CN102290955B - Miniature vibrating motor - Google Patents
Miniature vibrating motor Download PDFInfo
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- CN102290955B CN102290955B CN 201110174828 CN201110174828A CN102290955B CN 102290955 B CN102290955 B CN 102290955B CN 201110174828 CN201110174828 CN 201110174828 CN 201110174828 A CN201110174828 A CN 201110174828A CN 102290955 B CN102290955 B CN 102290955B
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- balancing weight
- vibration unit
- micro
- mass
- elastic component
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 10
- 239000004020 conductor Substances 0.000 claims description 6
- 238000012886 linear function Methods 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 9
- 230000001681 protective effect Effects 0.000 abstract 2
- 230000001105 regulatory effect Effects 0.000 abstract 2
- 238000010586 diagram Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000000354 decomposition reaction Methods 0.000 description 2
- 210000005056 cell body Anatomy 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Apparatuses For Generation Of Mechanical Vibrations (AREA)
Abstract
The invention discloses a miniature vibrating motor, which comprises a protective frame. A vibration unit and an elastic piece for fixing and supporting the vibration unit are arranged in the protective frame. The vibration unit comprises a balancing weight. At least one independent mass block is arranged at a joint between the elastic piece and the balancing weight. The mass of the mass block is regulated by regulating the density of the mass block, thereby making a subtle change in the mass of the whole vibration unit to realize the fine adjustment of f0. Moreover, the mass block has an independent structure, so a regulation process is relatively simpler.
Description
Technical field
The present invention relates to a kind of vibrating motor, be specifically related to a kind of micro-vibration motor that can finely tune the vibration unit quality.
Background technology
Micro-vibration motor of the prior art comprises a protection framework, is provided with vibration unit and elastic component in the protection framework, and elastic component fixed support vibration unit can provide elastic force in the vibration unit vibration processes.Wherein, vibration unit comprises balancing weight, and balancing weight adopts the bigger material of density usually.As everyone knows, the quality of vibration unit can influence the resonance frequency f0 of product, under numerical value accuracy requirement condition with higher (i.e. the less situation of the error range of Yun Xuing), adjust the quality of whole vibration unit usually by the quality of adjusting balancing weight to resonance frequency f0.
But, owing to adjust the process more complicated of balancing weight quality, and be difficult to reach the error range that f0 allows.Therefore, be necessary the micro-vibration motor of said structure is improved, to avoid above-mentioned defective.
Summary of the invention
Technical problem to be solved by this invention provides a kind of micro-vibration motor, can the f0 of product be finely tuned, and the technology of adjusting is fairly simple.
To achieve these goals, the invention provides a kind of micro-vibration motor, comprise the protection framework, described protection framework inside is provided with the elastic component of vibration unit and the described vibration unit of fixed support; Described vibration unit comprises balancing weight, wherein, is provided with at least one independently mass at described elastic component and described balancing weight junction.
In addition, preferred scheme is that the density of described mass is different with the density of described balancing weight.
In addition, preferably scheme is, described mass is a rivet, and described elastic component and described balancing weight are by described rivet secure bond.
In addition, preferably scheme is, described elastic component comprises the fixed part with described balancing weight secure bond, and described fixed part is provided with the through hole that is used for described rivet.
In addition, preferred scheme is that the position of corresponding described rivet is provided with via on the described balancing weight.
After adopting technique scheme, compare with traditional structure, the present invention is provided with independently mass at elastic component and balancing weight junction, adjust the quality of mass by the density that changes mass, thereby make the quality of whole vibration unit that small variation take place, realization is to the fine setting of f0, and because mass is an independent structures, the technology of adjustment is fairly simple.
Description of drawings
By below in conjunction with accompanying drawing embodiment being described, above-mentioned feature of the present invention and technological merit will become apparent and understand easily.
Fig. 1 is the decomposition texture schematic diagram of micro-vibration motor of the present invention.
Fig. 2 is the fundamental diagram of micro-vibration motor of the present invention.
Fig. 3 is the exploded view of micro-vibration motor balancing weight of the present invention, elastic component and mass.
Fig. 4 is the stereogram after the structure combination shown in Figure 3.
Embodiment
Below in conjunction with the drawings and specific embodiments the present invention is done further detailed description.
Fig. 1 is the decomposition texture schematic diagram of micro-vibration motor of the present invention; as shown in Figure 1; the micro-vibration motor is a rectangular configuration; comprise the protection framework of forming by housing 11 and lid 12; circuit board 13 is fixed in the outer surface of housing 11, and is electrically connected on micro-vibration motor internal circuit and outside electronic circuit.Protection framework inside comprises the vibration unit of being made up of permanent magnet 31, magnetic conductor 32 and balancing weight 4 combination successively, and among the present invention, vibration unit also comprises the mass that quality is adjustable.
Permanent magnet 3 over against the position be provided with electromagnet, electromagnet comprises coil 21 and iron core 22, coil 21 is wound on the iron core 22 and is electrically connected with circuit board 13, iron core 22 is that magnetic conduction construction and coil 21 constitutes electromagnet.The two ends of iron core 22 are fixed in housing 11 by two fixtures 7 and are positioned on the surface of protecting the framework inboard; thereby making electromagnet is inactive state with respect to the protection framework; in this implementation process; fixture 7 is a groove shape structure; iron core 22 is fixed in the cell body of fixture 7 indents, and the lower surface of fixture 7 combines with housing 11 by modes such as welding.
In this implementation process, mass is a rivet 5, and elastic component 6 fixes balancing weight 4 by rivet 5, reaches fixed support to whole vibration unit by fixed weight piece 4.
Fig. 2 is the fundamental diagram of micro-vibration motor of the present invention, and as shown in Figure 2, permanent magnet 31 magnetizes along the horizontal direction that is parallel to circuit board 13, the direction that the magnetic polarity direction is extended perpendicular to iron core 22.When being connected with the electric current of direction same as shown in Figure 2 in the coil 21, the right side of electromagnet is sensed as the S utmost point, and the left side is sensed as the N utmost point, and the N utmost point of permanent magnet 31 is over against electromagnet, and the S utmost point is away from electromagnet.Magnetic conductor 32 is sensed as the S utmost point by permanent magnet 31; magnetic conductor 32 both sides are provided with the projection piece of extension to iron core 22 two ends; right-hand end projection piece and electromagnet repel mutually; left side projection piece and electromagnet 2 attract each other; because electromagnet is fixed with respect to the protection framework, so vibration unit can be subjected to active force left.Equally, when being connected with rightabout electric current shown in Figure 2 in the coil 21, the polarity of electromagnet is opposite, and vibration unit can be subjected to active force to the right.So when being connected with the signal of telecommunication of interchange in the coil 21, the polarity that electromagnet will change, vibration unit is because left and right directions replaces stressed and corresponding vibration.
Fig. 3 is the exploded view of micro-vibration motor balancing weight of the present invention, elastic component and mass, Fig. 4 is the stereogram after the structure combination shown in Figure 3, and as shown in Figure 3 and Figure 4, elastic component 6 comprises the fixed part 61 of fixed weight piece 4,61 are provided with through hole 611, are used for combining with rivet 5.Balancing weight 4 is provided with via 41, is used for combining with rivet 5.In the fixation procedure,, then rivet 5 is riveted in the formed hole 41 corresponding settings of the via on through hole on the elastic component 6 611 and the balancing weight 4.
Elastic component drives the vibration unit vibration and produces the sense of shaking in the course of work, therefore, can adjust the quality of whole vibration unit by the quality of adjusting rivet 5, thereby can adjust f0.Among the present invention, can reach the variation of rivet quality under the constant situation of rivet size by the density of adjusting rivet, the technology of adjustment is simple.Because the mass ratio of rivet is easier to control, and specific mass is less mutually with balancing weight, and the quality that therefore can adjust rivet reaches the fine setting to whole vibration unit quality, thereby realizes the fine setting to f0.
Under above-mentioned instruction of the present invention; those skilled in the art can carry out various improvement and distortion on the basis of the foregoing description; and these improvement and distortion; all drop in protection scope of the present invention; those skilled in the art should be understood that; above-mentioned specific descriptions are just better explained purpose of the present invention, and protection scope of the present invention is limited by claim and equivalent thereof.
Claims (4)
1. a micro-vibration motor comprises the protection framework, and described protection framework inside is provided with the elastic component of vibration unit and the described vibration unit of fixed support; Described vibration unit comprises permanent magnet, magnetic conductor and the balancing weight that combines successively; Described permanent magnet over against the position be provided with the electromagnet that constitutes by iron core and coil, the direction that the magnetic polarity direction of permanent magnet is extended perpendicular to iron core; Magnetic conductor combines with a magnetic pole of permanent magnet and its both sides are provided with the projection piece of extension to the iron core two ends, magnetic conductor is sensed as identical polarity by permanent magnet, the one pleurapophysis is bittiness to be repelled mutually with electromagnet and opposite side projection piece and electromagnet attract each other and make vibration unit be subjected to linear function power, it is characterized in that, be provided with at least one independently mass at described elastic component and described balancing weight junction, described mass is a rivet, and described elastic component and described balancing weight are by described rivet secure bond.
2. micro-vibration motor according to claim 1 is characterized in that, the density of described mass is different with the density of described balancing weight.
3. micro-vibration motor according to claim 1 is characterized in that described elastic component comprises the fixed part with described balancing weight secure bond, and described fixed part is provided with the through hole that is used for described rivet.
4. micro-vibration motor according to claim 1 is characterized in that the position of corresponding described rivet is provided with via on the described balancing weight.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110174828 CN102290955B (en) | 2011-06-27 | 2011-06-27 | Miniature vibrating motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110174828 CN102290955B (en) | 2011-06-27 | 2011-06-27 | Miniature vibrating motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102290955A CN102290955A (en) | 2011-12-21 |
| CN102290955B true CN102290955B (en) | 2013-07-24 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110174828 Expired - Fee Related CN102290955B (en) | 2011-06-27 | 2011-06-27 | Miniature vibrating motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102290955B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102780302B (en) * | 2012-07-30 | 2014-04-02 | 歌尔声学股份有限公司 | Linear vibration motor and method for producing same |
| WO2021128172A1 (en) * | 2019-12-26 | 2021-07-01 | 瑞声声学科技(深圳)有限公司 | Linear motor |
| CN112518801B (en) * | 2020-11-16 | 2022-04-26 | 深圳市优必选科技股份有限公司 | Steering wheel and robot |
| CN218976533U (en) * | 2023-01-05 | 2023-05-05 | 瑞声光电科技(常州)有限公司 | Motor vibration device |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6573627B2 (en) * | 2001-06-21 | 2003-06-03 | Risun Expanse Corp. | DC brushless voice-coil vibration motor |
| KR100512301B1 (en) * | 2002-12-30 | 2005-09-02 | 삼성전기주식회사 | Brushless vibration motor |
| KR100549880B1 (en) * | 2003-07-05 | 2006-02-06 | 엘지이노텍 주식회사 | Vibrator structure |
| CN201319542Y (en) * | 2008-11-14 | 2009-09-30 | 鸿进科技有限公司 | Micro vibrating motor with adjustable vibratory output |
| CN202135033U (en) * | 2011-06-27 | 2012-02-01 | 歌尔声学股份有限公司 | Minisize vibration motor |
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2011
- 2011-06-27 CN CN 201110174828 patent/CN102290955B/en not_active Expired - Fee Related
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| Publication number | Publication date |
|---|---|
| CN102290955A (en) | 2011-12-21 |
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| SE01 | Entry into force of request for substantive examination | ||
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| CP01 | Change in the name or title of a patent holder |
Address after: 261031 Dongfang Road, Weifang high tech Industrial Development Zone, Shandong, China, No. 268 Patentee after: GOERTEK Inc. Address before: 261031 Dongfang Road, Weifang high tech Industrial Development Zone, Shandong, China, No. 268 Patentee before: Goertek Inc. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130724 |
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| CF01 | Termination of patent right due to non-payment of annual fee |