CN105091361A - Integrated plate core of solar heat collector - Google Patents
Integrated plate core of solar heat collector Download PDFInfo
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- CN105091361A CN105091361A CN201510600241.4A CN201510600241A CN105091361A CN 105091361 A CN105091361 A CN 105091361A CN 201510600241 A CN201510600241 A CN 201510600241A CN 105091361 A CN105091361 A CN 105091361A
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- heat
- cavity
- plate core
- heat conductive
- integrated plate
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
- Y02E10/44—Heat exchange systems
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Abstract
The invention discloses an integrated plate core of a solar heat collector. The integrated plate core comprises a heat conductive pipe (102) and a set of heat collecting plates (3) which are communicated with the internal space of the heat conductive pipe (102) and integrally connected with the heat conductive pipe (102). Two independent cavities are formed in the heat conductive pipe (102) and include a heat conductive cavity (107) and a circulating cavity (108). The heat conductive cavity is communicated with an internal cavity of each heat conductive plate. The two ends of the circulating cavity are welded through water pipe connectors (101). An expansion cavity (106) is formed in the heat conductive pipe (102). The heat conductive cavity and the heat collecting plate contain a certain number of heat conductive media, and a vacuum expansion cavity is formed in the heat conductive cavity according to the injection number of the heat conductive media. By means of the integrated plate core of the solar heat collector, the shortcomings that in the heat collecting process of a vacuum pipe, pipe burst and scale depositing are likely to occur, the pressure bearing capacity and freezing resistance are low, maintenance cost is high, and building integration is not likely to realize are overcome, and the shortcomings of low heat collecting efficiency, scale deposition and easy medium leakage of a flat-plate-type heat collector are also overcome.
Description
Technical field
The invention belongs to solar energy heat utilization field, particularly relate to collection and the transmission of solar thermal energy, and the structural design of plate core of solar heat-collecting and manufacture, realize solar thermal energy by the structural design of science, medium guiding and collect and the integration of transmission.
Background technology
Solar thermal collector is divided into two kinds, and one is vacuum glass tube heat collector, and another kind is flat-plate solar collector.
Vacuum glass tube heat collector is the feature utilizing glass tube with vacuum naturally to follow the tracks of solar source, add the principle of reflection of reflector, that glass tube four sides light is exhaustive, convert the solar radiation of absorption to heat energy, utilize cold water than great, that hot water proportion is little feature, in vacuum tube, form cold water from top to bottom, hot water Natural Circulation from bottom to top, the temperature of whole water is progressively raised, reaches uniform temperature.But, due to glass tube self, pipe easily bursts, and due to vacuum tube north and south tilt put, in easy scaling fouling water source, pipe, hot water cannot all take out, cause rate of thermal water utilization to reduce, meanwhile, the vacuum glass tube heat collector mouth of pipe is many, can not pressure-bearing, and seal easy imprecision, often occur water leakage fault, freezing tolerance is poor.The shortcoming of vacuum glass tube heat collector and reason thereof: 1, because the reason that glass tube self anti-pressure ability is low causes easy booster, and a place bursts and will cause the paralysis of whole system; 2, the characteristic based on the free convection of glass tube solar energy causes easy scaling fouling water source at the bottom of pipe, and the hot water simultaneously in pipe cannot all take out, and causes rate of thermal water utilization to reduce; 3, the mouth of pipe is many, and system bearing capacity is very low, simultaneously poor sealing performance, and the frequency of leaking is high; 4, the anti-pressure ability due to vacuum tube is poor, and its architectural characteristic makes it be difficult to realize architecture-integral.
Flat-plate solar collector a kind ofly absorbs solar radiation energy and to the device of working medium transferring heat, sunlight is irradiated to surface through transparent cover plate and scribbles on the absorber of absorbed layer, wherein most of solar radiant energy is absorbed by absorber, changes heat energy into, and is transmitted to the working medium in fluid passage.Like this, from the cold working medium of heat collector bottom inlet, in the fluid passage heat by solar energy, temperature raises gradually, the hot working fluid after heating, with the upper end outlet of useful heat energy from heat collector, stores in storage tank.
The shortcoming of classic flat-plate solar thermal collector is summed up:
1, heat transfer part and thermal-arrest portion are that line style contacts, cause its heat waste large, obtain heating rate extremely low, because absorber temperature constantly raises, its plate core is collected, heat by conduction energy efficiency is low, cause absorber obtain hot after can not absorb in time, by transparent cover plate and shell to environment dissipated heat, form the various heat loss of classic flat-plate solar heat collector;
2, because of its architectural characteristic, its board core material material can only select the metal that thermal conductivity is higher, cause that manufacturing cost is high, manufacturing process is complicated, at the bottom of heating rate, the defects such as the possibility of optimization and upgrading is little;
3, heat-transfer working medium runs at plate core inner, because its caliber is too small, flex point is many, causes heat-transfer working medium running orbit irregular, causes plate core inner be very easy to fouling and form channel blockage, affects solar collecting performance.
4, this kind of structure and the method for operation cause its medium to realize internal insulation, and particularly heat waste is excessive in the winter time, can directly cause product efficiency to reduce.
Summary of the invention
Goal of the invention: in order to overcome the deficiencies in the prior art, the invention provides a kind of easy booster solved in vacuum tube heat collection function, incrustation, bearing capacity is poor, freezing tolerance is poor, maintenance cost is high, the not easily shortcoming such as architecture-integral and overcome the solar thermal collector integrated plate core that the collecting efficiency of flat-plate collector is low, incrustation, medium easily leak.
Technical scheme: for solving the problems of the technologies described above, a kind of solar thermal collector integrated plate core disclosed in patent of the present invention,: the one group of collecting plate comprise a heat pipe, being connected with the through one in heat pipe inner space, described heat pipe inside is provided with two individual cavity, two individual cavity comprise thermal conductive cavity and flowing lumen respectively, described thermal conductive cavity communicates with collecting plate internal cavity, and described flowing lumen two ends are welded by water pipe head; Described thermal conductive cavity and collecting plate, built with a certain amount of heat-conducting medium, form a vacuum expansion chamber by the injection rate of heat-conducting medium in thermal conductive cavity.
Further, described collecting plate and thermal conductive cavity run through the heat-conducting medium in the cavity of one is one or more in anti-icing fluid, water, ethane, acetone, methane, toluene.
Further, described flowing lumen is connected with water pipe head argon arc welding, forms aquaporin (heat transfer part), and described one group of collecting plate and thermal conductive cavity argon arc welding or Laser Welding are connected to form heat-collecting plate core, and it connects and runs through composition thermal-arrest portion.
Further, the volume in described vacuum expansion chamber is equal with the volume differences before and after the expansion of thermal conductive cavity, and the coefficient of expansion of thermal conductive cavity is determined by its material therefor, formulates injected media amount how many according to its coefficient of expansion.
Further, described heat pipe is provided with a pressure relief opening, and described pressure relief opening is a media fill mouth, vacuum orifice.
Further, described thermal conductive cavity is welded by pulsed argon arc welding with the sealing joint of water pipe.
Further, described heat pipe is connected by soldering, gas shielded arc welding, Laser Welding with thermal-collecting tube.
Further, described collecting plate afterbody is by soldering, supersonic welding sealing.
Further, described heat-collecting plate core material is the one in copper, aluminium, iron, stainless steel.
Further, described collecting plate is provided with absorption film, and it is optional that described heat-collecting plate core obtains by the use of thermal means---and surface anodization, chromium plating, titanizing, chemically blackening, supersonic welding connect heat absorption mould.
Further, described heat pipe form is the one in semicircle, rectangle, trapezoidal, circular, triangle.
Beneficial effect: invention possesses following advantage:
1) in the present invention, heat transfer part (flowing lumen) and thermal-arrest portion (collecting plate, heat pipe) are the unit of two independent operatings, heat transfer part and thermal-arrest portion slitless connection; The medium of the filling constant basis in thermal-arrest portion, medium wraps up heat transfer part comprehensively, the whole heat collector surface internal cavity of heat-conducting medium uniformly dispersing, bring up its without the limiting to of start-up temperature, heating rate high, without plurality of advantages such as heat loss; Heat-conducting medium directly wraps up heat transfer part, and heat transfer medium is by directly free of losses taking away the heat energy collected in thermal-arrest portion during heat transfer part; ;
2) in the present invention, thermal-arrest portion heat-conducting medium is enclosed in thermal-arrest portion cavity, and filling amount is constant, and in cavity, reserved expansion space, obtains thermal cycle and complete at plate core inner, leaves pressure relief opening so that plate core is safeguarded.This application make plate core without fouling risk, Long-Time Service without performance degradation, high, the batch production of high, the energy-conserving and environment-protective of heating rate, pressure-bearing coefficient time properties of product stable uniform, the advantage such as safe and reliable;
3) in the present invention, direct collector area is large, and heat-conducting medium comprehensive engagement in heat collector surface and cavity, causes operational system without the restriction of start-up temperature; According to gravity principle in conjunction with design feature of the present invention, the centralized heat energy parcel heat transfer position of collection, heat transfer part heat transfer medium directly can take away heat energy, and its heat waste is almost negligible;
4) structure optimization space of the present invention is large, can adjust the kind of heat-conducting medium in the size of heat collector surface, thermal-arrest cavity according to regional difference; Thermal-arrest mode is various optional, and solar absorber surface can do the process such as anodic oxidation, chromium plating, titanizing, chemically blackening, also Pasting or ultrasonic bonding heat absorption rete;
5) design that the present invention is split type is more conducive to architecture-integral, and this patent not only can be applied to solar thermal collector and can be applicable to optoelectronic integration.
Accompanying drawing explanation
Fig. 1 is the structural representation of invention.
Fig. 2 is the running structural representation of patented invention.
Fig. 3 is the A partial enlarged drawing of Fig. 1.
Fig. 4 is the B partial enlarged drawing of Fig. 1.
Fig. 5 is the C partial enlarged drawing of Fig. 1.
Fig. 6 is another structural representation of patented invention.
Fig. 7 is the partial enlarged drawing of D in Fig. 6.
Fig. 8 is the shape and structure schematic diagram of pressure relief opening and thermal conductive cavity.
Wherein, water pipe head 101, heat pipe 102, collecting plate 103, absorption film 104, pressure relief opening 105, expansion chamber 106, thermal conductive cavity 107, flowing lumen 108.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is further described.
As shown in Fig. 1 ~ 8, a kind of solar thermal collector integrated plate core, the one group of collecting plate 103 comprise a heat pipe 102, being connected with the through one in heat pipe 102 inner space, described heat pipe 102 inside is provided with two individual cavity, two individual cavity comprise thermal conductive cavity 107 and flowing lumen 108 respectively, described thermal conductive cavity 107 communicates with collecting plate 103 internal cavity, and described flowing lumen 108 two ends are welded by water pipe head 101; Described thermal conductive cavity and collecting plate, built with a certain amount of heat-conducting medium, form a vacuum expansion chamber 106 by the injection rate of heat-conducting medium in thermal conductive cavity 107 and collecting plate 103 cavity.Volume differences before and after the expansion of the volume in described vacuum expansion chamber and thermal conductive cavity 107 and collecting plate 103 is equal.Described collecting plate is provided with absorption film 104.Described heat pipe 102 is provided with a pressure relief opening 105.Described pressure relief opening 105 is a media fill mouth, vacuum orifice.Described collecting plate 103 afterbody is by soldering or supersonic welding sealing.Described heat-collecting plate core material can be the one in copper, aluminium, iron, stainless steel.It is optional that described heat-collecting plate core 103 obtains by the use of thermal means---and surface anodization, chromium plating, titanizing, chemically blackening, supersonic welding connect the one of absorbing heat in mould 104.Described heat pipe 102 form can be the one in semicircle, rectangle, trapezoidal, circular, triangle.Described collecting plate and the thermal conductive cavity heat-conducting medium run through in the cavity of one is one or more in anti-icing fluid, water, ethane, acetone, methane, toluene.
The manufacture craft of described solar thermal collector integrated plate core is as follows:
1, heat pipe 102 section bar is cut into applicable length as requested, checks dimensional tolerance.
2, go out to install the mounting groove of collecting plate 103 workpiece by the machine tooling of heat pipe 102 workpiece, carry out local cleaning after confirming its dimensional accuracy with measurer, to ensure installation accuracy and welding quality;
3, according to the apparent size of heat-collecting plate core, collecting plate 103 is cut to applicable size, is accurately docked by positioning fixture with heat pipe 102 workpiece, local cleaning is carried out in docking site, to guarantee welding quality;
4, intake pipe joint 101 workpiece embryo material, uses die head threading machine machining screw after shearing suitable length with cast-cutting saw, and silk dental phenomenon is also detected with gauge in cleaning local;
The mode of 5, employing soldering, gas shielded arc welding, Laser Welding welds heat pipe 102 and collecting plate 103 needs seal welding position, checks welded condition;
6, adopt rocker-arm tapping machine to the recirculated water paddle hole tapping of heat pipe 102, tapping state is also measured with gauge in cleaning tapping position, installs water pipe head 101.Water pipe head 101, heat pipe 102, collecting plate 103 are combined as collecting plate integrated plate core;
7, by collecting plate integrated plate core, carry out sealing test with 0.5MPA hydraulic pressure, keep more than 1MIN No leakage;
8, using supersonic welding or heat conductive silica gel to be connected detecting qualified collecting plate integrated plate core with heat absorption mould 104, detecting connection status;
9, collecting plate integrated plate core is by increasing the quantity of collecting plate 103 or adopting the mode of overall splicing to form an integral face, meet technical requirement rear surface with the assembled welding of heat pipe 102 and do the process such as anodic oxidation, chromium plating, titanizing, chemically blackening as heat collector surface, cancel the use of heat absorption mould 104.
The above is only the preferred embodiment of this patent; be noted that for those skilled in the art; under the prerequisite not departing from this patent principle, can also make some improvements and modifications, these improvements and modifications also should be considered as the protection domain of this patent.
Claims (10)
1. a solar thermal collector integrated plate core, it is characterized in that: the one group of collecting plate (103) comprise a heat pipe (102), being connected with the through one in heat pipe (102) inner space, described heat pipe (102) inside is provided with two individual cavity, two individual cavity comprise thermal conductive cavity (107) and flowing lumen (108) respectively, and described thermal conductive cavity (107) communicates with collecting plate (103) internal cavity; Described thermal conductive cavity (107) and collecting plate (103), built with a certain amount of heat-conducting medium, form a vacuum expansion chamber (106) by the injection rate of heat-conducting medium in thermal conductive cavity (107) and collecting plate (103) cavity.
2. a kind of solar thermal collector integrated plate core according to claim 1, is characterized in that: the volume differences before and after the expansion of the volume of described vacuum expansion chamber (106) and thermal conductive cavity (107) and (103) is equal.
3. a kind of solar thermal collector integrated plate core according to claim 1, is characterized in that: described collecting plate is provided with absorption film (104).
4. a kind of solar thermal collector integrated plate core according to claim 1, is characterized in that: described heat pipe (102) is provided with a pressure relief opening (105).
5. a kind of solar thermal collector integrated plate core according to claim 4, is characterized in that: described flowing lumen (108) two ends are by water pipe head (101) welding.
6. a kind of solar thermal collector integrated plate core according to claim 1, is characterized in that: described heat pipe (103) afterbody is by soldering or supersonic welding sealing.
7. a kind of solar thermal collector integrated plate core according to claim 1, is characterized in that: described board core material matter can be the one in copper, aluminium, iron, stainless steel.
8. a kind of solar thermal collector integrated plate core according to claim 1, is characterized in that: the surface anodization of described collecting plate (103), chromium plating, titanizing, chemically blackening process, and supersonic welding connects heat absorption mould (104).
9. a kind of solar thermal collector integrated plate core according to claim 1, is characterized in that: described heat pipe (102) form is the one in semicircle, rectangle, trapezoidal, circular, triangle.
10. a kind of solar thermal collector integrated plate core according to claim 1, is characterized in that: described collecting plate (103) and thermal conductive cavity (107) heat-conducting medium run through in the cavity of one is one or more in anti-icing fluid, water, ethane, acetone, methane, toluene.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510600241.4A CN105091361A (en) | 2015-09-18 | 2015-09-18 | Integrated plate core of solar heat collector |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510600241.4A CN105091361A (en) | 2015-09-18 | 2015-09-18 | Integrated plate core of solar heat collector |
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| Publication Number | Publication Date |
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| CN105091361A true CN105091361A (en) | 2015-11-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510600241.4A Pending CN105091361A (en) | 2015-09-18 | 2015-09-18 | Integrated plate core of solar heat collector |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5563355A (en) * | 1979-07-31 | 1980-05-13 | Matsushita Electric Works Ltd | Solar heat collector |
| US4237866A (en) * | 1977-08-19 | 1980-12-09 | Queen's University At Kingston | Solar heater |
| CN1514184A (en) * | 2003-08-06 | 2004-07-21 | 孙士明 | Heat pipe vacuum tube solar energy heat collector |
| CN1584444A (en) * | 2004-05-26 | 2005-02-23 | 黄永年 | Hot-piping planar solar heater collector |
| CN205191951U (en) * | 2015-09-18 | 2016-04-27 | 林禹凡 | High -efficient integration board core of solar collector |
-
2015
- 2015-09-18 CN CN201510600241.4A patent/CN105091361A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4237866A (en) * | 1977-08-19 | 1980-12-09 | Queen's University At Kingston | Solar heater |
| JPS5563355A (en) * | 1979-07-31 | 1980-05-13 | Matsushita Electric Works Ltd | Solar heat collector |
| CN1514184A (en) * | 2003-08-06 | 2004-07-21 | 孙士明 | Heat pipe vacuum tube solar energy heat collector |
| CN1584444A (en) * | 2004-05-26 | 2005-02-23 | 黄永年 | Hot-piping planar solar heater collector |
| CN205191951U (en) * | 2015-09-18 | 2016-04-27 | 林禹凡 | High -efficient integration board core of solar collector |
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Application publication date: 20151125 |
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