CN1704695A - Choking flow type glass thermal-collecting tube panel heat collection device - Google Patents
Choking flow type glass thermal-collecting tube panel heat collection device Download PDFInfo
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- CN1704695A CN1704695A CNA2004100246328A CN200410024632A CN1704695A CN 1704695 A CN1704695 A CN 1704695A CN A2004100246328 A CNA2004100246328 A CN A2004100246328A CN 200410024632 A CN200410024632 A CN 200410024632A CN 1704695 A CN1704695 A CN 1704695A
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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
This invention relates to a blocking plate collector, which comprises collector box including translucent cover board, extrudate frame and bottom board, in addition to the connecting line, glass solar thermal-collecting tube and conduit saddle in the box, wherein the glass solar thermal-collecting tube can be one or more than one kind of solar thermal-collecting tube with glass tube; in the box it also has interceptor setting between the glass vacuum thermal-collecting tube and box board, or between the adjacent glass vacuum thermal-collecting tubes. By setting the interceptor, it can prevent the air convection loss around the glass vacuum thermal-collecting tube; meanwhile, it can increase the space between the thermal-collecting tube and the translucent cover board; by which can improve the heat-insulating property of the collector.
Description
Technical field
The invention belongs to technical field of solar utilization technique, especially relate to solar thermal collector insulation construction technology.
Technical background
Solar thermal collector is divided into electron tubes type, flat and three kinds of forms of closing-sunning type usually, wherein, the glass-vacuum tube heat collector exists the easy laying dust of glass tube face and not easy-clear, the easy laying dust of reflector and the effectively shortcoming of the less and collecting efficiency poor stability of work area with respect to flat-plate collector.The heat collector of heat-insulating property and collecting efficiency and the anti-hail impact grinding of glass face performance more need to improve to(for) extremely frigid zones; for this reason; usually select the solar energy heat collection pipe of metal flow passage formula or heat pipe-type for use; but practical application experience proves: even anti-freezing property is than the better metal heat pipe of metal flow passage formula fin vacuum heat collection pipe; exist the shortcoming of resistance to low temperature deficiency on the one hand; it is most metal heat pipe fin vacuum tube collectors continuous three cloudy daies or snow under-35 ℃～-40 ℃ temperature after the glass tube bursting by freezing appears in regular meeting; on the other hand; when development is fit to the high anti-freezing performance medium prescription of extremely frigid zones metal heat pipe; the situation of the corresponding decline of start-up temperature when often also being created in the phase anti-season; both are difficult to average out, even it is also very high to develop its cost of such prescription.For user, except can aspect the heat transfer medium frost resistance, selecting, also exist the possibility of selecting from other aspects from cold to the extremely frigid zones Different Climatic Zones.
Flat plate collector then exists the weak shortcoming of heat-insulating property with respect to the glass-vacuum tube heat collector, mainly is because the heat-retaining condition of plate glass cover plate face end is weak.In order to improve heat-retaining condition on the glass cover-plate face, certain spacing distance normally is set to prolong the distance of heat by the air buffer conduction between glass cover-plate and thermal-arrest tube sheet, but spacing distance is excessive or the temperature difference can produce the convection heat transfer' heat-transfer by convection of air when big again, for this reason, the flat plate collector that has occurred the double glazing cover plate again, and the somebody has proposed the flat plate collector of band honeycomb, announced " a kind of honeycomb flat-plate solar heat collector " as CN2042939U, between transparent cover plate and absorber plate, be full of the honeycomb of making by transparent material, to improve the working medium temperature rise and the thermal efficiency, because the hydraulic diameter of honeycomb is little, manufacturing technology is complicated, and only the honeycomb cost is just up to 200 yuan/M
2More than, and need fixing, and be more suitable between the double glazing cover plate, being provided with, make its application be subjected to very big restriction, most in the world areas are also used effectively so far and are promoted.
In order to overcome existing dull and stereotyped and glass-vacuum tube heat collector shortcoming separately simultaneously, and utilize the mode that in novel glass thermal-collecting tube flat plate collector, further increases spoiler to substitute existing complicated transparent honeycomb device structure, can further improve heat-insulating property, collecting efficiency and the anti-hail impact grinding of the glass face performance of heat collector, obtain with lower cost and manufacturing process and reach same or better effect, and improve novel heat collector and architecture-integral particularly wind carry binding ability bigger, that dispel the heat high residential building application faster.
Summary of the invention
The object of the present invention is to provide a kind of glass heat collection tube flat plate collector that can further improve vacuum heat collection pipe insulation and the cracked performance of shock resistance, under the condition that does not influence light transmission, can eliminate glass heat collection tube flat plate collector internal cause glass tube aligned gaps and its geometry and the cross-ventilation heat waste that factor causes is set with the euphotic cover plate spacing, and can increase airspace between glass heat-collecting vacuum tube and euphotic cover plate, slow down glass heat-collecting vacuum tube by the air layer speed that heat transmits outside euphotic cover plate.In addition, the choked flow structure that is provided with by the periphery of the glass heat-collecting vacuum tube in dull and stereotyped casing should be simple and easy, with low cost, and can help to improve the cracked performance of shock resistance of glass heat collection tube flat plate collector.
The present invention is achieved by the following technical solutions, adopt choke type glass heat collection tube flat plate collector, it is characterized in that comprising by euphotic cover plate, the extrudate frame, the heat collector cases that base plate is formed, also be equipped with the connection header in the casing, glass solar heat collection pipe, conduit saddle and spoiler etc., described glass solar heat collection pipe can be the solar energy heat collection pipe of any one or above band glass tube, and described spoiler is arranged between glass heat-collecting vacuum tube and the euphotic cover plate, or between glass heat-collecting vacuum tube and euphotic cover plate and the adjacent glass heat-collecting vacuum tube.Being provided with of described spoiler can be along the vertical setting of glass heat-collecting vacuum tube or horizontally set or both combinations.Described spoiler vertically with horizontally set make up can adopt on the longitudinal and transverse spoiler separately behind the jag mutual corresponding snap fit connection is set.Described spoiler can be printing opacity, semi-transparent or catoptrical, and its material can be high molecule plastic or sheet metal or both is compound.The positioning support that can be lined with foamed heat insulating section bar material behind the described glass solar heat collection pipe is sat, maybe can be provided with heat insulation spoiler.Between described glass solar heat collection pipe and the backsight positioning support photothermal reflectance film or thin slice can be set.Described euphotic cover plate can be the euphotic cover plate that full impregnated is bright, translucent or the type of dispersing is transparent, and its material is glass or high molecule plastic.Described extrudate frame, connection header or conduit saddle all can adopt high molecule plastic made.
Advantage of the present invention is: under the condition that does not influence light transmission; easy by in the glass heat collection tube flat plate collector, structure being set more than honeycomb; easy to use; the spoiler that manufacturing cost is lower; can effectively suppress glass heat-collecting vacuum tube periphery because exist aligned gaps and cylindrical surface structure to reach and euphotic cover plate between the spacing setting produce to the cross-ventilation heat waste in the fluid space; simultaneously; can be by increasing the speed of the spacing distance minimizing air heat conduction loss heat between glass heat-collecting vacuum tube and euphotic cover plate; both are in conjunction with the heat-insulating property that has further improved heat collector; in addition, be arranged on spoiler between flat plate collector transparent cover plate and the glass heat collection tube provides shock resistance of another layer and chip resistant to heat collector defencive function.
Result of the test shows: owing to adopted the compound of dull and stereotyped casing and the two glass vacuum heat collection pipes of metal fin heat pipe, and in heat collector, being provided with spoiler, this heat collector can experience the continuous the moon more than five days in the puna below-45 ℃, snow weather keeps the not bursting by freezing of silicon boron glass vacuum heat collection pipe.
Description of drawings
Fig. 1 is the structural representation of the embodiment of choke type glass heat collection tube flat plate collector of the present invention;
Fig. 2 is the transverse sectional view of Fig. 1;
Fig. 3 is the structural representation of the spoiler among the choke type glass heat collection tube flat plate collector embodiment of the present invention;
Fig. 4 is the scheme of installation of the spoiler among the choke type glass heat collection tube flat plate collector embodiment of the present invention.
The specific embodiment:
In conjunction with Fig. 1-shown in Figure 4, glass heat collection tube formula flat plate collector embodiment of the present invention comprise casing 1 and under euphotic cover plate 101, extrudate frame 102, base plate 103, connection header unit 2; Glass solar heat collection pipe 3; Compositions such as conduit saddle 4, spoiler 5, insulation material positioning support seat 6, photothermal reflectance film or thin slice 7, wherein, euphotic cover plate; The extrudate frame; Base plates etc. are formed heat collector cases, and box house is equipped with glass solar heat collection pipe, conduit saddle and connection header unit, insulation material positioning support seat, spoiler etc.
Spoiler can be printing opacity as transparent plastic sheet or semi-transparent as translucent plastic tab or catoptrical as opaque sheet metal, accordingly, its material can be the compound of high molecule plastic or sheet metal or both as the plastics mantle that has metal film.
Spoiler be arranged between glass heat-collecting vacuum tube and the euphotic cover plate or glass heat-collecting vacuum tube and euphotic cover plate and adjacent glass heat-collecting vacuum tube between.Being provided with of spoiler can be along the vertical setting of glass heat-collecting vacuum tube or horizontally set or both combinations, because being provided with all of spoiler keeps vertical with transparent cover plate, so do not influence the light transmission of heat collector, and in the glass heat collection tube flat plate collector, vertically setting or horizontally set structure can adopt known common method of attachment directly or indirectly to be connected with the extrudate frame, do not endure at this and to state, when adopting film, can rely on the extrudate frame that the rigid border supporting is provided; In addition, vertical and the horizontally set combination of spoiler can be adopted vertical, in the transverse arrest flow separately behind the jag mutual corresponding snap fit connection is set, as shown in Figure 3, earlier vertical, horizontal two to spoiler on cut across the bifurcated breach respectively after, referring to shown in Figure 4, utilize again and inlay clamping between each bifurcated breach relatively and install and just to obtain as shown in Figure 1 vertical, horizontal two to the installation positioning result is set, like this, spoiler both can adopt hard sheet also can adopt the use that mutually combines of film and hard sheet, it makes with installation simple and easy and convenient more than honeycomb, and manufacturing cost can reduce significantly.
Euphotic cover plate can be the euphotic cover plate that full impregnated is bright, translucent or the type of dispersing is transparent, and its material is glass or high molecule plastic.Described extrudate frame, connection header unit or conduit saddle all can adopt high molecule plastic such as materials such as PVC or PPR made.
The insulation material positioning support is sat heat-insulation layer effect and the supporting glass solar energy heat collection pipe that further reinforcement heat-insulating property is played in the behind that is arranged on glass solar heat collection pipe in the casing, maybe can adopt the mode of heat insulation spoilers such as macromolecule membrane or partition are set to substitute suppressing the cross-ventilation between glass solar heat collection pipe and base plate, between glass solar heat collection pipe and insulation material positioning support are sat also can between lining photothermal reflectance film or thin slice to improve the back reflection effect.
Glass solar heat collection pipe can be selected the hot pipe type vacuum list glass of metal heat absorption fin or the heat pipe-type glass heat collection tube of two glass thermal-collecting tube or band metal heat absorption fin for use; the former is provided with in the glass heat collection tube chamber of metal heat absorption fin and is evacuated; the latter does not vacuumize; all adopt adopting heat pipes for heat transfer; connection converges and connects and can change through the heat exchange bayonet fittings; connection header unit comprises heat exchange bayonet fittings and connection header; the spacing of glass solar heat collection pipe can be in the arrangement greater than formation non-dense set type more than 5 millimeters; realistic application conditions as existing most glass solar heat collection pipes; at this moment; between adjacent glass heat-collecting vacuum tube, need spoiler vertically to be set along glass heat-collecting vacuum tube; method is same as above, thus can effectively suppress glass heat-collecting vacuum tube periphery owing to have that aligned gaps and cylindrical surface structure produce to the cross-ventilation heat waste in the fluid space.In addition, also can adopt common heat pipe release end of heat to insert in the header and interconnect through screw thread and carry out heat exchange with the method for fluid sealant auxiliary seal and is connected, at this moment, joining the header unit is header.
Adopt and to comprise not only in the tube core of metal flow passage formula glass solar heat collection pipe that work wears the two dimension heat absorption fin plate of the plane of coating for selective absorption or curved surface, also comprises the pipe face heat absorption working face of three-dimensional heat absorption fin or non-finned.Described three-dimension fin solar energy collector be meant can by the work fin repeatedly reflection-absorption as be similar to disclosed three-dimension fin structure among the Chinese patent ZL02 2 64999.9 from the following three-dimension fin formula solar energy collector of mirroring plate reflection sight.
Can also adopt between glass solar heat collection pipe and the connection header and comprise vacuum or hollow sealing glass tube; from the inwall of glass tube or outer wall mode through elastic component sealing etc.; to arrange effect be to make its mutual in casing that spacing is set can form intensive thermal-collecting tube arrangement between the 0.05-3.5 millimeter to reach; at this moment; only need consider effectively to suppress the spacing setting between glass heat-collecting vacuum tube and euphotic cover plate and produce to the cross-ventilation heat waste in the fluid space; simultaneously; in order further to have improved the heat-insulating property of heat collector; can be by increasing the speed of the spacing distance minimizing air heat conduction loss heat between glass heat-collecting vacuum tube and euphotic cover plate; like this; under the condition of the light transmission that does not influence heat collector; the spoiler that is arranged between flat plate collector transparent cover plate and the glass heat collection tube had both improved heat-insulating property to heat collector, and the defencive function of one deck shock resistance and chip resistant is provided again.
Described glass solar heat collection pipe comprises the solar energy heat collection pipe of any one or above band glass tube.Because vacuum fin heat pipe glass-vacuum tube is with respect to the startup operating point temperature height of flow channel type metal fin pipeline glass-vacuum tube, therefore efficient is not so good as the latter when the heat collector operating temperature is low, and in case after entering steady-working state, the former efficient just rises to and is higher than the latter, for dull and stereotyped casing, since exist edge heat radiation imitate because of, the temperature at its middle part always is higher than the temperature of edge, in order to improve the combination property and the efficient of glass heat collection tube formula flat plate collector, can metal flow passage formula glass-vacuum tube be set as through type or U type tubular type vacuum heat collection pipe etc. at the two ends, edge of heat collector cases according to different needs, corresponding middle part at heat collector cases is provided with metal fin heat pipe-type glass-vacuum tube (as shown in Figure 1), the collecting efficiency of balance in the time of so just can obtaining desirable low and higher two ends operating temperature simultaneously, certainly, join this moment heat transfer medium in the header flow to should be earlier through the glass heat collection tube of two ends lower temperature work after the glass heat collection tube of middle higher temperature work.In addition, if the two preferably glass vacuum heat collection pipes of heat-insulating property are set at the heat collector two ends, single glass vacuum heat collection pipe are set in the middle part, also but balance reduces because the heat waste because of producing is imitated at the heat collector edge, reduce the temperature difference and the influence of consequent thermal stress of euphotic cover plate on the dull and stereotyped casing, like this, just can select the configuration that heat collector carries out multiple glass solar heat collection pipe according to the service condition of Different Climatic Zones, make it can bring into play collaborative humidification each other, can improve the economy of heat collector again.
Claims (8)
1. choke type glass heat collection tube flat plate collector, it is characterized in that comprising the heat collector cases of forming by euphotic cover plate, extrudate frame, base plate, also be equipped with connection header, glass solar heat collection pipe, conduit saddle and spoiler etc. in the casing, described glass solar heat collection pipe can be the solar energy heat collection pipe of any one or above band glass tube, described spoiler be arranged between glass heat-collecting vacuum tube and the euphotic cover plate or glass heat-collecting vacuum tube and euphotic cover plate and adjacent glass heat-collecting vacuum tube between.
2. choke type glass heat collection tube flat plate collector according to claim 1 is characterized in that being provided with of described spoiler can be along the vertical setting of glass heat-collecting vacuum tube or horizontally set or both combinations.
3. choke type glass heat collection tube flat plate collector according to claim 2, it is characterized in that described spoiler vertically with horizontally set make up can adopt on the longitudinal and transverse spoiler separately behind the jag mutual corresponding snap fit connection is set.
4. according to the described choke type glass heat collection tube of claim 1 to 3 flat plate collector, it is characterized in that described spoiler can be printing opacity, semi-transparent or catoptrical, its material can be high molecule plastic or sheet metal or both is compound.
5. according to the described choke type glass heat collection tube of claim 1 to 4 flat plate collector, it is characterized in that the positioning support that can be lined with foamed heat insulating section bar material behind the described glass solar heat collection pipe sits, maybe can be provided with heat insulation spoiler.
6. according to the described choke type glass heat collection tube of claim 1 to 5 flat plate collector, it is characterized in that between described glass solar heat collection pipe and the backsight positioning support photothermal reflectance film or thin slice being set.
7. according to the described choke type glass heat collection tube of claim 1 to 6 flat plate collector, it is characterized in that described euphotic cover plate can be the euphotic cover plate that full impregnated is bright, translucent or the type of dispersing is transparent, its material is glass or high molecule plastic.
8. according to the described choke type glass heat collection tube of claim 1 to 7 flat plate collector, it is characterized in that described extrudate frame, connection header or conduit saddle all can adopt high molecule plastic made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100246328A CN100538199C (en) | 2004-05-25 | 2004-05-25 | Choke type glass heat collection tube flat plate collector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100246328A CN100538199C (en) | 2004-05-25 | 2004-05-25 | Choke type glass heat collection tube flat plate collector |
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| Publication Number | Publication Date |
|---|---|
| CN1704695A true CN1704695A (en) | 2005-12-07 |
| CN100538199C CN100538199C (en) | 2009-09-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB2004100246328A Expired - Fee Related CN100538199C (en) | 2004-05-25 | 2004-05-25 | Choke type glass heat collection tube flat plate collector |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103727520A (en) * | 2014-01-06 | 2014-04-16 | 中国船舶重工集团公司第七�三研究所 | Intensive heated tube bundle fixing device suitable for supercharged boiler waste heat recovery |
| CN106931654A (en) * | 2017-04-14 | 2017-07-07 | 安徽晶润新能源有限公司 | The solar thermal collector that can quickly heat |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103216953B (en) * | 2013-04-16 | 2016-01-27 | 广州粤海真空技术有限公司 | A kind of flat-plate solar collector |
-
2004
- 2004-05-25 CN CNB2004100246328A patent/CN100538199C/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103727520A (en) * | 2014-01-06 | 2014-04-16 | 中国船舶重工集团公司第七�三研究所 | Intensive heated tube bundle fixing device suitable for supercharged boiler waste heat recovery |
| CN106931654A (en) * | 2017-04-14 | 2017-07-07 | 安徽晶润新能源有限公司 | The solar thermal collector that can quickly heat |
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| Publication number | Publication date |
|---|---|
| CN100538199C (en) | 2009-09-09 |
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| C06 | Publication | ||
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Changzhou Sunny solar energy engineering technology Co., Ltd. Assignor: Pan Ge Contract record no.: 2012310000045 Denomination of invention: Choking flow type glass thermal-collecting tube panel heat collection device Granted publication date: 20090909 License type: Exclusive License Open date: 20051207 Record date: 20120410 |
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| DD01 | Delivery of document by public notice |
Addressee: Pan Ge Document name: Notification of Decision on Request for Restoration of Right |
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| CP02 | Change in the address of a patent holder |
Address after: 504 room 3, building 151, No. 213161, Renmin Road, Changzhou, Jiangsu Patentee after: Pan Ge Address before: 200030, room 10, five village, Wan Nan 502, Shanghai Patentee before: Pan Ge |
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| CP02 | Change in the address of a patent holder | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090909 Termination date: 20200525 |
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| CF01 | Termination of patent right due to non-payment of annual fee |