CN103225903A - Pressure reducing air sunning protecting insertion type heat pipe vacuum heat collection component - Google Patents
Pressure reducing air sunning protecting insertion type heat pipe vacuum heat collection component Download PDFInfo
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- CN103225903A CN103225903A CN2013101413191A CN201310141319A CN103225903A CN 103225903 A CN103225903 A CN 103225903A CN 2013101413191 A CN2013101413191 A CN 2013101413191A CN 201310141319 A CN201310141319 A CN 201310141319A CN 103225903 A CN103225903 A CN 103225903A
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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
Abstract
The invention discloses a pressure reducing air sunning protecting insertion type heat pipe vacuum heat collection component, which comprises an all-glass vacuum heat pipe heat collection component, an air sunning protector and an insertion heat pipe, wherein the air sunning protector comprises a thermal force driving device connected with the tail end of an inner glass pipe in a heat transmission manner and a heat transmission straight drum; the pressure reducing air sunning protecting insertion type 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 connected with the tail end in low thermal resistance through a heat sink by adopting a one-dimensional sliding pair. A boosting air sunning protecting insertion type heat pipe vacuum heat collection component comprises an all-glass vacuum heat pipe heat collection component, a boosting air sunning protector and an insertion type heat pipe; and the boosting air sunning protector comprises a boosting thermal force driving device connected with the tail end of the inner glass pipe in a heat transmission manner and a heat transmission straight drum; and the boosting air sunning protecting insertion type 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 insertion type heat pipe vacuum heat collection component can ensure that the pressure inside the insertion type heat pipe is at most twice as big as the atmospheric pressure by adopting a small power air sunning protector; and normal work of the heat collection component is not affected.
Description
Technical field
The empty protection plug-in type heat-tube vacuum heat collecting element that shines the present invention relates to reduce pressure.
Background technology
Vacuum heat collection pipe is provided with vacuum heat-insulating layer between its cover glass tube and inner glass tube, can make the vacuum solar water heater that also can provide the domestic hot-water winter.With the solar water heater of heat-pipe vacuum heat collecting pipe manufacturing have more anhydrous Energy Efficiency Ratio height in the pipe, meet the safe drinking water standard, single tube damages advantage such as in the same old way work.Therefore.Anhydrous solar energy evacuated heat pipe water heater might capture the increasing market share in the pipe.
Adopt the integrated glass heat pipe have can with cover glass tube melt envelope, glass heat pipe surface can directly make absorbing film heat transfer link few, can adopt the splendid water of thermophysical property to make advantages such as working medium.
But during empty the solarization, heat collecting element inside heat pipe temperature can reach 230 ℃, and the saturated vapor pressure of this temperature correspondence is 28.53 atmospheric pressure, and corresponding working medium filling weight is that the working medium volumetric ratio is 1.1% with the ratio of heat pipe volume, and promptly per 1 liter capacity has 11 ml waters.
The pressure of inside heat pipe in the time of can reducing empty the solarization by reducing the working medium filling weight, with water conservancy project matter is 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 about 3.7 atmospheric pressure of 140 ℃ from about 10 atmospheric pressure of 180 ℃, and inside heat pipe internal pressure when 140 ℃ of about 3.7 atmospheric high-vapor-pressures continue to be warming up to 180 ℃ only has about 4 atmospheric pressure.But the internal pressure when the working medium filling weight can not only shine with sky sometimes decides.For a 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 for make empty when shining 230 ℃ internal pressure be no more than 4 atmospheric pressure, then the working medium filling weight is about 1.8 milliliters.Be light-pipe structure even problem is described heat pipe, when work were spent in inclination about 45, the condensed water of cold junction, the circulating water in hot junction added that 0.353 milliliter of sum of the water yield of 85 ℃ of water vapours can be far away from 1.8 milliliters.
Make working medium filling weight/heat pipe plot ratio greater than 0.2% even 0.3% in order to satisfy the heat pipe operate as normal, and guarantee not bombing of glass heat pipe, must take the empty safeguard measure of shining because sky shines.
The Chinese invention patent 2009101951003 anti-empty all-glass vacuum heat collector tube elements that shine; disclosed a kind of empty protection all-glass vacuum heat collector tube element that shines; constitute by between vacuum heat collection element absorber and cover glass-tube, controlled heat transfer path being set; controlled heat transfer path is made up of movable heat transfer piece and actuator, it is characterized in that containing the heating power transducing actuator that is connected with vacuum heat collection element absorber low thermal resistance.Because this patent is not specially at the gravity assisted heat pipe heat collecting element, thereby specific aim is not strong; The original consistency of product of bimetal leaf heating power transducing actuator that it adopts is just bad, restorable ability can reduce again after temperature distortion repeatedly, 20 year possible projected life of operating point settings that its control system of bearing is relevant, control variables input, comparison, transducing and energy are supplied with and the execution function far can not normally effectively be worked because precision is affected heat collecting element.
Fig. 4 provides the light-pipe structure gravity assisted heat pipe structural representation of a tiltably-mounted.
Among Fig. 4, heat pipe 1 is made by shell and internal working medium.Its operation principle is: heat energy is i.e. inwards arrow sign input 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 the heat pipe cold junction and be arrow side by side outwards the sign place emit heat energy and be supplied to load and be condensed into the cold junction of liquid below under the gravity effect, being back to, in the vaporization of being heated once more of hot junction working medium ..., constantly circulation realizes the 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, then its cold junction output is the highest can reach 97 watts even higher.
If attempt heat pipe 1 to Fig. 4 only from following input heat energy, and do not take heat energy away, then heat pipe 1 steam inside is pressed and can sharply be risen.If heat pipe 1 adopts water as working medium and abundant, then when heat pipe 1 temperature reached 230 ℃, inner maximum pressure can reach 28.53 atmospheric pressure.
If attempt to the comprehensive from top to bottom heating of the heat pipe 1 of Fig. 4 and from the following local one section taking-up heat energy that accounts for whole heat pipe 1 length 3% that for example begins from the bottom a little more than heat pipe 1 bottom, promptly only make position that the bottom accounts for heat pipe 1 total length 3% forward simultaneously as overlapping cold junction, then the vapour pressure of heat pipe 1 inside can drop to and the corresponding saturated vapor pressure of the temperature of following cold junction.When for example water is as working medium, 100 ℃ of the temperature of maintenance heat pipe 1 following overlapping cold junction, even then top other parts are heated to 230 ℃, because the liquid refrigerant of heat pipe 1 inside all is collected in described overlapping cold junction, heat pipe 1 hot junction above except that described overlapping cold junction is not owing to there is working medium to replenish whole drying up, and the 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 is that thermotube wall has absorbing film, absorbs sunshine and imports as heat energy, connects described thermotube wall with heat transfer device low thermal resistance simultaneously and heat energy is shifted.
Thisly make that heat pipe 1 is in tilted layout, heat energy is imported and only perhaps do not had what meaning with following a bit of design as overlapping cold junction in other occasions above heat pipe 1, but the sky that is used for solar collection element shines protection, because only need minimum a part of heat radiation power---this part heat radiation power is used to guarantee empty the solarization when taking place, and the peak of the initial stage inside heat pipe vapour pressure that empty solarization protective device begins to work is no more than setting value; This part heat radiation power also is greater than the heat energy input power of described overlapping cold junction as the hot junction---thus have radiating element volume compact, dependable performance, heat radiation power little, to the venting of vacuum heat-insulating layer less, to absorber to block influence little and can utilize the advantage of heat collecting element tail end as heat dissipation interface.
Can see that the needed heat radiation power of more little, the described empty solarization protection device of the area of overlapping cold junction is also more little, favourable more.Actual heat collecting element needs the device of tail box and so on to settle.The tail box can hide the tail end of heat collecting element.The part that is hidden by the tail box does not belong to overlapping cold junction.Why also can use overlapping cold junction; be because some heat collecting elements empty shine protective device relatively be fit to be installed on vacuum heat-insulating layer drum-shaped section or; the heat collecting element cover glass tube has necking segment and is to adopt in necking segment to form back assembling inner glass tube, and then draws tail pipe to be called for short the technology of post-tensioning tail pipe to cover glass tube circle envelope.If the round end-blocking that post-tensioning tail pipe technology forms is not suitable for heat radiation, dispel the heat from described round end-blocking cover glass tube drum-shaped section up with regard to needing to utilize.Belong to overlapping cold junction with corresponding heat pipe of described drum-shaped section or inner glass tube end section.
China's 912050845 utility model electric cookers have been introduced a kind of pyromagnetic power inverting element operation principle of utilizing with automatic magnetic temperature detect switch (TDS).
Summary of the invention
The objective of the invention is to provide decompression the empty protection plug-in type heat-tube vacuum heat collecting element that shines.
The present invention solves one of technical scheme that its technical problem takes: an empty protector that shines is set in the vacuum heat-insulating layer of an all-glass vacuum heat collector tube element tail end; inner glass tube internal chamber wall low thermal resistance at all-glass vacuum heat collector tube element connects a plug-in type heat pipe, forms an empty protection plug-in type heat-tube vacuum heat collecting element that shines of decompression.All-glass vacuum heat collector tube element is made with cover glass tube and the sealing-in of inner glass tube nested, concentric layout.Described heat collecting element is vertical or tilt to install the work of described heat pipe dependence gravity.Empty solarization protector comprises a thermodynamic-driven device that is connected with the heat transfer of inner glass tube tail end and is in transmission connection or the heat transfer straight tube integrally manufactured with the thermodynamic-driven device with the thermodynamic-driven device.The described empty protector that shines has two kinds of stable states: the straight tube that conducts heat stretches out the unlatching heat conduction state that conducts heat when connecting the cover glass tube tail end; The straight tube withdrawal of the conducting heat adiabatci condition of closing when connecting the cover glass tube tail end of not conducting heat.Described thermodynamic-driven device comprises temperature-sensitive permanent-magnet steel driving element, bimetallic strip driver spare, memory alloy actuator spare and bellows driving element.Conduct heat and directly or by a hot remittance to be connected between straight tube and the inner glass tube tail end with one dimension moving sets low thermal resistance.The straight tube that conducts heat can move forward and backward along the heat collecting element direction of axis line; Conducting heat directly, the outer end shape and the cover glass tube tail end inner surface of tube match.
Can also make described thermodynamic-driven device comprise a temperature-sensitive permanent-magnet steel and a soft iron; The temperature-sensitive permanent-magnet steel is connected with the inner glass tube low thermal resistance by thermal conductance; Soft iron is tied and can moves forward and backward and be in transmission connection by the transmission steel wire and the straight tube that conducts heat along the heat collecting element direction of axis line.
The present invention solves two of technical scheme that its technical problem takes: the empty protector that shines of a boosting is set in the vacuum heat-insulating layer of all-glass vacuum heat collector tube element tail end; inner glass tube internal chamber wall low thermal resistance at all-glass vacuum heat collector tube element connects a plug-in type heat pipe, forms an empty protection plug-in type heat-tube vacuum heat collecting element that shines of boosting decompression.All-glass vacuum heat collector tube element is made with cover glass tube and the sealing-in of inner glass tube nested, concentric layout.Described heat collecting element is vertical or tilt to install the work of described heat pipe dependence gravity.The empty solarization of boosting decompression protector comprises a boosting thermodynamic-driven device that is connected with the heat transfer of inner glass tube tail end and is in transmission connection or the heat transfer straight tube integrally manufactured with boosting thermodynamic-driven device with boosting thermodynamic-driven device.The empty protector that shines of boosting has two kinds of stable states: the straight tube that conducts heat stretches out the unlatching heat conduction state that conducts heat when connecting the cover glass tube tail end; The straight tube withdrawal of the conducting heat adiabatci condition of closing when connecting the cover glass tube tail end of not conducting heat.Conduct heat and directly or by a hot remittance to be connected between straight tube and the inner glass tube tail end with one dimension moving sets low thermal resistance.The straight tube that conducts heat can move forward and backward along the heat collecting element direction of axis line; The outer end shape of straight tube of conducting heat and matching of cover glass tube tail end inner surface.Described boosting thermodynamic-driven device comprise temperature-sensitive permanent-magnet steel soft iron drive to bimetal leaf boosting parts.Temperature-sensitive permanent-magnet steel soft iron drives comprising a temperature-sensitive permanent-magnet steel and a soft iron.The temperature-sensitive permanent-magnet steel is connected with inner glass tube or heat pipe hot junction low thermal resistance by a thermal conductance.Soft iron is tied and can does moving forward and backward and being in transmission connection by the transmission steel wire and the straight tube that conducts heat along the heat collecting element direction of axis line.Described temperature-sensitive permanent-magnet steel soft iron drives containing the linkage interface with bimetal leaf boosting parts.Described bimetal leaf boosting parts the temperature-sensitive permanent-magnet steel from the loss of excitation state to the temperature-fall period that has magnetic state to change, produce deformation and help to promote temperature-sensitive permanent-magnet steel soft iron and drive adhesive.
Can also make cover glass tube tail end inner surface low thermal resistance connect a heat radiation paster.
Adopt the high thermal resistance of jump ring to be connected between can also making the heat radiation paster and heat being converged; Perhaps the cover glass tube tail end is inboard is connected by a high thermal resistance of jump ring with the inner glass tube tail end.
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 shine protection plug-in type heat-tube vacuum heat collecting element adopt the heat radiation of place, heat pipe bottom collect liquid refrigerant in place, bottom, heat pipe hot junction, the sky of blocking-up inside heat pipe two phase flow heat transfer shines the protection design, heat radiation power can reduce greatly.For example: a heat collecting element of exporting 70 watts, 3 milliliters of working medium filling weights.Employing is dispelled the heat at the uniform controlled heat transfer path of heat pipe hot end surface and is prevented the technical scheme of heat pipe bombing, the heat radiation power of controlled heat transfer path is 40 watts, the inside heat pipe temperature is the highest to be also had more than 150 ℃, and corresponding water vapor pressure still can reach the voltage endurance capability that 4.8 atmospheric pressure exceed 58 millimeters of external diameters, 1.8 millimeters inner glass tubes of wall thickness.The present invention is for the heat collecting element of 70 watts of same outputs, and the decompression sky shines the protection heat transfer path only needs 10 watts of heat radiation powers, just can come the water of heat absorbing glass inside heat pipe when sky shines generation with the speed of 0.25 ml/min.Empty shine begin about 6 minutes after, though the temperature on plug-in type heat pipe surface raises about 30 ℃ at that time, the heat pipe hot junction is inner removes that the place, bottom is all dry, vapour pressure is less than 1.5 atmospheric pressure.The heat radiation power of saving 30 watts makes cost that bigger reduction is arranged, and the minimizing heat transfer path increases substantially the venting 75% and the reliability of vacuum heat-insulating layer.Key is the bombing problem that can effectively solve the major diameter glass heat pipe.The present invention adopts the empty protector that shines of a small-power just can guarantee that plug-in type inside heat pipe water vapor pressure is no more than 2 atmospheric pressure all the time, and does not influence the operate as normal of heat collecting element fully.
Conducting heat, straight tube heat transfer area is big, rigidity strong, it is few to the absorption resource occupation of heat collecting element to utilize the heat collecting element bottom to make up heat transfer path.
Temperature-sensitive permanent-magnet steel driving element high conformity, good reproducibility, control accuracy height, long service life, performance are satisfactory.
Description of drawings
The present invention is further described below in conjunction with drawings and Examples.
Fig. 1 is that an empty protection plug-in type heat-tube vacuum heat collecting element that shines of boosting decompression is faced structural representation.
Fig. 2 is that empty a solarization of boosting decompression is protected TV structure schematic diagram on the plug-in type heat-tube vacuum heat collecting element.
Fig. 3 is that Fig. 1 looks the sectional structure schematic diagram on the left side at straight tube 7 places of conducting heat.
Fig. 4 is the light-pipe structure gravity assisted heat pipe structural representation of a tiltably-mounted.
Fig. 5 is the expanded view of the straight tube of a slice heat transfer.
Fig. 6 is an all-glass vacuum heat collector tube tubular construction schematic diagram.
1. heat pipes among the figure; 2. cover glass tube; 3. inner glass tube; 4. heat radiation paster; 5. heat is converged; 6. boosting temperature-sensitive permanent-magnet steel driving element; 7. straight tube conducts heat; 8. temperature-sensitive permanent-magnet steel; 9. soft iron; 10. bimetal leaf boosting parts; 11. thermal conductance; 12. shadow shield; 13. plate washer; 14. transmission steel wire; 15. spring; 16. connecting plate; 17. four paws jump ring; 18. square hole; 19. breach.
The specific embodiment
Fig. 1, Fig. 2 and Fig. 3 provide one embodiment of the invention.
Among Fig. 1 to 3; the empty protector that shines of a boosting is set in the vacuum heat-insulating layer of an all-glass vacuum heat collector tube element; inner glass tube 3 internal chamber wall low thermal resistances at all-glass vacuum heat collector tube element connect a plug-in type heat pipe 1, form an empty protection plug-in type heat-tube vacuum heat collecting element that shines of boosting decompression.All-glass vacuum heat collector tube element is made with cover glass tube 2 and the sealing-in of inner glass tube 3 nested, concentric layout.The empty protector that shines of boosting comprises heat radiation paster 4, hot remittance 5, boosting temperature-sensitive permanent-magnet steel driving element 6 and conducts heat straight tube 7 compositions.The shape of heat radiation paster 4 outer surfaces and the shape of cover glass tube 2 tail end inner surfaces match.0.22 millimeter of heat radiation paster 4 thickness, 40 millimeters of width.Heat radiation paster 4 usefulness jump rings overlay in cover glass tube 2 inwalls.0.22 millimeter of 5 thickness of heat remittance, 40 millimeters of width.Boosting temperature-sensitive permanent-magnet steel driving element 6 comprises a temperature-sensitive permanent-magnet steel 8, a soft iron 9 and bimetal leaf boosting parts 10; Temperature-sensitive permanent-magnet steel 8 is connected with inner glass tube 3 low thermal resistances by thermal conductance 11; Contain shadow shield 12 above the temperature-sensitive permanent-magnet steel 8, prevent that the temperature-sensitive permanent-magnet steel 8 of sunshine direct projection in being in vacuum heat-insulating layer from making its misoperation.Soft iron 9 is subjected to both sides plate washer 13 constraint to move forward and backward and be in transmission connection for straight 7 with conducting heat by transmission steel wire 14 along the heat collecting element direction of axis line, and soft iron 9 is subjected to spring 15 thrust to be pushed away permanent-magnet steel 8 or have the trend that is pushed away permanent-magnet steel 8.Conduct and bimetal leaf boosting parts 10 free-ended linkage interfaces in the middle of soft iron 9 outsides.The stiff end of bimetal leaf boosting parts 10 is connected with plate washer 13.Straight 0.22 millimeter of 7 thickness of tube, 40 millimeters of width conduct heat.The straight tube 7 that conducts heat converges with heat and adopts one dimension moving sets structure low thermal resistance to be connected between 5, and the straight tube 7 that conducts heat can be done to stretch out withdrawal along the heat collecting element direction of axis line and move forward and backward.Heat remittance 5 parcel low thermal resistances connect place, bottoms, heat pipe 1 hot junction and overlay on inner glass tube 3 with jump ring.The outer end shape of straight tube 7 of conducting heat and matching of heat radiation paster 4 inner surfaces.0.22 millimeter of thermal conductance 11 thickness, 20 millimeters of width, be rolled into tubular.Thermal conductance 11 and heat are converged and 5 to be connected by the high thermal resistance of a slice connecting plate 16 rigidity.Cover glass tube 2 tail ends inboard with inner glass tube 3 tail ends between be connected location (the four paws jump ring does not draw, but illustrates with Fig. 6 specially for for purpose of brevity) between realization cover glass tube 2 and the inner glass tube 3 by four paws jump ring 17 high thermal resistances in Fig. 1,2.
The making material of heat radiation paster 4, heat remittance 5, the straight tube 7 that conducts heat comprises steel plate, aluminium sheet and copper coin.
The operation principle of Fig. 1 to 3 embodiment: when embedding is equipped with that the empty heat collecting element that shines protector of described decompression normally is in tilted layout and when not being in empty solarization state; sunshine is converted to heat energy on the inner glass tube absorbing film, heat energy passes to plug-in type glass shell body heat pipe 1 internal working medium by inner glass tube and makes it vaporization.Because heat pipe 1 cold junction temperature is lower than 95 ℃, working substance steam flows to the cold junction heat release and condenses into that liquid returns the hot junction under the gravity effect and the vaporization of being heated once again under differential pressure action ... so go round and begin again and realize the two phase flow heat transfer circulation.
At this moment; temperature-sensitive permanent-magnet steel 8 temperature that are connected with inner glass tube 3 low thermal resistances by thermal conductance 11 do not reach the loss of excitation temperature; temperature-sensitive permanent-magnet steel 8 holds soft iron 9 will conduct heat straight tube 7 toward the Zola, make the straight tube 7 of heat transfer not contact heat radiation paster 4, and empty solarization protector is in closes adiabatci condition.The normal thermal-arrest of heat collecting element.Marginal position when the peviform dotted line is represented to conduct heat straight 7 withdrawal among Fig. 1.
When heat collecting element was in empty solarization state, temperature-sensitive permanent-magnet steel 8 temperature rising magnetic force disappeared, and spring 14 is pushed the soft iron 9 and the straight tube 7 that conducts heat to the right side, the straight tube 7 that conducts heat being stretched out conduct heat to connect heat radiation paster 4, and the empty protector that shines is in the heat conduction state of opening.The heat energy in heat pipe 1 hot junction is lost to environment continually by inner glass tube 3 and the empty protector that shines.The steam of heat pipe 1 inside flows to bottom place and condenses and be collected in the place, bottom under differential pressure action, clamp down on heat pipe 1 internal pressure and be in low level all the time, guarantees that heat collecting element can bombing not realize that the sky of heat collecting element shines protection.Because the constraint of bimetal leaf boosting parts 10, maximum 2 millimeters of the distance that soft iron 9 moves right can attract soft iron 9 to return when temperature-sensitive permanent-magnet steel 8 magnetic force recover after can guaranteeing so once again.
When heat collecting element was in empty solarization state, high its shape of the temperature of bimetal leaf boosting parts 10 was curved left, guaranteed that soft iron 9 tensions move to right.
Later on heat collecting element breaks away from empty solarization state, and temperature-sensitive permanent-magnet steel 8 temperature reduce magnetic force to be recovered and attract soft iron 9 to make to conduct heat straight tube 7 withdrawals not conduct heat to connect heat radiation paster 4, and the empty protector that shines is in and closes adiabatci condition, but heat collecting element operate as normal again.
Bimetal leaf boosting parts 10 temperature-sensitive permanent-magnet steel 8 from the loss of excitation state to the temperature-fall period that has magnetic state to change, produce the deformation intermediate portion left projection promote soft iron 9 and be moved to the left (shown in Fig. 2 mean camber line).Because the existence of bimetal leaf boosting parts 10; overcome associated components such as the heat transfer path of the linear expansion coefficient metal manufacturing more much bigger and temperature-sensitive permanent-magnet steel driving element 6 because Various Seasonal is expanded with heat and contract with cold and made soft iron 9 far away excessively from temperature-sensitive permanent-magnet steel 8 than inner glass tube 3; the empty inadequately problem of shining the protector cisco unity malfunction of temperature-sensitive permanent-magnet steel 8 suction makes 6 work of temperature-sensitive permanent-magnet steel driving element more rapid reliable.
Fig. 1 to 3 embodiment does not adopt heat radiation paster and Re Hui for the all-glass vacuum heat collector tube element of cover glass tube diameter 70, inner glass tube diameter 58, and the described empty heat radiation power that shines protector also can reach more than 10 watts.
Fig. 5 provides the expanded view of the straight tube 7 that conducts heat.
Among Fig. 5, the straight tube 7 that conducts heat is unfolded.Its square hole 18 is established for avoiding the four paws jump ring.Breach 19 is established for being processed into the shape that matches with cover glass tube tail end medial surface.
Fig. 6 provides the structural representation of an all-glass vacuum thermal-collecting tube.
Among Fig. 6, arrange sealing-in, make an all-glass vacuum heat collector tube element with cover glass tube 2 and inner glass tube 3 nested, concentric.Inner glass tube 3 from sealing-in place stretch out forward and inside vacuumize can working medium after sealed-off make a heat pipe 1, the length in heat pipe 1 hot junction is 1.8 meters.The outer surface of inner glass tube 3 is made absorbing film.Four paws jump ring 17 is arranged between cover glass tube 2 tail ends and inner glass tube 3 tail ends.
Claims (6)
1. empty solarization of decompression protected plug-in type heat-tube vacuum heat collecting element, an empty protector that shines is set in the vacuum heat-insulating layer of all-glass vacuum heat collector tube element tail end, inner glass tube internal chamber wall low thermal resistance at all-glass vacuum heat collector tube element connects a plug-in type heat pipe composition, all-glass vacuum heat collector tube element is made with cover glass tube and the sealing-in of inner glass tube nested, concentric layout, vertical or the installation of tilting of described heat collecting element, described heat pipe relies on gravity work, empty solarization protector comprises a thermodynamic-driven device that is connected with the heat transfer of inner glass tube tail end and is in transmission connection or the heat transfer straight tube integrally manufactured with the thermodynamic-driven device with the thermodynamic-driven device that the described empty protector that shines has two kinds of stable states: the unlatching heat conduction state that conducts heat when connecting the cover glass tube tail end is stretched out in heat transfer directly tube; The straight tube withdrawal of the conducting heat adiabatci condition of closing when connecting the cover glass tube tail end of not conducting heat; Described thermodynamic-driven device comprises temperature-sensitive permanent-magnet steel driving element, bimetallic strip driver spare, memory alloy actuator spare and bellows driving element, directly or by a hot remittance is connected with one dimension moving sets low thermal resistance between it is characterized in that conducting heat straight tube and the inner glass tube tail end; The straight tube that conducts heat can move forward and backward along the heat collecting element direction of axis line; Conducting heat directly, the outer end shape and the cover glass tube tail end inner surface of tube match.
2. according to the described heat collecting element of claim 1, it is characterized in that described thermodynamic-driven device comprises a temperature-sensitive permanent-magnet steel and a soft iron; The temperature-sensitive permanent-magnet steel is connected with the inner glass tube low thermal resistance by thermal conductance; Soft iron is tied and can moves forward and backward and be in transmission connection by the transmission steel wire and the straight tube that conducts heat along the heat collecting element direction of axis line.
3. empty solarization of boosting decompression protected plug-in type heat-tube vacuum heat collecting element, the empty protector that shines of a boosting is set in the vacuum heat-insulating layer of all-glass vacuum heat collector tube element tail end, inner glass tube internal chamber wall low thermal resistance at all-glass vacuum heat collector tube element connects a plug-in type heat pipe composition, all-glass vacuum heat collector tube element is made with cover glass tube and the sealing-in of inner glass tube nested, concentric layout, vertical or the installation of tilting of described heat collecting element, described heat pipe relies on gravity work, the empty solarization of boosting protector comprises a boosting thermodynamic-driven device that is connected with the heat transfer of inner glass tube tail end and is in transmission connection or the heat transfer straight tube integrally manufactured with boosting thermodynamic-driven device with boosting thermodynamic-driven device that the empty protector that shines of boosting has two kinds of stable states: the unlatching heat conduction state that conducts heat when connecting the cover glass tube tail end is stretched out in heat transfer directly tube; The straight tube withdrawal of the conducting heat adiabatci condition of closing when connecting the cover glass tube tail end of not conducting heat directly or by a hot remittance is connected with one dimension moving sets low thermal resistance between it is characterized in that conducting heat straight tube and the inner glass tube tail end; The straight tube that conducts heat can move forward and backward along the heat collecting element direction of axis line; The outer end shape of straight tube of conducting heat and matching of cover glass tube tail end inner surface; Described boosting thermodynamic-driven device comprise temperature-sensitive permanent-magnet steel soft iron drive to bimetal leaf boosting parts; Temperature-sensitive permanent-magnet steel soft iron drives comprising a temperature-sensitive permanent-magnet steel and a soft iron; The temperature-sensitive permanent-magnet steel is connected with inner glass tube or heat pipe hot junction low thermal resistance by a thermal conductance; Soft iron is tied and can does moving forward and backward and being in transmission connection by the transmission steel wire and the straight tube that conducts heat along the heat collecting element direction of axis line; Described temperature-sensitive permanent-magnet steel soft iron drives containing the linkage interface with bimetal leaf boosting parts; Described bimetal leaf boosting parts the temperature-sensitive permanent-magnet steel from the loss of excitation state to the temperature-fall period that has magnetic state to change, produce deformation and help to promote temperature-sensitive permanent-magnet steel soft iron and drive adhesive.
4. according to claim 1 or 3 described heat collecting elements, it is characterized in that cover glass tube tail end inner surface low thermal resistance connects a heat radiation paster.
5. according to claim 1 or 3 described heat collecting elements, it is characterized in that dispelling the heat paster with adopt the high thermal resistance of jump ring to be connected between heat is converged; Perhaps the cover glass tube tail end is inboard is connected by a high thermal resistance of jump ring with the inner glass tube tail end.
6. according to claim 1 or 3 described heat collecting elements, it is characterized in that described heat collecting element tail end is 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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| CN201310141319.1A CN103225903B (en) | 2013-04-22 | 2013-04-22 | Pressure reducing air sunning protecting insertion type heat pipe vacuum heat collection component |
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| CN201310141319.1A CN103225903B (en) | 2013-04-22 | 2013-04-22 | Pressure reducing air sunning protecting insertion type heat pipe vacuum heat collection component |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5694151A (en) * | 1979-12-27 | 1981-07-30 | Sharp Corp | Selective heat absorption plane at heat collector |
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| JPS5694151A (en) * | 1979-12-27 | 1981-07-30 | Sharp Corp | Selective heat absorption plane at heat collector |
| CN2527924Y (en) * | 2002-02-25 | 2002-12-25 | 杨雄声 | All glass solar vacuum heat-collecting tube with heat-conducting strip |
| CN2791556Y (en) * | 2005-04-28 | 2006-06-28 | 蒋乐书 | Solar heat collecting pipe having builtinpipe |
| CN102003805A (en) * | 2009-09-03 | 2011-04-06 | 施国庆 | Heat accumulation type temperature control vacuum heat collection element without thermal short circuit |
| CN102003816A (en) * | 2009-09-03 | 2011-04-06 | 施国庆 | Empty sunning resistant heat collecting element of all-glass vacuum heat pipe |
| CN203274318U (en) * | 2013-04-22 | 2013-11-06 | 海宁伊满阁太阳能科技有限公司 | Pressure reducing stagnation protection inserting type heat pipe vacuum heat collecting element |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103225903B (en) | 2015-01-21 |
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