CN201653208U - Complementary type heat pipe heat exchange system - Google Patents
Complementary type heat pipe heat exchange system Download PDFInfo
- Publication number
- CN201653208U CN201653208U CN 200920295075 CN200920295075U CN201653208U CN 201653208 U CN201653208 U CN 201653208U CN 200920295075 CN200920295075 CN 200920295075 CN 200920295075 U CN200920295075 U CN 200920295075U CN 201653208 U CN201653208 U CN 201653208U
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- water tank
- heat pipe
- heat
- water
- pipe
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D15/00—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies
- F28D15/02—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes
- F28D15/0275—Arrangements for coupling heat-pipes together or with other structures, e.g. with base blocks; Heat pipe cores
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
The utility model discloses a complementary type heat pipe heat exchange system which comprises a heat pipe bundle formed by a plurality of long and thin heat pipes; an evaporation section and a condensation section of each heat pipe are respectively positioned inside and outside a base station cabin body which is externally provided with a water tank; the water tank is internally filled with water and is provided with a water tank cooling device formed by a plurality of heat pipes; the water tank is also connected with a water circulation cooling device which comprises an underground water tank buried in the ground, a water inlet pipe, a drain pipe and a water pump; and when the water tank cooling device does not meet the heat dissipation demand, the water circulation cooling device is started, and the water in the underground water tank is pumped into the water tank for cooling the water tank, so that the water tank cooling device and the water circulation cooling device exert complementary function, and heat dissipation of a base station is fully guaranteed.
Description
Technical field
The utility model relates to a kind of heat-exchange system that is used for communication base station, particularly relates to a kind ofly utilizing heat pipe to carry out the Rapid Thermal transmission and in conjunction with the radiating efficiency height of water tank cold-storage, fireballing heat-exchange system.
Background technology
In existing machine room or communication base station square compartment heat radiating device, modal is to utilize air-conditioning to carry out temperature control, realizes the transfer of heat.Use vapor-compression refrigerant cycle, heat of vaporization in the evaporimeter that the cold-producing medium process is indoor, absorption chamber, the back is compressed by compressor, and release heat in outdoor condenser enters evaporimeter by throttling arrangement more then, circulates, and reaches the effect of transfer of heat.And the problem that this refrigerating plant exists is to consume energy greatly, structure relative complex, and price height; maintenance workload is more, just can not freeze in case have a power failure, and has influenced the heat radiation of communication machine room; and the cold-producing medium that uses mostly is freon at present, and is influential to environmental protection.
Heat pipe is a kind of heat transfer element with high thermal conductivity, its evaporation by liquid refrigerant in the Totally enclosed vacuum shell is transmitted heat with condensing, but multiple advantage such as the heat transfer area with high thermal conductivity, good isothermal, cold and hot both sides can change arbitrarily that remotely transferring, temperature controllable, drag losses are little, compact conformation, reliable operation and maintenance cost are few.In existing machine room or base station square compartment, adopt heat pipe as heat exchanger usually, the evaporator section of heat pipe places indoor, and condensation segment places outdoor, and evaporator section is in order to heat in the absorption chamber and then conduct the outer condensation segment of machine room, reaches the effect of heat radiation.
The patent No. discloses a kind of " energy-saving type communication base station square compartment heat radiating device " for the utility model patent of " CN200820087191.X ", comprise the heat pipe bundle of forming by some heat pipes, the evaporator section of described heat pipe and condensation segment lay respectively at the inside and outside of shelter, outside at shelter is provided with water tank, water is housed in water tank, and the condensation segment of heat pipe places the water surface below in the water tank.Above-mentioned patent is the water surface lower end that the condensation segment of heat pipe is placed outdoor water tank, working medium absorbs the heat that shelter internal heat generation source produces at evaporator section in the heat pipe, and heat taken to the condensation segment that stretches into water surface lower end in the water tank, the working medium condensation, water heat release in water tank, then water again the wall by water tank and the radiated rib on the wall and air carry out heat convection, thereby reach the purpose of rapid heat radiation.But find in the practical application, still have unsatisfactory place, such as when ambient temperature is higher, the water tank radiating effect is not obvious, influences the radiating effect of base station.
Summary of the invention
The utility model is at above-mentioned the deficiencies in the prior art, a kind of complementary type heat radiation heat pipe heat transfer system is provided, this system at first is passed to heat in the base station in the water tank in the water by base station heat transmission heat pipe, in water tank, be provided with the heat transmission heat pipe, the evaporator section of heat pipe places water in the water tank, condensation segment is exposed to tank top, distributes by the heat of heat pipe with water in the water tank; In order further to improve the radiating effect of water tank, water tank is connected with water circulation heat radiation device, pump to water tank by the water that water pump will be imbedded in the underground water tank, the hot water overflow that absorbs heat in the water tank is returned to underground water tank, so circulation, because coolant-temperature gage is lower in the underground water tank, remain on about 15 degree, so can play significant radiating effect to water tank.
The technical solution of the utility model is achieved in that
A kind of complementary type heat pipe heat transfer system, comprise the heat pipe bundle of forming by many elongated heat pipe, the evaporator section of described heat pipe and condensation segment lay respectively at the inside and outside of cabin, base station body, outside at cabin, base station body is provided with water tank, water is housed in water tank, the condensation segment of heat pipe places the water surface below in the water tank, water tank is provided with the water tank heat abstractor, described water tank heat abstractor includes many heat pipes, the end face that described heat pipe passes water tank vertically is plugged in the water tank, the evaporator section of described heat pipe places the water in the water tank, the condensation segment of heat pipe is exposed to the end face of water tank, described water tank is connected with water circulation heat radiation device, described water circulation heat radiation device comprises water inlet pipe, drainpipe, water pump and buried underground water tank are equipped with water in underground water tank, an end of water inlet pipe connects water tank, the other end connects underground water tank by water pump, and the two ends of drainpipe connect water tank respectively, underground water tank.
In order to improve the endothermic effect of heat pipe evaporator section in the body of cabin, base station, as preferably, the outer tube wall upper edge heat pipe length direction of the evaporator section of heat pipe is installed with two heat exchange thin slices in the body of cabin, base station, and the end of heat exchange thin slice links to each other with the heat pipe evaporator section outer tube wall.
In order to reach effect attractive in appearance, as preferably, two heat exchange thin slices are the both sides that are symmetricly set in heat pipe evaporator section along the heat pipe central axis.
As preferably, the central axis of described two heat exchange thin slices and heat pipe is on the same plane.Thereby make that the exchange heat between heat pipe and the heat exchange thin slice is more even.
As preferably, described heat pipe cross section be shaped as circle, the diameter of described heat pipe is 4mm～15mm.
As preferably, described heat exchange thin slice is rectangular, and its thickness is 0.1mm～3mm, and width is 3cm～10cm.
In order to realize automatic control, as preferably, this system also comprises hygrosensor, temperature detect switch (TDS), and hygrosensor is arranged in the water tank, and temperature detect switch (TDS) links to each other with hygrosensor, water pump respectively.Hygrosensor detects water temperature and temperature parameter is passed to temperature detect switch (TDS), after the rising of the water temperature in the water tank reaches the temperature detect switch (TDS) setting value, temperature detect switch (TDS) is opened water pump and is extracted the relatively low water of temperature in underground water tank to water tank, the interior higher water of temperature of water tank then turns back to underground by drainpipe, so circulation; When water temperature in the water tank is reduced to setting value when following, temperature detect switch (TDS) is controlled water pump quits work it.Water tank heat radiation heat pipe and underground water tank water circulation heat radiation device have been realized complementation, and when water tank heat radiation heat pipe can not satisfy the heat radiation needs, underground water tank played a role water tank is dispelled the heat, fully to satisfy the heat radiation requirement.
In order to improve the heat exchange effect of heat pipe, as preferably, the evaporator section of described heat pipe is a male-pipe, is provided with fin on the outer tube wall of the condensation segment of heat pipe.
In order to improve the heat pipe condenser section on the water tank and the heat exchange effect of air, as preferably, described fin is to be welded on the outer tube wall of heat pipe condenser section along the heat pipe length direction, and the end away from heat pipe condenser section on the fin is bent to form secondary fin.Form certain angle between secondary fin and the fin, make and can carry out convective heat exchange from all angles and flow air, heat exchange is more abundant.
As preferably, in the water tank heat abstractor, heat pipe condenser section each side be arranged with 4 fin, in 4 fin of each side, with be parallel to each other between the secondary fin that each fin links to each other, and the vertical interval between the adjacent in twos secondary fin equates.After adopting such structure, not only make integral body more attractive in appearance, and passed through a large amount of experiments, rationally be provided with the quantity of fin, make its density be unlikely to excessive or too small, and fully contact convection current, realize best radiating effect with air in conjunction with secondary fin.
The utility model operation principle is as follows: the heat exchange thin slice of heat pipe evaporator section is collected heat in the machine room, makes the refrigerant vaporization in the heat pipe evaporator section and absorbs heat.Refrigerant after the vaporization flows to the condensation segment of heat pipe, meets cold liquefaction and release heat, by condensation segment heat is passed in the water in the water tank.Water passes heat by the water tank heat abstractor after absorbing heat again, the water tank heat abstractor is made up of many heat pipes equally, refrigerant is re-condensed into behind the liquid evaporator section at the dirty product heat cal rod of gravity effect in the heat pipe, so circulation is more than, progressively the heat in the machine room is delivered in the air outside; Higher in ambient temperature, when the water tank heat abstractor can not satisfy the heat radiation needs, open water pump, pump to water tank by the water that water pump will be imbedded in the underground water tank, the hot water overflow that absorbs heat in the water tank is returned to underground water tank, and so circulation is because coolant-temperature gage is lower in the underground water tank, remain on about 15 degree, so can play significant radiating effect to water tank.
Main feature that heat-exchange system of the present utility model has and beneficial effect are:
1. one-way heat conduction;
Because the operation principle of heat pipe itself has determined that heat can only be from the low side of heat pipe to high-end conduction, so heat pipe can only carry out one-way heat conduction, and just heat can only be transmitted to outdoorly from indoor, and does not worry pouring in down a chimney.When outdoor temperature was lower than indoor temperature, heat pipe was transmitted to indoor heat outdoor; When outdoor temperature is higher, can not be transmitted to outdoor heat indoor.
2. both artistic and practical, heat radiation evenly;
Heat exchange thin slice of the present utility model adopts the aluminium flake of distributing flake structure, and is in light weight, easy for installation.The indoor top of machine room that hangs over capable of hoisting does not take the usage space in any machine room, and can play the top decorative effect of decorative panel.Can adjust the spacing of arranging between the heat exchanger fin (heat pipe evaporator section) according to actual conditions again simultaneously, the top heat exchanger fin of thermals source such as calculator room equipment is arranged closely, other local arrangements are sparse, make uniformity of temperature profile everywhere in the machine room, and the situation that does not have hot-spot takes place.
3. energy-conserving and environment-protective, the base station heat radiation is secure
Water tank heat abstractor and water circulation heat radiation device are complementary to be used, when ambient temperature satisfies radiating requirements, can use the water tank heat abstractor to dispel the heat separately, when ambient temperature is higher, can open water pump by temperature detect switch (TDS), in underground water tank, extract the lower water of temperature to water tank, realize the heat radiation of water tank.
4. antitheft
This system is installed does not destroy the machine room original structure, do not use noble metals such as non-ferrous metal copper, help antitheft.
5. keep the original working environment of machine room
Only carry out exchange heat in the machine room,, can keep humidity and cleanliness factor in the machine room without any cross-ventilation.
9. has the accumulation of energy effect
Water in the utility model water tank has the effect of cold-storage, utilize the water in the water tank to carry out cold-storage and heat radiation, thereby increased the temperature difference at two ends when heat pipe is used between daytime, strengthened the exchange capability of heat of heat pipe between daytime, prolonged heat pipe and moved effective time, improved radiating efficiency, the scope of application is more extensive, even, still can obtain good heat-radiation effect in the less extremely hot desert area of indoor/outdoor temperature-difference.
Description of drawings
Fig. 1 is the structural representation of the utility model base station heat transmission heat pipe evaporator section;
Fig. 2 be among Fig. 1 A to enlarged diagram;
Fig. 3 is a structural representation of the present utility model;
Fig. 4 is the structural representation of the used heat pipe of water tank heat abstractor;
Fig. 5 be among Fig. 4 A to enlarged diagram.
The specific embodiment
The specific embodiment of the present utility model is as follows:
Embodiment: as shown in Figure 3, a kind of complementary type heat pipe heat transfer of the present utility model system, comprise the heat pipe bundle of forming by many elongated heat pipe, the evaporator section 3 and the condensation segment 4 of described heat pipe lay respectively at the inside and outside of cabin, base station body 1, machine room cabin body 1 forms for color steel surrounds, and can play insulation effect; Described heat pipe cross section be shaped as circle, the diameter of described heat pipe is 5mm, shown in Fig. 1～2, outer tube wall upper edge heat pipe length direction at the evaporator section 3 of heat pipe is welded with two heat exchange thin slices 2, the end of heat exchange thin slice 2 links to each other with heat pipe evaporator section 3 outer tube walls, and two heat exchange thin slices 2 are the both sides that are symmetricly set in heat pipe evaporator section 3 along the heat pipe central axis, and the central axis of described two heat exchange thin slices 2 and heat pipe is on the same plane.Described heat exchange thin slice 2 is rectangular, and its thickness is 0.5mm, and width is 6cm.Heat exchange thin slice 2 is made for metal material, and preferred especially aluminium is because the thermal conductivity of aluminium is preferable.
As shown in Figure 3, the utility model is owing to adopted elongated heat pipe, and heat exchange thin slice 2 has been welded in the heat pipe both sides, so its total quality is lighter, so the evaporator section of heat pipe bundle can be stacked, leave a determining deviation between the evaporator section of two heat pipes, and hang together at the indoor top of machine room cabin body 1, do not take the usage space in any machine room, and can play the top decorative effect of decorative panel.
The utility model can be provided with the quantity of the heat pipe that the heat pipe bundle comprised according to actual conditions, indoor heat pipe evaporator section is arranged side by side together, concentrate and absorb the cabin intimate heat, and can adjust the spacing of arranging between the heat pipe evaporator section (heat exchange thin slice) according to actual conditions again, the top heat exchange flake alignment of thermals source such as calculator room equipment is tight, other local arrangements are sparse, make uniformity of temperature profile everywhere in the machine room, and the situation that does not have hot-spot takes place.
Be adiabatic section 6 between heat pipe evaporator section 3 and the condensation segment 4, adiabatic section 6 body overcoat heat-insulating materials.
Top at cabin, base station body 1 is provided with water tank 5, in water tank 5 water is housed, and the condensation segment 4 of heat pipe places the water surface below in the water tank.For preventing the external high temperature influence, water tank 5 is made for insulation material; For further improving the radiating effect of water tank, water tank is provided with the water tank heat abstractor, described water tank heat abstractor includes many heat pipes 7, the end face that described heat pipe 7 passes water tank 5 evenly is plugged in the water tank, and heat pipe 7 is all perpendicular to water tank 5 end faces, the evaporator section 7a that is described heat pipe 7 places water in the water tank, and the condensation segment 7b of heat pipe 7 is exposed to the end face of water tank.
As Fig. 3～shown in Figure 5, be the endothermic effect that improves heat pipe evaporator section 7a, the evaporator section 7a of described heat pipe 7 is a male-pipe, external screw thread is equivalent to fin to increase the heat exchange area with water; For improving the radiating effect of condensation segment 7b, each side be provided with 4 fin 8 at the condensation segment 7b of heat pipe 7, the fin 8 of the left and right sides is along heat pipe 7 central axis left-right symmetry, and described fin 8 is to be welded on the outer tube wall of heat pipe condenser section 7b along heat pipe 7 length directions, end away from heat pipe condenser section on the fin 8 is bent to form secondary fin 9, angulation is 120 degree between secondary fin 9 and the fin 8, and all secondary fin 9 are parallel mutually; Form certain angle between secondary fin 9 and the fin 8, make and can carry out convective heat exchange from all angles and flow air, heat exchange is more abundant.
Be provided with awning 10 above water tank 5, awning 10 covers the condensation segment 7b of heat pipe 7, to avoid sun direct projection, influences radiating effect.
In order further to improve the radiating effect of water tank, described water tank 5 is connected with water circulation heat radiation device, described water circulation heat radiation device comprises water inlet pipe 11, drainpipe 12, water pump 13 and buried underground water tank 14, in underground water tank 14, water is housed, one end of water inlet pipe 11 connects water tank 5 bottoms, the other end connects underground water tanks 14 by water pump 13, and water inlet pipe 11 extends to the bottom of underground water tank 14, and the two ends of outlet pipe 12 connect water tank 5 tops, underground water tank 14 tops respectively.
In order to realize automatic control, this system also comprises hygrosensor, temperature detect switch (TDS) (not shown), hygrosensor is arranged in the water tank 5, temperature detect switch (TDS) links to each other with hygrosensor, water pump 13 respectively, hygrosensor detects water temperature and temperature parameter is passed to temperature detect switch (TDS), when ambient temperature higher, when the water tank heat abstractor can not satisfy the heat radiation needs, and after the water temperature in the water tank raises and reaches the temperature detect switch (TDS) setting value, temperature detect switch (TDS) is opened water pump 13 and is drawn water, hot water then turns back to underground water tank 14 by drainpipe 12, so circulation; When water temperature in the water tank is reduced to setting value when following, temperature detect switch (TDS) is controlled water pump quits work it.Because it is underground that underground water tank 14 is embedded in, water temperature remains on about 15 ℃ throughout the year, can guarantee that like this temperature in the machine room remains on about 25 ℃ always, the influence that not changed by outdoor temperature.
Claims (10)
1. complementary type heat pipe heat transfer system, comprise the heat pipe bundle of forming by many elongated heat pipe, the evaporator section of described heat pipe (3) lays respectively at the inside and outside of cabin, base station body (1) with condensation segment (4), be provided with water tank (5) in the outside of cabin, base station body (1), in water tank (5), water is housed, the condensation segment of heat pipe (4) places the water surface below in the water tank, it is characterized in that: water tank (5) is provided with the water tank heat abstractor, described water tank heat abstractor includes many heat pipes (7), the end face that described heat pipe (7) passes water tank vertically is plugged in the water tank (5), the evaporator section (7a) of described heat pipe (7) places the water in the water tank (5), the condensation segment (7b) of heat pipe (7) is exposed to the end face of water tank (5), described water tank (5) is connected with water circulation heat radiation device, described water circulation heat radiation device comprises water inlet pipe (11), drainpipe (12), water pump (13) and buried underground water tank (14), in underground water tank (14), water is housed, one end of water inlet pipe (11) connects water tank (5), the other end connects underground water tank (14) by water pump (13), and the two ends of drainpipe (12) connect water tank (5) respectively, underground water tank (14).
2. a kind of complementary type heat pipe heat transfer according to claim 1 system, it is characterized in that: the outer tube wall upper edge heat pipe length direction of the evaporator section (3) of heat pipe is installed with two heat exchange thin slices (2) in cabin, base station body (1), and the end of heat exchange thin slice (2) links to each other with heat pipe evaporator section (3) outer tube wall.
3. a kind of complementary type heat pipe heat transfer according to claim 2 system, it is characterized in that: two heat exchange thin slices (2) are the both sides that are symmetricly set in heat pipe evaporator section (3) along the heat pipe central axis.
4. according to claim 2 or 3 described a kind of complementary type heat pipe heat transfer systems, it is characterized in that: described two heat exchange thin slices (2) are on the same plane with the central axis of heat pipe.
5. according to claim 1 or 2 or 3 described a kind of complementary type heat pipe heat transfer systems, it is characterized in that: described heat pipe cross section be shaped as circle, the diameter of described heat pipe is 4mm～15mm.
6. according to claim 2 or 3 described a kind of complementary type heat pipe heat transfer systems, it is characterized in that: described heat exchange thin slice (2) is rectangular, and its thickness is 0.1mm～3mm, and width is 3cm～10cm.
7. a kind of complementary type heat pipe heat transfer according to claim 1 system, it is characterized in that: this system also comprises hygrosensor, temperature detect switch (TDS), and hygrosensor is arranged in the water tank (5), and temperature detect switch (TDS) links to each other with hygrosensor, water pump (13) respectively.
8. a kind of complementary type heat pipe heat transfer according to claim 1 system, it is characterized in that: in the described water tank heat abstractor: the evaporator section of heat pipe (7a) is a male-pipe, is provided with fin (8) on the outer tube wall of the condensation segment (7b) of heat pipe.
9. a kind of complementary type heat pipe heat transfer according to claim 8 system, it is characterized in that: described fin (8) is to be welded on the outer tube wall of heat pipe condenser section (7b) along the heat pipe length direction, and the end that fin (8) is gone up away from heat pipe condenser section is bent to form secondary fin (9).
10. according to Claim 8 or 9 described a kind of complementary type heat pipe heat transfer systems, it is characterized in that: in the water tank heat abstractor, heat pipe condenser section (7b) each side be arranged with 4 fin (8), in 4 fin of each side, be parallel to each other between the secondary fin (9) that links to each other with each fin, and the vertical interval between the adjacent in twos secondary fin (9) equates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200920295075 CN201653208U (en) | 2009-12-25 | 2009-12-25 | Complementary type heat pipe heat exchange system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200920295075 CN201653208U (en) | 2009-12-25 | 2009-12-25 | Complementary type heat pipe heat exchange system |
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| Publication Number | Publication Date |
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| CN201653208U true CN201653208U (en) | 2010-11-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 200920295075 Expired - Fee Related CN201653208U (en) | 2009-12-25 | 2009-12-25 | Complementary type heat pipe heat exchange system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103292404A (en) * | 2013-07-08 | 2013-09-11 | 福州科理技术开发有限公司 | Heat pipe type energy-saving central air-conditioning cooling system |
| CN103383173A (en) * | 2013-07-04 | 2013-11-06 | 浙江月宫冷链设备有限公司 | Energy-saving type air-conditioned cold store |
| CN104819530A (en) * | 2015-03-30 | 2015-08-05 | 四川远畅新能源科技有限公司 | Cooling system with heat tube and water pumping same tubing structure |
| CN112653066A (en) * | 2020-12-19 | 2021-04-13 | 北京太易德电气安装有限公司 | Anti-freezing structure of buried pipeline and construction method |
| CN115103560A (en) * | 2022-05-13 | 2022-09-23 | 中国船舶科学研究中心 | Flexible wall-attached heat dissipation system for deep sea submersible vehicle |
-
2009
- 2009-12-25 CN CN 200920295075 patent/CN201653208U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103383173A (en) * | 2013-07-04 | 2013-11-06 | 浙江月宫冷链设备有限公司 | Energy-saving type air-conditioned cold store |
| CN103292404A (en) * | 2013-07-08 | 2013-09-11 | 福州科理技术开发有限公司 | Heat pipe type energy-saving central air-conditioning cooling system |
| CN103292404B (en) * | 2013-07-08 | 2015-11-18 | 福州科理技术开发有限公司 | Hot pipe type energy-saving central air conditioner cooling system |
| CN104819530A (en) * | 2015-03-30 | 2015-08-05 | 四川远畅新能源科技有限公司 | Cooling system with heat tube and water pumping same tubing structure |
| CN112653066A (en) * | 2020-12-19 | 2021-04-13 | 北京太易德电气安装有限公司 | Anti-freezing structure of buried pipeline and construction method |
| CN115103560A (en) * | 2022-05-13 | 2022-09-23 | 中国船舶科学研究中心 | Flexible wall-attached heat dissipation system for deep sea submersible vehicle |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101124 Termination date: 20121225 |