CN104979993A - Horizontal vibration linear motor with high vibration sense - Google Patents
Horizontal vibration linear motor with high vibration sense Download PDFInfo
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- CN104979993A CN104979993A CN201510280392.6A CN201510280392A CN104979993A CN 104979993 A CN104979993 A CN 104979993A CN 201510280392 A CN201510280392 A CN 201510280392A CN 104979993 A CN104979993 A CN 104979993A
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- spring
- coil
- linear motor
- magnet steel
- wiring board
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- 229910000831 Steel Inorganic materials 0.000 claims description 32
- 239000010959 steel Substances 0.000 claims description 32
- 238000003466 welding Methods 0.000 claims description 19
- 238000005516 engineering process Methods 0.000 claims description 5
- 238000004804 winding Methods 0.000 claims description 4
- 101001045744 Sus scrofa Hepatocyte nuclear factor 1-beta Proteins 0.000 claims 8
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 230000003319 supportive effect Effects 0.000 description 1
Abstract
The invention discloses a horizontal vibration linear motor with high vibration sense. The horizontal vibration linear motor comprises a coil assembly, a vibrator assembly and a housing assembly, wherein the coil assembly comprises a left coil assembly and a right coil assembly; the vibrator assembly comprises a vibrator and a spring; the vibrator is mounted on a spring; the housing assembly comprises an upper enclosure and a lower enclosure; the left coil assembly and the right coil assembly are mounted on the inner sides in the upper enclosure and are symmetrically left and right; the vibrator assembly is mounted at the inner center of the upper enclosure; the centers of the left coil assembly, the right coil assembly and the vibrator are located on a same horizontal plane and are vertical to the axis of the spring; the lower enclosure is hermetically connected with the upper enclosure. The horizontal vibration linear motor with high vibration sense disclosed by the invention has the benefits that in light of a resonant theory, electromagnetic forces of sinusoidal variation with same frequency are applied to the vibrator assembly with fixed frequency, so that the vibrator assembly resonates to vibrate and relatively strong vibration sense is generated within a short time.
Description
Technical field
The present invention relates to vibrating motor correlative technology field, refer in particular to a kind of high vibration sense horizontal vibration linear motor.
Background technology
Linear vibration electric motor is mobile phone now, panel computer, the communication terminals such as wearable device and game paddle, the main flow vibrating motor that the equipment such as toy use, because it is response speed and high vibration sense and be subject to the welcome of Ge great main flow cell phone manufacturer fast, but more and more lower along with device height such as mobile phones, harsh requirement be it is also proposed to the height of vibrating motor, most motor is required within the height of 3.0mm, this is provided with obstacle with regard to giving the performance of linear electric machine performance, general axis to vibration-type linear motor because height reason, and simple use cannot be leaned on to heighten voltage to improve vibration sense, so need to be improved from the structure of motor.
Summary of the invention
There is above-mentioned deficiency to overcome in prior art in the present invention, provides a kind of high vibration sense horizontal vibration linear motor that resonance can be utilized effectively to improve vibration sense.
To achieve these goals, the present invention is by the following technical solutions:
A kind of high vibration sense horizontal vibration linear motor, comprise coil block, vibrator component and casing assembly, described coil block comprises left coil group and right coil groups, described vibrator component comprises oscillator and spring, described oscillator is arranged on spring, described casing assembly comprises upper casing and lower casing, symmetrical in the interior side that described left coil group and right coil groups are arranged on upper casing, described vibrator component is arranged on the inside center place of upper casing, described left coil group, the center of right coil groups and oscillator is mutually vertical with the axis at spring place in same level, be tightly connected between described lower casing and upper casing.
Design principle of the present invention, mainly according to the principle of resonance, by applying the electromagnetic force of the sinusoidal variations of same frequency to the vibrator component with fixed frequency, makes vibrator component produce resonance thus produces vibration, bringing vibration sense to equipment such as mobile phones.Wherein: upper casing and lower casing be designed to coil block and vibrator component provides support and protective effect.Vibrator component and coil block are assembled on upper casing according to strict position relationship, to guarantee that the center of left coil group, right coil groups and oscillator is mutually vertical with the axis at spring place in same level, under the field drives that vibrator component is produced at coil block, stronger vibration sense can be produced in a short period of time.
As preferably, described left coil group comprises left main coil and left F-PCB wiring board, described left main coil and the welding of left F-PCB wiring board, described right coil groups comprises right main coil and right F-PCB wiring board, described right main coil and the welding of right F-PCB wiring board, described left main coil is consistent with the direction of winding of right main coil.Left main coil in coil block is consistent with right main coil direction of winding after assembling, thus produce two magnetic fields of direction realtime uniform, because the voltage of the power supply the provided sinusoidal variations that to be frequency consistent with the natural frequency of vibrator component, so coil block can produce the magnetic field with vibrator component fixed frequency identical change, because the natural frequency of vibrator component is identical with the change frequency in magnetic field, vibrator component can produce stronger vibration sense in a short period of time under the driving in this magnetic field.
As preferably, be welded by electronic welding between described left main coil and left F-PCB wiring board and between right main coil and right F-PCB wiring board.Electronic welding has the advantages such as solder joint is tiny, firm, little to high frequency signal attenuation, high temperature resistant.
Preferred as another kind, be welded by automatic welder(welding machine) between described left main coil and left F-PCB wiring board and between right main coil and right F-PCB wiring board.Automatic welding can effectively be increased work efficiency, and reduces working strength.
As preferably, described oscillator comprises balancing weight, left magnet steel and right magnet steel, described spring comprises the first spring and the second spring, described left magnet steel and right magnet steel are arranged on the left and right sides of balancing weight respectively, described balancing weight, left magnet steel and right magnet steel are arranged on the first spring, and the first described spring and the second spring are integrated.The design of the first spring and the second spring improves the firmness of whole spring.
As preferably, described balancing weight, left magnet steel, right magnet steel and spring adopt laser welding technology to be welded.Laser welding has not by spatial limitation, can weld small-sized and parts that interval is close, do not affect by magnetic field, can aim at the advantages such as weldment accurately.
As preferably, the first described spring is the spring with fixed frequency.Such design is carried out vibrating and then resonating according to fixed frequency to meet oscillator.
The invention has the beneficial effects as follows: according to the principle of resonance, by applying the electromagnetic force of the sinusoidal variations of same frequency to the vibrator component with fixed frequency, make vibrator component produce resonance thus produce vibration, the horizontal vibration direction of vibrator component, make space more much bigger than vertical direction, there are enough spaces to allow oscillator provide amplitude, stronger vibration sense can be produced in a short period of time.
Accompanying drawing explanation
Fig. 1 is longitudinal sectional drawing of the present invention;
Fig. 2 is transverse cross-sectional view of the present invention.
In figure: 1. left F-PCB wiring board, 2. left main coil, 3. the first spring, 4. left magnet steel, 5. balancing weight, 6. lower casing, 7. right magnet steel, 8. the second spring, 9. right main coil, 10. right F-PCB wiring board, 11. upper casings.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention will be further described.
As Fig. 1, in embodiment described in Fig. 2, a kind of high vibration sense horizontal vibration linear motor, comprise coil block, there is vibrator component and the casing assembly of fixed frequency, coil block comprises left coil group and right coil groups, vibrator component comprises oscillator and spring, oscillator is arranged on spring, casing assembly comprises upper casing 11 and lower casing 6, symmetrical in the interior side that left coil group and right coil groups are arranged on upper casing 11, vibrator component is arranged on the inside center place of upper casing 11, left coil group, the center of right coil groups and oscillator is mutually vertical with the axis at spring place in same level, be tightly connected between lower casing 6 and upper casing 11.
Left coil group comprises left main coil 2 and left F-PCB wiring board 1, left main coil 2 and left F-PCB wiring board 1 are welded by electronic welding or automatic welder(welding machine), right coil groups comprises right main coil 9 and right F-PCB wiring board 10, right main coil 9 and right F-PCB wiring board 10 are welded by electronic welding or automatic welder(welding machine), and it is consistent that left main coil 2 and right main coil 9 are assemblied in its direction of winding after in upper casing 11.
Oscillator comprises balancing weight 5, left magnet steel 4 and right magnet steel 7, spring comprises the first spring 3 and the second spring 8, left magnet steel 4 and right magnet steel 7 are arranged on the left and right sides of balancing weight 5 respectively, left magnet steel 4 is near left main coil 2, right magnet steel 7 is near right main coil 9, left magnet steel 4 and right magnet steel 7 to be assemblied on balancing weight 5 and by after in spring fitting to upper casing 11 and pole orientation is consistent, balancing weight 5, left magnet steel 4 and right magnet steel 7 are arranged on the first spring 3, first spring 3 and the second spring 8 are integrated, and the first spring 3 is for having the spring of fixed frequency.Wherein: balancing weight 5, left magnet steel 4, right magnet steel 7 and spring adopt laser welding technology to be welded.
The present invention, mainly according to the principle of resonance, by the sinusoidal variations electromagnetic force of applying same frequency to the vibrator component of fixed frequency, makes vibrator component produce resonance thus produce vibration, brings vibration sense to equipment such as mobile phones.Spring, by special designing and calculating, makes its prerequisite meeting mechanical performance be issued to fixing frequency.Then spring and oscillator assemble welding are become vibrator component.Vibrator component and coil block are assembled on upper casing 11 according to strict position relationship, guarantee that left magnet steel 4 center, right magnet steel 7 center, left main coil 2 center and right main coil 9 center are mutually vertical with the axis at spring place in same level.
Left main coil 2 in coil block is consistent with the direction that right main coil 9 assembles rear coiling, thus produce two magnetic fields of direction realtime uniform, because the voltage of the power supply the provided sinusoidal variations that to be frequency consistent with vibrator component natural frequency, so coil block can produce the magnetic field of the change identical with spring fixed frequency, because the natural frequency of spring is identical with the change frequency in magnetic field, vibrator component can produce stronger vibration sense in a short period of time under the driving in this magnetic field.
The linear vibration electric motor more compared to existing use, this motor can improve the rated voltage of motor significantly.The direction of vibration of conventional motors is vertical, but because present client often requires that the height of product can not be too high, this is provided with obstacle with regard to giving the raising of linear electric machine vibration sense, the present invention can overcome this obstacle completely, oscillator is horizontal vibration direction, space is more much bigger than vertical direction, has enough spaces to allow oscillator provide amplitude, so just can be improved the vibration sense of motor by the method for very high Rated motor voltage.
Claims (7)
1. one kind high vibration sense horizontal vibration linear motor, it is characterized in that, comprise coil block, there is vibrator component and the casing assembly of fixed frequency, described coil block comprises left coil group and right coil groups, described vibrator component comprises oscillator and spring, described oscillator is arranged on spring, described casing assembly comprises upper casing (11) and lower casing (6), symmetrical in the interior side that described left coil group and right coil groups are arranged on upper casing (11), described vibrator component is arranged on the inside center place of upper casing (11), described left coil group, the center of right coil groups and oscillator is mutually vertical with the axis at spring place in same level, be tightly connected between described lower casing (6) and upper casing (11).
2. one according to claim 1 high vibration sense horizontal vibration linear motor, it is characterized in that, described left coil group comprises left main coil (2) and left FPCB wiring board (1), described left main coil (2) and left FPCB wiring board (1) welding, described right coil groups comprises right main coil (9) and right FPCB wiring board (10), described right main coil (9) and right FPCB wiring board (10) welding, described left main coil (2) is consistent with the direction of winding of right main coil (9).
3. one according to claim 2 high vibration sense horizontal vibration linear motor, it is characterized in that, be welded by electronic welding between described left main coil (2) and left FPCB wiring board (1) and between right main coil (9) and right FPCB wiring board (10).
4. one according to claim 2 high vibration sense horizontal vibration linear motor, it is characterized in that, be welded by automatic welder(welding machine) between described left main coil (2) and left FPCB wiring board (1) and between right main coil (9) and right FPCB wiring board (10).
5. the one high vibration sense horizontal vibration linear motor according to claim 1 or 2 or 3 or 4, it is characterized in that, described oscillator comprises balancing weight (5), left magnet steel (4) and right magnet steel (7), described spring comprises the first spring (3) and the second spring (8), described left magnet steel (4) and right magnet steel (7) are arranged on the left and right sides of balancing weight (5) respectively, described balancing weight (5), left magnet steel (4) and right magnet steel (7) are arranged on the first spring (3), described the first spring (3) and the second spring (8) are integrated.
6. one according to claim 5 high vibration sense horizontal vibration linear motor, is characterized in that, described balancing weight (5), left magnet steel (4), right magnet steel (7) and spring adopt laser welding technology to be welded.
7. one according to claim 5 high vibration sense horizontal vibration linear motor, is characterized in that, described the first spring (3) is for having the spring of fixed frequency.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510280392.6A CN104979993B (en) | 2015-05-28 | 2015-05-28 | A kind of high vibration sense horizontal vibration linear motor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510280392.6A CN104979993B (en) | 2015-05-28 | 2015-05-28 | A kind of high vibration sense horizontal vibration linear motor |
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| Publication Number | Publication Date |
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| CN104979993A true CN104979993A (en) | 2015-10-14 |
| CN104979993B CN104979993B (en) | 2017-12-22 |
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| CN201510280392.6A Active CN104979993B (en) | 2015-05-28 | 2015-05-28 | A kind of high vibration sense horizontal vibration linear motor |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107516992A (en) * | 2017-10-20 | 2017-12-26 | 维沃移动通信有限公司 | A kind of linear motor and electronic equipment |
| CN109450217A (en) * | 2018-12-29 | 2019-03-08 | 深圳市太赫兹科技创新研究院 | A kind of linear voice coil motor |
| WO2021134241A1 (en) * | 2019-12-30 | 2021-07-08 | 瑞声声学科技(深圳)有限公司 | Vibration motor |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20110003307A (en) * | 2010-12-29 | 2011-01-11 | 손지혁 | Linear acturator |
| CN201789400U (en) * | 2010-03-22 | 2011-04-06 | 瑞声声学科技(常州)有限公司 | Vibration motor |
| CN103812297A (en) * | 2012-11-12 | 2014-05-21 | 三星电机株式会社 | Linear vibration motor |
-
2015
- 2015-05-28 CN CN201510280392.6A patent/CN104979993B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201789400U (en) * | 2010-03-22 | 2011-04-06 | 瑞声声学科技(常州)有限公司 | Vibration motor |
| KR20110003307A (en) * | 2010-12-29 | 2011-01-11 | 손지혁 | Linear acturator |
| CN103812297A (en) * | 2012-11-12 | 2014-05-21 | 三星电机株式会社 | Linear vibration motor |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107516992A (en) * | 2017-10-20 | 2017-12-26 | 维沃移动通信有限公司 | A kind of linear motor and electronic equipment |
| CN109450217A (en) * | 2018-12-29 | 2019-03-08 | 深圳市太赫兹科技创新研究院 | A kind of linear voice coil motor |
| WO2021134241A1 (en) * | 2019-12-30 | 2021-07-08 | 瑞声声学科技(深圳)有限公司 | Vibration motor |
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| Publication number | Publication date |
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| CN104979993B (en) | 2017-12-22 |
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Effective date of registration: 20160223 Address after: 322118 Hengdian Industrial Zone, Zhejiang, Dongyang (bridge head) Applicant after: Zhejiang Dongyang Chengji Electric Motor Co., Ltd. Address before: 322118 Hengdian Industrial Zone, Jinhua, Zhejiang, China, Dongyang Applicant before: Dongci Co., Ltd. of Hengdian Group Corp. |
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Address after: 322118 Hengdian Industrial Zone, Jinhua, Zhejiang, China (head of bridge), Dongyang Applicant after: Zhejiang city of Dongyang Province east Cheng Electronic Co., Ltd. Address before: 322118 Hengdian Industrial Zone, Zhejiang, Dongyang (bridge head) Applicant before: Zhejiang Dongyang Chengji Electric Motor Co., Ltd. |
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Denomination of invention: A horizontal vibration linear motor with high vibration sensitivity Effective date of registration: 20200927 Granted publication date: 20171222 Pledgee: Dongyang Branch of China Construction Bank Co.,Ltd. Pledgor: ZHEJIANG DONGYANG DONGCI CHENGJI ELECTRONIC Co.,Ltd. Registration number: Y2020330000771 |
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Date of cancellation: 20220110 Granted publication date: 20171222 Pledgee: Dongyang Branch of China Construction Bank Co.,Ltd. Pledgor: ZHEJIANG DONGYANG DONGCI CHENGJI ELECTRONIC Co.,Ltd. Registration number: Y2020330000771 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right |