CN201918875U - Flat linear vibrator - Google Patents
Flat linear vibrator Download PDFInfo
- Publication number
- CN201918875U CN201918875U CN2010206896848U CN201020689684U CN201918875U CN 201918875 U CN201918875 U CN 201918875U CN 2010206896848 U CN2010206896848 U CN 2010206896848U CN 201020689684 U CN201020689684 U CN 201020689684U CN 201918875 U CN201918875 U CN 201918875U
- Authority
- CN
- China
- Prior art keywords
- flat linear
- vibrating device
- linear vibrating
- vibration unit
- electromagnet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Landscapes
- Reciprocating, Oscillating Or Vibrating Motors (AREA)
Abstract
The utility model discloses a flat linear vibrator. The flat linear vibrator is characterized in that a vibrating unit consists of a permanent magnet and a magnetic conductor which is combined together with a magnetic pole of the permanent magnet, the magnetic conductor is provided with two ends which are close to two ends of an electromagnet, two end magnetic poles, which are magnetized by the permanent magnet, of the magnetic conductor are identical, when alternating-current signals pass through the electromagnet, the electromagnet can form a changing magnetic field, and the magnetic field acts with the two ends of the magnetic conductor so that the vibrating unit vibrates in a reciprocating manner in a direction parallel to the bottom wall of a fixed framework along with changes of the electromagnetic field. The height of the flat linear vibrator is reduced to a greater extent, the structure of the flat linear vibrator is optimized, production technique for manufacturing the flat linear vibrator is lowered, acting force of a system is higher, symmetry is better, and reliability of performance of the flat linear vibrator is enhanced.
Description
Technical field
The utility model relates to the vibrator technical field.
Background technology
The development of portable terminal consumer electronics product, as at mobile phone, handheld device, guider or palm multimedia entertainment equipment etc., a large amount of resonator devices is employed as vibrational feedback, and resonator device commonly used mainly comprises columnar iron core vibrator, drag cup vibrator and flat linear vibrating device etc.
The general in the vertical direction vibration of the flat linear vibrating device of traditional structure was the disclosed technical scheme of Chinese patent CN200480000815.4 on November 23rd, 2005 as open day.It is that vibrator reserves enough oscillation spaces that this design needs in the vertical direction, miniaturized design along with the portable terminal consumer electronics product, the product component that needs is littler, and the flat linear vibrating device of this traditional structure is difficult to realize the microminiaturization of product design.
In further improvement to the flat linear vibrating device of above-mentioned traditional structure, the Chinese patent CN101488697 that open day is on July 22nd, 2009 discloses a kind of flat linear vibrating device of horizontal vibration, adopt magnetic pole over against the coil that fixedly installs, and adopt two permanent magnets that the direction of magnetization is opposite, realize vibration by the reaction force that permanent magnet is subjected on the horizontal direction.This design has improved the defective of the flat linear vibrating device existence of above-mentioned traditional vertical vibrating, reduced the product height, but two opposite permanent magnets of the direction of magnetization of this employing, no matter be to adopt two adjacent independent magnets or adopt a magnet that rightabout is magnetized separately, production technology is all comparatively complicated; The product symmetry of such scheme is bad simultaneously, and the active force of system is relatively poor, and product reliability is relatively poor, and can't further realize the slimming of product from the principle angle.
So, be necessary the flat linear vibrating device of said structure is further improved, to avoid above-mentioned defective.
Summary of the invention
Technical problem to be solved in the utility model is: a kind of flat linear vibrating device is provided, when effectively reducing the product height, can simplifies production technology, improve the stability of product structure and performance.
For solving the problems of the technologies described above, the technical solution of the utility model is: the flat linear vibrating device, comprise fixed frame, and described fixed frame forms the external structure of described flat linear vibrating device; Vibration unit, described vibration unit comprises permanent magnet, described vibration unit is suspended in the inside of described fixed frame by elastic supporting member for supporting optical member; Be used to drive the vibrative driver element of described vibration unit;
The strain direction of described elastic supporting member for supporting optical member is parallel to the diapire of described fixed frame; The magnetic pole direction of magnetization of described permanent magnet is perpendicular to the direction of vibration of described vibration unit, and both direction all is parallel to the diapire of described fixed frame; Described vibration unit also comprises a magnetic conductor that magnetic pole combines with described permanent magnet; Described driver element is the electromagnet that is made of solenoid and iron core that is fixed in the described fixed frame, described electromagnet is located at a side of described vibration unit, and the bearing of trend of described electromagnet is parallel to the diapire of described fixed frame and vertical with the magnetic pole direction of magnetization of described permanent magnet; Described magnetic conductor has two ends near described electromagnet two ends.
As a kind of optimized technical scheme, described permanent magnet is arranged at the side near described electromagnet, and described magnetic conductor is arranged at the side away from described electromagnet.
As a kind of optimized technical scheme, a magnetic pole secure bond of described permanent magnet is equipped with the kink towards described another magnetic pole of permanent magnet in the middle part of described magnetic conductor on two ends of described magnetic conductor.
As a kind of optimized technical scheme, described elastic supporting member for supporting optical member comprises first fixed part that is fixed on the described fixed frame sidewall, second fixed part and the elasticity arm between described first fixed part and second fixed part of fixing described vibration unit.
As a kind of optimized technical scheme, described second fixed part is an intermediate plate, and described intermediate plate is combined on the described magnetic conductor.
As a kind of optimized technical scheme, described elasticity arm is provided with the bending towards described vibration unit.
As a kind of optimized technical scheme, the two ends of described iron core are provided with projection.
As a kind of optimized technical scheme, described fixed frame is provided with bottom, and described bottom is provided with the pad of fixing described electromagnet and is used to be electrically connected described solenoidal electrode.
As a kind of optimized technical scheme, described vibration unit also comprises the mass that combines with described magnetic conductor.
As a kind of optimized technical scheme, described flat linear vibrating device is a cuboid.
After having adopted technique scheme, the beneficial effects of the utility model are: than conventional art, flat linear vibrating device provided by the utility model has been simplified the production process of product when reducing flat linear vibrating device product height; The active force of simultaneity factor is stronger, and symmetry is better, has improved the reliability of properties of product.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further specified.
Fig. 1 is the concrete structure decomposing schematic representation of the flat linear vibrating device that relates to of the utility model embodiment;
Fig. 2 is the vertical view after flat linear vibrating device that the utility model embodiment relates to removes loam cake;
Fig. 3 is the cross-sectional view of the flat linear vibrating device that relates to of the utility model embodiment;
Fig. 4 is the structural representation of the flat linear vibrating device bottom that relates to of the utility model embodiment;
Fig. 5 is the structural representation of the flat linear vibrating device elastic supporting member for supporting optical member that relates to of the utility model embodiment;
Fig. 6 is the flat linear vibrating device magnetic conductor that relates to of the utility model embodiment and the assembling schematic diagram of permanent magnet;
Fig. 7 is the fundamental diagram of the local A after Fig. 2 amplifies;
Fig. 8 is the fundamental diagram of the local A after Fig. 2 amplifies;
Fig. 9 is the vibration processes schematic diagram of the flat linear vibrating device that relates to of the utility model embodiment.
Among the figure: 11. loam cakes; 12. bottom; 121a, 121b. electrode; 122. pad; 13. sidewall; 2. elastic supporting member for supporting optical member; 21. first fixed part; 22. second fixed part; 23. elasticity arm; 3. electromagnet; 31. iron core; 32. solenoid; 4. permanent magnet; 5. magnetic conductor; 51. kink; 52. joint portion; 6. mass.
Embodiment
In the following description, only the mode by explanation is described some one exemplary embodiment of the present utility model, undoubtedly, those of ordinary skill in the art can recognize, under the situation that does not depart from spirit and scope of the present utility model, can revise described embodiment with various mode.Therefore, accompanying drawing and be described in just illustratively in essence rather than is used to limit the protection range of claim.In addition, in this manual, identical Reference numeral indicates identical part.
Shown in Fig. 1, Fig. 2 and Fig. 3 are common, a kind of flat linear vibrating device, it is a cuboid, comprises fixed frame, vibration unit, is used to drive the vibrative driver element of vibration unit.
Fixed frame forms the external structure of flat linear vibrating device, has inner spatial accommodation, and this fixed frame comprises loam cake 11, bottom 12 and the sidewall 13 that combines with loam cake 11, bottom 12.
Vibration unit comprises permanent magnet 4, the magnetic conductor 5 that combines with a magnetic pole of permanent magnet 4 and the mass 6 that combines with magnetic conductor 5, permanent magnet 4 preferred magnet wherein, and the magnetic pole direction of magnetization of permanent magnet 4 is parallel to the diapire of fixed frame, magnetic conductor 5 preferred washer plates, mass 6 preferred non-magnet materials, and its density 〉=7.8g/cm3, mass 6 can strengthen the sense of shaking of flat linear vibrating device in vibration unit.
Vibration unit is suspended in the inside of fixed frame by elastic supporting member for supporting optical member 2, and an end of elastic supporting member for supporting optical member 2 is fixed on the sidewall 13 in the fixed frame, and the other end is fixed on the vibration unit.The strain direction of elastic supporting member for supporting optical member 2 is parallel to the diapire of fixed frame; The direction of vibration of vibration unit is the magnetic pole direction of magnetization of the strain direction of elastic supporting member for supporting optical member 2 perpendicular to permanent magnet 4, and this direction of vibration also is parallel to the diapire of fixed frame.
Driver element is the electromagnet 3 that is made of solenoid 32 and iron core 31 that is fixed in the fixed frame, is provided with projection at the two ends of iron core 31.Electromagnet 3 is located at a side of vibration unit, and wherein, permanent magnet 4 is arranged at the side near electromagnet 3, and magnetic conductor 5 is arranged at the side away from electromagnet 3.The bearing of trend of electromagnet 3 is parallel to the diapire of fixed frame and vertical with the magnetic pole direction of magnetization of permanent magnet 4.
By this design, adopt a fixing electromagnet 3 and one to make vibration unit be parallel to double vibrations on the direction of fixed frame diapire through the interaction between the permanent magnet 4 magnetized magnetic conductors 5, the two ends of electromagnet 3 interact with the two ends of magnetic conductor 5 respectively and make vibration unit stressed respectively.When reducing flat linear vibrating device product height by a relatively large margin, optimized the structure of product, product structure is more simple, has reduced the production technology of production; The active force of simultaneity factor is stronger, and symmetry is better, has improved the reliability of properties of product.
Introduce the detailed structure and the operation principle of each parts of present embodiment below in conjunction with Fig. 4 to Fig. 9:
As shown in Figure 4, the bottom 12 of fixed frame is the bottom of circuit board structure, is provided with four pads 122 on four angles of bottom 12 inner surfaces, is used for fixing electromagnet 3; Also be provided with electrode 121a and electrode 121b is used to be electrically connected solenoid 32.The bottom 12 of employing circuit board structure can be so that the assembling of internal part and electrical connection.
As shown in Figure 5, the symmetry of elastic supporting member for supporting optical member 2 approximate U-shapeds, comprise first fixed part 21 that is fixed on the fixed frame sidewall 13, fixedly second fixed part 22 and the elasticity arm 23 between first fixed part and second fixed part of vibration unit, wherein, second fixed part 22 is an intermediate plate, and this intermediate plate is combined on the magnetic conductor 5; Elasticity arm 23 is provided with towards the bending of vibration unit thinks that vibration unit reserves oscillation space.Elastic supporting piece 2 can adopt the sheet metal elastomeric material, and the structural design of this elastic supporting member for supporting optical member 2 can increase elasticity arm 23, improves the performance of flat linear vibrating device.
As shown in Figure 6, when permanent magnet 4 was fitted to each other with magnetic conductor 5, a magnetic pole secure bond of permanent magnet 4 was in the joint portion 52 of magnetic conductor 5 middle part indents.On two ends of magnetic conductor 5, be equipped with kink 51 towards permanent magnet 4 another magnetic poles, when being fitted to each other, two 51 moments of kink are geomagnetic into two magnetic poles that polarity is identical, and the kink 51 on magnetic conductor 5 both ends can strengthen the active force between vibration unit and the electromagnet 3.
As shown in Figure 7, the pole orientation of permanent magnet 4 be the N utmost point towards electromagnet, the S utmost point combines with magnetic conductor 5 away from electromagnet, magnetic conductor 5 two kinks 51 of back on its end that are magnetized are the S utmost point, the sense of current on solenoid 32 tops is towards permanent magnet 4, according to the right-hand rule, the polarity that can draw solenoid 32 be the N utmost point on a left side, the S utmost point is on the right side, two kinks 51 are inhaled mutually with the N utmost point of solenoid 32 respectively, the S utmost point repels each other, because solenoid 32 is fixing, thereby vibration unit produces active force to the right and produces vibration; Otherwise as shown in Figure 8, when the sense of current on solenoid 32 tops permanent magnet 4 dorsad, vibration unit produces active force left, thereby vibration unit is along with double vibrations is constantly carried out in the variation of ac signal.
Flat linear vibrating device in the present embodiment, the peak swing of vibration unit be by the elasticity arm 23 of elastic supporting member for supporting optical member 2 and the decision of the ultimate range between the sidewall 13, as shown in Figure 9, elasticity arm 2 and and sidewall 13 between ultimate range be L.In the present embodiment, can adjust distance between elastic supporting member for supporting optical member and the sidewall by improving the elasticity arm structure at the sense demand of shaking of different product, elastic supporting member for supporting optical member structure of the present utility model only is an embodiment preferred.
In enforcement of the present utility model, loam cake, sidewall and bottom also can adopt improvement designs such as integrative-structure; Bottom also can be used other material; Also can directly be electrically connected solenoid by modes such as leads; Electromagnet also can be fixed on the sidewall of shell, and combination of elastic supporting member for supporting optical member and vibration unit etc. also can be carried out the improvement that combines of alternate manner.
Under above-mentioned instruction of the present utility model; 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 the protection range of the present utility model; those skilled in the art should be understood that; above-mentioned specific descriptions are just better explained the purpose of this utility model, and protection range of the present utility model is limited by claim and equivalent thereof.
Claims (10)
1. the flat linear vibrating device comprises
Fixed frame, described fixed frame forms the external structure of described flat linear vibrating device;
Vibration unit, described vibration unit comprises permanent magnet, described vibration unit is suspended in the inside of described fixed frame by elastic supporting member for supporting optical member;
Be used to drive the vibrative driver element of described vibration unit;
It is characterized in that:
The strain direction of described elastic supporting member for supporting optical member is parallel to the diapire of described fixed frame;
The magnetic pole direction of magnetization of described permanent magnet is perpendicular to the direction of vibration of described vibration unit, and both direction all is parallel to the diapire of described fixed frame;
Described vibration unit also comprises a magnetic conductor that magnetic pole combines with described permanent magnet;
Described driver element is the electromagnet that is made of solenoid and iron core that is fixed in the described fixed frame, described electromagnet is located at a side of described vibration unit, and the bearing of trend of described electromagnet is parallel to the diapire of described fixed frame and vertical with the magnetic pole direction of magnetization of described permanent magnet;
Described magnetic conductor has two ends near described electromagnet two ends.
2. flat linear vibrating device as claimed in claim 1 is characterized in that: described permanent magnet is arranged at the side near described electromagnet, and described magnetic conductor is arranged at the side away from described electromagnet.
3. flat linear vibrating device as claimed in claim 2 is characterized in that: a magnetic pole secure bond of described permanent magnet is equipped with the kink towards described another magnetic pole of permanent magnet in the middle part of described magnetic conductor on two ends of described magnetic conductor.
4. flat linear vibrating device as claimed in claim 1 is characterized in that: described elastic supporting member for supporting optical member comprises first fixed part that is fixed on the described fixed frame sidewall, second fixed part and the elasticity arm between described first fixed part and described second fixed part of fixing described vibration unit.
5. flat linear vibrating device as claimed in claim 4 is characterized in that: described second fixed part is an intermediate plate, and described intermediate plate is combined on the described magnetic conductor.
6. flat linear vibrating device as claimed in claim 4 is characterized in that: described elasticity arm is provided with the bending towards described vibration unit.
7. flat linear vibrating device as claimed in claim 1 is characterized in that: the two ends of described iron core are provided with projection.
8. flat linear vibrating device as claimed in claim 1 is characterized in that: described fixed frame is provided with bottom, and described bottom is provided with the pad of fixing described electromagnet and is used to be electrically connected described solenoidal electrode.
9. as the described flat linear vibrating device of the arbitrary claim of claim 1 to 8, it is characterized in that: described vibration unit also comprises the mass that combines with described magnetic conductor.
10. flat linear vibrating device as claimed in claim 9 is characterized in that: described flat linear vibrating device is a cuboid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206896848U CN201918875U (en) | 2010-12-17 | 2010-12-17 | Flat linear vibrator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206896848U CN201918875U (en) | 2010-12-17 | 2010-12-17 | Flat linear vibrator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201918875U true CN201918875U (en) | 2011-08-03 |
Family
ID=44418664
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206896848U Expired - Lifetime CN201918875U (en) | 2010-12-17 | 2010-12-17 | Flat linear vibrator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201918875U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102035345A (en) * | 2010-12-17 | 2011-04-27 | 歌尔声学股份有限公司 | Flat linear vibrator |
| US10639673B2 (en) | 2017-07-14 | 2020-05-05 | Shunsin Technology (Zhong Shan) Limited | Linear vibrator |
| CN112260508A (en) * | 2020-10-29 | 2021-01-22 | 东莞汉特斯电子科技有限公司 | Linear vibrator and electronic equipment |
-
2010
- 2010-12-17 CN CN2010206896848U patent/CN201918875U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102035345A (en) * | 2010-12-17 | 2011-04-27 | 歌尔声学股份有限公司 | Flat linear vibrator |
| CN102035345B (en) * | 2010-12-17 | 2013-03-27 | 歌尔声学股份有限公司 | Flat linear vibrator |
| US10639673B2 (en) | 2017-07-14 | 2020-05-05 | Shunsin Technology (Zhong Shan) Limited | Linear vibrator |
| CN112260508A (en) * | 2020-10-29 | 2021-01-22 | 东莞汉特斯电子科技有限公司 | Linear vibrator and electronic equipment |
| CN112260508B (en) * | 2020-10-29 | 2024-05-31 | 东莞汉特斯电子科技有限公司 | Linear vibrator and electronic equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102035345B (en) | Flat linear vibrator | |
| CN205081655U (en) | Double resonance vibrating motor | |
| CN204886637U (en) | Oscillating motor | |
| US8013480B2 (en) | Linear vibration motor | |
| CN205212673U (en) | Vibration motor | |
| CN107872137A (en) | Linear vibration motor | |
| CN202068311U (en) | Flat linear vibrator | |
| CN103401395A (en) | Horizontal linear vibration motor | |
| CN109068244A (en) | Electromagnetic driver and screen sounding device | |
| CN208890619U (en) | Vibrating motor and haptic apparatus | |
| CN207530692U (en) | A kind of linear vibration motor | |
| CN207706021U (en) | A kind of linear vibration motor | |
| CN105553217A (en) | Vibrating motor | |
| CN207652282U (en) | A kind of linear vibration motor | |
| CN206640487U (en) | Linear vibrator | |
| CN207021883U (en) | Vibrating motor | |
| CN207573210U (en) | Linear vibration motor | |
| CN207530690U (en) | Linear vibration motor | |
| CN201918875U (en) | Flat linear vibrator | |
| CN201789401U (en) | Flat linear vibrator | |
| CN107181383B (en) | Vibration exciter | |
| CN205407550U (en) | Vibration motor | |
| CN202135034U (en) | Linear vibration motor | |
| CN201789399U (en) | Flat linear vibrator | |
| CN202218144U (en) | Linear vibration motor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| 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. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20110803 |
|
| CX01 | Expiry of patent term |