CN207339615U - The linear up-down vibration motor of shell is formed including magnetic field closed circuit - Google Patents
The linear up-down vibration motor of shell is formed including magnetic field closed circuit Download PDFInfo
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- CN207339615U CN207339615U CN201720765328.1U CN201720765328U CN207339615U CN 207339615 U CN207339615 U CN 207339615U CN 201720765328 U CN201720765328 U CN 201720765328U CN 207339615 U CN207339615 U CN 207339615U
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- yoke
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- upward projection
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K33/00—Motors with reciprocating, oscillating or vibrating magnet, armature or coil system
- H02K33/02—Motors with reciprocating, oscillating or vibrating magnet, armature or coil system with armatures moved one way by energisation of a single coil system and returned by mechanical force, e.g. by springs
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/24—Casings; Enclosures; Supports specially adapted for suppression or reduction of noise or vibrations
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/06—Means for converting reciprocating motion into rotary motion or vice versa
- H02K7/065—Electromechanical oscillators; Vibrating magnetic drives
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K2211/00—Specific aspects not provided for in the other groups of this subclass relating to measuring or protective devices or electric components
- H02K2211/03—Machines characterised by circuit boards, e.g. pcb
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
- Reciprocating, Oscillating Or Vibrating Motors (AREA)
Abstract
A kind of linear up-down vibration motor that shell is formed including magnetic field closed circuit, including yoke are the utility model is related to, is combined with F PCB, coil and spring, including the upward projection that plane central portion is prominent to top, and combined with yoke shell；F PCB, a sidepiece run through above-mentioned upward projection (11) and are incorporated into the plane of above-mentioned yoke, and external power supply is supplied to coil；Coil, middle thereof is in above-mentioned upward projection and is vertically integrated in the plane of above-mentioned F PCB (20), and the vertical vibration of vibrating body is produced by the effect with magnet.The utility model can improve magnetic force and put together the magnetic force improved, so as to further improve the vibration force of vibrating motor.The production technology management of the utility model is easy, can reduce the combination fraction defective of produced product to greatest extent.At the same time, the utility model can reduce the noise to tremble and by generation of trembling in vibration.
Description
Technical field
A kind of up-down vibration motor is the utility model is related to, more particularly to one kind passes through Yoke-integrated shell and yoke
Magnetic field closed circuit is formed, to prevent from trembleing, magnetic force is improved and the magnetic force improved is concentrated on into central portion, so that having to carry
The linear up-down vibration motor of the effect of the vibration force of high vibration motor, and in particular to one kind forms outer including magnetic field closed circuit
The linear up-down vibration motor { Linear type vibration motor vibrated Verticality } of shell
Background technology
Recently as the fast development of wireless communication technique, the development of portable communication device is gradually in miniaturization and light weight
The trend of change, and according to above-mentioned miniaturization and light-weighted trend, it is equipped on the mechanism that includes inside portable communication device and fills
Put, the component including IC chip and circuit becomes highly integrated and multifunction, so as to need the improvement of size and shape to carry
Space-efficient.
But it is installed on inside portable communication device and is also catered to the flat vibration motor of silent vibration prompting incoming call
The trend of stating has carried out numerous studies.
The initial model for the vibrating motor being equipped on inside portable communication device is using stator and rotor as basic structure
Rotary-type vibrating motor form, above-mentioned rotary-type vibrating motor fixing axle on the stent of stator, makes rotor be supported by axis
Rotation is vibrated with producing, and in order to improve vibration force, by increasing the volume of rotor or increasing rotation number improvement vibration force, but because
The problem of in structure, there are limitation in terms of miniaturization, moreover, there are many difficulties, Wu Fabao in terms of high vibration is produced
The card service life more than certain time.
In order to improve problem present in above-mentioned rotary-type vibrating motor, up-down vibration type forms of actuator is proposed recently
Vibrating motor.
Upper case and lower case of the vibrating motor of up-down vibration type forms of actuator including mutual pairing, be formed at
The magnetic force generating unit of at least one side of upper case and lower case, the pulling force of application and magnetic force generating unit opposite direction or
Magnet, the installation magnet of repulsion form one and increase the weight thing of vibration force by moving up and down, above weight thing
It is fixed on the lower part of at least one side in following with the elastomeric element of elastic bearing weight thing, by the other end of elastomeric element
The fixed component of portion's shell and lower case.
Than rotary-type vibrating motor, the vibrating motor of above-mentioned up-down vibration type forms of actuator can not only extend using the longevity
Life, can overcome the limitation of size, moreover, it is also possible to obtain fast answer speed.
In addition, up-down vibration type vibrating motor can produce more excellent vibrating motor, by preventing internal part from receiving
The impact of vibrating body, can extend the service life of vibrating motor, and can improve the vibration force of vibrating body, it is necessary to which Persisting exploitation further carries
The vibrating motor of high-durability and vibration force.
Prior art literature
Patent document
(patent document 1) Korean published Patent publication the 10-2010-0073301st (2010.07.01.)
Utility model content
Problem to be solved
There is provided the purpose of the utility model is to overcome the deficiency of the prior art and a kind of to improve magnetic force and will improve
Magnetic force concentrates on center, to further improve the vibrating motor of vibration force.
The solution that the application provides
What the purpose of this utility model was realized in：
A kind of vibrating motor, including：
Yoke 10, it is combinative to possess F-PCB20, coil 30 and spring 40, including plane central portion dashes forward to top
The upward projection 11 gone out, and combined with yoke shell 80；
F-PCB20, a sidepiece run through above-mentioned upward projection 11 and are incorporated into the plane of above-mentioned yoke 10, will
External power supply is supplied to coil 30；
Coil 30, middle thereof is in above-mentioned upward projection 11 and is vertically integrated in the plane of above-mentioned F-PCB20, by with
The effect of magnet 60 produces the vertical vibration of vibrating body；
Spring 40, as vibrating body, middle thereof is in above-mentioned upward projection 11 and is incorporated into the plane of above-mentioned yoke 10,
The elasticity for being used for amplifying vibration is provided along the vertical direction；
Plate 50, as vibrating body, is incorporated into the top of above-mentioned spring 40, and inner rim is from above-mentioned upward projection 11 and above-mentioned
The neighboring of coil 30 is separated by and sets, and the flowing in the magnetic field of magnet 60 is concentrated, with the elastic reaction edge by above-mentioned spring 40
When above-below direction vibrates, shake along the vertical direction in the state of above-mentioned upward projection 11 and above-mentioned coil 30 in middle thereof
It is dynamic；
Magnet 60, as vibrating body, is incorporated into the upper plane of above-mentioned plate 50, inner rim from above-mentioned upward projection 11 and
The neighboring of above-mentioned coil 30 is separated by and sets, and magnetic field is produced by the effect with coil 30, to produce the upper linearly coupled of vibrating body,
With when the elastic reaction by above-mentioned spring 40 vibrates along the vertical direction, middle thereof in above-mentioned upward projection 11 and on
State and vibrate along the vertical direction in the state of coil 30；
Pouring weight 70, as vibrating body, is tied with the top of above-mentioned spring 40 and above-mentioned magnet 60 in the neighboring of above-mentioned plate 50
Close, in above-mentioned 40 up-down vibration of spring, above-mentioned magnet 60 and plate 50 is more firmly fixed on above-mentioned spring 40, pass through itself
Weight amplification vibration；
Yoke shell 80, is incorporated into the top edge of above-mentioned yoke 10 and is formed in the form of downwardly open lid,
To form outer cover when being combined with above-mentioned yoke 10, including bottom central part to lower part it is prominent formed be downwardly projected portion
81。
Utility model effect
The utility model can improve magnetic force and put together the magnetic force improved, so as to further improve vibrating motor
Vibration force.The production technology management of the utility model is easy, can reduce the combination fraction defective of produced product to greatest extent.
At the same time, the utility model can reduce the noise to tremble and by generation of trembling in vibration.
Brief description of the drawings
Fig. 1 is the linear up-down vibration motor for including magnetic field closed circuit and forming shell of the utility model first embodiment
Exploded perspective view；
Fig. 2 is the linear up-down vibration motor for including magnetic field closed circuit and forming shell of the utility model first embodiment
Combination sectional view；
Fig. 3 to Fig. 4 is linear the shaking up and down for including magnetic field closed circuit formation shell of the utility model first embodiment
The magnetic direction and electromagnetic field closed circuit action direction schematic diagram of the coil 30 of dynamic motor；
Fig. 5 to Fig. 6 is the straight of the neighboring for being downwardly projected portion 81 of the yoke shell 80 of the utility model first embodiment
Footpath forms example schematic diagram；
Fig. 7 to Fig. 8 is the combination example schematic diagram of the magnet of the utility model first embodiment；
Fig. 9 to Figure 10 is the up-down vibration principle schematic of the vibrating body of the utility model first embodiment；
Figure 11 is that the magnetic flux density of the utility model first embodiment measures image document schematic diagram；
Figure 12 is the combination sectional view for the structure for representing an existing vibrating motor；
Figure 13 is that the magnetic flux density of an existing vibrating motor of Figure 12 measures image document schematic diagram；
Figure 14 is the exemplary schematic diagram of combination for the damper D for representing the utility model first embodiment；
Figure 15 to Figure 17 is the exemplary schematic diagram of composition for the sub- yoke 90 for representing the utility model first embodiment；
Figure 18 to Figure 19 is that the magnetic field closed circuit that includes of the utility model second embodiment forms the linear upper and lower of shell
The combination sectional view of vibrating motor；
Figure 20 is the plan for the spring 40 for representing the utility model first embodiment.
* reference numeral *
10：Yoke
20：F-PCB
30：Coil
40：Spring
50：Plate
60：Magnet
70：Pouring weight
80：Yoke shell.
Embodiment
In the following, the utility model can carry out various modifications and there can be various embodiments, specific embodiment is illustrated in attached drawing
And it is described in detail.But be not that the utility model is limited to specific embodiment, and need to include and belong to the utility model
Thought and the having altered of technical scope, equipollent or even substitute.The purpose of the present embodiment is the skill for helping this area
Art personnel more fully understand the utility model.Therefore, have to preferably illustrate the shape of each key element shown in attached drawing
It may be represented by exaggeration, and during being illustrated to the utility model, if thinking to the specific of related disclosed technology
Illustrate to be an impediment to the understanding to the utility model, then by description is omitted.
In the following, it is described in detail with reference to preferred embodiment of the attached drawing to the utility model.
As shown in Figure 1 to Figure 2, the utility model of first embodiment is：
A kind of vibrating motor, including：
Yoke 10, it is combinative to possess F-PCB20, coil 30 and spring 40, including plane central portion dashes forward to top
The upward projection 11 gone out, and combined with yoke shell 80；
F-PCB20, a sidepiece run through above-mentioned upward projection 11 and are incorporated into the plane of above-mentioned yoke 10, will
External power supply is supplied to coil 30；
Coil 30, middle thereof is in above-mentioned upward projection 11 and is vertically integrated in the plane of above-mentioned F-PCB20, by with
The effect of magnet 60 produces the vertical vibration of vibrating body；
Spring 40, as vibrating body, middle thereof is in above-mentioned upward projection 11 and is incorporated into the plane of above-mentioned yoke 10,
The elasticity for being used for amplifying vibration is provided along the vertical direction；
Plate 50, as vibrating body, is incorporated into the top of above-mentioned spring 40, and inner rim is from above-mentioned upward projection 11 and above-mentioned
The neighboring of coil 30 is separated by and sets, and the flowing in the magnetic field of magnet 60 is concentrated, with the elastic reaction edge by above-mentioned spring 40
When above-below direction vibrates, shake along the vertical direction in the state of above-mentioned upward projection 11 and above-mentioned coil 30 in middle thereof
It is dynamic；
Magnet 60, as vibrating body, is incorporated into the upper plane of above-mentioned plate 50, inner rim from above-mentioned upward projection 11 and
The neighboring of above-mentioned coil 30 is separated by and sets, and magnetic field is produced by the effect with coil 30, to produce the upper linearly coupled of vibrating body,
With when the elastic reaction by above-mentioned spring 40 vibrates along the vertical direction, middle thereof in above-mentioned upward projection 11 and on
State and vibrate along the vertical direction in the state of coil 30；
Pouring weight 70, as vibrating body, is tied with the top of above-mentioned spring 40 and above-mentioned magnet 60 in the neighboring of above-mentioned plate 50
Close, in above-mentioned 40 up-down vibration of spring, above-mentioned magnet 60 and plate 50 is more firmly fixed on above-mentioned spring 40, pass through itself
Weight amplification vibration；
Yoke shell 80, is incorporated into the top edge of above-mentioned yoke 10 and is formed in the form of downwardly open lid,
To form outer cover when being combined with above-mentioned yoke 10, including bottom central part to lower part it is prominent formed be downwardly projected portion
81。
Above-mentioned yoke 10 is combinative to possess F-PCB20, coil 30 and spring 40, including plane central portion is to top
Prominent upward projection 11, and combined with yoke shell 80.
A sidepiece of above-mentioned F-PCB20 runs through above-mentioned upward projection 11 and is incorporated into the flat of above-mentioned yoke 10
Face, coil 30 is supplied to by external power supply.
Above-mentioned 30 middle thereof of coil is in above-mentioned upward projection 11 and is vertically integrated in the plane of above-mentioned F-PCB20, leads to
Cross the vertical vibration that the effect with magnet 60 produces vibrating body；
Above-mentioned spring 40 is used as vibrating body, and middle thereof is in above-mentioned upward projection 11 and is incorporated into the flat of above-mentioned yoke 10
Face, provides the elasticity for being used for amplifying vibration along the vertical direction.
Above-mentioned plate 50 is used as vibrating body, is incorporated into the top of above-mentioned spring 40, inner rim from above-mentioned upward projection 11 and
The neighboring of above-mentioned coil 30 is separated by and sets, and concentrates the flowing in the magnetic field of magnet 60, to make by the elasticity of above-mentioned spring 40
During with vibrating along the vertical direction, middle thereof in the state of above-mentioned upward projection 11 and above-mentioned coil 30 along the vertical direction
Vibration.
At this time, what above-mentioned plate 50 can be combined in the top of above-mentioned spring 40 or the lower part of above-mentioned spring 40 at least one sentences
On.
Therefore, by the way that the magnetic force in magnetic field is concentrated on the vibration force for improving vibrating body in center, the vibration for shortening vibrating body is opened
Begin time (Rising Time) and vibration dwell time (Falling Time).
Above-mentioned magnet 60 is used as vibrating body, is incorporated into the upper plane of above-mentioned plate 50, and inner rim is from above-mentioned upward projection
11 and the neighboring of above-mentioned coil 30 be separated by and set, magnetic field is produced by the effect with coil 30, to produce reaching the standard grade for vibrating body
Vibration, with when the elastic reaction by above-mentioned spring 40 vibrates along the vertical direction, in middle thereof in above-mentioned upward projection
11 and above-mentioned coil 30 in the state of vibrate along the vertical direction.
Above-mentioned pouring weight 70 is used as vibrating body, with the top of above-mentioned spring 40 and above-mentioned magnet 60 in the neighboring of above-mentioned plate 50
With reference to, in above-mentioned 40 up-down vibration of spring, above-mentioned magnet 60 and plate 50 is more firmly fixed on above-mentioned spring 40, by from
The weight amplification vibration of body.
Above-mentioned yoke shell 80 is incorporated into the top edge of above-mentioned yoke 10 and the shape in the form of downwardly open lid
Into, to form outer cover when being combined with above-mentioned yoke 10, including bottom central part to lower part it is prominent formed be downwardly projected
Portion 81.
As shown in Figure 3 to Figure 4, above-mentioned yoke 10 and above-mentioned yoke shell 80 are when be combineding with each other at this time, with above-mentioned
Upward projection 11 and above-mentioned formation magnetic field closed circuit centered on being downwardly projected portion 81.
Can be by magnetic field concentration in center it is therefore not necessary to which addition is Yoke-integrated.
As shown in figure 11, at this time the utility model include magnetic field closed circuit formed shell linear up-down vibration horse
Reach, by magnetic field concentration in center, and the electromagnetic field Force measured values acted on along the direction shown in Figure 11 are 0.12638N.
As shown in Figure 12 to Figure 13, Figure 12 is the combination sectional view for the structure for representing an existing vibrating motor, and Figure 13
Magnetic flux density for an existing vibrating motor of Figure 12 measures image document schematic diagram, at this time, shakes along existing the one of Figure 13
The electromagnetic field Force measured values of the above-below direction effect of dynamic motor are 0.037647N.
I.e. in the magnetic flux distribution measurement image document of the utility model of above-mentioned Figure 11, act on along the vertical direction
Electromagnetic field Force measured values can obtain the value of 0.12638N, and the magnetic flux of the existing vibrating motor in Figure 12 to Figure 13 is close
To spend in distribution measurement image data, the electromagnetic field Force measured values acted on along the vertical direction can obtain the value of 0.037647N, this
Show the vibrating motor than an existing structure, the electromagnetic field acted on along the vertical direction of the vibrating motor of the utility model
Force measured values are about three, four times, because with magnetic field concentration in center, it can be achieved that more powerful vibration force.
As shown in Fig. 7 to Fig. 8, at this time, above-mentioned magnet 60, as shown in fig. 7, may be configured as N poles is located at upside, S poles are located at
Downside, or as shown in figure 8, may be configured as N poles is located at downside, S poles are located at upside, can be from the direction of the pole up and down of magnet 60
Influence.
As shown in Figure 5 to Figure 6, at this time, in above-mentioned yoke shell 80, the diameter for being downwardly projected the neighboring in portion 81 is less than
The diameter of the neighboring of above-mentioned coil 30.
I.e. as shown in figure 5, being configured to be downwardly projected the diameter of the neighboring in portion 81 less than the neighboring of above-mentioned coil 30
Diameter, or as shown in fig. 6, the diameter for being configured to be downwardly projected the neighboring in portion 81 is straight equal to the neighboring of above-mentioned coil 30
Footpath.
At this time, above-mentioned upward projection 11 or the above-mentioned protuberance for being downwardly projected at least more than one in portion 81 can play magnetic
The effect of yoke.
Therefore, the flowing in magnetic field can be adjusted by the way that the above-mentioned diameter for being downwardly projected portion 81 is arranged to difference.
As shown in Fig. 2, at this time, between above-mentioned coil 30 and above-mentioned spring 40, above-mentioned plate 50, above-mentioned magnet 60, it can apply
Cloth magnetic fluid F.
Therefore, when stopping the vibration of vibrating body (plate 50, magnet 60, pouring weight 70), vibration is suppressed by the viscosity of fluid
Power, reduces noise, shortens the dwell time (Falling Time) of vibrating body, in above-mentioned coil 30 and above-mentioned plate 50, above-mentioned magnetic
Oil film is formed between iron 60, prevents the direct contact between above-mentioned coil 30 and vibrating body (plate 50, magnet 60, pouring weight 70).
As shown in figure 14, at this time, the plane in above-mentioned yoke 10, the plane of above-mentioned magnet 60, above-mentioned magnet 60
Bottom surface, the plane of above-mentioned pouring weight 70, the bottom surface of above-mentioned pouring weight 70, above-mentioned yoke shell 80 bottom surface at least one at more than can
With reference to damper D.
Therefore, when vibrating body (plate 50, magnet 60, pouring weight 70) vibrates, above-mentioned yoke 10, above-mentioned F- are prevented
Directly contacting between PCB20, above-mentioned spring 40, above-mentioned yoke shell 80 and vibrating body (plate 50, magnet 60, pouring weight 70), suppression
Damping power, limits the oscillating region of vibrating body.
As shown in figure 15, at this time, in above-mentioned upward projection 11 and above-mentioned it is downwardly projected between portion 81 and above-mentioned coil 30
Upper face, plate shaped conductive temper yoke 90 can be combined.
Therefore, magnetic force can be concentrated on to center, shorten vibration time started (Rising Time) and vibration dwell time
(FallingTime)。
As shown in figure 16, at this time, in above-mentioned upward projection 11 and above-mentioned it is downwardly projected between portion 81 and above-mentioned coil 30
Upper face, can combine to lower openingsThe conductive temper yoke 90 of shape.
At this time, above-mentioned upward projection 11 and it is above-mentioned be downwardly projected between portion 81 and the upper face of above-mentioned coil 30,
It can combine to upper openingThe conductive temper yoke 90 of shape.
Therefore, magnetic force can be concentrated on to center, shorten vibration time started (Rising Time) and vibration dwell time
(Falling Time)。
As shown in figure 17, at this time, in above-mentioned upward projection 11 and above-mentioned it is downwardly projected between portion 81 and above-mentioned coil 30
Upper face, can combine conductive toroidal sub- yoke 90.
Therefore, magnetic force can be concentrated on to center, shorten vibration time started (Rising Time) and vibration dwell time
(Falling Time)。
In addition, above-mentioned spring 40 is configured to get over the form gradually decreased to lower width from top, or it is more downward from top
The gradual increased form of portion's width, can be selected the coil spring in compression spring.
At this time, when being made of coil spring, as shown in figure 20, it is preferred that the width d1 of outside connecting portion and inner side
The width d2 of connecting portion is more than the width d3 of central connection.
Therefore, when spring and vibrating body together vibrate, inner side connecting portion and outside connecting portion are not damaged or are broken, can
Use spring for a long time without deformation.
Therefore, as shown in Fig. 9 to Figure 10, the utility model is according to the right-hand law of ampere, when making electric current edge in conducting wire
The right rotating direction flowing of bolt, then because the direction that magnetic field is advanced along bolt produces, so that because of AC signal current and magnetic field side
To change, gravitation, repulsion are produced with permanent magnet, so that up-down vibration occur.
Therefore, the utility model can improve magnetic force and put together the magnetic force improved, so as to improve vibrating motor
Vibration force.
As shown in Figure 18 to Figure 19, the utility model of second embodiment is：
A kind of vibrating motor, including：
Yoke 10, combinative possess F-PCB20 and coil 30, including plane central portion is to prominent upward in top
Protuberance 11, and combined with yoke shell 80；
F-PCB20, a sidepiece run through above-mentioned upward projection 11 and are incorporated into the plane of above-mentioned yoke 10, will
External power supply is supplied to coil 30；
Coil 30, middle thereof is in above-mentioned upward projection 11 and is vertically integrated in the plane of above-mentioned F-PCB20, by with
The effect of magnet 60 produces the vertical vibration of vibrating body；
Spring 40, is incorporated into the bottom surface of yoke shell 80, provides the elasticity for being used for amplifying vibration along the vertical direction；
Plate 50, as vibrating body, is incorporated into the lower part of above-mentioned spring 40, inner rim is outside from the neighboring of above-mentioned coil 30
Side is separated by and sets, and the flowing in the magnetic field of magnet 60 is concentrated, to be vibrated along the vertical direction in the elastic reaction by above-mentioned spring 40
When, vibrated along the vertical direction in the state of above-mentioned coil 30 in middle thereof；
Magnet 60, as vibrating body, is incorporated into the bottom face of above-mentioned plate 50, and inner rim is from the neighboring of above-mentioned coil 30
It is separated by laterally and sets, magnetic field is produced by the effect with coil 30, to produce the upper linearly coupled of vibrating body, with by above-mentioned
When the elastic reaction of spring 40 vibrates along the vertical direction, shake along the vertical direction in the state of above-mentioned coil 30 in middle thereof
It is dynamic；
Pouring weight 70, as vibrating body, is tied with the lower part of above-mentioned spring 40 and above-mentioned magnet 60 in the neighboring of above-mentioned plate 50
Close, in above-mentioned 40 up-down vibration of spring, above-mentioned magnet 60 and plate 50 is more firmly fixed on above-mentioned spring 40, pass through itself
Weight amplification vibration；
Yoke shell 80, is incorporated into the top edge of above-mentioned yoke 10 and is formed in the form of downwardly open lid,
To form outer cover when being combined with above-mentioned yoke 10, including bottom central part to lower part it is prominent formed be downwardly projected portion
81。
Above-mentioned yoke 10 is combinative to possess F-PCB20, coil 30, including plane central portion to top it is prominent to
Upper protuberance 11, and combined with yoke shell 80.
A sidepiece of above-mentioned F-PCB20 runs through above-mentioned upward projection 11 and is incorporated into the flat of above-mentioned yoke 10
Face, coil 30 is supplied to by external power supply.
Above-mentioned 30 middle thereof of coil is in above-mentioned upward projection 11 and is vertically integrated in the plane of above-mentioned F-PCB20, leads to
Cross the vertical vibration that the effect with magnet 60 produces vibrating body；
Above-mentioned spring 40 is incorporated into the bottom surface of yoke shell 80 as vibrating body, provides be used to amplify vibration along the vertical direction
Elasticity；
Above-mentioned plate 50 is used as vibrating body, is incorporated into the lower part of above-mentioned spring 40, and inner rim is from the neighboring of above-mentioned coil 30
Be separated by laterally and set, concentrate magnet 60 magnetic field flowing, with the elastic reaction by above-mentioned spring 40 along the vertical direction
During vibration, vibrated along the vertical direction in the state of above-mentioned coil 30 in middle thereof.
At this time, what above-mentioned plate 50 can be combined in the top of above-mentioned spring 40 or the lower part of above-mentioned spring 40 at least one sentences
On.
Therefore, by the way that the magnetic force in magnetic field is concentrated on the vibration force for improving vibrating body in center, the vibration for shortening vibrating body is opened
Begin time (Rising Time) and vibration dwell time (Falling Time).
Above-mentioned magnet 60 is used as vibrating body, is incorporated into the bottom face of above-mentioned plate 50, inner rim is outside above-mentioned coil 30
Periphery is separated by and sets laterally, magnetic field is produced by the effect with coil 30, to produce the upper linearly coupled of vibrating body, to pass through
When the elastic reaction of above-mentioned spring 40 vibrates along the vertical direction, middle thereof in the state of above-mentioned coil 30 along the vertical direction
Vibration.
Above-mentioned pouring weight 70 is used as vibrating body, with the lower part of above-mentioned spring 40 and above-mentioned magnet 60 in the neighboring of above-mentioned plate 50
With reference to, in above-mentioned 40 up-down vibration of spring, above-mentioned magnet 60 and plate 50 is more firmly fixed on above-mentioned spring 40, by from
The weight amplification vibration of body.
Above-mentioned yoke shell 80 is incorporated into the top edge of above-mentioned yoke 10 and the shape in the form of downwardly open lid
Into, to form outer cover when being combined with above-mentioned yoke 10, including bottom central part to lower part it is prominent formed be downwardly projected
Portion 81.
As shown in Figure 3 to Figure 4, above-mentioned yoke 10 and above-mentioned yoke shell 80 are when be combineding with each other at this time, with above-mentioned
Upward projection 11 and above-mentioned formation magnetic field closed circuit centered on being downwardly projected portion 81.
Can be by magnetic field concentration in center it is therefore not necessary to which addition is Yoke-integrated.
As shown in figure 11, at this time the utility model include magnetic field closed circuit formed shell linear up-down vibration horse
Reach, by magnetic field concentration in center, and the electromagnetic field Force measured values acted on along the direction shown in Figure 11 are 0.12638N.
As shown in Figure 12 to Figure 13, Figure 12 is the combination sectional view for the structure for representing an existing vibrating motor, and Figure 13
Magnetic flux density for an existing vibrating motor of Figure 12 measures image document schematic diagram, at this time, shakes along existing the one of Figure 13
The electromagnetic field Force measured values of the above-below direction effect of dynamic motor are 0.037647N.
I.e. in the magnetic flux distribution measurement image document of the utility model of above-mentioned Figure 11, act on along the vertical direction
Electromagnetic field Force measured values can obtain the value of 0.12638N, and the magnetic flux of the existing vibrating motor in Figure 12 to Figure 13 is close
To spend in distribution measurement image data, the electromagnetic field Force measured values acted on along the vertical direction can obtain the value of 0.037647N, this
Show the vibrating motor than an existing structure, the electromagnetic field acted on along the vertical direction of the vibrating motor of the utility model
Force measured values are about three, four times, because with magnetic field concentration in center, it can be achieved that more powerful vibration force.
At this time, above-mentioned magnet 60 may be configured as N poles and be located at upside, and S poles are located at downside, or may be configured as N poles and be located at downside,
S poles are located at upside, can be from the influence in the direction of the pole up and down of magnet 60.
At this time, in above-mentioned yoke shell 80, the diameter for being downwardly projected the neighboring in portion 81 is less than the outer of above-mentioned coil 30
The diameter on periphery.
It is configured to be downwardly projected diameter of the diameter less than the neighboring of above-mentioned coil 30 of the neighboring in portion 81, or forms
To be downwardly projected diameter of the diameter of the neighboring in portion 81 equal to the neighboring of above-mentioned coil 30.
At this time, above-mentioned upward projection 11 or the above-mentioned protuberance for being downwardly projected at least more than one in portion 81 can play magnetic
The effect of yoke.
Therefore, the flowing in magnetic field can be adjusted by the way that the above-mentioned diameter for being downwardly projected portion 81 is arranged to difference.
At this time, between above-mentioned coil 30 and above-mentioned spring 40, above-mentioned plate 50, above-mentioned magnet 60, magnetic fluid can be coated with
F。
Therefore, when stopping the vibration of vibrating body (plate 50, magnet 60, pouring weight 70), vibration is suppressed by the viscosity of fluid
Power, reduces noise, shortens the dwell time (Falling Time) of vibrating body, in above-mentioned coil 30 and above-mentioned plate 50, above-mentioned magnetic
Oil film is formed between iron 60, prevents the direct contact between above-mentioned coil 30 and vibrating body (plate 50, magnet 60, pouring weight 70).
At this time, the plane in above-mentioned yoke 10, the plane of above-mentioned magnet 60, the bottom surface, above-mentioned heavy of above-mentioned magnet 60
The plane of block 70, the bottom surface of above-mentioned pouring weight 70, above-mentioned yoke shell 80 bottom surface at least one at more than can combine damper
D。
Therefore, when vibrating body (plate 50, magnet 60, pouring weight 70) vibrates, above-mentioned yoke 10, above-mentioned F- are prevented
Directly contacting between PCB20, above-mentioned spring 40, above-mentioned yoke shell 80 and vibrating body (plate 50, magnet 60, pouring weight 70), suppression
Damping power, limits the oscillating region of vibrating body.
At this time, above-mentioned upward projection 11 and it is above-mentioned be downwardly projected between portion and the upper face of above-mentioned coil 30, can
With reference to plate shaped conductive temper yoke 90.
Therefore, magnetic force can be concentrated on to center, shorten vibration time started (Rising Time) and vibration dwell time
(Falling Time)。
At this time, above-mentioned upward projection 11 and it is above-mentioned be downwardly projected between portion and the upper face of above-mentioned coil 30, can
With reference to lower openingsThe conductive temper yoke 90 of shape.
At this time, above-mentioned upward projection 11 and it is above-mentioned be downwardly projected between portion and the upper face of above-mentioned coil 30, can
With reference to upper openingThe conductive temper yoke 90 of shape.
Therefore, magnetic force can be concentrated on to center, shorten vibration time started (Rising Time) and vibration dwell time
(Falling Time)。
At this time, above-mentioned upward projection 11 and it is above-mentioned be downwardly projected between portion and the upper face of above-mentioned coil 30, can
With reference to the sub- yoke 90 of conductive toroidal.
Therefore, magnetic force can be concentrated on to center, shorten vibration time started (Rising Time) and vibration dwell time
(Falling Time)。
In addition, above-mentioned spring 40 is configured to get over the form gradually decreased to lower width from top, or it is more downward from top
The gradual increased form of portion's width, can be selected the coil spring in compression spring.
At this time, when being made of coil spring, as shown in figure 20, it is preferred that the width d1 of outside connecting portion and inner side
The width d2 of connecting portion is more than the width d3 of central connection.
Therefore, when spring and vibrating body together vibrate, inner side connecting portion and outside connecting portion are not damaged or are broken, can
Use spring for a long time without deformation.
Therefore, the utility model is according to the right-hand law of ampere, when making electric current in conducting wire along the rotating direction of right bolt
Flowing, then because the direction that magnetic field is advanced along bolt produces, so that because AC signal current and magnetic direction change, with permanent magnet
Gravitation, repulsion are produced, so that up-down vibration occur.
Therefore, the utility model can improve magnetic force and put together the magnetic force improved, so as to improve vibrating motor
Vibration force.
Above-described embodiment only to illustrate the utility model and unrestricted, it will be understood by those of ordinary skill in the art that,
It can modify, deform or equivalent substitution to the utility model, without departing from the spirit and scope of the utility model, its is equal
It should cover among the right of the utility model.
Claims (3)
1. a kind of linear up-down vibration motor that shell is formed including magnetic field closed circuit, in vibrating motor, including：
Yoke (10), is combined with F-PCB (20), coil (30) and spring (40), including plane central portion is prominent to top
Upward projection (11), and with yoke shell (80) combine；
F-PCB (20), a sidepiece run through above-mentioned upward projection (11) and are incorporated into the plane of above-mentioned yoke (10), with
External power supply is supplied to coil (30)；
Coil (30), middle thereof is in above-mentioned upward projection (11) and is vertically integrated in the plane of above-mentioned F-PCB (20), passes through
Effect with magnet (60) produces the vertical vibration of vibrating body；
Spring (40), as vibrating body, middle thereof is in above-mentioned upward projection (11) and is incorporated into above-mentioned yoke (10)
Plane, along the vertical direction provide be used for amplify vibration elasticity；
Plate (50), as vibrating body, is incorporated into the top of above-mentioned spring (40), inner rim from above-mentioned upward projection (11) and on
The neighboring for stating coil (30) is separated by and sets, and the flowing in the magnetic field of magnet (60) is concentrated, with the bullet by above-mentioned spring (40)
Property effect when vibrating along the vertical direction, in middle thereof in the state of above-mentioned upward projection (11) and above-mentioned coil (30) edge
Above-below direction vibrates；
Magnet (60), as vibrating body, is incorporated into the upper plane of above-mentioned plate (50), and inner rim is from above-mentioned upward projection (11)
And the neighboring of above-mentioned coil (30) is separated by and sets, magnetic field is produced by the effect with coil (30), to produce the upper of vibrating body
Linearly coupled, when the elastic reaction by above-mentioned spring (40) vibrates along the vertical direction, to dash forward upwards in above-mentioned in middle thereof
Go out in the state of portion (11) and above-mentioned coil (30) and vibrate along the vertical direction；
Pouring weight (70), as vibrating body, with the top of above-mentioned spring (40) and above-mentioned magnet (60) in the periphery of above-mentioned plate (50)
Side combines, and in above-mentioned spring (40) up-down vibration, above-mentioned magnet (60) and plate (50) is more firmly fixed on above-mentioned spring
(40), vibration is amplified by the weight of itself；
Yoke shell (80), is incorporated into the top edge of above-mentioned yoke (10) and is formed in the form of downwardly open lid,
To form outer cover when being combined with above-mentioned yoke (10), including bottom central part to lower part it is prominent formed be downwardly projected portion
(81)；
Above-mentioned yoke (10) and above-mentioned yoke shell (80) are when be combineding with each other, with above-mentioned upward projection (11) and above-mentioned
It is downwardly projected centered on portion (81) and forms magnetic field closed circuit；
In above-mentioned yoke shell (80), the diameter for being downwardly projected the neighboring in portion (81) is straight less than the neighboring of above-mentioned coil
Footpath；
Above-mentioned upward projection (11) and it is above-mentioned be downwardly projected between portion (81) and the upper face of above-mentioned coil (30), with reference to
Possess from plate shaped, to lower openingsThe conductive temper yoke (90) of more than one the shape selected in shape,
And above-mentioned upward projection (11) and it is above-mentioned be downwardly projected between portion and the upper face of above-mentioned coil (30), with reference to annular
Sub- yoke (90).
2. the linear up-down vibration motor according to claim 1 that shell is formed including magnetic field closed circuit, its feature exist
In：Between above-mentioned coil (30) and above-mentioned spring (40), above-mentioned plate (50), above-mentioned magnet (60), magnetic fluid F is coated with.
3. the linear up-down vibration motor according to claim 1 that shell is formed including magnetic field closed circuit, its feature exist
In：Plane, the plane of above-mentioned magnet (60) in above-mentioned yoke (10), the bottom surface of above-mentioned magnet (60), above-mentioned pouring weight
(70) plane, the bottom surface of above-mentioned pouring weight (70), above-mentioned yoke shell (80) bottom surface at least one above in association with damping
Device D.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020170014772A KR101746007B1 (en) | 2017-02-02 | 2017-02-02 | Linear type vibration motor vibrated Verticality |
| KR10-2017-0014772 | 2017-02-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207339615U true CN207339615U (en) | 2018-05-08 |
Family
ID=59219680
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710508198.8A Active CN107294339B (en) | 2017-02-02 | 2017-06-28 | The linear up-down vibration motor of shell is formed including magnetic field closed circuit |
| CN201720765328.1U Withdrawn - After Issue CN207339615U (en) | 2017-02-02 | 2017-06-28 | The linear up-down vibration motor of shell is formed including magnetic field closed circuit |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710508198.8A Active CN107294339B (en) | 2017-02-02 | 2017-06-28 | The linear up-down vibration motor of shell is formed including magnetic field closed circuit |
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| Country | Link |
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| KR (1) | KR101746007B1 (en) |
| CN (2) | CN107294339B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107294339A (en) * | 2017-02-02 | 2017-10-24 | 天津富禄通信技术有限公司 | Include the linear up-down vibration motor of magnetic field closed circuit formation shell |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109236913A (en) * | 2017-07-10 | 2019-01-18 | 四川安和精密电子电器有限公司 | Noise reduction elastic slice, silencing spring and linear vibration motor |
| KR102026401B1 (en) | 2017-09-29 | 2019-09-27 | 자화전자(주) | Linear vibration generating device |
| KR102130441B1 (en) * | 2017-10-30 | 2020-07-07 | 주식회사 이엠텍 | Actuator having a elastic injection molded frame |
| KR102039568B1 (en) * | 2017-12-06 | 2019-11-01 | 주식회사 엠플러스 | A linear vibration motor comprising two or more kinds of elastic bodies |
| KR101907519B1 (en) * | 2018-02-21 | 2018-10-12 | 주식회사 블루콤 | SPICOM Composed of Linear Vibration Motor and Speaker |
| KR101907520B1 (en) * | 2018-04-30 | 2018-12-05 | 주식회사 블루콤 | Rectangular vertical vibration motor |
| KR102127981B1 (en) * | 2018-10-26 | 2020-06-29 | (주)파트론 | Vibration motor |
| KR102280172B1 (en) * | 2019-06-14 | 2021-07-21 | (주)파트론 | vibration generating device |
| KR102088873B1 (en) * | 2019-09-20 | 2020-03-13 | 자화전자(주) | Linear vibration generating device |
| KR102145495B1 (en) * | 2019-12-10 | 2020-08-18 | 에이유에스피코리아 주식회사 | Shortening direction horizontal vibrating motor |
| KR102144888B1 (en) * | 2020-03-24 | 2020-08-28 | 에이유에스피코리아 주식회사 | Linear vibration motor |
| CN112600380A (en) * | 2020-12-21 | 2021-04-02 | 天津富禄通信技术有限公司 | Stable vibration device |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010104864A (en) * | 2008-10-28 | 2010-05-13 | Sanyo Electric Co Ltd | Reciprocating vibration generator |
| CN103107670A (en) * | 2011-11-09 | 2013-05-15 | 株式会社永进高科 | Linear vibration device |
| WO2013137578A1 (en) * | 2012-03-16 | 2013-09-19 | 크레신 주식회사 | Linear oscillator |
| KR101339606B1 (en) * | 2012-06-22 | 2013-12-10 | 삼성전기주식회사 | Linear vibrator |
| US20130342034A1 (en) * | 2012-06-26 | 2013-12-26 | Samsung Electro-Mechanics Co., Ltd. | Linear vibrator |
| KR101746007B1 (en) * | 2017-02-02 | 2017-06-12 | 주식회사 블루콤 | Linear type vibration motor vibrated Verticality |
-
2017
- 2017-02-02 KR KR1020170014772A patent/KR101746007B1/en active IP Right Grant
- 2017-06-28 CN CN201710508198.8A patent/CN107294339B/en active Active
- 2017-06-28 CN CN201720765328.1U patent/CN207339615U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107294339A (en) * | 2017-02-02 | 2017-10-24 | 天津富禄通信技术有限公司 | Include the linear up-down vibration motor of magnetic field closed circuit formation shell |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107294339A (en) | 2017-10-24 |
| KR101746007B1 (en) | 2017-06-12 |
| CN107294339B (en) | 2018-11-06 |
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