CN105972837B - Double-deck heat pipe phase change heat storage type flat-plate solar collector - Google Patents

Double-deck heat pipe phase change heat storage type flat-plate solar collector Download PDF

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Publication number
CN105972837B
CN105972837B CN201610458797.9A CN201610458797A CN105972837B CN 105972837 B CN105972837 B CN 105972837B CN 201610458797 A CN201610458797 A CN 201610458797A CN 105972837 B CN105972837 B CN 105972837B
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China
Prior art keywords
heat pipe
heat
liquid
phase change
layer
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CN201610458797.9A
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Chinese (zh)
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CN105972837A (en
Inventor
侯景鑫
江清阳
阳季春
陈轶光
谷志攀
吴晓艳
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Suzhou zebra Energy Technology Co.,Ltd.
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Jiaxing University
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S10/00—Solar heat collectors using working fluids
    • F24S10/90—Solar heat collectors using working fluids using internal thermosiphonic circulation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S10/00—Solar heat collectors using working fluids
    • F24S10/70—Solar heat collectors using working fluids the working fluids being conveyed through tubular absorbing conduits
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S40/00—Safety or protection arrangements of solar heat collectors; Preventing malfunction of solar heat collectors
    • F24S40/10—Protective covers or shrouds; Closure members, e.g. lids
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S60/00—Arrangements for storing heat collected by solar heat collectors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S80/00—Details, accessories or component parts of solar heat collectors not provided for in groups F24S10/00-F24S70/00
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S25/00—Arrangement of stationary mountings or supports for solar heat collector modules
    • F24S25/60—Fixation means, e.g. fasteners, specially adapted for supporting solar heat collector modules
    • F24S2025/6003—Fixation means, e.g. fasteners, specially adapted for supporting solar heat collector modules by clamping
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S25/00—Arrangement of stationary mountings or supports for solar heat collector modules
    • F24S25/60—Fixation means, e.g. fasteners, specially adapted for supporting solar heat collector modules
    • F24S2025/6005—Fixation means, e.g. fasteners, specially adapted for supporting solar heat collector modules by screwed connection
    • 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 kind of double-deck heat pipe phase change heat storage type flat-plate solar collector, housing including setting the first heat-insulation layer on madial wall and inner bottom wall, the upper cover plate of housing is clear glass cover plate, absorber plate is provided with housing from top to bottom, gravity assisted heat pipe layer, second heat-insulation layer, liquid-sucking core heat pipe layer, multiple gravity assisted heat pipes have been arranged side by side in gravity assisted heat pipe layer, the multiple and one-to-one liquid-sucking core heat pipe of multiple gravity assisted heat pipes has been arranged side by side in liquid-sucking core heat pipe layer, the evaporator section of each gravity assisted heat pipe is closely connected with the heat absorption back, all liquid-sucking core heat pipes are wrapped up by phase change heat storage material layer, the evaporator section of the condensation segment of each gravity assisted heat pipe and the liquid-sucking core heat pipe of correspondence position is directly connected to or is indirectly connected with by heat-conducting layer, refrigerant coil pipe is set in phase change heat storage material layer.The heat exchange area of heat pipe and phase change heat storage material is increase effectively in the solar thermal collector, so as to improve heat transfer effect, and effectively heat can be avoided outwardly to conduct and cause heat loss.

Description

Double-deck heat pipe phase change heat storage type flat-plate solar collector
Technical field
The present invention relates to a kind of double-deck heat pipe phase change heat storage type flat-plate solar collector, belong to solar thermal collector structure Design field.
Background technology
As expanding economy causes the growing tension of the energy, application new energy is current top priority.With The continuous progress of heliotechnics, solar thermal collector are widely popularized and applied.
In anti-freezing type cistern free high-efficient flat-plate solar water heater (CN104990287A), a kind of phase change heat storage type solar energy In the patent documents such as heat collector (CN103791629A), phase change heat storage material is placed directly in vacuum tube inner tube, at night Deng the non-working time, the heat of phase-change material storage can be reversely to vacuum tube transmission, the outwardly environment by way of heat radiation Dissipated heat.It is anhydrous in a kind of flat phase-transition heat-storage type solar energy heat utilization device (CN102168892A) of cistern free, one kind In the patent documents such as case heat accumulation type flat-panel solar hydrophone (CN101788195A), phase-change material is placed directly in absorber plate In lower section or the sleeve pipe being joined directly together with absorber plate, in non-heat collector working hour, heat can pass through reversely to absorber plate transmission The modes such as convection current, radiation outwardly environment dissipated heat.In addition, in a kind of anti-freezing type cistern free high-efficient flat-plate solar water heater (CN102721183A) scheme that phase change heat storage material is separated with absorber plate and conducted heat using super heat-conductive pipe is proposed in, though Solve the problems, such as that heat present in above-mentioned each patent document is easy to lose to a certain extent, but due to heat pipe in the water heater Condensation end surface area is smaller, i.e. heat pipe and phase change heat storage material heat exchange area is smaller, it is thus possible to it is bad to there is heat transfer effect Problem.
The content of the invention
On the other hand, the present invention is intended to provide a kind of double-deck heat pipe phase change heat storage type flat-plate solar collector, the solar energy collection The heat exchange area of heat pipe and phase change heat storage material is increase effectively in hot device, so as to improve heat transfer effect, and can effectively avoid storing up The heat of storage outwardly conducts and causes heat loss.
Realizing the technical scheme of the object of the invention is：
A kind of double-deck heat pipe phase change heat storage type flat-plate solar collector, including set first to protect in madial wall and inner bottom wall The housing of warm layer, the upper cover plate of the housing is clear glass cover plate, is provided with air layer, heat absorption in the housing from top to bottom Multiple gravity assisted heat pipes, institute has been arranged side by side in plate, gravity assisted heat pipe layer, the second heat-insulation layer, liquid-sucking core heat pipe layer, the gravity assisted heat pipe layer State liquid-sucking core heat pipe layer and the multiple and one-to-one liquid-sucking core heat pipe of multiple gravity assisted heat pipes, the steaming of each gravity assisted heat pipe has been arranged side by side Hair section is closely connected with the heat absorption back, and all liquid-sucking core heat pipes are wrapped up by phase change heat storage material layer, each gravity The evaporator section of the condensation segment of heat pipe and the liquid-sucking core heat pipe of correspondence position is directly connected to or is indirectly connected with by heat-conducting layer, the phase Refrigerant coil pipe is set in change heat storage material layer.
In above-mentioned technical proposal, the evaporator section of the condensation segment of each gravity assisted heat pipe and the liquid-sucking core heat pipe of correspondence position passes through admittedly Determine part to fix.
In above-mentioned technical proposal, the fixed component includes fixture one, fixture two and attachment structure, the connection knot Structure fixes fixture one and the pairing of fixture two, the condensation segment of each gravity assisted heat pipe and the liquid-sucking core heat pipe of correspondence position Evaporator section is fixed in the locating slot between the fixture one and fixture two.
In above-mentioned technical proposal, the attachment structure is screw, buckle or band.
In above-mentioned technical proposal, the condensation segment of each gravity assisted heat pipe has the first thermal conductive surface, each liquid-sucking core heat pipe Evaporator section have and be suitable to the second thermal conductive surface for being matched with first thermal conductive surface.
In above-mentioned technical proposal, the evaporator section of the condensation segment of each gravity assisted heat pipe and each liquid-sucking core heat pipe is square box Shape, first thermal conductive surface and the second thermal conductive surface are plane.
The present invention has positive effect：
(1) in the present invention, by the absorber plate, gravity assisted heat pipe layer, liquid-sucking core heat pipe layer and phase change heat storage material layer along too Positive energy heat collector thickness direction distribution is arranged on enclosure interior, and multiple gravity assisted heat pipes, institute has been arranged side by side in the gravity assisted heat pipe layer State liquid-sucking core heat pipe layer and the multiple and one-to-one liquid-sucking core heat pipe of multiple gravity assisted heat pipes, the steaming of each gravity assisted heat pipe has been arranged side by side Hair section is closely connected with the heat absorption back, and all liquid-sucking core heat pipes are wrapped up by phase change heat storage material layer, each gravity The evaporator section of the condensation segment of heat pipe and the liquid-sucking core heat pipe of correspondence position is directly connected to or is indirectly connected with by heat-conducting layer, using this Kind structure is effectively increased contact area i.e. heat exchange area of the heat pipe (being specifically liquid-sucking core heat pipe) with phase change heat storage material layer, So as to improve heat transfer effect, the integral thickness of phase change heat storage material layer is thickeied when improving amount of stored heat；Further at this Using the Combined type heat-pipe that is combined by gravity assisted heat pipe with liquid-sucking core heat pipe in case, due to gravity assisted heat pipe with by evaporator section to cold The characteristic of solidifying section unidirectional delivery heat, therefore the inside unidirectional delivery of heat can be realized, the heat of liquid-sucking core heat pipe can not pass through Gravity assisted heat pipe outwards transmits, and surrounding phase change heat storage material layer completely plus the first heat-insulation layer and the second heat-insulation layer can reach good Good heat insulation effect, so as to effectively prevent that outwardly environment scatters and disappears the heat of collection；The solar thermal collector is to tilt installation Shine good place in outdoor optical, it at work, illumination is radiated on absorber plate through upper cover plate, the heat that the absorber plate absorbs Amount is through gravity assisted heat pipe layer, liquid-sucking core heat pipe layer transmission and saves in phase change heat storage material layer to the heating of refrigerant coil pipe.
Brief description of the drawings
Fig. 1 is the structural representation of solar thermal collector in the present invention；
Fig. 2 is the explosive view of fixed component in the present invention；
Fig. 3 is the structural representation of gravity assisted heat pipe or liquid-sucking core heat pipe in the present invention.
Reference is shown in figure：1- housings；11- upper cover plates；12- air layers；2- absorber plates；The heat-insulation layers of 3- first； 4- gravity assisted heat pipe layers；41- gravity assisted heat pipes；The thermal conductive surfaces of 42- first；The heat-insulation layers of 5- second；6- liquid-sucking core heat pipe layers；61- liquid-sucking cores Heat pipe；The thermal conductive surfaces of 62- second；7- phase change heat storage material layers；8- refrigerant coil pipes；9- fixed components；91- fixtures one；92- is fixed Part two；10- screws.
Embodiment
The concrete structure of solar thermal collector in the present invention is done with explanation with reference to Figure of description：
A kind of double-deck heat pipe phase change heat storage type flat-plate solar collector, as shown in figure 1, it includes madial wall and inner bottom wall The upper housing 1 for setting the first heat-insulation layer 3, the housing 1 in the present embodiment is box-like for square flat, the upper cover plate of the housing 1 11 be clear glass cover plate, is provided with air layer 12, absorber plate 2, gravity assisted heat pipe layer 4, second in the housing 1 from top to bottom and protects Multiple gravity assisted heat pipes 41, the liquid-sucking core heat pipe layer 6 has been arranged side by side in warm layer 5, liquid-sucking core heat pipe layer 6, the gravity assisted heat pipe layer 4 Multiple and the one-to-one liquid-sucking core heat pipe 61 of multiple gravity assisted heat pipes 41, the evaporator section of each gravity assisted heat pipe 41 and institute has been arranged side by side State the back side of absorber plate 2 closely to connect and (be in close contact or weld), all liquid-sucking core heat pipes 61 are by phase change heat storage material Layer 7 wraps up, the liquid-sucking core heat of the condensation segment (stretching into second heat-insulation layer 5) of each gravity assisted heat pipe 41 and correspondence position below The evaporator section of pipe 61 is directly connected to or is indirectly connected with by heat-conducting layer (such as smearing a small amount of heat-conducting silicone grease), the phase change heat storage material Refrigerant coil pipe 8 is set in layer 7.In the present invention, heat pipe (being specifically liquid-sucking core heat pipe 61) is effectively increased using said structure Contact area with phase change heat storage material layer 7 is heat exchange area, so as to improve heat transfer effect, thickeies phase when improving amount of stored heat The integral thickness of change heat storage material layer 7；Further use in the present case by gravity assisted heat pipe 41 and the phase knot of liquid-sucking core heat pipe 61 The Combined type heat-pipe of conjunction, because gravity assisted heat pipe 41 has the characteristic by evaporator section to condensation segment unidirectional delivery heat, therefore can The inside unidirectional delivery of heat is realized, the heat of liquid-sucking core heat pipe 61 can not outwards be transmitted by gravity assisted heat pipe 41, be protected plus first The warm heat-insulation layer 5 of layer 3 and second surrounds phase change heat storage material layer 7 completely can reach good heat insulation effect, so as to effective Prevent collect heat outwardly environment scatters and disappears；The solar thermal collector is to be tiltedly mounted on outdoor optical to shine good place, it During work, illumination is radiated on absorber plate 2 through upper cover plate 11, and the heat that the absorber plate 2 absorbs is through gravity assisted heat pipe layer 4, suction Wick-containing heat pipe layer 6 is transmitted and saved and refrigerant coil pipe 8 is heated in phase change heat storage material layer 7.In practice operation, the refrigerant disk Pipe 8 could be arranged to coiled pipe, the time flowed through its purpose is to increase water, realizes fully heating, reaches cold water and enter hot water The effect gone out, certainly also can be by controlling the flow velocity of refrigerant coil pipe 8 to realize the purpose fully heated.
In the present embodiment, the evaporator section of the condensation segment of each gravity assisted heat pipe 41 and the liquid-sucking core heat pipe 61 of correspondence position passes through admittedly Determine part 9 to fix, can be by the condensation segment of each gravity assisted heat pipe 41 and the liquid-sucking core heat pipe 61 of correspondence position by using fixed component 9 Evaporator section be effectively fixedly connected, avoid after the completion of assembling product both from misplacing, so as to ensure gravity assisted heat pipe 41 and suction The reliability of 61 heat transfers of wick-containing heat pipe.
As shown in Fig. 2 the fixed component 9 includes fixture 1, fixture 2 92 and attachment structure, the connection knot Structure fixes fixture 1 and the pairing of fixture 2 92, the condensation segment of each gravity assisted heat pipe 41 and the liquid-sucking core of correspondence position The evaporator section of heat pipe 61 is fixed in the locating slot between the fixture 1 and fixture 2 92, the institute in the present embodiment It is screw 10 to state attachment structure, and attachment structure can be that buckle, band etc. can reach showing for identical purpose described in practice operation There is attachment structure.
Further, the condensation segment of each gravity assisted heat pipe 41 has the first thermal conductive surface 42, each liquid-sucking core heat pipe 61 Evaporator section has the second thermal conductive surface 62 for being suitable to match with first thermal conductive surface 42；Further, it is as shown in figure 3, described each heavy The evaporator section of the condensation segment of power heat pipe 41 and each liquid-sucking core heat pipe 61 is the square box bodily form, the heat conduction of the first thermal conductive surface 42 and second Face 62 is plane, can effectively increase the condensation segment of each gravity assisted heat pipe 41 and the corresponding evaporator section of liquid-sucking core heat pipe 61 using this structure Thermal conductive surface, so as to improve heat transfer efficiency, there is good using effect.Practice operation in, as long as ensure gravity assisted heat pipe 41 with Liquid-sucking core heat pipe 61 has enough thermal conductive surfaces, herein under the premise of, the condensation segment of the gravity assisted heat pipe 41 and liquid-sucking core heat pipe The cross sectional shape of 61 evaporator section can also be the geometries such as circle, semicircle, triangle.
Obviously, the above embodiment of the present invention is only intended to clearly illustrate example of the present invention, and is not pair The restriction of embodiments of the present invention.For those of ordinary skill in the field, may be used also on the basis of the above description To make other changes in different forms.There is no necessity and possibility to exhaust all the enbodiments.And these The obvious changes or variations that the connotation for belonging to of the invention is extended out still falls within protection scope of the present invention.

Claims (6)

  1. A kind of 1. double-deck heat pipe phase change heat storage type flat-plate solar collector, it is characterised in that：Including on madial wall and inner bottom wall The housing (1) of first heat-insulation layer (3) is set, and the upper cover plate (11) of the housing (1) is clear glass cover plate, the housing (1) Air layer (12), absorber plate (2), gravity assisted heat pipe layer (4), the second heat-insulation layer (5), liquid-sucking core heat pipe layer are inside provided with from top to bottom (6), multiple gravity assisted heat pipes (41) have been arranged side by side in the gravity assisted heat pipe layer (4), and the liquid-sucking core heat pipe layer (6) has been arranged side by side The one-to-one liquid-sucking core heat pipe (61) of multiple and multiple gravity assisted heat pipes (41), evaporator section and the suction of each gravity assisted heat pipe (41) Hot plate (2) back side is closely connected, and all liquid-sucking core heat pipes (61) are wrapped up by phase change heat storage material layer (7), each gravity heat The evaporator section for managing the condensation segment of (41) and the liquid-sucking core heat pipe (61) of correspondence position is directly connected to or is indirectly connected with by heat-conducting layer, Refrigerant coil pipe (8) is set in the phase change heat storage material layer (7).
  2. 2. double-deck heat pipe phase change heat storage type flat-plate solar collector according to claim 1, it is characterised in that：Each gravity The evaporator section of the condensation segment of heat pipe (41) and the liquid-sucking core heat pipe (61) of correspondence position is fixed by fixed component (9).
  3. 3. double-deck heat pipe phase change heat storage type flat-plate solar collector according to claim 2, it is characterised in that：It is described solid Determining part (9) includes fixture one (91), fixture two (92) and attachment structure, the attachment structure by fixture one (91) and Fixture two (92) pairing is fixed, the steaming of the condensation segment of each gravity assisted heat pipe (41) and the liquid-sucking core heat pipe (61) of correspondence position Hair section is fixed in the locating slot between the fixture one (91) and fixture two (92).
  4. 4. double-deck heat pipe phase change heat storage type flat-plate solar collector according to claim 3, it is characterised in that：The company Binding structure is screw (10), buckle or band.
  5. 5. double-deck heat pipe phase change heat storage type flat-plate solar collector according to claim 1, it is characterised in that：It is described each The condensation segment of gravity assisted heat pipe (41) has the first thermal conductive surface (42), the evaporator section of each liquid-sucking core heat pipe (61) have be suitable to The second thermal conductive surface (62) of first thermal conductive surface (42) matching.
  6. 6. double-deck heat pipe phase change heat storage type flat-plate solar collector according to claim 5, it is characterised in that：It is described each The evaporator section of the condensation segment of gravity assisted heat pipe (41) and each liquid-sucking core heat pipe (61) is the square box bodily form, first thermal conductive surface (42) and Second thermal conductive surface (62) is plane.
CN201610458797.9A 2016-06-22 2016-06-22 Double-deck heat pipe phase change heat storage type flat-plate solar collector Active CN105972837B (en)

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Application Number Priority Date Filing Date Title
CN201610458797.9A CN105972837B (en) 2016-06-22 2016-06-22 Double-deck heat pipe phase change heat storage type flat-plate solar collector

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CN105972837B true CN105972837B (en) 2017-12-01

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05240510A (en) * 1992-02-28 1993-09-17 Showa Alum Corp Solar heat collector
CN201074915Y (en) * 2007-08-15 2008-06-18 马立仁 Solar water heater
CN201401971Y (en) * 2009-03-25 2010-02-10 江苏大学 High-efficient trapezoidal baffled solar air heat collection and storage device
CN202149622U (en) * 2011-07-05 2012-02-22 中国科学院广州能源研究所 Solar flat plate collector with high heat resistance
CN103453576A (en) * 2013-08-28 2013-12-18 南京师范大学 Passive solar radiant heating system
CN205717998U (en) * 2016-06-22 2016-11-23 嘉兴学院 Double-deck heat pipe phase change heat storage type flat-plate solar collector

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05240510A (en) * 1992-02-28 1993-09-17 Showa Alum Corp Solar heat collector
CN201074915Y (en) * 2007-08-15 2008-06-18 马立仁 Solar water heater
CN201401971Y (en) * 2009-03-25 2010-02-10 江苏大学 High-efficient trapezoidal baffled solar air heat collection and storage device
CN202149622U (en) * 2011-07-05 2012-02-22 中国科学院广州能源研究所 Solar flat plate collector with high heat resistance
CN103453576A (en) * 2013-08-28 2013-12-18 南京师范大学 Passive solar radiant heating system
CN205717998U (en) * 2016-06-22 2016-11-23 嘉兴学院 Double-deck heat pipe phase change heat storage type flat-plate solar collector

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