CN203240796U - Pressure reduction air drying protection metal heat pipe vacuum solar heat collection module - Google Patents
Pressure reduction air drying protection metal heat pipe vacuum solar heat collection module Download PDFInfo
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- CN203240796U CN203240796U CN201320258207XU CN201320258207U CN203240796U CN 203240796 U CN203240796 U CN 203240796U CN 201320258207X U CN201320258207X U CN 201320258207XU CN 201320258207 U CN201320258207 U CN 201320258207U CN 203240796 U CN203240796 U CN 203240796U
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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
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Abstract
A pressure reduction air drying protection metal heat pipe vacuum solar heat collection module comprises a pressure reduction air drying protection metal heat pipe vacuum heat collection element and a collection linkage box. The pressure reduction air drying protection metal heat pipe vacuum heat collection element is formed by a metal heat pipe vacuum heat collection element and an air drying protector, the air drying protector is composed of a thermal force drive device and a heat transfer straight cylinder and has two stable states, and the two stable states comprise an opening heat conduction state when the heat transfer straight cylinder stretches out of the tail end of a heat transfer connecting cover glass pipe and a closing heat insulation state when the heat transfer straight cylinder retracts the tail end of a non-heat transfer connecting cover glass pipe. The thermal force drive device comprises thermosensitive permanent magnet steel, a bimetallic strip, memory alloy and a capsule drive device. The pressure reduction air drying protection metal heat pipe vacuum solar heat collection module is characterized in that the heat transfer straight cylinder is connected with the bottom end of a hot end of a heat pipe directly or by means of a low heat resistor of a one-dimensional sliding pair structure through a heat sink; the outer end portion of the heat transfer straight cylinder is fit with the inner surfaces of the tail ends of the cover glass pipes in shape. The air drying protector with small power is adopted in the pressure reduction air drying protection metal heat pipe vacuum solar heat collection module, so the fact that pressure of steam in the heat pipe does not exceed 2 atm all the time can be guaranteed.
Description
Technical field
The utility model relates to decompression empty sun protection metal heat pipe vacuous solar energy heat collecting module.
Background technology
Vacuum heat collection pipe arranges 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 in the pipe anhydrous Energy Efficiency Ratio high, meet safe drinking water standard, single tube and damage the advantage such as in the same old way work.Therefore.Anhydrous solar energy evacuated water-both with hot pipe 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 the advantages such as working medium.
But during air drying, heat collecting element inside heat pipe temperature can reach 230 ℃, and saturated vapor pressure corresponding to this temperature 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 namely per 1 liter capacity has 11 ml waters.
The pressure of inside heat pipe in the time of can reducing air drying by reducing the 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 about 3.7 atmospheric pressure of 140 ℃ from about 10 atmospheric pressure of 180 ℃, and inside heat pipe when continuing to be warming up to 180 ℃ from 140 ℃ of about 3.7 atmospheric high-vapor-pressures internal pressure only have about 4 atmospheric pressure.But the internal pressure when the working medium filling weight can not be only with air drying 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 internal pressure is no more than 4 atmospheric pressure when making 230 ℃ of air dryings, then the working medium filling weight is about 1.8 milliliters.Be light-pipe structure even problem is described heat pipe, when tilting about 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.
Make working medium filling weight/heat pipe plot ratio greater than 0.2% even 0.3% in order to satisfy heat pipe normal operation, and guarantee glass heat pipe not because air drying and bombing must be taked the empty sun protection measure.
Chinese invention patent 2009101951003 anti-air drying all-glass vacuum heat collector tube elements; disclosed a kind of empty sun protection all-glass vacuum heat collector tube element; consist of by between vacuum heat collection element absorber and cover glass-tube, controlled heat transfer path being set; controlled heat transfer path is comprised 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 for the 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, restorable ability can reduce again after temperature distortion repeatedly, and operating point settings, control variables input, comparison, transducing and the Power supply that its control system of bearing is relevant and execution function far can not normally effectively be worked 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.
Among Fig. 2, heat pipe 1 is made by shell and internal working medium.Its operation principle is: heat energy is i.e. side by side inwards arrow marked position input 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 marked position emit heat energy and be supplied to load and be condensed into the cold junction of liquid below under Action of Gravity Field, being back to, in the vaporization of again being heated 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 the from top to bottom comprehensively heating and take out heat energy from following a section of whole heat pipe 1 length 3% of accounting for that for example begins from the bottom a little more than heat pipe 1 bottom local of the heat pipe 1 of Fig. 2, namely 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 the saturated vapor pressure corresponding with 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 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 be thermotube wall with absorbing film, absorb sunshine and input as heat energy, connect described thermotube wall with the Thermal Conduction Equipment low thermal resistance simultaneously and heat energy shifted.
Thisly make that heat pipe 1 is in tilted layout, heat energy is inputted 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 empty sun protection that is used for solar collection element, because only need minimum a part of heat radiation power---when this part heat radiation power was used for guaranteeing that air drying occurs, the peak of the initial stage inside heat pipe vapour pressure that the empty sun protection device begins to work was no more than setting value; This part heat radiation power also is greater than described overlapping cold junction as the heat energy input power in hot junction---thus have 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 the heat collecting element tail end as the advantage of heat dissipation interface.
Can see that the needed heat radiation power of less, the described empty sun protection device of the 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.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 element empty sun protection device relatively be fit to be installed on vacuum heat-insulating layer drum-shaped section or; heat collection element cover glass pipe is with necking segment and be to adopt to assemble inner glass tube after necking segment forms, 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, dispel the heat from described round end-blocking cover glass tube drum-shaped section up with regard to needing to utilize.Heat pipe or the inner glass tube end section corresponding with described drum-shaped section belong to overlapping cold junction.
China's 912050845 utility model electric cooker automatic magnetic temperature detect switch (TDS)s have been introduced a kind of pyromagnetic force inverting element operation principle of utilizing.
Summary of the invention
The purpose of this utility model is that decompression empty sun protection metal heat pipe vacuous solar energy heat collecting module will be provided.
The technical scheme in the invention for solving the technical problem: with decompression empty sun protection metal heat pipe vacuum heat collection element, connection collection box, tail box support and auxiliary, form a decompression empty sun protection metal heat pipe vacuous solar energy heat collecting module.Decompression empty sun protection metal heat pipe vacuum heat collection element is by the metal heat pipe vacuum heat collection element and place the empty sun protection device in the described heat collecting element vacuum heat-insulating layer to form.The metal heat pipe vacuum heat collection element is with cutting down the sealing-in cover glass tube and wing sheetmetal heat pipe is made.Described heat collecting element is vertical or tilt to install the work of described heat pipe dependence gravity.Empty sun protection device passes hot linked thermodynamic-driven device by one with described heat pipe hot junction, is in transmission connection with the thermodynamic-driven device or forms with the integrally manufactured heat straight-tube of thermodynamic-driven device.Empty sun protection device has two kinds of stable states: heat straight-tube is stretched out the unlatching heat conduction state that conducts heat when connecting the cover glass tube tail end; Heat straight-tube the adiabatci condition of closing when connecting the cover glass tube tail end of not conducting heat of retracting.Described thermodynamic-driven device comprises one of temperature-sensitive permanent-magnet steel driving element, bimetallic strip driver spare, memory alloy actuator spare, bellows driving element.Heat straight-tube adopts one-dimensional movement auxiliary structure low thermal resistance to be connected with place, bottom, heat pipe hot junction; Perhaps heat straight-tube adopts one-dimensional movement auxiliary structure low thermal resistance to be connected with a heat sink, and described heat sink is connected with place, bottom, heat pipe hot junction low thermal resistance.Heat straight-tube can move forward and backward along the heat collecting element direction of axis line.The outer end shape of heat straight-tube and cover glass tube tail end inner surface match; The tail box hides the contact position of described heat collecting element afterbody and heat straight-tube.
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 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 the heat sink adopts the high thermal resistance of jump ring to be connected; Perhaps the cover glass tube tail end is inboard is connected by a high thermal resistance of jump ring with place, bottom, heat pipe hot junction.
Can also make described thermodynamic-driven device for by a temperature-sensitive permanent-magnet steel and the temperature-sensitive permanent-magnet steel driving element that soft iron consists of.The temperature-sensitive permanent-magnet steel is connected with heat pipe hot junction low thermal resistance by a thermal conductance.Contain shadow shield above the temperature-sensitive permanent-magnet steel.Soft iron is tied and can does to move forward and backward and be in transmission connection by transmission steel wire and heat straight-tube along the heat collecting element direction of axis line.
The beneficial effects of the utility model: the utility model decompression empty sun protection metal heat pipe vacuous solar energy heat collecting module 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, and the heat radiation power of controlled heat transfer path is 40 watts, and the inside heat pipe temperature also has more than 150 ℃, and corresponding water vapor pressure still can reach 5 atmospheric pressure.For the thinner copper heat pipe of wall thickness, still have copper pipe shell generation creep to make the danger of heat pipe failure.The utility model 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 absorb the water of inside heat pipe when air drying occurs with the speed of 0.25 ml/min.After air drying begins about 6 minutes; although 95 ℃ when the temperature on heat pipe surface begins from empty sun protection at that time are increased to about 130 ℃; all dry, vapour pressure is less than 1.5 atmospheric pressure except the place, bottom but the heat pipe hot junction is inner, and namely heat pipe has been protected and has been in a safe condition.The heat radiation power of saving 30 watts makes cost that larger reduction is arranged, and the minimizing heat transfer path increases substantially venting 75% and the reliability of vacuum heat-insulating layer.Key is the empty sun protection problem that can effectively solve metal heat pipe.The utility model adopts a small-power empty sun protection device just can guarantee that the inside heat pipe water vapor pressure is no more than 2 atmospheric pressure all the time, and does not affect the normal operation of heat collecting element fully.
The heat straight-tube heat transfer area is large, 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 is with the heat straight-tube of extension diameter section, for the abundant heat transfer between the thicker cover glass tube of the thinner copper heat pipe of diameter and diameter provides a suitable solution.
Embedded straight tube vacuum heat-pipe heat collecting element decompression empty sun protection device adopts two temperature-sensitive permanent-magnet steel driving elements uniform; minimumly 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 with the high thermal resistance of wire circlip.Simple for structure, easy to assembly.
Temperature-sensitive permanent-magnet steel driving element high conformity, good reproducibility, control accuracy height, long service life, performance are satisfactory.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further specified.
Fig. 1 is a decompression empty sun protection metal heat pipe vacuous solar energy heat collecting module 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 among the 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 hole; 12. breach; 13. inner glass tube; 14. four paws jump ring; 15. connection collection box; 16. tail box.
The specific embodiment
Fig. 1 provides embodiment of the utility model.
Among Fig. 1, with decompression empty sun protection metal heat pipe vacuum heat collection element, connection collection box 15 and tail box support 16, form a decompression empty sun protection metal heat pipe vacuous solar energy heat collecting module.In the vacuum heat-insulating layer of decompression empty sun protection metal heat pipe vacuum heat collection element 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.The metal heat pipe vacuum heat collection element is with cutting down sealing-in cover glass tube 1 and making with the metal shell heat pipe 1 of wing plate.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.When needing, the temperature-sensitive permanent-magnet steel 4 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 4 makes its misoperation.Thermal conductance has solved the large problem of transmission of heat by contact thermal resistance between temperature-sensitive permanent-magnet steel 4 and the heat pipe 1.Soft iron 5 is tied and can does to move forward and backward and be in transmission connection by transmission steel wire 7 and heat straight-tube 3 along the heat collecting element direction of axis line, and soft iron 5 is subjected 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 are 0.22 millimeter, heat straight-tube be with one section 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 place, bottom, heat pipe 1 hot junction, and heat straight-tube 3 can be done to stretch out to retract along heat pipe 1 direction of axis line and be moved forward and backward.Tail box 16 hides the contact position of described heat collecting element afterbody and heat straight-tube 3.
The operation principle of Fig. 1 embodiment: the heat collecting element that described decompression empty sun protection device is installed when embedding normally is in tilted layout and when not being in the air drying state; temperature-sensitive permanent-magnet steel 4 temperature that are connected with heat pipe 1 low thermal resistance do not reach the loss of excitation temperature; temperature-sensitive permanent-magnet steel 4 holds soft iron 5 with heat straight-tube 3 past Zolas; make heat straight-tube 3 not contact cover glass tube 2 tail ends, empty sun protection device is in closes adiabatci condition.Heat collecting element is thermal-arrest normally.
When heat collecting element was in the air drying state, temperature-sensitive permanent-magnet steel 4 temperature rising magnetic force disappeared, and spring 8 is pushed soft iron 5 and heat straight-tube 3 to the right side, heat straight-tube 3 were stretched out conduct heat to connect the cover glass tube tail end, and empty sun protection device is in the heat conduction state of opening.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 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 all the time low level, guarantees that inside heat pipe pressure low level realizes the empty sun protection of heat collecting element.
Heat collecting element breaks away from the air drying state later on, 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 closes adiabatci condition, and heat collecting element can work 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 the heat radiation paster to be set and between heat pipe 1 hot junction and heat straight-tube 3 heat sink not to be 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 4 of Fig. 1 into bimetal leaf thermodynamic-driven device or change memory alloy actuator spare into or change into heat straight-tube 3 being stretched out conducting heat and connect, working medium is locked in the empty sun protection mechanism that place, bottom, heat pipe 1 hot junction realizes heat pipe 1 inner pressure relief.
Fig. 3 provides the expanded view of heat straight-tube 3.
Among Fig. 3, heat straight-tube 3 is unfolded.Its square hole 11 is established for avoiding contacting with the four paws jump ring.Breach 12 is established for being processed into the shape that matches with cover glass tube 1 tail end medial surface.
Fig. 4 provides the structural representation of an all-glass vacuum solar energy collection tube.
Among Fig. 4, make a heat pipe 1 with sealed-off after cover glass tube 2 and the inner glass tube 14 can working medium, 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 (5)
1. decompression empty sun protection metal heat pipe vacuous solar energy heat collecting module is comprised of decompression empty sun protection metal heat pipe vacuum heat collection element, connection collection box, tail box support and auxiliary; Decompression empty sun protection metal heat pipe vacuum heat collection element is by the metal heat pipe vacuum heat collection element and place the empty sun protection device in the described heat collecting element vacuum heat-insulating layer to form, the metal heat pipe vacuum heat collection element is with cutting down the sealing-in cover glass tube and wing sheetmetal heat pipe is made, vertical or the installation of tilting of described heat collecting element, described heat pipe relies on gravity work, empty sun protection device passes hot linked thermodynamic-driven device by one with described heat pipe hot junction, be in transmission connection or the heat straight-tube composition integrally manufactured with the thermodynamic-driven device with the thermodynamic-driven device, empty sun protection device has two kinds of stable states: heat straight-tube is stretched out the unlatching heat conduction state that conducts heat when connecting the cover glass tube tail end; Heat straight-tube the adiabatci condition of closing when connecting the cover glass tube tail end of not conducting heat of retracting; Described thermodynamic-driven device comprises one of temperature-sensitive permanent-magnet steel driving element, bimetallic strip driver spare, memory alloy actuator spare, bellows driving element, it is characterized in that heat straight-tube and place, bottom, heat pipe hot junction adopt one-dimensional movement auxiliary structure low thermal resistance to be connected; Perhaps heat straight-tube adopts one-dimensional movement auxiliary structure low thermal resistance to be connected with a heat sink, and described heat sink is connected with place, bottom, heat pipe hot junction low thermal resistance; Heat straight-tube can move forward and backward along the heat collecting element direction of axis line; The outer end shape of heat straight-tube and cover glass tube tail end inner surface match; The tail box hides the contact position of described heat collecting element afterbody and heat straight-tube.
2. according to heat collecting module 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 module claimed in claim 1, it is characterized in that heat straight-tube 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 heat collecting module claimed in claim 1, adopt the high thermal resistance of jump ring to be connected between it is characterized in that dispelling the heat paster and the heat sink; Perhaps the cover glass tube tail end is inboard is connected by a high thermal resistance of jump ring with place, bottom, heat pipe hot junction.
5. according to heat collecting module claimed in claim 1, it is characterized in that described thermodynamic-driven device is by a temperature-sensitive permanent-magnet steel and the temperature-sensitive permanent-magnet steel driving element that soft iron consists of; 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 to move forward and backward and be in transmission connection by transmission steel wire and heat straight-tube along the heat collecting element direction of axis line.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320258207XU CN203240796U (en) | 2013-05-10 | 2013-05-10 | Pressure reduction air drying protection metal heat pipe vacuum solar heat collection module |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320258207XU CN203240796U (en) | 2013-05-10 | 2013-05-10 | Pressure reduction air drying protection metal heat pipe vacuum solar heat collection module |
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| CN203240796U true CN203240796U (en) | 2013-10-16 |
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| CN201320258207XU Expired - Fee Related CN203240796U (en) | 2013-05-10 | 2013-05-10 | Pressure reduction air drying protection metal heat pipe vacuum solar heat collection module |
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| CN (1) | CN203240796U (en) |
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- 2013-05-10 CN CN201320258207XU patent/CN203240796U/en not_active Expired - Fee Related
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| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131016 Termination date: 20140510 |