CN104043575A - Vibration generating device - Google Patents
Vibration generating device Download PDFInfo
- Publication number
- CN104043575A CN104043575A CN201310077354.1A CN201310077354A CN104043575A CN 104043575 A CN104043575 A CN 104043575A CN 201310077354 A CN201310077354 A CN 201310077354A CN 104043575 A CN104043575 A CN 104043575A
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- CN
- China
- Prior art keywords
- vibration generating
- vibrating body
- coil
- yoke
- casing
- 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.)
- Pending
Links
- 230000003993 interaction Effects 0.000 claims abstract description 7
- 238000003780 insertion Methods 0.000 claims description 6
- 230000037431 insertion Effects 0.000 claims description 6
- 230000000694 effects Effects 0.000 abstract description 12
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 230000002411 adverse Effects 0.000 abstract 1
- 238000001514 detection method Methods 0.000 abstract 1
- 238000005303 weighing Methods 0.000 description 12
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 8
- 230000010287 polarization Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 238000003466 welding Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
- 229910052742 iron Inorganic materials 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 230000002950 deficient Effects 0.000 description 2
- 230000010355 oscillation Effects 0.000 description 2
- 101001045744 Sus scrofa Hepatocyte nuclear factor 1-beta Proteins 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 239000003637 basic solution Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 239000011889 copper foil Substances 0.000 description 1
- 230000005415 magnetization Effects 0.000 description 1
- 230000010358 mechanical oscillation Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
Landscapes
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
Abstract
The invention relates to a vibration generating device. The vibration generating device is characterized by comprising a housing, a coil, a vibrating body and an elastic member, wherein the interior of the housing is provided with an accommodating space; the coil is accommodated in the accommodating space of the housing and conducts a current; the vibrating body is provided with a magnet and a magnetic yoke and is placed above the coil, so as to vibrate due to magnetic field influence caused by interaction between the vibrating body and the coil; the elastic member is placed below the vibrating body, so as to elastically support the vibrating body. According to the vibration generating device, fixing supporting points for fixedly arranging the elastic member and the magnetic yoke are placed at multiple positions, the partial vibration can be improved due to multi-position fixing, and the elastic member is formed at the lower part of a magnetic circuit, so that the vibration generating device has the effect that a vibration space can be fully ensured; in addition, a vibrating body structure comprising the magnetic circuit is formed at the lower part, so that the vibration generating device has the effects the convenience for product production operation is improved and the detection on adverse states can be easily carried out.
Description
Technical field
The present invention relates to vibration generating arrangement.
Background technology
Conventionally, in communication equipment, be to utilize the tinkle of bells or utilization to make the method for vibration equipment notify incoming call.Wherein, utilize the method for vibration to be mainly used in when not wanting to have influence on other people because of the tinkle of bells, therefore need to by driving, be formed in the small vibrating generating means of device interior, make driving force be communicated to the casing of equipment.
Current, be applied to as the vibration generating arrangement in the communication equipment of mobile phone, be to utilize the occurring principle of electromagnetic force to convert electrical energy into the parts of mechanical oscillation, carry on mobile phone for notifying the call-in reporting of silent state.
Along with being accompanied with under the trend of various functions on the rapid expansion of mobile phone market in recent years and mobile phone, require miniaturization and high-qualityization of mobile phone component, therefore, this vibration generating arrangement need to be faced the problem that solves existing product, and is necessary further to promote the reality of quality.
On the other hand, as shown in Figure 1, common vibration generating arrangement 10, its structure comprises: casing 11, has receiving space; Lower panel 16, is installed on bottom surfaces; Magnet 17, perpendicular magnetization is in lower panel 16; Yoke 18, is provided with magnet 17, together forms magnetic circuits with described lower panel 16, magnet 17; Elastomeric element 15, is installed between described casing 11 and yoke 18, thereby up-down vibration includes the vibrating body of the weighing body 19 that is installed on described yoke 18; And vibration occurs, with coil 14, to possess in the upper side that seals the support of described casing 11 bottoms.
This vibration generating arrangement 10, by elastomeric element 15, fix between the inside face and the exterior face as the yoke 18 of vibrating body of casing 11, thereby the vibration of vibrating body is communicated to casing 11, between the exterior face of the inside face of casing 11 and yoke 18, be formed with certain space, thereby the polarization rocking to the left and right while being accompanied by vibrating body up-down vibration is moving.
For this reason, in Korea S's login patent gazette No. 10-0593917 (vertical vibrator), provide a kind of technology, in the space forming, form damped part between the inside face of casing and the exterior face of vibrating body, absorb by contacting and the impact that causes between casing and vibrating body.
But, in the above-mentioned technology of mentioning, when secures resilient member and vibrating body, in yoke, form welding etc., when elastomeric element is fixed on the exterior face of yoke, the place of formation welding etc. substantially also can be corresponding to its central point in yoke.
Because the place of welding elastomeric element and vibrating body is positioned at a bit of inner central section of yoke, therefore there is the problem that is difficult to the moving generation of polarization that minimizing causes thus, and the effect of impact absorbing member is just carried out in the utilization of damped part etc., be difficult to become and make vibrating body itself with stable state, carry out the basic solution of up-down vibration.
In addition,, because elastomeric element is attached to the top of casing, the bottom that therefore forms magnetic circuits can form restriction, the problem that exists thus Oscillation Amplitude to diminish to the space of vibration.
Summary of the invention
(technical problem that will solve)
The present invention is in order to solve problem as above, the moving technology of polarization that its object occurs while being to provide the up-down vibration that can reduce vibrating body in vibration generating arrangement.
(means of dealing with problems)
In order to reach above-mentioned purpose, the vibration generating arrangement according to a scheme of the present invention, is characterized in that, comprising: casing, and inside has receiving space; Coil, is contained in the receiving space of described casing, and flows and have the electric current of supplying with from outside; Vibrating body, is contained in the receiving space of described casing, and the yoke that has magnet and wrap up described magnet, is placed in the top of described coil, thereby the impact that is subject to the magnetic field that occurs by the interaction with described coil is vibrated; And elastomeric element, be contained in the receiving space of described casing, and the below that is placed in described vibrating body comes elasticity to support described vibrating body.
In addition, it is characterized in that, described elastomeric element is the perforated flat spring of middle body, and described coil is connected.
, it is characterized in that, the yoke of described vibrating body is fixed in the inside edge of described flat spring herein.
In addition, it is characterized in that, the part that dock with described yoke the inside edge of described flat spring is to be welded and fixed by a plurality of fulcrums.
On the other hand, it is characterized in that, the outer ledge of described flat spring is fixed on described casing.
In addition, it is characterized in that, the outer ledge of described flat spring is formed with the fixed lobe of protrusion, is formed with the insertion section corresponding to described fixed lobe on described casing, and described flat spring is by described fixed lobe, to be inserted into described insertion section to fix in described casing.
(effect of invention)
As described above, according to the present invention, there is effect as described below.
The first, by for secures resilient member and yoke fixed pivot be placed in many places therefore because be to be fixed by many places, have and can improve the moving effect of polarization.
The second, elastomeric element is formed in the bottom that forms magnetic circuits, thereby has the effect that can fully guarantee oscillation space.
The 3rd, the structure that comprises the vibrating body of magnetic circuits is all formed in to bottom, thereby there is the operation convenience of endeavouring for production, and the effect that can easily detect defective mode.
The 4th, elastomeric element is formed in bottom can reduce assembling procedure thus, and because the swing of the elastomeric element can retrain assembling procedure time, has thus and can reduce the bad effect of generation that the rotation by elastomeric element causes.
The 5th, promote the stability moving up and down for vibrating body, thereby can have prevent by polarization moving that cause with the effect contacting circumferential component.
The 6th, prevent by the noise occurring with contacting of circumferential component, and there is the effect that can promote vibration efficiency.
Accompanying drawing explanation
Fig. 1 is the cutaway view illustrating vibration generating arrangement in the past.
Fig. 2 means the exploded perspective view of vibration generating arrangement according to an embodiment of the invention.
Fig. 3 means the cutaway view of vibration generating arrangement according to an embodiment of the invention.
(description of reference numerals)
100: vibration generating arrangement 110: casing
120: block 130: flexible print wiring
140: coil 150: flat spring
152: inside edge 154: outer ledge
160: plate 170: magnet
180: yoke 190: weighing body
The specific embodiment
With reference to accompanying drawing, to more specifically describing according to a preferred embodiment of the invention, for the terseness illustrating, for known technology part, will omit or compress.
As shown in Figures 2 and 3, vibration generating arrangement 100 according to an embodiment of the invention, and its structure comprises: lower casing 110-a; Block 120; Flexible print wiring 130; Coil 140; Flat spring 150; Plate 160; Magnet 170; Yoke 180; Weighing body 190; And upper housing 110-b.
Lower casing 110-a is combined with upper housing 110-b to form the casing 110 that an inside has receiving space, and is configured to, and adheres to or be fixed with block 120, flexible print wiring 130, coil 140 and flat spring 150 etc. on top.
In addition, in embodiments of the invention, flat spring 150 is fixed on lower casing 110-a, and is configured to magnet 170, yoke 180 and weighing body 190 etc. that elasticity is supported up-down vibration.
Block 120, the situation that the scope that is configured to the up-down vibration that prevents magnet 170, yoke 180 and weighing body 190 departs from certain limit occurs, and is configured to and prevents from being caused flexible print wiring 130 to impact by the up-down vibration that is attached to the plate 160 of magnet 170.In addition, by preventing necessary above up-down vibration, life-span that can extension plate spring 150.
Flexible print wiring (FPCB:Flexible Printed Circuit Board) 130, as adhere to can be pliable and tough the raw sheet of circuit substrate of the crooked Copper Foil (copper film) in ground, play the effect that supply power makes streaming current on coil 140.
On coil 140, flow and have the electric current of supplying with by flexible print wiring 130, be configured to, form magnetic field with the interaction of the magnet 170 of settling at certain intervals.
Herein, the material of coil 140 is preferably uses copper and aluminium etc., is preferably utilization and can realizes the structure of the optimum state of up-down vibration according to material and form, the bore of coil 140 and the material that insulate etc.
As shown in Figure 2, flat spring 150 is configured to, and is placed in the below of coming plate 160, magnet 170, yoke 180 and the weighing body 190 of up-down vibration by the interaction with coil 140, and they are carried out to elasticity support.
Herein, flat spring 150 is configured to the perforated form of central portion connects coil 140, and yoke 180 is fixed in inside edge 152, and outer ledge 154 is fixed on lower casing 110-a.In addition, flat spring 150 can, by the method for bonding or welding etc., be welded in lower casing 110-a and yoke 180.
; the inside edge 152 of flat spring 150 is that the periphery of edge open yoke 180 for wrapping up magnet 170 is fixed; therefore for fulcrum fixing and that weld, can not concentrate on a place; can weld most fulcrums in the part of docking with yoke 180, can be configured to thus the stability obtaining for the up-down vibration of magnet 170, yoke 180 and weighing body 190 etc.
In addition, the outer ledge 154 of flat spring 150 is configured to and is fixed on casing 110, the outer ledge 154 of flat spring 150 is protruded and be formed with fixed lobe P, thereby can be configured to, fixed lobe P is inserted into the insertion section H that is formed at casing 110 makes flat spring 150 be fixed on casing 110.
On the other hand, the plate 160, magnet 170, yoke 180 and the weighing body 190 that below illustrate, be contained in the receiving space of casing 110, and be configured to the top that is placed in coil 140, thereby the impact in the magnetic field occurring by the interaction being subject to coil 140 is vibrated.
Plate 160 is adhered to the face of the opening that magnet 170 do not wrap up by yoke 180, is preferably configured to by the shape corresponding to magnet 170 shapes.Plate 160 is configured to, magnetic field from yoke 180 by coil 140 through plate 160 inside, then by upper part, carry out magnetic field circulation from the lower part of magnet 170.
On the other hand, plate 160 is preferably by pure iron to be manufactured, and forms the distance of appropriate intervals between coil 140 and plate 160, is preferably embodied as, along with interval and thickness between coil 140 and plate 160 come optimization for the generation in the magnetic field of up-down vibration.
The inside of yoke 180 is settled and be fixed on to magnet 170, and by forming magnetic field with the interaction of coil 140, now, circulated and consisted of coil 140 by yoke 180 and plate 160 in magnetic field.
Yoke 180 is configured to, and the mobile magnetic field intensity that makes of controlling the magnetic field forming from magnet 170 becomes maximum, and makes magnetic field by coil 140, move to plate 160 glibly.
Now, yoke 180 is preferably by pure iron to be manufactured, the more high distortion that more there will not be magnetic field of the purity of pure iron, thereby the up-down vibration state that can realize.In addition, towards the part of the opening of the yoke 180 of magnetic circuits side, be configured to and there is crooked laterally form, thereby the position of fixed head spring 150 more can be relied on to outside with respect to center, thereby can be utilized as, improve the moving structure of polarization.
Herein, flat spring 150 can utilize laser weld with the fixing of yoke 180, and laser weld is melted metal with laser beam and carried out bonding welding, is configured to most fulcrums that welded plate spring 150 docks with yoke 180 and is fixed.
That is, than existing welding, be positioned at any method at the center, inner side of yoke 180, can guide stable up-down vibration, therefore can be configured to that to reduce polarization moving.
Weighing body 190 is configured to, and the suitable weight of adhering to be peripherally provided for vibration of parcel yoke 180 is preferably and has the proportion heavier than iron, is preferably by tungsten etc. and forms, and also can utilize other structures of nonmagnetic material.
Therefore, in identical volume, can utilize weighing body 190 to improve quality, can regulate thus the resonant frequency relevant to the quality of plate 160, magnet 170 and yoke 180 etc. to maximize vibratory output.
Upper housing 110-b and lower casing 110-a are contained in inner parts by combination protection.Now, upper housing 110-b is preferably configured to, and has the contact that moves up and down and cause that sufficient space prevents magnet 170, yoke 180 and weighing body 190.
In addition, upper housing 110-b is configured to, and is formed with insertion section H, and the fixed lobe P that makes to be formed at the outer ledge 154 of flat spring 150 inserts, thereby the rotation in the time of can preventing flat spring 150 manufacturing process, the rotation reducing due to flat spring 150 causes occurring bad.
On the other hand, vibration generating arrangement 100 according to an embodiment of the invention, because comprise that the members such as plate 160, magnet 170, yoke 180 and weighing body 190 of flat spring 150 all possess in the upper side of lower casing 110-a, therefore can endeavour the operation convenience for the manufacturing process of production, and under the state of non-cohesive upper housing 110-b, can to defective mode, confirm reliably, and be configured to flow chart is simplified more.
Above, by the embodiment with reference to accompanying drawing, the present invention is specifically described, but the above embodiments are only illustrated for having exemplified preferred example of the present invention, therefore not should be understood to, the present invention is defined in described embodiment, and technical scope of the present invention should be understood by the technical scope of recording and the concept being equal to thereof.
Claims (6)
1. a vibration generating arrangement, is characterized in that, comprising:
Casing, inside has receiving space;
Coil, is contained in the receiving space of described casing, and flows and have the electric current of supplying with from outside;
Vibrating body, is contained in the receiving space of described casing, and the yoke that has magnet and wrap up described magnet, is placed in the top of described coil, thereby the impact that is subject to the magnetic field that occurs by the interaction with described coil is vibrated; And
Elastomeric element, is contained in the receiving space of described casing, and the below that is placed in described vibrating body comes elasticity to support described vibrating body.
2. vibration generating arrangement according to claim 1, is characterized in that,
Described elastomeric element is the perforated flat spring of middle body, and described coil is connected.
3. vibration generating arrangement according to claim 2, is characterized in that,
The yoke of described vibrating body is fixed in the inside edge of described flat spring.
4. vibration generating arrangement according to claim 2, is characterized in that,
The part that dock with described yoke the inside edge of described flat spring is to be welded and fixed by a plurality of fulcrums.
5. vibration generating arrangement according to claim 2, is characterized in that,
The outer ledge of described flat spring is fixed on described casing.
6. vibration generating arrangement according to claim 5, is characterized in that,
The outer ledge of described flat spring is formed with the fixed lobe of protrusion,
On described casing, be formed with the insertion section corresponding to described fixed lobe,
Described flat spring is by described fixed lobe, to be inserted into described insertion section to fix in described casing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310077354.1A CN104043575A (en) | 2013-03-12 | 2013-03-12 | Vibration generating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310077354.1A CN104043575A (en) | 2013-03-12 | 2013-03-12 | Vibration generating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104043575A true CN104043575A (en) | 2014-09-17 |
Family
ID=51497252
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310077354.1A Pending CN104043575A (en) | 2013-03-12 | 2013-03-12 | Vibration generating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104043575A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105680661A (en) * | 2016-03-28 | 2016-06-15 | 昆山联滔电子有限公司 | Flat vibration motor |
| CN105720776A (en) * | 2016-03-28 | 2016-06-29 | 歌尔声学股份有限公司 | Vibrating motor and portable equipment |
| CN105720775A (en) * | 2016-03-28 | 2016-06-29 | 歌尔声学股份有限公司 | Vibrating motor and portable equipment |
| CN107528443A (en) * | 2017-01-31 | 2017-12-29 | 天津富禄通信技术有限公司 | Possesses the linear up-down vibration motor of anti-pulsation function |
| CN109672316A (en) * | 2018-04-30 | 2019-04-23 | 天津富禄通信技术有限公司 | Quadrangle vertical vibration motor |
| CN110266172A (en) * | 2019-03-04 | 2019-09-20 | 天津富禄通信技术有限公司 | Linear oscillator actuator |
| CN112109003A (en) * | 2020-09-15 | 2020-12-22 | 郭三定 | Vibration detection device for drum shot blasting machine |
| CN113784804A (en) * | 2019-05-10 | 2021-12-10 | 金大润 | Vibration module |
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| CN109672316B (en) * | 2018-04-30 | 2024-03-29 | 天津富禄通信技术有限公司 | Four-corner vertical vibration motor |
| CN109672316A (en) * | 2018-04-30 | 2019-04-23 | 天津富禄通信技术有限公司 | Quadrangle vertical vibration motor |
| CN110266172A (en) * | 2019-03-04 | 2019-09-20 | 天津富禄通信技术有限公司 | Linear oscillator actuator |
| CN110266172B (en) * | 2019-03-04 | 2023-12-01 | 天津富禄通信技术有限公司 | linear vibration actuator |
| CN113784804A (en) * | 2019-05-10 | 2021-12-10 | 金大润 | Vibration module |
| CN112109003A (en) * | 2020-09-15 | 2020-12-22 | 郭三定 | Vibration detection device for drum shot blasting machine |
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Application publication date: 20140917 |
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