CN211782028U

CN211782028U - Novel vacuum heat collecting pipe

Info

Publication number: CN211782028U
Application number: CN201922387042.6U
Authority: CN
Inventors: 高国栋; 徐俊峰; 李德宝; 孙迎宾
Original assignee: Inner Mongolia Jingxin Technology Co ltd
Current assignee: Inner Mongolia Jingxin Technology Co ltd
Priority date: 2019-12-26
Filing date: 2019-12-26
Publication date: 2020-10-27
Anticipated expiration: 2029-12-26

Abstract

The utility model belongs to the technical field of solar energy, especially, novel evacuated collector tube, including outer tube, inner tube, heat absorption mechanism, rubber pad, spring bracket, getter, heat preservation, sealing plug, heat pipe, metal absorber plate and condensation head, the surface on inner tube top and the inner wall sealing connection on the top of outer tube, the one end that the heat absorption mechanism is close to each other and the both sides face fixed connection of inner tube, the surface suit of rubber pad is in the bottom of outer tube inner wall, spring bracket's bottom surface bonds with the inner wall of rubber pad. This novel evacuated collector tube, through evacuated collector tube's improvement, at first heat absorption mechanism can use with the cooperation of metal absorber plate, can accelerate the thermal absorption to the sunlight, just so improved evacuated collector tube's work efficiency, then can also carry out abundant heat preservation to absorptive heat energy to can not lead to the too much loss of heat, thereby further improved whole evacuated collector tube's practicality.

Description

Novel vacuum heat collecting pipe

Technical Field

The utility model relates to a solar energy technical field especially relates to a novel evacuated collector tube.

Background

At present, the structure of the existing solar vacuum heat collecting tube is too simple, so that the functionality is lower, and particularly, the heat insulation structure and the heat absorption structure of the existing solar vacuum heat collecting tube are too simple, so that the heat absorption efficiency and the heat insulation effect of the vacuum heat collecting tube are reduced to a great extent, and the practicability of the whole vacuum heat collecting tube is further reduced.

SUMMERY OF THE UTILITY MODEL

Based on current evacuated collector tube insulation construction and heat absorption structure too simple, heat absorption inefficiency, the poor technical problem of heat preservation effect, the utility model provides a novel evacuated collector tube.

The utility model provides a novel vacuum heat collecting tube, which comprises an outer tube, an inner tube, a heat absorbing mechanism, a rubber pad, a spring support, a getter, a heat preservation layer, a sealing plug, a heat conducting tube, a metal heat absorbing plate and a condensation head, wherein the outer surface of the top end of the inner tube is hermetically connected with the inner wall of the top end of the outer tube, one end of the heat absorbing mechanism, which is close to each other, is fixedly connected with the two side surfaces of the inner tube, the outer surface of the rubber pad is sleeved at the bottom of the inner wall of the outer tube, the bottom surface of the spring support is bonded with the inner wall of the rubber pad, the bottom of the getter is fixedly connected with the sealing plug at the center of the top surface of the spring support, the outer surface of the heat preservation layer is sleeved at the inner wall of the inner tube, the bottom end of the heat conducting tube is spliced, the bottom end of the condensing head is sleeved on the outer surface of the top end of the heat conduction pipe.

Preferably, the heat absorption mechanism comprises a PVC heat absorption cover, calcite particles and heat absorption spots, one end, close to each other, of the PVC heat absorption cover is fixedly connected with two side faces of the inner tube, the calcite particles are placed inside the PVC heat absorption cover, and the heat absorption spots are coated on the surfaces of the calcite particles.

Preferably, the heat preservation includes polyethylene board, ETFE board, extrusion molding polystyrene foam plastic board, polyurethane insulation board and heat preservation coating, the surface of polyethylene board bonds with the inner wall of inner tube, the inner wall of the surface polyethylene board of ETFE board bonds, the surface of extrusion molding polystyrene foam plastic board bonds with the inner wall of ETFE board, the surface and the extrusion molding polystyrene foam plastic board inner wall of polyurethane insulation board bond, the surface of heat preservation coating bonds with polyurethane insulation board's inner wall.

Preferably, the PVC heat absorption cover is in a semi-spherical shape, and has a good heat transfer effect, so that the heat absorption rate of the vacuum heat collection pipe is increased.

Preferably, the shape of heat absorption spot is spherical granule, and the heat absorption spot specifically is a black nickel coating, and the heat absorption spot can play fine heat preservation effect, and the heat absorption spot just can reduce the rate of the external heat dissipation volume of giving out heat behind the calcite granule heat absorption like this, promotes the inside of calcite granule convenience heat transfer to the inner tube.

Preferably, the rubber pad is transparent, and the rubber pad can play the effect of buffering to spring bracket, and then makes spring bracket can be better the buffering inside and outside pipe expend with heat and contract with cold and arouse the stress.

Preferably, the heat conduction pipe is made of copper and has a good heat conduction effect.

Preferably, the thickness of the polyethylene plate, the thickness of the ETFE plate, the thickness of the extruded polystyrene foam plastic plate, the thickness of the polyurethane heat-insulation plate and the thickness of the heat-insulation coating are all 0.05 mm.

The utility model provides a beneficial effect does:

1. through the heat absorption mechanism that sets up, PVC heat absorption cover in the heat absorption mechanism has fine heat transfer effect, and the calcite granule possesses the efficient heat absorption function, and the heat of PVC heat absorption cover transmission can be absorbed by the calcite granule fast like this, then the calcite granule transmits the inner chamber of inner tube to absorbent heat again, has just so increased the heat absorption rate of vacuum heat absorption pipe itself, and then has improved evacuated collector tube heating efficiency to water.

2. Through the improvement of evacuated collector tube, at first heat absorption mechanism can use with the cooperation of metal absorber plate, can accelerate the absorption to the sunlight heat, just so improved evacuated collector tube's work efficiency, then can also carry out abundant heat preservation to absorbent heat energy to can not lead to the too much loss of heat, thereby further improve whole evacuated collector tube's practicality.

Drawings

Fig. 1 is a schematic view of a novel evacuated collector tube provided by the present invention;

fig. 2 is a front view of a novel evacuated collector tube provided by the present invention;

fig. 3 is a right side view of a novel evacuated collector tube provided by the present invention;

fig. 4 is an enlarged view of a structure a in fig. 2 of the novel evacuated collector tube provided by the present invention;

fig. 5 is an enlarged view of a structure B in fig. 2 of the novel evacuated collector tube according to the present invention;

fig. 6 is a schematic view of a connection structure between an inner tube and a thermal insulation layer of a novel evacuated collector tube.

In the figure: 1. an outer tube; 2. an inner tube; 3. a heat absorbing mechanism; 301. a PVC heat absorption cover; 302. calcite particles; 303. heat absorption spots; 4. a rubber pad; 5. a spring support; 6. a getter; 7. a heat-insulating layer; 701. a polyethylene sheet; 702. an ETFE plate; 703. extruding a polystyrene foam board; 704. a polyurethane insulation board; 705. heat-insulating paint; 8. a sealing plug; 9. a heat conducting pipe; 10. a metal heat absorbing plate; 11. a condenser head.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-6, a novel evacuated collector tube comprises an outer tube 1, an inner tube 2, a heat absorbing mechanism 3, a rubber gasket 4, a spring support 5, a getter 6, a heat insulating layer 7, a sealing plug 8, a heat conducting tube 9, a metal heat absorbing plate 10 and a condensation head 11, wherein the outer surface of the top end of the inner tube 2 is hermetically connected with the inner wall of the top end of the outer tube 1, one end of the heat absorbing mechanism 3, which is close to each other, is fixedly connected with the two side surfaces of the inner tube 2, the outer surface of the rubber gasket 4 is sleeved at the bottom of the inner wall of the outer tube 1, the rubber gasket 4 is transparent, the bottom surface of the spring support 5 is bonded with the inner wall of the rubber gasket 4, the bottom of the getter 6 is fixedly connected with the center of the top surface of the spring support 5, and can absorb gas generated during vacuum operation after the getter 6 is evaporated, the bottom of the sealing plug 8 is inserted into the inner cavity at the top end of the inner tube 2, the bottom end of the heat conducting tube 9 penetrates through the bottom surface of the sealing plug 8 and extends into the inner tube 2, the heat conducting tube 9 is made of copper, the center of the metal heat absorbing plate 10 is sleeved on the outer surface of the bottom end of the heat conducting tube 9, and the bottom end of the condensing head 11 is sleeved on the outer surface of the top end of the heat conducting tube 9.

The heat absorption mechanism 3 comprises a PVC heat absorption cover 301, calcite particles 302 and heat absorption spots 303, one end, close to each other, of the PVC heat absorption cover 301 is fixedly connected with two side faces of the inner pipe 2, the PVC heat absorption cover 301 is in a semi-spherical shape, the calcite particles 302 are placed inside the PVC heat absorption cover 301, the heat absorption spots 303 are coated on the surface of the calcite particles 302, the heat absorption spots 303 are in spherical particles, the heat absorption spots 303 are specifically black nickel paint, the heat absorption spots 303 can play a good heat insulation effect, so that the heat absorption spots 303 can reduce the rate of heat dissipation of the calcite particles 302 after absorbing heat and can conveniently transmit the heat to the inside of the inner pipe 2, the PVC heat absorption cover 301 in the heat absorption mechanism 3 has a good heat transfer effect, and the calcite particles 302 have a high-efficiency heat absorption function, therefore, heat transmitted by the PVC heat absorption cover 301 can be quickly absorbed by the calcite particles 302, and then the calcite particles 302 transmit the absorbed heat to the inner cavity of the inner tube 2, so that the heat absorption rate of the vacuum heat absorption tube is increased, and the heating efficiency of the vacuum heat collection tube on water is improved.

The heat preservation layer 7 comprises a polyethylene plate 701, an ETFE plate 702, an extruded polystyrene foam plastic plate 703, a polyurethane heat preservation plate 704 and heat preservation paint 705, the outer surface of the polyethylene plate 701 is bonded with the inner wall of the inner pipe 2, the inner wall of the outer surface of the ETFE plate 702 is bonded with the inner wall of the polyethylene plate 701, the outer surface of the extruded polystyrene foam plastic plate 703 is bonded with the inner wall of the ETFE plate 702, the outer surface of the polyurethane heat preservation plate 704 is bonded with the inner wall of the extruded polystyrene foam plastic plate 703, the outer surface of the heat preservation paint 705 is bonded with the inner wall of the polyurethane heat preservation plate 704, and the thicknesses of the polyethylene plate 701, the ETFE plate 702, the extruded polystyrene foam plastic plate 703, the polyurethane heat preservation plate 704 and the heat preservation paint 705 are.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a novel evacuated collector tube, includes outer tube (1), inner tube (2), heat absorption mechanism (3), rubber pad (4), spring bracket (5), getter (6), heat preservation (7), sealing plug (8), heat pipe (9), metal absorber plate (10) and condensation head (11), its characterized in that: the outer surface of the top end of the inner tube (2) is hermetically connected with the inner wall of the top end of the outer tube (1), one end of the heat absorbing mechanism (3) close to each other is fixedly connected with two side surfaces of the inner tube (2), the outer surface of the rubber pad (4) is sleeved at the bottom of the inner wall of the outer tube (1), the bottom surface of the spring support (5) is bonded with the inner wall of the rubber pad (4), the bottom of the getter (6) is fixedly connected with the center of the top surface of the spring support (5), the outer surface of the heat-insulating layer (7) is sleeved on the inner wall of the inner pipe (2), the bottom end of the sealing plug (8) is inserted into the inner cavity at the top end of the inner pipe (2), the bottom end of the heat conducting pipe (9) penetrates through the bottom surface of the sealing plug (8) and extends into the inner pipe (2), the center of the metal heat absorbing plate (10) is sleeved on the outer surface of the bottom end of the heat conducting pipe (9), the bottom end of the condensation head (11) is sleeved on the outer surface of the top end of the heat conduction pipe (9).

2. The novel evacuated collector tube of claim 1, wherein: the heat absorption mechanism (3) comprises a PVC heat absorption cover (301), calcite particles (302) and heat absorption spots (303), one end, close to each other, of the PVC heat absorption cover (301) is fixedly connected with two side faces of the inner pipe (2), the calcite particles (302) are placed inside the PVC heat absorption cover (301), and the heat absorption spots (303) are coated on the surface of the calcite particles (302).

3. The novel evacuated collector tube of claim 1, wherein: the heat preservation layer (7) comprises a polyethylene plate (701), an ETFE plate (702), an extruded polystyrene foam plastic plate (703), a polyurethane heat preservation plate (704) and heat preservation paint (705), the outer surface of the polyethylene plate (701) is bonded with the inner wall of the inner pipe (2), the inner wall of the outer surface of the ETFE plate (702) is bonded with the inner wall of the ETFE plate (702), the outer surface of the extruded polystyrene foam plastic plate (703) is bonded with the inner wall of the ETFE plate (702), the outer surface of the polyurethane heat preservation plate (704) is bonded with the inner wall of the extruded polystyrene foam plastic plate (703), and the outer surface of the heat preservation paint (705) is bonded with the inner wall of the polyurethane heat preservation plate (704).

4. The novel evacuated collector tube of claim 2, wherein: the PVC heat absorption cover (301) is shaped like a semi-sphere.

5. The novel evacuated collector tube of claim 2, wherein: the shape of the heat absorption spots (303) is spherical particles, and the heat absorption spots (303) are specifically a black nickel coating.

6. The novel evacuated collector tube of claim 1, wherein: the rubber pad (4) is transparent.

7. The novel evacuated collector tube of claim 1, wherein: the heat conduction pipe (9) is made of copper.

8. The novel evacuated collector tube of claim 3, wherein: the thickness of the polyethylene plate (701), the thickness of the ETFE plate (702), the thickness of the extruded polystyrene foam plastic plate (703), the thickness of the polyurethane heat-insulation plate (704) and the thickness of the heat-insulation coating (705) are all 0.05 mm.