CN106849590A - A kind of linear motor and electronic equipment - Google Patents
A kind of linear motor and electronic equipment Download PDFInfo
- Publication number
- CN106849590A CN106849590A CN201710069111.1A CN201710069111A CN106849590A CN 106849590 A CN106849590 A CN 106849590A CN 201710069111 A CN201710069111 A CN 201710069111A CN 106849590 A CN106849590 A CN 106849590A
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- China
- Prior art keywords
- coil
- casing
- magnet
- linear motor
- fixedly connected
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Classifications
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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
- H02K33/16—Motors with reciprocating, oscillating or vibrating magnet, armature or coil system with polarised armatures moving in alternate directions by reversal or energisation of a single coil system
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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
The present invention provides a kind of linear motor and electronic equipment, linear motor includes the first casing, second casing, coil, flexible PCB, elastomeric element and magnet, wherein the first casing is the cavity with an openend, second casing is located at openend and is fixedly connected with the first casing, coil, flexible PCB, elastomeric element and magnet are contained in cavity, wherein magnet passes through elastomeric element and the first casing elastic connection, coil is fixedly connected with the second casing, flexible PCB is electrically connected with coil, and controllable magnet vibrations, flexible PCB is fixedly connected with the second casing or is fixedly connected with coil.Due to coil being maintained static, by magnet and the first casing elastic connection, so as to produce vibration, therefore solve due to there is relative displacement between coil and flexible PCB, so as to the end of a thread solder joint fracture for causing coil to be connected with flexible PCB, the problem of the service life of motor is influenceed.
Description
Technical field
The present invention relates to motor manufacturing technology field, more particularly to a kind of linear motor and electronic equipment.
Background technology
With the development of the communication technology, portable electric appts, such as mobile phone, handheld device enter the life of people
It is living.In these portable electric appts, system feedback can be typically made of vibrating motor, such as incoming call prompt of mobile phone,
Vibrational feedback of game machine etc..Due to Z-direction linear motor simple structure, few amount of parts, production easy to automate, shake
The advantage such as sense is fine and smooth, noise is small, seismaesthesia is strong and the response time is fast is extensively using in the electronic device.Existing Z-direction linear motor
Coil, flexible PCB, elastomeric element and magnet are generally included, its coil is connected with elastomeric element, magnet is fixed to form fixed
Son, flexible PCB is electrically connected with coil, by current control so that coil produces the magnetic field of change, the magnetic field of the change and magnetic
Body coordinates generation vibration.Due to coil vibration so that relative displacement occurs, so as to cause coil between coil and flexible PCB
The end of a thread solder joint fracture being connected with flexible PCB, influences the service life of motor.
The content of the invention
The embodiment of the present invention provides a kind of linear motor and electronic equipment, to solve to be connected with flexible PCB due to coil
The end of a thread solder joint be easily broken off, influence motor service life problem.
It is in a first aspect, the embodiment of the invention provides a kind of linear motor including the first casing, the second casing, coil, soft
Property circuit board, elastomeric element and magnet, wherein first casing is the cavity with an openend, second casing is located at
The openend and it is fixedly connected with first casing, the coil, flexible PCB, elastomeric element and magnet are contained in institute
State in cavity, wherein the magnet is by the elastomeric element and the first casing elastic connection, the coil and described
Two casings are fixedly connected, and the flexible PCB is electrically connected with the coil, and the controllable magnet vibrations, the flexible electrical
Road plate is fixedly connected with second casing or is fixedly connected with the coil.
Second aspect, the embodiment of the present invention additionally provides a kind of electronic equipment, including linear motor, and linear motor includes the
One casing, the second casing, coil, flexible PCB, elastomeric element and magnet, wherein first casing is with an openend
Cavity, second casing is located at and the openend and is fixedly connected with first casing, the coil, flexible circuit
Plate, elastomeric element and magnet are contained in the cavity, wherein the magnet passes through the elastomeric element and first casing
Elastic connection, the coil is fixedly connected with second casing, and the flexible PCB is electrically connected with the coil, and controllable
The magnet vibrations are made, the flexible PCB is fixedly connected with second casing or is fixedly connected with the coil.
So, in the embodiment of the present invention, the first casing is the cavity with an openend, the second casing be located at openend and
It is fixedly connected with first casing, coil, flexible PCB, elastomeric element and magnet are contained in the cavity, wherein magnetic
Body is by the elastomeric element and the first casing elastic connection, and the coil is fixedly connected with second casing, described
Flexible PCB is electrically connected with the coil, and the controllable magnet vibrations, the flexible PCB and second casing
It is fixedly connected or is fixedly connected with the coil.Due to coil being maintained static, by magnet and the first casing elastic connection,
So as to produce vibration, therefore solve due to there is relative displacement between coil and flexible PCB, so as to cause coil with it is soft
Property circuit board connection the end of a thread solder joint fracture, influence motor service life problem.
Brief description of the drawings
Technical scheme in order to illustrate more clearly the embodiments of the present invention, below will be to needed for embodiment of the present invention description
The accompanying drawing to be used is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention,
For those of ordinary skill in the art, without having to pay creative labor, can also be obtained according to these accompanying drawings
Take other accompanying drawings.
Fig. 1 is the detonation configuration figure of the linear motor that first embodiment of the invention is provided；
Fig. 2 is the sectional structure chart of the linear motor that first embodiment of the invention is provided；
The structure chart of the electronic equipment that Fig. 3 is provided for second embodiment of the invention.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is a part of embodiment of the invention, rather than whole embodiments.Based on this hair
Embodiment in bright, the acquired every other implementation under the premise of creative work is not made of those of ordinary skill in the art
Example, belongs to the scope of protection of the invention.
First embodiment
Referring to Figures 1 and 2, the invention provides a kind of linear motor, the linear motor includes the first casing 101, second
Casing 102, coil 103, flexible PCB 104, elastomeric element 105 and magnet 106, wherein first casing 101 be with
The cavity of one openend, second casing 102 is located at the openend and is fixedly connected with first casing 101, described
Coil 103, flexible PCB 104, elastomeric element 105 and magnet 106 are contained in the cavity, wherein the magnet 106 is logical
The elastomeric element 105 and the elastic connection of the first casing 101 are crossed, the coil 103 is fixed with second casing 102 and connected
Connect, the flexible PCB 104 is electrically connected with the coil 103, and the controllable magnet 106 shakes, the flexible circuit
Plate 104 is fixedly connected with second casing 102 or is fixedly connected with the coil 103.
In the embodiment of the present invention, flexible PCB 104 can export alternating current to coil 103 by periodic, from
And cause that coil 103 produces the magnetic field of change；Magnet 106 can be promoted to move up and down by the magnetic field of the change, so as to produce
Vibrations.
Further, prevent flexible PCB 104 from movement is produced during magnet 106 shakes as a example by, it is above-mentioned
Flexible PCB 104 can be fixed on the second casing 102, it is also possible to be fixed on coil 103.Above-mentioned magnet 106 be with
The part of magnetic, for example, can be permanent magnet.
Specifically, the shape of the casing 102 of above-mentioned first casing 101 and second can be configured according to actual needs, example
Such as, above-mentioned first casing 101 is set in cylinder, and the end face of wherein one end caves inward to be formed for housing coil 103, soft
Property circuit board 104, the host cavity of elastomeric element 105 and magnet 106 and openend.
So, in the embodiment of the present invention, the first casing 101 is the cavity with an openend, and the second casing 102 is located to be opened
Mouthful end and it is fixedly connected with first casing 101, coil 103, flexible PCB 104, elastomeric element 105 and magnet 106 are received
It is dissolved in the cavity, wherein magnet 106 is by the elastomeric element 105 and the elastic connection of the first casing 101, the line
Circle 103 is fixedly connected with second casing 102, and the flexible PCB 104 is electrically connected with the coil 103, and be can control
The magnet 106 shakes.Due to coil 103 being maintained static, by the elastic connection of 106 and first casing of magnet 101, so as to produce
Raw vibration, therefore solve due to there is relative displacement between coil 103 and flexible PCB 104, so as to cause coil 103 with
The end of a thread solder joint fracture of the connection of flexible PCB 104, influences the problem of the service life of motor.
Further, the structure of above-mentioned elastomeric element 105 can be configured according to actual needs, for example, in this implementation
In example, above-mentioned elastomeric element 105 is ring spring, and the outside of the ring spring is fixing end, the middle part of the ring spring
It is free end.
In the present embodiment, the fixing end of above-mentioned elastomeric element 105 is fixedly connected with the inwall of first casing 101, institute
Free end is stated to be fixedly connected with the magnet 106.
Specifically, the periphery of above-mentioned ring spring is fixedly connected with the inwall of the first casing 101, for example, can set spacing
The modes such as groove, limited step set fixed bit, are fixed by modes such as clamping or bondings.In the outer thoughtful of ring spring
Multiple hollow holes for setting in the shape of a spiral are provided between middle part, so that middle part has elasticity.The free end of ring spring can
Directly or indirectly to be fixed with magnet 106, so that magnet can be moved in the range of the elastic telescopic of spring.
It is understood that in other embodiments, above-mentioned elastomeric element may be arranged as other elastic connection structures,
Such as shell fragment etc., as long as can realize that magnet 106 is mobile in the range of the elastic telescopic of elastomeric element.
Optionally, in order to reach more preferable vibrating effect, in the present embodiment, in flexible PCB 104 not to coil 103
During input alternating current, there is magnet 106 certain weight to overcome the elastic acting force of elastomeric element 105 so that elastomeric element
105 there is elastic deformation, in elastic stretch state.If now coil 103 produces magnetic field, it will so that magnet 106 occurs position
Move, change the position of magnet 106.Due to that after the elastic acting force that need not overcome a certain size, could cause that magnet 106 is moved
It is dynamic, therefore improve the flexibility of shake control.
It should be understood that in the present embodiment, the weight of magnet 106 needs to reach to a certain degree, as illustrated, when magnet 106
When weight is smaller, mass 107 can be increased so that elastomeric element 105 occurs elastic deformation.Specifically, linear horse described above
Up to that can also include mass 107, the mass 107 is fixedly connected with the free end.
Specifically, the material of above-mentioned mass 107 can be according to actual needs configured with shape, for example,
In the present embodiment, above-mentioned mass 107 is loop configuration, and the inner ring of the mass 107 sets near one end of the free end
There is ring-shaped step；The magnet 106 is located in the inner ring of the mass 107, and is fixedly connected with the ring-shaped step.
In the present embodiment, above-mentioned mass 107 sets ring-shaped step, and magnet 106 can be adhesively fixed in limited step
On, mass 107 is directly adhesively fixed in the free end of ring spring, so as to realize the indirect fixation of ring spring.In addition magnetic
Then body 106 directly through the inner ring of mass 107 can also be adhesively fixed and is connected with the free end of ring spring.
It is understood that the shape of above-mentioned magnet 106 can be configured according to actual needs.Because magnet 106 sets
The shape put is different, corresponding to could be arranged to various situations with coil 103 position relationship.This is carried out specifically below
It is bright.
Optionally, in the first scheme：The coil 103 is loop configuration, and the magnet 106 is column construction, institute
The part of magnet 106 is stated to be placed in the inner ring of the coil 103.
In the present embodiment, the part of magnet 106 is placed in the inner ring of coil 103, the institute of coil 103 is increased such that it is able to appropriate
The magnetic induction line of generation passes through the quantity of magnet 106, so as to increased the magnetic force between magnet 106 and coil 103, Jin Erke
To lift vibrating effect.Specifically, having in the present embodiment, between the outer wall of magnet 106 and the inwall of the inner ring of coil 103 certain
Gap, thereby may be ensured that the free oscillation of magnet 106.It is placed in coil 103 due to magnet 106 is set into part, from
And the volume that the first casing 101 is internally formed host cavity can be effectively reduced, and then reduce the volume of linear motor.In other realities
Apply in example, above-mentioned magnet 106 can also be without being placed in the inner ring of coil 103.
Optionally, in second scheme：The coil 103 is loop configuration, and the magnet 106 is loop configuration, institute
State that the part of magnet 106 is placed in the inner ring of the coil 103 or the part of the coil 103 is placed in the magnet 106
In inner ring.
In the present embodiment, the part of magnet 106 is placed in the inner ring of coil 103, the institute of coil 103 is increased such that it is able to appropriate
The magnetic induction line of generation passes through the quantity of magnet 106, so as to increased the magnetic force between magnet 106 and coil 103, Jin Erke
To lift vibrating effect.Specifically, having in the present embodiment, between the outer wall of magnet 106 and the inwall of the inner ring of coil 103 certain
Gap, thereby may be ensured that the free oscillation of magnet 106.
Exception, the part of coil 103 is placed in the inner ring of magnet 106, so that the generation of coil 103 is all
Magnetic induction line passes through magnet 106, so as to increased the magnetic force between magnet 106 and coil 103, and then can lift vibrations effect
Really.Specifically, in the present embodiment, there is certain interval, so that can between the outer wall of coil 103 and the inwall of the inner ring of magnet 106
To ensure the free oscillation of magnet 106.
It is eligible in order to ensure that magnet 106 can steadily shake up and down in the present embodiment, above-mentioned coil 103 and magnet
106 axis overlaps.
Further, above-mentioned second casing 102 coordinates with the openend, seals the opening that the openend is formed.This
In embodiment, the second casing 102 can form closed host cavity with the first casing 101, coil 103, flexible PCB 104,
Elastomeric element 105 and magnet 106 are respectively positioned in host cavity, and flexible PCB 104 can partly extend to outside and external control
Chip is connected, and the electric current of coil 103 is exported by external control chip input control signal control flexible PCB 104.
Second embodiment
Fig. 3 is referred to, Fig. 3 is the structure chart of the electronic equipment that the present invention implements offer.
As shown in figure 3, electronic equipment 300 include radio frequency (Radio Frequency, RF) circuit 1010, memory 320,
Input block 330, display unit 340, processor 350, voicefrequency circuit 360, communication module 370, power supply 380 and linear motor
390.Wherein,
Linear motor 390 includes the first casing, the second casing, coil, flexible PCB, elastomeric element and magnet, wherein
First casing is the cavity with an openend, and second casing is located at the openend and consolidates with first casing
Fixed connection, the coil, flexible PCB, elastomeric element and magnet are contained in the cavity, wherein the magnet passes through institute
Elastomeric element and the first casing elastic connection are stated, the coil is fixedly connected with second casing, the flexible circuit
Plate is electrically connected with the coil, and the controllable magnet vibrations, and the flexible PCB is fixedly connected with second casing
Or be fixedly connected with the coil.
Optionally, the elastomeric element is ring spring, and the outside of the ring spring is fixing end, the ring spring
Middle part be free end.
Optionally, the fixing end is fixedly connected with the inwall of first casing, and the free end is solid with the magnet
Fixed connection.
Optionally, the linear motor also includes mass, and the mass is fixedly connected with the free end.
Optionally, the mass is loop configuration, and the inner ring of the mass is provided near one end of the free end
Ring-shaped step；The magnet is located in the inner ring of the mass, and is fixedly connected with the ring-shaped step.
Optionally, the coil is loop configuration, and the magnet is column construction, and the magnet part is placed in the line
In the inner ring of circle.
Optionally, the coil is loop configuration, and the magnet is loop configuration, and the magnet part is placed in the line
In the inner ring of circle or the coiler part is placed in the inner ring of the magnet.
Optionally, second casing coordinates with the openend, seals the opening that the openend is formed.
So, in the embodiment of the present invention, the first casing is the cavity with an openend, the second casing be located at openend and
It is fixedly connected with first casing, coil, flexible PCB, elastomeric element and magnet are contained in the cavity, wherein magnetic
Body is by the elastomeric element and the first casing elastic connection, and the coil is fixedly connected with second casing, described
Flexible PCB is electrically connected with the coil, and the controllable magnet vibrations, the flexible PCB and second casing
It is fixedly connected or is fixedly connected with the coil.Due to coil being maintained static, by magnet and the first casing elastic connection,
So as to produce vibration, therefore solve due to there is relative displacement between coil and flexible PCB, so as to cause coil with it is soft
Property circuit board connection the end of a thread solder joint fracture, influence motor service life problem.
Wherein, input block 330 can be used to receive the numeral or character information of user input, and produce and electronic equipment
300 user is set and the relevant signal input of function control.Specifically, in the embodiment of the present invention, the input block 330 can
With including contact panel 331.Contact panel 331, also referred to as touch-screen, can collect user thereon or neighbouring touch operation
(such as user uses the operations of any suitable object or annex on contact panel 331 such as finger, stylus), and according to advance
The formula of setting drives corresponding attachment means.Optionally, contact panel 331 may include touch detecting apparatus and touch controller
Two parts.Wherein, touch detecting apparatus detect the touch orientation of user, and detect the signal that touch operation brings, by signal
Send touch controller to；Touch controller receives touch information from touch detecting apparatus, and is converted into contact coordinate,
Give the processor 350 again, and the order sent of receiving processor 350 and can be performed.Furthermore, it is possible to using resistance-type,
The polytypes such as condenser type, infrared ray and surface acoustic wave realize contact panel 331.Except contact panel 331, input block
330 can also include other input equipments 332, and other input equipments 332 can include but is not limited to physical keyboard, function key
One or more in (such as volume control button, switch key etc.), trace ball, mouse, action bars etc..
Wherein, display unit 340 can be used for display by the information of user input or be supplied to the information and electronics of user
The various menu interfaces of equipment 300.Display unit 340 may include display panel 341, optionally, can use LCD or organic hairs
The forms such as optical diode (Organic Light-Emitting Diode, OLED) configure display panel 341.
It should be noted that contact panel 331 can cover display panel 341, touch display screen is formed, when touch display screen inspection
Measure thereon or after neighbouring touch operation, processor 350 is sent to determine the type of touch event, with preprocessor
350 provide corresponding visual output according to the type of touch event in touch display screen.
Touch display screen includes Application Program Interface viewing area and conventional control viewing area.The Application Program Interface viewing area
And the arrangement mode of the conventional control viewing area is not limited, can be arranged above and below, left-right situs etc. can distinguish two and show
Show the arrangement mode in area.The Application Program Interface viewing area is displayed for the interface of application program.Each interface can be with
The interface element such as the icon comprising at least one application program and/or widget desktop controls.The Application Program Interface viewing area
It can also be the empty interface not comprising any content.The conventional control viewing area be used for show utilization rate control higher, for example,
Application icons such as settings button, interface numbering, scroll bar, phone directory icon etc..
Wherein processor 350 is the control centre of electronic equipment 300, using various interfaces and connection whole mobile phone
Various pieces, by running or performing software program and/or module of the storage in first memory 321, and call storage
Data in second memory 322, perform the various functions and processing data of electronic equipment 300, so as to electronic equipment 300
Carry out integral monitoring.Optionally, processor 350 may include one or more processing units.
Electronic equipment can include：Mobile phone, panel computer, handheld device, pocket computer on knee and Intelligent bracelet
In at least one.
More than, specific embodiment only of the invention, but protection scope of the present invention is not limited thereto, and it is any to be familiar with
Those skilled in the art the invention discloses technical scope in, change or replacement can be readily occurred in, should all cover
Within protection scope of the present invention.Therefore, protection scope of the present invention should be defined by scope of the claims.
Claims (10)
1. a kind of linear motor, it is characterised in that including the first casing, the second casing, coil, flexible PCB, elastomeric element
And magnet, wherein first casing is the cavity with an openend, second casing be located at the openend and with institute
State the first casing to be fixedly connected, the coil, flexible PCB, elastomeric element and magnet are contained in the cavity, wherein institute
Magnet is stated by the elastomeric element and the first casing elastic connection, the coil is fixedly connected with second casing,
The flexible PCB is electrically connected with the coil, and the controllable magnet vibrations, the flexible PCB and described second
Casing is fixedly connected or is fixedly connected with the coil.
2. linear motor according to claim 1, it is characterised in that the elastomeric element is ring spring, the annular
The outside of spring is fixing end, and the middle part of the ring spring is free end.
3. linear motor according to claim 2, it is characterised in that the fixing end is consolidated with the inwall of first casing
Fixed connection, the free end is fixedly connected with the magnet.
4. linear motor according to claim 2, it is characterised in that the linear motor also includes mass, the matter
Gauge block is fixedly connected with the free end.
5. linear motor according to claim 4, it is characterised in that the mass is loop configuration, the mass
Inner ring be provided with ring-shaped step near one end of the free end；The magnet be located at the mass inner ring in, and with institute
Ring-shaped step is stated to be fixedly connected.
6. linear motor according to any one of claim 1 to 5, it is characterised in that the coil is loop configuration, institute
Magnet is stated for column construction, the magnet part is placed in the inner ring of the coil.
7. linear motor according to any one of claim 1 to 5, it is characterised in that the coil is loop configuration, institute
Magnet is stated for loop configuration, the magnet part is placed in the inner ring of the coil or the coiler part be placed in it is described
In the inner ring of magnet.
8. linear motor according to any one of claim 1 to 5, it is characterised in that second casing is opened with described
Mouth end coordinates, and seals the opening that the openend is formed.
9. a kind of electronic equipment, it is characterised in that including the linear motor as any one of claim 1 to 8.
10. electronic equipment according to claim 9, it is characterised in that the electronic equipment include mobile phone, panel computer,
At least one in handheld device, pocket computer on knee and Intelligent bracelet.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710069111.1A CN106849590A (en) | 2017-02-08 | 2017-02-08 | A kind of linear motor and electronic equipment |
| PCT/CN2017/119716 WO2018145530A1 (en) | 2017-02-08 | 2017-12-29 | Linear motor and electronic device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710069111.1A CN106849590A (en) | 2017-02-08 | 2017-02-08 | A kind of linear motor and electronic equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106849590A true CN106849590A (en) | 2017-06-13 |
Family
ID=59122236
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710069111.1A Pending CN106849590A (en) | 2017-02-08 | 2017-02-08 | A kind of linear motor and electronic equipment |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN106849590A (en) |
| WO (1) | WO2018145530A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018145530A1 (en) * | 2017-02-08 | 2018-08-16 | 维沃移动通信有限公司 | Linear motor and electronic device |
| WO2019029053A1 (en) * | 2017-08-11 | 2019-02-14 | 歌尔股份有限公司 | Linear vibration motor |
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- 2017-12-29 WO PCT/CN2017/119716 patent/WO2018145530A1/en active Application Filing
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2018145530A1 (en) * | 2017-02-08 | 2018-08-16 | 维沃移动通信有限公司 | Linear motor and electronic device |
| WO2019029053A1 (en) * | 2017-08-11 | 2019-02-14 | 歌尔股份有限公司 | Linear vibration motor |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2018145530A1 (en) | 2018-08-16 |
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