CN207124762U - A kind of magnetic circuit of loudspeaker with U-shaped short-circuited conducting sleeve - Google Patents
A kind of magnetic circuit of loudspeaker with U-shaped short-circuited conducting sleeve Download PDFInfo
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- CN207124762U CN207124762U CN201721212523.8U CN201721212523U CN207124762U CN 207124762 U CN207124762 U CN 207124762U CN 201721212523 U CN201721212523 U CN 201721212523U CN 207124762 U CN207124762 U CN 207124762U
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- ring body
- voice coil
- conducting sleeve
- circuited conducting
- loudspeaker
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 130
- 229910052742 iron Inorganic materials 0.000 claims abstract description 74
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 56
- 239000010959 steel Substances 0.000 claims abstract description 56
- 238000005452 bending Methods 0.000 claims description 16
- 230000000630 rising effect Effects 0.000 description 7
- 230000006641 stabilisation Effects 0.000 description 7
- 238000011105 stabilization Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 230000037237 body shape Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Abstract
The utility model provides a kind of magnetic circuit of loudspeaker with U-shaped short-circuited conducting sleeve, magnetic circuit system includes T-shaped iron, magnet steel, washer, voice coil loudspeaker voice coil and U-shaped short-circuited conducting sleeve, wherein the U-shaped short-circuited conducting sleeve includes the first ring body and the second ring body again, voice coil loudspeaker voice coil is located in the U-lag that the first ring body is formed with the second ring body, and voice coil loudspeaker voice coil can move up and down in U-lag.Short-circuited conducting sleeve is fabricated to U-shaped structure by the utility model, and by optimizing short-circuited conducting sleeve and the miscellaneous part such as annexation of washer, magnet steel and T iron, harmonic distortion and the non-linear distortion of loudspeaker are effectively reduced, improves the overall acoustical behavior of loudspeaker, improves the tonequality of loudspeaker.
Description
Technical field
The present invention relates to the technical field of loudspeaker manufacture, more particularly, to a kind of loudspeaker magnetic with U-shaped short-circuited conducting sleeve
Road system.
Background technology
Loudspeaker in the course of the work, while external drive electric current driving voice coil loudspeaker voice coil vibrates in magnetic gap, can also cause phase
The induced-current of opposite direction, especially in high frequency, the self-induction of voice coil loudspeaker voice coil itself is excessive, and caused induced-current is larger, to loudspeaker
Work has an impact, and causes higher frequency response impaired.
The loudspeaker of traditional structure, one short-circuited conducting sleeve is set in washer lower end, around magnet, to slow down the resistance of loudspeaker
The anti-rate of climb being worth with frequency.Short-circuited conducting sleeve can offset influence of the voice coil loudspeaker voice coil induced-current to magnetic field in loudspeaker, and attenuating is raised one's voice
The impedance of device high band, play a part of reducing harmonic distortion, reduce voice coil loudspeaker voice coil inductance.
In existing structure design, short-circuited conducting sleeve is generally positioned at the inner side of voice coil loudspeaker voice coil, and is linked on T iron or washer；Or
Person is arranged at the inner side of magnet steel or U iron while positioned at the outside of voice coil loudspeaker voice coil；Or the combined use of both the above mode.But upper
In the short-circuited conducting sleeve application stated, the movement post caloric value of T iron is big, the magnetic field stability being unfavorable in speaker operation engineering, and
It is not still fairly obvious for the improvement of harmonic distortion of loudspeaker and non-linear distortion.
Therefore, it is necessary to be improved design to the existing magnetic circuit of loudspeaker, so as to effectively reduce harmonic distortion, carry
The overall acoustical behavior of high loudspeaker.And how to be effectively improved harmonic distortion of loudspeaker and non-linear distortion be also this area skill
Art personnel need the technical problem solved.
The content of the invention
In order to solve above mentioned problem existing for prior art, the utility model provides a kind of raising with U-shaped short-circuited conducting sleeve
Sound device magnetic circuit system, short-circuited conducting sleeve is fabricated to U-shaped structure, and by optimizing short-circuited conducting sleeve and miscellaneous part such as washer, magnet steel and T
The annexation of iron, harmonic distortion and the non-linear distortion of loudspeaker are effectively reduced, the overall acoustical behavior of loudspeaker is improved, changes
The tonequality of kind loudspeaker.
To achieve the above object, the utility model provides following technical scheme：
A kind of magnetic circuit of loudspeaker with U-shaped short-circuited conducting sleeve, including T-shaped iron, magnet steel, washer, voice coil loudspeaker voice coil and U-shaped short circuit
Ring, the T-shaped iron include transverse part and are vertically set on the vertical part of the transverse part overcentre, and the magnet steel and washer are located at transverse part
Top, the inner side edge of the washer than magnet steel inner side edge closer to vertical part；T is formed between the magnet steel and washer and vertical part
Iron clearance groove, voice coil loudspeaker voice coil and the U-shaped short-circuited conducting sleeve are located in T iron clearance groove；The U-shaped short-circuited conducting sleeve includes the first ring body and the second ring
Body, the voice coil loudspeaker voice coil are located in the U-lag that the first ring body is formed with the second ring body, and the voice coil loudspeaker voice coil can move up and down in U-lag；Institute
State the first ring body to be socketed on vertical part, second ring body is socketed on magnet steel or washer.
U-shaped short-circuited conducting sleeve is the short-circuited conducting sleeve that section is U-shaped, can also pass through the side such as glue, welding by being integrally formed
Formula connects to form U-shaped structure.U-shaped short-circuited conducting sleeve includes being socketed on the first ring body of T iron vertical part and is socketed on washer or magnet steel
Second ring body, the first ring body and the second ring body form U-lag, and voice coil loudspeaker voice coil is arranged in the U-lag of the short-circuited conducting sleeve, keep inside and outside
Gap, after electric signal is passed through, voice coil loudspeaker voice coil moves up and down in U-lag.It was discovered by researchers that the U-shaped short-circuited conducting sleeve of the structure can have
Effect reduces the inductance of voice coil loudspeaker voice coil, improves the frequency response of loudspeaker, improves the distortion of loudspeaker, ensures the overall acoustics of loudspeaker
Energy.
As further describing for the technical solution of the utility model, the bottom of the U-shaped short-circuited conducting sleeve is located at the horizontal stroke of T-shaped iron
Portion and the intersection of vertical part.U-shaped short-circuited conducting sleeve is brought into close contact with T-shaped iron, reduces the influence to magnetic gap space, makes magnetic circuit system steady
It is fixed.
As a kind of perferred technical scheme, first ring body carries out downwards U-shaped bending in end, is socketed on afterwards perpendicular
The upper end in portion；Second ring body carries out downwards U-shaped bending in end, is socketed on the upper end of washer afterwards.
As another preferable technical scheme, first ring body carries out downwards U-shaped bending in end, is socketed on afterwards
The upper end of vertical part；Second ring body is socketed on the lower end of washer.
As another preferable technical scheme, the vertical part up forms raised, the first ring body set laterally
It is connected to the lower end of projection；Second ring body is socketed on the lower end of washer.
In above-mentioned technical proposal, the first ring body and the second ring body using different attachment structures respectively with T iron vertical part, washer
It is socketed, can realizes that annexation of the short-circuited conducting sleeve in magnetic circuit system is set well, the harmonic wave for effectively reducing loudspeaker loses
True and non-linear distortion, improve the tonequality of loudspeaker.Because the position of short-circuited conducting sleeve is fixed, ensure the magnetic in speaker operation engineering
Field stability.
The utility model additionally provides another technical solution：A kind of magnetic circuit of loudspeaker with U-shaped short-circuited conducting sleeve, bag
U-iron, magnet steel, washer, voice coil loudspeaker voice coil and U-shaped short-circuited conducting sleeve are included, the U-iron includes bottom and extends upwardly from the bottom portion out convex
Portion, the magnet steel and washer are located at the top of bottom, and the width of the washer is more than the width of magnet steel；The magnet steel and washer with
U iron clearance grooves are formed between convex portion, voice coil loudspeaker voice coil and the U-shaped short-circuited conducting sleeve is located in U iron clearance grooves；
The U-shaped short-circuited conducting sleeve includes the first ring body and the second ring body, and the voice coil loudspeaker voice coil is located at the first ring body and the second ring body shape
Into U-lag in, the voice coil loudspeaker voice coil can move up and down in U-lag；First ring body is socketed on magnet steel or washer, and described
Two ring bodies are socketed on convex portion.
It is similar to the magnetic circuit system of T-shaped iron construction, U-shaped short-circuited conducting sleeve include be socketed on magnet steel or washer the first ring body and
The second ring body of U-iron convex portion is socketed on, the first ring body and the second ring body form U-lag, and voice coil loudspeaker voice coil is arranged at the U of the short-circuited conducting sleeve
In shape groove, inside and outside gap is kept, after electric signal is passed through, voice coil loudspeaker voice coil moves up and down in U-lag.The magnetic circuit of the U-iron structure
In system, U-shaped short-circuited conducting sleeve also can effectively reduce the inductance of voice coil loudspeaker voice coil, improve the frequency response of loudspeaker, improve the distortion of loudspeaker,
Ensure the overall acoustical behavior of loudspeaker.
As further describing for the technical solution of the utility model, the bottom of the U-shaped short-circuited conducting sleeve is located at the bottom of U-iron
Portion and the intersection of convex portion.U-shaped short-circuited conducting sleeve is brought into close contact with U-iron, is reduced the influence to magnetic gap space, is obtained magnetic circuit system
To stabilization.
As a kind of perferred technical scheme, first ring body carries out downwards U-shaped bending in end, is socketed on China afterwards
The upper end of department；Second ring body carries out downwards U-shaped bending in end, is socketed on the upper end of convex portion afterwards.
As another preferable technical scheme, the convex portion up convexes to form projection, second ring body inward
It is socketed on the lower end of projection；First ring body carries out downwards U-shaped bending in end, is socketed on the upper end of washer afterwards.
As another preferable technical scheme, the convex portion up convexes to form projection, second ring body inward
It is socketed on the lower end of projection；First ring body is socketed on the lower end of washer.
In the technical scheme of above-mentioned U-iron magnetic circuit system, the first ring body uses different attachment structures from the second ring body
It is socketed respectively with U iron convex portion, washer, can realizes that annexation of the short-circuited conducting sleeve in magnetic circuit system is set well, effectively
Harmonic distortion and the non-linear distortion of loudspeaker are reduced, improves the tonequality of loudspeaker.
Based on above-mentioned technical scheme, the technique effect that the utility model obtains is：
（1）In the magnetic circuit of loudspeaker provided by the utility model with U-shaped short-circuited conducting sleeve, short-circuited conducting sleeve is fabricated to U-shaped
Structure, and by optimizing short-circuited conducting sleeve and miscellaneous part such as washer, T iron（U iron）Annexation, effectively reduce loudspeaker it is humorous
Wave distortion and non-linear distortion, the overall acoustical behavior of loudspeaker is improved, improve the tonequality of loudspeaker.
（2）The magnetic circuit of loudspeaker of the present utility model with U-shaped short-circuited conducting sleeve, U-shaped short-circuited conducting sleeve include the first ring body and
Second ring body, using different attachment structures respectively and T iron（U iron）, washer be socketed, whole magnetic circuit system is obtained surely
It is fixed, and the change of nonlinear inductance amount in magnetic circuit system is reduced, so that distortion reduces, and U-shaped short-circuited conducting sleeve can make sound
The impedance value of circle becomes to ease up with the rising of frequency, so as to improve the frequency response output area of loudspeaker.
Brief description of the drawings
Fig. 1 is the profile of the magnetic circuit of loudspeaker with U-shaped short-circuited conducting sleeve of embodiment 1.
Fig. 2 is the simulated effect figure of the magnetic circuit of loudspeaker with U-shaped short-circuited conducting sleeve of embodiment 1.
Fig. 3 is the profile of the magnetic circuit of loudspeaker with U-shaped short-circuited conducting sleeve of embodiment 2.
Fig. 4 is the profile of the magnetic circuit of loudspeaker with U-shaped short-circuited conducting sleeve of embodiment 3.
Fig. 5 is the profile of the magnetic circuit of loudspeaker with U-shaped short-circuited conducting sleeve of embodiment 4.
Fig. 6 is the profile of the magnetic circuit of loudspeaker with U-shaped short-circuited conducting sleeve of embodiment 5.
Fig. 7 is the profile of the magnetic circuit of loudspeaker with U-shaped short-circuited conducting sleeve of embodiment 6.
Embodiment
For the ease of understanding the utility model, the utility model is carried out more below in conjunction with accompanying drawing and specific embodiment
Comprehensive description.Better embodiment of the present utility model is given in accompanying drawing.But the utility model can be with many differences
Form realize, however it is not limited to embodiments described herein.On the contrary, the purpose for providing these embodiments is to make pair
The more thorough and comprehensive that disclosure of the present utility model understands.
It should be noted that when element is referred to as " being fixed on " another element, it can be directly on another element
Or there may also be element placed in the middle.When an element is considered as " connection " another element, it can be directly connected to
To another element or it may be simultaneously present centering elements.
Unless otherwise defined, all of technologies and scientific terms used here by the article is led with belonging to technology of the present utility model
The implication that the technical staff in domain is generally understood that is identical.It is simply in term used in the description of the present utility model herein
The purpose of description specific embodiment, it is not intended that in limitation the utility model.
Embodiment 1
Fig. 1 gives the profile of the magnetic circuit of loudspeaker with U-shaped short-circuited conducting sleeve of embodiment 1, as shown in figure 1, one
The magnetic circuit of loudspeaker of the kind with U-shaped short-circuited conducting sleeve, including T-shaped iron 1, magnet steel 2, washer 3, voice coil loudspeaker voice coil 4 and U-shaped short-circuited conducting sleeve 5.Its
In, T-shaped iron 1 includes transverse part 11 and is vertically set on the vertical part 12 of the overcentre of transverse part 11, in the top of transverse part 11 successively
Magnet steel 2 and washer 3 are provided with, i.e. magnet steel 2 and washer 3 is sequentially located at the top of transverse part 11.It should be noted that washer 3 is interior
Side than magnet steel 2 inner side edge closer to vertical part 12.Space between magnet steel 2 and washer 3 and vertical part 12, then formed between T iron
Slot 13, voice coil loudspeaker voice coil 4 and U-shaped short-circuited conducting sleeve 5 are located in T iron clearance groove 13.
Wherein, the bottom of U-shaped short-circuited conducting sleeve 5 is located at the transverse part 11 of T-shaped iron 1 and the intersection of vertical part 12.U-shaped short-circuited conducting sleeve 5 and T
Shape iron 1 is brought into close contact, and can reduce the influence to magnetic gap space, makes magnetic circuit system stable.
Further, U-shaped short-circuited conducting sleeve 5 includes the first ring body 51 and the second ring body 52, and voice coil loudspeaker voice coil 4 is located at the first ring body 51 and
In the U-lag 53 that two ring bodies 52 are formed, voice coil loudspeaker voice coil 4 can move up and down in U-lag 53.
In the present embodiment, the first ring body 51 carries out downwards U-shaped bending in end, is socketed on the upper end of vertical part 12 afterwards；
Second ring body 52 carries out downwards U-shaped bending in end, is socketed on the upper end of washer 3 afterwards.
Fig. 2 is the simulated effect figure of the magnetic circuit of loudspeaker with U-shaped short-circuited conducting sleeve of the present embodiment, as shown in Fig. 2 should
It is than short-circuited conducting sleeve traditionally and well many without the simulated effect of addition short-circuited conducting sleeve with the U-shaped short-circuited conducting sleeve of the present embodiment.
In the magnetic circuit of loudspeaker of the present embodiment, short-circuited conducting sleeve is fabricated to the U-shaped containing the first ring body and the second ring body
Structure, and the first ring body and the second ring body are socketed with vertical part and washer respectively, whole magnetic circuit system can be made to obtain stabilization, and make
The change for obtaining nonlinear inductance amount in magnetic circuit system reduces, and effectively reduces harmonic distortion and the non-linear distortion of loudspeaker, and U
Shape short-circuited conducting sleeve can make the impedance value of voice coil loudspeaker voice coil become to ease up with the rising of frequency, so as to improve the frequency response of loudspeaker output model
Enclose, improve the overall acoustical behavior of loudspeaker, improve the tonequality of loudspeaker.
Embodiment 2
Fig. 3 gives the profile of the magnetic circuit of loudspeaker with U-shaped short-circuited conducting sleeve of embodiment 2, as shown in figure 3, one
The magnetic circuit of loudspeaker of the kind with U-shaped short-circuited conducting sleeve, including T-shaped iron 1, magnet steel 2, washer 3, voice coil loudspeaker voice coil 4 and U-shaped short-circuited conducting sleeve 5.Its
In, T-shaped iron 1 includes transverse part 11 and is vertically set on the vertical part 12 of the overcentre of transverse part 11, in the top of transverse part 11 successively
Magnet steel 2 and washer 3 are provided with, i.e. magnet steel 2 and washer 3 is sequentially located at the top of transverse part 11.It should be noted that washer 3 is interior
Side than magnet steel 2 inner side edge closer to vertical part 12.Space between magnet steel 2 and washer 3 and vertical part 12, then formed between T iron
Slot 13, voice coil loudspeaker voice coil 4 and U-shaped short-circuited conducting sleeve 5 are located in T iron clearance groove 13.
Wherein, the bottom of U-shaped short-circuited conducting sleeve 5 is located at the transverse part 11 of T-shaped iron 1 and the intersection of vertical part 12.U-shaped short-circuited conducting sleeve 5 and T
Shape iron 1 is brought into close contact, and can reduce the influence to magnetic gap space, makes magnetic circuit system stable.
Further, U-shaped short-circuited conducting sleeve 5 includes the first ring body 51 and the second ring body 52, and voice coil loudspeaker voice coil 4 is located at the first ring body 51 and
In the U-lag 53 that two ring bodies 52 are formed, voice coil loudspeaker voice coil 4 can move up and down in U-lag 53.
In the present embodiment, the first ring body 51 carries out downwards U-shaped bending in end, is socketed on the upper end of vertical part 12 afterwards；
Second ring body 52 is socketed on the lower end of washer 3.
In the magnetic circuit of loudspeaker of the present embodiment, short-circuited conducting sleeve is fabricated to the U-shaped containing the first ring body and the second ring body
Structure, and the first ring body and the second ring body are socketed with vertical part and washer respectively, whole magnetic circuit system can be made to obtain stabilization, and make
The change for obtaining nonlinear inductance amount in magnetic circuit system reduces, and effectively reduces harmonic distortion and the non-linear distortion of loudspeaker, and U
Shape short-circuited conducting sleeve can make the impedance value of voice coil loudspeaker voice coil become to ease up with the rising of frequency, so as to improve the frequency response of loudspeaker output model
Enclose, improve the overall acoustical behavior of loudspeaker, improve the tonequality of loudspeaker.
Embodiment 3
Fig. 4 gives the profile of the magnetic circuit of loudspeaker with U-shaped short-circuited conducting sleeve of embodiment 3, as shown in figure 3, one
The magnetic circuit of loudspeaker of the kind with U-shaped short-circuited conducting sleeve, including T-shaped iron 1, magnet steel 2, washer 3, voice coil loudspeaker voice coil 4 and U-shaped short-circuited conducting sleeve 5.Its
In, T-shaped iron 1 includes transverse part 11 and is vertically set on the vertical part 12 of the overcentre of transverse part 11, in the top of transverse part 11 successively
Magnet steel 2 and washer 3 are provided with, i.e. magnet steel 2 and washer 3 is sequentially located at the top of transverse part 11.It should be noted that washer 3 is interior
Side than magnet steel 2 inner side edge closer to vertical part 12.Space between magnet steel 2 and washer 3 and vertical part 12, then formed between T iron
Slot 13, voice coil loudspeaker voice coil 4 and U-shaped short-circuited conducting sleeve 5 are located in T iron clearance groove 13.
Wherein, the bottom of U-shaped short-circuited conducting sleeve 5 is located at the transverse part 11 of T-shaped iron 1 and the intersection of vertical part 12.U-shaped short-circuited conducting sleeve 5 and T
Shape iron 1 is brought into close contact, and can reduce the influence to magnetic gap space, makes magnetic circuit system stable.
Further, U-shaped short-circuited conducting sleeve 5 includes the first ring body 51 and the second ring body 52, and voice coil loudspeaker voice coil 4 is located at the first ring body 51 and
In the U-lag 53 that two ring bodies 52 are formed, voice coil loudspeaker voice coil 4 can move up and down in U-lag 53.
In the present embodiment, vertical part 12 up forms projection 14 laterally, and the first ring body 51 is socketed under projection 14
End；Second ring body 52 is socketed on the lower end of washer 3.
In the magnetic circuit of loudspeaker of the present embodiment, short-circuited conducting sleeve is fabricated to the U-shaped containing the first ring body and the second ring body
Structure, and the first ring body and the second ring body are socketed with vertical part and washer respectively, whole magnetic circuit system can be made to obtain stabilization, and make
The change for obtaining nonlinear inductance amount in magnetic circuit system reduces, and effectively reduces harmonic distortion and the non-linear distortion of loudspeaker, and U
Shape short-circuited conducting sleeve can make the impedance value of voice coil loudspeaker voice coil become to ease up with the rising of frequency, so as to improve the frequency response of loudspeaker output model
Enclose, improve the overall acoustical behavior of loudspeaker, improve the tonequality of loudspeaker.
Embodiment 4
Fig. 5 gives the profile of the magnetic circuit of loudspeaker with U-shaped short-circuited conducting sleeve of embodiment 4, as shown in figure 4, one
The magnetic circuit of loudspeaker of the kind with U-shaped short-circuited conducting sleeve, including U-iron 6, magnet steel 2 ', washer 3 ', voice coil loudspeaker voice coil 4 and U-shaped short-circuited conducting sleeve 5.Its
In, U-iron 6 includes bottom 61 and the convex portion 62 for upwardly extending out from bottom 61, and magnetic has been sequentially arranged above in bottom 61
Steel 2 ' and washer 3 ', i.e. magnet steel 2 ' and washer 3 ' are sequentially located at the top of bottom 61.It should be noted that the width of washer 3 ' is big
In the width of magnet steel 2 ', the space between magnet steel 2 ' and washer 3 ' and convex portion 62, then U iron clearance groove 63, the He of voice coil loudspeaker voice coil 4 are formd
U-shaped short-circuited conducting sleeve 5 is located in U iron clearance groove 63.
Wherein the bottom of U-shaped short-circuited conducting sleeve 5 is located at the bottom 61 of U-iron 6 and the intersection of convex portion 62, U-shaped short-circuited conducting sleeve 5 and U
Shape iron 6 is brought into close contact, and can reduce the influence to magnetic gap space, makes magnetic circuit system stable.
Further, U-shaped short-circuited conducting sleeve 5 includes the first ring body 51 and the second ring body 52, and voice coil loudspeaker voice coil 4 is located at the first ring body 51 and
In the U-lag 53 that two ring bodies 52 are formed, voice coil loudspeaker voice coil 4 can move up and down in U-lag 53.
In the present embodiment, the first ring body 51 carries out downwards U-shaped bending in end, is socketed on the upper end of washer 3 ' afterwards；
Second ring body 52 carries out downwards U-shaped bending in end, is socketed on the upper end of convex portion 62 afterwards.
In the magnetic circuit of loudspeaker of the present embodiment, short-circuited conducting sleeve is fabricated to the U-shaped containing the first ring body and the second ring body
Structure, and the first ring body and the second ring body are socketed with washer and convex portion respectively, whole magnetic circuit system can be made to obtain stabilization, and make
The change for obtaining nonlinear inductance amount in magnetic circuit system reduces, and effectively reduces harmonic distortion and the non-linear distortion of loudspeaker, and U
Shape short-circuited conducting sleeve can make the impedance value of voice coil loudspeaker voice coil become to ease up with the rising of frequency, so as to improve the frequency response of loudspeaker output model
Enclose, improve the overall acoustical behavior of loudspeaker, improve the tonequality of loudspeaker.
Embodiment 5
Fig. 6 gives the profile of the magnetic circuit of loudspeaker with U-shaped short-circuited conducting sleeve of embodiment 5, as shown in figure 5, one
The magnetic circuit of loudspeaker of the kind with U-shaped short-circuited conducting sleeve, including U-iron 6, magnet steel 2 ', washer 3 ', voice coil loudspeaker voice coil 4 and U-shaped short-circuited conducting sleeve 5.Its
In, U-iron 6 includes bottom 61 and the convex portion 62 for upwardly extending out from bottom 61, and magnetic has been sequentially arranged above in bottom 61
Steel 2 ' and washer 3 ', i.e. magnet steel 2 ' and washer 3 ' are sequentially located at the top of bottom 61.It should be noted that the width of washer 3 ' is big
In the width of magnet steel 2 ', the space between magnet steel 2 ' and washer 3 ' and convex portion 62, then U iron clearance groove 63, the He of voice coil loudspeaker voice coil 4 are formd
U-shaped short-circuited conducting sleeve 5 is located in U iron clearance groove 63.
Wherein the bottom of U-shaped short-circuited conducting sleeve 5 is located at the bottom 61 of U-iron 6 and the intersection of convex portion 62, U-shaped short-circuited conducting sleeve 5 and U
Shape iron 6 is brought into close contact, and can reduce the influence to magnetic gap space, makes magnetic circuit system stable.
Further, U-shaped short-circuited conducting sleeve 5 includes the first ring body 51 and the second ring body 52, and voice coil loudspeaker voice coil 4 is located at the first ring body 51 and
In the U-lag 53 that two ring bodies 52 are formed, voice coil loudspeaker voice coil 4 can move up and down in U-lag 53.
In the present embodiment, convex portion 62 up convexes to form projection 64 inward, and the second ring body 52 is socketed on projection 64
Lower end；First ring body 51 carries out downwards U-shaped bending in end, is socketed on the upper end of washer 3 ' afterwards.
In the magnetic circuit of loudspeaker of the present embodiment, short-circuited conducting sleeve is fabricated to the U-shaped containing the first ring body and the second ring body
Structure, and the first ring body and the second ring body are socketed with washer and convex portion respectively, whole magnetic circuit system can be made to obtain stabilization, and make
The change for obtaining nonlinear inductance amount in magnetic circuit system reduces, and effectively reduces harmonic distortion and the non-linear distortion of loudspeaker, and U
Shape short-circuited conducting sleeve can make the impedance value of voice coil loudspeaker voice coil become to ease up with the rising of frequency, so as to improve the frequency response of loudspeaker output model
Enclose, improve the overall acoustical behavior of loudspeaker, improve the tonequality of loudspeaker.
Embodiment 6
Fig. 7 gives the profile of the magnetic circuit of loudspeaker with U-shaped short-circuited conducting sleeve of embodiment 6, as shown in fig. 6, one
The magnetic circuit of loudspeaker of the kind with U-shaped short-circuited conducting sleeve, including U-iron 6, magnet steel 2 ', washer 3 ', voice coil loudspeaker voice coil 4 and U-shaped short-circuited conducting sleeve 5.Its
In, U-iron 6 includes bottom 61 and the convex portion 62 for upwardly extending out from bottom 61, and magnetic has been sequentially arranged above in bottom 61
Steel 2 ' and washer 3 ', i.e. magnet steel 2 ' and washer 3 ' are sequentially located at the top of bottom 61.It should be noted that the width of washer 3 ' is big
In the width of magnet steel 2 ', the space between magnet steel 2 ' and washer 3 ' and convex portion 62, then U iron clearance groove 63, the He of voice coil loudspeaker voice coil 4 are formd
U-shaped short-circuited conducting sleeve 5 is located in U iron clearance groove 63.
Wherein the bottom of U-shaped short-circuited conducting sleeve 5 is located at the bottom 61 of U-iron 6 and the intersection of convex portion 62, U-shaped short-circuited conducting sleeve 5 and U
Shape iron 6 is brought into close contact, and can reduce the influence to magnetic gap space, makes magnetic circuit system stable.
Further, U-shaped short-circuited conducting sleeve 5 includes the first ring body 51 and the second ring body 52, and voice coil loudspeaker voice coil 4 is located at the first ring body 51 and
In the U-lag 53 that two ring bodies 52 are formed, voice coil loudspeaker voice coil 4 can move up and down in U-lag 53.
In the present embodiment, convex portion 62 up convexes to form projection 64 inward, and the second ring body 52 is socketed on projection 64
Lower end；First ring body 51 is socketed on the lower end of washer 3 '.
In the magnetic circuit of loudspeaker of the present embodiment, short-circuited conducting sleeve is fabricated to the U-shaped containing the first ring body and the second ring body
Structure, and the first ring body and the second ring body are socketed with washer and convex portion respectively, whole magnetic circuit system can be made to obtain stabilization, and make
The change for obtaining nonlinear inductance amount in magnetic circuit system reduces, and effectively reduces harmonic distortion and the non-linear distortion of loudspeaker, and U
Shape short-circuited conducting sleeve can make the impedance value of voice coil loudspeaker voice coil become to ease up with the rising of frequency, so as to improve the frequency response of loudspeaker output model
Enclose, improve the overall acoustical behavior of loudspeaker, improve the tonequality of loudspeaker.
Above content is only structure example and explanation of the present utility model, and its description is more specific and detailed,
But therefore it can not be interpreted as the limitation to the utility model patent scope.It should be pointed out that for the common of this area
For technical staff, without departing from the concept of the premise utility, various modifications and improvements can be made, these it is aobvious and
The alternative forms being clear to belong to the scope of protection of the utility model.
Claims (10)
- A kind of 1. magnetic circuit of loudspeaker with U-shaped short-circuited conducting sleeve, it is characterised in that including T-shaped iron, magnet steel, washer, voice coil loudspeaker voice coil and U-shaped short-circuited conducting sleeve, the T-shaped iron include transverse part and are vertically set on the vertical part of the transverse part overcentre, the magnet steel and washer Positioned at the top of transverse part, the inner side edge of the washer than magnet steel inner side edge closer to vertical part；The magnet steel and washer and vertical part Between form T iron clearance groove, voice coil loudspeaker voice coil and the U-shaped short-circuited conducting sleeve is located in T iron clearance groove；The U-shaped short-circuited conducting sleeve includes the first ring Body and the second ring body, the voice coil loudspeaker voice coil are located in the U-lag that the first ring body is formed with the second ring body, and the voice coil loudspeaker voice coil can be in U-lag Move up and down；First ring body is socketed on vertical part, and second ring body is socketed on magnet steel or washer.
- 2. the magnetic circuit of loudspeaker according to claim 1 with U-shaped short-circuited conducting sleeve, it is characterised in that the U-shaped short circuit The bottom of ring is located at the transverse part of T-shaped iron and the intersection of vertical part.
- 3. the magnetic circuit of loudspeaker according to claim 1 with U-shaped short-circuited conducting sleeve, it is characterised in that first ring Body carries out downwards U-shaped bending in end, is socketed on the upper end of vertical part afterwards；Second ring body carries out downwards U-shaped folding in end It is curved, the upper end of washer is socketed on afterwards.
- 4. the magnetic circuit of loudspeaker according to claim 1 with U-shaped short-circuited conducting sleeve, it is characterised in that first ring Body carries out downwards U-shaped bending in end, is socketed on the upper end of vertical part afterwards；Second ring body is socketed on the lower end of washer.
- 5. the magnetic circuit of loudspeaker according to claim 1 with U-shaped short-circuited conducting sleeve, it is characterised in that the vertical part exists Top forms projection laterally, and first ring body is socketed on the lower end of projection；Second ring body is socketed on the lower end of washer.
- A kind of 6. magnetic circuit of loudspeaker with U-shaped short-circuited conducting sleeve, it is characterised in that including U-iron, magnet steel, washer, voice coil loudspeaker voice coil and U-shaped short-circuited conducting sleeve, the U-iron include bottom and the convex portion for extending upwardly from the bottom portion out, and the magnet steel and washer are located at bottom Top, the width of the washer is more than the width of magnet steel；U iron clearance grooves, institute are formed between the magnet steel and washer and convex portion State voice coil loudspeaker voice coil and U-shaped short-circuited conducting sleeve is located in U iron clearance grooves；The U-shaped short-circuited conducting sleeve includes the first ring body and the second ring body, and the voice coil loudspeaker voice coil is located at the U that the first ring body is formed with the second ring body In shape groove, the voice coil loudspeaker voice coil can move up and down in U-lag；First ring body is socketed on magnet steel or washer, second ring Body is socketed on convex portion.
- 7. the magnetic circuit of loudspeaker according to claim 6 with U-shaped short-circuited conducting sleeve, it is characterised in that the U-shaped short circuit The bottom of ring is located at the bottom of U-iron and the intersection of convex portion.
- 8. the magnetic circuit of loudspeaker according to claim 6 with U-shaped short-circuited conducting sleeve, it is characterised in that first ring Body carries out downwards U-shaped bending in end, is socketed on the upper end of washer afterwards；Second ring body carries out downwards U-shaped folding in end It is curved, the upper end of convex portion is socketed on afterwards.
- 9. the magnetic circuit of loudspeaker according to claim 6 with U-shaped short-circuited conducting sleeve, it is characterised in that the convex portion exists Top convexes to form projection inward, and second ring body is socketed on the lower end of projection；First ring body carries out downwards U in end Shape bending, the upper end of washer is socketed on afterwards.
- 10. the magnetic circuit of loudspeaker according to claim 6 with U-shaped short-circuited conducting sleeve, it is characterised in that the convex portion exists Top convexes to form projection inward, and second ring body is socketed on the lower end of projection；First ring body is socketed under washer End.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721212523.8U CN207124762U (en) | 2017-09-21 | 2017-09-21 | A kind of magnetic circuit of loudspeaker with U-shaped short-circuited conducting sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721212523.8U CN207124762U (en) | 2017-09-21 | 2017-09-21 | A kind of magnetic circuit of loudspeaker with U-shaped short-circuited conducting sleeve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207124762U true CN207124762U (en) | 2018-03-20 |
Family
ID=61602200
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721212523.8U Withdrawn - After Issue CN207124762U (en) | 2017-09-21 | 2017-09-21 | A kind of magnetic circuit of loudspeaker with U-shaped short-circuited conducting sleeve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207124762U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107509147A (en) * | 2017-09-21 | 2017-12-22 | 惠州超声音响有限公司 | A kind of magnetic circuit of loudspeaker with U-shaped short-circuited conducting sleeve |
-
2017
- 2017-09-21 CN CN201721212523.8U patent/CN207124762U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107509147A (en) * | 2017-09-21 | 2017-12-22 | 惠州超声音响有限公司 | A kind of magnetic circuit of loudspeaker with U-shaped short-circuited conducting sleeve |
| GB2566827A (en) * | 2017-09-21 | 2019-03-27 | Premium Loudspeakers Hui Zhou Co Ltd | Loudspeaker magnetic circuit system having u-shaped short-circuit ring |
| GB2566827B (en) * | 2017-09-21 | 2019-12-18 | Tymphany Acoustic Tech Huizhou Co Ltd | Loudspeaker magnetic circuit system having u-shaped short-circuit ring |
| CN107509147B (en) * | 2017-09-21 | 2023-12-12 | 惠州迪芬尼声学科技股份有限公司 | Loudspeaker magnetic circuit system with U-shaped short circuit ring |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 516223 Difeni Industrial Park, Xinlian Village, Xinwei Town, Huiyang District, Huizhou City, Guangdong Province Patentee after: Huizhou Difenni Acoustic Technology Co.,Ltd. Address before: 516223 Difeni Industrial Park, Xinlian Village, Xinwei Town, Huiyang District, Huizhou City, Guangdong Province Patentee before: Huizhou Ultrasonic Sound Co.,Ltd. |
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| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20180320 Effective date of abandoning: 20231212 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20180320 Effective date of abandoning: 20231212 |