CN209824009U - Loudspeaker compression driver with double voice coil diaphragms - Google Patents
Loudspeaker compression driver with double voice coil diaphragms Download PDFInfo
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- CN209824009U CN209824009U CN201921007211.2U CN201921007211U CN209824009U CN 209824009 U CN209824009 U CN 209824009U CN 201921007211 U CN201921007211 U CN 201921007211U CN 209824009 U CN209824009 U CN 209824009U
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- voice coil
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- 230000006835 compression Effects 0.000 title claims abstract description 30
- 238000007906 compression Methods 0.000 title claims abstract description 30
- 230000009977 dual effect Effects 0.000 claims description 12
- 230000004907 flux Effects 0.000 claims description 7
- 230000035945 sensitivity Effects 0.000 abstract description 8
- 230000002035 prolonged effect Effects 0.000 abstract description 4
- 230000006872 improvement Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 4
- 238000004804 winding Methods 0.000 description 4
- 230000005520 electrodynamics Effects 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
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- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Abstract
The utility model discloses a speaker compression driver of two voice coil loudspeaker voice coil diaphragms, including the driver body, the top of driver body is provided with the back shroud, and the back shroud is toper round platform column structure, be provided with the first magnetic circuit group that is the annular structure and distributes on the back shroud top inner wall, and be provided with the second magnetic circuit group that is the annular structure and distributes on the back shroud is close to first magnetic circuit group under the inner wall, be provided with voice coil loudspeaker voice coil diaphragm subassembly on the inner wall between first magnetic circuit group and the second magnetic circuit group, and voice coil loudspeaker voice coil diaphragm subassembly is circular-arc structure, be provided with the phase plug on the bottom inner wall of voice coil loudspeaker voice coil diaphragm subassembly. The utility model discloses make the bearing power of speaker compression driver obtain effectual promotion, make the characteristic sensitivity of speaker compression driver improve simultaneously, can effectually satisfy daily demand of using, prolonged the life of speaker simultaneously for the life of speaker component has obtained effectual extension.
Description
Technical Field
The utility model relates to a speaker compressor technical field especially relates to a speaker compression driver of two voice coil loudspeaker voice coil diaphragms.
Background
The design of the compression driver of the horn speaker in the dynamic speaker system is a mature technology, and through the improvement of the recent hundred years, besides the application of novel materials, the structural improvement has few breakthroughs, and the improvement of various performances is difficult.
However, due to the needs of the scientific and technological development of the modern society, the requirements on the sensitivity and the bearing power of the compression driver of the electrodynamic horn speaker are higher and higher, the application improvement of the novel material cannot meet the requirements, and the structural improvement needs a new breakthrough. Therefore, it is desirable to design a dual voice coil diaphragm loudspeaker compression driver to solve the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a shortcoming in order to solve existing among the prior art, and the speaker compression driver of a two voice coil loudspeaker voice coil diaphragms that proposes.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a two voice coil loudspeaker voice coil diaphragm's speaker compression driver, includes the driver body, the top of driver body is provided with the back shroud, and the back shroud is toper round platform column structure, be provided with the first magnetic circuit group that is the annular structure and distributes on the inner wall of back shroud top, and be provided with the second magnetic circuit group that is the annular structure and distributes on the back shroud is close to the inner wall under the first magnetic circuit group, be provided with voice coil loudspeaker voice diaphragm subassembly on the inner wall between first magnetic circuit group and the second magnetic circuit group, and voice coil loudspeaker voice coil diaphragm subassembly is circular-arc structure, be provided with the phase plug on the bottom inner wall of voice coil loudspeaker voice coil diaphragm subassembly, and the phase plug is located the arcuation recess of voice coil loudspeaker voice coil diaphragm subassembly, voice coil loudspeaker voice coil diaphragm subassembly has seted up the sound output under being close to the phase plug, and the sound output is located the.
Further, voice coil loudspeaker voice coil diaphragm subassembly includes the diaphragm, the diaphragm is circular-arc structure, and bonds on the top outer wall of diaphragm and has first voice coil loudspeaker voice coil, it has the second voice coil loudspeaker voice coil to bond on the diaphragm is close to the outer wall under first voice coil loudspeaker voice coil.
Furthermore, mutually perpendicular between first voice coil loudspeaker voice coil and the second voice coil loudspeaker voice coil, and first voice coil loudspeaker voice coil is located the second voice coil loudspeaker voice coil directly over, the specification of first voice coil loudspeaker voice coil is the same with the specification of second voice coil loudspeaker voice coil, and the input polarity of first voice coil loudspeaker voice coil and second voice coil loudspeaker voice coil is opposite.
Furthermore, the first magnetic circuit group is positioned right above the second magnetic circuit group, the first magnetic circuit group and the second magnetic circuit group are perpendicular to each other, and the specification of the second magnetic circuit group is multiple of that of the first magnetic circuit group.
Furthermore, the magnetizing directions of the first magnetic circuit group and the second magnetic circuit group are the same, and the magnetic flux density in the magnetic gap of the first magnetic circuit group is the same as that in the magnetic gap of the second magnetic circuit group.
Furthermore, first voice coil loudspeaker voice coil and second voice coil loudspeaker voice coil are the ring form structure, and the specification looks adaptation of first voice coil loudspeaker voice coil, second voice coil loudspeaker voice coil and diaphragm.
The utility model has the advantages that:
1. through the voice coil diaphragm subassembly that sets up for the power that bears of speaker compression driver has obtained effectual promotion, makes the characteristic sensitivity of speaker compression driver improve simultaneously, can effectually satisfy daily demand of using, has prolonged the life of speaker simultaneously, avoids appearing because the speaker bears the lower condition that leads to damaging of power.
2. Through the back shroud that sets up, when the inside of back shroud is installed to speaker subassembly, certain guard action to internal component that can be fine for the life of speaker component has obtained effectual extension, makes the speaker more firm simultaneously, avoids because the internal component protects unfavorable and leads to the lower condition appearance of life of speaker.
3. Through the first voice coil loudspeaker voice coil, the second voice coil loudspeaker voice coil, first magnetic circuit group and the second magnetic circuit group that set up, the acoustic pressure output that can effectual promotion speaker makes the bearing power and the sensitivity of speaker obtain the improvement simultaneously, has satisfied the demand of daily use, avoids leading to the not good condition of result of use to appear because speaker acoustic pressure output is lower.
Drawings
Fig. 1 is a schematic structural diagram of a loudspeaker compression driver with a dual voice coil diaphragm according to the present invention;
fig. 2 is a schematic structural view of a voice coil diaphragm assembly of a dual voice coil diaphragm loudspeaker compression driver according to the present invention;
fig. 3 is a schematic diagram of a diaphragm structure of a loudspeaker compression driver with a dual voice coil diaphragm according to the present invention;
fig. 4 is a schematic diagram of a first voice coil structure of a loudspeaker compression driver with a dual voice coil diaphragm according to the present invention;
fig. 5 is a schematic diagram of a second voice coil structure of a loudspeaker compression driver with a dual voice coil diaphragm according to the present invention.
In the figure: the loudspeaker comprises a driver body 1, a rear cover 2, a first magnetic circuit group 3, a voice coil diaphragm assembly 4, a phase plug 5, a sound output port 6, a diaphragm 7, a first voice coil 8, a second voice coil 9 and a second magnetic circuit group 10.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1 to 5, a loudspeaker compression driver with a dual voice coil diaphragm includes a driver body 1, a back cover 2 is disposed on the top of the driver body 1, the back cover 2 is in a cone-frustum-shaped structure, the back cover 2 is disposed so that when the loudspeaker assembly is mounted inside the back cover, the loudspeaker assembly can well protect internal components, so that the service life of the loudspeaker component is effectively prolonged, and the loudspeaker is firmer and more reliable, a first magnetic circuit group 3 distributed in an annular structure is disposed on the inner wall of the top of the back cover 2, a second magnetic circuit group 10 distributed in an annular structure is disposed on the inner wall of the back cover 2 under the first magnetic circuit group 3, a diaphragm assembly 4 is disposed on the inner wall between the first magnetic circuit group 3 and the second magnetic circuit group 10, the diaphragm assembly 4 is in an arc-shaped structure, a phase plug 5 is disposed on the inner wall of the bottom of the voice coil diaphragm assembly 4, and phase place stopper 5 is located the arcuation recess of voice coil loudspeaker voice coil diaphragm subassembly 4, and voice coil loudspeaker voice coil diaphragm subassembly 4 is equipped with sound output 6 near the under of phase place stopper 5, and sound output 6 is located the axle center department of rear cover 2 bottom, and sound output 6 is the toper structure, can effectually promote the output of acoustic pressure.
Further, voice coil loudspeaker voice coil diaphragm subassembly 4 includes diaphragm 7, diaphragm 7 is circular-arc structure, and it has first voice coil loudspeaker voice coil 8 to bond on the top outer wall of diaphragm 7, diaphragm 7 is close to first voice coil loudspeaker voice coil 8 and has bonded on the outer wall under, voice coil loudspeaker voice coil diaphragm subassembly 4's setting, make the bearing power of speaker compression driver obtain effectual promotion, make the characteristic sensitivity of speaker compression driver improve simultaneously, can effectually satisfy daily use's demand, the life of speaker has been prolonged simultaneously, avoid because the speaker bears the lower condition appearance that leads to the damage of power.
Further, mutually perpendicular between first voice coil 8 and the second voice coil 9, and first voice coil 8 is located second voice coil 9 directly over, first voice coil 8's specification and second voice coil 9's specification are the same, and first voice coil 8 and second voice coil 9's input polarity are opposite, first voice coil 8 and second voice coil 9's setting, can make the bearing power of speaker obtain promoting, can play certain fixed effect to diaphragm 7 simultaneously, the condition that the slippage appears in diaphragm 7 when effectual having prevented daily use, demand when having satisfied daily use.
Further, first magnetic circuit group 3 is located second magnetic circuit group 10 directly over, and mutually perpendicular between first magnetic circuit group 3 and the second magnetic circuit group 10, and the specification of second magnetic circuit group 10 is 2 times of first magnetic circuit group 3 specification, and the setting of two magnetic circuit groups for the bearing power and the sensitivity of speaker have obtained the promotion, can make the acoustic pressure output bigger simultaneously.
Furthermore, the magnetizing directions of the first magnetic path group 3 and the second magnetic path group 10 are the same, the magnetic flux density in the magnetic gap of the first magnetic path group 3 is the same as the magnetic flux density in the magnetic gap of the second magnetic path group 10, the magnetic flux densities of the magnetic gaps of the first magnetic path group 3 and the second magnetic path group 10 are the same, and the winding lengths of the voice coils are the same, so that the winding length is doubled according to the principle of an electrodynamic loudspeaker, and the characteristic sensitivity can be doubled.
Further, first voice coil loudspeaker voice coil 8 is the ring form structure with second voice coil loudspeaker voice coil 9, and the specification looks adaptation of first voice coil loudspeaker voice coil 8, second voice coil loudspeaker voice coil 9 and diaphragm 7, and first voice coil loudspeaker voice coil 8 is the ring form with second voice coil loudspeaker voice coil 9 and can be fine plays certain fixed effect to diaphragm 7, makes the bearing power of speaker obtain effectual promotion simultaneously for the acoustic pressure output has obtained the improvement, demand when can satisfying daily use.
The working principle is as follows: when the loudspeaker compression driver with the double voice coil diaphragms is used, the voice coil diaphragm assembly 4 is formed by respectively bonding a first voice coil 8 and a second voice coil 9 on the front face and the back face of a diaphragm 7, the input polarities of the first voice coil 8 and the second voice coil 9 are opposite, the top and the bottom of the voice coil diaphragm assembly 4 are respectively provided with a first magnetic circuit assembly 3 and a second magnetic circuit assembly 10, the magnetizing directions of the first magnetic circuit assembly 3 and the second magnetic circuit assembly 10 are consistent, the first voice coil 8 and the second voice coil 9 are respectively inserted into magnetic gaps of the first magnetic circuit assembly 3 and the second magnetic circuit assembly 10 to form a core of a novel compression driver, the first voice coil 8 and the second voice coil 9 of the voice coil diaphragm assembly 4 are in accordance with polarities, when audio voltage is input simultaneously, the generated magnetic force lines interact with the magnetic gaps of the first magnetic circuit assembly 3 and the second magnetic circuit assembly 10 to generate thrust, the voice coil diaphragm is jointly pushed to output, and the loudspeaker compression driver is characterized in that a group of voice coil is additionally arranged, The magnetic flux density of the magnetic gaps of the two sets of magnetic circuit system groups is approximately the same, and the winding lengths of the voice coil are approximately equal, so that the winding length is doubled according to the electrodynamic loudspeaker principle, and the characteristic sensitivity can be doubled.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. A loudspeaker compression driver with double voice coil diaphragms comprises a driver body (1) and is characterized in that a rear cover (2) is arranged at the top of the driver body (1), the rear cover (2) is of a cone-shaped round platform structure, a first magnetic circuit group (3) distributed in an annular structure is arranged on the inner wall of the top of the rear cover (2), a second magnetic circuit group (10) distributed in an annular structure is arranged on the inner wall of the rear cover (2) close to the position under the first magnetic circuit group (3), a voice coil diaphragm assembly (4) is arranged on the inner wall between the first magnetic circuit group (3) and the second magnetic circuit group (10), the voice coil diaphragm assembly (4) is of an arc-shaped structure, a phase plug (5) is arranged on the inner wall of the bottom of the voice coil diaphragm assembly (4), the phase plug (5) is located in an arc-shaped groove of the voice coil diaphragm assembly (4), a sound output port (6) is formed in the position under the voice coil diaphragm assembly (4) close to the phase plug (5), and the sound output port (6) is positioned at the axis of the bottom of the rear cover (2).
2. The dual voice coil diaphragm loudspeaker compression driver as claimed in claim 1, wherein the voice coil diaphragm assembly (4) comprises a diaphragm (7), the diaphragm (7) is of a circular arc structure, a first voice coil (8) is bonded to the outer wall of the top of the diaphragm (7), and a second voice coil (9) is bonded to the outer wall of the diaphragm (7) under the first voice coil (8).
3. A dual voice coil diaphragm loudspeaker compression driver as claimed in claim 2, wherein the first voice coil (8) and the second voice coil (9) are perpendicular to each other, the first voice coil (8) is located directly above the second voice coil (9), the first voice coil (8) and the second voice coil (9) have the same dimensions, and the input polarities of the first voice coil (8) and the second voice coil (9) are opposite.
4. A dual voice coil diaphragm loudspeaker compression driver as claimed in claim 1, wherein the first magnetic circuit group (3) is located directly above the second magnetic circuit group (10), and the first magnetic circuit group (3) and the second magnetic circuit group (10) are perpendicular to each other, and the second magnetic circuit group (10) has a size 2 times that of the first magnetic circuit group (3).
5. A dual voice coil diaphragm loudspeaker compression driver as claimed in claim 1, wherein the first magnetic circuit group (3) and the second magnetic circuit group (10) are magnetized in the same direction, and the magnetic flux density in the magnetic gap of the first magnetic circuit group (3) is the same as the magnetic flux density in the magnetic gap of the second magnetic circuit group (10).
6. A dual voice coil diaphragm loudspeaker compression driver as claimed in claim 2, characterised in that the first voice coil (8) and the second voice coil (9) are of circular ring configuration, and the first voice coil (8) and the second voice coil (9) are adapted to the specification of the diaphragm (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921007211.2U CN209824009U (en) | 2019-07-01 | 2019-07-01 | Loudspeaker compression driver with double voice coil diaphragms |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921007211.2U CN209824009U (en) | 2019-07-01 | 2019-07-01 | Loudspeaker compression driver with double voice coil diaphragms |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209824009U true CN209824009U (en) | 2019-12-20 |
Family
ID=68885018
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921007211.2U Expired - Fee Related CN209824009U (en) | 2019-07-01 | 2019-07-01 | Loudspeaker compression driver with double voice coil diaphragms |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209824009U (en) |
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2019
- 2019-07-01 CN CN201921007211.2U patent/CN209824009U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191220 |