CN109362004A - A kind of horn structure - Google Patents
A kind of horn structure Download PDFInfo
- Publication number
- CN109362004A CN109362004A CN201811100849.0A CN201811100849A CN109362004A CN 109362004 A CN109362004 A CN 109362004A CN 201811100849 A CN201811100849 A CN 201811100849A CN 109362004 A CN109362004 A CN 109362004A
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- China
- Prior art keywords
- permanent magnet
- diaphragm
- driving circuit
- horn structure
- adjacent
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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.)
- Pending
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- 241000209140 Triticum Species 0.000 claims description 11
- 235000021307 Triticum Nutrition 0.000 claims description 11
- 239000012528 membrane Substances 0.000 claims description 11
- 238000010586 diagram Methods 0.000 description 4
- 230000005389 magnetism Effects 0.000 description 4
- 239000002356 single layer Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000004744 fabric Substances 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 238000000034 method Methods 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
- H04R9/025—Magnetic circuit
-
- 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
Abstract
The present invention relates to a kind of horn structure, including shell, the shell includes ante-chamber and back cavity, and at least side in the two opposite sides of the ante-chamber is provided with vibration component；The vibration component includes the diaphragm being arranged in the ante-chamber and the permanent magnet array that is arranged in the back cavity；The permanent magnet array includes multiple spaced first permanent magnets, and every two adjacent first permanent magnet polarity is staggered on the contrary, has driving space between every two adjacent first permanent magnet；The diaphragm includes the FPC plate equipped with driving circuit, and the driving circuit is correspondingly arranged with the driving space, and the current direction of two neighboring driving circuit is opposite.After being passed through alternating current, FPC plate will vibrate up and down the horn structure under the magnetic fields of permanent magnet array, so as to cause air vibration, generate sound；Structure is simple, it is only necessary to shell, permanent magnet array and diaphragm, processing technology is simple, while the thickness of loudspeaker can also do it is small.
Description
Technical field
The present invention relates to loudspeaker technical fields, more specifically to a kind of horn structure.
Background technique
Loudspeaker are a kind of electroacoustic components, are also loudspeaker, effect is to convert electrical signals to acoustical signal.With thin at present
The trend of type requires the size of loudspeaker also more stringent.Loudspeaker in the prior art are all by drive rod driving unit
Diaphragm vibration, makes its vibration sounding, and unit diaphragm is typically all one layer of organic film.But the loudspeaker of this structure, structure
Complexity, thickness are thicker.
Summary of the invention
The technical problem to be solved in the present invention is that providing a kind of improved horn structure.
The technical solution adopted by the present invention to solve the technical problems is: a kind of horn structure, including shell are constructed, it is described
Shell includes ante-chamber and back cavity, and at least side in the two opposite sides of the ante-chamber is provided with vibration component；
The vibration component includes the diaphragm being arranged in the ante-chamber and the permanent magnet array that is arranged in the back cavity；
The permanent magnet array includes multiple spaced first permanent magnets, every two adjacent first permanent magnet polarity
It is opposite staggered, there is driving space between every two adjacent first permanent magnet；
The diaphragm includes the FPC plate equipped with driving circuit, and the driving circuit is correspondingly arranged with the driving space, phase
The current direction of adjacent two driving circuits is opposite.
In some embodiments, the diaphragm further includes washer and wheat membrane, the wheat membrane setting in the washer and
Between the FPC plate, the diaphragm is fixedly connected by the washer with the shell.
In some embodiments, first permanent magnet is flaky permanent magnet, the vertical fixed setting of flaky permanent magnet
In the shell.
In some embodiments, the driving circuit is direct-wire circuit, the direct-wire circuit and the permanent magnet array
Arragement direction is vertically arranged.
In some embodiments, the driving circuit is one, two or more arranged side by side.
In some embodiments, the connection circuit for the driving circuit to be connected in series is additionally provided on the FPC plate.
In some embodiments, the magnetizing direction of first permanent magnet is parallel with the direction of vibration of the diaphragm.
In some embodiments, between every two adjacent first permanent magnet be equipped with the second permanent magnet, described second
The magnetizing direction of permanent magnet and the magnetizing direction of first permanent magnet are mutually perpendicular to, and second permanent magnet is towards adjacent
The polarity of one permanent magnet side is identical as the polarity of the first adjacent permanent magnet towards described diaphragm one end.
In some embodiments, the driving circuit is correspondingly arranged with second permanent magnet.
In some embodiments, there are two the vibration components, described two vibration components are separately positioned on the ante-chamber
Two opposite sides.
Implement horn structure of the invention, has the advantages that horn structure of the invention, lead in the driving circuit
After entering alternating current, FPC plate will vibrate up and down under the magnetic fields of permanent magnet array, so as to cause air vibration, generation sound
Sound；And the structure of the loudspeaker is simple, it is only necessary to which shell, permanent magnet array and diaphragm, processing technology is simple, while loudspeaker
Thickness can also accomplish smaller, be more suitable for the trend being thinned at present.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples, in attached drawing:
Fig. 1 is the schematic perspective view (hiding upper casing and FPC plate) of horn structure in first embodiment of the invention；
Fig. 2 is the schematic diagram of internal structure of horn structure in first embodiment of the invention；
Fig. 3 is the circuit configuration schematic diagram in some embodiments of the invention on horn structure FPC；
Fig. 4 is the schematic diagram of internal structure of horn structure in second embodiment of the invention；
Fig. 5 is the schematic diagram of internal structure of horn structure in third embodiment of the invention.
Specific embodiment
For a clearer understanding of the technical characteristics, objects and effects of the present invention, now control attached drawing is described in detail
A specific embodiment of the invention.
It should be noted that the orientation or positional relationship of the instructions such as term " on ", "lower", "bottom", "top" is based on attached drawing
Shown in orientation or positional relationship, be merely for convenience of description of the present invention and simplification of the description, rather than indication or suggestion is signified
Device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to of the invention
Limitation.
As shown in Figure 1-3, the horn structure in first embodiment of the invention includes shell 1 and is arranged in shell 1
Vibration component.The vibration component include the permanent magnet array 3 being fixed in shell 1 and setting permanent magnet array 3 just
The diaphragm 2 of top.The inner cavity of shell 1 is divided into ante-chamber 11 and back cavity 12 by diaphragm 2, and diaphragm 2 is arranged in ante-chamber 11, permanent magnet
Array 3 is arranged in back cavity 12.
Shell 1 may include the upper casing and lower casing fastened that cooperate, after upper casing and lower casing fasten, can protection setting in shell
Diaphragm 2 in body 1.
Permanent magnet array 3 includes the first permanent magnet 31 of multiple spaced and parallel settings, every two adjacent first permanent magnet
There is driving space 33 between 31.Every two adjacent first permanent magnet, 31 polarity is staggered on the contrary.First permanent magnet 31 can
Think flaky permanent magnet, which is fixed at the bottom of shell 1 vertically.In other embodiments, the first permanent magnetism
Body 31 or bar permanent magnet.Preferably, the opposite staggered row of polarity of the upper end of every two adjacent first permanent magnet 31
Cloth forms the polar structure of N-S-N, such as the upper end of the 1st, 3,5 the first permanent magnet 31 is the pole N, the 2nd, 4,6 the first permanent magnetism
The upper end of body 31 is the pole S.In other embodiments, it is also possible to the polarity phase of the left end of every two adjacent first permanent magnet 31
It is anti-staggered, form the polar structure of N-S-S-N, such as the left end of the 1st, 3,5 the first permanent magnet 31 be the ultra-Right end N is S
Pole, it is the pole N that the left end of the 2nd, 4,6 the first permanent magnet 31, which is the ultra-Right end S,.
Diaphragm 2 includes the FPC plate 21 equipped with driving circuit 211, which is correspondingly arranged at every two adjacent
The surface in the driving space 33 between the first permanent magnet 31.It can be series connection between driving circuit 211, or simultaneously
Connection connection.Driving circuit 211 can be arranged side by side for one, two, three or even more.Preferably, driving circuit 211 is straight
Line circuit, the direct-wire circuit are arranged perpendicular to the arragement direction of permanent magnet array 3, to reduce power consumption, improve efficiency.Driving circuit
211 are printed on FPC plate 21, can be single layer, bilayer or multi-sheet printed.Further, which can also include wheat
Membrane 22 and washer 23, wheat membrane 22 are folded between washer 23 and FPC plate 21, and diaphragm 2 is fixedly mounted on shell by washer 23
On body 1.Washer 23 can be ring washer, can be placed on the boss of lower casing, to fix the position of diaphragm 2.
As shown in Figure 1,3, it to be connected in series between driving circuit 211, is additionally provided on FPC plate 21 for driving circuit 211
Between the connection circuit 212 that is connected in series.In some embodiments, it is big to collectively form one for driving circuit 211 and connection circuit 212
S-type circuit is caused, which can draw two leads as positive and negative electrode, with external power supply.
The current direction of driving circuit 211 right above every two adjacent driving space 33 is opposite.According to left hand
Rule, electrified wire can be in magnetic fields by power upwardly or downwardly；And by the arrangement of permanent magnet array 3 it is found that every two
The magnetic direction generated in adjacent driving space 33 is on the contrary, it may therefore be assured that the Impact direction of all driving circuits 211
Unanimously (while upwardly or downwardly).After being passed through the electric current of variation in driving circuit 211, diaphragm 2 will stress vibrate up and down,
So as to cause air vibration, sound is generated.
As shown in Figure 3,4, the horn structure in second embodiment of the invention includes shell 1b and is arranged in shell 1b
Vibration component.The vibration component includes the permanent magnet array 3b being fixed in shell 1b and is arranged in permanent magnet array
Diaphragm 2b right above 3b.The inner cavity of shell 1b is divided into ante-chamber 11b and back cavity 12b by diaphragm 2b, and diaphragm 2b is arranged in ante-chamber
In 11b, permanent magnet array 3b is arranged in back cavity 12b.
Permanent magnet array 3b includes the first permanent magnet 31b of multiple spaced and parallel settings, every two adjacent first permanent magnetism
The second permanent magnet 32b is provided between body 31b, the magnetizing direction of the second permanent magnet 32b and the first permanent magnet 31b are mutually perpendicular to.
Every two adjacent first permanent magnet 31b polarity is staggered on the contrary, every two adjacent second permanent magnet 32b polarity phase reciprocal cross
Mistake arrangement.First permanent magnet 31b and the second permanent magnet 32b can be flaky permanent magnet, which is fixedly installed vertically
In the bottom of shell 1b.In other embodiments, the first permanent magnet 31b and the second permanent magnet 32b may be bar permanent magnet.
In some embodiments, the polarity of the upper end of every two adjacent first permanent magnet 31b is staggered on the contrary, every two adjacent
The polarity of the left end of second permanent magnet 32b is staggered on the contrary, and the polarity of the second left end permanent magnet 32b is adjacent with its left end
The polarity of first upper end permanent magnet 31b is identical, and to enhance magnetic field, such as the upper end of the 1st, 3,5 the first permanent magnet 31b is the pole N,
The upper end of 2nd, 4,6 the first permanent magnet 31b is the pole S, and it is the pole S that the left end of the 1st, 3,5 the second permanent magnet 32b, which is the ultra-Right end N,
It is the pole N that the left end of 2nd, 4,6 the second permanent magnet 32b, which is the ultra-Right end S,.
Diaphragm 2b includes the FPC plate 21b equipped with driving circuit 211, which is correspondingly arranged at the second permanent magnet
The surface of 32b.It can be series connection between driving circuit 211, or be connected in parallel.Driving circuit 211 can be
One, two, three or even more arranged side by side.Preferably, driving circuit 211 be direct-wire circuit, the direct-wire circuit perpendicular to
The arragement direction of permanent magnet array 3b is arranged, and to reduce power consumption, improves efficiency.Driving circuit 211 is printed on FPC plate 21b,
It can be single layer, bilayer or multi-sheet printed.Further, diaphragm 2b can also include wheat membrane 22b and washer 23b, wheat
Membrane 22b is folded between washer 23b and FPC plate 21b, and diaphragm 2b is fixedly mounted on shell 1b by washer 23b.
Preferably, it to be connected in series between driving circuit 211, is additionally provided on FPC plate 21b between driving circuit 211
The connection circuit 212 of series connection.In some embodiments, driving circuit 211 and connection circuit 212 collectively form one and are substantially in
The circuit of S type, the S type circuit can draw two leads as positive and negative electrode, with external power supply.
The current direction of driving circuit 211 right above every two adjacent second permanent magnet 32b is opposite.According to a left side
Then, electrified wire can be in magnetic field by power upwardly or downwardly for gimmick；And by the arrangement of permanent magnet array 3b it is found that every two
The magnetic direction that is generated in a the second adjacent permanent magnet 32b on the contrary, it may therefore be assured that all driving circuits 211 by
Power direction is unanimously (while upwardly or downwardly).After being passed through the electric current of variation in driving circuit 211, diaphragm 2b will be in stress
Lower vibration generates sound so as to cause air vibration.
As shown in Fig. 3,5, the horn structure in third embodiment of the invention includes shell 1c, and shell 1c has an ante-chamber
The 11c and back cavity 12c for being located at the two sides ante-chamber 11c or more.The upper side and lower side of ante-chamber 11c is respectively arranged with vibration group
Part, two vibration components are symmetrical arranged relative to ante-chamber 11c.Each vibration component include permanent magnet array 3c and
Diaphragm 2c.The inner cavity of shell 1c is divided into an ante-chamber 11 and two back cavity 12c by two diaphragm 2c, two diaphragm 2c it
Between form ante-chamber 11c, back cavity 12c is formed between each diaphragm 2c corresponding shell side, permanent magnet array 3c setting exists
In back cavity 12c.
Permanent magnet array 3c includes the first permanent magnet 31c of multiple spaced and parallel settings, every two adjacent first permanent magnetism
There is driving space 33c between body 31c.Every two adjacent first permanent magnet 31c polarity is staggered on the contrary.First permanent magnet
31c can be flaky permanent magnet, which is fixed at the bottom of shell 1c vertically.In other embodiments,
One permanent magnet 31c may be bar permanent magnet.Preferably, the polarity phase of the upper end of every two adjacent first permanent magnet 31c
It is anti-staggered, the polar structure of N-S-N is formed, such as the upper end of the 1st, 3,5 the first permanent magnet 31c is the pole N, the 2nd, 4,6
The upper end of a first permanent magnet 31c is the pole S.In other embodiments, it is also possible to every two adjacent first permanent magnet 31c's
The polarity of left end is staggered on the contrary, forms the polar structure of N-S-S-N, such as the left end of the 1st, 3,5 the first permanent magnet 31c
It is the pole S for the ultra-Right end N, it is the pole N that the left end of the 2nd, 4,6 the first permanent magnet 31c, which is the ultra-Right end S,.
Diaphragm 2c includes the FPC plate 21c equipped with driving circuit 211, and it is adjacent which is correspondingly arranged at every two
The first permanent magnet 31c between driving space 33c surface.It can be to be connected in series between driving circuit 211, it can also be with
To be connected in parallel.Driving circuit 211 can be arranged side by side for one, two, three or even more.Preferably, driving circuit 211
For direct-wire circuit, which is arranged perpendicular to the arragement direction of permanent magnet array 3c, to reduce power consumption, improves efficiency.It drives
Dynamic circuit 211 is printed on FPC plate 21c, can be single layer, bilayer or multi-sheet printed.Further, diaphragm 2c may be used also
To include wheat membrane 22c and washer 23c, wheat membrane 22c is folded between washer 23c and FPC plate 21c, and diaphragm 2c passes through washer
23c is fixedly mounted on shell 1c.
Preferably, it to be connected in series between driving circuit 211, is additionally provided on FPC plate 21c between driving circuit 211
The connection circuit 212 of series connection.In some embodiments, driving circuit 211 and connection circuit 212 collectively form one and are substantially in
The circuit of S type, the S type circuit can draw two leads as positive and negative electrode, with external power supply.
The current direction of driving circuit 211 right above every two adjacent driving space 33c is opposite.According to left hand
Rule, electrified wire can be in magnetic fields by power upwardly or downwardly；And by the arrangement of permanent magnet array 3c it is found that every two
The magnetic direction generated in adjacent driving space 33c is on the contrary, it may therefore be assured that the stress side of all driving circuits 211
To unanimously (while upwardly or downwardly).After being passed through the electric current of variation in driving circuit 211, diaphragm 2c will stress vibration up and down
It is dynamic, so as to cause air vibration, generate sound.
It is to be appreciated that horn structure of the invention, after being passed through alternating current, FPC plate will be in the magnetic of permanent magnet array
It is vibrated up and down under field action, drives the vibration of wheat membrane, so as to cause air vibration, generate sound；The structure letter of the horn structure
It is single, it is only necessary to which that shell, permanent magnet array and diaphragm, processing technology is simple, and cost can reduce by 50% or more；Simultaneously should
The thickness of loudspeaker is also smaller, can reduce by 40% or more thickness compared with the prior art, and be more suitable for being thinned at present becomes
Gesture.
It is to be appreciated that above-mentioned each technical characteristic can be used in any combination and unrestricted.
The above description is only an embodiment of the present invention, is not intended to limit the scope of the invention, all to utilize this hair
Equivalent structure or equivalent flow shift made by bright specification and accompanying drawing content is applied directly or indirectly in other relevant skills
Art field, is included within the scope of the present invention.
Claims (10)
1. a kind of horn structure, including shell, the shell includes ante-chamber and back cavity, which is characterized in that
At least side in the two opposite sides of the ante-chamber is provided with vibration component；
The vibration component includes the diaphragm being arranged in the ante-chamber and the permanent magnet array that is arranged in the back cavity；
The permanent magnet array includes multiple spaced first permanent magnets, and every two adjacent first permanent magnet polarity is opposite
It is staggered, there is driving space between every two adjacent first permanent magnet；
The diaphragm includes the FPC plate equipped with driving circuit, and the driving circuit is correspondingly arranged with the driving space, and adjacent two
The current direction of a driving circuit is opposite.
2. horn structure according to claim 1, which is characterized in that the diaphragm further includes washer and wheat membrane, described
Wheat membrane is arranged between the washer and the FPC plate, and the diaphragm is fixedly connected by the washer with the shell.
3. horn structure according to claim 1, which is characterized in that first permanent magnet is flaky permanent magnet, described
Flaky permanent magnet is vertical to be fixed in the shell.
4. horn structure according to claim 1, which is characterized in that the driving circuit is direct-wire circuit, the straight line
The arragement direction of circuit and the permanent magnet array is vertically arranged.
5. horn structure according to claim 1, which is characterized in that the driving circuit is one, two or more
It is arranged side by side.
6. horn structure according to claim 1, which is characterized in that be additionally provided on the FPC plate for being connected in series
State the connection circuit of driving circuit.
7. horn structure according to claim 1-6, which is characterized in that the magnetizing direction of first permanent magnet
It is parallel with the direction of vibration of the diaphragm.
8. horn structure according to claim 7, which is characterized in that set between every two adjacent first permanent magnet
There is the second permanent magnet, the magnetizing direction of second permanent magnet and the magnetizing direction of first permanent magnet are mutually perpendicular to, described
Polarity of second permanent magnet towards the first adjacent permanent magnet side and the first adjacent permanent magnet are towards the diaphragm one
The polarity at end is identical.
9. horn structure according to claim 8, which is characterized in that the driving circuit is corresponding with second permanent magnet
Setting.
10. horn structure according to claim 1-6, which is characterized in that there are two the vibration components, described
Two vibration components are separately positioned on the two opposite sides of the ante-chamber.
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811100849.0A CN109362004A (en) | 2018-09-20 | 2018-09-20 | A kind of horn structure |
| JP2021516577A JP7352980B2 (en) | 2018-09-20 | 2019-09-20 | Speaker structure and its magnetic circuit system |
| US17/277,931 US11540056B2 (en) | 2018-09-20 | 2019-09-20 | Speaker and magnetic circuit system thereof |
| PCT/CN2019/107098 WO2020057655A1 (en) | 2018-09-20 | 2019-09-20 | Horn structure and magnetic circuit system thereof |
| KR1020217008522A KR20210059725A (en) | 2018-09-20 | 2019-09-20 | Bugle structure and its magnetic circuit system |
| EP19863064.2A EP3855762A4 (en) | 2018-09-20 | 2019-09-20 | Horn structure and magnetic circuit system thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811100849.0A CN109362004A (en) | 2018-09-20 | 2018-09-20 | A kind of horn structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109362004A true CN109362004A (en) | 2019-02-19 |
Family
ID=65351045
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811100849.0A Pending CN109362004A (en) | 2018-09-20 | 2018-09-20 | A kind of horn structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109362004A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2020057655A1 (en) * | 2018-09-20 | 2020-03-26 | 常州阿木奇声学科技有限公司 | Horn structure and magnetic circuit system thereof |
| CN111701250A (en) * | 2019-07-09 | 2020-09-25 | 株式会社万代 | Action toy |
| WO2021056292A1 (en) * | 2019-09-25 | 2021-04-01 | 常州阿木奇声学科技有限公司 | Loudspeaker device |
| WO2021056294A1 (en) * | 2019-09-25 | 2021-04-01 | 常州阿木奇声学科技有限公司 | Horn apparatus |
| WO2021056293A1 (en) * | 2019-09-25 | 2021-04-01 | 常州阿木奇声学科技有限公司 | Horn device |
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| CN111701250A (en) * | 2019-07-09 | 2020-09-25 | 株式会社万代 | Action toy |
| WO2021056292A1 (en) * | 2019-09-25 | 2021-04-01 | 常州阿木奇声学科技有限公司 | Loudspeaker device |
| WO2021056294A1 (en) * | 2019-09-25 | 2021-04-01 | 常州阿木奇声学科技有限公司 | Horn apparatus |
| WO2021056293A1 (en) * | 2019-09-25 | 2021-04-01 | 常州阿木奇声学科技有限公司 | Horn device |
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