice coil bobbin 1.
In some embodiments, which are not shown, the heat dissipation part 2 may be connected to the voice coil skeleton 1 through a heat conduction member, where the heat conduction member may be selected from silica gel or other adhesives with good heat conduction performance, and the heat dissipation part 2 may be fixed on an inner wall surface and/or an outer wall surface of the voice coil skeleton 1 through an adhesive manner.
On the basis of the technical scheme, the second aspect of the disclosure also provides a loudspeaker, which comprises the voice coil of the first aspect or any embodiment of the first aspect.
Specifically, this speaker internally mounted has above-mentioned voice coil, promptly, refer to fig. 1 and 2 and show, the speaker mainly includes T iron 3, magnet 8, the department of washer 7, basin frame 6, book ring 9, the voice coil, vibrating diaphragm 4, bullet ripples 5 and bubble cotton 10, wherein, magnet 8 cup joints on T iron 3, the upper surface of magnet 8 is provided with the department of washer 7 that is used for connecting basin frame 6, bullet ripples 5 are installed on basin frame 6 and the voice coil wears to establish bullet ripples 5, one of them end movable sleeve of voice coil is established on T iron 3, the other end of voice coil links firmly vibrating diaphragm 4, the one end that vibrating diaphragm 4 deviates from the voice coil is connected with book ring 9, the one end that book ring 9 kept away from vibrating diaphragm 4 passes through bubble cotton 10 and connects basin frame 6, wherein, voice coil wire 101 of voice coil is in magnet 8's magnetic gap position, when being provided with heat dissipation portion 2 on the inner wall surface of voice coil frame 1, for example, let in the voice coil of speaker when speaker during operation, the time, make cutting magnetic induction line motion under the effect of magnetic field, and voice coil 4 are reciprocally moved, if voice coil 2 can also make the voice coil vibration can cause the impact to the whole, can be reduced to the voice coil, can be influenced by the voice coil, the sound quality can be influenced by the whole, the speaker can be influenced by the impact, and can be reduced to the speaker, and can be made to the speaker, and the speaker is broken down.
In some embodiments, not shown, the heat dissipation part 2 may be disposed on an outer wall surface of the voice coil bobbin 1, wherein, in order to avoid that the heat dissipation part 2 may hinder the normal reciprocating movement of the voice coil during the reciprocating movement of the voice coil, the heat dissipation part 2 disposed on the outer wall surface of the voice coil bobbin 1 may be located between the diaphragm 4 and the elastic wave 5 and/or may be located between the elastic wave 5 and the frame 6, as shown in connection with fig. 1.
In the present disclosure, the voice coil is a driving unit of a speaker, by energizing the voice coil wire 101 in the voice coil, under the action of two magnetic fields (one is the magnetic field of the magnet 8 itself, and the other is the magnetic field generated by the voice coil after energizing), the voice coil can vibrate reciprocally, and then drive the diaphragm 4 to vibrate, and the reciprocal vibration of the diaphragm 4 can cause the change of air pressure, thereby generating the sound that can be heard by the human ear.
In the present disclosure, the washer 7 serves to connect the magnet 8 and the tub 6; the function of the elastic wave 5 is that the voice coil can freely move up and down in the magnetic gap without moving transversely, so that the voice coil is ensured not to collide with the washer 7 and the magnet 8; the effect of the folding ring 9 is that the vibrating diaphragm 4 is connected with the basin frame 6 to provide support for the vibration of the vibrating diaphragm 4, and meanwhile, the folding ring 9 can also ensure the axial movement of the vibrating diaphragm 4 along the loudspeaker to limit the transverse movement of the vibrating diaphragm.
In the present disclosure, the voice coil may be made of copper, aluminum or stainless steel, and the like, and the heat dissipating part 2 may be made of the same material as the voice coil frame 1.
In this disclosure, can also be provided with shield 11, this shield 11 sets up and deviates from magnet 8's one end and bond with vibrating diaphragm 4 at the voice coil loudspeaker voice coil, and the effect of shield 11 lies in, prevents debris such as dust and prevents to get into to the magnetic gap in from vibrating diaphragm 4 and cause the speaker to send abnormal sound because of impurity such as dust, also has the effect of reinforcement high pitch simultaneously.
On the basis of the technical scheme, a third aspect of the disclosure also provides electronic equipment, which comprises the loudspeaker of the second aspect. The electronic device may be, for example, a sound box, a television, a computer, etc., and has all the advantages of the above speaker, and the disclosure is not repeated here.
The preferred embodiments of the present disclosure have been described in detail above with reference to the accompanying drawings, but the present disclosure is not limited to the specific details of the above embodiments, and various simple modifications may be made to the technical solutions of the present disclosure within the scope of the technical concept of the present disclosure, and all the simple modifications belong to the protection scope of the present disclosure.
In addition, the specific features described in the foregoing embodiments may be combined in any suitable manner, and in order to avoid unnecessary repetition, the present disclosure does not further describe various possible combinations.
Moreover, any combination between the various embodiments of the present disclosure is possible as long as it does not depart from the spirit of the present disclosure, which should also be construed as the disclosure of the present disclosure.
Claims (9)
1. A voice coil, comprising:
a voice coil bobbin; and
the heat dissipation part is in heat conduction connection in the voice coil skeleton and protruding in the inner wall face and/or the outer wall face of voice coil skeleton, the heat dissipation part includes one or more heat dissipation rib, the heat dissipation rib is followed the axial extension of voice coil skeleton, is located the inner wall face or a plurality of on the outer wall face the heat dissipation rib is followed the circumference interval arrangement of voice coil skeleton.
2. The voice coil of claim 1, wherein the heat dissipating portion includes a plurality of heat dissipating protrusions, and the plurality of heat dissipating protrusions are disposed on the inner wall surface or the outer wall surface at intervals in a circumferential direction and/or an axial direction of the voice coil bobbin.
3. The voice coil of claim 1, wherein the heat sink comprises a helical protrusion disposed about a central axis of the voice coil former.
4. A voice coil according to any one of claims 1 to 3, wherein the heat sink is integrally formed with the voice coil former.
5. A voice coil according to any one of claims 1 to 3, wherein the heat radiating portion is connected to the voice coil bobbin via a heat conductive member.
6. A loudspeaker comprising a voice coil as claimed in any one of claims 1 to 5.
7. The loudspeaker of claim 6, wherein the loudspeaker comprises a T-iron, the voice coil bobbin is movably sleeved on the T-iron, and the heat dissipation portion on the inner wall surface of the voice coil bobbin is located above the T-iron.
8. The loudspeaker of claim 6, wherein the loudspeaker comprises a vibrating diaphragm, a damper and a frame, one end of the voice coil frame is connected to the vibrating diaphragm, the other end of the voice coil frame sequentially passes through the damper, the frame and is movably sleeved on a T-iron of the voice coil frame, the heat dissipation part on the outer wall surface of the voice coil frame is located between the vibrating diaphragm and the damper, and/or the heat dissipation part on the outer wall surface of the voice coil frame is located between the damper and the frame.
9. An electronic device comprising a loudspeaker according to any one of claims 6-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321914865.XU CN220629558U (en) | 2023-07-19 | 2023-07-19 | Voice coil, speaker and electronic device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321914865.XU CN220629558U (en) | 2023-07-19 | 2023-07-19 | Voice coil, speaker and electronic device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220629558U true CN220629558U (en) | 2024-03-19 |
Family
ID=90225139
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321914865.XU Active CN220629558U (en) | 2023-07-19 | 2023-07-19 | Voice coil, speaker and electronic device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220629558U (en) |
-
2023
- 2023-07-19 CN CN202321914865.XU patent/CN220629558U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |