CN201018385Y - Linear vibration motor for mobile phone - Google Patents
Linear vibration motor for mobile phone Download PDFInfo
- Publication number
- CN201018385Y CN201018385Y CNU200720107446XU CN200720107446U CN201018385Y CN 201018385 Y CN201018385 Y CN 201018385Y CN U200720107446X U CNU200720107446X U CN U200720107446XU CN 200720107446 U CN200720107446 U CN 200720107446U CN 201018385 Y CN201018385 Y CN 201018385Y
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- magnetic pole
- vibration motor
- framework
- mobile phone
- skeleton
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- Reciprocating, Oscillating Or Vibrating Motors (AREA)
Abstract
The utility model relates to a linear vibration motor for a mobile phone; wherein a movable core of the linear vibration motor can implement the reciprocating motion in the axial direction of a framework. The utility model comprises a machine shell, a framework arranged in the machine shell and a coil winding on the framework; wherein the interior of the framework is formed with an axial slideway, the interior of the slideway is provided with the movable core, the two ends of the machine shell are provided with a left magnetic pole and a right magnetic pole, and the polarity of the left and right magnetic poles is opposite in the axial direction of the framework. The utility model has the advantages of the simple structure, the less coil winding, the high reliability, the low energy consumption and the greater amplitude, and solves the problems of that the existing linear vibration motor has the relatively more amount of winding circuits and the comparatively complex structure as well as the lower reliability in the working process of the motor, simultaneously, the central shaft of the movable core is sleeved with a spring, which thereby consumes the vibration potential energy produced between the magnetic pole and the movable core in a certain degree and results in the higher energy consumption and the smaller amplitude.
Description
Technical field
The utility model relates to a kind of mobile phone linear type vibration motor, and the moving core of this linear type vibration motor can reciprocating motion on the skeleton axis direction.
Technical background
A kind of moveable core linear type vibration motor of Chinese patent, notification number: CN2211671, it has casing, bearing and stator, two pairs of magnetic poles of this stator upper edge axially-aligned, the winding circuit of two-way parallel connection is housed on the two pairs of magnetic poles, the rectifier diode of connecting in the winding circuit of every road, the moving iron core that the installation of stator central authorities can move back and forth along central axis, suit retainer spring on the central shaft of this moving iron core.
Above-mentioned patent is provided with winding circuit on magnetic pole, therefore its winding circuit quantity is more relatively, structure-steel framing is complicated, reliability is lower in the machine operation process, simultaneously, it is pocketed springs on the central shaft of moving core also, thereby has consumed the vibration potential energy that produces between magnetic pole and the moving core to a certain extent, caused energy consumption higher, problem such as amplitude is less.
Summary of the invention
It is a kind of simple in structure that the utility model purpose is to provide, coil windings is less, reliability is higher, energy consumption is lower, can obtain the mobile phone linear type vibration motor of bigger amplitude, the winding circuit quantity that has solved existing linear type vibration motor existence is more relatively, structure-steel framing is complicated, reliability is lower in the machine operation process, simultaneously, it is pocketed springs on the central shaft of moving core also, thereby has consumed the vibration potential energy that produces between magnetic pole and the moving core to a certain extent, caused energy consumption higher, problem such as amplitude is less.
Above-mentioned technical purpose of the present utility model mainly solves by the following technical programs: comprise casing, be arranged on skeleton and the coil that is wound on the skeleton in the casing, be formed with axial slideway in the skeleton, be provided with moving core in the slideway, the two ends of described casing are provided with left magnetic pole and right magnetic pole, and the polarity of described left and right sides magnetic pole is opposite on the skeleton axis direction.The utility model is provided with coil windings on the skeleton of moving core periphery, by changing the sense of current of coil windings, thereby make the pole polarity generation alternate at core two ends, and owing to the left and right sides pole polarity that is arranged on the casing two ends is opposite, the pole polarity that is the adjacent end with moving core of left and right sides magnetic pole is identical, therefore, and in the process of coil winding current direction generation alternate, if left magnetic pole and coil left end attract each other, then right magnetic pole and moving core right-hand member then are in repulsive interaction; And when left magnetic pole and moving core left end are in mutual repulsion, then moving core right-hand member and right magnetic pole are in the effect that attracts each other, therefore, all the time be in the operating state of drawing between the left and right sides magnetic pole at moving core and two ends while pushing away, make core high-speed slide in the slideway of skeleton produce vibration, obtain bigger amplitude; Because the single group coil winding that adopts, so whole reliability is also higher; In the total, avoid the use spring, thereby reduced energy consumption, also prolonged useful life of the present utility model.
As preferably, described left and right sides magnetic pole is a permanent magnet.
As preferably, described left and right sides magnetic pole structure in the form of annular discs and its external diameter match with the internal diameter of casing, thereby left and right sides magnetic pole can be assemblied in the casing, make structure of the present utility model more succinct.
As preferably, described moving core is cylindrical-shaped structure.Adopt the moving core of cylindrical-shaped structure can make motor no matter be under which kind of state can both be in the slideway of skeleton high-speed slide back and forth, reduced energy consumption, reduced the wearing and tearing between moving core and the skeleton slideway, prolonged useful life of the present utility model.
Characteristics such as therefore, the utlity model has simple in structurely, coil windings is less, and reliability is higher, and energy consumption is lower, can obtain bigger amplitude, and useful life is long.
Description of drawings
Fig. 1 is a kind of result schematic diagram of the present utility model.
Embodiment
Below by embodiment, and in conjunction with the accompanying drawings, the technical solution of the utility model is described in further detail.
Embodiment 1: as shown in Figure 1, be provided with skeleton 2 in the columnar casing 1, skeleton 2 inwalls are formed with smooth axial slideway 3, skeleton 2 outer wall coiling windings 4, be provided with the moving core 5 of column in the slideway 3, the two ends of casing 1 are provided with left magnetic pole 6 and the right magnetic pole of being made by permanent magnet 7, and left magnetic pole 6 and right magnetic pole 7 structures in the form of annular discs and its external diameter match with the internal diameter of casing, and the polarity of left magnetic pole 6 and right magnetic pole 7 is opposite on the skeleton axis direction.
Claims (4)
1. mobile phone linear type vibration motor, comprise casing, be arranged on skeleton and the coil that is wound on the skeleton in the casing, it is characterized in that: be formed with axial slideway in the skeleton, be provided with moving core in the slideway, the two ends of described casing are provided with left magnetic pole and right magnetic pole, and the polarity of described left and right sides magnetic pole is opposite on the skeleton axis direction.
2. mobile phone linear type vibration motor according to claim 1 is characterized in that described left and right sides magnetic pole is a permanent magnet.
3. mobile phone linear type vibration motor according to claim 1 and 2 is characterized in that described left and right sides magnetic pole structure in the form of annular discs and its external diameter match with the internal diameter of casing.
4. mobile phone linear type vibration motor according to claim 1 and 2 is characterized in that described moving core is cylindrical-shaped structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200720107446XU CN201018385Y (en) | 2007-03-23 | 2007-03-23 | Linear vibration motor for mobile phone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200720107446XU CN201018385Y (en) | 2007-03-23 | 2007-03-23 | Linear vibration motor for mobile phone |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201018385Y true CN201018385Y (en) | 2008-02-06 |
Family
ID=39058885
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU200720107446XU Expired - Lifetime CN201018385Y (en) | 2007-03-23 | 2007-03-23 | Linear vibration motor for mobile phone |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201018385Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021127906A1 (en) * | 2019-12-23 | 2021-07-01 | 瑞声声学科技(深圳)有限公司 | Linear vibration electric motor |
| WO2021134241A1 (en) * | 2019-12-30 | 2021-07-08 | 瑞声声学科技(深圳)有限公司 | Vibration motor |
-
2007
- 2007-03-23 CN CNU200720107446XU patent/CN201018385Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021127906A1 (en) * | 2019-12-23 | 2021-07-01 | 瑞声声学科技(深圳)有限公司 | Linear vibration electric 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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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 322118 Hengdian Industrial Zone, Jinhua, Zhejiang, China (head of bridge), Dongyang Patentee after: Zhejiang city of Dongyang Province east Cheng Electronic Co., Ltd. Address before: 322118 Hengdian Industrial Zone, Zhejiang, Dongyang Patentee before: Zhejiang Dongyang Chengji Electric Motor Co., Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20080206 |