KR101184408B1 - Vertical Linear vibrator - Google Patents
Vertical Linear vibrator Download PDFInfo
- Publication number
- KR101184408B1 KR101184408B1 KR20100111819A KR20100111819A KR101184408B1 KR 101184408 B1 KR101184408 B1 KR 101184408B1 KR 20100111819 A KR20100111819 A KR 20100111819A KR 20100111819 A KR20100111819 A KR 20100111819A KR 101184408 B1 KR101184408 B1 KR 101184408B1
- Authority
- KR
- South Korea
- Prior art keywords
- permanent magnet
- coil
- bracket
- case
- moving part
- Prior art date
Links
Images
Abstract
According to the present invention, a vertical linear vibrator having a permanent magnet, a coil part and a power connection part inside the case, and the mass body vibrates by an electromagnetic force acting between the coil part and the permanent magnet when power is input from the outside through the power connection part. as,
The spring member is placed between the bracket and the moving part to enable normal operation even without a case, thereby freely reducing the thickness according to the case material and shape, and in particular, the product is easily assembled and inspected in the production process to maximize productivity. In addition, by using a plurality of permanent magnets to form the maximum electromagnetic force in a small space by constructing a highly efficient magnetic circuit to provide a vertical oscillator to obtain a miniaturized, slim, high vibration amount.
Description
The present invention relates to a vertical linear vibrator, and more particularly, to a vertical linear vibrator which is designed to vibrate mounted on a personal portable terminal, a game machine or a remote control.
In general, one of the essential functions of a communication device is an incoming call function. The most common types of incoming calls are vocalizations such as melodies and bells, and vibrations that cause the device to shake. Especially, the vibration function is mainly used when the melody or bell is transmitted to the outside through the speaker to avoid any damage to others. For this vibration, a small vibrator is driven to transmit the driving force to the case of the device. It is common for the device to vibrate.
In addition, in recent years, as the spread of touch screen mobile phones increases, a vibrator is required to provide a virtual touch feeling to a user beyond a reception function instead of a melody.
Vibration motors currently applied to mobile phones generate rotational force to obtain mechanical vibrations using the unbalanced mass rotating parts. Most vibration motors used at this time supply current using a brush and a commutator.
As such, a vibrator mounted on a mobile phone or a game machine is required to have a long life, a small size, and excellent vibration performance.
1 is a cross-sectional view showing a conventional rotary vibrator, Figure 2 is a view showing the FPCB of Figure 1, Figure 3 is a view showing the rotor of FIG.
Referring to the drawings, the method of supplying external power to the
First, power is supplied to the
Referring to FIG. 2, the FPCB 15 has a lead
Meanwhile, the
In the conventional
When power is applied from the outside, vibration is generated while the moving
The
However, such a structure is difficult to generate the vibration only in one axis by vibrating in two axes as the moving
The present invention has been made to solve the above-described problems of the prior art, having a permanent magnet, a coil and a power connection in the interior of the case, when the power is input from the outside through the power connection to act between the coil and the permanent magnet In a linear vibrator in which a mass vibrates vertically due to electromagnetic force, it is possible to provide a compact and lightweight structure by having a highly responsive, long-life, and highly efficient electromagnetic structure, and to provide a vertical linear vibrator having high vibration force.
The object is according to the present invention, a case having a predetermined space therein, a yoke disposed in the inner space of the case, a magnetic circuit portion is mounted under the magnetic circuit portion is mounted a permanent magnet to the yoke to create a magnetic field of a certain intensity, A coil which generates an electric field when power is applied, a power connection unit configured to apply power to the coil, a bracket integrally formed with the coil and the power connection unit, one side of which is fixed to the top of the bracket, and another work on the bottom of the magnetic circuit unit A spring member having a fixed side surface, a mass unit integrally mounted to the magnetic circuit unit, and a moving unit vertically vibrated by using the elasticity of the spring member together with the magnetic circuit unit, and the movement unit is in direct contact between the case or the bracket during vertical vibration The case or the bracket to prevent Comprising a damping member disposed between the machine moving part, and with the weight adjustment groove in a part of the motion part is achieved by the weight adjustment projection on the vibrator perpendicular to the linear, characterized in that for adjusting the resonance frequency by mounting on the weight adjustment groove.
Here, it is preferable to form the end of the yoke integrally extending outward in a direction perpendicular to the direction of movement and to fix the spring member one side to the portion formed to extend.
In addition, it is effective to mount a damping member separately between the case and the moving part and between the bracket and the moving part.
On the other hand, the object is, according to another aspect of the present invention, a case having a predetermined space therein, a yoke disposed in the inner space of the case, a first permanent magnet mounted to the yoke to create a magnetic field of a certain strength, the yoke A second permanent magnet disposed side by side in the same magnetic force line as the first permanent magnet, and a moving part including a mass coupled to one side of the second permanent magnet, disposed between the first permanent magnet and the second permanent magnet A coil to generate an electric field when power is applied, a power connection unit configured to apply power to the coil, a bracket integrally formed with the coil and the power connection unit, a spring member fixed to the upper end of the bracket and fixed to the lower end of the moving unit, and the case Or a damping member disposed between the bracket and the moving part, wherein the first permanent magnet and the second permanent magnet And the moving part to the interaction of electromagnetic force between the coils is achieved by a vertical linear vibrator characterized in that the reciprocating motion.
Here, it is preferable to arrange the coil between the first permanent magnet and the second permanent magnet.
At this time, it is effective to mount the lower plate to form the magnetic flux of the permanent magnet on the lower surface of the first permanent magnet and the second permanent magnet.
In addition, to provide a coil support for adjusting the fixed height of the coil in order to arrange the center of the thickness of the lower plate mounted on the bottom surface of the first permanent magnet and the second permanent magnet so that the center of the coil height in the power off state desirable.
In addition, it is effective to provide an escape groove in the bracket or part of the case facing the lower plate in order to minimize contact between the spring member and the lower plate connected to the bracket during operation.
delete
In addition, the resonant frequency may be adjusted by placing a weight adjusting groove on a portion of the moving part and attaching a weight adjusting protrusion to the weight adjusting groove.
In addition, one side of the spring member may be mounted to the lower plate.
delete
delete
According to the present invention, the case is provided with a permanent magnet, a coil part and a power connection inside the case, when the power is input from the outside through the power connection as a vertical linear vibrator in which the mass vibrates by the electromagnetic force acting between the coil and the permanent magnet ,
The spring member is placed between the bracket and the moving part to enable normal operation even without a case, thereby freely reducing the thickness according to the case material and shape, and in particular, the product is easily assembled and inspected in the production process to maximize productivity. In addition, by using a plurality of permanent magnets to form a high-efficiency magnetic circuit to generate the maximum electromagnetic force in a small space there is an effect to obtain a miniaturized, slim, high vibration amount.
1 is a cross-sectional view showing a conventional rotary vibrator,
2 is a view showing the FPCB of FIG.
3 is a view showing the circuit board of FIG.
4 is a cross-sectional view of a vertical linear vibrator according to an embodiment of the present invention;
5 is a cross-sectional view of a vertical linear vibrator having a structure using a plurality of permanent magnets according to another embodiment of the present invention;
6 is an exploded perspective view of the vertical linear vibrator of FIG. 5, FIG.
7 is an embodiment of a weight adjustment protrusion according to an embodiment of the present invention.
Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.
4 is a cross-sectional view of a vertical linear vibrator according to an embodiment of the present invention. Referring to the drawings, the vertical
The
The operation of the vertical
Conventionally, a moving part including a mass body vibrates up and down by connecting a spring member to a case, but it is necessary to assemble the case and the bracket integrally so that the vibration characteristic can be known and the frequency characteristic is poor. Repair is almost impossible.
On the contrary, by fixing the
Resonance Frequency = C * Root (M / k): C-Constant, M-Mass, k-Spring Constant
Therefore, it can be seen from the above equation that the resonance frequency changes when the mass changes.
By using this principle, the
delete
5 is a cross-sectional view of a vertical linear vibrator of a structure using a plurality of permanent magnets according to another embodiment of the present invention, and FIG. 6 is an exploded perspective view of the vertical linear vibrator of FIG. 5.
Referring to these drawings, the vertical
In addition, the
In particular, when the power is turned off, the attachment position of the
Then, one side of the
In addition, by placing the
In addition, the damping
7 is a structural example of the
As described above, the
delete
In the above, the configuration and operation of the present invention has been shown in accordance with the above description and drawings, but this is merely an example, and various changes and modifications are possible without departing from the spirit and scope of the present invention. .
100: linear vibrator 110: case
111: bracket 112: athletic
113:
113b: 2nd permanent magnet 114: York
114a: bottom plate 115: power connection
120 damping
123: spring member 125: coil
131: coil support 133: escape groove
200: weight adjustment groove 210: weight adjustment projection
Claims (15)
Yoke disposed in the inner space of the case,
Magnetic circuit unit is mounted to the yoke to create a magnetic field of a certain strength,
A vibration generating coil disposed under the magnetic circuit unit to generate an electric field when power is applied;
A power connection configured to apply power to the coil,
A bracket integrally formed with the coil and the power connection unit,
A spring member having one side fixed to the top of the bracket and another side fixed to the bottom of the magnetic circuit unit,
A moving part having a mass body integrally mounted to the magnetic circuit part and vibrating up and down by using the elasticity of the spring member together with the magnetic circuit part;
And a damping member disposed between the case or the bracket and the moving part to prevent direct contact between the case or the bracket and absorb shock when the moving part is vibrated up and down.
A vertical linear vibrator having a weight adjusting groove in a portion of the moving part and adjusting a resonance frequency by mounting a weight adjusting protrusion to the weight adjusting groove.
And vertically extending the end of the yoke integrally outward in a direction perpendicular to the movement direction and fixing one side surface of the spring member to the extended portion.
And a damping member mounted separately between the case and the moving part and between the bracket and the moving part.
Yoke disposed in the inner space of the case,
A first permanent magnet mounted to the yoke to create a magnetic field of a certain intensity,
A second permanent magnet mounted to the yoke and disposed side by side in the same magnetic force line direction as the first permanent magnet,
A moving part including a mass coupled to one side of the second permanent magnet,
A coil disposed between the first permanent magnet and the second permanent magnet to generate an electric field when power is applied;
A power connection configured to apply power to the coil,
A bracket integrally formed with the coil and the power connection unit,
A spring member fixed to the upper end of the bracket and fixed to the lower end of the moving part;
A damping member disposed between the case or the bracket and the moving part,
The vertical linear vibrator, characterized in that the movement unit reciprocates by the interaction of the electromagnetic force between the first permanent magnet and the second permanent magnet and the coil.
And the coil is disposed between the first permanent magnet and the second permanent magnet.
And a lower plate mounted to form magnetic fluxes of the permanent magnets on the lower surfaces of the first and second permanent magnets.
Characterized in that the coil support for adjusting the fixed height of the coil in order to arrange the center of the thickness of the lower plate mounted on the bottom surface of the first permanent magnet and the second permanent magnet so that the center of the coil height in the power off state Vertical linear vibrator.
And a connecting groove connected to the spring member and the lower plate to provide an escape groove in the bracket or part of the case facing the lower plate to minimize contact with the bracket during operation.
A vertical linear vibrator having a weight adjusting groove in a portion of the moving part and adjusting a resonance frequency by mounting a weight adjusting protrusion to the weight adjusting groove.
The vertical linear vibrator, characterized in that for mounting the one side of the spring member on the lower plate.
And a lower plate mounted on the lower surface of the permanent magnet to form magnetic flux of the permanent magnet.
And a coil support for adjusting the fixed height of the coil so that the center of thickness of the lower plate mounted on the bottom surface of the permanent magnet is aligned with the center of the coil height in a power-off state.
And a connecting groove connected to the spring member and the lower plate to provide an escape groove in the bracket or part of the case facing the lower plate to minimize contact with the bracket during operation.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR20100111819A KR101184408B1 (en) | 2010-11-10 | 2010-11-10 | Vertical Linear vibrator |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR20100111819A KR101184408B1 (en) | 2010-11-10 | 2010-11-10 | Vertical Linear vibrator |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20120050362A KR20120050362A (en) | 2012-05-18 |
KR101184408B1 true KR101184408B1 (en) | 2012-09-20 |
Family
ID=46267885
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR20100111819A KR101184408B1 (en) | 2010-11-10 | 2010-11-10 | Vertical Linear vibrator |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR101184408B1 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101274405B1 (en) | 2012-04-06 | 2013-06-17 | 싸니코전자 주식회사 | Linear vibrator with wide band operating frequency |
KR101953224B1 (en) | 2018-05-16 | 2019-05-22 | 주식회사 오리엔텍 | The FPCB for a linear vibrator |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101987068B1 (en) * | 2019-03-04 | 2019-09-27 | 주식회사 블루콤 | Linear vibration actuator |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100923867B1 (en) * | 2009-07-21 | 2009-10-28 | 김태진 | Linear vibration motor |
-
2010
- 2010-11-10 KR KR20100111819A patent/KR101184408B1/en not_active IP Right Cessation
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100923867B1 (en) * | 2009-07-21 | 2009-10-28 | 김태진 | Linear vibration motor |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101274405B1 (en) | 2012-04-06 | 2013-06-17 | 싸니코전자 주식회사 | Linear vibrator with wide band operating frequency |
KR101953224B1 (en) | 2018-05-16 | 2019-05-22 | 주식회사 오리엔텍 | The FPCB for a linear vibrator |
Also Published As
Publication number | Publication date |
---|---|
KR20120050362A (en) | 2012-05-18 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
KR20120054685A (en) | Linear vibrator | |
KR101101506B1 (en) | Horizontal linear vibrator | |
US8237314B2 (en) | Horizontal linear vibrator | |
US7193346B2 (en) | Multi-mode vibration generator for communication terminal | |
KR100720197B1 (en) | Linear type vibration motor vibrated horizontally | |
KR20110101516A (en) | Vibration motor | |
KR100992264B1 (en) | Linear Type Vibration Motor | |
KR20110048311A (en) | A spring member of linear vibration motor | |
CN207706021U (en) | A kind of linear vibration motor | |
KR20140073727A (en) | Linear vibrator | |
KR101141726B1 (en) | Fpcb for linear vibrator and linear vibrator having the same | |
KR101184408B1 (en) | Vertical Linear vibrator | |
KR101184502B1 (en) | Linear Vibration | |
KR20120078550A (en) | Linear motor | |
KR20120051504A (en) | Linear vibrator | |
KR100895993B1 (en) | Linear vibration device | |
KR20120033038A (en) | Horizontal linear vibrator | |
KR101744029B1 (en) | Linear type vibration motor vibrated Verticality | |
KR100596060B1 (en) | A vibrator of hand phone | |
KR20120018405A (en) | Horizontal linear vibrator | |
KR101078597B1 (en) | Horizontality vibration type linear motor | |
KR101274405B1 (en) | Linear vibrator with wide band operating frequency | |
KR20110011117A (en) | Linear vibrator | |
KR20160028134A (en) | Cantilever type vibrator | |
KR101752718B1 (en) | Linear vibrator |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
E701 | Decision to grant or registration of patent right | ||
GRNT | Written decision to grant | ||
FPAY | Annual fee payment |
Payment date: 20150914 Year of fee payment: 4 |
|
LAPS | Lapse due to unpaid annual fee |