CN208079386U - A kind of highly sensitive mediant trumpet - Google Patents
A kind of highly sensitive mediant trumpet Download PDFInfo
- Publication number
- CN208079386U CN208079386U CN201820671756.2U CN201820671756U CN208079386U CN 208079386 U CN208079386 U CN 208079386U CN 201820671756 U CN201820671756 U CN 201820671756U CN 208079386 U CN208079386 U CN 208079386U
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- CN
- China
- Prior art keywords
- heat exchange
- coil
- heat
- air bag
- core
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Abstract
The utility model is related to loudspeaker technical fields,Specially a kind of highly sensitive mediant trumpet,The upper end of air bag is connected with the lower end of lower core,The side wall of the air bag is connected with multiple heat-dissipating pipes,Coil is under the action of electric current,Generate alternating magnetic field,Under the magnetic action of lower core and upper core,It is slided between lower core and upper core,When voice coil is to when sliding at lower core,Extruding gasbag,Cooling water is housed in air bag,So that cooling water passes through heat-dissipating pipe,Cool down to the surface of coil,When continuing to be pressed downward,Hydraulic pressure squeezes heat exchange bar,Heat exchange bar is displaced outwardly,It is contacted with voice coil,Further cool down to coil,While squeezing,Water can flow in heat exchange slot,Cool down to lower core,Then cool down to the inside of voice coil,Good cooling-down effect is reached,Improve sensitivity,Improve service life simultaneously,Heat sink with external environment for exchanging heat.
Description
Technical field
The utility model is related to loudspeaker technical field, specially a kind of highly sensitive mediant trumpet.
Background technology
Loudspeaker are a kind of very common electro-acoustic transducer devices, can see it in the electronic circuit spoken, loud speaker
It is a most weak device in electronic component, and for acoustics, it is a most important device again, is raised one's voice
The type of device is various, and price differs greatly, and audio electric energy makes its cone or diaphragm by electromagnetism, piezoelectricity or electrostatic effect
Vibration surrounding air causes sound equipment, the coil in existing loudspeaker to be directly sleeved on iron core, when coil connects circuit, generates heat
Amount, causes the temperature of coil to increase, and coil is powered when generating relative motion with iron core, generates frictional force, will also result in temperature
Rise, temperature increases, and reduces the magnetism of coil, reduces the sensitivity of loudspeaker, for this purpose, it is proposed that a kind of highly sensitive middle pitch loudspeaker
?.
Utility model content
It is mentioned above in the background art to solve the purpose of this utility model is to provide a kind of highly sensitive mediant trumpet
Problem.
To achieve the above object, the utility model provides the following technical solutions：
A kind of highly sensitive mediant trumpet, including frame, the inner cavity of the frame are equipped with voice coil, voice coil circumferentially around wired
Circle, the lower end of the voice coil are plugged with lower core, and the upper end of voice coil is plugged with upper core, and the upper end of the upper core is connected with rank
Iron, the middle part of the upper end connection diaphragm of armature, the both ends of the diaphragm are connected with the upper end both sides of frame, the diaphragm it is upper
End is connected with resonator by screw rod, and the inner bottom wall of the frame is connected with air bag, the upper end of air bag and the lower end phase of lower core
Connection, the side wall of the air bag are connected with multiple heat-dissipating pipes, and the other end of the heat-dissipating pipe is located at the side of coil, heat-dissipating pipe
Lateral wall is connected by strut and the madial wall of frame, and the heat-dissipating pipe is communicated with multiple sleeves close to the side wall of coil, described
Activity is plugged with heat exchange bar in sleeve, and the heat exchange bar is located at one end in sleeve and is connected with guide rod, the week of the guide rod
To spring is surrounded with, one end of spring is connect with heat exchange bar, and the other end of spring and the madial wall of heat-dissipating pipe connect.
Preferably, the lower end of the lower core offers multiple heat exchange slots, and the heat exchange slot is connected with air bag.
Preferably, the quantity more than three of the heat exchange slot, and multiple heat exchange slots are distributed in equidistant ring.
Preferably, the heat exchange bar is in convex structure, the distance between the coil and sleeve close to one end of coil
Less than the length of heat exchange bar.
Preferably, the quantity of the sleeve is more than six, and multiple sleeves positioned at the same side are isodistantly spaced arrangement.
Compared with prior art, the utility model has the beneficial effects that：This highly sensitive mediant trumpet is simple in structure, connects outer
When portion's power supply, coil generates alternating magnetic field, under the magnetic action of lower core and upper core, in lower iron under the action of electric current
It is slided between core and upper core, when voice coil is to when sliding at lower core, extruding gasbag, air bag is interior to be equipped with cooling water so that cooling
Water cools down to the surface of coil by heat-dissipating pipe, and when continuing to be pressed downward, hydraulic pressure squeezes heat exchange bar, and heat exchange bar is displaced outwardly,
It contacts with voice coil, further cools down to coil, while squeezing, water can flow in heat exchange slot, be dropped to lower core
Temperature then cools down to the inside of voice coil, has reached good cooling-down effect, improves sensitivity, while improving use
In the service life, heat sink with external environment for exchanging heat.
Description of the drawings
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is the portions the utility model A enlarged structure schematic diagram.
In figure：Frame 1, voice coil 2, coil 3, lower core 4, heat exchange slot 41, upper core 5, armature 6, diaphragm 7, resonator 8,
Air bag 9, heat sink 91, heat-dissipating pipe 10, sleeve 11, heat exchange bar 12, guide rod 13, spring 14.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
- 2 are please referred to Fig.1, the utility model provides a kind of technical solution：
A kind of highly sensitive mediant trumpet, including frame 1, the inner cavity of frame 1 are equipped with voice coil 2, voice coil 2 circumferentially around wired
Circle 3, the lower end of voice coil 2 is plugged with lower core 4, and the upper end of voice coil 2 is plugged with upper core 5, and the upper end of upper core 5 is connected with armature
6, the middle part of the upper end connection diaphragm 7 of armature 6, the both ends of diaphragm 7 are connected with the upper end both sides of frame 1, and the upper end of diaphragm 7 is logical
It crosses screw rod and is connected with resonator 8.
The inner bottom wall of frame 1 is connected with air bag 9, and the upper end of air bag 9 is connected with the lower end of lower core 4, under lower core 4
End offers multiple heat exchange slots 41, and heat exchange slot 41 is connected with air bag 9, convenient for the cooling inside voice coil 2, the quantity for the slot 41 that exchanges heat
More than three, and multiple heat exchange slots 41 are distributed in equidistant ring, heat dissipation is uniform, and the side wall of air bag 9 is connected with multiple heat-dissipating pipes 10,
The other end of heat-dissipating pipe 10 is located at the side of coil 3, and the lateral wall of heat-dissipating pipe 10 is connect by strut with the madial wall of frame 1,
Heat-dissipating pipe 10 is communicated with multiple sleeves 11 close to the side wall of coil 3, and the quantity of sleeve 11 is more than six, and positioned at the more of the same side
A sleeve 11 is isodistantly spaced arrangement, Homogeneouslly-radiating, in sleeve 11 activity be plugged with heat exchange bar 12, heat exchange bar 12 is close to coil 3
One end is in convex structure, and no corner angle reduce collision to loss caused by coil 3, and the distance between coil 3 and sleeve 11 are less than
The length of heat exchange bar 12, for heat exchange bar 12 without departing from sleeve 11, one end that heat exchange bar 12 is located in sleeve 11 is connected with guide rod
13, guide rod 13 circumferentially around there is a spring 14, one end of spring 14 is connect with heat exchange bar 12, the other end of spring 14 and heat dissipation
The madial wall of pipe 10 connects.
This highly sensitive mediant trumpet is simple in structure, and when connecting external power supply, coil 3 generates alternation under the action of electric current
Magnetic field is slided under the magnetic action of lower core 4 and upper core 5 between lower core 4 and upper core 5, when 2 downward iron of voice coil
When being slided at core 4, extruding gasbag 9, air bag 9 is interior to be equipped with cooling water so that cooling water is by heat-dissipating pipe 10, to the surface of coil 3
Cool down, when continuing to be pressed downward, hydraulic pressure squeezes heat exchange bar 12, and heat exchange bar 12 is displaced outwardly, is contacted with voice coil 2, further right
Coil 3 cools down, and while squeezing, water can flow in heat exchange slot 41, cool down to lower core 4, then to voice coil 2
Inside cools down, and has reached good cooling-down effect, improves sensitivity, while improving service life, and heat sink 91 is used
It exchanges heat in external environment.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is appreciated that can these embodiments be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of highly sensitive mediant trumpet, including frame (1), it is characterised in that：The inner cavity of the frame (1) is equipped with voice coil (2),
Voice coil (2) circumferentially around thering is coil (3), the lower end of the voice coil (2) to be plugged with lower core (4), the upper end grafting of voice coil (2)
There are upper core (5), the upper end of the upper core (5) to be connected with armature (6), the upper end of armature (6) connects the middle part of diaphragm (7),
The both ends of the diaphragm (7) are connected with the upper end both sides of frame (1), and the upper end of the diaphragm (7) is connected with altogether by screw rod
Ring plate (8), and the inner bottom wall of the frame (1) is connected with air bag (9), and the upper end of air bag (9) is connected with the lower end of lower core (4)
It connects, the side wall of the air bag (9) is connected with multiple heat-dissipating pipes (10), and the other end of the heat-dissipating pipe (10) is located at coil (3)
The lateral wall of side, heat-dissipating pipe (10) is connect by strut with the madial wall of frame (1), and the heat-dissipating pipe (10) is close to coil
(3) side wall is communicated with multiple sleeves (11), and the interior activity of the sleeve (11) is plugged with heat exchange bar (12), the heat exchange bar (12)
One end in sleeve (11) is connected with guide rod (13), the guide rod (13) circumferentially around having spring (14), spring
(14) one end is connect with heat exchange bar (12), and the other end of spring (14) is connect with the madial wall of heat-dissipating pipe (10).
2. a kind of highly sensitive mediant trumpet according to claim 1, it is characterised in that：It opens the lower end of the lower core (4)
Equipped with multiple heat exchange slots (41), the heat exchange slot (41) is connected with air bag (9).
3. a kind of highly sensitive mediant trumpet according to claim 2, it is characterised in that：The quantity of the heat exchange slot (41) is more
In three, and multiple heat exchange slots (41) are distributed in equidistant ring.
4. a kind of highly sensitive mediant trumpet according to claim 1, it is characterised in that：The heat exchange bar (12) is close to coil
(3) one end is in convex structure, and the distance between the coil (3) and sleeve (11) are less than the length of heat exchange bar (12).
5. a kind of highly sensitive mediant trumpet according to claim 1, it is characterised in that：The quantity of the sleeve (11) is more than
Six, and multiple sleeves (11) positioned at the same side are isodistantly spaced arrangement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820671756.2U CN208079386U (en) | 2018-05-08 | 2018-05-08 | A kind of highly sensitive mediant trumpet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820671756.2U CN208079386U (en) | 2018-05-08 | 2018-05-08 | A kind of highly sensitive mediant trumpet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208079386U true CN208079386U (en) | 2018-11-09 |
Family
ID=64045571
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820671756.2U Expired - Fee Related CN208079386U (en) | 2018-05-08 | 2018-05-08 | A kind of highly sensitive mediant trumpet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208079386U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112309184A (en) * | 2020-11-13 | 2021-02-02 | 湖北理工学院 | Demonstration instrument for teaching outline of Chinese near-current era |
| CN113453129A (en) * | 2021-07-08 | 2021-09-28 | 嘉善凯斯电子股份有限公司 | High-sensitivity mediant loudspeaker |
-
2018
- 2018-05-08 CN CN201820671756.2U patent/CN208079386U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112309184A (en) * | 2020-11-13 | 2021-02-02 | 湖北理工学院 | Demonstration instrument for teaching outline of Chinese near-current era |
| CN113453129A (en) * | 2021-07-08 | 2021-09-28 | 嘉善凯斯电子股份有限公司 | High-sensitivity mediant loudspeaker |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190806 Address after: 610299 South Street, Gaoshengqiao, Wuhou District, Chengdu City, Sichuan Province, 2/F, No. 55 Patentee after: Sichuan Mekalai Auto Parts Co.,Ltd. Address before: 314211 Yanchibang 7, Pailou Village, Xinda Town, Pinghu City, Jiaxing City, Zhejiang Province Patentee before: Shen Chuanming |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181109 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |