CN114268890A - Combination structure of loudspeaker and motor - Google Patents
Combination structure of loudspeaker and motor Download PDFInfo
- Publication number
- CN114268890A CN114268890A CN202111352736.1A CN202111352736A CN114268890A CN 114268890 A CN114268890 A CN 114268890A CN 202111352736 A CN202111352736 A CN 202111352736A CN 114268890 A CN114268890 A CN 114268890A
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- loudspeaker
- motor
- cavity
- basin frame
- horn
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- 229910000831 Steel Inorganic materials 0.000 claims description 21
- 239000010959 steel Substances 0.000 claims description 21
- 229910052755 nonmetal Inorganic materials 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 4
- 230000000903 blocking effect Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 8
- 230000001360 synchronised effect Effects 0.000 abstract description 7
- 230000003014 reinforcing effect Effects 0.000 abstract description 6
- 230000008901 benefit Effects 0.000 description 5
- 230000005236 sound signal Effects 0.000 description 4
- 230000005672 electromagnetic field Effects 0.000 description 3
- 238000004026 adhesive bonding Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/27—Rotor cores with permanent magnets
-
- 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
Abstract
The invention discloses a horn and motor combined structure, which comprises a front cover and a rear shell, wherein the front cover and the rear shell form a containing cavity, a basin frame is arranged in the containing cavity, the containing cavity is divided into a first cavity and a second cavity by the basin frame, and a first through hole for communicating the first cavity with the second cavity is formed in the basin frame; the loudspeaker is arranged in the first cavity, the motor is arranged in the second cavity, and the loudspeaker and the motor are respectively and independently connected with an electric signal; in the invention, the motor and the loudspeaker are arranged in the accommodating cavity together, so that the motor and the loudspeaker are combined into a whole, and the effect of saving the internal space of the electronic product is achieved. The motor and the loudspeaker are respectively and independently connected into the electric signals, so that a user can conveniently select the working modes of the motor and the loudspeaker according to different use scenes of the electronic product; through the space that first through-hole intercommunication motor and loudspeaker place on the basin frame, when loudspeaker and motor equal during operation, synchronous through controlling the two vibration direction, reach the effect of reinforcing vibration each other, improve loudspeaker volume and reinforcing motor sense of shaking.
Description
Technical Field
The invention belongs to the technical field of audio equipment, and particularly relates to a combined structure of a loudspeaker and a motor.
Background
With the rapid development of integrated circuits, many electronic products increase their functions while gradually reducing the volume, such as a vibration motor speaker, which integrates a vibration motor with a speaker, and can vibrate while the speaker produces sound, which brings convenience to our daily use and use by special people, and at the same time, we also hope to improve their performance by continuously improving the vibration motor speaker.
The integrated mode of current motor and loudspeaker is designed as solitary components and parts more and piles up, extravagant space very to the mechanism of loudspeaker and two unifications of motor has the drawback that partial performance mutually sacrifices mostly.
Disclosure of Invention
In view of the above problems, the present invention discloses a combination structure of a speaker and a motor to overcome the above problems or at least partially solve the above problems.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a horn and motor integrated configuration, includes protecgulum and backshell, protecgulum and backshell form and hold the chamber, its characterized in that: a basin frame is arranged in the containing cavity, the basin frame divides the containing cavity into a first cavity and a second cavity, and a first through hole for communicating the first cavity with the second cavity is formed in the basin frame; the loudspeaker is arranged in the first cavity, the motor is arranged in the second cavity, and the loudspeaker and the motor are respectively and independently connected with an electric signal;
the motor comprises a motor coil, counterweight magnetic steel and a rigid support; the motor coil is wound on the basin frame in the second chamber, the counterweight magnetic steel is connected with the rigid support, and the rigid support is assembled on the basin frame;
the loudspeaker comprises the basin frame, a magnet, a washer, a vibrating diaphragm and a loudspeaker coil; the basin stand and the washer conduct the magnetic field generated by the magnet; the loudspeaker coil is arranged in a magnetic field gap between the basin frame and the magnet, and the vibrating diaphragm is connected with the loudspeaker coil.
Optionally, the counterweight magnetic steel is connected with the rigid support through bonding.
Optionally, a second through hole is formed in the counterweight magnetic steel and communicated with the first through hole of the basin frame.
Optionally, the rigid support is provided with a plurality of rigid supports, and adjacent rigid supports are arranged at intervals.
Optionally, the horn is a moving coil horn.
Optionally, a third through hole is further formed in the basin frame, and the second chamber is communicated with the magnetic field gap through the third through hole.
Optionally, the basin frame is provided with a non-metal ring at the position of the outer ring of the motor coil, and the non-metal ring is used for blocking the magnetic conduction of the basin frame.
Optionally, a connecting ring is arranged on the inner wall of the front cover, which is close to the washer, and the outer edge of the diaphragm is assembled on the connecting ring.
Optionally, a front sound cavity is formed between the vibrating diaphragm of the loudspeaker and the front cover when the loudspeaker works, and the front cover is provided with a sound outlet hole;
the vibrating diaphragm of loudspeaker with constitute between the backshell the back sound chamber of loudspeaker during operation, the backshell is equipped with the hole of disappointing.
An electronic product comprising a combination of a speaker and a motor as described above.
The invention has the advantages and beneficial effects that:
in the invention, the motor and the loudspeaker are arranged in the accommodating cavity together, and the motor and the loudspeaker are further used together for the basin frame, so that the number of parts is reduced, and the effect of saving the internal space of the electronic product is achieved. The motor and the loudspeaker are separated by the basin frame, so that the motor and the loudspeaker work independently. The motor and the loudspeaker are independently connected with the electric signals, so that the loudspeaker and the motor can independently work and can work together, and a user can conveniently select the working modes of the motor and the loudspeaker according to different use scenes of the electronic product; and through the space at first through-hole intercommunication motor and loudspeaker place on the basin frame, when loudspeaker and motor all work, synchronous through controlling the two vibration direction, reach the effect of reinforcing vibration of each other, improve the volume of loudspeaker and the sense of shaking of reinforcing motor, the second cavity at motor place has expanded the back sound cavity volume of loudspeaker during operation moreover, can further improve the tone quality of loudspeaker in the bass frequency section.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:
fig. 1 is a schematic structural diagram in an embodiment of the invention.
1. A front cover; 2. a rear housing; 3. a basin stand; 4. a first chamber; 5. a second chamber; 6. a first through hole; 7. a motor coil; 8. counterweight magnetic steel; 9. a rigid support; 10. a magnet; 11. washer; 12. vibrating diaphragm; 13. a horn coil; 14. a connecting ring; 21. an air release hole; 31. a third through hole; 32. a non-metallic ring; 81. a second through hole; 101. and a sound outlet hole.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail and fully with reference to the accompanying drawings. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The technical solutions provided by the embodiments of the present invention are described in detail below with reference to the accompanying drawings.
The present embodiment discloses a combination structure of a speaker and a motor, and as shown in fig. 1, the combination structure of the speaker and the motor of the present embodiment includes a front cover 1 and a rear housing 2, and the front cover 1 and the rear housing 2 form an accommodating cavity. The basin frame 3 is established and is holding the intracavity to will hold the chamber and cut apart into first cavity 4 and second cavity 5, wherein the space that basin frame 3 and protecgulum 1 enclose is first cavity 4, and the space that basin frame 3 and backshell 2 enclose is second cavity 5. The horn is disposed in the first chamber 4, and the motor is disposed in the second chamber 5.
As shown in fig. 1, the motor includes a motor coil 7, a counterweight magnetic steel 8, and a rigid support 9; the motor coil 7 is wound on the tub 3 in the second chamber 5. The counterweight magnetic steel 8 is connected with the rigid support 9, the rigid support 9 is assembled on the back of the basin frame 3, the counterweight magnetic steel 8 is arranged between the motor coil 7 and the rear shell 2, and the counterweight magnetic steel 8 can be supported by fixing the counterweight magnetic steel on the basin frame 3 through the rigid support 9;
the moving-coil loudspeaker comprises a basin frame 3, a magnet 10, a washer 11, a vibrating diaphragm 12 and a loudspeaker coil 13; the basin stand 3 and the washer 11 are respectively arranged at two sides of the magnet 10, the horn coil 13 is arranged in a magnetic field gap between the basin stand 3 and the magnet 10, and the vibrating diaphragm 12 is connected with the horn coil 13. Wherein, the magnet 10 is used for generating a magnetic field, and the magnetic field is a uniform magnetic field through the conduction of the basin frame 3 and the washer 11. When the loudspeaker works, an audio signal is input into the loudspeaker coil 13, the loudspeaker coil 13 after the audio signal is input is stressed in an even magnetic field and vibrates, and the vibration of the loudspeaker coil 13 drives the vibrating diaphragm 12 to vibrate, so that the air is pushed to produce sound through the vibrating diaphragm 12.
The motor and the loudspeaker share the basin stand 3, wherein the motor coil 7 is wound on the basin stand 3, the rigid support 9 is fixed by the basin stand 3, and the basin stand 3 can conduct the magnetic field of the magnet 10; thereby reducing the use of parts and achieving the effect of saving space.
Loudspeaker and motor are designed into and insert the signal of telecommunication separately, and loudspeaker and motor not only can work separately like this, can also realize the combined operation, and convenience of customers selects the mode of motor and loudspeaker according to the difference of use scene.
And the center of the basin frame 3 is provided with a first through hole 6 for communicating the first chamber 4 and the second chamber 5. Through the space at first through-hole 6 intercommunication motor and loudspeaker place on the basin frame 3, when loudspeaker and motor all work, synchronous through controlling the two vibration direction, reach the effect of reinforcing vibration each other, improve the volume of loudspeaker and the sense of shaking of reinforcing motor.
Specifically, when the horn works, the air in the first chamber 4 is pushed to vibrate, and the air vibration in the first chamber 4 further pushes the air vibration in the second chamber 5 through the first through hole 6, so that the vibration amplitude of the motor is enhanced, and the vibration feeling of the motor is enhanced. When the motor is in operation, the air vibration in the second chamber 5 is promoted, and the air vibration in the second chamber 5 further promotes the air vibration in the first chamber 4 through the first through hole 6, so that the vibration amplitude of the loudspeaker diaphragm 12 is enhanced, and the volume of the loudspeaker is increased.
Further, the counterweight magnetic steel 8 is connected with the rigid support 9 through bonding, so that the counterweight magnetic steel 8 normally vibrates in the second cavity.
Referring to fig. 1, a front sound cavity is formed between a diaphragm 12 of the loudspeaker and the front cover 1 when the loudspeaker works, and the front cover 1 is provided with a sound outlet 101. The diaphragm 12 pushes the air in the front acoustic chamber to generate sound during vibration, and further transmits the sound to the outside through the sound outlet hole 101. When the loudspeaker works, the vibrating diaphragm 12 and the rear shell 2 of the loudspeaker form a loudspeaker, and the rear shell 2 is provided with an air leakage hole 21. The air in the rear sound cavity is exhausted by the air leakage hole 21, so that the vibration damping in the air of the rear sound cavity is reduced, and the sound production volume of the loudspeaker is enhanced.
In an embodiment of the present invention, as shown in fig. 1, a second through hole 81 is provided in the center of the counterweight magnetic steel 8, and the second through hole 81 is communicated with the first through hole 6 of the basin frame 3. Utilize second through-hole 81 to be linked together the back sound chamber of loudspeaker and the second cavity 5 that the motor belongs to, expanded the back sound chamber of loudspeaker during operation, can further improve loudspeaker in the tone quality of bass frequency section, can also play the effect of balanced pressure to the linear vibration of counter weight magnet steel 8 simultaneously.
In one embodiment of the present invention, the rigid support 9 is provided in plural, and the adjacent rigid supports 9 are spaced apart from each other. The way that the back sound chamber and the second chamber 5 of making loudspeaker be linked together through the interval between the rigid support 9 increases, prevents to cause the airtight of sound chamber behind the loudspeaker after second through-hole 81 blocks up, influences the tone quality of loudspeaker to can also avoid because metal expend with heat and contract with cold can lead to the permanent deformation or the damage of rigid support 9.
In one embodiment of the invention, the motor is a linear motor. The linear motor has a simple structure, and power is transmitted through air, so that mechanical contact can be reduced, friction between parts in the linear motor can be reduced, and the service life of the motor can be prolonged. When the linear motor is operated, an alternating electric signal is input to the motor coil 7, and the motor coil 7 generates a periodically changing electromagnetic field. Under the action of the electromagnetic field, the counterweight magnetic steel 8 linearly vibrates in the second chamber 5, so that the combined structure of the horn and the motor generates vibration.
In one embodiment of the invention, the loudspeaker is designed by adopting a moving-coil structure, and the moving-coil loudspeaker has the advantages of high sensitivity and low distortion. Referring to fig. 1, when the speaker operates, an audio signal is input to the speaker coil 13, the speaker coil 13 after the audio signal is input is stressed in a uniform magnetic field and vibrates, the vibration of the speaker coil 13 drives the diaphragm 12 to vibrate, and then the diaphragm 12 pushes air to sound.
In an embodiment of the present invention, as shown in fig. 1, the basin stand 3 is further provided with a third through hole 31, and the second chamber 5 is communicated with a magnetic field gap where the horn coil 13 vibrates through the third through hole 31. In the process of loudspeaker work, utilize third through-hole 31 to be linked together the magnetic field clearance that loudspeaker coil 13 vibrates the place with the second cavity 5 that the motor is located, expanded the back sound cavity of loudspeaker during operation, can further improve loudspeaker in the tone quality of bass frequency section, can also accelerate loudspeaker coil 13's heat dissipation through third through-hole 31 simultaneously.
In one embodiment of the present invention, as shown in fig. 1, a connection ring 14 is provided on the inner wall of the front cover 1 at a position adjacent to the washer 11, and the outer edge of the diaphragm 12 is fitted on the connection ring 14. The connection ring 14 may be a circular ring made of metal or nonmetal, such as a steel ring, a plastic ring, or a rubber ring. The assembly method may be, for example, that the connection ring 14 is fixedly connected to the washer 11 by gluing, then the outer edge of the diaphragm 12 is connected to the connection ring 14 by gluing, and the diaphragm 12 is fixed by the connection ring 14. Because the vibrating diaphragm 12 is a sensitive element to the change of the magnetic field, the connecting ring 14 can also play a role in buffering the vibration of the front cover 1, the outer edge of the vibrating diaphragm 12 is fixed on the washer 11 by the connecting ring 14, and compared with the method that the outer edge of the vibrating diaphragm 12 is directly fixed on the washer 11, the interference of the magnetic field of the washer 11 on the sound production of the vibrating diaphragm 12 can be reduced, and the tone quality of the loudspeaker is ensured.
In one embodiment of the present invention, as shown in fig. 1, a non-metal ring 32 is provided in the tub frame 3 at a position surrounding the outer ring of the motor coil 7 to block the magnetic conduction of the tub frame 3. The frame 3 is divided into two parts by the non-metallic ring 32: one part for the magnetic conduction of the magnet 10 and the other part for supporting the motor coil 7. When the motor and the loudspeaker work together, the magnetic field generated by the magnet 10 and the electromagnetic field generated by the motor coil 7 after being electrified can be prevented from magnetizing the basin frame 3 at the same time, so that the superposition of the magnetic field is avoided, the sensitivity of the loudspeaker is reduced, and even the loudspeaker is distorted.
Finally, it should be noted that the vibration directions of the motor and the horn can be controlled to be synchronous by the winding mode of the coil, the connected positive and negative electrodes, the design of the circuit and the like. When the vibration directions of the motor and the loudspeaker are adjusted to be synchronous, direct current is input into the loudspeaker coil, and when the loudspeaker coil and the motor coil synchronously move towards the sound outlet hole, the current input end of the loudspeaker coil at the moment is defined as a positive electrode. And when the counterweight magnetic steel moves towards the sound outlet hole, the input end of the motor coil current at the moment is defined as the positive pole. Then, the same phase AC signals are input to the positive poles of the motor coil and the horn coil, so that the vibration directions of the motor and the horn are synchronous.
According to the electronic product provided by the embodiment of the invention, the combined structure of the loudspeaker and the motor is adopted, so that the internal space of the electronic product can be saved; when the loudspeaker and the motor work together in the electronic product, the vibration directions of the loudspeaker and the motor are controlled to be synchronous, and the effect of mutually enhancing vibration is achieved. The volume of the loudspeaker is increased, and meanwhile, the vibration sense of the motor can be enhanced. And the second chamber 5 where the motor is located expands the volume of the rear sound cavity when the loudspeaker works, and the tone quality of the loudspeaker in a low-frequency section can be further improved.
The electronic product can be a watch, a bracelet, an earphone and the like.
While the foregoing is directed to embodiments of the present invention, other modifications and variations of the present invention may be devised by those skilled in the art in light of the above teachings. It should be understood by those skilled in the art that the foregoing detailed description is for the purpose of better explaining the present invention, and the scope of the present invention should be determined by the scope of the appended claims.
Claims (10)
1. A combined structure of a loudspeaker and a motor comprises a front cover and a rear shell, wherein the front cover and the rear shell form an accommodating cavity; the method is characterized in that: a basin frame is arranged in the containing cavity, the basin frame divides the containing cavity into a first cavity and a second cavity, and a first through hole for communicating the first cavity with the second cavity is formed in the basin frame; the loudspeaker is arranged in the first cavity, the motor is arranged in the second cavity, and the loudspeaker and the motor are respectively and independently connected with an electric signal;
the motor comprises a motor coil, counterweight magnetic steel and a rigid support; the motor coil is wound on the basin frame in the second chamber, the counterweight magnetic steel is connected with the rigid support, and the rigid support is assembled on the basin frame;
the loudspeaker comprises the basin frame, a magnet, a washer, a vibrating diaphragm and a loudspeaker coil; the basin stand and the washer conduct the magnetic field generated by the magnet; the loudspeaker coil is arranged in a magnetic field gap between the basin frame and the magnet, and the vibrating diaphragm is connected with the loudspeaker coil.
2. The horn and motor combination of claim 1, wherein: the counterweight magnetic steel is connected with the rigid support through bonding.
3. The horn and motor combination of claim 2, wherein: and a second through hole is formed in the counterweight magnetic steel and is communicated with the first through hole of the basin frame.
4. The horn and motor combination of claim 2, wherein: the rigid support is provided with a plurality of, and adjacent rigid support sets up at interval each other.
5. The horn and motor combination of claim 1, wherein: the loudspeaker is a moving coil loudspeaker.
6. The horn and motor combination of claim 1, wherein: the basin frame is further provided with a third through hole, and the second chamber is communicated with the magnetic field gap through the third through hole.
7. The horn and motor combination of claim 6, wherein: the pot frame is provided with a non-metal ring at the position of the outer ring of the motor coil and used for blocking the magnetic conduction of the pot frame.
8. The horn and motor combination of claim 1, wherein: and a connecting ring is arranged on the inner wall of the front cover and close to the washer, and the outer edge of the diaphragm is assembled on the connecting ring.
9. The horn and motor combination of claim 1, wherein: a front sound cavity is formed between the vibrating diaphragm of the loudspeaker and the front cover when the loudspeaker works, and the front cover is provided with a sound outlet hole;
the vibrating diaphragm of loudspeaker with constitute between the backshell the back sound chamber of loudspeaker during operation, the backshell is equipped with the hole of disappointing.
10. An electronic product, characterized in that: the electronic product comprises a horn and motor combination as claimed in any one of claims 1 to 9.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111352736.1A CN114268890A (en) | 2021-11-16 | 2021-11-16 | Combination structure of loudspeaker and motor |
| PCT/CN2021/137660 WO2023087447A1 (en) | 2021-11-16 | 2021-12-14 | Loudspeaker and motor combined structure and electronic product |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111352736.1A CN114268890A (en) | 2021-11-16 | 2021-11-16 | Combination structure of loudspeaker and motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114268890A true CN114268890A (en) | 2022-04-01 |
Family
ID=80825318
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111352736.1A Pending CN114268890A (en) | 2021-11-16 | 2021-11-16 | Combination structure of loudspeaker and motor |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN114268890A (en) |
| WO (1) | WO2023087447A1 (en) |
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| CN204929248U (en) * | 2015-08-27 | 2015-12-30 | 歌尔声学股份有限公司 | Moving -coil loudspeaker |
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- 2021-11-16 CN CN202111352736.1A patent/CN114268890A/en active Pending
- 2021-12-14 WO PCT/CN2021/137660 patent/WO2023087447A1/en unknown
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| US20060028077A1 (en) * | 2004-08-04 | 2006-02-09 | Tadao Yamaguchi | Flat vibration brushless motor |
| JP2006080869A (en) * | 2004-09-09 | 2006-03-23 | Tokyo Parts Ind Co Ltd | Electromagnetic sound transducer equipped with flat vibration motor |
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Also Published As
| Publication number | Publication date |
|---|---|
| WO2023087447A1 (en) | 2023-05-25 |
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Application publication date: 20220401 |
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| RJ01 | Rejection of invention patent application after publication |