CN106647114A - Camera module - Google Patents
Camera module Download PDFInfo
- Publication number
- CN106647114A CN106647114A CN201611109609.8A CN201611109609A CN106647114A CN 106647114 A CN106647114 A CN 106647114A CN 201611109609 A CN201611109609 A CN 201611109609A CN 106647114 A CN106647114 A CN 106647114A
- Authority
- CN
- China
- Prior art keywords
- shell
- camera module
- metal rack
- module according
- functional unit
- 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.)
- Pending
Links
- 229910052751 metal Inorganic materials 0.000 claims abstract description 58
- 239000002184 metal Substances 0.000 claims abstract description 58
- 230000005855 radiation Effects 0.000 claims abstract description 9
- 238000009423 ventilation Methods 0.000 claims description 4
- 238000004891 communication Methods 0.000 claims description 3
- 238000012545 processing Methods 0.000 claims description 3
- 238000012546 transfer Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 2
- 230000017525 heat dissipation Effects 0.000 abstract 2
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 229910002804 graphite Inorganic materials 0.000 description 2
- 239000010439 graphite Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 229920002379 silicone rubber Polymers 0.000 description 2
- 239000004945 silicone rubber Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 206010053615 Thermal burn Diseases 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B17/00—Details of cameras or camera bodies; Accessories therefor
- G03B17/55—Details of cameras or camera bodies; Accessories therefor with provision for heating or cooling, e.g. in aircraft
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/50—Constructional details
Abstract
The invention discloses a camera module. The camera module comprises a metal bracket, a functional assembly and a shell; the functional assembly is assembled on the metal bracket, wherein the functional assembly can transfer heat to the metal bracket; the heat radiation rate of the shell to air is higher than that of the metal bracket to air; and when the metal bracket and the functional assembly are assembled in the shell, the metal bracket can transfer heat to the shell, and the heat is radiated to an external space through the shell. By adoption of the technical scheme disclosed by the invention, the heat dissipation capability and the heat dissipation effect of the camera module can be improved.
Description
Technical field
It relates to acquisition technology field, more particularly to a kind of camera module.
Background technology
As the functional unit inside camera module is more and more, and the performance of each functional unit is more and more stronger, though
Can so realize more multi-functional, but bring increasing caloric value therewith.The increase of caloric value, on the one hand can affect user
Feel, such as occur scald one's hand phenomenon, on the other hand can affect the self performance of camera module built-in function component, or even cause
Camera module cannot normal work.
The content of the invention
The disclosure provides a kind of camera module, to solve the deficiency in correlation technique.
According to the first aspect of the embodiment of the present disclosure, there is provided a kind of camera module, including：
Metal rack；
Functional unit, the functional unit are assemblied on the metal rack；Wherein, heat can be passed by the functional unit
It is directed at the metal rack；
Shell, the shell are higher than thermal emissivity rate of the metal rack to air to the thermal emissivity rate of air；When described
When metal rack and the functional unit are assemblied in the enclosure, the metal rack can conduct heat to described outer
Shell, and by the shell by heat radiation to space outerpace.
Optionally, the functional unit includes preset function chip, and the preset function chip conducts heat to described
Metal rack.
Optionally, the preset function chip includes at least one of：Image sensor chip, digital processing chip,
Horizontal stage electric machine control chip, communication chip.
Optionally, the first heat conduction is provided between the preset function chip and the first default end face of the metal rack
Piece.
Optionally, the second of the metal rack is preset and is provided with the second conducting strip between end face and the inwall of the shell.
Optionally, the inwall of the shell is matched with the second default end face of the metal rack, makes second heat conduction
Piece forms face with the inwall of the described second default end face, the shell respectively and contacts.
Optionally, the inwall of the shell is pasted with metal film, and the area coverage of the metal film is led more than described second
Backing.
Optionally, the outer surface of the shell also forms some radiating fins.
Optionally, the gap between the radiating fin is turned on the inner chamber of the shell, empty with outside to form inner chamber
Between cross-ventilation.
Optionally, the radiating fin and its between the setting area of the outer surface of the shell be in non-perpendicular setting.
The technical scheme that embodiment of the disclosure is provided can include following beneficial effect：
From above-described embodiment, the disclosure, can be to functional unit by arranging metal rack inside camera module
The heat of generation is absorbed and is conducted；Meanwhile, contacted with the shell of high-heating radiation rate by metal rack so that metal
The heat that support absorbs further can be conducted to shell, to be radiated to space outerpace by shell, so as to realize to functional unit
Effective radiating.
It should be appreciated that the general description of the above and detailed description hereinafter are only exemplary and explanatory, not
The disclosure can be limited.
Description of the drawings
During accompanying drawing herein is merged in description and the part of this specification is constituted, show the enforcement for meeting the disclosure
Example, and be used for explaining the principle of the disclosure together with description.
Fig. 1 is a kind of schematic diagram coordinated with functional unit by the metal rack according to an exemplary embodiment.
Fig. 2 is a kind of decomposition texture schematic diagram of the camera module according to an exemplary embodiment.
Specific embodiment
Here in detail exemplary embodiment will be illustrated, its example is illustrated in the accompanying drawings.Explained below is related to
During accompanying drawing, unless otherwise indicated, the same numbers in different accompanying drawings represent same or analogous key element.Following exemplary embodiment
Described in embodiment do not represent all embodiments consistent with the disclosure.Conversely, they be only with as appended by
The example of consistent apparatus and method in terms of some described in detail in claims, the disclosure.
Fig. 1 is a kind of schematic diagram coordinated with functional unit by the metal rack according to an exemplary embodiment,
As shown in figure 1, in the camera module of the disclosure, can include：Metal rack 1；Functional unit, the functional unit are assemblied in this
On metal rack 1；Wherein, the functional unit can conduct heat to the metal rack 1, so as to realize to the direct of functional unit
Radiating.
Wherein, functional unit can be the printed circuit board (PCB) for being provided with preset function chip, then mainly have the preset function core
Piece produces heat, and conducts to metal rack 1.Wherein, one or more functions component can be included in camera module, and each
Functional unit can be provided with one or more preset function chips；For example in the embodiment shown in fig. 1, preset function chip can
To include：Imageing sensor (i.e. sensor) chip 21, digital processing chip (i.e. DSP) 22, horizontal stage electric machine control chip is (i.e.
MCU) 23, certain preset function chip can also include the such as communication chip that Fig. 1 is not shown or does not indicate (such as WIFI chips)
Deng will not enumerate herein.
In the case of one kind, preset function chip directly can be contacted with metal rack 1, to realize that heat conducts；And it is another
In the case of kind, due to factors such as the space structure cooperation inside camera module, the setting angles of each preset function component, preset
Functional chip possibly cannot fit in metal rack 1 completely, and the heat conducting power of preset function chip itself is limited, because
And when assuming that the first default end face of preset function chip and metal rack 1 coordinates, can preset function chip with this first
First conducting strip 31 is set between default end face, and such as first conducting strip 31 can be that graphite flake or silicone rubber oil and silicon dissipate
Heat pad piece etc., can not only effectively be filled the gap between preset function chip and metal rack 1, and be passed by high heat
Conductance realizes preset function chip and conducts to the rapid heat of metal rack 1, so as to realize effectively dissipating to preset function chip
Heat treatment.
Further, the camera module of the disclosure can also include：Shell, the shell is to the thermal emissivity rate of air higher than gold
Category thermal emissivity rate of the support 1 to air, and when the metal rack 1 and functional unit are assemblied in the enclosure, the metal
Support 1 can conduct heat to the shell, and by the shell by heat radiation to space outerpace.
In the present embodiment, shell is very high to the thermal emissivity rate of air, even above metal material, in such as correlation technique
The thermal emissivity rate of black plastic can reach 0.9W/ (mK), and aluminum is only 0.1W/ (mK), thus shell can quickly by
Metal rack 1 transmission heat radiation in space outerpace, so as to can both prevent accumulation of the heat inside camera module, and
Cause shell that the phenomenon for scalding one's hand occurs when can avoid using metal material.
Fig. 2 is a kind of decomposition texture schematic diagram of the camera module according to an exemplary embodiment.As shown in Fig. 2
The shell of camera module can include fore shell 41 and back cover 42, after the fore shell 41 is mutually combined with back cover 42, can accommodate above-mentioned gold
Category support 1, functional unit etc..
As shown in Fig. 2 metal rack 1 can be interior with back cover 42 by the second default end face (such as the upper surface in Fig. 2)
Wall directly contact, to realize that the direct heat between the metal rack 1 and back cover 42 is conducted.Or, the second of metal rack 1 is pre-
If the second conducting strip 32 can be arranged between end face and back cover 42, second conducting strip 32 is similar with the first above-mentioned conducting strip 31
Seemingly, it would however also be possible to employ graphite flake or silicone rubber oil and silicon radiating gasket etc., can not only effectively filler metal support 1 and
Gap between back cover 42, and rapid heat conduction of the metal rack 1 to back cover 42 is realized by high pyroconductivity.
Certainly, fore shell 41 can be using making with 42 identical material of back cover, equally to realize heat radiation function.
Further, the inwall in shell can be pasted with 5 (in the embodiment shown in Figure 2, metal film 5 of metal film
The inwall of back cover 42 is covered only), the such as metal film 5 can be copper film, and the area coverage of metal film 5 second is led more than this
Backing 32, so as to the heat from metal rack 1 is extended on area as big as possible, is easy to shell to realize more efficient underground heat
Amount radiation.
Wherein, as shown in Fig. 2 the second default end face of metal rack 1 is plane, and shell is arc, then in order to ensure
Tight fit between the two, can cause the inwall of shell (back cover 42 is mainly in Fig. 2) to be matched with the second default end face,
Make the second above-mentioned conducting strip 32 form face with the inwall of the second default end face, the shell respectively to contact, to increase as far as possible
Heat-conducting area, lifting heat transfer efficiency.
In any of the above-described embodiment, the outer surface of shell can also form some radiating fins 43, and such as Fig. 2 shows
Radiating fin 43 on 42 outer wall of back cover.Radiating fin 43 can be understood as the raceway groove that case surface is caved in, so as in phase
With contact area, the heat radiation intensity in lifting outer cover against external space on the shell of size, between increase and extraneous air.
It is possible to further turn on the gap between radiating fin 43 and the inner chamber of the shell so that camera module
Cross-ventilation can be formed between internal and space outerpace, to realize more preferably radiating effect.Wherein, when between radiating fin 43
The inner chamber of gap and shell when turning on, can make the radiating fin 43 with its setting area of the outer surface of the shell it
Between be in non-perpendicular setting, so as in the case where ensureing that cross-ventilation radiates, it is to avoid the internal structure of camera module is by outside straight
Connect visible, the aesthetic appearance of camera module can be kept, while liquid or foreign body can also be reduced hence into camera module inside
Probability, contribute to extend camera module service life.
Those skilled in the art will readily occur to its of the disclosure after considering description and putting into practice disclosure disclosed herein
Its embodiment.The application is intended to any modification, purposes or the adaptations of the disclosure, these modifications, purposes or
Person's adaptations follow the general principle of the disclosure and including the undocumented common knowledge in the art of the disclosure
Or conventional techniques.Description and embodiments are considered only as exemplary, and the true scope of the disclosure and spirit are by following
Claim is pointed out.
It should be appreciated that the disclosure is not limited to the precision architecture for being described above and being shown in the drawings, and
And various modifications and changes can be being carried out without departing from the scope.The scope of the present disclosure is limited only by appended claim.
Claims (10)
1. a kind of camera module, it is characterised in that include：
Metal rack；
Functional unit, the functional unit are assemblied on the metal rack；Wherein, the functional unit can be conducted heat to
The metal rack；
Shell, the shell are higher than thermal emissivity rate of the metal rack to air to the thermal emissivity rate of air；When the metal
When support and the functional unit are assemblied in the enclosure, the metal rack can conduct heat to the shell,
And by the shell by heat radiation to space outerpace.
2. camera module according to claim 1, it is characterised in that the functional unit includes preset function chip, institute
State preset function chip and conduct heat to the metal rack.
3. camera module according to claim 2, it is characterised in that the preset function chip include it is following at least it
One：Image sensor chip, digital processing chip, horizontal stage electric machine control chip, communication chip.
4. camera module according to claim 1, it is characterised in that the preset function chip and the metal rack
The first conducting strip is provided between first default end face.
5. camera module according to claim 1, it is characterised in that the default end face of the second of the metal rack with it is described
The second conducting strip is provided between the inwall of shell.
6. camera module according to claim 5, it is characterised in that the inwall of the shell is matched with the metal rack
The second default end face, make second conducting strip form face with the inwall of the described second default end face, the shell respectively and connect
Touch.
7. camera module according to claim 5, it is characterised in that the inwall of the shell is pasted with metal film, described
The area coverage of metal film is more than second conducting strip.
8. camera module according to claim 1, it is characterised in that the outer surface of the shell also forms some heat radiating fins
Piece.
9. camera module according to claim 8, it is characterised in that the gap between the radiating fin and the shell
Inner chamber conducting, to form the cross-ventilation of inner chamber and space outerpace.
10. camera module according to claim 9, it is characterised in that the radiating fin is with which in the outer of the shell
It is in non-perpendicular setting between the setting area on surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611109609.8A CN106647114A (en) | 2016-12-02 | 2016-12-02 | Camera module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611109609.8A CN106647114A (en) | 2016-12-02 | 2016-12-02 | Camera module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106647114A true CN106647114A (en) | 2017-05-10 |
Family
ID=58818366
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611109609.8A Pending CN106647114A (en) | 2016-12-02 | 2016-12-02 | Camera module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106647114A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109884958A (en) * | 2019-03-29 | 2019-06-14 | 杭州涂鸦信息技术有限公司 | A kind of intelligent monitoring terminal can be used for Internet of Things |
| CN111212210A (en) * | 2020-03-06 | 2020-05-29 | 浙江大学城市学院 | Robot vision positioning sensor |
| WO2020155820A1 (en) * | 2019-02-02 | 2020-08-06 | 北京地平线机器人技术研发有限公司 | Camera module, electronic device and vehicle device |
| WO2022021736A1 (en) * | 2020-07-29 | 2022-02-03 | 深圳市大疆创新科技有限公司 | Heat dissipation structure and electronic terminal |
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2016
- 2016-12-02 CN CN201611109609.8A patent/CN106647114A/en active Pending
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| JPH07231055A (en) * | 1994-02-18 | 1995-08-29 | Hitachi Ltd | Modular structure |
| JPH10308484A (en) * | 1997-05-08 | 1998-11-17 | Casio Comput Co Ltd | Heat radiation structure of electronic apparatus |
| JP2000196926A (en) * | 1998-12-28 | 2000-07-14 | Ikegami Tsushinki Co Ltd | Heat radiating device for television camera |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2020155820A1 (en) * | 2019-02-02 | 2020-08-06 | 北京地平线机器人技术研发有限公司 | Camera module, electronic device and vehicle device |
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| CN111212210A (en) * | 2020-03-06 | 2020-05-29 | 浙江大学城市学院 | Robot vision positioning sensor |
| WO2022021736A1 (en) * | 2020-07-29 | 2022-02-03 | 深圳市大疆创新科技有限公司 | Heat dissipation structure and electronic terminal |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170510 |
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