CN201373601Y

CN201373601Y - Solar heat-collecting element using metal for transferring heat between cover glass and heat pipe

Info

Publication number: CN201373601Y
Application number: CN200820154923U
Authority: CN
Inventors: 施国梁
Original assignee: 林根弟
Priority date: 2008-11-05
Filing date: 2008-11-05
Publication date: 2009-12-30
Anticipated expiration: 2018-11-05

Abstract

The utility model relates to a solar heat-collecting element using metal for transferring heat between cover glass and a heat pipe, which comprises cover glass and a heat pipe, wherein the sunlight is reflected to be gathered or directly project on the finned plate of the heat pipe and is converted into heat energy which is output by the heat-transferring surface of the cover glass. The solar heat-collecting element is characterized in that a radial elastic metal heat-transferring piece is arranged between the heat-transferring surface of the cover glass and the cold end of the build-in metal heat pipe, and the envelope of the radial elastic metal heat-transferring piece is matched with the heat-transferring surface of the cover glass; the radial elastic metal heat-transferring piece is provided with a plurality of bent heat-transferring plates or heat-transferring rods which are radially arranged, and an elastic metal heat-transferring liner is arranged between the heat-transferring surface of the cover glass and the heat-transferring piece; and the outer surface of the elastic metal heat-transferring liner is matched with the heat-transferring surface, and a waist contraction section is made to restrict the heat-transferring liner. The utility model has high heat-collecting efficiency and strong antifreeze and anti-stagnation capacities, and the radial elastic metal heat-transferring piece allows the heat-collecting element to be insensitive to the expansion caused by heat and contraction caused by cold due to temperature; the heat-transferring liner is adopted to further reduce the thermal resistance, and the cost is also lower; and the waist contraction section of the cover glass pipe and the stop clamping spring of the heat-transferring liner ensure the reliable heat collection and heat transfer. Two embodiments are given in figures.

Description

Use the solar heat-collection elements of metal heat transfer between cover glass and heat pipe

Affiliated technical field

The utility model relates to the solar heat-collection elements of using metal heat transfer between cover glass and heat pipe.

Background technology

Existing a kind of solar heat-collection elements that utilizes cover glass-tube output heat energy, cause the cover glass-tube to break or the disconnection of heat transfer chain for avoiding metalwork to expand with heat and contract with cold, adopt the graininess carbon element to conduct heat between cover glass-tube and heat pipe, because these graininess carbon element thermal resistances are big, its practicality is relatively poor.

Summary of the invention

The purpose of this utility model is that the solar heat-collection elements of using metal heat transfer between cover glass and heat pipe will be provided.

The purpose of this utility model realizes like this: coincide, have a plurality of radial radiation layout and the heat transfer plate of bending or radial elastic metal heat transfer spares of heat conductive bar of being with its envelope and cover glass heat-transfer area, low thermal resistance connects the heat-transfer area of cover glass and the cold junction of built-in metal heat pipe, forms the solar heat-collection elements of using metal heat transfer between cover glass and heat pipe.The heat collecting element that has tubulose or spherical shapes and absorber can be respectively applied for one dimension or bidimensional light and heat collection.Sunshine is through external or be built in the cover one dimension of glass or the two dimensional reflection light collecting device comprises that being coated with the reflection layer reflection of covering on the glass inwall built in part is gathered on the heat pipe, and perhaps direct irradiation becomes heat energy on heat pipe wing plate; Heat pipe is exported from its cold junction the heat energy of collecting by the heat-transfer area of cover glass.

Further, the elastic metallic heat transfer bushing pipe that between cover glass heat-transfer area and radial elastic metal heat transfer spare, adopts its outer surface and cover glass heat-transfer area to coincide.Also make a waist contraction section in cover glass heat-transfer area edge, constraint heat transfer bushing pipe does not skid off out-of-bounds it.A radial elastic metal heat transfer spare retaining jump ring also can be set on the heat transfer bushing pipe, prevent that the elastic metallic heat transfer piece from running off out-of-bounds.

The beneficial effects of the utility model comprise: adopt metal heat pipe and radial elastic metal heat transfer spare heat transfer efficiency height, freeze proof anti-empty solarization ability strong; Radial elastic metal heat transfer spare makes each parts of heat collecting element insensitive to expanding with heat and contract with cold of causing of temperature; Employing elastic metallic heat transfer bushing pipe has further reduced the thermal resistance between cover glass heat-transfer area and heat pipe cold junction; Cost is also lower; The waist contraction section of cover glass-tube and the retaining jump ring of heat transfer bushing pipe have guaranteed reliable heat collection.

Description of drawings

Further describe below in conjunction with accompanying drawing.

Fig. 1 is with the structural representation of the solar energy tubulose heat collecting element embodiment of metal heat transfer between the cover glass of an isometrical heat exchange of the utility model and heat pipe.

Fig. 2 is that the A-A of Fig. 1 shows to cuing open.

Fig. 3 is with the structural representation of the solar energy tubulose heat collecting element embodiment of metal heat transfer between the cover glass of a undergauge heat exchange of the utility model and heat pipe.

1. wing plates among the figure; 2. heat pipe; 3. cold junction; 4. cover glass-tube; 5. heat-transfer area; 6. radial elastic metal heat transfer spare; 7. heat transfer bushing pipe; 8. heat transfer plate; 9. heat-transfer area edge; 10. waist contraction section; 11. retaining jump ring; 12. heat pipe bottom; 13. tail holder; 14. optically focused reflector.

The specific embodiment

Among Fig. 1 and Fig. 2 embodiment, heat pipe 2 cold junctions 3 of band wing plate 1 and one through waist connect, sealing two ends and cover glass-tube 4 heat-transfer areas 5 that vacuumize, is connected with elastic metallic heat transfer bushing pipe 7 low thermal resistances that cover glass-tube 4 heat-transfer areas 5 coincide by a tubular radial elastic metal heat transfer spare 6, its outer surface, forms the solar heat-collection elements of usefulness metal heat transfer between a supporting housing glass-tube 4 and heat pipe 2 cold junctions 3.

Radial elastic metal heat transfer spare 6 has a plurality of radial radiation layout and crooked heat transfer plates 8 of being.The envelope of these heat transfer plates is column and matches with cover glass-tube 4 inner surfaces.The deformation of expanding with heat and contract with cold of cold junction 3, resilient radial metal heat transfer spare 6 and cover glass-tube 4 is all absorbed by the crooked heat transfer plate 8 that these have favorable elasticity: neither burst cover glass-tube 4, the heat transfer chain is disconnected, the assurance heat collecting element is worked reliably and with long-term.

Cover glass-tube 4 is manufactured with a waist contraction section 10 at 9 places, edge of heat-transfer area 5, makes heat transfer bushing pipe 7 be locked in cover glass-tube 4 and can not skid off out-of-bounds to the zone the waist contraction section 10 from heat-transfer area 5 tops.

Have a vertical masonry joint with its axis parallel on the heat transfer bushing pipe 7, and punching out there are radial elastic metal heat transfer spares 6 retaining jump rings 11 that upwarp 30 degree to be called for short retaining jump rings 11.Earlier heat transfer piece 6 volumes are placed for a short time waist contraction section 10 the insides of cover glass-tube 4 during installation, retaining jump ring 11 is close to heat-transfer area 5 under self elastic force effect; Insert radial elastic metal heat transfer spare 6 again.When heat transfer piece 6 process retaining jump rings 11, retaining jump ring 11 is depressed; Heat transfer piece 6 fully by the time then retaining jump ring 11 upspring and recover 30 degree and upwarp state, heat transfer piece 6 is blocked at retaining jump ring 11 outposts of the tax office that upwarp makes it within out-of-bounds.

There is heat pipe tail holder 13 at 12 places, heat pipe bottom.

Sunshine sees through cover glass-tube 4 and is radiated at and becomes heat energy on the wing plate 1 and come together in heat pipe 2, heat pipe 2 with the heat energy collected from of heat-transfer area 5 outputs of its cold junction 3 by radial elastic metal heat transfer spare 6, heat transfer bushing pipe 7 and cover glass-tube 4.

Fig. 1 and Fig. 2 embodiment can also adopt the one dimension beam condensing unit to carry out high-temperature heat-gathering.

Among Fig. 3 embodiment, built-in metal heat pipe 2 cold junctions 3 and one connect, are connected with elastic metallic heat transfer bushing pipe 7 low thermal resistances that cover glass-tube 4 heat-transfer areas 5 coincide by a jacket type radial elastic metal heat transfer spare 6, its profile between the indent chuck heat-transfer area 5 on sealing two ends and cover glass-tube 4 tops that vacuumize through waist, form the solar heat-collection elements of using the heat transfer of radial elastic metallic object between a supporting housing glass-tube 4 and heat pipe 2 cold junctions 3.

In cover glass-tube 4, be provided with a built-in one dimension optically focused reflector 14.A heat pipe tail holder 13 of supporting with the cover glassy phase is arranged at 12 places, heat pipe bottom, by offseting with cover glass-tube 4, heat pipe 2 and coupled jacket type radial elastic metal heat transfer spare 6 can be connected with indent chuck heat-transfer area 5 low thermal resistances and not skid off out-of-bounds all the time with elastic metallic heat transfer bushing pipe 7.

Sunshine sees through the surface that cover glass-tube 4 is radiated at reflection on the optically focused reflector 14 and comes together in heat pipe 2 and is converted into heat energy, heat pipe 2 with the heat energy collected from of heat-transfer area 5 outputs of its cold junction 3 by radial elastic metal heat transfer spare 6, heat transfer bushing pipe 7 and cover glass-tube 4.

Except the indent chuck heat-transfer area 5 shown in Fig. 3 embodiment, cover glass-tube top or cover glass also can adopt the heat-transfer area of simple indent.Adopt the heat-transfer area of indent heat-transfer area can be contracted in the zonule on heat collecting element top, help to reduce heat waste.The heat-transfer area of indent can also carry out thermal-arrest by the interior embedded heat exchanger of supporting embedding indent heat-transfer area, helps to reduce moisture storage capacity, the quickening thermal-arrest process of split type heat collector.

In addition, also can utilize the tubulose heat-transfer area of reduced shown in Fig. 3 embodiment to conduct heat.Adopt the comb density and the aperture that reduces interface of tubulose heat-transfer area heat transfer can the increasing heat collector of reduced.

Claims

1. use the solar heat-collection elements of metal heat transfer between cover glass and heat pipe, be made up of cover glass and built-in metal heat pipe, have tubulose or spherical shapes and absorber, heat collecting element can be respectively applied for one dimension or bidimensional light and heat collection; Sunshine is gathered on the heat pipe through one dimension or the reflection of bidimensional reflection layer, and perhaps direct irradiation becomes heat energy on heat pipe wing plate; Heat pipe from the heat-transfer area output of its cold junction by cover glass, is characterized in that the heat energy collected to cover and contains its envelope and cover glass heat-transfer area between glass heat-transfer area and the built-in metal heat pipe cold junction and coincide, have and a plurality ofly be that radial radiation is arranged and the heat transfer plate of bending or the radial elastic metal heat transfer spares of heat conductive bar.

2. heat collecting element according to claim 1 is characterized in that covering and contains its outer surface and the identical elastic metallic heat transfer bushing pipe of cover glass heat-transfer area between glass heat-transfer area and the elastic metallic heat transfer piece.

3. heat collecting element according to claim 1 and 2 is characterized in that covering glass-tube and contains a waist contraction section in heat-transfer area edge.

4. heat collecting element according to claim 1 and 2 is characterized in that elastic metallic heat transfer bushing pipe contains the retaining jump ring of an outpost of the tax office radial elastic metal heat transfer spare.

5. heat collecting element according to claim 1 and 2, it is characterized in that containing one external or be built in the one dimension or the two dimensional reflection light collecting device of cover glass; Perhaps partly covering the glass inwall contains optical reflection film.

6. heat collecting element according to claim 1 and 2 is characterized in that covering the tubulose heat-transfer area that glass-tube contains one section reduced.

7. heat collecting element according to claim 1 and 2 is characterized in that covering the chuck heat-transfer area that the glass-tube top is contained the heat-transfer area of an indent or contained an indent.

8. heat collecting element according to claim 1 and 2 is characterized in that containing a heat pipe tail holder of supporting with the cover glassy phase.