CN109980892B - Voice coil motor - Google Patents
Voice coil motor Download PDFInfo
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- CN109980892B CN109980892B CN201910296500.7A CN201910296500A CN109980892B CN 109980892 B CN109980892 B CN 109980892B CN 201910296500 A CN201910296500 A CN 201910296500A CN 109980892 B CN109980892 B CN 109980892B
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- square
- voice coil
- coil motor
- rubber tube
- groove
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K41/00—Propulsion systems in which a rigid body is moved along a path due to dynamo-electric interaction between the body and a magnetic field travelling along the path
- H02K41/02—Linear motors; Sectional motors
- H02K41/035—DC motors; Unipolar motors
- H02K41/0352—Unipolar motors
- H02K41/0354—Lorentz force motors, e.g. voice coil motors
- H02K41/0356—Lorentz force motors, e.g. voice coil motors moving along a straight path
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/24—Casings; Enclosures; Supports specially adapted for suppression or reduction of noise or vibrations
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/02—Arrangements for cooling or ventilating by ambient air flowing through the machine
- H02K9/04—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Electromagnetism (AREA)
- Reciprocating, Oscillating Or Vibrating Motors (AREA)
- Motor Or Generator Cooling System (AREA)
- Linear Motors (AREA)
Abstract
The invention belongs to the technical field of motors, and particularly relates to a voice coil motor which comprises a steel pipe, a groove, a coil rod, a push rod, a square base plate, a square rubber block, a square block, a reset spring, a cylindrical groove, a guide rail, an L-shaped plate, a corrugated rubber pipe, a one-way air nozzle, a one-way air inlet head, a fixing plate, a cylindrical cavity, an arc magnetic block and a driving magnet circular frame. The invention is beneficial to continuously blowing and dispersing the heat of the voice coil motor to achieve the effect of cooling, is beneficial to cleaning away dust adhered to the surface, increases the function of a damping structure, is beneficial to relieving the vibration intensity caused by instant thrust, sprays internal gas from eight one-way air nozzles arranged side by side through the corrugated rubber tube in a compressed state, is beneficial to continuously blowing and dispersing the heat of the voice coil motor, and extrudes the reset spring in the cylindrical groove to be in a compressed state through the push rod arranged on the L-shaped plate to achieve the effect of buffering.
Description
Technical Field
The invention belongs to the technical field of motors, and particularly relates to a voice coil motor.
Background
The coil motor mainly comprises simple components, and the coil, the spring, the magnet and some fixed structures are devices for converting electric energy into mechanical energy, realizing linear type and limited swing angle movement, and utilizing the interaction between magnetic poles in a magnetic field generated by permanent magnetic steel and a magnetic field generated by an electrified coil conductor to generate regular movement.
Linear type voice coil motor operation can produce the heat, and the heat can not obtain fine heat dissipation and will burn out the plastic insulation layer, influence normal use, current linear type voice coil motor lacks corresponding external heat radiation structure, and adsorb on the surface at the operation dust, be not convenient for in time clear up, linear type voice coil motor's push-down coil motion exposes outside, there is the hidden danger that gets into on the coil from the clearance, the vibrations that the while operation produced are great, thereby the noise that shock-absorbing structure function need further improve and produce remains to reduce. In view of this, the present invention provides a voice coil motor, which has the following features:
(1) the voice coil motor provided by the invention is beneficial to continuously blowing and dispersing heat of the voice coil motor to achieve the effect of cooling, is beneficial to cleaning dust adhered to the surface, and is beneficial to continuously blowing and dispersing the heat of the voice coil motor by ejecting internal gas from eight one-way air ejecting heads which are arranged side by side through the corrugated rubber pipe in a compressed state.
(2) According to the voice coil motor provided by the invention, the damping structure function and the structure function of arranging the driving magnet round frame magnetic body in the middle of the steel pipe are added, so that the vibration intensity caused by instant thrust is relieved, the effect of reducing noise generated by machine body operation is achieved, and the reset spring in the cylindrical groove is extruded to be in a compressed state through the push rod arranged on the L-shaped plate, so that the buffering effect is achieved.
Disclosure of Invention
The invention aims to solve the problems, and provides a voice coil motor which is beneficial to continuously blowing and dispersing heat of the voice coil motor to achieve a cooling effect and simultaneously is beneficial to cleaning dust adhered to the surface of the voice coil motor.
The invention realizes the aim by the following technical scheme, a voice coil motor comprises a driving magnet round frame, a coil rod, a square block, a groove, a heat dissipation mechanism and a damping mechanism, wherein the groove is formed in one side of the middle part of the square block, the driving magnet round frame is vertically arranged on one side of the inner wall of the groove, the coil rod is arranged in the end opening of the driving magnet round frame, one end of the coil rod is arranged in the middle of the side surface of an L-shaped plate, circular arc magnetic blocks are annularly and equidistantly arranged on the annular surfaces of a steel pipe and the driving magnet round frame, the driving magnet round frame is positioned in the middle of the steel pipe through the circular arc magnetic blocks with opposite magnetic action, a plurality of heat dissipation holes are annularly formed in the annular surface of the steel pipe, the end opening of one end of the steel pipe is arranged on one side of the inner wall of the groove, the, and ripple rubber tube one end is installed at L template side surface top intermediate position, one-way jet-propelled head intercommunication is installed in ripple rubber tube bottom one side, one-way head of admitting air is installed in ripple rubber tube top one side, damper includes square rubber piece, cylinder groove, push rod, reset spring and cylinder chamber, the cylinder groove is seted up at recess inner wall opposite side intermediate position, and installs reset spring in the cylinder groove, reset spring one end suit is in push rod one end, the push rod other end is installed on the surface position that the L template corresponds, square rubber piece is installed at square body piece top, and the inside equidistance of square rubber piece has seted up a plurality of cylinder chambers.
Specifically, two guide rails are symmetrically installed on the other side of the top of the square block, and the two guide rails are in sliding connection with the corresponding surfaces of the same L-shaped plate.
Specifically, the side face of one side of the L-shaped plate is close to the top surface of the square block, and two connecting sliding grooves are formed in the side face of one side of the L-shaped plate in parallel.
Specifically, a square base plate is installed at the bottom of the square rubber block, and the maximum cross-section specifications among the square base plate, the square rubber block and the square block are the same.
Specifically, the other end of the corrugated rubber tube is installed on one side of the fixing plate, the fixing plate is installed in the middle of the top of one end of the square body block, and the middle section of the corrugated rubber tube and the middle section of the coil rod are located on the same vertical plane.
Specifically, one-way jet head is equipped with eight, and eight one-way jet head equidistance communicates side by side and installs in ripple rubber tube bottom one side.
The invention has the beneficial effects that:
(1) the voice coil motor provided by the invention is beneficial to continuously blowing and dispersing heat of the voice coil motor to achieve the effect of cooling, is beneficial to cleaning dust adhered to the surface, and is beneficial to continuously blowing and dispersing the heat of the voice coil motor by ejecting internal gas from eight one-way air ejecting heads which are arranged side by side through the corrugated rubber pipe in a compressed state.
(2) According to the voice coil motor provided by the invention, the damping structure function and the structure function of arranging the driving magnet round frame magnetic body in the middle of the steel pipe are added, so that the vibration intensity caused by instant thrust is relieved, the effect of reducing noise generated by machine body operation is achieved, and the reset spring in the cylindrical groove is extruded to be in a compressed state through the push rod arranged on the L-shaped plate, so that the buffering effect is achieved.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a top view of the overall structure of the present invention;
FIG. 3 is a schematic view of a square rubber block according to the present invention;
FIG. 4 is a schematic view of the connection structure of the steel pipe and the driving magnet round frame according to the present invention.
In the figure: 1. the magnetic driving device comprises a steel pipe, 2, a groove, 3, a coil rod, 4, a push rod, 5, a square base plate, 6, a square rubber block, 7, a square block, 8, a reset spring, 9, a cylindrical groove, 10, a guide rail, 11, an L-shaped plate, 12, a corrugated rubber pipe, 13, a one-way air nozzle, 14, a one-way air inlet head, 15, a fixing plate, 16, a cylindrical cavity, 17, an arc magnetic block, 18 and a driving magnet circular frame.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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.
Referring to fig. 1 to 4, a voice coil motor includes a driving magnet round frame 18, a coil rod 3, a square block 7, a recess 2, a heat dissipating mechanism for dissipating heat of the voice coil motor, and a damping mechanism for damping reciprocating extension of the coil rod 3, wherein the groove 2 is arranged at one side of the middle part of the square block 7, a driving magnet round frame 18 is vertically arranged at one side of the inner wall of the groove 2, a coil rod 3 is arranged in the port of the driving magnet round frame 18, one end of the coil rod 3 is arranged in the middle of the side surface of one side of the L-shaped plate 11, the circular surfaces of the steel pipe 1 and the driving magnet circular frame 18 are both provided with circular arc magnetic blocks 17 at equal intervals, and the driving magnet round frame 18 is positioned at the middle part in the steel pipe 1 through an arc magnetic block 17 with opposite magnetic action, a plurality of heat dissipation holes are annularly formed in the annular surface of the steel pipe 1, and a port at one end of the steel pipe 1 is arranged on one side of the inner wall of the groove 2; the heat dissipation mechanism comprises a corrugated rubber tube 12, a one-way air nozzle 13 and a one-way air inlet head 14, wherein both ends of the corrugated rubber tube 12 are of a closed structure, one end of the corrugated rubber tube 12 is arranged in the middle of the top of the surface of one side of the L-shaped plate 11, the one-way air nozzle 13 is communicated and arranged on one side of the bottom of the corrugated rubber tube 12, and the one-way air inlet head 14 is arranged on one side of the top of the corrugated rubber tube 12; the damping mechanism comprises a square rubber block 6, a cylindrical groove 9, a push rod 4, a return spring 8 and a cylindrical cavity 16, wherein the cylindrical groove 9 is formed in the middle of the other side of the inner wall of the groove 2, the return spring 8 is installed in the cylindrical groove 9, one end of the return spring 8 is sleeved at one end of the push rod 4, the other end of the push rod 4 is installed on the surface position corresponding to the L-shaped plate 11, the square rubber block 6 is installed at the top of the square block 7, and the cylindrical cavities 16 are formed in the square rubber block 6 at equal intervals.
Two guide rails 10 are symmetrically arranged on the other side of the top of the square block 7, and the two guide rails 10 are in sliding connection with the corresponding surfaces of the same L-shaped plate 11, so that the L-shaped plate 11 pushed by the coil rod 3 in a reciprocating manner can move in a reciprocating manner in a directional manner; the side surface of one side of the L-shaped plate 11 is close to the top surface of the square block 7, and two connecting sliding grooves are formed in the side surface of one side of the L-shaped plate 11 in parallel, so that the L-shaped plate 11 is in sliding connection with the guide rail 10; the bottom of the square rubber block 6 is provided with a square base plate 5, and the sizes of the maximum cross sections among the square base plate 5, the square rubber block 6 and the square block 7 are the same, so that the effect of consistent installation is achieved; the other end of the corrugated rubber tube 12 is arranged on one side of a fixing plate 15, the fixing plate 15 is arranged in the middle of the top of one end of the square block 7, and the middle section of the corrugated rubber tube 12 and the middle section of the coil rod 3 are positioned on the same vertical plane, so that the port of a one-way air nozzle 13 arranged at the bottom of the corrugated rubber tube 12 is favorably aligned with the coil rod 3; one-way jet head 13 is equipped with eight, and eight one-way jet head 13 equidistance communicates side by side and installs in 12 bottom one side of corrugated rubber tube, through flattening the corrugated rubber tube 12 of shrink for gaseous 13 blowout from one-way jet head reaches and bloies radiating effect to coil pole 3 that has the heat.
When the voice coil motor cooling device is used, according to the mechanical motion characteristic of a reciprocating straight line formed by a linear voice coil motor, the coil rod 3 which extends and contracts in a reciprocating mode moves on the guide rail 10 in a reciprocating mode corresponding to the L-shaped plate 11, meanwhile, the corrugated rubber tube 12 is installed between the fixing plate 15 and one side of the L-shaped plate 11, so that the corrugated rubber tube 12 extends and contracts in a reciprocating mode, internal air is sprayed out from the eight one-way air spraying heads 13 which are installed side by side through the corrugated rubber tube 12 in a compression state, heat of the voice coil motor is blown out continuously, the cooling effect is achieved, and dust adhered to the surface is cleaned;
when L template 11 moved to the outside, the reset spring 8 in the 4 extrusion cylinder grooves 9 of push rod through the installation of L template 11 was in compression state, was favorable to alleviating the shock strength that thrust in the twinkling of an eye and arouse, through square rubber block 6 of square block 7 bottom installation and the cylinder chamber 16 of its inside equidistance distribution, increased the shock-absorbing structure function.
Wherein: the driving magnet frame 18 and the coil rod 3 are main components of the voice coil motor.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. A voice coil motor, comprising: the damping device comprises a driving magnet circular frame (18), a coil rod (3), a square block (7), a groove (2), a heat dissipation mechanism for dissipating heat of a voice coil motor and a damping mechanism for damping the reciprocating telescopic coil rod (3), wherein the groove (2) is formed in one side of the middle of the square block (7), the driving magnet circular frame (18) is vertically installed on one side of the inner wall of the groove (2), the coil rod (3) is installed in a port of the driving magnet circular frame (18), one end of the coil rod (3) is installed in the middle of the side face of one side of an L-shaped plate (11), circular arc magnetic blocks (17) are installed on annular faces of a steel pipe (1) and the driving magnet circular frame (18) in an equal annular equal distance mode, the circular arc magnetic blocks (17) are two layers, and the driving magnet circular frame (18) is located in the middle of the steel pipe (1) through the circular arc magnetic blocks (17) with, a plurality of heat dissipation holes are annularly formed in the annular surface of the steel pipe (1), and a port at one end of the steel pipe (1) is installed on one side of the inner wall of the groove (2);
the heat dissipation mechanism comprises a corrugated rubber tube (12), a one-way air nozzle (13) and a one-way air inlet head (14), two ends of the corrugated rubber tube (12) are both of a closed structure, one end of the corrugated rubber tube (12) is installed in the middle of the top of the surface of one side of the L-shaped plate (11), the one-way air nozzle (13) is communicated and installed on one side of the bottom of the corrugated rubber tube (12), and the one-way air inlet head (14) is installed on one side of the top of the corrugated rubber tube (12);
damper includes square rubber piece (6), cylinder groove (9), push rod (4), reset spring (8) and cylinder chamber (16), cylinder groove (9) are seted up at recess (2) inner wall opposite side intermediate position, and install reset spring (8) in cylinder groove (9), reset spring (8) one end suit is in push rod (4) one end, the surface position that L template (11) correspond is installed to the push rod (4) other end, square rubber piece (6) are installed at square body piece (7) top, and a plurality of cylinder chambers (16) have been seted up to square rubber piece (6) inside equidistance.
2. A voice coil motor as claimed in claim 1, wherein: two guide rails (10) are symmetrically installed on the other side of the top of the square block (7), and the two guide rails (10) are in sliding connection with the corresponding surfaces of the same L-shaped plate (11).
3. A voice coil motor as claimed in claim 1, wherein: the side face of one side of the L-shaped plate (11) is close to the top surface of the square block (7), and two connecting sliding grooves are formed in the side face of one side of the L-shaped plate (11) in parallel.
4. A voice coil motor as claimed in claim 1, wherein: the square rubber block (6) is provided with a square base plate (5) at the bottom, and the sizes of the maximum cross sections among the square base plate (5), the square rubber block (6) and the square block (7) are the same.
5. A voice coil motor as claimed in claim 1, wherein: the other end of the corrugated rubber tube (12) is arranged on one side of the fixing plate (15), the fixing plate (15) is arranged in the middle of the top of one end of the square block (7), and the cross section of the middle of the corrugated rubber tube (12) and the cross section of the middle of the coil rod (3) are on the same vertical plane.
6. A voice coil motor as claimed in claim 1, wherein: one-way jet head (13) are equipped with eight, and eight one-way jet head (13) equidistance communicates side by side and installs in ripple rubber tube (12) bottom one side, just one-way jet head (13) are hemispherical structure with one-way head (14) of admitting air.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910296500.7A CN109980892B (en) | 2019-04-13 | 2019-04-13 | Voice coil motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910296500.7A CN109980892B (en) | 2019-04-13 | 2019-04-13 | Voice coil motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109980892A CN109980892A (en) | 2019-07-05 |
| CN109980892B true CN109980892B (en) | 2020-12-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910296500.7A Active CN109980892B (en) | 2019-04-13 | 2019-04-13 | Voice coil motor |
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| CN (1) | CN109980892B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112803699B (en) * | 2021-01-25 | 2022-04-12 | 济南赛诺富隆新材料有限公司 | X-axis reciprocating vibration motor for mixing barrel |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030108218A1 (en) * | 2001-12-06 | 2003-06-12 | Lan Hsien Chung | Spring suspension speaker |
| US20080099705A1 (en) * | 2006-10-25 | 2008-05-01 | Enfield Technologies, Llc | Retaining element for a mechanical component |
| CN101127468A (en) * | 2007-07-11 | 2008-02-20 | 无锡开普动力有限公司 | A cooling fan structure for permanent magnetic generator |
| KR100931022B1 (en) * | 2009-09-14 | 2009-12-10 | 신기음향 주식회사 | Earphone |
| CN102394548B (en) * | 2011-09-22 | 2013-06-19 | 北京航空航天大学 | Voice coil vibration isolating/vibration suppressing structure and control method thereof |
| CN207083003U (en) * | 2017-06-27 | 2018-03-09 | 上海奥茵绅机电科技有限公司 | A kind of stabilization voice coil motor |
| CN207819609U (en) * | 2018-01-26 | 2018-09-04 | 东莞市鑫濠数码科技有限公司 | A kind of voice coil motor facilitating installation |
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| CN109980892A (en) | 2019-07-05 |
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Effective date of registration: 20201130 Address after: 239400 buildings 1 and 3, District D, high end electronic information industrial park, intersection of Huaihe Avenue and ziyangshan Road, Mingguang City, Chuzhou City, Anhui Province Applicant after: Anhui saishida Display Technology Co., Ltd Address before: No. 31, Jiangzhuang Nanxiang, Nanguan Office, Suzhou City, Anhui Province Applicant before: SUZHOU XUNCHI ELECTRONIC TECHNOLOGY Co.,Ltd. |
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