CN204574556U - Straight-through vacuum tube solar thermal collector - Google Patents
Straight-through vacuum tube solar thermal collector Download PDFInfo
- Publication number
- CN204574556U CN204574556U CN201520248489.4U CN201520248489U CN204574556U CN 204574556 U CN204574556 U CN 204574556U CN 201520248489 U CN201520248489 U CN 201520248489U CN 204574556 U CN204574556 U CN 204574556U
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- Prior art keywords
- tube
- heat
- heat exchanger
- vacuum
- vacuum glass
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- Expired - Fee Related
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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
Straight-through vacuum tube solar thermal collector, support is arranged with the heat exchanger tube being at least two, the import and export of adjacent heat exchange tubes is communicated with by tube connector, on the pipe shaft of each heat exchanger tube, cover has vacuum glass heat collection tube respectively, vacuum glass heat collection tube is connected by Spring Card and heat exchanger tube, the ring be equipped with between each vacuum glass heat collection tube and heat exchanger tube for sealing blocks up, and tube connector is connected by installing rack and support; Heat exchange pipe external surface scribbles heat absorbing coating; Vacuum glass heat collection tube is provided with heat absorbing coating district and transparent area; Heat exchanger tube outer wall is provided with some fins; The tube wall of heat exchanger tube is pressed with several pits; Tube connector outer wall is enclosed with heat-insulation layer; Each vacuum glass heat collection tube is stamped movable sunshade; Each vacuum glass heat collection tube is covered with protection network, and periphery and the support of protection network are connected; The spool of sunshade one end and screen-roller is connected, and screen-roller is fixed on support, and this heat collector heat exchange efficiency is high, and heat exchange medium circulating resistance is little, not easily blocks.
Description
Technical field
The utility model relates to vacuum tube solar heating element, specifically provides a kind of straight-through vacuum tube solar thermal collector.
Background technology
Thermal-collecting tube in existing vacuum tube solar heating element is made up of the heat exchanger tube of vacuum glass heat collection tube and U-shaped, vacuum glass heat collection tube one end is cecum, the other end is provided with opening, the U-shaped end of described heat exchanger tube is placed in vacuum tube, the too small meeting of radius bend due to U-shaped pipe makes pipe shaft distortion narrow, and the bore of most of vacuum glass heat collection tube is less, make so the heat exchanger tube of U-shaped is tubule substantially, operation principle due to heat collector is by after the air in the energy heats glass tube of the heat absorbing coating absorption sunshine on glass tube, the heat exchange medium in the energy heats heat exchanger tube in air is absorbed again by heat exchanger tube, belong to twice heat exchange, efficiency is lower, again from the radial section of thermal-collecting tube, the bore of vacuum glass heat collection tube is circular, U-shaped heat exchanger tube is separated by a distance in word order in vacuum glass heat collection tube, meticulous caliber not only endotherm area is little, when heat exchange medium also can be caused to circulate, resistance strengthens, add the burden of work-pump station, and meet impurity easily to block up, thermal-collecting tube is caused to lose efficacy.
Summary of the invention
The utility model provides a kind of straight-through vacuum tube solar thermal collector, and this heat collector heat exchange efficiency is high, and heat exchange medium circulating resistance is little, not easily blocks.
The technical solution of the utility model is: straight-through vacuum tube solar thermal collector, comprise support, it is characterized in that: support is arranged with the heat exchanger tube being at least two, the import and export of adjacent heat exchange tubes is communicated with by tube connector, on the pipe shaft of each heat exchanger tube, cover has vacuum glass heat collection tube respectively, vacuum glass heat collection tube is connected by Spring Card and heat exchanger tube, and between each vacuum glass heat collection tube and heat exchanger tube, the ring be equipped with for sealing blocks up, and described tube connector is connected by installing rack and support;
Described heat exchange pipe external surface scribbles heat absorbing coating; Described vacuum glass heat collection tube is provided with heat absorbing coating district and transparent area;
Described heat exchanger tube outer wall is provided with some fins;
The tube wall of described heat exchanger tube is pressed with several pits;
Described tube connector outer wall is enclosed with heat-insulation layer;
Described each vacuum glass heat collection tube is stamped movable sunshade;
Described each vacuum glass heat collection tube is covered with protection network, and periphery and the support of protection network are connected;
The spool of sunshade one end and screen-roller is connected, and screen-roller is fixed on support.
The utility model has the advantages that: be a straight-through pipeline by the series connection of each thermal-collecting tube head and the tail, the heat exchanger tube of larger caliber can be adopted, add endotherm area, improve heat exchange efficiency, also reduce the circulating resistance of heat exchange medium simultaneously, not easily block; The heat exchanger tube scribbling heat absorbing coating can be allowed directly to absorb the radiant heat energy of sunshine by the transparent area on vacuum glass heat collection tube, further increase heat exchange efficiency; Fin on heat exchanger tube can increase endotherm area, the pit of tube wall or convex closure can increase the turbulent flow that endotherm area also can cause intraductal heat exchange medium, object is the heat exchange medium in disturbance heat exchanger tube, makes heat exchange medium in heavy caliber heat exchanger tube can the heat energy of absorption heat-exchange tube wall equably; Heat-insulation layer can be incubated the heat exchange medium connecting Bottomhole pressure, and heat loss is few; Owing to adding the endotherm area of heat exchanger tube, and the radiation of sunshine is directly absorbed by heat exchanger tube, so, easily cause heat exchange medium to seethe with excitement when sunshine irradiated strong, suitably cruelly leaked the heating surface area of each vacuum glass heat collection tube by sunshade, the harmful phenomenon that heat exchange medium seethes with excitement can be avoided; Screen-roller can easily folding and unfolding sunshade, makes heat collector good looking appearance; Heat exchanger tube bore has certain intensity after increasing, directly can support vacuum glass heat collection tube, save the supporter of vacuum glass heat collection tube in conventional art, make the unsettled layout of vacuum glass heat collection tube, effectively avoid because deformation of timbering or supporter distortion cause vacuum glass heat collection tube because of the overweight and cracked defect of local pressure, meanwhile, the protection network of each vacuum glass heat collection tube upper cover dress can protect unsettled vacuum glass heat collection tube not by the impact of the alien material such as falling object from high altitude, hail, ensures its security used; The advantage that straight-through vacuum tube solar thermal collector of the present utility model also has is: it is a straight-through pipeline that the heat exchanger tube due to heat collector is connected mutually, can be separated with heat-exchanging water tank, can save installing space.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model straight-through vacuum tube solar thermal collector;
Fig. 2 is the part section enlarged diagram along A-A in Fig. 1;
Fig. 3 is the using state figure of the utility model straight-through vacuum tube solar thermal collector;
Fig. 4 is each thermal-collecting tube is the schematic diagram that isosceles triangle arranges.
1 heat exchange medium inflow pipe in figure, 2 heat-insulation layers, 3 rings block up, 4 vacuum glass heat collection tubes, 5 heat absorbing coatings, 6 pits, 7 fins, 8 heat exchanger tubes, 9 supports, 10 Spring Cards, 11 slide rails, 12 tube connectors, 13 protection networks, 14 heat exchange medium effusers, 15 screen-rollers, 16 sunshades, 17 litter, 18 installing racks, the spool of 19 screen-rollers, 20 outer glass tube, 21 vacuum layer, 22 glass inner tube, 23 work-pump station, 24 heat-exchanging water tanks, 25 heat exchange coated areas, 26 transparent areas.
Detailed description of the invention
Straight-through vacuum tube solar thermal collector, comprise support 9, support is arranged with the heat exchanger tube 8 being at least two, entering of adjacent heat exchange tubes, outlet is communicated with by tube connector, namely the outlet of every root heat exchanger tube is all by the inlet communication of tube connector 12 with adjacent heat exchange tubes, tube connector can adopt screwed connection with the connected mode of heat exchanger tube or the conventional conduit connected mode such as weld, wherein preferably screwed connection, facilitate the maintenance maintenance of heat collector, two adjacent in the present embodiment heat exchanger tubes are placed upside down mutually, the import of two heat exchanger tubes and outlet are closed on, entering of adjacent two heat exchanger tubes, outlet is communicated with by tube connector, material can be saved, reduce costs, on the pipe shaft of each heat exchanger tube, cover has vacuum glass heat collection tube 4 respectively, heat exchanger tube and vacuum glass heat collection tube form thermal-collecting tube, vacuum glass heat collection tube is connected by Spring Card 10 and heat exchanger tube, Spring Card is also vacuum tube fixed mount, it is special purpose parts vacuum glass heat collection tube is fixed on thermal-collecting tube, one elastic force end of Spring Card and the outer armlet of heat exchanger tube connect, another elastic force end of Spring Card and the internal wall of pipe orifice of vacuum glass heat collection tube are fitted, namely each heat exchanger tube supports the vacuum glass heat collection tube corresponding with it by Spring Card, ring stifled 3 for sealing is housed between each vacuum glass heat collection tube and heat exchanger tube, this ring blocks up the quality of rubber materials adopting high temperature resistance ageing-resistant, the outer ring surface that ring blocks up is connected with corresponding ferrule, the inner ring surface that ring blocks up seals with the pipe shaft of corresponding heat exchanger tube and is connected, described tube connector is connected by installing rack 18 and support.
Cover forms thermal-collecting tube array by each heat exchanger tube of vacuum glass heat collection tube, in thermal-collecting tube array, the import of first heat exchanger tube connects with the outlet of heat exchange medium inflow pipe 1, in thermal-collecting tube array, the outlet of last root heat exchanger tube connects with heat exchange medium effuser 14 entrance, outlet and the heat exchange medium of heat exchange medium effuser flow into tube inlet and are communicated with the import and export of the coil pipe in heat-exchanging water tank 24 respectively, and described heat exchange medium inflow pipe or heat exchange medium effuser are equipped with the work-pump station 23 driving the flowing of heat exchange medium.Owing to being connected by each heat exchanger tube, improve space availability ratio; Heat collector in background technology puts the area that ten thermal-collecting tubes use, and the utility model can put 15 thermal-collecting tubes by product word arrangement, and namely each thermal-collecting tube is isosceles triangle arrangement, has saved floor space.
Described heat exchange pipe external surface scribbles heat absorbing coating, described vacuum glass heat collection tube is provided with heat absorbing coating district 25 and transparent area 26, glass tube with vacuum is made up of the glass inner tube 22 be socketed and outer glass tube 20, outer glass tube is full impregnated exposed conduit, glass inner tube faces south, and the tube wall in front is transparent, remaining tube wall scribbles heat absorbing coating 5, glass inner tube is placed in outer glass tube, the mouth of pipe at glass inner tube two ends turns up and the ferrule welding at corresponding outer glass tube two ends respectively, pump vacuum layer 21 between glass inner tube and outer glass tube, described heat exchange pipe external surface scribbles heat absorbing coating, in the present embodiment, heat absorbing coating is scribbled in the heat absorbing coating district of vacuum glass heat collection tube, heat absorbing coating only covers 3/5 tube wall area, i.e. semi-surrounding, ensure that vacuum glass heat collection tube absorbs solar radiation heat for heat exchanger tube and provides enough environment temperatures, and front is the transparent area not being coated with anything to 2/5 tube wall area of sunlight, transparent state, it is made to have good light transmission, ensure that heat exchanger tube can by solar radiation, the heat exchanger tube of the present embodiment, red copper material selected by fin 7, full coat solar radiation heat absorbing coating on heat exchanger tube and fin thereof, directly can absorb heat, without air secondary heat conduction, improve collecting efficiency.
Described heat exchanger tube outer wall is provided with some fins, and each fin is connected by welding procedure and heat exchanger tube, the tube wall of described heat exchanger tube suppresses several pits 6 by roller flower process, and namely outer wall being pit, inwall is convex closure, can play the effect increasing endotherm area and disturbance heat exchange intraductal heat exchange medium and carry out mixing, described tube connector outer wall is enclosed with heat-insulation layer 2, and heat-insulation layer is applied conventional pipeline heat insulation material and constructed, described each vacuum glass heat collection tube is stamped movable sunshade 16, sunshade is commercially available prod, be divided into manually and electronic two kinds from drive form, be divided into collapsible from expansion mode, flip-shell, telescopic etc., this enforcement adopts roller shutter type, specifically the spool 19 of sunshade one end and screen-roller 15 is connected, screen-roller is fixed on support, in the both sides of support, slide rail 11 is housed, litter 17 is fixed with at the other end of sunshade, the two ends of litter are slidably connected with two slide rails respectively, litter keeps certain frictional force by being enclosed between rubber ring on slide rail and slide rail, by the frictional force location between litter and slide rail, easy to use, reliably, described each vacuum glass heat collection tube is covered with protection network 13, and periphery and the support of protection network are connected, and protection network adopts wire netting, and the size of mesh is a centimeter square.
Claims (8)
1. straight-through vacuum tube solar thermal collector, comprise support, it is characterized in that: support is arranged with the heat exchanger tube being at least two, the import and export of adjacent heat exchange tubes is communicated with by tube connector, on the pipe shaft of each heat exchanger tube, cover has vacuum glass heat collection tube respectively, vacuum glass heat collection tube is connected by Spring Card and heat exchanger tube, and between each vacuum glass heat collection tube and heat exchanger tube, the ring be equipped with for sealing blocks up, and described tube connector is connected by installing rack and support.
2. straight-through vacuum tube solar thermal collector according to claim 1, is characterized in that: described heat exchange pipe external surface scribbles heat absorbing coating; Described vacuum glass heat collection tube is provided with heat absorbing coating district and transparent area.
3. straight-through vacuum tube solar thermal collector according to claim 1 and 2, is characterized in that: described heat exchanger tube outer wall is provided with some fins.
4. straight-through vacuum tube solar thermal collector according to claim 1 and 2, is characterized in that: the tube wall of described heat exchanger tube is pressed with several pits.
5. straight-through vacuum tube solar thermal collector according to claim 1 and 2, is characterized in that: described tube connector outer wall is enclosed with heat-insulation layer.
6. straight-through vacuum tube solar thermal collector according to claim 1 and 2, is characterized in that: described each vacuum glass heat collection tube is stamped movable sunshade.
7. straight-through vacuum tube solar thermal collector according to claim 1 and 2, is characterized in that: described each vacuum glass heat collection tube is covered with protection network, and periphery and the support of protection network are connected.
8. straight-through vacuum tube solar thermal collector according to claim 6, is characterized in that: the spool of sunshade one end and screen-roller is connected, and screen-roller is fixed on support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520248489.4U CN204574556U (en) | 2015-04-23 | 2015-04-23 | Straight-through vacuum tube solar thermal collector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520248489.4U CN204574556U (en) | 2015-04-23 | 2015-04-23 | Straight-through vacuum tube solar thermal collector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204574556U true CN204574556U (en) | 2015-08-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520248489.4U Expired - Fee Related CN204574556U (en) | 2015-04-23 | 2015-04-23 | Straight-through vacuum tube solar thermal collector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204574556U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104776616A (en) * | 2015-04-23 | 2015-07-15 | 白峻光 | Straight-through vacuum tube solar heat collector |
| WO2019142200A3 (en) * | 2018-01-21 | 2019-10-03 | Lawrence Cohen | System for water heating and electricity generation |
-
2015
- 2015-04-23 CN CN201520248489.4U patent/CN204574556U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104776616A (en) * | 2015-04-23 | 2015-07-15 | 白峻光 | Straight-through vacuum tube solar heat collector |
| WO2019142200A3 (en) * | 2018-01-21 | 2019-10-03 | Lawrence Cohen | System for water heating and electricity generation |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150819 Termination date: 20180423 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |