CN108650602A - A kind of thin high-power acoustic actuator - Google Patents
A kind of thin high-power acoustic actuator Download PDFInfo
- Publication number
- CN108650602A CN108650602A CN201810859739.6A CN201810859739A CN108650602A CN 108650602 A CN108650602 A CN 108650602A CN 201810859739 A CN201810859739 A CN 201810859739A CN 108650602 A CN108650602 A CN 108650602A
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- China
- Prior art keywords
- slice
- locating branch
- thin
- branch slice
- power acoustic
- Prior art date
- 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.)
- Granted
Links
- 229920001971 elastomer Polymers 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 4
- 239000004433 Thermoplastic polyurethane Substances 0.000 claims description 3
- RIRXDDRGHVUXNJ-UHFFFAOYSA-N [Cu].[P] Chemical compound [Cu].[P] RIRXDDRGHVUXNJ-UHFFFAOYSA-N 0.000 claims description 3
- DMFGNRRURHSENX-UHFFFAOYSA-N beryllium copper Chemical compound [Be].[Cu] DMFGNRRURHSENX-UHFFFAOYSA-N 0.000 claims description 3
- 239000011521 glass Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 239000007769 metal material Substances 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- 229920003023 plastic Polymers 0.000 claims description 3
- 229920002803 thermoplastic polyurethane Polymers 0.000 claims description 3
- 239000000853 adhesive Substances 0.000 claims description 2
- 230000001070 adhesive effect Effects 0.000 claims description 2
- 239000000806 elastomer Substances 0.000 claims description 2
- 230000005855 radiation Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000001680 brushing effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/06—Loudspeakers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/02—Details
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2400/00—Loudspeakers
- H04R2400/11—Aspects regarding the frame of loudspeaker transducers
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Abstract
The present invention relates to a kind of thin high-power acoustic actuator, including frame, U-shaped conductive magnetic yoke, magnet, magnetic pole core, voice coil, the first locating branch slice, the second locating branch slice and carrier ring.The arc ring that at least one raises up between first locating branch slice both ends, second locating branch slice is identical by two chip architectures, thin slice extends frame quadrangle of going directly to frame outer and forms two pairs of connection terminals respectively, after connection terminal accesses signal, voice coil can push carrier ring to vibrate, it is arranged on arbitrary flat thin plate when closely connecting carrier ring, flat thin plate can be pushed to radiate sound in air.According to scheme provided by the invention, stability and reliability that voice coil pushes carrier ring and flat thin plate thereon can be significantly enhanced, multiple thin high-power drivers may be used when necessary and push approximately the same plane thin plate radiation sound, be suitable for flat-panel display devices and other particular applications.
Description
Technical field
It is specifically a kind of suitable for using in the audio ＆ video equipments such as panel TV set the present invention relates to a kind of driver
Thin high-power acoustic actuator, belongs to electroacoustic techniques field.
Background technology
In the prior art, it is applied to the speaker of large-scale LCD television set, it is desirable that sound pressure level is high, sound quality is good, the sound field uniformity
It is good, generally use the acoustic construction of multiple loud speaker composition speakers to design to meet whole set of television requirement.With OLED, ULED etc.
Screen is more thinned the technology development of TV, and mating loudspeaker acoustic enclosure product requires thinner naturally for it, in order to ensure
This kind of high-end TV complete machine pursues the aesthetics of narrow frame, by loud speaker be arranged video screen surrounding traditional approach no longer
It is applicable in.Therefore, seek it is a kind of slimming, acoustical behavior it is preferable, be mountable to the back side of panel TV set screen glass plate, or
The electro-acoustic element at the back side of plastics machine coverboard becomes the active demand of household appliances manufacturer.
Practical content
It is an object of the present invention to overcome the shortcomings of the prior art and provide a kind of thin high-power acoustic actuator,
Simple and compact for structure, medium-high frequency audio is excellent, easy for installation, and expansion is high with reliability.
According to technical solution provided by the invention：Thin high-power acoustic actuator, it is characterised in that：Including a frame, frame
U-shaped conductive magnetic yoke is inside installed, the top of U-shaped conductive magnetic yoke is flushed with frame upper base surface；
The upper base surface of U-shaped conductive magnetic yoke is provided with magnet, magnetic pole core is provided at the top of magnet, voice coil suspension setting exists
In the magnetic gap that magnet and magnetic pole outer core are formed with U-shaped conductive magnetic yoke inner wall；
It is arranged above the first locating branch slice and the second locating branch slice, the first locating branch slice setting in U-shaped conductive magnetic yoke
In the surface of the second locating branch slice,
Outer one end lower surface of first locating branch slice and outer one end upper surface of the second locating branch slice are combined closely, fitting
Part is closely connect with the step upper surface of frame together；
The other end lower surface of first locating branch slice is then combined closely with the other end upper surface of the second locating branch slice, the portion of fitting
Divide and is closely connect with the outer wall of voice coil together；
Carrier ring is provided at the top of voice coil, any form of flat thin plate is arranged in the top of carrier ring.
Improvement to above-mentioned technical proposal, at least one arc to raise up folding between the first locating branch slice both ends
Ring.
Improvement to above-mentioned technical proposal, the first locating branch slice is by elastic rubber or Thermoplastic polyurethane elastomer material system
At.
Improvement to above-mentioned technical proposal, U-shaped conductive magnetic yoke are combined closely with frame using interference fit type,
Improvement to above-mentioned technical proposal, the inner wall of voice coil and magnet and the outer wall of magnetic pole core keep a fixed gap, voice coil it is outer
Wall and the inner wall of U-shaped conductive magnetic yoke keep certain gap；
Improvement to above-mentioned technical proposal, the second locating branch slice is identical by two chip architectures, the left thin slice of symmetrical thin slice, right thin
Piece forms, and two plate sheets extend frame quadrangle of going directly to frame outer respectively, forms two pairs of connection terminal first terminals, second ends
Son, third terminal, forth terminal.
Improvement to above-mentioned technical proposal, the thin slice of the second locating branch slice with mutually be not connected to be connected, by elastic metallic material
Beryllium copper, phosphor-copper are made.
The truncation surface of improvement to above-mentioned technical proposal, carrier ring is T-shaped, and the dome top surface of carrier ring is painted with glue
Glutinous agent, the bottom lower surface of flat thin plate and the dome top surface of carrier ring are combined closely in a manner of glued.
One or more thin high-power sound can be arranged in the bottom of improvement to above-mentioned technical proposal, flat thin plate
Driver.
Improvement to above-mentioned technical proposal, flat thin plate are made of the thin glass or plastics that can generate deformation.
The advantage of the invention is that：
The configuration of the present invention is simple is compact, ingenious in design reasonable, easy for installation, and the first locating branch slice and the setting of the second locating branch slice exist
Voice coil outer wall enhances stability and reliability that voice coil pushes carrier ring and flat thin plate thereon, utilizes flat thin
Plate radiates medium-high frequency sound, while being effectively reduced product thickness again, is suitable for flat-panel display devices and other special applications fields
It closes.
Description of the drawings
Fig. 1 is the structural schematic diagram of the preferred embodiment of the present invention.
Fig. 2 is the decomposition diagram of the preferred embodiment of the present invention.
Fig. 3 is the sectional axonometric drawing of the preferred embodiment of the present invention.
Fig. 4 is the structural schematic diagram of the second locating branch slice in the preferred embodiment of the present invention.
Fig. 5 is the scheme of installation of the first locating branch slice, the second locating branch slice in the preferred embodiment of the present invention.
The positions Fig. 6 preferred embodiment of the present invention is mounted on the schematic diagram on flat thin plate.
Specific implementation mode
With reference to specific drawings and examples, the invention will be further described.
As shown in Fig. 1 ~ Fig. 3, the high-power slim acoustic actuator in embodiment, mainly by including frame 1, U-shaped magnetic conduction
Yoke 2, magnet 3, magnetic pole core 4, the first locating branch slice 5, the second locating branch slice 6, voice coil 7 and carrier ring 8 form, peace in frame 1
Equipped with U-shaped conductive magnetic yoke 2, U-shaped conductive magnetic yoke 2 is combined closely with frame 1 using interference fit type, the top of U-shaped conductive magnetic yoke 2 and basin
1 upper base surface of frame flushes.The upper base surface of U-shaped conductive magnetic yoke 2 is provided with magnet 3, the top of magnet 3 is provided with magnetic pole
Core 4, voice coil 7, which suspends, to be arranged in the magnetic gap of magnet 3 and 4 outer wall of magnetic pole core with 2 inner wall of U-shaped conductive magnetic yoke composition, voice coil 7 it is interior
Wall keeps a fixed gap, the outer wall of voice coil 7 and the inner wall of U-shaped conductive magnetic yoke 2 to keep centainly with magnet 3 and the outer wall of magnetic pole core 4
Gap.It is arranged above the first locating branch slice 5 and the second locating branch slice 6, first locating branch slice 5 in U-shaped conductive magnetic yoke 2
It is arranged in the surface of the second locating branch slice 6, outer one end lower surface of the first locating branch slice 5 is outer with the second locating branch slice 6
It combines closely along one end upper surface, is closely connect with the step upper surface of frame 1 together, under the other end of the first locating branch slice 5
Other end upper surface of the surface then with the second locating branch slice 6 is combined closely, and is closely connect with the outer wall of voice coil 7 together.In voice coil 7
Top be provided with carrier ring 8, the top of carrier ring 8, which can be arranged, can generate plane of deformation thin plate 9.
As shown in Fig. 1 ~ Fig. 3, the arc that at least one raises up between 5 both ends of the first locating branch slice in embodiment is rolled over
Ring 5.1 is typically provided with two arc rings 5.1,5.2, and the first locating branch slice 5 is by elastic rubber or thermoplastic polyurethane elastic
Body material is made.
As shown in Fig. 1 ~ Fig. 6, the second locating branch slice 6 is identical by two chip architectures in embodiment, and a symmetrical thin slice left side is thin
Piece 6.3, right thin slice 6.6 form, and two plate sheets 6.3,6.6 extend 1 four jiaos of frame of going directly to 1 outer of frame respectively, form two pairs
Connection terminal first terminal 6.1, Second terminal 6.2（The two forms a pair）, third terminal 6.4, forth terminal 6.5（This two
Person forms a pair）.The thin slice 6.3 and 6.6 of second locating branch slice is in an arm, is mutually not connected to be connected, by elastic metallic material beryllium
Copper, phosphor-copper are made.
As shown in Fig. 1 ~ Fig. 5,8 truncation surface of carrier ring in embodiment is T-shaped, and the dome top surface brushing of carrier ring 8
There are adhesive, the bottom lower surface of flat thin plate to combine closely in a manner of glued with the dome top surface of carrier ring 8.When even
After connecting terminal 6.1,6.4 or 6.1,6.5 or 6.2,6.4 or 6.2,6.5 accesses signal, voice coil 7 can push carrier ring 8 to vibrate,
When by carrier ring 8, closely connection is arranged on flat thin plate 9, promotion flat thin plate 9 is whole to radiate sound in air.
One or more thin high-power acoustic actuators can be arranged in the bottom of flat thin plate 9.
It should be noted last that the above specific implementation mode is merely illustrative of the technical solution of the present invention and unrestricted,
Although being described the invention in detail with reference to example, it will be understood by those of ordinary skill in the art that, it can be to the present invention
Technical solution be modified or replaced equivalently, without departing from the spirit of the technical scheme of the invention and range, should all cover
In the scope of the claims of the present invention.
Claims (10)
1. thin high-power acoustic actuator, it is characterised in that：Including a frame（1）, frame（1）U-shaped conductive magnetic yoke is inside installed
（2）, U-shaped conductive magnetic yoke（2）Top and frame（1）Upper base surface flushes；
In U-shaped conductive magnetic yoke（2）Upper base surface be provided with magnet（3）, in magnet（3）Top be provided with magnetic pole core（4）, sound
Circle（7）It suspends and is arranged in magnet（3）And magnetic pole core（4）Outer wall and U-shaped conductive magnetic yoke（2）In the magnetic gap of inner wall composition；
In U-shaped conductive magnetic yoke（2）Be arranged above the first locating branch slice（5）With the second locating branch slice（6）, first positioning
Branch piece（5）It is arranged in the second locating branch slice（6）Surface,
First locating branch slice（5）Outer one end lower surface and the second locating branch slice（6）Outer one end upper surface combine closely,
The part of fitting together with frame（1）Step upper surface closely connect；
First locating branch slice（5）Other end lower surface then with the second locating branch slice（6）Other end upper surface combine closely, paste
The part of conjunction together with voice coil（7）Outer wall closely connect；
In voice coil（7）Top be provided with carrier ring（8）, carrier ring（8）Top any form of flat thin plate is set
（9）.
2. thin high-power acoustic actuator as described in claim 1, it is characterised in that：First locating branch slice（5）Two
The arc ring that at least one raises up between end（5.1）.
3. thin high-power acoustic actuator as described in claim 1, it is characterised in that：First locating branch slice（5）By
Elastic rubber or Thermoplastic polyurethane elastomer material are made.
4. thin high-power acoustic actuator as described in claim 1, it is characterised in that：U-shaped conductive magnetic yoke（2）With frame（1）
It is combined closely using interference fit type.
5. thin high-power acoustic actuator as described in claim 1, it is characterised in that：Voice coil（7）Inner wall and magnet（3）
And magnetic pole core（4）Outer wall keep a fixed gap, voice coil（7）Outer wall and U-shaped conductive magnetic yoke（2）Inner wall keep certain sky
Gap.
6. thin high-power acoustic actuator as described in claim 1, it is characterised in that：Second locating branch slice（6）By two panels
Structure is identical, the symmetrical left thin slice of thin slice（6.3）, right thin slice（6.6）Composition, two plate sheets are respectively to frame（1）Outer
Extend frame of going directly（1）Quadrangle forms two pairs of connection terminal first terminals（6.1）, Second terminal（6.2）, third terminal
（6.4）, forth terminal（6.5）.
7. thin high-power acoustic actuator as described in claim 1, it is characterised in that：The thin slice of second locating branch slice
（6.3）With（6.6）It mutually is not connected to be connected, be made of elastic metallic material beryllium copper, phosphor-copper.
8. thin high-power acoustic actuator as described in claim 1, it is characterised in that：Carrier ring（8）Truncation surface be in T
Shape, and carrier ring（8）Dome top surface be painted with adhesive, flat thin plate（9）Bottom lower surface and carrier ring（8）'s
Dome top surface is combined closely in a manner of glued.
9. thin high-power acoustic actuator as described in claim 1, it is characterised in that：The flat thin plate（9）Bottom
One or more thin high-power acoustic actuators can be arranged in portion.
10. thin high-power acoustic actuator as described in claim 1, it is characterised in that：The flat thin plate（9）By can
The thin glass or plastics for generating deformation are made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810859739.6A CN108650602B (en) | 2018-08-01 | 2018-08-01 | Thin high-power sound exciter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810859739.6A CN108650602B (en) | 2018-08-01 | 2018-08-01 | Thin high-power sound exciter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108650602A true CN108650602A (en) | 2018-10-12 |
| CN108650602B CN108650602B (en) | 2023-08-01 |
Family
ID=63760673
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810859739.6A Active CN108650602B (en) | 2018-08-01 | 2018-08-01 | Thin high-power sound exciter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108650602B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110418250A (en) * | 2019-08-29 | 2019-11-05 | 无锡杰夫电声股份有限公司 | A multi-drive point sound exciter |
| WO2020087755A1 (en) * | 2018-11-02 | 2020-05-07 | 歌尔股份有限公司 | Sound-generating device and earphones |
| CN112235701A (en) * | 2020-11-16 | 2021-01-15 | 无锡杰夫电声股份有限公司 | Bone conduction formula speaker |
| CN113115185A (en) * | 2021-04-07 | 2021-07-13 | 国光电器股份有限公司 | Exciter |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1413061A (en) * | 2001-10-11 | 2003-04-23 | 金大仁 | Sheet vibration exciter |
| CN103079154A (en) * | 2013-01-20 | 2013-05-01 | 汉得利（常州）电子有限公司 | Novel driving device for automobile audio |
| KR20140117964A (en) * | 2013-03-27 | 2014-10-08 | 주식회사 한빛티앤아이 | PCB damper for speaker |
| CN208623900U (en) * | 2018-08-01 | 2019-03-19 | 无锡杰夫电声股份有限公司 | A kind of thin high-power acoustic actuator |
-
2018
- 2018-08-01 CN CN201810859739.6A patent/CN108650602B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1413061A (en) * | 2001-10-11 | 2003-04-23 | 金大仁 | Sheet vibration exciter |
| CN103079154A (en) * | 2013-01-20 | 2013-05-01 | 汉得利（常州）电子有限公司 | Novel driving device for automobile audio |
| KR20140117964A (en) * | 2013-03-27 | 2014-10-08 | 주식회사 한빛티앤아이 | PCB damper for speaker |
| CN208623900U (en) * | 2018-08-01 | 2019-03-19 | 无锡杰夫电声股份有限公司 | A kind of thin high-power acoustic actuator |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020087755A1 (en) * | 2018-11-02 | 2020-05-07 | 歌尔股份有限公司 | Sound-generating device and earphones |
| CN110418250A (en) * | 2019-08-29 | 2019-11-05 | 无锡杰夫电声股份有限公司 | A multi-drive point sound exciter |
| CN112235701A (en) * | 2020-11-16 | 2021-01-15 | 无锡杰夫电声股份有限公司 | Bone conduction formula speaker |
| CN113115185A (en) * | 2021-04-07 | 2021-07-13 | 国光电器股份有限公司 | Exciter |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108650602B (en) | 2023-08-01 |
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