CN103225907B - Pressure reducing air sunning protecting metal heat pipe vacuum heat collection component - Google Patents
Pressure reducing air sunning protecting metal heat pipe vacuum heat collection component Download PDFInfo
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- CN103225907B CN103225907B CN201310142249.1A CN201310142249A CN103225907B CN 103225907 B CN103225907 B CN 103225907B CN 201310142249 A CN201310142249 A CN 201310142249A CN 103225907 B CN103225907 B CN 103225907B
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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
The invention discloses a pressure reducing air sunning protecting metal heat pipe vacuum heat collection component, which is composed of a metal heat pipe vacuum heat collection component and an air sunning protector placed in a vacuum insulation layer, wherein the air sunning protector is composed of a thermal driving device connected with the heat end of the heat pipe in a heat transmission manner and a heat transmission straight drum; the air sunning protector has two steady states, namely an open heat conduction state and a closed insulation state, and the air sunning protector is in the open heat conduction state when the heat transmission straight drum protrudes out of the tail end of a cover glass pipe connected in a heat transmission manner, and the air sunning protector is in the closed insulation state formed when the heat transmission straight drum retracts to the tail end of the cover glass pipe connected in a heat transmission manner; the thermal force driving component comprises a thermosensitive permanent magnet steel driving device, a bimetallic strip driving device, a memory alloy driving device and a diaphragm capsule driving device. The pressure reducing air sunning protecting metal heat pipe vacuum heat collection component is characterized in that the heat transmission straight drum is connected with the tail end of the inner glass pipe directly or is connected with the tail end in low thermal resistance through a heat sink by adopting a one-dimensional sliding pair. The pressure reducing air sunning protecting metal heat pipe vacuum heat collection component can ensure that the water vapor pressure inside the heat pipe is always at most twice as big as the atmospheric pressure by adopting a small power air sunning protector.
Description
Technical field
Empty sun protection metal heat pipe vacuum heat collection element the present invention relates to reduce pressure.
Background technology
Vacuum heat collection pipe arranges vacuum heat-insulating layer between its cover glass tube and inner glass tube, can manufacture and also can provide domestic hot-water's vacuum solar water heater winter.With the solar water heater of heat-pipe vacuum heat collecting pipe manufacture have more in 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.In pipe, anhydrous solar energy evacuated water-both with hot pipe will likely capture the increasing market share.
But during air drying, heat collecting element inside heat pipe temperature can reach 230 ℃, saturated vapor pressure corresponding to this temperature is 28.53 atmospheric pressure, and corresponding working medium filling weight is that working medium volumetric ratio is 1.1% with the ratio of heat pipe volume, and every 1 liter capacity has 11 ml waters.
The pressure of inside heat pipe in the time of can reducing air drying by reducing working medium filling weight, take device of working medium as example: when working medium filling weight/heat pipe plot ratio 0.5% during from 5 milliliters/1000 milliliters are reduced to 2 milliliters/1000 milliliters 0.2%, correspondingly its highest saturated vapor pressure is reduced to approximately 3.7 atmospheric pressure of 140 ℃ from approximately 10 atmospheric pressure of 180 ℃, and inside heat pipe while continuing to be warming up to 180 ℃ from 140 ℃ approximately 3.7 atmospheric high-vapor-pressures internal pressure only have 4 atmospheric pressure left and right.But internal pressure when working medium filling weight can not be only with air drying sometimes decides.For working medium filling weight/heat pipe plot ratio be 0.2%, the heat pipe of 1000 milliliters of internal capacities, 2000 millimeters of length, if internal pressure is no more than 4 atmospheric pressure when making 230 ℃ of air dryings, working medium filling weight is approximately 1.8 milliliters.Even if problem is described heat pipe is light-pipe structure, when tilting approximately 45 degree work, the condensed water of cold junction, the circulating water in hot junction add that 0.353 milliliter of sum of the water yield of 85 ℃ of water vapours can be far away from 1.8 milliliters.
In order to meet the normal work of heat pipe, make working medium filling weight/heat pipe plot ratio be greater than 0.2% even 0.3%, and guarantee copper water heat pipe not because air drying and creep failure must be taked empty sun protection measure.
The anti-air drying all-glass vacuum of Chinese invention patent 2009101951003 heat collector tube element; disclosed a kind of empty sun protection all-glass vacuum heat collector tube element; by controlled heat transfer path being set between vacuum heat collection element absorber and cover glass-tube, form; controlled heat transfer path is comprised of movable heat transfer piece and actuator, it is characterized in that containing the heating power transducing actuator being connected with vacuum heat collection element absorber low thermal resistance.Because this patent is not specially for gravity assisted heat pipe heat collecting element, thereby specific aim is not strong; The uniformity of the original product of bimetal leaf heating power transducing actuator that it adopts is just bad, after temperature distortion repeatedly, restorable ability can reduce again, operating point setting, control variables input, comparison, transducing and the Power supply that its control system of bearing is relevant and carry out function and far can not normally effectively work because precision is affected 20 year possible projected life of heat collecting element.
Fig. 2 provides the light-pipe structure gravity assisted heat pipe structural representation of a tiltably-mounted.
In Fig. 2, heat pipe 1 is made by shell and internal working medium.Its operation principle is: heat energy is i.e. arrow marked position input inwards side by side from the hot junction of below, make the vaporization of being heated of the working medium at heat pipe 1 inner bottom place, steam is under the effect of pressure reduction, upwards advance to heat pipe cold junction and be arrow side by side outwards marked position emit heat energy and be supplied to and load and be condensed into the cold junction of liquid below being back under Action of Gravity Field, in the vaporization of being again heated of hot junction working medium ..., constantly circulation realizes two phase flow heat transfer circulation thus.Heat pipe has excellent heat-transfer capability, heat flow density ability to transform and isothermal characteristics.If 100 watts of heat pipe 1 hot junction inputs, its cold junction output is the highest can reach 97 watts even higher.
If attempt the heat pipe 1 of Fig. 2 only to input heat energy from below, and do not take heat energy away, heat pipe 1 steam inside is pressed and can sharply be risen.If heat pipe 1 adopts water as working medium and abundant,, when heat pipe 1 temperature reaches 230 ℃, inner maximum pressure can reach 28.53 atmospheric pressure.
If attempted the comprehensively heating take out heat energy from a section of whole heat pipe 1 length 3% of accounting for for example starting from bottom a little more than heat pipe 1 bottom local below from top to bottom of the heat pipe 1 of Fig. 2, only make position that bottom accounts for heat pipe 1 total length 3% forward simultaneously as overlapping cold junction, the vapour pressure of heat pipe 1 inside can drop to the saturated vapor pressure corresponding with the temperature of cold junction below.When for example water is as working medium, keep heat pipe 1 100 ℃ of the temperature of overlapping cold junction below, even if other parts are heated to 230 ℃ above, because the liquid refrigerant of heat pipe 1 inside is all collected in described overlapping cold junction, heat pipe 1 hot junction above except described overlapping cold junction is whole dry owing to having working medium to supplement, and two phase flow heat transfer mechanism has not existed.The steam pressure of heat pipe 1 inside 1 atmospheric pressure of also only having an appointment.
An example of overlapping cold junction be thermotube wall with absorbing film, absorb sunshine and input as heat energy, with Thermal Conduction Equipment low thermal resistance, connect described thermotube wall simultaneously and heat energy shifted.
This make that heat pipe 1 is in tilted layout, heat energy is inputted above heat pipe 1 and only with below a bit of design as overlapping cold junction in other occasions, perhaps there is no what meaning, but the empty sun protection for solar collection element, because only need minimum a part of heat radiation power---when this part heat radiation power is used for guaranteeing that air drying occurs, the peak of the initial stage inside heat pipe vapour pressure that empty sun protection device starts to work is no more than setting value; This part heat radiation power is also greater than described overlapping cold junction as the heat energy input power in hot junction---thus have advantages of radiating element volume compact, dependable performance, heat radiation power little, on the venting of vacuum heat-insulating layer less, on absorber to block impact little and can utilize heat collecting element tail end as heat dissipation interface.
Can see, the needed heat radiation power of less, the described empty sun protection device of area of overlapping cold junction is also less, more favourable.Actual heat collecting element needs the device of tail box and so on to settle.Tail box can hide the tail end of heat collecting element.The part being hidden by tail box does not belong to overlapping cold junction.Why also can use overlapping cold junction; be because some heat collecting element empty sun protection device be relatively applicable to being installed on vacuum heat-insulating layer drum-shaped section or; heat collection element cover glass pipe is with necking segment and be to adopt after necking segment forms, to assemble inner glass tube, and then draws tail pipe to be called for short the technique of post-tensioning tail pipe to cover glass tube circle envelope.If the round end-blocking that post-tensioning tail pipe technique forms is not suitable for heat radiation, with regard to needing to utilize, from described round end-blocking cover glass tube drum-shaped section up, dispel the heat.Heat pipe or the inner glass tube end section corresponding with described drum-shaped section belong to overlapping cold junction.
Overlapping cold junction is the decompression empty sun protection design based on the circulation of blocking-up heat pipe two phase flow heat transfer, and this is to design the essential distinction of controllable heat dissipation passage with the non-decompression empty sun protection of the anti-air drying all-glass vacuum of above-mentioned Chinese invention patent 2009101951003 heat collector tube element.
China's 912050845 utility model electric cooker automatic magnetic temperature detect switch (TDS)s, have introduced a kind of pyromagnetic force inverting element operation principle of utilizing.
Summary of the invention
The object of the invention is to provide decompression empty sun protection metal heat pipe vacuum heat collection element.
The present invention solves the technical scheme that its technical problem is taked: with metal heat pipe vacuum heat collection element and be placed in the empty sun protection device in described heat collecting element tail end vacuum heat-insulating layer, forms the empty sun protection metal heat pipe vacuum heat collection element that reduces pressure.Metal heat pipe vacuum heat collection element is with can cutting down sealing-in cover glass tube 2 and making with the metal shell heat pipe 1 of wing plate.Described heat collecting element is vertical or tilt to install the work of described heat pipe dependence gravity.Described empty sun protection device passes hot linked thermodynamic-driven device by one with described heat pipe hot junction, is in transmission connection with thermodynamic-driven device or forms with the integrally manufactured heat straight-tube of thermodynamic-driven device, and described empty sun protection device has two kinds of stable states: heat straight-tube is stretched out the unlatching heat conduction state conducting heat while connecting cover glass tube tail end; The adiabatci condition of closing that heat straight-tube is retracted and do not conducted heat while connecting cover glass tube tail end.Described thermodynamic-driven device comprises one of temperature-sensitive permanent-magnet steel driving element, bimetallic strip driver part, memory alloy actuator part, bellows driving element.Wherein, described temperature-sensitive permanent-magnet steel driving element comprises a temperature-sensitive permanent-magnet steel and a soft iron; On temperature-sensitive permanent-magnet steel, shadow shield is set.Temperature-sensitive permanent-magnet steel is connected with described heat pipe hot junction low thermal resistance by a thermal conductance; Soft iron is tied and can moves forward and backward and be in transmission connection by transmission steel wire and heat straight-tube along heat collecting element direction of axis line; Heat straight-tube adopts one-dimensional movement auxiliary structure low thermal resistance to be connected with place, bottom, described heat pipe hot junction; Or heat straight-tube adopts one-dimensional movement auxiliary structure low thermal resistance to be connected with a heat sink, described heat sink is connected with place, bottom, described heat pipe hot junction low thermal resistance.Heat straight-tube can move forward and backward along heat collecting element direction of axis line.The outer end shape of heat straight-tube and cover glass tube tail end inner surface match.
Can also make described cover glass tube tail end inner surface low thermal resistance connect a heat radiation paster; The heat transfer state of heat radiation paster and heat straight-tube changes according to the state of thermodynamic-driven device.
Can also make heat straight-tube contain one section of extension diameter section, the matching of the shape of the outer end of extension diameter section and cover glass tube tail end inner surface.
Can also make between heat radiation paster and heat sink adopts the high thermal resistance of jump ring to be connected; Or cover glass tube tail end inner side is connected by a high thermal resistance of jump ring with place, bottom, heat pipe hot junction.
Can also make described thermodynamic-driven device is by a temperature-sensitive permanent-magnet steel and a temperature-sensitive permanent-magnet steel driving element that soft iron forms.Temperature-sensitive permanent-magnet steel is connected with heat pipe hot junction low thermal resistance by a thermal conductance.Above temperature-sensitive permanent-magnet steel, contain shadow shield.Soft iron is tied and can moves forward and backward and be in transmission connection by transmission steel wire and heat straight-tube along heat collecting element direction of axis line.
Can also make described heat collecting element tail end for be no more than the part of heat collecting element total length 6% forward from heat collecting element tail end bottom outer surface.
Beneficial effect of the present invention: the present invention reduce pressure empty sun protection metal heat pipe vacuum heat collection element adopt the heat radiation of place, heat pipe bottom collect liquid refrigerant in place, bottom, heat pipe hot junction, the empty sun protection design of blocking-up inside heat pipe two phase flow heat transfer, heat radiation power can reduce greatly.For example: a heat collecting element of exporting 70 watts, 3 milliliters of working medium filling weights.Employing dispels the heat to prevent the technical scheme of heat pipe air drying creep failure at the uniform controlled heat transfer path of heat pipe hot end surface, the heat radiation power of controlled heat transfer path is 40 watts, and inside heat pipe temperature also has more than 150 ℃, and corresponding water vapor pressure still can reach 5 atmospheric pressure.For wall thickness, for thin copper heat pipe, still have copper pipe shell generation creep to make the danger of heat pipe failure.The present invention is for the heat collecting element of 70 watts of same outputs, and decompression empty sun protection heat transfer path only needs 10 watts of heat radiation powers, just can when air drying occurs, with the speed of 0.25 ml/min, absorb the water of inside heat pipe.Air drying started after approximately 6 minutes; although 95 ℃ when the temperature on heat pipe surface starts from empty sun protection are at that time increased to approximately 130 ℃; but heat pipe hot junction is inner except all dry up in place, bottom, vapour pressure has been less than 1.5 atmospheric pressure, and heat pipe has been protected in a safe condition.The heat radiation power of saving 30 watts makes cost have larger reduction, reduces heat transfer path venting 75% and the reliability of vacuum heat-insulating layer are increased substantially.Key is the empty sun protection problem that can effectively solve metal heat pipe.The present invention adopts a small-power empty sun protection device just can guarantee that inside heat pipe water vapor pressure is no more than 2 atmospheric pressure all the time, and does not affect the normal work of heat collecting element completely.
Heat straight-tube heat transfer area is large, rigidity strong, it is few to the absorption resource occupation of heat collecting element to utilize heat collecting element bottom to build heat transfer path.Employing is with the heat straight-tube of extension diameter section, for the abundant heat transfer between the thinner copper heat pipe of diameter and the thicker cover glass tube of diameter provides a suitable solution.
The present invention is minimum can replace original four paws jump ring with a wire circlip, increase again a temperature-sensitive permanent-magnet steel, a soft iron, a spring, a transmission steel wire, a thermal conductance, 6 parts of a heat straight-tube, and connect described parts by the high thermal resistance of wire circlip.Simple for structure, easy to assembly.
Temperature-sensitive permanent-magnet steel driving element high conformity, reproducible, control accuracy is high, long service life, performance are satisfactory.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is further described.
Fig. 1 is a decompression empty sun protection metal heat pipe vacuum heat collection element composite construction schematic diagram.
Fig. 2 is the light-pipe structure gravity assisted heat pipe structural representation of a tiltably-mounted.
Fig. 3 is the expanded view of a slice heat straight-tube.
Fig. 4 is an all-glass vacuum solar energy collection tube structural representation.
1. heat pipes in figure; 2. cover glass tube; 3. heat straight-tube; 4. temperature-sensitive permanent-magnet steel; 5. soft iron; 6. thermal conductance; 7. transmission steel wire; 8. spring; 9. extension diameter section; 10. outer end; 11. square holes; 12. breach; 13. inner glass tubes; 14. four paws jump rings.
The specific embodiment
Fig. 1 provides one embodiment of the invention.
In Fig. 1; in vacuum heat-insulating layer between metal heat pipe vacuum heat collection element cover glass tube 2 tail ends and heat pipe 1 tail end; an embedded straight tube heat-tube vacuum heat collecting element decompression empty sun protection device is set, forms a decompression empty sun protection metal heat pipe vacuum heat collection element.Metal heat pipe vacuum heat collection element is with cutting down sealing-in cover glass tube and wing sheetmetal heat pipe is made.Empty sun protection device is comprised of temperature-sensitive permanent-magnet steel driving element and heat straight-tube 3.Temperature-sensitive permanent-magnet steel driving element comprises a temperature-sensitive permanent-magnet steel 4 and a soft iron 5; Temperature-sensitive permanent-magnet steel 4 is connected with heat pipe 1 hot junction low thermal resistance by thermal conductance 6.While needing, shadow shield is set on temperature-sensitive permanent-magnet steel 4 and prevents that sunshine direct projection from making its misoperation at the temperature-sensitive permanent-magnet steel 4 in vacuum heat-insulating layer.Thermal conductance has solved the large problem of transmission of heat by contact thermal resistance between temperature-sensitive permanent-magnet steel 4 and heat pipe 1.Soft iron 5 is tied and can moves forward and backward and be in transmission connection by transmission steel wire 7 and heat straight-tube 3 along heat collecting element direction of axis line, and soft iron 5 is subject to spring 8 thrust to pushed away from permanent-magnet steel 4 or has the trend that pushed away from permanent-magnet steel 4.The board making that heat straight-tube 3 available thickness is 0.22 millimeter, heat straight-tube is with one section of extension diameter section 9, the shape of outer end 10 of extension diameter section 9 and matching of cover glass tube 2 tail end inner surfaces.Heat straight-tube 3 adopts one-dimensional movement auxiliary structure low thermal resistance to be connected with heat pipe 1 place, bottom, hot junction, and heat straight-tube 3 can be stretched out to retract along heat pipe 1 direction of axis line and be moved forward and backward.
Cover glass tube 2 tail ends inner sides can adopt between locating with heat pipe 1 bottom, hot junction a jump ring to comprise wire circlip and the high thermal resistance of four paws jump ring to be connected the location of realizing between cover glass tube 2 and heat pipe 1 that (four paws jump ring is for for purpose of brevity, in Fig. 1, do not draw, but with Fig. 4, illustrate specially).Or can also be with a heat radiation paster matching with cover glass tube 2 tail end inner surface configurations, and adopt the high thermal resistance of wire circlip to be connected between described heat radiation paster and heat pipe 1.The content of wire circlip can be with reference to prior art.
The operation principle of Fig. 1 embodiment: the heat collecting element that described decompression empty sun protection device is installed when embedding is normally in tilted layout and during not in air drying state; temperature-sensitive permanent-magnet steel 4 temperature that are connected with heat pipe 1 low thermal resistance do not reach loss of excitation temperature; temperature-sensitive permanent-magnet steel 4 hold soft iron 5 by heat straight-tube 3 toward Zola; make heat straight-tube 3 not contact cover glass tube 2 tail ends, empty sun protection device is in closing adiabatci condition.Heat collecting element is thermal-arrest normally.
When heat collecting element is during in air drying state, temperature-sensitive permanent-magnet steel 4 temperature rising magnetic force disappear, and spring 8 is pushed soft iron 5 and heat straight-tube 3 to the right side, heat straight-tube 3 are stretched out conduct heat to connect cover glass tube 2 tail ends, and empty sun protection device is in opening heat conduction state.The heat energy in heat pipe 1 hot junction is lost to environment continually by empty sun protection device.The steam of heat pipe 1 inside flows to place, bottom and condenses and be collected in place, bottom under differential pressure action, clamps down on heat pipe 1 internal pressure all the time in low level, and assurance inside heat pipe pressure low level is realized the empty sun protection of heat collecting element.
Heat collecting element departs from air drying state later, and temperature-sensitive permanent-magnet steel 4 temperature reduce magnetic force to be recovered and attract soft iron 5 to make heat straight-tube 3 retract not conduct heat to connect cover glass tube 2 tail ends, and empty sun protection device is in closing adiabatci condition, and heat collecting element can normally be worked again.
Fig. 1 embodiment is for the metal heat pipe vacuum heat collection element of cover glass tube 2 diameters 70; do not adopt at cover glass tube tail end inwall and heat radiation paster is set and between heat pipe 1 hot junction and heat straight-tube 3, heat sink is not set, the heat radiation power of described empty sun protection device also can reach more than 10 watts.
Change the temperature-sensitive permanent-magnet steel driving element of Fig. 1 into bimetal leaf thermodynamic-driven device or change memory alloy actuator part into or change into and when bellows driving element also can be realized air drying, make heat straight-tube 3 stretch out to conduct heat to connect, working medium is locked in to the empty sun protection mechanism that heat pipe 1 place, bottom, hot junction realizes heat pipe 1 inner pressure relief.
Fig. 3 provides the expanded view of heat straight-tube 3.
In Fig. 3, heat straight-tube 3 is unfolded.Its square hole 11 contacts and establishes with four paws jump ring for avoiding.Breach 12 is established for being processed into the shape matching with cover glass tube 1 tail end medial surface.
Fig. 4 provides the structural representation of an all-glass vacuum solar energy collection tube.
In Fig. 4, with sealed-off after cover glass tube 2 and the filling working medium of inner glass tube 14, make a heat pipe 1, the length in heat pipe 1 hot junction is 1.8 meters.The outer surface of inner glass tube 13 is made absorbing film.Four paws jump ring 14 is arranged between cover glass tube 2 tail ends and inner glass tube 13 tail ends.
Claims (2)
1. empty sun protection metal heat pipe vacuum heat collection element reduces pressure, by metal heat pipe vacuum heat collection element and the empty sun protection device being placed in described heat collecting element tail end vacuum heat-insulating layer, formed, metal heat pipe vacuum heat collection element is with cutting down sealing-in cover glass tube and wing sheetmetal heat pipe is made, described heat collecting element is vertical or tilt to install, described heat pipe relies on gravity work, described empty sun protection device passes hot linked thermodynamic-driven device by one with described heat pipe hot junction, be in transmission connection with thermodynamic-driven device or the heat straight-tube composition integrally manufactured with thermodynamic-driven device, described empty sun protection device has two kinds of stable states: heat straight-tube is stretched out the unlatching heat conduction state conducting heat while connecting cover glass tube tail end, the adiabatci condition of closing that heat straight-tube is retracted and do not conducted heat while connecting cover glass tube tail end, is characterized in that described thermodynamic-driven device comprises temperature-sensitive permanent-magnet steel driving element, temperature-sensitive permanent-magnet steel driving element comprises a temperature-sensitive permanent-magnet steel and a soft iron, on temperature-sensitive permanent-magnet steel, be provided with shadow shield, temperature-sensitive permanent-magnet steel is connected with described heat pipe hot junction low thermal resistance by a thermal conductance, soft iron is tied and can moves forward and backward and be in transmission connection by transmission steel wire and heat straight-tube along heat collecting element direction of axis line, heat straight-tube adopts one-dimensional movement auxiliary structure low thermal resistance to be connected with place, bottom, described heat pipe hot junction, or heat straight-tube adopts one-dimensional movement auxiliary structure low thermal resistance to be connected with a heat sink, described heat sink is connected with place, bottom, described heat pipe hot junction low thermal resistance, heat straight-tube can move forward and backward along heat collecting element direction of axis line, the outer end shape of heat straight-tube and cover glass tube tail end inner surface match.
2. according to heat collecting element claimed in claim 1, it is characterized in that described cover glass tube tail end inner surface low thermal resistance connects a heat radiation paster; The heat transfer state of heat radiation paster and heat straight-tube changes according to the state of thermodynamic-driven device.
3. according to heat collecting element claimed in claim 1, it is characterized in that heat straight-tube contains one section of extension diameter section, the matching of the shape of the outer end of extension diameter section and cover glass tube tail end inner surface.
4. according to heat collecting element claimed in claim 1, between it is characterized in that dispelling the heat paster and heat sink, adopt the high thermal resistance of jump ring to be connected; Or cover glass tube tail end inner side is connected by a high thermal resistance of jump ring with place, bottom, heat pipe hot junction.
5. according to heat collecting element claimed in claim 1, it is characterized in that described heat collecting element tail end for being no more than the part of heat collecting element total length 6% forward from heat collecting element tail end bottom outer surface.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310142249.1A CN103225907B (en) | 2013-04-22 | 2013-04-22 | Pressure reducing air sunning protecting metal heat pipe vacuum heat collection component |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310142249.1A CN103225907B (en) | 2013-04-22 | 2013-04-22 | Pressure reducing air sunning protecting metal heat pipe vacuum heat collection component |
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| CN103225907B true CN103225907B (en) | 2014-12-03 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1981001044A1 (en) * | 1979-10-09 | 1981-04-16 | S Yard | Sealing-and venting device for a solar collector |
| CN102003805A (en) * | 2009-09-03 | 2011-04-06 | 施国庆 | Heat accumulation type temperature control vacuum heat collection element without thermal short circuit |
| CN203190691U (en) * | 2013-04-22 | 2013-09-11 | 海宁伊满阁太阳能科技有限公司 | Pressure-reducing idle sunning protection metal heat pipe vacuum heat-collecting element |
-
2013
- 2013-04-22 CN CN201310142249.1A patent/CN103225907B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1981001044A1 (en) * | 1979-10-09 | 1981-04-16 | S Yard | Sealing-and venting device for a solar collector |
| CN102003805A (en) * | 2009-09-03 | 2011-04-06 | 施国庆 | Heat accumulation type temperature control vacuum heat collection element without thermal short circuit |
| CN203190691U (en) * | 2013-04-22 | 2013-09-11 | 海宁伊满阁太阳能科技有限公司 | Pressure-reducing idle sunning protection metal heat pipe vacuum heat-collecting element |
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| CN103225907A (en) | 2013-07-31 |
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Owner name: YING DEMING Free format text: FORMER OWNER: HAINING IEMYC SOLAR ENERGY EQUIPMENT CO., LTD. Effective date: 20140813 |
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