CN203883656U - High-sensitivity horizontally-vibrating micro motor - Google Patents
High-sensitivity horizontally-vibrating micro motor Download PDFInfo
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- CN203883656U CN203883656U CN201420327132.0U CN201420327132U CN203883656U CN 203883656 U CN203883656 U CN 203883656U CN 201420327132 U CN201420327132 U CN 201420327132U CN 203883656 U CN203883656 U CN 203883656U
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Abstract
The utility model provides a high-sensitivity horizontally-vibrating micro motor comprising a housing, a top cover plate, a bottom cover plate, a vibrating assembly, and coil groups. The top cover plate and the bottom cover plate respectively cover the top side and the bottom side of the housing so as to form installing space with the housing. The vibrating assembly is suspended inside the installing space by the positioning of elastic support members on two opposite sidewalls of the housing. The coil groups are oppositely arranged on the top cover plate and the bottom cover plate along the height direction of the housing. Distance is arranged between a coil group and the top surface of the vibrating assembly and between the other coil group and the bottom surface of the vibrating assembly. The vibrating assembly may perform reciprocating vibration along the direction in substantially parallel with the bottom cover plate under the effect of magnetic field force and enable the two elastic support members on the opposite sidewalls to be correspondingly stretched or compressed in a vibrating process. The vibrating assembly comprises a vibrating block equipped with at least three installing through holes and permanent magnets installed in the installing through holes. The S poles and the N poles of any two adjacent permanent magnets are in opposite direction.
Description
Technical field
The utility model relates to a kind of high sensitivity horizontal vibration micromachine, belongs to linear vibration electric motor technical field.
Background technology
Mobility consumption electronic product in the market, generally all can use vibrating motor as system feedback parts, such as the incoming call prompting of mobile phone, and vibrational feedback of game machine etc.Existing vibrating motor mainly comprises column motor unshakable in one's determination, hollow-cup motor and linear electric machine on the market.Column motor unshakable in one's determination and hollow-cup motor not only complex structure own, thickness is large, manufacturing process is many, and motor noise is large, control precision is poor.Now, in order to adapt to the frivolous portable designing requirement of electric consumers, vibrating motor is also progressively to flat, frivolous future development.Linear vibration electric motor refers to the motor that the direction of vibration of oscillator is straight reciprocating motion, steady because of its vibration, is widely used on consumption electronic products.
Chinese patent literature CN102570764 discloses a kind of linear type vibration motor, wherein, the spring adopting is springs, thereby springs has overcome spiral spring in use easily to be caused movable member to clash into coil component downwards and/or upwards clashes into the problem that casing causes casing, coil component damage and noise, yet find in actual use, the disclosed linear type vibration motor of above-mentioned file is because the electromagnetic force providing is little thereby response speed is slower, and cannot in the situation that not changing input voltage, regulate vibrating effect.
Utility model content
For this reason, it is slower that the technical problems to be solved in the utility model is to overcome the response speed of linear type vibration motor of the prior art, and cannot regulate the technical problem of vibrating effect, thereby a kind of horizontal vibration micromachine of sensitive, adjustable vibrating effect is provided.
For solving the problems of the technologies described above, a kind of high sensitivity horizontal vibration micromachine of the present utility model, comprise: casing, mount cover in the upper and lower both sides of described casing and form upper cover plate and the lower cover of installing space with described casing, by laying respectively at the location of the elastic supporting member for supporting optical member in two opposing sidewalls of described casing, be suspended on the vibration component in described installing space, and be oppositely arranged on upper cover plate and lower cover along casing short transverse, the coil groups that has respectively certain distance with upper surface and the lower surface of described vibration component, described vibration component can be along being basically parallel to the direction double vibrations of described lower cover and making to be positioned at corresponding being stretched and compressing of two elastic supporting member for supporting optical member in opposing sidewalls in vibration processes under the effect of magnetic field force, described vibration component involving vibrations piece, described vibrating mass is provided with at least three and through hole is installed and is arranged on the permanent magnet in described installation through hole, the south poles opposite direction of any two adjacent permanent magnets.
Described coil groups respectively comprises the coil that two series connection arrange.
Described elastic supporting member for supporting optical member comprises the first connecting portion on a side end parallel with double vibrations direction that is fixed on described vibrating mass, be fixed on described casing and the second connecting portion in the parallel side of described double vibrations direction, and by connecting described the first connecting portion and described the second connecting portion to form the middle interconnecting piece of open slot.
In described installing space, be also provided with for preventing that described vibrating mass from directly clashing into the locating piece of described upper cover plate, described locating piece is fixedly connected with the bottom surface of described casing.
Described locating piece is two, lays respectively at the both sides of described casing bottom surface.
Described locating piece is cuboid.
In described installing space, be also provided with the guide vane end stop being fixed on described lower cover, described guide vane end stop comprises vertical portion and horizontal component, the extension that described horizontal component comprises a cuboid base and is molded over described base both sides and extends to same direction, described vertical portion be formed in one described base in the part between described extension and the rectangle of extending along described substructure height direction projection, the height of described vertical portion is greater than the mutual close surperficial vertical range of described vibrating mass and described coil groups.
In described vertical portion, block rubber is installed.
A side near described upper cover plate and/or lower cover in described installing space is provided with FPCB plate, and described installing space is stretched out in one end of described FPCB plate.Technique scheme of the present utility model has the following advantages compared to existing technology:
(1) the high sensitivity horizontal vibration micromachine that the utility model provides, by coil being respectively set at upper and lower two cover plates, increased the electromagnetic force forming between magnetic field that coil can produce and magnetic field of permanent magnet, and a little less than needs during vibrating effect, only give a lateral coil energising, and while needing strong vibration effect, give both sides coil electricity, can make to vibrate micromachine and in the situation that not changing input voltage, realize the change of vibrating effect.
(2) the high sensitivity horizontal vibration micromachine that the utility model provides, when upper and lower two groups of coils are worked simultaneously, the electromagnetic force of the vertical direction of its generation is cancelled out each other, and prevents that vibration component from moving in vertical direction, guarantees that motor operates steadily.
(3) the high sensitivity horizontal vibration micromachine that the utility model provides, described elastic supporting member for supporting optical member comprises and is fixed on described vibrating mass and the first connecting portion on the parallel side end of described double vibrations direction, is fixed on described casing and the second connecting portion in the parallel side of described double vibrations direction, and by connecting described the first connecting portion and described the second connecting portion to form the middle interconnecting piece of open slot.Because vibrating mass can hold and be installed on open slot inside along the end of double vibrations direction, the casing inner space that vibrating mass is taken together with elastic supporting member for supporting optical member is less, thereby can reduce the volume of whole vibrating motor, and, elastic supporting member for supporting optical member is because the first connecting portion, the second connecting portion and the 3rd connecting portion form open slot, and in vibrating mass vibration processes, elastic supporting member for supporting optical member is not easy to the thickness direction vibration along motor, make vibration reliable, and reduce noise.
(4) the high sensitivity horizontal vibration micromachine that the utility model provides, in described installing space, be also provided with for preventing that described vibrating mass from directly clashing into the locating piece of described casing bottom surface, the setting of above-mentioned locating piece has avoided the vibrating mass of motor directly to clash into upper coverboard.
(5) the fast reaction horizontal vibration micromachine that the utility model provides, in described installing space, be also provided with the guide vane end stop being fixed on described lower cover, described guide vane end stop comprises vertical portion and horizontal component, the height of described vertical portion is greater than the mutual close surperficial vertical range of described vibrating mass and described coil, when this kind setting has guaranteed machine operation, vibrating mass can not clash into coil, has improved the useful life of coil.
(6) the fast reaction horizontal vibration micromachine that the utility model provides, is provided with block rubber in described vertical portion.During machine operation, vibrating mass is along horizontal direction double vibrations, because the vertical portion of guide vane end stop is provided with block rubber, when motor oscillating amplitude is larger, block rubber can cushion the vibration of vibrating mass, reduces the noise of motor, avoids vibrating mass to clash into the sidewall of casing simultaneously.
Accompanying drawing explanation
For content of the present utility model is more likely to be clearly understood, according to specific embodiment of the utility model also by reference to the accompanying drawings, the utility model is described in further detail, wherein below
Fig. 1 is the sectional side elevation of the high sensitivity linear oscillator micromachine that provides of the utility model embodiment 1;
Fig. 2 is the structural representation of the elastic supporting member for supporting optical member that provides of the utility model embodiment 1;
Fig. 3 is the guide vane end stop that provides of the utility model embodiment 1 and the syndeton schematic diagram of block rubber;
Stressed schematic diagram when Fig. 4 is the high sensitivity horizontal vibration micromachine energising providing in Fig. 1.
In figure, Reference numeral is expressed as: 1-casing; 11-upper cover plate; 12-lower cover; 2-coil groups; 3-elastic supporting member for supporting optical member; 30-open slot; 31-the first connecting portion; 32-the second connecting portion; 33-middle interconnecting piece; 4-vibration component; 41-vibrating mass; 42-installs through hole; 43-permanent magnet; 5-locating piece; 6-guide vane end stop; 61-vertical portion; 62-horizontal component; 62a, 62b-extension; 7-block rubber; 8-FPCB plate.
Embodiment
For technical characterictic of the present utility model, object and effect being had more clearly, understand, now contrast accompanying drawing embodiment of the present utility model is described.
The present embodiment provides a kind of high sensitivity linear oscillator micromachine, as Figure 1-4, comprise: casing 1, mount cover that Shang Xia 1 both sides and form upper cover plate 11 and the lower cover 12 of installing space with described casing 1 at described casing, by laying respectively at the location of the elastic supporting member for supporting optical member 3 in two opposing sidewalls of described casing 1, be suspended on the vibration component 4 in described installing space, and be oppositely arranged on upper cover plate 11 and lower cover 12 along casing 1 short transverse, the coil groups 2 that has respectively certain distance with upper surface and the lower surface of described vibration component 4, described vibration component 4 can be along being basically parallel to the direction double vibrations of described lower cover 11 and making to be positioned at corresponding being stretched and compressing of two elastic supporting member for supporting optical member 3 in opposing sidewalls in vibration processes under the effect of magnetic field force, described vibration component 4 involving vibrations pieces 41, described vibrating mass 41 is provided with at least three and through hole 42 is installed and is arranged on the permanent magnet 43 in described installation through hole 42, the south poles opposite direction of any two adjacent permanent magnets 43.
It is pointed out that the coil groups 2 that is arranged on upper cover plate 11 and lower cover 12 is identical with the interact direction of the electromagnetic force that produces of permanent magnet 43 after energising.
The high sensitivity linear oscillator micromachine of the present embodiment, by coil groups 2 being respectively set on upper cover plate 11 and lower cover 12, increased the electromagnetic force forming between magnetic field that coil can produce and magnetic field of permanent magnet, and a little less than needs during vibrating effect, only give a lateral coil energising, and while needing strong vibration effect, give both sides coil electricity, can make to vibrate micromachine and in the situation that not changing input voltage, realize the change of vibrating effect.And when upper and lower two groups of coils are worked simultaneously, the electromagnetic force of the vertical direction of its generation is cancelled out each other, and prevents that vibration component from moving in vertical direction, guarantees that motor operates steadily.
In the present embodiment, described coil groups 2 respectively comprises the coil that two series connection arrange.
In the present embodiment, described elastic supporting member for supporting optical member 3 comprises and is fixed on described vibrating mass 41 and the first connecting portion 31 on the parallel side end of described double vibrations direction, is fixed on described casing 1 and the second connecting portion 32 in the parallel side of described double vibrations direction, and by connecting described the first connecting portion 31 and described the second connecting portion 32 to form the middle interconnecting piece 33 of open slot 30.
Because vibrating mass 41 can hold and be installed on open slot 30 inside along the end of double vibrations direction, the casing inner space that vibrating mass is taken together with elastic supporting member for supporting optical member 3 is less, thereby can reduce the volume of whole vibrating motor, and, elastic supporting member for supporting optical member 3 is because the first connecting portion 31, the second connecting portion 32 and middle interconnecting piece 33 form open slot, and in vibrating mass 41 vibration processes, elastic supporting member for supporting optical member 3 is not easy to the thickness direction vibration along motor, make vibration reliable, and reduce noise.
In the present embodiment, the side near described upper cover plate 11 and/or lower cover 12 in described installing space is provided with FPCB plate 8, and described installing space is stretched out in one end of described FPCB plate 8.
As a kind of improvement of the present embodiment, can also in described installing space, also be provided with for preventing that described vibrating mass 41 from directly clashing into the locating piece 5 of described upper cover plate 11, described locating piece 5 is fixedly connected with the bottom surface of described casing 1.
Described locating piece 5 is two, lays respectively at the both sides of described casing 1 bottom surface.
Described locating piece 5 is cuboid.
By the setting of locating piece, avoided the vibrating mass 41 of motor directly to clash into upper cover plate 11.
Another improvement as the present embodiment, in described installing space, be also provided with the guide vane end stop 6 being fixed on described lower cover 12, described guide vane end stop 6 comprises vertical portion 61 and horizontal component 62, the extension 62a that described horizontal component 62 comprises a cuboid base and is molded over described base both sides and extends to same direction, 62b, described vertical portion 61 is formed in one at the described extension 62a of being positioned at of described base, in part between 62b and the rectangle of extending along described substructure height direction projection, the height of described vertical portion 61 is greater than the mutual close surperficial vertical range of described vibrating mass 41 and described coil groups 2.
While having guaranteed machine operation by arranging of guide vane end stop 6, vibrating mass can not clash into coil, has improved the useful life of coil.
In the present embodiment, in described vertical portion 61, block rubber 7 is installed.
By block rubber 7 is installed, make motor when work, vibrating mass is along horizontal direction double vibrations, because the vertical portion 61 of guide vane end stop 6 is provided with block rubber 7, when motor oscillating amplitude is larger, block rubber 7 can cushion the vibration of vibrating mass 41, reduces the noise of motor, avoids vibrating mass to clash into casing 1 simultaneously.
Obviously, above-described embodiment is only for example is clearly described, not the restriction to execution mode.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without also giving all execution modes.And among the protection range that the apparent variation of being extended out thus or change are still created in the utility model.
Claims (9)
1. a high sensitivity horizontal vibration micromachine, it is characterized in that, comprise: casing (1), mount cover in the upper and lower both sides of described casing (1) and form upper cover plate (11) and the lower cover (12) of installing space with described casing (1), by laying respectively at the location of the elastic supporting member for supporting optical member (3) in two opposing sidewalls of described casing (1), be suspended on the vibration component (4) in described installing space, and be oppositely arranged on upper cover plate (11) and lower cover (12) along casing (1) short transverse, the coil groups (2) that has respectively certain distance with upper surface and the lower surface of described vibration component (4), described vibration component (4) can be along being basically parallel to the direction double vibrations of described lower cover (11) and making to be positioned at corresponding being stretched and compressing of two elastic supporting member for supporting optical member (3) in opposing sidewalls in vibration processes under the effect of magnetic field force, described vibration component (4) involving vibrations piece (41), described vibrating mass (41) is provided with at least three and through hole (42) is installed and is arranged on the permanent magnet (43) in described installation through hole (42), the south poles opposite direction of any two adjacent permanent magnets (43).
2. high sensitivity horizontal vibration micromachine according to claim 1, is characterized in that, described coil groups (2) respectively comprises the coil that two series connection arrange.
3. high sensitivity horizontal vibration micromachine according to claim 2, it is characterized in that: described elastic supporting member for supporting optical member (3) comprises the first connecting portion (31) on a side end parallel with double vibrations direction that is fixed on described vibrating mass (41), be fixed on described casing (1) and the second connecting portion (32) in the parallel side of described double vibrations direction, and by connecting described the first connecting portion (31) and described the second connecting portion (32) to form the middle interconnecting piece (33) of open slot (30).
4. high sensitivity horizontal vibration micromachine according to claim 1, it is characterized in that: in described installing space, be also provided with for preventing that described vibrating mass (41) from directly clashing into the locating piece (5) of described upper cover plate (11), described locating piece (5) is fixedly connected with the bottom surface of described casing (1).
5. high sensitivity horizontal vibration micromachine according to claim 4, is characterized in that: described locating piece (5) is two, lays respectively at the both sides of described casing (1) bottom surface.
6. high sensitivity horizontal vibration micromachine according to claim 5, is characterized in that: described locating piece (5) is cuboid.
7. high sensitivity horizontal vibration micromachine according to claim 1, it is characterized in that: in described installing space, be also provided with the guide vane end stop (6) being fixed on described lower cover (12), described guide vane end stop (6) comprises vertical portion (61) and horizontal component (62), extension (the 62a that described horizontal component (62) comprises a cuboid base and is molded over described base both sides and extends to same direction, 62b), described vertical portion (61) is formed in one at the described extension (62a of being positioned at of described base, in part 62b) and the rectangle of extending along described substructure height direction projection, the height of described vertical portion (61) is greater than the mutual close surperficial vertical range of described vibrating mass (41) and described coil groups (2).
8. high sensitivity horizontal vibration micromachine according to claim 7, is characterized in that: block rubber (7) is installed in described vertical portion (61).
9. according to the high sensitivity horizontal vibration micromachine described in any one in claim 1-7, it is characterized in that: the side near described upper cover plate (11) and/or lower cover (12) in described installing space is provided with FPCB plate (8), and described installing space is stretched out in one end of described FPCB plate (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420327132.0U CN203883656U (en) | 2014-06-18 | 2014-06-18 | High-sensitivity horizontally-vibrating micro motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420327132.0U CN203883656U (en) | 2014-06-18 | 2014-06-18 | High-sensitivity horizontally-vibrating micro motor |
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| Publication Number | Publication Date |
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| CN203883656U true CN203883656U (en) | 2014-10-15 |
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| CN201420327132.0U Active CN203883656U (en) | 2014-06-18 | 2014-06-18 | High-sensitivity horizontally-vibrating micro motor |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015106600A1 (en) * | 2014-01-20 | 2015-07-23 | 金龙机电股份有限公司 | Fast-response horizontal vibration micro motor |
| CN105356711A (en) * | 2015-11-25 | 2016-02-24 | 歌尔声学股份有限公司 | Linear vibration motor |
| CN106208597A (en) * | 2016-07-21 | 2016-12-07 | 瑞声科技(新加坡)有限公司 | Linear vibration electric motor |
-
2014
- 2014-06-18 CN CN201420327132.0U patent/CN203883656U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015106600A1 (en) * | 2014-01-20 | 2015-07-23 | 金龙机电股份有限公司 | Fast-response horizontal vibration micro motor |
| CN105356711A (en) * | 2015-11-25 | 2016-02-24 | 歌尔声学股份有限公司 | Linear vibration motor |
| CN105356711B (en) * | 2015-11-25 | 2018-07-27 | 歌尔股份有限公司 | Linear vibration motor |
| CN106208597A (en) * | 2016-07-21 | 2016-12-07 | 瑞声科技(新加坡)有限公司 | Linear vibration electric motor |
| CN106208597B (en) * | 2016-07-21 | 2018-09-21 | 瑞声科技(新加坡)有限公司 | Linear vibration electric motor |
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