CN202421699U - Heat radiating device of camera - Google Patents
Heat radiating device of camera Download PDFInfo
- Publication number
- CN202421699U CN202421699U CN201120523106.1U CN201120523106U CN202421699U CN 202421699 U CN202421699 U CN 202421699U CN 201120523106 U CN201120523106 U CN 201120523106U CN 202421699 U CN202421699 U CN 202421699U
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- heat
- shell
- video camera
- pcb board
- thermal conductivity
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- Camera Bodies And Camera Details Or Accessories (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The utility model discloses a heat radiating device of a camera, which is used for radiating the heat of chips arranged on PCBs (Printed Circuit Boards). The heat radiating device comprises a shell, further comprises a middle heat conduction board which is arranged in the middle of the shell, and the edge of the middle heat conduction board is in contact with the shell. The chips arranged on the PCBs are adhered to the middle heat conduction board. Heat is conducted from the chips to the middle heat conduction board, is conducted from the middle head conduction board to the shell in contact with the middle heat conduction board, and finally is radiated to the environment or other media. Therefore, according to the heat radiating device of the camera provided by the utility model, good contact of the chips and the shell are ensured, so as to reduce heat resistance for heat radiation. The heat radiation condition of the camera in the prior art can be effectively improved; the stability of the system can be improved; and the service life of the chip is prolonged.
Description
Technical field
The utility model relates to the video monitoring equipment technical field, particularly a kind of heat abstractor of video camera.
Background technology
At present, video camera is of a great variety, and its its working principles is roughly the same, all adopts and changes optical image signal into electric signal, so that storage or transmission.When we took an object, the light that reflects on this object was collected by camera lens, made on its sensitive surface that focuses on picture pick-up device (the for example target surface of pick-up tube), changed light into electric energy through picture pick-up device again, had promptly obtained " vision signal ".Photosignal is very faint; Need to amplify through the pre-arcing road; Handle and adjust through various circuit again, the standard signal that obtains at last can be delivered on the recording medium such as video recorder and note, or propagates or deliver on the monitor through broadcasting system and show.
Gunlock is the approximate and rectangular rig camera of shell shape, because gunlock inner structure and complicated circuit need the chip of heat radiation also many; Traditional Gunlock structure, shell generally adopt covers shape, yet; Because of receiving the restriction of structure, the chip that need dispel the heat and the distance of shell are distant, can't guarantee that chip contacts with the tight of shell; Therefore, thermal resistance is bigger, and heat dissipating state is not good.
Therefore, how a kind of video camera heat abstractor is provided,, improves the stability of system and the serviceable life of chip to improve the heat dissipating state of video camera in the prior art.Become the technical matters that those skilled in the art need to be resolved hurrily.
The utility model content
In view of this, the fundamental purpose of the utility model is to provide a kind of video camera heat abstractor, to improve the heat dissipating state of existing video camera heat abstractor, improves the stability of system and the serviceable life of chip.
For realizing above-mentioned purpose, the utility model provides following technical scheme:
A kind of video camera heat abstractor is used to the chip cooling that designs on pcb board, comprises that the said shell of shell comprises shell, lower casing and sidewall, also comprises:
Be arranged at the intermediate thermal conductivity plate between the said shell, the edge of said intermediate thermal conductivity plate contacts with said shell, and the side that said pcb board has said chip is attached on the said intermediate thermal conductivity plate.
Preferably, in above-mentioned video camera heat abstractor, the sidewall of said intermediate thermal conductivity plate and said shell is an integral structure.
Preferably, in above-mentioned video camera heat abstractor, said pcb board is attached at the upside of said intermediate thermal conductivity plate.
Preferably, in above-mentioned video camera heat abstractor, also comprise being arranged on the said heat-conducting block of going up between shell and the said pcb board.
Preferably, in above-mentioned video camera heat abstractor, said pcb board is attached at the downside of said intermediate thermal conductivity plate.
Preferably, in above-mentioned video camera heat abstractor, also comprise the heat-conducting block that is arranged between said lower casing and the said pcb board.
Preferably, in above-mentioned video camera heat abstractor, said pcb board is two, and is attached at the both sides up and down of said intermediate thermal conductivity plate respectively.
Preferably, in above-mentioned video camera heat abstractor, also comprise being separately positioned on said going up between shell and the said pcb board, and the heat-conducting block between said lower casing and the said pcb board.
Preferably, in above-mentioned video camera heat abstractor, said heat-conducting block is specially the heat conduction aluminium block.
With respect to prior art, the technique effect of the utility model is:
The video camera heat abstractor that the utility model provides is used to the chip cooling that designs on pcb board, comprises shell, also comprises being arranged between the shell and edge and the contacted intermediate thermal conductivity plate of shell.The chip and the intermediate thermal conductivity plate that are arranged on the pcb board fit, and heat is transmitted on the intermediate thermal conductivity plate from chip, are transmitted on the contacted with it shell by the intermediate thermal conductivity plate again, are distributed at last in environment or other media.Therefore; The video camera heat abstractor that the utility model provides can guarantee that chip and housing contacts are good, thereby has reduced the thermal resistance of heat radiation; Effectively improve the heat dissipating state of prior art video camera heat abstractor, improved the stability of system and the serviceable life of chip.
In a kind of preferred embodiment of the utility model, also comprise the heat-conducting block that is arranged between shell and the pcb board, chip and last shell that this heat-conducting block will be arranged on the pcb board are connected; Heat as on the heat-conducting block, conducts to shell by heat-conducting block from the chip conduction again, is dispersed at last in environment and other media; It is thus clear that; In this embodiment, the chip that is arranged on the pcb board two sides all can dispel the heat, and has further improved the heat dissipating state of video camera heat abstractor in the prior art effectively.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art; To do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below; Obviously, the accompanying drawing in describing below only is the embodiment of the utility model, for those of ordinary skills; Under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to the accompanying drawing that provides.
Fig. 1 is the sectional view of the housing of video camera heat abstractor among a kind of embodiment of the utility model;
Fig. 2 is the sectional view of the housing of video camera heat abstractor among the another kind of embodiment of the utility model.
Use is concerned among the last figure between Reference numeral and the component names is:
Shell on 11; 12 lower casings; 13 sidewalls; The 2PCB plate; 3 chips; 4 intermediate thermal conductivity plates; 5 heat-conducting blocks.
Embodiment
The core of the utility model is to provide a kind of video camera heat abstractor, and the structural design of this video camera heat abstractor can effectively be improved the heat dissipating state of video camera, improves the stability of system and the serviceable life of chip.
In order to make those skilled in the art understand the technical scheme of the utility model better, the utility model is done further to specify below in conjunction with accompanying drawing and specific embodiment.
Please refer to Fig. 1, Fig. 1 is the sectional view of the housing of video camera heat abstractor among a kind of embodiment of the utility model.
Video camera heat abstractor as shown in the figure, that the utility model provides is used to chip 3 heat radiations that design on pcb board 2; Comprise shell; It is thus clear that shell is made up of last shell 11, lower casing 12 and sidewall 13, also comprises being arranged between the shell and edge and the contacted intermediate thermal conductivity plate 4 of shell.The chip 3 that is arranged on the pcb board 2 fits with intermediate thermal conductivity plate 4, and heat is transmitted on the intermediate thermal conductivity plate 4 from chip 3, is transmitted on the contacted with it shell by intermediate thermal conductivity plate 4 again, is distributed at last in environment or other media.Therefore; The video camera heat abstractor that the utility model provides owing in shell, be provided with the contacted with it intermediate thermal conductivity plate 4 in edge, has guaranteed that chip 3 and housing contacts are good; Thereby reduced the thermal resistance of heat radiation, effectively improved the heat dissipating state of prior art video camera.
Obviously, can also the sidewall 13 of above-mentioned intermediate thermal conductivity plate 4 and shell be made of one formula, thereby reduce heat effectively, further improve the heat dissipating state of video camera from the thermal resistance of middle heat-conducting plate 4 when the sidewall 13 of shell transmits.
Please refer to Fig. 2, Fig. 2 is the sectional view of the housing of video camera heat abstractor among the another kind of embodiment of the utility model.
As shown in Figure 2, pcb board 2 is attached at the upside of intermediate thermal conductivity plate 4, and also comprises the heat-conducting block 5 that is arranged between shell 11 and the pcb board 2; The chip 3 that this heat-conducting block 5 will be arranged on the pcb board 2 is connected with last shell 11, and heat as on the heat-conducting block 5, conducts to shell 11 by heat-conducting block 5 from chip 3 conduction again; Be dispersed at last in environment and other media; It is thus clear that in this embodiment, the chip that is arranged on pcb board 2 two sides all can dispel the heat; Arrow is represented the direction of transfer of heat among Fig. 2; The chip 3 that promptly is in the lower face of pcb board 2 conducts heat to sidewall 13 through intermediate thermal conductivity plate 4, and the chip 3 that is in the upper face of pcb board 2 passes through upwards shell 11 heat transfers of heat-conducting block 5, has improved the heat dissipating state of video camera in the prior art effectively.
In above embodiment; When only pcb board 2 being attached at the upside of intermediate thermal conductivity plate 4; The heat radiation situation of chip 3 has been carried out detailed introduction, obviously, and when pcb board 2 is sticked the downside of intermediate thermal conductivity plate 4; The heat radiation situation of its chip is the same; Promptly also include the heat-conducting block 5 that is arranged between lower casing 12 and the pcb board 2, the chip that is in the upper face of pcb board 2 this moment conducts heat to sidewall 13 through intermediate thermal conductivity plate 4, and the chip 3 that is in the lower face of pcb board 2 conducts heat to lower casing 12 through heat-conducting block 5.
Likewise, when pcb board 2 is two, and when being attached at the both sides up and down of intermediate thermal conductivity plate 4 respectively, can be between last shell 11 and pcb board 2, and between lower casing 12 and the pcb board 2 heat-conducting block 5 is set all.Be in two chips on the pcb board 2 and all can as the chip among above-mentioned two kinds of embodiment, realize the effective heat radiation of low thermal resistance.
Particularly, above-mentioned heat-conducting block 5 all can be the heat conduction aluminium block, because the aluminium block good heat-conducting, thereby further reduced thermal conduction resistance, improved heat dissipating state.
More than a kind of video camera heat abstractor that the utility model provided has been carried out detailed introduction.Used concrete example among this paper the principle and the embodiment of the utility model are set forth, the explanation of above embodiment just is used to help to understand the method and the core concept thereof of the utility model.Should be understood that; For those skilled in the art; Under the prerequisite that does not break away from the utility model principle, can also carry out some improvement and modification to the utility model, these improvement and modification also fall in the protection domain of the utility model claim.
Claims (9)
1. a video camera heat abstractor is used to chip (3) heat radiation that designs on pcb board (2), comprises shell, and said shell comprises shell (11), lower casing (12) and sidewall (13), it is characterized in that, also comprises:
Be arranged at the intermediate thermal conductivity plate (4) between the said shell, the edge of said intermediate thermal conductivity plate (4) contacts with said shell, and the side that said pcb board (2) has said chip (3) is attached on the said intermediate thermal conductivity plate (4).
2. video camera heat abstractor according to claim 1 is characterized in that, said intermediate thermal conductivity plate (4) is an integral structure with the sidewall (13) of said shell.
3. video camera heat abstractor according to claim 2 is characterized in that, said pcb board (2) is attached at the upside of said intermediate thermal conductivity plate (4).
4. video camera heat abstractor according to claim 3 is characterized in that, also comprises being arranged on the said heat-conducting block of going up between shell (11) and the said pcb board (2) (5).
5. video camera heat abstractor according to claim 2 is characterized in that, said pcb board (2) is attached at the downside of said intermediate thermal conductivity plate (4).
6. video camera heat abstractor according to claim 5 is characterized in that, also comprises the heat-conducting block (5) that is arranged between said lower casing (12) and the said pcb board (2).
7. video camera heat abstractor according to claim 2 is characterized in that, said pcb board (2) is two, and is attached at the both sides up and down of said intermediate thermal conductivity plate (4) respectively.
8. video camera heat abstractor according to claim 7 is characterized in that, also comprises being separately positioned on said going up between shell (11) and the said pcb board (2), and the heat-conducting block (5) between said lower casing (12) and the said pcb board (2).
9. according to claim 4,6 or 8 described video camera heat abstractors, it is characterized in that said heat-conducting block (5) is specially the heat conduction aluminium block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120523106.1U CN202421699U (en) | 2011-12-14 | 2011-12-14 | Heat radiating device of camera |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120523106.1U CN202421699U (en) | 2011-12-14 | 2011-12-14 | Heat radiating device of camera |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202421699U true CN202421699U (en) | 2012-09-05 |
Family
ID=46746444
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120523106.1U Expired - Fee Related CN202421699U (en) | 2011-12-14 | 2011-12-14 | Heat radiating device of camera |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202421699U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104580853A (en) * | 2014-12-22 | 2015-04-29 | 嘉兴百盛光电有限公司 | Camera |
| CN111083338A (en) * | 2019-12-31 | 2020-04-28 | 北京澎思科技有限公司 | Heat conduction support and electronic equipment |
-
2011
- 2011-12-14 CN CN201120523106.1U patent/CN202421699U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104580853A (en) * | 2014-12-22 | 2015-04-29 | 嘉兴百盛光电有限公司 | Camera |
| CN104580853B (en) * | 2014-12-22 | 2018-11-16 | 嘉兴百盛光电有限公司 | A kind of camera |
| CN111083338A (en) * | 2019-12-31 | 2020-04-28 | 北京澎思科技有限公司 | Heat conduction support and electronic equipment |
| CN111083338B (en) * | 2019-12-31 | 2021-08-31 | 北京澎思科技有限公司 | Heat conduction support and electronic equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120905 Termination date: 20201214 |