CN107396260A - Magnetic circuit system and horn single body - Google Patents
Magnetic circuit system and horn single body Download PDFInfo
- Publication number
- CN107396260A CN107396260A CN201710638950.0A CN201710638950A CN107396260A CN 107396260 A CN107396260 A CN 107396260A CN 201710638950 A CN201710638950 A CN 201710638950A CN 107396260 A CN107396260 A CN 107396260A
- Authority
- CN
- China
- Prior art keywords
- magnetic circuit
- circuit system
- adjustment plate
- basin
- centring
- 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.)
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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
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Abstract
The invention discloses a kind of magnetic circuit system and horn single body, the magnetic circuit system includes centring magnet and center washer, and the center washer is arranged on the centring magnet；The magnetic circuit system connects adjustment plate in the side being combined with vibrational system, and the adjustment plate is incorporated on the center washer, and the adjustment plate is provided with multiple through holes.The magnetic circuit system of the present invention, can be with damping vibration by setting porous adjustment harden structure, and then reduces the outflow of the spike wave band of vibration, also optimizes frequency response, improves tonequality.
Description
Technical field
The present invention relates to acoustical device, more particularly, to a kind of magnetic circuit system and horn single body.
Background technology
On electronics, frequency response is for describing difference of the instrument for the disposal ability of the signal of different frequency.
The same with distortion, frequency response is also a very important parameter index.Frequency response also referred to as rings curve, refers to change of the gain with frequency
Curve.Any stereo set or carrier (object of record voice signal) have its frequency response curve, and preferable frequency response curve should
It is straight, voice signal does not produce distortion after.
At present, conventional woofer is made up of vibrating diaphragm, voice coil loudspeaker voice coil, centring disk, frame, magnet and washer.It is and conventional low
Because the diaphagras of high frequency occurs in vibrating diaphragm, fluctuations can also occur sound loudspeaker for frequency response curve, often occur irritating
Spike, cause tonequality poor.In the prior art, vibration of membrane of shaking is absorbed usually using acoustical cotton, and then alleviates frequency response spike
The problem of, but acoustical cotton easily produces dust, can influence the cleaning to loudspeaker.
The content of the invention
It is an object of the present invention to provide one kind to optimize frequency response, improves the new solution of tonequality.
According to the first aspect of the invention, there is provided a kind of magnetic circuit system, including centring magnet and center washer, in described
Heart washer is fixed on a surface of the centring magnet；Connect on the surface of the remote centring magnet of the center washer
Connect and be fixed with adjustment plate, the adjustment plate is provided with multiple through holes.
Preferably, the adjustment plate is incorporated on the center washer by stake body.
Preferably, the through hole is regularly arranged in the adjustment plate, the thickness of the adjustment plate for 0.05mm extremely
0.5mm, the aperture of any through hole is 0.05mm to 0.5mm.
Preferably, height of the stake body on vertical is 5mm to 200mm.
Preferably, the gross area of the through hole and the area ratio of the adjustment plate form punching rate, and the punching rate is
0.1% to 5%.
Preferably, the stake body is hollow support, and the adjustment plate is bonded in the upper end of the stake body, the branch
The lower end of support body is Nian Jie with the center washer.
According to another aspect of the present invention, there is provided a kind of horn single body, including above-mentioned magnetic circuit system, in addition to institute
State magnetic circuit system and assemble vibrational system together；The magnetic circuit system also includes U-shaped magnetic conductor, and the centring magnet is arranged on
In the U-shaped magnetic conductor, the U-shaped magnetic conductor is combined in opening with frame；The vibrational system is contained in the frame.
Preferably, the vibrational system includes speech coil framework and basin with compound；The speech coil framework is incorporated in the basin with compound
On, the basin with compound is connected with the frame；On the speech coil framework with reference to voice coil loudspeaker voice coil body be suspended in the U-shaped magnetic conductor
In the magnetic gap formed with the centring magnet.
Preferably, the basin with compound includes cone basin and the ring being connected with the cone basin, the speech coil framework knot
Close in the cone basin, the basin with compound is combined at the ring with the frame.
Preferably, in addition to centring disk, the centring disk are incorporated in the frame, and the centring disk is in annulus
Shape, inner side and the speech coil framework gluing of the centring disk are fixed, and the outside of the centring disk is fixed with the frame.
It was found by the inventors of the present invention that in the prior art, vibrating diaphragm carries out the diaphagras of high frequency, frequency response curve can occur
Fluctuations, irritating spike often occurs, cause tonequality poor.Therefore, the technical assignment to be realized of the present invention or
Technical problem to be solved be it is that those skilled in the art never expect or it is not expected that, therefore the present invention is a kind of new
Technical scheme.
By referring to the drawings to the present invention exemplary embodiment detailed description, further feature of the invention and its
Advantage will be made apparent from.
Brief description of the drawings
It is combined in the description and the accompanying drawing of a part for constitution instruction shows embodiments of the invention, and even
It is used for the principle for explaining the present invention together with its explanation.
Fig. 1 is the schematic diagram of the decomposing state of the horn single body of the present invention.
Fig. 2 is the sectional view of the horn single body of the present invention.
Embodiment
The various exemplary embodiments of the present invention are described in detail now with reference to accompanying drawing.It should be noted that：Unless have in addition
Body illustrates that the unlimited system of part and the positioned opposite of step, numerical expression and the numerical value otherwise illustrated in these embodiments is originally
The scope of invention.
The description only actually at least one exemplary embodiment is illustrative to be never used as to the present invention below
And its application or any restrictions that use.
It may be not discussed in detail for technology, method and apparatus known to person of ordinary skill in the relevant, but suitable
In the case of, the technology, method and apparatus should be considered as part for specification.
In shown here and discussion all examples, any occurrence should be construed as merely exemplary, without
It is as limitation.Therefore, other examples of exemplary embodiment can have different values.
It should be noted that：Similar label and letter represents similar terms in following accompanying drawing, therefore, once a certain Xiang Yi
It is defined, then it need not be further discussed in subsequent accompanying drawing in individual accompanying drawing.
It refer to shown in Fig. 1 and Fig. 2, the magnetic circuit system of the present embodiment, including centring magnet 10 and center washer 9, center
On one surface of the centrally disposed magnet 10 of washer 9, the upper surface of centring magnet 10 is generally arranged at.Wherein, center washer 9
Remote centring magnet 10 surface on be fixedly connected with adjustment plate 6, also, adjustment plate 6 is provided with multiple through holes 61.It is preferred that
Ground, adjustment plate 6 is made by the stronger material of aluminium sheet, carbon fiber board, or hardness.
When vibrational system does cutting magnetic induction line motion in magnetic circuit system, basin with compound 2 can produce vibration, and vibration can shake
Transmitted in the chamber that dynamic system and magnetic circuit system are formed.By setting the adjustment plate 6 of loose structure, dither institute can be made
Caused larger vibrational energy when by through hole thereon, reflect, be overlapped mutually, colliding by generation, so that by vibrational energy
Other energy, damping vibration are changed into, and then reduces the outflow of the spike wave band of vibration, frequency response is also optimized, improves sound
Matter.Meanwhile in the present embodiment, using porous adjustment harden structure, it will not produce and absorb dust, ensure that the clean of magnetic circuit system
Only, and this is simple in construction, is easy to assembly operation.
Further, in order to preferably adjust the transmission of high-frequency vibratory energy, adjustment plate 6 can be placed in vibrational system and
The centre position for the chamber that magnetic circuit system is formed, therefore, adjustment plate 6 can be incorporated on center washer 9 by stake body 7.
Preferably, height of the stake body 7 on vertical is 5mm to 200mm.Wherein, stake body 7 is made of non-magnetic material, example
Such as metal material or plastic material.
Preferably, through hole 61 is regularly arranged in adjustment plate 6, regularly to adjust the transmission of high-frequency vibratory energy.
Preferably, the thickness of adjustment plate 6 is 0.05mm to 0.5mm, and the aperture of any through hole 61 is 0.05mm to 0.5mm.
It is further preferred that the gross area of through hole 61 and the area ratio of adjustment plate 6 form punching rate, wherein, punching rate
For 0.1% to 5%.So as to play a part of preventing dither from spreading out of, and can enough ensures not influence low-frequency vibration
Effect.
It refer to shown in Fig. 1 and Fig. 2, in a kind of specific embodiment, stake body 7 is hollow cylindrical stent,
So, a cavity with certain altitude is formd between center washer 9 and vibrational system.Also, adjustment plate 6 is bonded in branch
The upper end of support body 7, the lower end of stake body 7 are be bonded with center washer 9.
It should be noted that being provided solely for a kind of specific embodiment above, it is not intended to limit the present invention, is embodied
When, stake body 7 may be arranged as the shape outside cylinder, such as can be the polygon that area is not more than center washer 9
Or other irregular shapes etc..Conceived based on foregoing invention, the present embodiment additionally provides a kind of horn single body.
It refer to shown in Fig. 1 and Fig. 2, the horn single body of the present embodiment, including above-mentioned magnetic circuit system, in addition to and magnetic circuit
System assembles vibrational system together.Magnetic circuit system also includes U-shaped magnetic conductor 11.Centring magnet 10 is arranged on U-shaped magnetic conductor
In 11, so as to form magnetic gap between centring magnet 10 and U-shaped magnet 11.Also, as illustrated, U-shaped magnetic conductor 11 is at it
The position of opening is combined with frame 4, and vibrational system is then contained in frame 4.
Further, vibrational system includes speech coil framework 8 and basin with compound 2.Speech coil framework 8 is incorporated on basin with compound 2, compound
Basin 2 is connected with frame 4.The voice coil loudspeaker voice coil body combined on speech coil framework 8 is suspended in U-shaped magnetic conductor 11 and centring magnet 10 and formed
Magnetic gap in, and do in magnetic gap the reciprocating motion of cutting magnetic induction line, and then drive basin with compound 2 to vibrate.
It refer to shown in Fig. 1 and Fig. 2, basin with compound 2 includes cone basin 21 and the ring 22 being connected with cone basin 21.Ring
22 mainly for generation of vibrating and instigate air sounding.And cone basin 21 can coordinate ring 22, vibrate, and can send therewith
In, the tonequality such as bass.Wherein, basin with compound 2 is combined at ring 22 with frame 4.
Further, dust cap 1 is stamped in the part of the upper end open of cone basin 21, the dust cap 1 can prevent dust from entering
Into horn single body, the cleaning inside horn single body ensure that.
Explanation is needed exist for, the vibrational system shown in present embodiment, it is mainly by basin with compound 2 and Voice coil assemblies
(i.e. voice coil loudspeaker voice coil body and speech coil framework 8) is formed, but in another specific embodiment, vibrational system is also designed to non-
The structure of basin with compound, now, the vibrating diaphragm of vibration sounding can include ring 22 and the roof structure being fixedly connected with ring 22,
Top dome is arranged to dome-shaped, is specifically incorporated into the inner side of ring 22, i.e., the center of whole vibrating diaphragm.When being arranged to this structure
When, do not influence the application of the technical program equally.
Further, vibrational system also includes centring disk 3, and centring disk 3 is incorporated in frame 4, centring disk 3 it is interior
Side is fixed with the gluing of speech coil framework 8, and outside and the frame of centring disk 3 are fixed.When horn single body works, the energy of centring disk 3
Enough increase the damping of vibrational system, reduce horn single body in distortion caused by large amplitude.
Refer to shown in Fig. 1 and Fig. 2, frame 4, which is provided with, is used to connecting the terminal 5 of external circuit, terminal 5 with voice coil loudspeaker voice coil
Lead 81 connects.So as to which terminal 5 electrically connects external circuit with voice coil leads 81, and electric signal is inputted.It is passed through by alternating current multiple
The voice coil loudspeaker voice coil 8 of the lower section of basin 2 is closed, allows its electric field changed to produce the magnetic field of change, then in centring magnet 10 and the U-shaped shape of magnetic conductor 11
Into magnetic gap in cutting magnetic induction line cause move sounding sound.
Although some specific embodiments of the present invention are described in detail by example, the skill of this area
Art personnel it should be understood that example above merely to illustrating, the scope being not intended to be limiting of the invention.The skill of this area
Art personnel to above example it should be understood that can modify without departing from the scope and spirit of the present invention.This hair
Bright scope is defined by the following claims.
Claims (10)
1. a kind of magnetic circuit system, it is characterised in that including centring magnet (10) and center washer (9), the center washer (9) is solid
It is scheduled on a surface of the centring magnet (10)；The surface of the remote centring magnet (10) of the center washer (9)
On be fixedly connected with adjustment plate (6), the adjustment plate is provided with multiple through holes (61).
2. magnetic circuit system according to claim 1, it is characterised in that the adjustment plate (6) is incorporated in by stake body (7)
On the center washer (9).
3. magnetic circuit system according to claim 1, it is characterised in that the through hole (61) is regularly arranged in the adjustment plate
(6) on, the thickness of the adjustment plate (6) is 0.05mm to 0.5mm, the aperture of any through hole (61) for 0.05mm extremely
0.5mm。
4. magnetic circuit system according to claim 3, it is characterised in that height of the stake body (7) on vertical is 5mm
To 200mm.
5. magnetic circuit system according to claim 4, it is characterised in that the gross area of the through hole (61) and the adjustment plate
(6) area ratio forms punching rate, and the punching rate is 0.1% to 5%.
6. according to the magnetic circuit system described in any one of claim 1 to 5 claim, it is characterised in that the stake body (7) is
Hollow support, the adjustment plate (6) are bonded in the upper end of the stake body (7), the lower end of the stake body (7) with it is described in
Heart washer (9) is bonded.
A kind of 7. horn single body, it is characterised in that including the magnetic circuit system described in any one of claim 1 to 6 claim,
Also include the vibrational system together with being assembled with the magnetic circuit system；The magnetic circuit system also includes U-shaped magnetic conductor (11), described
Centring magnet (10) is arranged in the U-shaped magnetic conductor (11), and the U-shaped magnetic conductor (11) combines in opening and frame (4)；
The vibrational system is contained in the frame (4).
8. horn single body according to claim 7, it is characterised in that the vibrational system is including speech coil framework (8) and again
Close basin (2)；The speech coil framework (8) is connected on the basin with compound (2), and the basin with compound (2) is connected with the frame (4)；
On the speech coil framework (8) with reference to voice coil loudspeaker voice coil body be suspended in the U-shaped magnetic conductor (11) and the centring magnet (10) institute
In the magnetic gap of formation.
9. horn single body according to claim 8, it is characterised in that the basin with compound (2) include cone basin (21) and with
The ring (22) that the cone basin (21) is connected, the speech coil framework (8) are incorporated in the cone basin (21), the basin with compound
(2) combined at the ring (22) place and the frame (4).
10. horn single body according to claim 9, it is characterised in that also including centring disk (3), the centring disk
(3) it is incorporated in the frame (4), the centring disk (3) is in annular, inner side and the sound of the centring disk (3)
Ring framework (8) gluing is fixed, and the outside of the centring disk (3) and the frame (4) are fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710638950.0A CN107396260B (en) | 2017-07-31 | 2017-07-31 | Magnetic circuit system and loudspeaker monomer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710638950.0A CN107396260B (en) | 2017-07-31 | 2017-07-31 | Magnetic circuit system and loudspeaker monomer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107396260A true CN107396260A (en) | 2017-11-24 |
| CN107396260B CN107396260B (en) | 2023-10-03 |
Family
ID=60341478
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710638950.0A Active CN107396260B (en) | 2017-07-31 | 2017-07-31 | Magnetic circuit system and loudspeaker monomer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107396260B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203313389U (en) * | 2013-06-13 | 2013-11-27 | 代刚 | Composite diaphragm horn without cone |
| CN204014046U (en) * | 2014-07-02 | 2014-12-10 | 歌尔声学股份有限公司 | Loud speaker |
| WO2016107526A1 (en) * | 2014-12-31 | 2016-07-07 | 东莞市纯正音源汽车音响设备有限公司 | Vehicle-mounted sound system |
| CN207304903U (en) * | 2017-07-31 | 2018-05-01 | 歌尔智能科技有限公司 | Magnetic circuit system and horn single body |
-
2017
- 2017-07-31 CN CN201710638950.0A patent/CN107396260B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203313389U (en) * | 2013-06-13 | 2013-11-27 | 代刚 | Composite diaphragm horn without cone |
| CN204014046U (en) * | 2014-07-02 | 2014-12-10 | 歌尔声学股份有限公司 | Loud speaker |
| WO2016107526A1 (en) * | 2014-12-31 | 2016-07-07 | 东莞市纯正音源汽车音响设备有限公司 | Vehicle-mounted sound system |
| CN207304903U (en) * | 2017-07-31 | 2018-05-01 | 歌尔智能科技有限公司 | Magnetic circuit system and horn single body |
Non-Patent Citations (1)
| Title |
|---|
| 郭继峰;任万滨;翟国富;赵宏伟: "电磁喇叭分段线性振动响应及其声学特性的研究", 振动与冲击 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107396260B (en) | 2023-10-03 |
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| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20180112 Address after: Two road 523000 in Guangdong province Dongguan City Songshan Lake high tech Industrial Development Zone, No. 9 building EB206 eastriver headquarters Applicant after: Goertek Intelligent Technology Co.,Ltd. Address before: 261031 Weifang province high tech Zone in the east of the first North of the GoerTek acoustic Park mold building Applicant before: GOERTEK DYNAUDIO Co.,Ltd. |
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