CN113242498B - Lower clamping plate structure for loudspeaker - Google Patents
Lower clamping plate structure for loudspeaker Download PDFInfo
- Publication number
- CN113242498B CN113242498B CN202110703199.4A CN202110703199A CN113242498B CN 113242498 B CN113242498 B CN 113242498B CN 202110703199 A CN202110703199 A CN 202110703199A CN 113242498 B CN113242498 B CN 113242498B
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- Prior art keywords
- plate
- clamping plate
- lower clamping
- voice coil
- air
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- 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
- H04R9/022—Cooling arrangements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/12—Sanitary or hygienic devices for mouthpieces or earpieces, e.g. for protecting against infection
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- 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
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/02—Details
- H04R9/04—Construction, mounting, or centering of coil
-
- 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
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
- H05K7/20136—Forced ventilation, e.g. by fans
- H05K7/20145—Means for directing air flow, e.g. ducts, deflectors, plenum or guides
Abstract
A lower clamping plate structure for a loudspeaker belongs to the field of loudspeakers; the lower clamping plate structure for the loudspeaker is inserted into the voice coil and used for fixing the permanent magnet, and comprises a lower clamping plate, wherein the lower clamping plate is movably connected with the voice coil, a sealing plate is conducted inside the lower clamping plate and fixedly installed in the lower clamping plate, and the lower clamping plate is divided into two independent and conducted cavities by the sealing plate; the air inlet mechanism is arranged in one of the cavities and used for sucking outside air into a space formed between the voice coil and the lower clamping plate when the voice coil vibrates upwards; an exhaust mechanism provided in the other of the chambers to exhaust hot air in a space formed between the voice coil and the lower clamp plate when the voice coil vibrates downward; the filter assembly is arranged at the lower part of the lower clamping plate and used for purifying air entering the lower clamping plate so as to adsorb dust entering air in the lower clamping plate.
Description
Technical Field
The invention belongs to the technical field of loudspeakers, and particularly relates to a lower clamping plate structure for a loudspeaker.
Background
A speaker clip. The material is soft iron, namely pure iron, also called electrician iron, and the main characteristic is magnetic conduction, but no residual magnetism exists, namely after a magnetic field disappears, the magnetism of the iron disappears immediately, the purity and the quality of the iron directly influence the efficiency of the loudspeaker, the non-linear distortion and other important parameters, wherein the thickness of a clamping plate influences the stroke of the loudspeaker, and T iron clamping plates of the long-stroke loudspeaker are extremely thick, namely parallel and uniform magnetic lines of force can be cut in the whole stroke of a voice coil. The smaller the gap between the clamping plate and the center post of the T iron is, the smaller the power required by the voice coil movement is, and the higher the efficiency of the loudspeaker is, so that the magnetic liquid is injected between the T iron and the clamping plate of the magnetic liquid type loudspeaker, the distance between the T iron and the clamping plate is reduced, and on the other hand, the heat of the voice coil is rapidly taken away, and the power bearing capacity of the loudspeaker is improved.
In traditional speaker equipment, mainly rely on the through-hole of seting up on the basin frame to the heat dissipation of speaker to carry out the air exchange, this kind of radiating mode is more single can't carry out more effective heat dissipation, and the rehearsal becomes to set up the through-hole on the lower plate, utilizes the sound membrane vibrations to realize the air exchange, and the same is kept away from and is leaded to the heat dissipation not good, proposes a lower plate structure for the speaker now and realizes dredging the air to improve the radiating efficiency.
Disclosure of Invention
The present invention mainly solves the technical problems existing in the prior art, and provides a lower clamping plate structure for a loudspeaker.
The technical problem of the invention is mainly solved by the following technical scheme: a lower plate structure for a speaker is inserted into a voice coil and used for fixing a permanent magnet, comprising:
the lower clamping plate is movably connected with the voice coil, a sealing plate is communicated and fixedly installed in the lower clamping plate, and the lower clamping plate is divided into two independent and communicated cavities by the sealing plate;
the air inlet mechanism is arranged in one of the cavities and used for sucking outside air into a space formed between the voice coil and the lower clamping plate when the voice coil vibrates upwards;
an exhaust mechanism provided in the other of the chambers to exhaust hot air in a space formed between the voice coil and the lower clamp plate when the voice coil vibrates downward;
the filter assembly is arranged at the lower part of the lower clamping plate and used for purifying air entering the lower clamping plate so as to adsorb dust entering air in the lower clamping plate.
Preferably, the air inlet mechanism comprises a gasket fixedly installed in one of the cavities and an elastic structure penetrating through the gasket and matched with the gasket;
wherein, the middle part of the gasket is provided with a through hole.
Preferably, the elastic structure comprises a baffle fixedly arranged on the sealing plate and a connecting rod arranged on the baffle in a sliding manner through a pressure spring; the upper portion of connecting rod extends to the packing ring upper surface is connected the baffle on, the lower part of going up the baffle is provided with the rubber circle, the lower part of connecting rod still be provided with the stopper of pressure spring butt.
Preferably, the exhaust assembly comprises an exhaust plate fixedly installed in the other chamber, an expansion link movably arranged through the exhaust plate, a lower partition plate fixedly installed at the lower part of the expansion link, and a swing structure connected with the lower partition plate;
wherein, be the circumference equidistance on the air discharge plate and be provided with a plurality of air vents, just baffle upper portion also is provided with down the rubber circle.
Preferably, the swing structure comprises a swing rod hinged with the sealing plate through a first torsion spring and a connecting rod for connecting the swing rod with the telescopic rod.
Preferably, the filter assembly comprises a filter plate connected with the lower part of the lower clamping plate through a mounting structure, and a plurality of filter holes are formed in the filter plate.
Preferably, the mounting structure is provided with a plurality of groups in the circumferential direction, the mounting structure comprises a clamping plate which is elastically connected with the lower clamping plate through a second torsion spring, and the clamping plate is matched with the filter plate to fix the filter plate on the lower clamping plate.
The invention has the following beneficial effects:
in the working process of the loudspeaker, the voice coil is connected with external alternating current to generate a magnetic field, and the magnetic field generated by the voice coil and the magnetic field generated by the permanent magnet attract or repel each other to drive the sound film to vibrate;
air entering into the lower clamping plate is purified by arranging the filtering component so as to adsorb dust in the dust.
Drawings
FIG. 1 is a schematic diagram of an embodiment of the present invention;
FIG. 2 is an enlarged schematic view of section A of FIG. 1;
FIG. 3 is an enlarged schematic view of section B of FIG. 1;
FIG. 4 is a schematic three-dimensional perspective view of the lower splint;
in the figure: 1. a lower splint; 2. a voice coil; 3. a gasket; 4. an upper partition plate; 5. a rubber ring; 6. a connecting rod; 7. a pressure spring; 8. a limiting block; 9. a baffle plate; 10. a sealing plate; 11. an exhaust plate; 12. a lower partition plate; 13. a telescopic rod; 14. a connecting rod; 15. a swing plate; 16. a first torsion spring; 17. a filter plate; 18. clamping a plate; 19. and a second torsion spring.
Detailed Description
The technical scheme of the invention is further specifically described by the following embodiments and the accompanying drawings.
Example (b): a lower clip structure for a speaker, as shown in fig. 1 to 4, which is inserted into a voice coil 2 and is used for fixing a permanent magnet, comprising:
the voice coil 2 is movably connected with the lower clamping plate 1, a sealing plate 10 is communicated and fixedly installed in the lower clamping plate 1, and the lower clamping plate 1 is divided into two independent and communicated cavities by the sealing plate 10;
the air inlet mechanism is arranged in one of the cavities and used for sucking outside air into a space formed between the voice coil 2 and the lower clamping plate 1 when the voice coil 2 vibrates upwards;
an exhaust mechanism provided in the other of the chambers to exhaust hot air in a space formed between the voice coil 2 and the lower plate 1 when the voice coil 2 vibrates downward;
the filter assembly is arranged at the lower part of the lower clamping plate 1 and used for purifying air entering the lower clamping plate 1 so as to adsorb dust entering air in the lower clamping plate 1.
In the embodiment of the invention, in the working process of the loudspeaker, the voice coil 2 is connected with external alternating current to generate a magnetic field, and the magnetic field is attracted or repelled with the magnetic field generated by the permanent magnet to drive the sound film to vibrate;
the air entering the lower clamping plate 1 is purified by arranging the filtering component so as to adsorb dust in the air;
in this embodiment, the voice coil 2 is connected to a cone (not shown) through a voice diaphragm, the cone is connected to a frame (not shown), and the bottom of the frame is connected to the upper surface of the permanent magnet through a washer (not shown).
As an embodiment of the present invention, the air intake mechanism includes a gasket 3 fixedly installed in one of the chambers, and an elastic structure penetrating the gasket 3 and engaged with the gasket 3;
wherein, the middle part of the gasket 3 is provided with a through hole.
In the embodiment of the invention, when the voice diaphragm vibrates upwards, the pressure intensity of the space formed between the voice coil 2 and the lower clamping plate 1 is reduced, and the elastic structure is upwards attracted under the action of the pressure intensity, so that the external cold air flows into the space formed between the voice coil 2 and the lower clamping plate 1 through the through hole formed in the gasket 3, and the temperature reduction is realized;
in the embodiment of the invention, in the initial state, the elastic structure is tightly attached to the gasket 3, so that when the voice coil 2 vibrates downwards, the air inlet mechanism is in a closed state, and at the moment, hot air can only be exhausted by the exhaust mechanism, thereby realizing the dredging of air.
As an embodiment of the present invention, the elastic structure includes a baffle plate 9 fixedly installed on the sealing plate 10, a connecting rod 6 slidably disposed on the baffle plate 9 by a compression spring 7;
the upper portion of connecting rod 6 extends to 3 upper surfaces of packing ring and connect upper baffle 4, the lower part of going up baffle 4 is provided with rubber circle 5, the lower part of connecting rod 6 still is provided with the stopper 8 with the 7 butts of pressure spring.
In the embodiment of the invention, when the voice diaphragm vibrates upwards to reduce the pressure of the space formed between the voice coil 2 and the lower clamping plate 1, the upper partition plate 4 moves upwards under the action of the pressure and compresses the pressure spring 7 to conduct the through hole on the gasket 3, and the outside cold air enters the space formed between the voice coil 2 and the lower clamping plate 1 to realize cooling;
in the embodiment of the present invention, the compression spring 7 is always in a compressed state, and the damping coefficient of the compression spring 7 is small.
As an embodiment of the present invention, the exhaust assembly includes an exhaust plate 11 fixedly installed in another chamber, an expansion link 13 movably installed through the exhaust plate 11, a lower partition plate 12 fixedly installed at a lower portion of the expansion link 13, and a swing structure connected to the lower partition plate 12;
wherein, be the circumference equidistance on the air discharge plate 11 and be provided with a plurality of air vents, just lower baffle 12 upper portion also is provided with rubber circle 5.
In the embodiment of the invention, when the sound film vibrates downwards, the upper clapboard 4 and the gasket 3 are tightly attached through the rubber ring 5 under the action of the pressure spring 7, the air inlet mechanism is in a closed state, at the moment, hot air in a space formed between the voice coil 2 and the lower splint 1 acts on the lower clapboard 12, and at the moment, the hot air is exhausted through the air holes formed in the exhaust plate 11;
in the embodiment of the present invention, in the initial state, the lower partition plate 12 and the exhaust plate 11 are kept in close contact to prevent air from entering the space formed between the voice coil 2 and the lower clamp plate 1 by the exhaust mechanism and causing turbulence of the air flow when the voice diaphragm vibrates upwards.
As an embodiment of the present invention, the swing structure includes a swing lever 15 hinged to the sealing plate 10 by a torsion spring 16, and a connecting rod 14 connecting the swing lever 15 and the telescopic rod 13.
In the embodiment of the invention, when in use, under the action of the torsion spring 16, the swinging rod 15 enables the lower partition plate 12 and the exhaust plate 11 to be in a close fit state through the connecting rod 14, and in the process of downward vibration of the sound film, hot air acts on the lower partition plate 12 under the action of pressure so as to separate the lower partition plate from the exhaust plate 11, so that the exhaust plate 11 is conducted.
As an embodiment of the present invention, the filter assembly includes a filter plate 17 connected to a lower portion of the lower clamping plate 1 by a mounting structure, and the filter plate 17 is provided with a plurality of filter holes.
In the embodiment of the present invention, the filter plate 17 is circular, and the filter plate 17 is provided with a plurality of filter holes to absorb dust in the air, and the filter plate 17 is fixed on the lower clamp plate 1 through a mounting structure, so that when the filter plate 17 is full of dust, the filter plate 17 is convenient to clean.
As an embodiment of the present invention, a plurality of sets of mounting structures are circumferentially arranged, each mounting structure includes a clamping plate 18 elastically connected to the lower clamping plate 1 through a second torsion spring 19, and the clamping plates 18 cooperate with the filter plate 17 to fix the filter plate 17 on the lower clamping plate 1.
In the embodiment of the invention, when in use, the upper part of the clamping plate 18 is arranged like a triangle, so that the filter plate 17 is convenient to mount, and when in disassembly, the disassembly can be realized only by pulling the clamping plate 18, the structure is simple, and the usability is strong.
The principle of the invention is as follows: when the voice coil is used, the voice coil 2 is connected with external alternating current to generate a magnetic field, the magnetic field is attracted or repelled with the magnetic field generated by the permanent magnet to drive the voice diaphragm to vibrate, when the voice diaphragm vibrates upwards, the pressure intensity of a space formed between the voice coil 2 and the lower clamping plate 1 is reduced, the upper partition plate 4 rises under the action of the pressure intensity, at the moment, external cold air enters the space formed between the voice coil 2 and the lower clamping plate 1 from the through hole in the middle of the gasket 3 after being filtered by the filter plate 17, then, when the voice diaphragm vibrates downwards, hot air in the space formed between the voice coil 2 and the lower clamping plate 1 is compressed, at the moment, the upper partition plate 4 is attached to the gasket 3 under the action of the pressure spring 7, the hot air acts on the lower partition plate 12 and downwards extrudes the lower partition plate 12 to force the hot air to escape from the air holes in the exhaust plate 11.
Finally, it should be noted that the above embodiments are merely representative examples of the present invention. It is obvious that the invention is not limited to the above-described embodiments, but that many variations are possible. Any simple modification, equivalent change and modification made to the above embodiments in accordance with the technical spirit of the present invention should be considered to be within the scope of the present invention.
Claims (7)
1. The utility model provides a lower plate structure for speaker, inserts and puts in voice coil loudspeaker voice coil (2) and is used for fixed permanent magnet, its characterized in that, lower plate structure for speaker includes:
the voice coil loudspeaker comprises a lower clamping plate (1), wherein the lower clamping plate (1) is movably connected with a voice coil (2), a sealing plate (10) is communicated and fixedly installed in the lower clamping plate (1), and the lower clamping plate (1) is divided into two independent and communicated cavities by the sealing plate (10);
the air inlet mechanism is arranged in one of the cavities and used for sucking outside air into a space formed between the voice coil (2) and the lower clamping plate (1) when the voice coil (2) vibrates upwards;
an exhaust mechanism provided in the other of the chambers to exhaust hot air in a space formed between the voice coil (2) and the lower plate (1) when the voice coil (2) vibrates downward;
the filter assembly is arranged at the lower part of the lower clamping plate (1) and used for purifying air entering the lower clamping plate (1) so as to adsorb dust entering air in the lower clamping plate (1).
2. The lower clip structure for a speaker according to claim 1, wherein: the air inlet mechanism comprises a gasket (3) fixedly installed in one of the cavities and an elastic structure which penetrates through the gasket (3) and is matched with the gasket (3);
wherein, the middle part of the gasket (3) is provided with a through hole.
3. A lower clip structure for a speaker according to claim 2, wherein: the elastic structure comprises a baffle plate (9) fixedly arranged on the sealing plate (10) and a connecting rod (6) arranged on the baffle plate (9) in a sliding manner through a pressure spring (7);
the upper portion of connecting rod (6) extends to packing ring (3) upper surface is connected and is gone up baffle (4), the lower part of going up baffle (4) is provided with rubber circle (5), the lower part of connecting rod (6) still is provided with stopper (8) with pressure spring (7) butt.
4. The lower clip structure for a speaker according to claim 1, wherein: the exhaust mechanism comprises an exhaust plate (11) fixedly arranged in the other cavity, a telescopic rod (13) movably arranged through the exhaust plate (11), a lower partition plate (12) fixedly arranged at the lower part of the telescopic rod (13), and a swing structure connected with the lower partition plate (12);
wherein, be the circumference equidistance on air discharge plate (11) and be provided with a plurality of air vents, just baffle (12) upper portion down also is provided with rubber circle (5).
5. The lower clip structure for a speaker according to claim 4, wherein: the swing structure comprises a swing rod (15) hinged with the sealing plate (10) through a first torsion spring (16) and a connecting rod (14) connecting the swing rod (15) and the telescopic rod (13).
6. The lower clip structure for a speaker according to claim 1, wherein: the filter assembly comprises a filter plate (17) connected with the lower part of the lower clamping plate (1) through a mounting structure, and a plurality of filter holes are formed in the filter plate (17).
7. The lower clip structure for speaker as claimed in claim 6, wherein: the mounting structure is that the circumference is provided with the multiunit, mounting structure include through No. two torsional springs (19) with lower plate (1) elastic connection's cardboard (18), cardboard (18) with filter (17) cooperation is in order to fix filter (17) on lower plate (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110703199.4A CN113242498B (en) | 2021-06-24 | 2021-06-24 | Lower clamping plate structure for loudspeaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110703199.4A CN113242498B (en) | 2021-06-24 | 2021-06-24 | Lower clamping plate structure for loudspeaker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113242498A CN113242498A (en) | 2021-08-10 |
| CN113242498B true CN113242498B (en) | 2022-06-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110703199.4A Active CN113242498B (en) | 2021-06-24 | 2021-06-24 | Lower clamping plate structure for loudspeaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113242498B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1992021217A1 (en) * | 1991-05-16 | 1992-11-26 | The Nordschow/Wright Loudspeaker Company | Flow-through air-cooled loudspeaker system |
| US5246353A (en) * | 1991-07-09 | 1993-09-21 | Sohn Tong Hoon | Air breezing pump |
| US5909015A (en) * | 1998-03-26 | 1999-06-01 | Yamamoto; Shuji | Self-cooled loudspeaker |
| CN208891070U (en) * | 2018-12-14 | 2019-05-21 | 梅州市高标电声科技有限公司 | A kind of heat dissipation type magnetic shield for super-thin speaker |
| CN110602610A (en) * | 2019-09-20 | 2019-12-20 | 宁波东源音响器材有限公司 | Subwoofer with low power compression |
| EP3705802A1 (en) * | 2019-03-08 | 2020-09-09 | Thomas Kämpf | Sound insulation assembly |
| CN212876108U (en) * | 2020-07-29 | 2021-04-02 | 江苏云界安全技术有限公司 | Novel cooling system and loudspeaker |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6678387B2 (en) * | 2001-10-30 | 2004-01-13 | Alpine Electronics, Inc. | Loudspeaker having cooling system |
| US6771791B2 (en) * | 2002-05-15 | 2004-08-03 | Mmats Professional Audio, Inc. | Air pump speaker |
| CN101018426B (en) * | 2007-03-02 | 2011-06-01 | 席葆树 | A high-frequency air flow loudspeaker for voice broadcast |
-
2021
- 2021-06-24 CN CN202110703199.4A patent/CN113242498B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1992021217A1 (en) * | 1991-05-16 | 1992-11-26 | The Nordschow/Wright Loudspeaker Company | Flow-through air-cooled loudspeaker system |
| US5246353A (en) * | 1991-07-09 | 1993-09-21 | Sohn Tong Hoon | Air breezing pump |
| US5909015A (en) * | 1998-03-26 | 1999-06-01 | Yamamoto; Shuji | Self-cooled loudspeaker |
| CN208891070U (en) * | 2018-12-14 | 2019-05-21 | 梅州市高标电声科技有限公司 | A kind of heat dissipation type magnetic shield for super-thin speaker |
| EP3705802A1 (en) * | 2019-03-08 | 2020-09-09 | Thomas Kämpf | Sound insulation assembly |
| CN110602610A (en) * | 2019-09-20 | 2019-12-20 | 宁波东源音响器材有限公司 | Subwoofer with low power compression |
| CN212876108U (en) * | 2020-07-29 | 2021-04-02 | 江苏云界安全技术有限公司 | Novel cooling system and loudspeaker |
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| Publication number | Publication date |
|---|---|
| CN113242498A (en) | 2021-08-10 |
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