CN203240774U - Solar heat collection device with short liquid suction core arranged at lower portion of glass heat pipe of heat collection element - Google Patents
Solar heat collection device with short liquid suction core arranged at lower portion of glass heat pipe of heat collection element Download PDFInfo
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- CN203240774U CN203240774U CN2013202077901U CN201320207790U CN203240774U CN 203240774 U CN203240774 U CN 203240774U CN 2013202077901 U CN2013202077901 U CN 2013202077901U CN 201320207790 U CN201320207790 U CN 201320207790U CN 203240774 U CN203240774 U CN 203240774U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
- Y02E10/44—Heat exchange systems
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Abstract
A solar heat collection device with a short liquid suction core arranged at the lower portion of a glass heat pipe of a heat collection element is composed of a full-glass vacuum heat pipe heat collection pipe, an insulation water tank or connection box, and a tail box. An inner glass pipe of the full-glass vacuum heat pipe heat collection pipe extends forwards from a sealing-connection position, and is made into a heat pipe after vacuum inside the inner glass pipe is sucked out and the inner glass pipe is filled with a working medium. The solar heat collection device is characterized in that the short liquid suction core is arranged at the bottom end inside the heat end of the heat pipe. The solar heat collection device with the short liquid suction core arranged at the lower portion of the glass heat pipe of the heat collection element is composed of an insertion type full-glass vacuum heat pipe heat collection pipe, an insulation water tank or connection box, a tail box support and accessories. The insertion type full-glass vacuum heat pipe heat collection pipe is formed by connecting a full-glass vacuum heat collection pipe and an insertion type glass heat pipe inserted in the full-glass vacuum heat collection pipe in a matching or low heat resistance mode. The solar heat collection device is characterized in that the short liquid suction core is arranged at the bottom end inside the heat end of the insertion type glass heat pipe. The solar heat collection device has the advantages that the starting time of the heat pipe is shortened from over 140min to over 20min, the working medium is not increased, and the safety of the heat pipe when in air drying is high.
Description
Technical field
The utility model relates to the low solar energy heat collector of putting short cylinder liquid-sucking core of heat collecting element glass heat pipe.
Background technology
The solar water appliance of heat-pipe vacuum heat collecting pipe manufacturing have in the pipe anhydrous Energy Efficiency Ratio high, meet safe drinking water standard, single tube and damage the advantage such as in the same old way work.Therefore.Anhydrous solar vacuum hot water device might capture the increasing market share in the pipe.
Existing a kind of workload fills all-glass heat pipe vacuum collector tube solar water heater seldom, and heat pipe inner wall adopts light-pipe structure, heat-pipe vacuum heat collecting pipe about 45 degree that tilt to install.Under non-heat exchange state, can observe the heat pipe bottom has liquid refrigerant to gather.
It is carried out and the all-glass vacuum thermal-collecting tube solar water heater check experiment of managing interior water, find that the intensification situation of heat pipe solar energy water heater is slow soon rear first.Judgement is that the heat pipe start-up course is long, the startup stage of heat pipe, the heat collector tube product can not Operation at full power thereby heat up slow, heat pipe heat collecting device Operation at full power thereby quick heating after heat pipe starts.
The heat pipe of investigating all-glass heat pipe vacuum collector tube starts: because it is common because its temperature of minute surface shading that is formed by getter rises slowly, so that these liquid refrigerants can not participate in rapidly the two phase flow heat transfer circulation to be collected in the working medium of heat pipe bottom.Simultaneously, though because the temperature at inner other positions, heat pipe hot junction is high is in dry state and can not contributes to thermal-arrest within a very long time.Rely on later on the glass heat pipe tube wall heat transfer near the bottom to make gradually liquid refrigerant vaporization and circulation participate in two phase flow heat transfer, heat pipe is finished start-up course and is entered normal operating conditions.Problem is in the winter time, and the start-up course of heat pipe may continue more than two hours, and this is so that the performance of some glass heat pipe thermal-collecting tube can not be obviously good than the all-glass vacuum thermal-collecting tube of managing interior water, and the advantage of heat pipe fails to give full play to.
Glass surface is not suitable for processing stria to form larger capillary lift.
Employing arranges to have enough large-area core nets at the glass heat pipe inner surface, although can utilize capillarity to solve the long problem of heat pipe start-up course, but can make cost a larger increase, more seriously also can fill more, the too high greatly increase that has a big risk that causes the bombing accident of vapour pressure when making air drying of working medium because of inside.When 0.2% when for example working medium filling weight/heat pipe plot ratio is from 2 milliliters/1000 milliliters are brought up to 5 milliliters/1000 milliliters 0.5%, the highest saturated vapor pressure increases to about 10 atmospheric pressure of 180 ℃ from about 3.7 atmospheric pressure of 140 ℃, but inside heat pipe when continuing to be warming up to 180 ℃ from 140 ℃ of about 3.7 atmospheric high-vapor-pressures internal pressure only have about 4 atmospheric pressure.Because the glass voltage endurance capability is limited, so the liquid refrigerant position height start quickly in the time of should managing to raise heat pipe and start the least possiblely when heat pipe work is again held back liquid refrigerant with minimizing working medium filling weight.
Chinese invention patent 200410012193.9 Explosion-proof all-glass solar energy vacuum collecting tubes have disclosed a kind of Explosion-proof all-glass solar energy vacuum collecting tube, and the liquid refrigerant filling weight is 0.1～0.5%V in its heat pipe, and wherein V is the volume in the heat pipe.All be converted into vapour phase when making it reach a certain critical-temperature, when temperature continued to raise, pressure raise according to the rule of vapour phase, thereby had significantly reduced the operating pressure in the heat pipe under the condition of high temperature ...Simultaneously, in heat pipe, set up sorbing material, to guarantee that heat pipe quick starts again.But this patent of invention comprises that in heat pipe sorbing material sticking working medium that heat pipe evaporator section middle part arranges adds quick heating pipe and starts this mode and still can bring when increasing working medium filling weight and air drying internal pressure or start still slower problem.Suppose: originally set and be limited to 4 atmospheric pressure, 230 ℃ of air drying maximum temperatures, water on 4.4 millimeters of inner glass tube internal diameters, 58 millimeters of cover glass tube external diameters, long 2 meters the internal pressure of all-glass vacuum solar energy collection tube and make working medium, can be calculated about 3 liters of inner glass tube volume.Look into the saturated vapor pressure table of water vapour as can be known: whole working medium filling weight of working medium vaporization just in the time of 135 ℃, its saturated vapor pressure is 3.2 atmospheric pressure and when 230 ℃ of the highest air drying temperature, internal pressure reaches 4 atmospheric pressure and namely equals the inner glass tube internal pressure limit.And the quality volumetric ratio of steam is 1.7 milliliters/liter can check in 135 ℃ the time.The working medium filling weight of this thermal-collecting tube is 1.7 milliliters/liter=5.1 milliliters of 3 liters of *.(5.1 milliliters of working medium are on the low side for existing thermal-collecting tube, can occur drying up in the bottom, hot junction, but this problem do not done expansion here).At this moment, quick heating pipe starts and imbibition material is set in the middle part of inside heat pipe in order to add.Suppose that the imbibition material that increases carries sticking altogether 1.5 milliliters of working medium have been arranged when heat pipe works, and therefore aggravate inside heat pipe hot junction dry-out, dry hot junction does not participate in heat exchange has a greatly reduced quality the efficient of thermal-collecting tube.For fear of the heat-collecting capacity loss that brings because the hot junction is dry.Must increase the working medium filling weight remedies heat pipe when work and is put forward the part working medium that sticking has by imbibition material.Suppose that the working medium filling weight that increases also is 1.5 milliliters, the quality volumetric ratio of the steam when then working medium is just all vaporized from 1.7 milliliters/go up and rise to 2.2 milliliters/liter, the critical-temperature that the highest saturated vapor pressure at this moment is corresponding rises to 145 ℃ from 135 ℃; Correspondingly, when 230 ℃ of the highest air drying temperature, inside heat pipe pressure is increased to 5 atmospheric pressure from 4 atmospheric pressure.Conclusion is: increase imbibition material and increase the working medium filling weight in order to accelerate to be enabled in middle part, heat pipe hot junction, under the highest air drying temperature, the pressure of thermal-collecting tube inside can increase to 5 atmospheric pressure from 4 atmospheric pressure above original pressure of setting and exceed 25%; Be equivalent to reduce winter a day heat-collecting capacity 35% and will prolong two hours without imbibition material heat pipe start-up course.Also have, only 1.5 milliliters of working medium of sticking are still not enough for sorbing material.
Summary of the invention
The purpose of this utility model is to provide the heat collecting element glass heat pipe the low solar energy heat collector of putting short cylinder liquid-sucking core.
One of the technical scheme in the invention for solving the technical problem: with all-glass vacuum solar energy collection tube, adiabatic water tank or connection collection box, tail box, support and annex, form the low solar energy heat collector of putting short cylinder liquid-sucking core of a heat collecting element glass heat pipe.The effective cover glass tube of all-glass vacuum heat collector tube and inner glass tube nested, concentric arrange that sealing-in makes, inner glass tube from sealing-in place stretch out forward and inner vacuum pumping loading working medium after sealed-off make a heat pipe.Inner glass tube is that the outer surface of glass heat pipe is made absorbing film.Vertical or the installation of tilting of described solar collection element.Glass heat pipe relies on gravity work.Glass heat pipe hot junction inner bottom arranges a short liquid-sucking core, and short cylinder liquid-sucking core overlays in heat pipe hot junction inwall or short cylinder liquid-sucking core dependence self elasticity with elastic circlip and overlays in heat pipe hot junction inwall.Short cylinder liquid-sucking core is along the circumferential layout of heat pipe inner wall; Short cylinder liquid-sucking core from the spacing distance of heat pipe bottom less than 20% of heat pipe hot junction total length.
Can also make the relative cover glass tube arranged off-centre of described inner glass tube, inner glass tube is connected with semicircle minute surface optically focused on being made in cover glass tube; Perhaps inner glass tube is connected with an additional semicircle minute surface optically focused that is connected with cover glass tube.
Two of the technical scheme in the invention for solving the technical problem: with plug-in type all-glass vacuum solar energy collection tube, adiabatic water tank or connection collection box, tail box, support and annex, form the low solar energy heat collector of putting short cylinder liquid-sucking core of a heat collecting element glass heat pipe.Plug-in type all-glass vacuum solar energy collection tube is connected with the insertion type glass heat pipe cooperation of inserting its inner glass tube inner chamber or low thermal resistance by an all-glass vacuum thermal-collecting tube to be made.Vertical or the installation of tilting of described insertion type glass hot pipe solar heat collecting element.The insertion type glass heat pipe relies on gravity work.Insertion type glass heat pipe hot junction inner bottom arranges a short liquid-sucking core, and short cylinder liquid-sucking core overlays in heat pipe hot junction inwall or short cylinder liquid-sucking core dependence self elasticity with elastic circlip and overlays in heat pipe hot junction inwall.Short cylinder liquid-sucking core is along the circumferential layout of described heat pipe inner wall; Short cylinder liquid-sucking core from the spacing distance of described heat pipe bottom less than 20% of described heat pipe hot junction total length.
Can also make the length of short cylinder liquid-sucking core be no more than 60 millimeters; The material of short cylinder liquid-sucking core comprises glass fibre, carbon fiber and copper wire.
Can also make: 40 ± 5 ℃ of the water temperatures in 700 ± 50 watts/square metre of solar radiation quantities, the described heat pipe cold junction outside, heat collecting element axial line be that the north-south is in tilted layout and the angle of its axial line and incident sunlight 90 ± 20 ° of scopes under the condition, describedly lack a liquid-sucking core and hold 25% of the quality of liquid refrigerant≤its maximum liquid refrigerant volume of holding.
Can also make: the maximum liquid refrigerant volume of holding of described short cylinder liquid-sucking core 〉=4 milliliters; 40 ± 5 ℃ of the water temperatures in 700 ± 50 watts/square metre of solar radiation quantities, the described heat pipe cold junction outside, heat collecting element axial line be that the north-south is in tilted layout and the angle of its axial line and incident sunlight 90 ± 20 ° of scopes under the condition, describedly lack a liquid-sucking core and hold the quality of liquid refrigerant≤0.9 milliliter.
The beneficial effects of the utility model: the utility model adopts low weak point cylinder liquid-sucking core integrated glass heat-tube vacuum solar collection element or the low all-glass vacuum heat collector tube tube solar heat-collecting device of putting the manufacturing of short cylinder liquid-sucking core insertion type glass heat-tube vacuum solar collection element put, when the sun sets, the reverse work of glass heat pipe: the evaporation of the liquid refrigerant of the former heat pipe cold junction inner surface that is connected with the heating load low thermal resistance is also condensed at former heat pipe hot junction inner surface, thereby gathers more and downward trickling arrives when lacking a tin liquid-sucking core and held back the position of having raised working medium and make working medium be distributed in bottom, heat pipe hot junction inwall by sticking when former heat pipe hot junction inner surface liquid refrigerant.The second day sun is out the time, and in a single day the heat pipe hot junction is heated, and the liquid refrigerant of lack cylinder liquid-sucking core sticking is evaporation and participation two phase flow heat transfer rapidly.Further analyze as can be known: the short cylinder liquid-sucking core of 30 to 60 millimeters away from heat pipe bottom layouts be, its residing inner glass tube directly absorbs solar energy, and the heat energy that its above and below absorbing film of while absorbs also can conduct heat.Winter, short cylinder liquid-sucking core under the typical set heat condition its be subjected to thermal power be equivalent to former light pipe heat pipe be in the getter minute surface surround among only by above it at a distance absorbing film pass thermogenetic about 7 times of the thermal powers that are subjected to by glass tube.Originally light pipe heat pipe start-up course needs more than 140 minute, foreshortens to more than 20 minute with low after putting a short liquid-sucking core now, is equivalent to many thermal-arrests more than hour every day in winter.When daytime, heat collecting element worked, all working medium participated in the two phase flow heat transfers circulation, and liquid refrigerant can not held or seldom hold to a short liquid-sucking core.Because short cylinder bottom, liquid-sucking core interior heat pipe hot junction is apart from weak point, even the solar thermal energy that dry relevant absorbing film absorbs also can come by the heat transfer of glass tube the effective participation heat exchange.Increase like this problem of working medium filling weight because using short cylinder liquid-sucking core with regard to not existing, thereby both having accelerated to greatest extent heat pipe starts; The pressure of glass heat pipe inside keeps low level when making air drying again.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further specified.
Fig. 1 is the low integral vacuum solar energy heat collector structural representation of putting short cylinder liquid-sucking core of a heat collecting element glass heat pipe.
Fig. 2 is the low plug-in type vacuous solar energy heat collector structural representation of putting short cylinder liquid-sucking core of a heat collecting element glass heat pipe.
Fig. 3 is the low plug-in type vacuous solar energy heat collector structural representation of putting short cylinder liquid-sucking core of an eccentric heat collecting element glass heat pipe.
1. all-glass vacuum solar energy collection tubes among the figure; 2. connection collects box; 3. tail box; 4. cover glass tube; 5. inner glass tube; 6. heat pipe; 7. lack the cylinder liquid-sucking core; 8. elastic circlip; 9. all-glass vacuum thermal-collecting tube; 10. Thermal Conduction Equipment; 11. eccentric all-glass vacuum thermal-collecting tube; 12. semicircle minute surface.
The specific embodiment
Fig. 1 provides first embodiment of the present utility model.
Among Fig. 1, with all-glass vacuum solar energy collection tube 1, connection collection box 2, tail box 3, form the low integral vacuum solar energy heat collector of putting short cylinder liquid-sucking core of a heat collecting element glass heat pipe.All-glass vacuum solar energy collection tube 1 usefulness cover glass tube 4 and the sealing-in of inner glass tube 5 nested, concentric layout are made.Inner glass tube 5 from sealing-in place stretch out forward and inner vacuum pumping loading working medium after sealed-off make a heat pipe 6, the length in heat pipe 6 hot junctions is 1.8 meters.Inner glass tube 5 is that the outer surface of heat pipe 6 is made absorbing film.Vertical or the installation of tilting of described solar collection element.Heat pipe 6 relies on gravity work.Heat pipe 6 hot junction inner bottom arrange short cylinder liquid-sucking core 7,60 millimeters of short cylinder liquid-sucking core 7 length; Short cylinder liquid-sucking core 7 usefulness elastic circlips 8 overlay in heat pipe 6 hot junction inwalls.Short cylinder liquid-sucking core 7 is along the circumferential layout of heat pipe 6 inwalls.Short cylinder liquid-sucking core 7 is 30 to 60 millimeters from the spacing distance of heat pipe 6 bottoms.Side by side outside arrow represents the cold junction position of heat pipe 6 among Fig. 1.
When the all-glass vacuum solar energy collection tube 1 of Fig. 1 embodiment turns clockwise about 45 degree inclination installation, heat pipe 6 can rely on gravity to realize the two phase flow cycle heat exchange, solar thermal energy is passed to heating load by cold junction continuously, the coolant-temperature gage of connection collection box 2 inside is risen.During heat pipe 6 work, because short cylinder liquid-sucking core 7 can not held working medium, so the working medium filling weight does not increase, heat pipe 6 inner saturated vapor pressures are in low-level when being conducive to limit air drying.
When the heat collecting element of Fig. 1 embodiment turns clockwise about 45 degree when tilting to install, short cylinder liquid-sucking core 7 can be when heat pipe 6 not be worked a large amount of sticking liquid refrigerants, improve the position that former light pipe heat pipe is collected in the working medium of heat pipe 6 bottoms.When short cylinder liquid-sucking core 7 is conducive to heat pipe 6 and starts from 30 to 60 millimeters of heat pipe 6 bottom spacing distances from top and below absorb simultaneously solar thermal energy and accelerate startup.
Among Fig. 1 embodiment, so allow during heat pipe 6 normal operation below it dry or dry short cylinder liquid-sucking core 7 of part of tens of millimeters sections when heat pipe 6 work, usually not hold working medium.When the sun set, the evaporation of the condensate water of heat pipe 6 cold junction inner surfaces comprised that the whole or most working medium of all working medium of this part working medium are lacked a liquid-sucking core 7 stickings.
Fig. 2 provides second embodiment of the present utility model.
Among Fig. 2, with plug-in type all-glass vacuum solar energy collection tube, connection collection box 2, tail box 3, form the low plug-in type vacuous solar energy heat collector of putting short cylinder liquid-sucking core of a heat collecting element glass heat pipe.Plug-in type all-glass vacuum heat collector tube is connected by two Thermal Conduction Equipment 10 low thermal resistances with the insertion type glass housing heat pipe 6 that inserts its inner glass tube 5 inner chambers with an all-glass vacuum thermal-collecting tube 9 to be made.Heat pipe 6 relies on gravity work.Heat pipe 6 hot junction inner bottom are provided with short cylinder liquid-sucking core 7.
Fig. 3 provides the 3rd embodiment of the present utility model.
Among Fig. 3, with the eccentric all-glass vacuum solar energy collection tube of plug-in type, connection collection box 2, tail box support 3, form the low plug-in type vacuous solar energy heat collector of putting short cylinder liquid-sucking core of an eccentric heat collecting element glass heat pipe.The eccentric all-glass vacuum solar energy collection tube of plug-in type is comprised of with an insertion type glass housing heat pipe 6 that inserts its inner glass tube 5 inner chambers an eccentric all-glass vacuum thermal-collecting tube 11.Heat pipe 6 hot junction inner bottom are provided with short cylinder liquid-sucking core 7.Inner glass tube 5 relative cover glass tube 4 arranged off-centre and the inner glass tube 5 of eccentric all-glass vacuum thermal-collecting tube 11 are connected with semicircle minute surface 12 optically focused that are made in cover glass tube 4 inwalls.
Claims (2)
1. the heat collecting element glass heat pipe hangs down the solar energy heat collector of putting short cylinder liquid-sucking core, by the all-glass vacuum solar energy collection tube, adiabatic water tank or connection collection box, the tail box, support and annex form, the effective cover glass tube of all-glass vacuum heat collector tube and the sealing-in of inner glass tube nested, concentric layout are made, inner glass tube from sealing-in place stretch out forward and inner vacuum pumping loading working medium after sealed-off make a heat pipe, inner glass tube is that the outer surface of glass heat pipe is made absorbing film, glass heat pipe relies on gravity work, it is characterized in that glass heat pipe hot junction inner bottom contains short cylinder liquid-sucking core, short cylinder liquid-sucking core is along the circumferential layout of heat pipe inner wall; Short cylinder liquid-sucking core from the spacing distance of heat pipe bottom less than 20% of heat pipe hot junction total length.
2. according to solar energy heat collector claimed in claim 1, it is characterized in that the relative cover glass tube arranged off-centre of described inner glass tube, inner glass tube is connected with semicircle minute surface optically focused on being made in cover glass tube; Perhaps inner glass tube is connected with an additional semicircle minute surface optically focused that is connected with cover glass tube.
3. the heat collecting element glass heat pipe hangs down the solar energy heat collector of putting short cylinder liquid-sucking core, formed by plug-in type all-glass vacuum solar energy collection tube, adiabatic water tank or connection collection box, tail box, support and annex, plug-in type all-glass vacuum solar energy collection tube is connected with the insertion type glass heat pipe cooperation of inserting its inner glass tube inner chamber or low thermal resistance by an all-glass vacuum thermal-collecting tube to be made, the insertion type glass heat pipe relies on gravity work, it is characterized in that insertion type glass heat pipe hot junction inner bottom contains short cylinder liquid-sucking core, short cylinder liquid-sucking core is along the circumferential layout of described heat pipe inner wall; Short cylinder liquid-sucking core from the spacing distance of described heat pipe bottom less than 20% of described heat pipe hot junction total length.
4. according to claim 1 or 3 described solar energy heat collectors, it is characterized in that the length of short cylinder liquid-sucking core is no more than 60 millimeters; The material of short cylinder liquid-sucking core comprises glass fibre, carbon fiber and copper wire.
5. according to claim 1 or 3 described solar energy heat collectors, it is characterized in that 40 ± 5 ℃ of the water temperatures in 700 ± 50 watts/square metre of solar radiation quantities, the described heat pipe cold junction outside, heat collecting element axial line be that the north-south is in tilted layout and the angle of its axial line and incident sunlight 90 ± 20 ° of scopes under the condition, describedly lack a liquid-sucking core and hold 25% of the quality of liquid refrigerant≤its maximum liquid refrigerant volume of holding.
6. according to claim 1 or 3 described solar energy heat collectors, it is characterized in that: the maximum liquid refrigerant volume of holding of described short cylinder liquid-sucking core 〉=4 milliliters; 40 ± 5 ℃ of the water temperatures in 700 ± 50 watts/square metre of solar radiation quantities, the described heat pipe cold junction outside, heat collecting element axial line be that the north-south is in tilted layout and the angle of its axial line and incident sunlight 90 ± 20 ° of scopes under the condition, describedly lack a liquid-sucking core and hold the quality of liquid refrigerant≤0.9 milliliter.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202077901U CN203240774U (en) | 2013-04-22 | 2013-04-22 | Solar heat collection device with short liquid suction core arranged at lower portion of glass heat pipe of heat collection element |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2013202077901U CN203240774U (en) | 2013-04-22 | 2013-04-22 | Solar heat collection device with short liquid suction core arranged at lower portion of glass heat pipe of heat collection element |
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| CN203240774U true CN203240774U (en) | 2013-10-16 |
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| CN2013202077901U Expired - Fee Related CN203240774U (en) | 2013-04-22 | 2013-04-22 | Solar heat collection device with short liquid suction core arranged at lower portion of glass heat pipe of heat collection element |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103225889A (en) * | 2013-04-22 | 2013-07-31 | 施侃超 | Solar heat collection device of short drum liquid suction core arranged at lower part of heat collection element |
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2013
- 2013-04-22 CN CN2013202077901U patent/CN203240774U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103225889A (en) * | 2013-04-22 | 2013-07-31 | 施侃超 | Solar heat collection device of short drum liquid suction core arranged at lower part of heat collection element |
| CN103225889B (en) * | 2013-04-22 | 2016-06-15 | 施侃超 | The low solar energy heat collector putting short cylinder wick of heat collecting element glass heat pipe |
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Granted publication date: 20131016 Termination date: 20140422 |