CN217694124U - Liquid cooling circulation loop cooling system - Google Patents
Liquid cooling circulation loop cooling system Download PDFInfo
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- CN217694124U CN217694124U CN202220985507.7U CN202220985507U CN217694124U CN 217694124 U CN217694124 U CN 217694124U CN 202220985507 U CN202220985507 U CN 202220985507U CN 217694124 U CN217694124 U CN 217694124U
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Abstract
The utility model discloses a liquid cooling circulation circuit cooling system, the heat dissipation of mainly used explosion-proof anticorrosive camera cloud platform is particularly useful for the heat dissipation of marine surveillance camera cloud platform. The heat dissipation system comprises a holder explosion-proof cylinder body, an outlet finned tube, an inlet finned tube and a circulating pump, wherein two ends of the outlet finned tube and two ends of the inlet finned tube are respectively connected with the holder explosion-proof cylinder body and the circulating pump; the outlet finned tube and the inlet finned tube are both arranged perpendicular to the ground. The utility model provides a liquid cooling circulation circuit cooling system, when guaranteeing camera and camera outer liquid cooling system part to satisfy explosion-proof anticorrosion, can be continuous, efficient, self-adaptation, automatic, energy-conserving with camera system in the heat dispel the environment, the temperature difference of camera inside components and external environment is reduced to the maximum limit; the camera with the heat dissipation function can be suitable for camera use scenes with different overall dimensions and heat dissipation power.
Description
Technical Field
The utility model relates to a cooling system technical field especially relates to a liquid cooling circulation circuit cooling system.
Background
The marine monitoring camera cloud platform has the requirements of explosion prevention and salt mist corrosion prevention. A plurality of heat sources exist in the camera, for example, in order to improve the imaging precision of the camera, a refrigerator is generally required to be arranged to reduce the temperature of a camera lens; in addition, each control chip generates heat greatly, and these parts that generate heat lead to the camera whole body inside generate heat power greatly, and for explosion-proof anticorrosive requirement, the camera is whole to be arranged in the confined barrel, and can't carry out operations such as welding to the barrel, therefore the heat dissipation degree of difficulty is very big. The heat dissipation method of the camera mainly comprises water cooling, air cooling, semiconductor refrigeration and the like. The air-cooled heat dissipation system needs to suck external air, and the fan blades rotating at high speed are directly exposed in the external environment, so that the explosion-proof requirement is difficult to meet. The semiconductor refrigeration is greatly limited by power factors, COP of semiconductor refrigeration sheets in the market is generally below 50%, and the heating value of the semiconductor refrigeration sheets is multiplied along with the increase of the refrigeration capacity, so that the semiconductor refrigeration sheets are not suitable for the marine monitoring camera pan-tilt. The traditional water cooling device is large in size, and the reason is that the traditional water cooling device adopts a water cooler for refrigeration, although the whole camera can be cooled to a lower temperature, the water cooler is large in size and inconvenient to arrange, and the requirement of long-time operation is difficult to meet, so that the traditional water cooling mode is not suitable for a marine monitoring camera holder. In addition, if the cooling system cold junction design is unreasonable, still can cause the cold junction to frost, the camera receives damp scheduling problem, influences camera normal operating.
In the field of platforms requiring explosion protection and corrosion prevention, a heat dissipation system which has heat dissipation capability and economy and can meet different heat transfer requirements is urgently needed.
Disclosure of Invention
In view of the above-mentioned defect of prior art, the utility model provides a liquid cooling circulation circuit cooling system to solve current marine surveillance camera platform cooling system bulky, difficult long-time moving problem.
The utility model discloses a liquid cooling circulation circuit cooling system, including the explosion-proof section of thick bamboo body of cloud platform, export finned tube, entry finned tube, circulating pump, export finned tube, the explosion-proof section of thick bamboo body of cloud platform and circulating pump are connected respectively to entry finned tube both ends; the outlet finned tube and the inlet finned tube are both arranged perpendicular to the ground.
Further, the holder explosion-proof cylinder body comprises a front cover plate, a camera assembly, a chip assembly, a refrigerator, an installation base, a liquid cooling plate and an explosion-proof rear cover, wherein the cylinder body and the explosion-proof rear cover are connected with a pipeline; the anti-explosion barrel comprises a barrel body, a front cover plate, an anti-explosion rear cover and a bolt, wherein the two ends of the barrel body are respectively connected with the front cover plate and the anti-explosion rear cover; the mounting base is arranged in the barrel body, the camera assembly, the chip assembly and the refrigerator are sequentially mounted above the mounting base through threads, the liquid cooling plate is mounted below the mounting base through threads, and one end of the liquid cooling plate is welded and fixed on the inner side of the explosion-proof rear cover; one end of the connecting pipeline of the explosion-proof rear cover is welded and fixed on the outer side of the explosion-proof rear cover and is positioned at the same horizontal position with the liquid cooling plate, and the other end of the connecting pipeline of the explosion-proof rear cover is connected with the outlet finned tube and the inlet finned tube through self-sealing joints.
Further, a heat conducting material is arranged among the chip assembly, the refrigerator and the mounting base.
Further, a heat conduction material is arranged between the liquid cooling plate and the mounting base.
Furthermore, a sensor is connected to the side surface of the refrigerator, and a heat insulating material is arranged between the refrigerator and the sensor.
Further, the liquid cooling plate comprises a liquid cooling plate upper cover plate, a liquid cooling plate lower cover plate and a liquid cooling plate embedded pipe; the liquid cooling plate embedded pipe is arranged between the liquid cooling plate upper cover plate and the liquid cooling plate lower cover plate; the liquid cooling plate upper cover plate and the liquid cooling plate lower cover plate are respectively provided with a channel with the same shape as the upper surface and the lower surface of the embedded pipe of the liquid cooling plate; the liquid cooling plate embedded pipe is welded with the liquid cooling plate upper cover plate; the liquid cooling plate lower cover plate is attached to the liquid cooling plate upper cover plate through a heat conduction material and is fastened through bolts.
Further, the outlet fin and the inlet finned tube comprise circular ring fins which are connected in a welded mode.
Further, the surface of the fin is provided with a nickel layer with the thickness of 0.05mm
Furthermore, the surface of the holder explosion-proof cylinder body is provided with a nickel layer with the thickness of 0.5mm or a gold layer with the thickness of 0.05 mm.
Further, the holder explosion-proof cylinder body is filled with nitrogen with the pressure of 1 bar.
Compared with the prior art, the beneficial effects of the utility model reside in that: the utility model provides a liquid cooling circulation circuit cooling system, when guaranteeing camera and camera outer liquid cooling system part to satisfy explosion-proof anticorrosion, can be continuous, efficient, self-adaptation, automatic, energy-conserving with camera system in the heat dispel the environment, the temperature difference of camera inside components and external environment is reduced to the maximum limit; the camera with the heat dissipation function can be suitable for camera use scenes with different overall dimensions and heat dissipation power.
The conception, the specific structure and the technical effects of the present invention will be further described with reference to the accompanying drawings, so as to fully understand the objects, the features and the effects of the present invention.
Drawings
Fig. 1 is a schematic structural diagram of a heat dissipation system of the present invention;
fig. 2 is a schematic structural diagram of a holder explosion-proof cylinder body in the heat dissipation system of fig. 1;
FIG. 3 is a schematic view of a portion of the liquid cooling plate in the anti-explosion cartridge body of the holder of FIG. 2;
fig. 4 is another structural schematic diagram of a part of a liquid-cooling plate in the anti-explosion cylinder body of the holder in fig. 2;
fig. 5 is a simulated temperature field profile of the heat dissipation system of a preferred embodiment of the present invention.
Detailed Description
The technical contents of the preferred embodiments of the present invention will be more clearly understood and appreciated by referring to the drawings attached to the specification. The present invention may be embodied in many different forms of embodiments, and the scope of the invention is not limited to the embodiments described herein.
In the drawings, structurally identical elements are represented by like reference numerals, and structurally or functionally similar elements are represented by like reference numerals throughout the several views. The size and thickness of each component shown in the drawings are arbitrarily illustrated, and the present invention is not limited to the size and thickness of each component. The thickness of the components may be exaggerated where appropriate in the figures to improve clarity.
With reference to fig. 1 to 4, the heat dissipation system provided by the present invention comprises a holder explosion-proof cylinder body 1, an outlet finned tube 2, an inlet finned tube 3, and a circulating pump 4, wherein both ends of the outlet finned tube 2 and the inlet finned tube 3 are respectively connected to the holder explosion-proof cylinder body 1 and the circulating pump 4, and the outlet finned tube 2 and the inlet finned tube 3 are both arranged perpendicular to the ground; preferably, the holder explosion-proof cylinder body is made of stainless steel materials and has good heat conduction capability and explosion-proof performance, and a nickel layer with the thickness of 0.5mm or a gold layer with the thickness of 0.05mm is arranged on the surface of the explosion-proof cylinder body and is used for insulating the direct solar radiation heat and strengthening the heat exchange between the cylinder body and the environment; the nitrogen gas with the pressure of 1bar is filled in the holder anti-explosion cylinder body, so that the possibility of oxidation explosion in the cylinder is prevented, and the aging fault of the circuit board caused by long-term oxidation can be inhibited. The outlet finned tube 2 and the inlet finned tube 3 comprise circular ring fins which are connected in a welded mode, specifically, the outlet finned tube 2 and the inlet finned tube 3 are formed by welding circular ring fins, and preferably, a nickel layer with the thickness of 0.05mm is arranged on the surfaces of the circular ring fins and used for corrosion resistance.
The holder explosion-proof cylinder body comprises a front cover plate 101, a camera assembly 102, a chip assembly 103, a refrigerator 104, a mounting base 105, a liquid cooling plate 106, an explosion-proof rear cover 107, a cylinder body 108 and an explosion-proof rear cover connecting pipeline 109; the two ends of the cylinder body 108 are respectively connected with the front cover plate 101 and the explosion-proof rear cover 107, the cylinder body 108 and the front cover plate 101 are of an integrated structure, and the cylinder body 108 and the explosion-proof rear cover 107 are fixedly connected through bolts; the mounting base 105 is arranged in the cylinder body 108, the camera assembly 102, the chip assembly 103 and the refrigerator 104 are sequentially mounted above the mounting base 105 through threads, the side surface of the refrigerator 104 is also connected with a sensor 110, and the sensor 110 is connected with a power signal of the refrigerator 104 and used for adjusting the opening of the circulating pump 4 according to the measured power change of the refrigerator 104; preferably, a heat conducting material is arranged between the chip assembly 103, the refrigerator 104 and the mounting base 105, a heat conducting material is arranged between the liquid cooling plate 106 and the mounting base 105, and a heat insulating material is arranged between the refrigerator 104 and the sensor 110, more preferably, the heat conducting material has a heat conductivity coefficient larger than 6W/m.k, such as a graphene sheet, so as to reduce contact heat resistance, and the heat conducting material has a heat conductivity coefficient smaller than 1W/m.k, so as to prevent local overheating from influencing the operation of the assembly. A liquid cooling plate 106 is installed below the installation base 105 through threads, and one end of the liquid cooling plate 106 is welded and fixed on the inner side of the anti-explosion rear cover 107; one end of the explosion-proof rear cover connecting pipeline 109 is welded and fixed on the outer side of the explosion-proof rear cover 107 and is in the same horizontal position with the liquid cooling plate 106, and the other end is connected with the outlet finned tube 2 and the inlet finned tube 3 through self-sealing joints.
The liquid cooling plate 106 comprises a liquid cooling plate upper cover plate 1061, a liquid cooling plate lower cover plate 1062 and a liquid cooling plate embedded pipe 1063; the liquid cooling plate embedded pipe 1063 is arranged between the liquid cooling plate upper cover plate 1061 and the liquid cooling plate lower cover plate 1062; the upper liquid-cooling plate cover plate 1061 and the lower liquid-cooling plate cover plate 1062 are respectively provided with a channel with the same shape as the upper surface and the lower surface of the embedded pipe 1063 of the liquid-cooling plate; the liquid cooling plate embedded pipe 1063 is connected with the liquid cooling plate upper cover plate 1061 in a welding manner; the liquid cooling plate lower cover plate 1062 is attached to the liquid cooling plate upper cover plate 1061 through a heat conductive material and fastened by bolts. Preferably, the liquid cooling plate 106 is made of any one of aluminum, aluminum alloy, copper and copper alloy.
Specifically, the liquid cooling plate 106, the explosion-proof rear cover connecting pipeline 109, the outlet finned tube 2 and the inlet finned tube 3 are filled with refrigerant liquid, the refrigerant liquid can flow in the liquid cooling plate 106, the explosion-proof rear cover connecting pipeline 109, the outlet finned tube 2 and the inlet finned tube 3 through the circulating pump 4, and preferably, the refrigerant liquid is a nonflammable and explosible solution with high thermal conductivity and thermal diffusivity, such as perfluorotriethylamine or an ethylene glycol aqueous solution.
In the liquid cooling circulation loop heat dissipation system of the embodiment, heat transfer is mainly carried out in two steps, one step is to lead heat out of a camera, reduce the overall temperature in a cylinder and ensure the efficient operation of components; and the other is to dissipate the conducted heat more quickly and more to the environment. In the holder explosion-proof cylinder body 1, heat is guided into the mounting base 105 from the chip assembly 103 and the refrigerator 104, then guided into the liquid cooling plate 106 from the mounting base 105, guided into the refrigerant liquid from the liquid cooling plate 106, and then guided to the outlet finned tubes 2 and the inlet finned tubes 3 from the refrigerant liquid through the explosion-proof rear cover connecting pipelines 109. In the outlet finned tube 2 and the inlet finned tube 3, heat is conducted to the fins by the refrigerant fluid and then conducted to the ambient air by the fins.
Fig. 5 is a simulated temperature field distribution of the heat dissipation system according to a preferred embodiment of the present invention, wherein the simulated temperature field distribution is an equivalent model, and the upper curved pipeline is simulated by embedding a pipe portion into the liquid cooling plate, so as to apply a thermal power of 200W to the pipe portion; the middle part is simulated to be an outlet finned tube 2 and an inlet finned tube 3, and natural convection with ambient air is realized; the lower part imparts a circulation power of 10Kpa to simulate the action of a circulation pump. As can be seen from fig. 5, the temperature difference in the liquid cooling circulation flow path is less than 1k, and the liquid cooling circulation system can still maintain excellent performance under the conditions of high thermal power and low circulation pressure, so that the liquid cooling circulation loop heat dissipation system can still meet the heat dissipation requirements even if the thermal power is increased or the length of the finned tube is shortened. In addition, the smaller lift requirement can also promote the miniaturization and the light weight of the circulating pump, and the convenience of the overall arrangement of the system is improved. To sum up, the utility model discloses a heat dissipation circulation system can last, efficient, self-adaptation, automatic, energy-conserving with camera system in the heat dispel to the environment, reduce the difference in temperature of explosion-proof barrel inside and ambient temperature.
The foregoing has described in detail preferred embodiments of the present invention. It should be understood that numerous modifications and variations could be devised by those skilled in the art without the use of inventive faculty. Therefore, the technical solutions that can be obtained by a person skilled in the art through logic analysis, reasoning or limited experiments based on the prior art according to the concepts of the present invention should be within the scope of protection defined by the claims.
Claims (10)
1. A liquid cooling circulation loop heat dissipation system is characterized by comprising a holder explosion-proof cylinder body, an outlet finned tube, an inlet finned tube and a circulating pump, wherein two ends of the outlet finned tube and two ends of the inlet finned tube are respectively connected with the holder explosion-proof cylinder body and the circulating pump; the outlet finned tube and the inlet finned tube are both arranged perpendicular to the ground.
2. The liquid cooling circulation loop heat dissipation system of claim 1, wherein the pan/tilt/zoom barrel body comprises a front cover plate, a camera assembly, a chip assembly, a refrigerator, a mounting base, a liquid cooling plate, an anti-explosion rear cover, a barrel body, and an anti-explosion rear cover connecting pipeline; the anti-explosion barrel comprises a barrel body, a front cover plate, an anti-explosion rear cover and a bolt, wherein the two ends of the barrel body are respectively connected with the front cover plate and the anti-explosion rear cover; the mounting base is arranged in the barrel body, the camera assembly, the chip assembly and the refrigerator are sequentially mounted above the mounting base through threads, the liquid cooling plate is mounted below the mounting base through threads, and one end of the liquid cooling plate is welded and fixed on the inner side of the anti-explosion rear cover; one end of the connecting pipeline of the explosion-proof rear cover is fixed on the outer side of the explosion-proof rear cover in a welding mode and is located at the same horizontal position with the liquid cooling plate, and the other end of the connecting pipeline of the explosion-proof rear cover is connected with the outlet finned tube and the inlet finned tube through self-sealing joints.
3. The liquid-cooled circulating loop heat dissipating system of claim 2, wherein a thermally conductive material is disposed between said chip assembly, said chiller, and said mounting base.
4. The liquid cooled hydronic loop heat removal system of claim 2, wherein a thermally conductive material is disposed between said liquid cooled plate and said mounting base.
5. The liquid cooling circulation loop heat removal system of claim 2, wherein a sensor is further coupled to a side of the refrigerator, and a thermal insulator is disposed between the refrigerator and the sensor.
6. The liquid-cooled circulation loop heat removal system of claim 2, wherein the liquid-cooled plate comprises an upper liquid-cooled plate cover plate, a lower liquid-cooled plate cover plate, and an embedded liquid-cooled plate tube; the liquid cooling plate embedded pipe is arranged between the liquid cooling plate upper cover plate and the liquid cooling plate lower cover plate; the liquid cooling plate upper cover plate and the liquid cooling plate lower cover plate are respectively provided with a channel with the same shape as the upper surface and the lower surface of the embedded pipe of the liquid cooling plate; the liquid cooling plate embedded pipe is connected with the liquid cooling plate upper cover plate in a welding manner; the liquid cooling plate lower cover plate is attached to the liquid cooling plate upper cover plate through a heat conduction material and is fastened through bolts.
7. The liquid cooling circulation loop heat removal system of claim 1, wherein said outlet fins and said inlet finned tubes comprise welded-on circular ring fins.
8. The liquid-cooled circulation loop heat removal system of claim 7, wherein said fin surfaces are provided with a 0.05mm thick nickel layer.
9. The liquid cooling circulation loop heat dissipation system of claim 1, wherein the surface of the holder explosion-proof cylinder body is provided with a 0.5mm thick nickel layer or a 0.05mm thick gold layer.
10. The liquid cooling circulation loop heat removal system of claim 1, wherein the holder explosion proof cylinder body is filled with nitrogen gas at a pressure of 1 bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220985507.7U CN217694124U (en) | 2022-04-24 | 2022-04-24 | Liquid cooling circulation loop cooling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220985507.7U CN217694124U (en) | 2022-04-24 | 2022-04-24 | Liquid cooling circulation loop cooling system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217694124U true CN217694124U (en) | 2022-10-28 |
Family
ID=83734797
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220985507.7U Active CN217694124U (en) | 2022-04-24 | 2022-04-24 | Liquid cooling circulation loop cooling system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217694124U (en) |
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2022
- 2022-04-24 CN CN202220985507.7U patent/CN217694124U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: Building 16, Zilang Technology City, No. 60 Chongzhou Avenue, Innovation Zone, Nantong City, Jiangsu Province, 226009 Patentee after: Nantong Yangtze River Delta Intelligent Perception Research Institute Country or region after: China Address before: Building 16, Zilang Technology City, No. 60 Chongzhou Avenue, Innovation Zone, Nantong City, Jiangsu Province, 226009 Patentee before: Nantong Institute of intelligent perception Country or region before: China |
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| CP03 | Change of name, title or address |