CN206341113U - Linear vibration electric motor - Google Patents
Linear vibration electric motor Download PDFInfo
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- CN206341113U CN206341113U CN201621166409.1U CN201621166409U CN206341113U CN 206341113 U CN206341113 U CN 206341113U CN 201621166409 U CN201621166409 U CN 201621166409U CN 206341113 U CN206341113 U CN 206341113U
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- hot
- wire coil
- cover plate
- electric motor
- circuit board
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Abstract
The application is related to linear vibration electric motor.The linear vibration electric motor includes shell, covers the cover plate to form host cavity, and fixation kit, vibration component and the Flexible Connector being contained in the host cavity with the shell；The Flexible Connector is connected with the vibration component and the vibration component is suspended in the host cavity；The fixation kit includes hot-wire coil and the circuit board electrically connected with the hot-wire coil；The vibration component includes magnetic steel component；The hot-wire coil is arranged on the circuit board, and the circuit board is fixed on the cover plate；The hot-wire coil is insulated by the circuit board and the cover plate.Hot-wire coil of the present utility model is insulated by circuit board and cover plate, reduces the risk due to being short-circuited between hot-wire coil and cover plate.
Description
Technical field
The application is related to technical field of motors, more particularly to a kind of linear vibration electric motor.
Background technology
Linear vibration electric motor is included in the parts such as cover plate, coil, correlation technique, and coil is fixed on the cover board, coil
Directly contacted with cover plate.But, when the insulating barrier on coil is damaged, breakage is easily caused coil and lid after being contacted with cover plate
Plate short circuit.
It is, therefore, desirable to provide a kind of improved plan solves drawbacks described above.
Utility model content
The embodiment of the present application provides a kind of linear vibration electric motor, can improve drawbacks described above.
The cover plate to form host cavity is covered this application provides a kind of linear vibration electric motor, including shell and the shell,
And it is contained in fixation kit, vibration component and Flexible Connector in the host cavity；The Flexible Connector with it is described
Vibration component connects and the vibration component is suspended in the host cavity；The fixation kit include hot-wire coil and with
The circuit board of the hot-wire coil electrical connection；The vibration component includes magnetic steel component；The hot-wire coil is arranged on the electricity
On the plate of road, and the circuit board is fixed on the cover plate；The hot-wire coil is insulated by the circuit board and the cover plate.
Preferably, the side contacted on the circuit board with the hot-wire coil is provided with insulating barrier；The hot-wire coil
Insulated by the insulating barrier and the cover plate.
Preferably, the linear vibration electric motor also includes the insulation back-up coat for connecting the cover plate and the hot-wire coil,
And the insulation back-up coat insulate with the cover plate and the hot-wire coil respectively.
Preferably, the position of the neighbouring hot-wire coil offers through hole on the circuit board；The deck portion is exposed
In in the through hole；The insulation back-up coat is filled in the through hole, and is fixedly connected the cover plate and the hot-wire coil.
Preferably, the insulation back-up coat is layers of two-sided, polyimide resin layer, epoxy resin layer or polybutadiene olefin(e) acid
Resin bed.
Preferably, the circuit board include limited impression, the hot-wire coil be located at the limited impression in and with it is described
The inwall of limited impression against.
Preferably, the linear vibration electric motor also includes insulating part；The insulating part is located at the shell and is powered with described
Between coil, and it is connected with the shell and hot-wire coil insulation.
Preferably, the insulating part is electro-insulating rubber pad.
Preferably, the vibration component also includes mass；The Flexible Connector clamps the mass so that described
Vibration component is suspended；Mounting hole is offered on the mass；
The magnetic steel component includes being installed in the mounting hole and being spaced along the direction of vibration of the vibration component
The first magnet steel and the second magnet steel set；
The hot-wire coil is located in the mounting hole and is arranged between first magnet steel and second magnet steel, and
The end face of the hot-wire coil is perpendicular to the direction of vibration.
Preferably, the hot-wire coil is cyclic structure, and the middle part of the hot-wire coil has receiving hole；The fixation
Component also includes the magnetic conductor being inserted in the receiving hole.
The technical scheme that the application is provided can reach following beneficial effect：By the way that hot-wire coil is arranged on into circuit board
On, hot-wire coil is insulated by the insulating barrier on circuit board and cover plate, reduce because the insulating barrier of hot-wire coil is damaged
Caused by the risk that is short-circuited between cover plate.
It should be appreciated that the general description of the above and detailed description hereinafter are only exemplary, this can not be limited
Application.
Brief description of the drawings
The connection diagram of hot-wire coil, cover plate and circuit board that Fig. 1 provides for the embodiment of the present application；
The stereogram for the circuit board that Fig. 2 provides for the embodiment of the present application；
The isometric exploded view for the linear vibration electric motor that Fig. 3 provides for the embodiment of the present application；
The schematic diagram of the part-structure for the linear vibration electric motor that Fig. 4 provides for the embodiment of the present application.
Accompanying drawing herein is merged in specification and constitutes the part of this specification, shows the implementation for meeting the application
Example, and be used to together with specification to explain the principle of the application.
Embodiment
The application is described in further detail below by specific embodiment and with reference to accompanying drawing.
As Figure 1-4, the embodiment of the present application provides a kind of linear vibration electric motor, and the linear vibration electric motor includes cover plate
1 and shell 4, shell 4 covers to form host cavity with cover plate 1.Linear vibration electric motor also includes the fixation group being contained in host cavity
Part, vibration component and Flexible Connector 5.
Fixation kit is the fixed part of linear vibration electric motor.In the present embodiment, the fixation kit generally includes logical
Electric coil 2, circuit board 3 and magnetic conductor 8.Wherein, circuit board 3 is fixedly connected on cover plate 1.Hot-wire coil 2 by enamel-covered wire around
System is formed, and its middle part has receiving hole (non-label), and magnetic conductor 8 is arranged in the receiving hole of hot-wire coil 2.On hot-wire coil 2
Two lead-out wires (non-label) electrically connected with circuit board 3, so as to realize the transmission of electric signal.
Vibration component is the oscillator part of linear vibration electric motor.In the present embodiment, the vibration component generally includes matter
Gauge block 6 and magnetic steel component 7.Wherein, magnetic steel component 7 is arranged on mass 6, and is led between magnetic steel component 7 and hot-wire coil 2
Cross electromagnetic induction and produce Ampere force, the Ampere force can drive vibration component vibration, and (direction of vibration of vibration component is in Fig. 4
X-direction).
Flexible Connector 5 and vibration component elastic connection, for vibration component to be suspended in host cavity.
Further as shown in figure 1, hot-wire coil 2 is arranged on circuit board 3, and circuit board 3 is fixed on cover plate 1, thus
The hot-wire coil 2 is realized the insulation between cover plate 1 by circuit board 3, reduce due to hot-wire coil 2 it is damaged caused by with
The risk that cover plate 1 is short-circuited.Specifically, in the present embodiment, the side contacted on the circuit board 3 with hot-wire coil 2 is set
There is insulating barrier (not shown), hot-wire coil 2 is insulated by the insulating barrier with cover plate 1.
Wherein, the insulating barrier in circuit board 3 can use different set-up modes.For example, can circuit board 3 plate face
One layer of insulated paint of upper coating, the insulated paint coat may act as insulating barrier in circuit board 3.
In the embodiment shown in Figure 2, the preferred FPC of circuit board 3 (Flexible Printed Circuit, flexible circuit
Plate), insulating barrier is the insulating medium layer on FPC, and insulating medium layer can be PI (polyimide resin) layers or PPO
(diphenylene ether resin) layer.Also, can also have a variety of for the material for forming insulating medium layer, for example, polyester, polyamides are sub-
Amine, polytetrafluoroethylene (PTFE), soft epoxy-glass cloth etc..
In the above-described embodiment, flexible PCB serves not only as the carrier of electronic device, also has isolation live wire concurrently
Circle 2 and cover plate 1 are to realize the function that insulate between the two, therefore, compared to coated on circuit board 3 insulated paint coat this
It is more simple, conveniently using FPC this scheme for scheme.Further, since flexible PCB is tabular, therefore flexible electrical
The both sides of road plate can fully be contacted with hot-wire coil 2 and cover plate 1 respectively, and then ensure to insulate between hot-wire coil 2 and cover plate 1
Reliability, reducing when apply on circuit boards insulating layer coating because coat it is uneven cause can between hot-wire coil 2 and cover plate 1
The risk of energy short circuit.
Further, there is insulating barrier in the both sides plate face of flexible PCB, therefore, one side hot-wire coil 2 can be with circuit
Insulated between plate 3, insulate, thus can make exhausted between hot-wire coil 2 and cover plate 1 between another aspect circuit board 3 and cover plate 1
Edge effect is further strengthened.
In the present embodiment, linear vibration electric motor further preferably includes the insulation back-up coat of connecting cover plate 1 and hot-wire coil 2
(not shown).On the one hand hot-wire coil 2 can be securely fixed in by the insulation back-up coat on cover plate 1, the opposing party
Face can be such that the insulation effect between hot-wire coil 2 and cover plate 1 further improves.
In the embodiment shown in Fig. 1-2, through hole 31 is preferably offered on circuit board 3.The through hole 31 is arranged on electricity
On road plate 3 at the position of neighbouring hot-wire coil 2.Cover plate 1 has the exposed part being exposed in through hole 31, and insulation back-up coat is set
On exposed part, and it is filled in through hole 31, cover plate 1 can thus be fixedly connected with hot-wire coil 2, and further improves lid
Insulation effect between plate 1 and hot-wire coil 2." neighbouring " mentioned here refers to the in small distance of through hole 31 and hot-wire coil 2,
And those skilled in the art can rationally be set to this.
In the present embodiment, as shown in Figure 1-2, position has the tetragonal structure of cavity centered on hot-wire coil 2, outside it
Side face is four sides 21 connected successively, and one of them 21 is fitted and connected with circuit board 3 sideways.Set in the present embodiment
There are two through holes 31, and two through holes 31 are located at the two ends for the side 21 being fitted and connected with circuit board 3 respectively.When mounted, it is first
First hot-wire coil 2 is placed on circuit board 3, insulation back-up coat is then filled in through hole 31 again, so that hot-wire coil 2 passes through
The insulation back-up coat is fixed on the cover plate 1, and is insulated with cover plate 1.
In other embodiment of the present utility model, the insulation back-up coat can also be arranged on cover plate 1 close to circuit board 3
Edge position at, and extend to hot-wire coil 2 from cover plate 1 by circuit board 3, and then be connected with hot-wire coil 2.
In the above embodiments, the adhesive linkage that insulation back-up coat can be formed using double faced adhesive tape, it would however also be possible to employ insulating cement
Coat.In the present embodiment, insulate the preferred insulating cement coat of back-up coat, thus can make consolidating between cover plate 1 and hot-wire coil 2
Fixed structure is more stablized, and colloid is not allowed easy to fall off.In the present embodiment, insulating cement coat can use polyimide resin
Layer, epoxy resin layer or polybutadiene acid resin layer etc..
, can also be in electricity in order to ensure the accuracy of link position when the insulation of hot-wire coil 2 is connected on circuit board 3
Limited impression is set on road plate 3, and hot-wire coil 2 can be resisted against on the inwall of the limited impression, thus can realize hot-wire coil 2
It is spacing on circuit board 3.
Further, in order to ensure the insulation of hot-wire coil 2 and shell 4, it can also be set up in linear vibration electric motor absolutely
Edge part (not shown).Insulating part is arranged between hot-wire coil 2 and shell 4, and is insulated with hot-wire coil 2 and shell 4
Connection.
Similarly, insulating part can also be by material systems such as polyester, polyimides, polytetrafluoroethylene (PTFE), soft epoxy-glass cloth
Into.In the present embodiment, the preferred electro-insulating rubber pad of insulating part.
In this application, as shown in figure 4, Flexible Connector 5 is connected with vibration component, more properly, Flexible Connector 5 is pressed from both sides
Hold mass 6 so that vibration component is suspended.The quantity of Flexible Connector 5 is two, and two Flexible Connectors 5 are separately positioned on
Both sides of the vibration component along its direction of vibration.
Mounting hole 61 is further opened with mass 6, magnetic steel component 7 is installed in mounting hole.Magnetic steel component 7 includes the first magnetic
The magnet steel 72 of steel 71 and second, and the first magnet steel 71 and the second magnet steel 72 be intervally installed along the direction of vibration of vibration component.
Hot-wire coil 2 is arranged in mounting hole 61, and positioned between the first magnet steel 71 and the second magnet steel 72.In this implementation
In example, the direction of vibration of the end face of the hot-wire coil 2 perpendicular to vibration component.Hot-wire coil 2 is cyclic structure, and its middle part has
Receiving hole.
Therefore, linear vibration electric motor of the present utility model is by setting insulating barrier on circuit boards, and by hot-wire coil
Set on circuit boards, hot-wire coil is insulated by the insulating barrier on circuit board and cover plate, reduce due to hot-wire coil
Insulating barrier it is damaged caused by the risk that is short-circuited between cover plate.
The preferred embodiment of the application is the foregoing is only, the application is not limited to, for the skill of this area
For art personnel, the application can have various modifications and variations.It is all within spirit herein and principle, made any repair
Change, equivalent, improvement etc., should be included within the protection domain of the application.
Claims (10)
1. a kind of linear vibration electric motor, including shell and the shell cover the cover plate to form host cavity, and are contained in described
Fixation kit, vibration component and Flexible Connector in host cavity；The Flexible Connector is connected simultaneously with the vibration component
The vibration component is suspended in the host cavity；The fixation kit includes hot-wire coil and electric with the hot-wire coil
The circuit board of connection；The vibration component includes magnetic steel component；Characterized in that, the hot-wire coil is arranged on the circuit board
On, and the circuit board is fixed on the cover plate；The hot-wire coil is insulated by the circuit board and the cover plate.
2. linear vibration electric motor according to claim 1, it is characterised in that connect on the circuit board with the hot-wire coil
Tactile side is provided with insulating barrier；The hot-wire coil is insulated by the insulating barrier and the cover plate.
3. linear vibration electric motor according to claim 1, it is characterised in that also including connecting the cover plate and the energization
The insulation back-up coat of coil, and the insulation back-up coat insulate with the cover plate and the hot-wire coil respectively.
4. linear vibration electric motor according to claim 3, it is characterised in that the neighbouring hot-wire coil on the circuit board
Position offer through hole；The cover plate has the exposed part being exposed in the through hole；The insulation back-up coat is arranged at
On the exposed part, and it is filled in the through hole, and the insulation back-up coat is fixedly connected the cover plate and the energization
Coil.
5. linear vibration electric motor according to claim 3, it is characterised in that the insulation back-up coat is layers of two-sided, gathered
Imide resin layer, epoxy resin layer or polybutadiene acid resin layer.
6. the linear vibration electric motor according to claim any one of 1-5, it is characterised in that the circuit board includes spacing recessed
Groove, the hot-wire coil be located in the limited impression and with the inwall of the limited impression against.
7. the linear vibration electric motor according to claim any one of 1-5, it is characterised in that also including insulating part；It is described exhausted
Edge part is located between the shell and the hot-wire coil, and is connected with the shell and hot-wire coil insulation.
8. linear vibration electric motor according to claim 7, it is characterised in that the insulating part is electro-insulating rubber pad.
9. linear vibration electric motor according to claim 1, it is characterised in that the vibration component also includes mass；Institute
State Flexible Connector and clamp the mass so that the vibration component is suspended；Mounting hole is offered on the mass；
The magnetic steel component includes being installed in the mounting hole and being intervally installed along the direction of vibration of the vibration component
The first magnet steel and the second magnet steel；
The hot-wire coil is located in the mounting hole and is arranged between first magnet steel and second magnet steel, and described
The end face of hot-wire coil is perpendicular to the direction of vibration.
10. linear vibration electric motor according to claim 9, it is characterised in that the hot-wire coil is cyclic structure, and institute
Stating the middle part of hot-wire coil has receiving hole；The fixation kit also includes the magnetic conductor being inserted in the receiving hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621166409.1U CN206341113U (en) | 2016-10-25 | 2016-10-25 | Linear vibration electric motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621166409.1U CN206341113U (en) | 2016-10-25 | 2016-10-25 | Linear vibration electric motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206341113U true CN206341113U (en) | 2017-07-18 |
Family
ID=59300269
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621166409.1U Active CN206341113U (en) | 2016-10-25 | 2016-10-25 | Linear vibration electric motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206341113U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111146916A (en) * | 2020-01-03 | 2020-05-12 | 浙江省东阳市东磁诚基电子有限公司 | Electromagnet type horizontal linear vibration motor and implementation method thereof |
-
2016
- 2016-10-25 CN CN201621166409.1U patent/CN206341113U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111146916A (en) * | 2020-01-03 | 2020-05-12 | 浙江省东阳市东磁诚基电子有限公司 | Electromagnet type horizontal linear vibration motor and implementation method thereof |
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