CN103225891A - Boosted pressure-reduced air-drying protecting fin-plate heat-pipe vacuum solar collector device - Google Patents
Boosted pressure-reduced air-drying protecting fin-plate heat-pipe vacuum solar collector device Download PDFInfo
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- 238000007605 air drying Methods 0.000 title abstract 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 56
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 44
- 239000010959 steel Substances 0.000 claims abstract description 44
- 229910052742 iron Inorganic materials 0.000 claims abstract description 28
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 21
- 239000011521 glass Substances 0.000 claims abstract description 18
- 230000001012 protector Effects 0.000 claims abstract description 18
- 230000005540 biological transmission Effects 0.000 claims abstract description 11
- 239000006059 cover glass Substances 0.000 claims description 27
- 230000003760 hair shine Effects 0.000 claims description 26
- 230000006837 decompression Effects 0.000 claims description 17
- 230000005855 radiation Effects 0.000 claims description 17
- 230000005484 gravity Effects 0.000 claims description 7
- 230000005284 excitation Effects 0.000 claims description 4
- 230000008859 change Effects 0.000 claims description 3
- 239000000853 adhesive Substances 0.000 claims description 2
- 230000001070 adhesive effect Effects 0.000 claims description 2
- 238000009434 installation Methods 0.000 claims 1
- 230000008901 benefit Effects 0.000 abstract description 5
- 239000007788 liquid Substances 0.000 description 4
- 230000005514 two-phase flow Effects 0.000 description 4
- 238000009834 vaporization Methods 0.000 description 4
- 230000008016 vaporization Effects 0.000 description 4
- 239000006096 absorbing agent Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 229920006395 saturated elastomer Polymers 0.000 description 3
- 230000002463 transducing effect Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 239000003507 refrigerant Substances 0.000 description 2
- 238000013022 venting Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000002384 drinking water standard Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
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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 boosted pressure-reduced air-drying protecting fin-plate heat-pipe vacuum solar collector device consists of a boosted pressure-reduced air-drying protecting fin-plate heat-pipe vacuum solar collection element and a heat-insulating water tank, wherein the boosted pressure-reduced air-drying protecting fin-plate heat-pipe vacuum solar collection element consists of a fin-plate heat-pipe vacuum solar collection element and a boosted air-drying protector; the boosted pressure-reduced air-drying protecting fin-plate heat-pipe vacuum solar collector device is characterized in that a heat-transferring straight barrel is in low thermal resistance connection with the bottom end of a hot end of a heat pipe by using a one-dimensional moving pair structure; the shape of the outer end part of the heat-transferring straight barrel is matched with that of the inner surface of the tail end of a covering glass tube; a boosted thermal driving component comprises a bimetal boosting component, heat-sensitive permanent magnetic steel and soft iron; the soft iron is in transmission connection with the heat-transferring straight barrel; and the bimetal boosting component helps to drive the heat-sensitive permanent magnetic steel and the soft iron driving pair to attract each other when the heat-sensitive permanent magnetic steel is changed from a magnetic loss state to a magnetic state, so that the advantages that the heat-sensitive permanent magnetic steel is large in suction force and good in consistency and the acting distance of a bimetal thrust is long are fully achieved; and through a small-power air-drying protector, the pressure of water steam inside the heat pipe can be ensured to not exceed 2 atmospheric pressures all the time.
Description
Technical field
The present invention relates to the empty protection wing plate heat pipe vacuous solar energy heat collector that shines of boosting decompression.
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. 2 provides the light-pipe structure gravity assisted heat pipe structural representation of a tiltably-mounted.
Among Fig. 2, 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. 2 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. 2 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 the boosting decompression the empty protection wing plate heat pipe vacuous solar energy heat collector that shines.
The present invention solves the technical scheme that its technical problem is taked: with empty protection wing plate heat pipe vacuum heat collection element, adiabatic water tank, tail box, support and the auxiliary of shining of boosting decompression, form an empty protection wing plate heat pipe vacuous solar energy heat collector that shines of boosting decompression.The empty solarization protection of boosting decompression wing plate heat pipe vacuum heat collection element is with wing plate heat pipe vacuum heat collection element and place the empty solarization of the boosting protector in the described heat collecting element tail end vacuum heat-insulating layer to make.Wing plate heat pipe vacuum heat collection element is made by cover glass tube and the inner glass tube nested, concentric layout sealing-in that is set with the wing plate.Inner glass tube from sealing-in place stretch out forward and inside vacuumize can working medium after sealed-off make a heat pipe; Wing plate surface is manufactured with absorbing film.Described heat collecting element is vertical or tilt to install the work of described heat pipe dependence gravity.Described boosting is empty shine protector by one with described heat pipe hot junction conduct heat the boosting thermodynamic-driven device that is connected, be in transmission connection with boosting thermodynamic-driven device or form with the integrally manufactured straight tube of heat transfer of boosting thermodynamic-driven device, the described empty protector that shines has two kinds of stable states: unlatching heat conduction state when stretching out heat transfer connection cover glass tube tail end conducts heat straight; The straight tube withdrawal of the conducting heat adiabatci condition of closing when connecting the cover glass tube tail end of not conducting heat.The straight tube that conducts heat adopts one dimension moving sets structure low thermal resistance to be connected with place, bottom, heat pipe hot junction; The straight tube that perhaps conducts heat converges with a heat and adopts one dimension moving sets structure low thermal resistance to be connected, and described heat is converged and is connected with place, bottom, heat pipe hot junction 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.The tail box hides described heat collecting element afterbody; 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 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 described cover glass tube tail end inner surface low thermal resistance connect a heat radiation paster; The heat transfer state of the heat radiation paster and the straight tube that conducts heat changes according to the state of thermodynamic-driven device.The tail box hides described heat collecting element afterbody.
Can also make the straight tube that conducts heat contain one section 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 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 empty solarization of boosting decompression of the present invention protects the employing of wing plate heat pipe vacuum heat collecting device to collect the inside heat pipe two phase flow heat transfer was located, blocked to liquid refrigerant in bottom, heat pipe hot junction sky solarization protection design in the heat radiation of place, heat pipe bottom, and 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 empty technical scheme of shining creep failure of heat pipe, the heat radiation power of controlled heat transfer path is 40 watts, the inside heat pipe temperature also has more than 150 ℃, corresponding water vapor pressure still can reach 5 atmospheric pressure, exceeds the voltage endurance capability of 1.6 millimeters glass tubes of 30 millimeters wall thickness of external diameter.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 absorb the water of inside heat pipe when sky shines generation with the speed of 0.25 ml/min.After empty solarization begins about 6 minutes; though 95 ℃ when the temperature on heat pipe surface is from sky solarization protection beginning at that time are increased to about 115 ℃; but the heat pipe hot junction is inner removes that the place, bottom is all dry, vapour pressure is less than 1.5 atmospheric pressure, and promptly heat pipe has been protected and has been in a safe condition.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 that the sky that can effectively solve glass heat pipe shines the protection problem.The present invention adopts the empty protector that shines of a small-power just can guarantee that the 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.Employing has the straight tube of the heat transfer of extension diameter section, for the abundant heat transfer between the thicker cover glass tube of the thinner wing plate heat pipe of diameter and diameter provides a suitable solution.
Temperature-sensitive permanent-magnet steel driving element high conformity, good reproducibility, control accuracy height, long service life, performance are satisfactory.
Adopt bimetal leaf boosting parts, the advantage that makes temperature-sensitive permanent-magnet steel soft iron drive, high conformity big to suction and bimetal leaf thrust distance is given full play to, and has increased the product design free degree.
Description of drawings
The present invention is further described below in conjunction with drawings and Examples.
Fig. 1 is an empty protection wing plate heat pipe vacuous solar energy heat collector composite construction schematic diagram that shines of decompression.
Fig. 2 is the light-pipe structure gravity assisted heat pipe structural representation of a tiltably-mounted.
1. heat pipes among the figure; 2. cover glass tube; 3. wing plate; 4. inner glass tube; 5. straight tube conducts heat; 6. temperature-sensitive permanent-magnet steel; 7. soft iron; 8. thermal conductance; 9. transmission steel wire; 10. spring; 11. extension diameter section; 12. outer end; 13. adiabatic water tank; 14. tail box; 15. bimetal leaf boosting parts.
The specific embodiment
Fig. 1 provides one embodiment of the invention.
Among Fig. 1,, form an empty protection wing plate heat pipe vacuous solar energy heat collector that shines of decompression with empty protection wing plate heat pipe vacuum heat collection element, adiabatic water tank 13 and the tail box 14 of shining of decompression.Decompression is empty shines in the vacuum heat-insulating layer of protection wing plate heat pipe vacuum heat collection element between wing plate heat pipe vacuum heat collection element cover glass tube 2 tail ends and heat pipe 1 tail end, an empty protector that shines of embedded straight tube heat-tube vacuum heat collecting element decompression boosting is set forms.Wing plate heat pipe vacuum heat collection element is made by cover glass tube 2 and the inner glass tube 4 nested, concentric layout sealing-in that is set with wing plate 3; Inner glass tube 4 from sealing-in place stretch out forward and inside vacuumize can working medium after sealed-off make a heat pipe; Wing plate 3 surfaces are manufactured with absorbing film.The empty protector that shines of boosting is made up of the temperature-sensitive permanent-magnet steel driving element and the straight tube 5 that conducts heat.Temperature-sensitive permanent-magnet steel driving element comprise temperature-sensitive permanent-magnet steel soft iron drive to bimetal leaf boosting parts 15; Temperature-sensitive permanent-magnet steel soft iron drives comprising a temperature-sensitive permanent-magnet steel 6 and a soft iron 7.Temperature-sensitive permanent-magnet steel 6 is connected with heat pipe 1 hot junction low thermal resistance by thermal conductance 8.When needing, the temperature-sensitive permanent-magnet steel 6 that shadow shield prevents that the sunshine direct projection is being in the vacuum heat-insulating layer is set on temperature-sensitive permanent-magnet steel 6 makes its misoperation.Thermal conductance has solved the big problem of transmission of heat by contact thermal resistance between temperature-sensitive permanent-magnet steel 6 and the heat pipe 1.Soft iron 7 is tied and can moves forward and backward and be in transmission connection by the transmission steel wire 9 and the straight tube 5 that conducts heat along the heat collecting element direction of axis line, and soft iron 7 is subjected to spring 10 thrust to be pushed away permanent-magnet steel 6 or have the trend that is pushed away permanent-magnet steel 6.The straight tube 5 usefulness thin plates that conduct heat are made.Conduct and bimetal leaf boosting parts 15 free-ended linkage interfaces in the middle of soft iron 7 outsides.Bimetal leaf boosting parts 15 stiff ends are fixed.The straight tube 5 that conducts heat has one section extension diameter section 11, the shape of outer end 12 of extension diameter section 11 and matching of cover glass tube 2 tail end inner surfaces.The straight tube 5 that conducts heat adopts one dimension moving sets structure low thermal resistance to be connected with place, bottom, heat pipe 1 hot junction, and the straight tube 5 that conducts heat can be done to stretch out withdrawal along heat pipe 1 direction of axis line and move forward and backward.Tail box 14 hides described heat collecting element afterbody.
The operation principle of Fig. 1 embodiment: when embedding is equipped with that the empty wing plate heat pipe vacuum heat collection element that shines protector of described boosting decompression normally is in tilted layout and when not being in empty solarization state; sunshine is converted to heat energy on wing plate heat pipe absorbing film, thermal energy transfer makes it vaporization for heat pipe 1 internal working medium.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 6 temperature that are connected with heat pipe 1 low thermal resistance do not reach the loss of excitation temperature, and temperature-sensitive permanent-magnet steel 6 holds soft iron 7 will conduct heat straight tube 5 toward Zolas, making the straight tube 5 that conducts heat not contact cover glass tube 2 tail ends, and the empty protector that shines is in and closes adiabatci condition.Heat collecting element is thermal-arrest normally.
When heat collecting element was in empty solarization state, temperature-sensitive permanent-magnet steel 6 temperature rising magnetic force disappeared, and spring 10 is pushed the soft iron 7 and the straight tube 5 that conducts heat to the right side, making the straight tube 5 that conducts heat stretch out to conduct heat and connecting cover glass tube 2 tail ends, and the empty protector that shines is in the heat conduction state of opening.The heat energy in heat pipe 1 hot junction shines protector by sky and is lost to environment continually.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 inside heat pipe pressure low level realizes that the sky of heat collecting element shines protection.
Later on heat collecting element breaks away from empty solarization state, and temperature-sensitive permanent-magnet steel 6 temperature reduce magnetic force to be recovered and attract soft iron 7 to make to conduct heat straight tube 5 withdrawals not conduct heat to connect cover glass tube 2 tail ends, and the empty protector that shines is in and closes adiabatci condition, but heat collecting element operate as normal again.
Bimetal leaf boosting parts 15 temperature-sensitive permanent-magnet steel 6 from the loss of excitation state to the temperature-fall period that has magnetic state to change, produce that its free end of deformation is crooked to be promoted soft iron 7 and be moved to the left (as shown in phantom in FIG.) left.Because the existence of bimetal leaf boosting parts 15; the trueness error that has overcome associated components makes soft iron 7 far away excessively from temperature-sensitive permanent-magnet steel 6; the empty inadequately problem of shining the protector cisco unity malfunction of temperature-sensitive permanent-magnet steel 6 suction makes the work of temperature-sensitive permanent-magnet steel driving element more rapid reliable.
Fig. 1 embodiment is for the wing plate heat pipe vacuum heat collection element of cover glass tube 2 diameters 70; do not adopt at cover glass tube 2 tail end inwalls the heat radiation paster to be set and between heat pipe 1 hot junction and the straight tube 5 of heat transfer hot the remittance not to be set, the heat radiation power that described sky shines protector also can reach more than 10 watts.
Claims (4)
1. the empty protection wing plate heat pipe vacuous solar energy heat collector that shines of boosting decompression is made up of empty protection wing plate heat pipe vacuum heat collection element, adiabatic water tank, tail box, support and the auxiliary of shining of boosting decompression; The empty solarization protection of boosting decompression wing plate heat pipe vacuum heat collection element is with wing plate heat pipe vacuum heat collection element and place the empty solarization of the boosting protector in the described heat collecting element tail end vacuum heat-insulating layer to make; Wing plate heat pipe vacuum heat collection element is made by cover glass tube and the inner glass tube nested, concentric layout sealing-in that is set with the wing plate; Inner glass tube from sealing-in place stretch out forward and inside vacuumize can working medium after sealed-off make a heat pipe; Wing plate surface is manufactured with absorbing film; Vertical or the installation of tilting of described heat collecting element, described heat pipe relies on gravity work, described boosting is empty shine protector by one with described heat pipe hot junction conduct heat the boosting thermodynamic-driven device that is connected, be in transmission connection with boosting thermodynamic-driven device or form with the integrally manufactured straight tube of heat transfer of boosting thermodynamic-driven device, the described empty protector that shines has two kinds of stable states: unlatching heat conduction state when stretching out heat transfer connection cover glass tube tail end conducts heat straight; The straight tube withdrawal of the conducting heat adiabatci condition of closing when connecting the cover glass tube tail end of not conducting heat, the straight tube that it is characterized in that conducting heat is connected with place, bottom, heat pipe hot junction employing one dimension moving sets structure low thermal resistance; The straight tube that perhaps conducts heat converges with a heat and adopts one dimension moving sets structure low thermal resistance to be connected, and described heat is converged and is connected with place, bottom, heat pipe hot junction 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; The tail box hides described heat collecting element afterbody; 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 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.
2. according to the described heat collector of 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 the heat radiation paster and the straight tube that conducts heat changes according to the state of thermodynamic-driven device.
3. according to the described heat collector of claim 1, the straight tube that it is characterized in that conducting heat contains one section 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 the described heat collector of claim 1, 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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| Application Number | Priority Date | Filing Date | Title |
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| CN201310140840.3A CN103225891B (en) | 2013-04-22 | 2013-04-22 | Boosting decompression empty sun protection wing plate heat pipe vacuous solar energy heat collector |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310140840.3A CN103225891B (en) | 2013-04-22 | 2013-04-22 | Boosting decompression empty sun protection wing plate heat pipe vacuous solar energy heat collector |
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| CN103225891B CN103225891B (en) | 2016-03-09 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014173178A3 (en) * | 2013-04-22 | 2015-01-08 | Shi Guoliang | Vacuum gravity heat tube heat-collecting element pressure-reduction idle-sunning protection method and product |
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| CN102003816A (en) * | 2009-09-03 | 2011-04-06 | 施国庆 | Empty sunning resistant heat collecting element of all-glass vacuum heat pipe |
| WO2012127231A1 (en) * | 2011-03-21 | 2012-09-27 | Naked Energy Ltd | Heat transfer device |
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| CN2791556Y (en) * | 2005-04-28 | 2006-06-28 | 蒋乐书 | Solar heat collecting pipe having builtinpipe |
| CN102003806A (en) * | 2009-09-03 | 2011-04-06 | 徐秀萍 | Heat radiation operating point adjustment method and device for temperature control vacuum heat collection component and cover glass tube |
| CN102003816A (en) * | 2009-09-03 | 2011-04-06 | 施国庆 | Empty sunning resistant heat collecting element of all-glass vacuum heat pipe |
| KR100999832B1 (en) * | 2010-09-06 | 2010-12-10 | 세한에너지 주식회사 | Temperature excessive climbing prevention structure of solar collector |
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| WO2014173178A3 (en) * | 2013-04-22 | 2015-01-08 | Shi Guoliang | Vacuum gravity heat tube heat-collecting element pressure-reduction idle-sunning protection method and product |
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| CN103225891B (en) | 2016-03-09 |
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