CN104659951B - A kind of voice coil motor case and voice coil motor - Google Patents
A kind of voice coil motor case and voice coil motor Download PDFInfo
- Publication number
- CN104659951B CN104659951B CN201310596278.5A CN201310596278A CN104659951B CN 104659951 B CN104659951 B CN 104659951B CN 201310596278 A CN201310596278 A CN 201310596278A CN 104659951 B CN104659951 B CN 104659951B
- Authority
- CN
- China
- Prior art keywords
- voice coil
- coil motor
- side wall
- motor case
- heat
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/20—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/18—Casings or enclosures characterised by the shape, form or construction thereof with ribs or fins for improving heat transfer
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Studio Devices (AREA)
- Cameras Adapted For Combination With Other Photographic Or Optical Apparatuses (AREA)
Abstract
The present invention provides a kind of voice coil motor case and voice coil motor, and enclosure is host cavity, and motor case includes being formed with least one radiating groove on roof and side wall, the side wall.The present invention sets multiple radiating grooves on side wall of outer shell, can quickly export to outside electronic product enclosure or casing heat, voice coil motor and camera module are radiated using shell so as to realize.
Description
Technical field
The present invention relates to the camera module of electronic component, more particularly to a kind of voice coil loudspeaker voice coil horse that can be radiated to camera module
Up to shell.
Background technology
At present, increasing electronic product is equipped with camera or camera, and above-mentioned camera or camera would generally
Using the camera lens of auto-focusing.Drive device of being focused in the camera of miniaturization generally uses voice coil motor.
Common voice coil motor mainly includes shell, fixed mount, sleeve, shell fragment and magnetic part.The fixed mount side of being usually
Body shape frame structure, it is provided with the host cavity for receiving sleeve.The sleeve is to install lens barrel, and the winding of its lateral wall is wired
Circle.The magnetic part is embedded at fixed mount side wall, and surround the sleeve and relative with coil.The shell fragment is fixed on fixed mount following table
Face, it is used to bestow sleeve resilience restoring force to prevent sleeve to be damaged.During zoom, the coil communicates with electric current and produces electromagnetism
, the magnetic field interaction of the electromagnetic field and magnetic part produces the drive force lens barrel of displaceable sleeve with respect to image sensing
Device is moved, so as to change the distance between eyeglass and image sensor in lens barrel, and then realizes zoom.
However, heat can be produced in the voice coil motor running of miniaturization, with electronic product camera or camera
Utilization rate more and more higher, does not also seem obvious more the problem of easy heat radiation.
Simultaneously as voice coil motor case is commonly connected to circuit board, in the higher and higher electronic product of current integrated level
In, also it can may quickly be reached sometimes through shell in voice coil motor close to the high heat producing components such as CPU, the heat of these parts,
Easily cause the damage or bad of voice coil motor or camera.In state of the art, the radiating seldom to camera module is proposed
Technological improvement plan, primary concern is that the radiating to some high heat producing components such as CPU, often ignore voice coil motor accumulated heat and
The problem of can not radiating.
The content of the invention
, can be with most economical, most efficient radiating mode the invention provides a kind of voice coil motor case based on above mentioned problem
Reduce temperature when voice coil motor and camera module action.
To reach above-mentioned purpose, the present invention provides a kind of voice coil motor case, and inside is host cavity, and the shell includes roof
And side wall, multiple radiating grooves extended laterally are formed with the outer surface of the side wall.Multiple transverse directions are set on side wall of outer shell
Radiating groove, can quickly export to heat outside electronic product enclosure or casing, so as to realizing using shell to voice coil motor and
Camera module is radiated.
Increase the closeness of contact with heat-conducting layer side using heatsink transverse groove, and using the radiating of cross connection
Groove, which is tried one's best, blocks base circuit board to pass through the upward conduct radiation heat of shell.Outside heat can be reduced to import and inside can be increased
Heat quickly sheds, and substantially reduces temperature when voice coil motor and camera module action.
According to above-mentioned embodiment, the voice coil motor case profile is in cube shape, and the side wall is 4, two neighboring
The radiating groove of the outer surface of side wall, which is corresponded, to be connected.
According to above-mentioned embodiment, the cross sectional shape of the radiating groove is rectangle, inverted trapezoidal, V-arrangement or arc.
According to above-mentioned embodiment, the radiating groove is recessed in the outer surface of the side wall, accordingly in the side wall
Inner surface protrudes, and forms fold on the housing.Also using the radiating groove increase of V-arrangement or arc and connecing for heat-conducting layer side
Tight ness rating is touched, and blocks base circuit board to pass through the upward conduct radiation heat of shell using multiple transverse fold maximizings
Amount.Outside heat importing can be reduced and internal heat can be increased and quickly shed, voice coil motor is substantially reduced and camera module is dynamic
Temperature when making.
According to above-mentioned embodiment, there are 8 to 15 radiating grooves on each outer surface of side wall.
According to above-mentioned embodiment, laser welding one has multiple longitudinal direction radiatings at least one outer surface of the side wall
The fin of groove, the fin area is less than the area of the outer surface of the side wall.In shell away from electronic component circuit board
Side, laser welding one have multiple longitudinal radiating grooves fin because this side will not typically lay heat-conducting layer, using dissipate
Heat is directly conducted to housing top, finally through electronic component by backing in order to absorb the heat between each heatsink transverse groove
Housing is outwards conducted, it is to avoid this side heat is put aside in voice coil motor and camera module, to reduce temperature.
The present invention also provides a kind of voice coil motor of the foregoing shell of application, and the voice coil motor also includes fixing
Frame, sleeve, shell fragment and magnetic part.
The present invention is compared to the beneficial effect of prior art：Multiple heatsink transverse grooves are set on side wall of outer shell, can
It will quickly export to outside electronic product enclosure or casing, voice coil motor and camera module dissipated using shell so as to realize
Heat.Increase the closeness of contact with heat-conducting layer side using heatsink transverse groove, and use up using the radiating groove of cross connection
Amount blocks base circuit board to pass through the upward conduct radiation heat of shell.Outside heat can be reduced to import and internal heat can be increased
Quickly shed, substantially reduce temperature when voice coil motor and camera module action.
Also the radiating groove increase using V-arrangement or arc and the closeness of contact of heat-conducting layer side, and utilize multiple horizontal strokes
Base circuit board is blocked to pass through the upward conduct radiation heat of shell to fold maximizing.Outside heat can be reduced to import again
Internal heat can be increased quickly to shed, temperature when voice coil motor and camera module action is substantially reduced.
In side of the shell away from electronic component circuit board, laser welding one has the fin of multiple longitudinal radiating grooves,
Because this side will not typically lay heat-conducting layer, using fin in order to absorb the heat between each heatsink transverse groove, by heat
Amount is directly conducted to housing top, is finally outwards conducted through electronic component shell, it is to avoid this side heat is in voice coil motor and shooting
Put aside in module, to reduce temperature.
Brief description of the drawings
Fig. 1 is the dimensional structure diagram of voice coil motor case first embodiment of the present invention.
Fig. 2 is voice coil motor case first embodiment positive structure diagram of the present invention.
Fig. 3 is voice coil motor case first embodiment left side structure schematic diagram of the present invention.
Fig. 4 is the dimensional structure diagram of voice coil motor case second embodiment of the present invention.
Fig. 5 is voice coil motor case second embodiment left side structure schematic diagram of the present invention.
Fig. 6 is the schematic cross-sectional view of voice coil motor case 3rd embodiment line A-A along along Fig. 2 of the present invention.
Fig. 7 is the schematic cross-sectional view of voice coil motor case fourth embodiment line A-A along along Fig. 2 of the present invention.
Fig. 8 is the embodiment left side structure schematic diagram of voice coil motor case the 5th of the present invention.
Description of reference numerals：
Voice coil motor case 1, host cavity 10, side wall 11, roof 12, radiating groove 13, longitudinal radiating groove 15, fin 14.
Embodiment
Example embodiment is described more fully with referring now to accompanying drawing.However, example embodiment can be with a variety of shapes
Formula is implemented, and is not understood as limited to embodiment set forth herein；On the contrary, thesing embodiments are provided so that the present invention more
Fully and completely, and by the design of example embodiment those skilled in the art is comprehensively conveyed to.In figure, in order to clear
It is clear, it may be exaggerated the thickness of region and layer.Identical reference represents same or similar structure in figure, thus will save
Omit their detailed description.
Implement in addition, described feature, structure or characteristic can be combined in any suitable manner one or more
In example.Embodiments of the invention are fully understood so as to provide there is provided many details in the following description.However,
It will be appreciated by persons skilled in the art that technical scheme can be put into practice without one in the specific detail or more
It is many, or can be using other methods, constituent element, material etc..In other cases, be not shown in detail or describe known features,
Material operates to avoid obscuring the major technique intention of the present invention.
Referring to figs. 1 to shown in Fig. 8, the present invention provides a kind of Technological improvement plan of voice coil motor case 1, voice coil loudspeaker voice coil therein
Motor generally also includes fixed mount, sleeve, shell fragment and magnetic part.The profile of voice coil motor case 1 can cylindrical or cube shape, outside
The bottom of shell 1 is opened, and upper side is roof 12, and the perforate of roof 12 removes roof for camera module activity adjustment height and position, shell 1
Outer peripheral face beyond 12 is side wall 11.Shell 1 can be the metal materials such as iron or steel, typically the material from maskable external electromagnetic
Matter, is not particularly limited.The present invention is compared to a big feature of prior art, and at least one is formed with side wall 11
Individual radiating groove 13, each radiating groove 13 can be extended laterally abreast, each other can be at equal intervals.In order to which increase shell 1 is with putting
The contact area of thermal medium, this exothermic medium can be air, be preferably this kind of high thermal conductivity coefficient medium of graphene certainly
Heat-conducting layer（Illustrated below as example, but not limited to this）, heat-conducting layer quickly can will export to electronic product enclosure or machine
Outside shell, voice coil motor and camera module are radiated using shell 1 so as to realize.
As shown in Figure 1 to Figure 3, it is motor case 1 in the first embodiment of voice coil motor case 1 of the present invention, the present embodiment
Illustrated with cube shape, the motor case 1 has a central shaft, shell 1 includes its in side wall 11 and roof 12, the present embodiment
Side wall 11 is 4 and vertical connection successively, and voice coil motor case 1 is internally formed host cavity 10, and side wall can have on each outer surface
There is the radiating groove 13 that 8 to 15 cross sectional shapes are rectangle.The radiating groove 13 of the two neighboring outside of side wall 11 can correspond connected
It is logical.Because shell 1 is usually located between electron product circuit plate and electronic product casing, graphene heat-conducting layer can be generally also located at
Between electron product circuit plate and electronic product casing, so, graphene heat-conducting layer can be around at least the three of the side wall 11 of shell 1
Individual outer surface is configured, with graphene heat-conducting layer side docking the side wall 11 of shell 1, so, using radiating groove 13 increase with
The closeness of contact of graphene heat-conducting layer side, and block base circuit board to lead to as far as possible using the radiating groove 13 of cross connection
Cross the upward conduct radiation heat of shell 1.Outside heat importing can be reduced, internal heat can be increased again and quickly shed, dropped significantly
Temperature when bass coil motor and camera module action.
It is motor case 1 in the second embodiment of voice coil motor case 1 of the present invention, the present embodiment as shown in Fig. 4 to Fig. 5
Illustrated with cube shape, it is 4 that shell 1, which includes its side wall 11 in side wall 11 and roof 12, the present embodiment, and vertical phase successively
Even, voice coil motor case 1, which is internally formed on host cavity 10, the outer surface of each side wall, can have 8 to 15 cross sectional shapes to be ladder
The radiating groove 13 of shape.The radiating groove 13 of the two neighboring outer surface of side wall 11, which can be corresponded, to be connected.Because shell 1 is usually located at
Between electron product circuit plate and electronic product casing, graphene heat-conducting layer can generally also be located at electron product circuit plate and electronics
Between product casing, so, graphene heat-conducting layer can be configured around at least three outer surfaces of the side wall 11 of shell 1, with
The graphene heat-conducting layer side docking side wall 11 of shell 1, so, using the trapezoidal increase of radiating groove 13 and graphene heat-conducting layer side
The closeness of contact in face, and block base circuit board to pass through shell 1 as far as possible using the trapezoidal radiating groove 13 of cross connection
Upward conduct radiation heat.Outside heat importing can be reduced and internal heat can be increased and quickly shed, voice coil loudspeaker voice coil horse is substantially reduced
Up to temperature when being acted with camera module.
As shown in Figure 6 to 7, it is in third and fourth embodiment of voice coil motor case 1 of the present invention, the present embodiment outside motor
Shell 1 is illustrated with cube shape, and it is still 4, sound that shell 1, which equally includes its side wall 11 in side wall 11 and roof 12, the present embodiment,
Coil motor shell 1, which is internally formed on host cavity 10, the outer surface of each side wall, can have 8 to 15 cross sectional shapes to be V-arrangement or arc
The radiating groove 13 of shape.It is also accordingly convex in the inner surface of side wall 11 and these radiating grooves 13 are not only recessed in the outer surface of side wall 11
Go out, multiple transverse folds are formed on shell 1.The radiating groove 13 of the outer surface of two neighboring side wall 11 can correspond connected
It is logical.Because shell 1 is usually located between electron product circuit plate and electronic product casing, graphene heat-conducting layer can be generally also located at
Between electron product circuit plate and electronic product casing, so, graphene heat-conducting layer can be around the side wall 11 of shell 1 at least three
Outer surface be configured, with graphene heat-conducting layer dock the side wall 11 of shell 1, so, using the radiating groove 13 of V-arrangement or arc
Increase and the closeness of contact of graphene heat-conducting layer side, and block bottom circuit using multiple transverse fold maximizings
Plate passes through the upward conduct radiation heat of shell 1.Outside heat importing can be reduced and internal heat can be increased and quickly shed, significantly
Reduce temperature when voice coil motor and camera module action.
As shown in figure 8, be the 5th embodiment of voice coil motor case 1 of the present invention, can be on the basis of previous embodiment, at this
Laser welding one has multiple longitudinal radiating grooves 15 on the outer surface face of at least one the side wall of voice coil motor case 1 in embodiment
Fin 14, fin area is less than the area of the wherein outer surface of side wall.This plane may be selected to be away from electronic component
The side of circuit board, because this side will not typically lay heat-conducting layer, using fin 14 in order to absorbing each heatsink transverse groove
Heat between 13, housing top 12 is directly conducted to by heat, is finally outwards conducted through electronic component shell, it is to avoid this side heat
Amount is put aside in voice coil motor and camera module, to reduce temperature.
The present invention is compared to the beneficial effect of prior art：Multiple heatsink transverse grooves are set on side wall of outer shell（Institute
State the central shaft for extending perpendicularly to the motor case of heatsink transverse groove）, will can quickly export to electronic product enclosure
Or outside casing, voice coil motor and camera module are radiated using shell so as to realize.Using the increase of heatsink transverse groove
With the closeness of contact of heat-conducting layer side, and using cross connection radiating groove try one's best blocking base circuit board pass through shell
Upward conduct radiation heat.Outside heat importing can be reduced and internal heat can be increased and quickly shed, voice coil loudspeaker voice coil horse is substantially reduced
Up to temperature when being acted with camera module.
Also the radiating groove increase using V-arrangement or arc and the closeness of contact of heat-conducting layer side, and utilize multiple horizontal strokes
Base circuit board is blocked to pass through the upward conduct radiation heat of shell to fold maximizing.Outside heat can be reduced to import again
Internal heat can be increased quickly to shed, temperature when voice coil motor and camera module action is substantially reduced.
In side of the shell away from electronic component circuit board, laser welding one has multiple longitudinal radiating grooves（The transverse direction
Central shaft of the bearing of trend of radiating groove parallel to the motor case）Fin led because this side will not typically be laid
Thermosphere, using fin in order to absorb the heat between each heatsink transverse groove, is directly conducted to housing top, finally by heat
Outwards conducted through electronic component shell, it is to avoid this side heat is put aside in voice coil motor and camera module, to reduce temperature.
Although exemplary embodiment describing the present invention with reference to several, it is to be understood that, term used is explanation and shown
Example property and nonrestrictive term.Because the present invention can be embodied without departing from the spiritual or real of invention in a variety of forms
Matter, it should therefore be appreciated that above-described embodiment is not limited to any foregoing details, and the spirit that should be limited in appended claims
With widely explained in scope, therefore the whole changes fallen into claim or its equivalent scope and remodeling all should be the power of enclosing
Profit requires to be covered.
Claims (7)
1. a kind of voice coil motor case, inside is host cavity, the shell includes roof and side wall, it is characterised in that the side wall
Outer surface on be formed with laser welding one on multiple radiating grooves extended laterally, at least one outer surface of the side wall and have
The fin of multiple longitudinal radiating grooves, the fin is laid at least one outer surface of the side wall, utilizes the radiating
Piece absorbs the heat between each radiating groove, and heat is directly conducted into the housing top.
2. voice coil motor case as claimed in claim 1, it is characterised in that the voice coil motor case profile is in cube shape,
The side wall is 4, and the radiating groove of the outer surface of two neighboring side wall, which is corresponded, to be connected.
3. voice coil motor case as claimed in claim 1, it is characterised in that the cross sectional shape of the radiating groove is rectangle, fallen
Trapezoidal, V-arrangement or arc.
4. the voice coil motor case as described in any one of claims 1 to 3, it is characterised in that the radiating groove is in the side wall
Outer surface it is recessed, accordingly the side wall inner surface protrude, form fold on the housing.
5. the voice coil motor case as described in any one of claims 1 to 3, it is characterised in that on each outer surface of side wall
With 8 to 15 radiating grooves.
6. voice coil motor case as claimed in claim 4, it is characterised in that the fin area is less than the appearance of the side wall
The area in face.
7. a kind of voice coil motor of shell of application as described in any one of claim 1 to 6, it is characterised in that the voice coil loudspeaker voice coil horse
Up to also including fixed mount, sleeve, shell fragment and magnetic part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310596278.5A CN104659951B (en) | 2013-11-21 | 2013-11-21 | A kind of voice coil motor case and voice coil motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310596278.5A CN104659951B (en) | 2013-11-21 | 2013-11-21 | A kind of voice coil motor case and voice coil motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104659951A CN104659951A (en) | 2015-05-27 |
| CN104659951B true CN104659951B (en) | 2017-10-03 |
Family
ID=53250754
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310596278.5A Expired - Fee Related CN104659951B (en) | 2013-11-21 | 2013-11-21 | A kind of voice coil motor case and voice coil motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104659951B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114126355B (en) * | 2021-11-02 | 2023-02-28 | 武汉华星光电半导体显示技术有限公司 | Folding display device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201688521U (en) * | 2010-04-15 | 2010-12-29 | 东莞市富利环保有限公司 | Automatic stop and automatic start purifier |
| CN103187824A (en) * | 2011-12-27 | 2013-07-03 | 上海比路电子有限公司 | Iron housing for drive motor |
| CN103283213A (en) * | 2010-12-27 | 2013-09-04 | Lg伊诺特有限公司 | Camera module |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11234954A (en) * | 1998-02-18 | 1999-08-27 | Toshiba Corp | Motor |
| US7498682B2 (en) * | 2007-03-07 | 2009-03-03 | Aaron Patrick Lemieux | Electrical energy generator |
-
2013
- 2013-11-21 CN CN201310596278.5A patent/CN104659951B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201688521U (en) * | 2010-04-15 | 2010-12-29 | 东莞市富利环保有限公司 | Automatic stop and automatic start purifier |
| CN103283213A (en) * | 2010-12-27 | 2013-09-04 | Lg伊诺特有限公司 | Camera module |
| CN103187824A (en) * | 2011-12-27 | 2013-07-03 | 上海比路电子有限公司 | Iron housing for drive motor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104659951A (en) | 2015-05-27 |
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