CN204086779U - A kind of video camera sunshading-radiating device and sunshade heat radiation video camera - Google Patents
A kind of video camera sunshading-radiating device and sunshade heat radiation video camera Download PDFInfo
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- CN204086779U CN204086779U CN201420538684.6U CN201420538684U CN204086779U CN 204086779 U CN204086779 U CN 204086779U CN 201420538684 U CN201420538684 U CN 201420538684U CN 204086779 U CN204086779 U CN 204086779U
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- video camera
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- sunshading
- heat
- radiating device
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- 238000010438 heat treatment Methods 0.000 claims abstract description 26
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- 238000010276 construction Methods 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 229910001092 metal group alloy Inorganic materials 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 3
- 238000009423 ventilation Methods 0.000 abstract description 5
- 238000012546 transfer Methods 0.000 description 19
- 230000000694 effects Effects 0.000 description 14
- 239000000047 product Substances 0.000 description 11
- 230000017525 heat dissipation Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 239000004519 grease Substances 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229920001296 polysiloxane Polymers 0.000 description 2
- 230000002269 spontaneous effect Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000001351 cycling effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
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- 239000003292 glue Substances 0.000 description 1
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- 230000003252 repetitive effect Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
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Abstract
The utility model relates to a kind of video camera sunshading-radiating device, comprise: be made up of Heat Conduction Material, inside has the housing of chip installing space, described inner walls is provided with boss, described hull outside is provided with shield plate, described shield plate is provided with multiple for making the through hole of shield plate inner air and outer air convection current.Video camera sunshading-radiating device of the present utility model eliminates the shield structure in traditional cameras, the guard shield of traditional cameras and shell unification is made to be housing, being contacted with boss by heating position is directly transferred on housing by heat, the cold air also defining housing both sides by arranging shield plate dexterously enters between shield plate and housing and from through hole and upwards flows out this cross-ventilation path, solar radiant heat is converted into the hot-air in video camera external environment condition and takes away heat.By arranging above-mentioned radiator structure thus providing the strong video camera sunshading-radiating device of a kind of heat-sinking capability under burning sun irradiates.
Description
Technical field
The utility model relates to a kind of video camera sunshading-radiating device and sunshade heat radiation video camera, belongs to the technical field of heat dissipation of security protection and monitoring product.
Background technology
At present, the efficiency of electronic product is turned over for every 18 months, and according to Moore's Law, efficiency increase means that the hear rate of electronic product also increases thereupon; Meanwhile, the physical dimension of electronic product is more and more less, and the heat flux that these two aspects result in unit volume is jointly increasing, and a difficult problem for system radiating is more and more outstanding.Because natural heat dissipation has the advantage such as noiselessness, energy-conserving and environment-protective, in security protection and monitoring series products, part adopts this kind of radiating mode at present.But because natural heat dissipation is limited in one's ability, constrain the development of this series products greatly.How to break through traditional natural heat dissipation mode, adopt brand-new natural heat dissipation theory, improve heat-sinking capability and become a current heat radiation difficult problem urgently to be resolved hurrily.
Have a class intelligent transportation video camera in security protection and monitoring trade, this series products is compared to products such as common camera, and Overall Power Consumption can reach more than 25W, and single body radiating difficulty is very big.Especially the working environment of this kind equipment is comparatively severe, usually road public security inspection socket place is positioned over, summer, extremely harsh operating ambient temperature may reach more than 50 DEG C, and stood the solar radiation of high temperature burning sun, and machine of the delaying phenomenon caused because of overheated happens occasionally.
In addition, the system integrator of this series products mostly just sells this monomer, cannot its assembling guard shield situation of management and control.Main manifestations is that guard shield size differs, and in some guard shield, some guard shield of configuration fan is then without any cooling measure, even if guard shield inside configuration fan, in order to satisfied heat radiation needs, the design of air channel, air quantity, blast is also very complicated.
Chinese patent literature CN203490451U discloses a kind of night viewing camera radiator structure, there is heat conduction boss enclosure interior is one-body molded, contacted by the heat-generating units of heat conduction boss with video camera inside, rely on the temperature difference between heat-generating units and housing, and the heat of heat-generating units is delivered to housing, then by housing by heat spreader in external environment condition.Use this radiator structure can reduce night viewing camera internal temperature, and design is relatively simple, does not need to consider air channel, air quantity and blast as traditional heat-dissipating structure.But when this video camera works under burning sun, housing irradiates by sunlight and heats up, once case temperature is too high, and is difficult to reach desirable radiating effect.
Utility model content
For this reason, technical problem to be solved in the utility model is the technical matters of the heat-sinking capability difference of video camera of the prior art under burning sun irradiates, thus provides the video camera sunshading-radiating device that a kind of heat-sinking capability under burning sun irradiates is strong.
Another technical matters to be solved in the utility model is the technical matters of the heat-sinking capability difference of video camera of the prior art under burning sun irradiates, thus provides the video camera that a kind of heat-sinking capability under burning sun irradiates is strong.
For solving the problems of the technologies described above, a kind of video camera sunshading-radiating device of the present utility model, comprise: be made up of Heat Conduction Material, inside has the housing of chip installing space, described inner walls be provided with corresponding to chip heating position for heat being delivered at least one boss on housing, the relative housing certain distance of described hull outside is provided with shield plate, described shield plate is provided with multiple for making the through hole of shield plate inner air and outer air convection current.
Video camera sunshading-radiating device of the present utility model, described boss is coated with insulated heat-conducting medium, and described insulated heat-conducting medium is between described boss and chip heating position.
Video camera sunshading-radiating device of the present utility model, described boss is together with described case bonding.
Video camera sunshading-radiating device of the present utility model, described Heat Conduction Material is solid metal, or metal alloy, or heat-conducting plastic.
Video camera sunshading-radiating device of the present utility model, described shield plate is " U " shape structure of simultaneously surrounding described housing two sides and end face, or for blocking the disk construction of described housing end face, or for blocking the L shape structure of described housing side and end face simultaneously.
Video camera sunshading-radiating device of the present utility model, the average vertical distance between described shield plate and described housing outer surface is not less than 3mm.
Video camera sunshading-radiating device of the present utility model, described through hole is evenly arranged on described shield plate.
Video camera sunshading-radiating device of the present utility model, described through hole is circular, or oval, or polygon.
In addition, the utility model also provides a kind of sunshade heat radiation video camera, has above-mentioned video camera sunshading-radiating device.
Technique scheme of the present utility model has the following advantages compared to existing technology:
(1) video camera sunshading-radiating device of the present utility model, by arrange be made up of Heat Conduction Material, inside has the housing of chip installing space, eliminates the shield structure in traditional cameras, make the guard shield of traditional cameras and shell unified be housing.On the one hand, the position corresponding with the heating position of chip of housing arranges boss, heating position contacts with boss and is directly transferred on housing by heat, certainly a small amount of heat is also had to carry out convection heat transfer by the air of enclosure interior, again by distribute heat in housing externally environment, the convection heat transfer' heat-transfer by convection of mainly spontaneous radiant heat transfer and surface of shell air.Direct conduction heat transfer highly shortened heat-transfer path, reduces thermal resistance, and conducts heat with air that to compare heat transfer with radiant heat transfer more rapid, improves radiating efficiency, makes the radiating effect of video camera better.On the other hand, the relative housing certain distance of hull outside is provided with the shield plate with through hole, make after dispensing the guard shield in traditional cameras, the sunshade function of shield plate Substitute For Partial guard shield, the heat radiation of solar irradiation to the video camera worked in high temperature environments can be avoided to have a negative impact, and the cost of product can also be reduced, facilitate installation and maintenance.In addition, the cold air also defining housing both sides by arranging shield plate dexterously enters between shield plate and housing and from through hole and upwards flows out this cross-ventilation path, solar radiant heat is converted into the hot-air in video camera external environment condition and takes away heat.The cold air of housing two side inflow can strengthen the convection heat transfer of housing, solar radiation is not almost had an impact to the heat radiation of video camera, and can improve the radiating effect of video camera further.
(2) video camera sunshading-radiating device of the present utility model, described boss is coated with insulated heat-conducting medium, and as heat-conducting silicone grease, insulated heat-conducting medium is filled between described boss and heating position.Insulated heat-conducting medium has good thermal conductivity, on the one hand, can fill the gap between boss and heating position, and the heat of heating position is delivered on boss well; On the other hand, make again to keep electrical isolation between boss and the heating position of chip, prevent electric leakage.In addition insulated heat-conducting medium can also play protection against the tide, dust-proof, anticorrosion, the effect such as shockproof.
(3) video camera sunshading-radiating device of the present utility model, because shield plate and housing outer surface can produce viscous effect to the flowing of air, by the vertical range being not less than 3mm will be arranged between shield plate and housing outer surface, make between shield plate and housing, to have enough passages and flow to complete air.
(4) video camera sunshading-radiating device of the present utility model, described through hole is circular, and the resistance of manhole to air is minimum, and the air be therefore more conducive between shield plate and housing flows out from through hole, make cross-ventilation more smooth and easy, improve radiating effect.
(5) sunshade heat radiation video camera of the present utility model, has above-mentioned video camera sunshading-radiating device, therefore has above-mentioned advantage.
Accompanying drawing explanation
In order to make content of the present utility model be more likely to be clearly understood, below according to specific embodiment of the utility model also by reference to the accompanying drawings, the utility model is described in further detail, wherein
Fig. 1 is the structural representation of the utility model embodiment 1 video camera sunshading-radiating device;
Fig. 2 is the radiating principle figure of the utility model embodiment 1 video camera sunshading-radiating device;
Fig. 3 is the air circulation figure of the utility model embodiment 1 video camera sunshading-radiating device shield panel area in calm or that wind speed is very little environment;
Fig. 4 is that the utility model embodiment 1 video camera sunshading-radiating device is having the air circulation figure of shield panel area in wind environment;
Fig. 5 is the enlarged drawing at A-A position in Fig. 3;
Fig. 6 is the distribution situation schematic diagram of the through hole on the utility model embodiment 1 shield plate;
Fig. 7 is the schematic shapes of the utility model embodiment 1 boss.
In figure, Reference numeral is expressed as: 1-housing, 11-boss; 2-shield plate, 21-through hole; 3-chip, 31-heating position; 4-insulated heat-conducting medium.
Embodiment
In order to there be understanding clearly to technical characteristic of the present utility model, object and effect, now contrast accompanying drawing and embodiment of the present utility model is described.
Embodiment 1
The present embodiment provides a kind of video camera sunshading-radiating device, as shown in Figure 1, comprise: be made up of Heat Conduction Material, inside has the housing 1 of chip installing space, described housing 1 inwall be provided with corresponding to chip heating position for heat being delivered at least one boss 11 on housing 1, outside described housing 1, relative housing 1 certain distance is provided with shield plate 2, described shield plate 2 is provided with multiple for making the through hole 21 of shield plate 2 inner air and outer air convection current.
The video camera sunshading-radiating device of the present embodiment, by arrange be made up of Heat Conduction Material, inside has the housing 1 of chip installing space, eliminates the shield structure in traditional cameras, make the guard shield of traditional cameras and shell unified be housing 1.As shown in Figure 2, on the one hand, the position that the heating position 31 of chip 3 is corresponding arranges boss 11, heating position 31 contacts with boss and is directly transferred to by heat on housing 1, certainly a small amount of heat is also had to carry out convection heat transfer by the air of enclosure interior, again by distribute heat in housing 1 externally environment, the convection heat transfer' heat-transfer by convection of mainly spontaneous radiant heat transfer and housing 1 superficial air.Direct conduction heat transfer highly shortened heat-transfer path, reduces thermal resistance, and conducts heat with air that to compare heat transfer with radiant heat transfer more rapid, improves radiating efficiency, makes the radiating effect of video camera better.On the other hand, outside housing 1, relative housing 1 certain distance is provided with the shield plate 2 with through hole 21, make after dispensing the guard shield in traditional cameras, the sunshade function of shield plate 2 Substitute For Partial guard shield, thus eliminate the unfavorable effect of guard shield for heat transfer, and the cost of product can also be reduced, facilitate installation and maintenance.
In addition, solar radiant heat must be converted into the hot-air in video camera external environment condition and take away heat by shield plate 2 is also ingenious.Be specially, as Fig. 3, shown in Fig. 5, for the distribution channel of air during windless condition, when shining upon shield plate 2, the temperature of shield plate 2 raises, make the temperature of shield plate 2 higher than the temperature of shield plate 2 surrounding air, air between shield plate 2 and housing 1 is heated, temperature raises, and density diminishes, moved upward by through hole 21 under buoyancy lift effect, arrive the top of shield plate 2, make to form negative pressure between shield plate 2 and housing 1, the cold air of housing 1 both sides will supplement and to enter between shield plate 2 and housing 1 and again to be heated, the continuous repetitive cycling of this process carries out formation cross-ventilation.The cold air of housing 1 liang of side inflow can strengthen the convection heat transfer of housing 1, solar radiation is not almost had an impact to the heat radiation of video camera, and can improve the radiating effect of video camera further.As Fig. 4 do wind (wind direction be from figure right side to left side) state time the distribution channel of air, the air between shield plate 2 and housing 1, except can moving upward, can also flow out in left side from figure.
It is pointed out that the shape of shell 1 is generally square, but according to customer demand, also can make cylindrical shape or other shape.
The video camera sunshading-radiating device of the present embodiment, described boss 11 can be arranged on the optional position of housing 1 inwall, on such as roof, diapire and sidewall, setting position is relevant with the position of the heating position 31 of chip 3, need ensure that boss 11 contacts with heating position 31.In addition, the shape of boss 11, quantity and distribution are also relevant with the shape of heating position 31, quantity, distribution.Usual heating position 31 correspondence arranges a boss 11, however when plural heating position closely time, boss 11 also only can be set and contact with these heating positions simultaneously.Fig. 7 is the shape of several frequently seen boss 11, can be rectangle, square, L shape etc.
The video camera sunshading-radiating device of the present embodiment, described boss 11 is coated with insulated heat-conducting medium 4, and as heat-conducting silicone grease, insulated heat-conducting medium 4 is filled between described boss 11 and heating position 31.Insulated heat-conducting medium 4 has good thermal conductivity, on the one hand, can fill the gap between boss 11 and heating position 31, enables the heat of heating position 31 be delivered on boss 11 well; On the other hand, make again to keep electrical isolation between the heating position 31 of boss 11 and chip 3, prevent electric leakage.In addition insulated heat-conducting medium 4 can also play protection against the tide, dust-proof, anticorrosion, the effect such as shockproof.
The video camera sunshading-radiating device of the present embodiment, described boss 11 bonds together with described housing 1.Described housing 1 is after machine-shaping and without boss 11, but when needs chip 3, according to the position of heating position 31, highly, area etc. selects boss 11, bonded on described housing 1 inwall by suitable boss 11 by glue.This mobilizable set-up mode, is very easy to the installation of video camera, and improves the adaptability of camera housing body.
The video camera sunshading-radiating device of the present embodiment, is made by Heat Conduction Material, and described Heat Conduction Material is solid metal, and certainly, those skilled in the art are easy to expect that the Heat Conduction Material such as metal alloy or heat-conducting plastic also can as the making material of housing 1.
The video camera sunshading-radiating device of the present embodiment, described shield plate 2 is for blocking the disk construction of described housing 1 end face.The shape of described shield plate 2, can keep the sun off thus make housing 1 avoid being subject to the direct irradiation of sunlight for major consideration.According to the geographical environment that video camera is arranged, from cost-effective angle, when solar ray energy is irradiated to described housing 1 two sides and end face, described shield plate 2 should be set to " U " shape structure of simultaneously surrounding described housing 1 two sides and end face.When solar ray energy is irradiated to described housing 1 one sides and end face, described shield plate 2 should be set to the L shape structure simultaneously blocking described housing 1 one sides and end face.
The video camera sunshading-radiating device of the present embodiment, the average vertical distance between described shield plate 2 and described housing 1 outside surface is not less than 3mm.
Because shield plate 2 and housing 1 outside surface can produce viscous effect to the flowing of air, by arranging between shield plate 2 and housing 1 outside surface the vertical range being not less than 3mm, making between shield plate 2 and housing 1, to have enough passages and flowing to complete air.
The video camera sunshading-radiating device of the present embodiment, as shown in Figure 6, described through hole 21 is circular, and be evenly arranged on described shield plate 21, the resistance of manhole to air is minimum, and the air be therefore more conducive between shield plate 2 and housing 1 flows out from through hole 21, makes cross-ventilation more smooth and easy, improve radiating effect, manhole shape is the shape of preferred through hole 21.The shape of certain described through hole 21 also can be oval, or polygon (triangle, quadrilateral, pentagon etc.), also can be uneven setting.
Embodiment 2
The present embodiment provides a kind of sunshade heat radiation video camera, has video camera sunshading-radiating device as described in Example 1.
Obviously, above-described embodiment is only for clearly example being described, the restriction not to embodiment.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without the need to also giving all embodiments.And thus the apparent change of extending out or variation be still among the protection domain that the utility model creates.
Claims (9)
1. a video camera sunshading-radiating device, it is characterized in that, comprise: be made up of Heat Conduction Material, inside has the housing (1) of chip installing space, described housing (1) inwall be provided with corresponding to chip heating position for heat being delivered at least one boss (11) on housing (1), described housing (1) outside relatively housing (1) certain distance is provided with shield plate (2), described shield plate (2) is provided with multiple for making the through hole (21) of shield plate (2) inner air and outer air convection current.
2. video camera sunshading-radiating device according to claim 1, it is characterized in that, described boss (11) is coated with insulated heat-conducting medium (4), described insulated heat-conducting medium (4) is positioned between described boss (11) and chip heating position.
3. video camera sunshading-radiating device according to claim 1, is characterized in that, described boss (11) and described housing (1) bond together.
4. the video camera sunshading-radiating device according to any one of claim 1-3, is characterized in that, described Heat Conduction Material is solid metal, or metal alloy, or heat-conducting plastic.
5. the video camera sunshading-radiating device according to any one of claim 1-3, it is characterized in that, described shield plate (2) is the inverted U-shaped of simultaneously surrounding described housing (1) two sides and end face, or for blocking the disk construction of described housing (1) end face, or for blocking the L shape structure of described housing (1) side and end face simultaneously.
6. the video camera sunshading-radiating device according to any one of claim 1-3, is characterized in that, the average vertical distance between described shield plate (2) and described housing (1) outside surface is not less than 3mm.
7. the video camera sunshading-radiating device according to any one of claim 1-3, is characterized in that, described through hole (21) is evenly arranged on described shield plate (21).
8. video camera sunshading-radiating device according to claim 7, is characterized in that, described through hole (21) is circular, or oval, or polygon.
9. a sunshade heat radiation video camera, is characterized in that having the video camera sunshading-radiating device according to any one of claim 1-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420538684.6U CN204086779U (en) | 2014-09-18 | 2014-09-18 | A kind of video camera sunshading-radiating device and sunshade heat radiation video camera |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420538684.6U CN204086779U (en) | 2014-09-18 | 2014-09-18 | A kind of video camera sunshading-radiating device and sunshade heat radiation video camera |
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| CN204086779U true CN204086779U (en) | 2015-01-07 |
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| CN201420538684.6U Expired - Lifetime CN204086779U (en) | 2014-09-18 | 2014-09-18 | A kind of video camera sunshading-radiating device and sunshade heat radiation video camera |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106254732A (en) * | 2016-07-29 | 2016-12-21 | 浙江大学 | A kind of heat dissipation of surveillance camera method based on hot pressing effect and structure |
| CN109343297A (en) * | 2018-10-25 | 2019-02-15 | 中国科学院西安光学精密机械研究所 | Passive thermal control type lunar surface camera and imaging method |
| WO2019136170A1 (en) * | 2018-01-05 | 2019-07-11 | Cimcon Lighting, Inc. | Configurable data center platform |
| CN112154374A (en) * | 2019-11-25 | 2020-12-29 | 深圳市大疆创新科技有限公司 | Camera heat dissipation shell, camera heat dissipation accessory and camera |
| CN114157781A (en) * | 2021-11-16 | 2022-03-08 | 杭州海康威视数字技术股份有限公司 | Video camera |
| US11606876B2 (en) | 2016-05-19 | 2023-03-14 | Cimcon Lighting, Inc. | Configurable data center platform |
-
2014
- 2014-09-18 CN CN201420538684.6U patent/CN204086779U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11606876B2 (en) | 2016-05-19 | 2023-03-14 | Cimcon Lighting, Inc. | Configurable data center platform |
| CN106254732A (en) * | 2016-07-29 | 2016-12-21 | 浙江大学 | A kind of heat dissipation of surveillance camera method based on hot pressing effect and structure |
| CN106254732B (en) * | 2016-07-29 | 2018-12-07 | 浙江大学 | A kind of heat dissipation of surveillance camera method and structure based on hot pressing effect |
| WO2019136170A1 (en) * | 2018-01-05 | 2019-07-11 | Cimcon Lighting, Inc. | Configurable data center platform |
| CN109343297A (en) * | 2018-10-25 | 2019-02-15 | 中国科学院西安光学精密机械研究所 | Passive thermal control type lunar surface camera and imaging method |
| CN112154374A (en) * | 2019-11-25 | 2020-12-29 | 深圳市大疆创新科技有限公司 | Camera heat dissipation shell, camera heat dissipation accessory and camera |
| CN114157781A (en) * | 2021-11-16 | 2022-03-08 | 杭州海康威视数字技术股份有限公司 | Video camera |
| CN114157781B (en) * | 2021-11-16 | 2024-03-01 | 杭州海康威视数字技术股份有限公司 | Video camera |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
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Granted publication date: 20150107 |