CN201852316U

CN201852316U - Solar collectors

Info

Publication number: CN201852316U
Application number: CN2010205529841U
Authority: CN
Inventors: 苏增寿
Original assignee: WUHU BEST NEW ENERGY DEVELOPMENT Co Ltd
Current assignee: WUHU BEST NEW ENERGY DEVELOPMENT Co Ltd
Priority date: 2010-09-29
Filing date: 2010-09-29
Publication date: 2011-06-01
Anticipated expiration: 2020-09-29

Abstract

The utility model discloses a solar thermal collector, which comprises a frame, a collector shell and an inner runner which is arranged in the collector shell and is positioned at the middle part of the space of the frame, wherein a plurality of vacuum tubes are distributed at the two sides of the inner runner, the inner runner comprises an inner runner tube body, and a liquid inlet pipe of the inner runner and a liquid outlet pipe of the inner runner, the liquid inlet pipe and the liquid outlet pipe of the inner runner are communicated with the cavity of the inner runner tube body, a thermotube is arranged in each vacuum tube, the inner runner tube body consists of an oval basal body and screw thread branch pipes which are distributed at the two sides along the length direction of the oval basal body at interval, the center line of each screw thread branch pipe is along the X-axis of the cross section of the oval basal body, and the thermotube in each vacuum tube is threaded with each screw thread branch pipe. The solar thermal collector adopts the structure, the bearing capacity is good, the heat conduction efficiency is improved, the installation and dismantling are also facilitated, the maintenance cost is reduced, the operation is safe, and the service life is prolonged.

Description

Solar thermal collector

Technical field

The utility model relates to a kind of solar thermal collector.

Background technology

In recent years, along with national modern architecture to the middle-high building development trend, combine with the architecture-integral direction of solar thermal utilization industry development of solar energy.Now, the most of middle-high building dwelling house in town and country is designed to sloping end face building structure.The installation of the inapplicable middle-high building of regular solar water heater.Split balcony wall-hanging solar heat collector has been regarded as the middle-high building generally acknowledged first-selection that combines.No matter high-rise still tier building can both be installed, and it can be realized and the architecture-integral perfect adaptation.

From in the market and the existing split type solar heat collector of each producer analyze: external form is widely different and the inner flow passage structure is similar basically, and generally adopting is following several structure:

A kind of is generally to adopt direct insertion (or mutual-inserting type) vacuum tube collector, and inner flow passage adopts stainless sheet steel to form by argon arc welding or high frequency roll welding, adopts the silicon rubber loop sealing between connection, belongs to non-pressure-bearing solar heat collector.Centering, that direct insertion solar heat collector is installed in the skyscraper sub-district is not too suitable, can not pressure-bearing, install and use in have unsafe factor.

Another kind of solar thermal collector inner flow passage adopts copper pipe, and welds a plurality of copper blind pipes on being responsible for, and its heat pipe (medium) end is inserted in many copper blind pipes, and this heat collector inner flow passage belongs to the pressure-bearing solar heat collector.Its shortcoming: the many solder technology of solder side require high, and metal ingredient is separated out easily in the welding, cause weld gas leakage, the phenomenon of leakage in the use easily; Particularly copper blind pipe and heat pipe matched in clearance are very little, install just to be not easy to take off, and the cost height, maintenance cost is bigger.

The inner flow passage structure that also has a kind of solar thermal collector on the market, generally adopting more is double u-tube one electron tubes type heat collector inner flow passage, by medium heat conduction transmission heat in managing.Its shortcoming: solder side is too many, and solder technology requires high, and metal ingredient is separated out easily in the welding, causes weld gas leakage, the phenomenon of leakage in the use easily.The processing technology complexity, the cost height, difficulty is big.This structure is installed at the scene and is keeped in repair when adorning medium in the pipe, and system evacuation, filling liquid have certain difficulty, and it is stifled that the interior gas easily of improper pipe is installed, and has influence on Heat-collecting effect.

The utility model content

Technical problem to be solved in the utility model is: a kind of solar thermal collector is provided, and this kind solar thermal collector not only load performance is good, improves heat transfer efficiency, and is convenient to installation and removal, reduces maintenance cost.

Solve this technical problem, the technical solution of the utility model is: a kind of solar thermal collector, comprise framework, the heat collector shell, the inner flow passage that is positioned at the frame space middle part in the heat collector shell, the many vacuum tubes that the inner flow passage both sides are arranged, described inner flow passage comprises the inner flow passage body, the inner flow passage feed tube and the inner flow passage drain pipe that communicate with inner flow passage body cavity, every vacuum tube is built-in with heat pipe, described inner flow passage body is by oval matrix, the spaced apart screw thread arm of oval matrix length direction both sides is formed, the center line of described each screw thread arm is all along the X axis of oval matrix cross sections, and the heat pipe in the described every vacuum tube is threaded with the screw thread arm.

The spaced apart screw thread arm of described oval matrix length direction both sides is symmetrical arranged.

The transverse of the outline of described oval matrix cross sections is 60～100 millimeters, and ellipse short shaft is 20～50 millimeters.

Be provided with double insulation between described inner flow passage and the heat collector shell.

Described vacuum tube afterbody has adjustable for height tail holder and tail bracket.

The material of described inner flow passage is copper or stainless steel.

Described inner flow passage feed tube is made up of water inlet pipe arc section and water inlet pipe extension, and the end of described water inlet pipe extension is adjacent with the end of inner flow passage drain pipe.

Water inlet pipe arc section place is provided with outage and the sealing screw adaptive with outage.

The utility model solar thermal collector adopts such structure, and not only load performance is good, improves heat transfer efficiency, and is convenient to installation and removal, reduces maintenance cost, and security of operation increases the service life.

Description of drawings

Below in conjunction with accompanying drawing the utility model solar thermal collector is done explanation in further detail;

Fig. 1 is the structural representation of the utility model solar thermal collector;

Fig. 2 is that inner flow passage shown in Figure 1 connects the structure for amplifying schematic diagram;

Fig. 3 is Fig. 1, inner flow passage structural representation shown in Figure 2;

Fig. 4 is the inner flow passage schematic diagram of another kind of structure;

In Fig. 1, Fig. 2, Fig. 3, Fig. 4,1, the heat collector shell body; 2, inner flow passage; 3, vacuum tube; 4, framework; 5, tail holder; 6, tail bracket; 7, heat insulation cap; 8, double insulation; 9, outer hole is enclosed; 10, screw thread arm; 11, heat pipe; 12, heat pipe connector; 13, heat conduction annular lamina; 14, oval matrix; 15, inner flow passage feed tube; 16, inner flow passage drain pipe; 17, sealing screw; 18, outage; 19, water inlet pipe extension; 20, water inlet pipe arc section.

The specific embodiment

As Fig. 1, Fig. 2, shown in Figure 3, solar thermal collector comprises heat collector shell body 1, framework 4, inner flow passage 2, double insulation 8, heat pipe 11, outer hole circle 9, heat insulation cap 7, heat pipe connector 12, heat conduction annular lamina 13, vacuum tube 3, tail holder 5, tail bracket 6, be furnished with the inner flow passage 2 that is positioned at the frame space middle part in the heat collector shell body 1, inner flow passage 2 both sides are furnished with many vacuum tubes 3, vacuum tube 3 afterbodys have adjustable for height tail holder 5 and tail bracket 6, have double insulation between inner flow passage 2 and the heat collector shell body 1.Inner flow passage 2 comprises inner flow passage body, the inner flow passage feed tube 15 and the inner flow passage drain pipe 16 that communicate with inner flow passage body cavity, the inner flow passage body is made up of the spaced apart screw thread arm 10 of oval matrix 14, oval matrix 14 length direction both sides, oval matrix is exactly that cross section is oval long tube, focus is on the X-axis that is parallel to the vacuum heat collection pipe center line, the center line of described each screw thread arm 10 is all along the X axis of oval matrix 14 cross sections, and the heat pipe 11 in the described every vacuum tube is threaded with screw thread arm 10.The transverse of the outline of oval matrix 14 cross sections is 60～100 millimeters, and ellipse short shaft is 20～50 millimeters, and the material of inner flow passage 2 adopts red copper or stainless steel.

Fig. 4 shows the inner flow passage of another kind of structure, inner flow passage comprises inner flow passage body, the inner flow passage feed tube and the inner flow passage drain pipe 16 that communicate with inner flow passage body cavity, the inner flow passage feed tube is made up of water inlet pipe arc section 20 and water inlet pipe extension 19, water inlet pipe arc section 20 places have outage 17, it is furnished with sealing screw 18, and the end of the end of water inlet pipe extension 19 and inner flow passage drain pipe 16 is adjacent.Like this, inner flow passage feed tube and inner flow passage drain pipe can be installed at homonymy, can reduce installer's workload of operation aloft, be easy for installation and removal.Such inner flow passage structure can also be suitable for vacuum tube horizontal, reduces the height of solar thermal collector, increases wind loading rating.

The utility model solar thermal collector adopts said structure, and characteristics are as follows:

1, adopt oval copper pipe or stainless steel material, its structure and moulding, unusual, have originality.

2, the heat pipe connection is spiral screw thread hermetically-sealed construction, and sealingly secure is reliable.

3, not water flowing in the vacuum tube guarantees that hot-water heating system normally moves.And heat-conducting efficiency height.

4, the oval matrix X of inner flow passage is more roomy than identical round tube sectional dimension to sectional dimension, and load performance is good, improves heat transfer efficiency, security of operation, and long service life is suitable for the utilization of bilateral formula solar heat collector inner flow passage.

5, adopt double insulation, be suitable for the use of the extremely frigid zones four seasons;

6, inner flow passage adopts oval basal body structure, has simplified processing technology thereof, and minimizing welding job amount can avoid occurring weld gas leakage, the phenomenon of leakage, and in installing and safeguarding, folding is adorned, more heat exchanger tube is convenient, reduces maintenance cost.

The utility model solar thermal collector is not limited to said structure, inner flow passage can also adopt other distressed structures, the feed tube center line of inner flow passage for example shown in Figure 3 and inner flow passage drain pipe center line all can be perpendicular to the center lines of oval matrix, and inner flow passage feed tube and inner flow passage drain pipe are positioned at the same side of oval matrix.Inner flow passage can also adopt other expansion geometric modelings of deriving; obviously this solar thermal collector specific implementation is not subjected to the restriction of aforesaid way; as long as adopted the improvement of the various unsubstantialities that method of the present utility model design and technical scheme carry out; or design of the present utility model and technical scheme are directly applied to other occasion without improving, all within the protection domain of this solar thermal collector.

Claims

1. a solar heat collector, comprising frame (9), heat collector outer shell (1), inner runner (2) positioned at the frame space middle part in the heat collector outer shell (1), inner runner ( 2) A plurality of vacuum tubes (3) arranged on both sides, the inner flow channel (2) includes an inner flow channel body, an inner flow channel liquid inlet pipe (15) communicating with the inner flow channel body cavity, and an inner flow channel Outlet liquid pipe (16), heat pipe (11) is built-in in every vacuum pipe (3), it is characterized in that: described inner runner pipe body is made of ellipse base body (14), oval base body (14) length direction two The threaded branch pipes (10) arranged at intervals on the side, the center line of each threaded branch pipe (10) is along the X-axis of the cross-section of the elliptical base (14), and each of the vacuum tubes The heat pipe (11) is threadedly connected with the threaded branch pipe (10).

2. The solar heat collector according to claim 1, characterized in that: the threaded branch pipes (10) arranged at intervals on both sides of the elliptical base (14) in the longitudinal direction are arranged symmetrically.

3. The solar heat collector according to claim 1 or 2, characterized in that: the major axis of the ellipse of the outer contour of the cross-section of the elliptical base (14) is 60-100 mm, and the minor axis of the ellipse is 20-100 mm. 50 mm.

4. The solar heat collector according to claim 1 or 2, characterized in that: a double-layer insulation layer is arranged between the inner flow channel (2) and the heat collector shell (1).

5. The solar heat collector according to claim 1 or 2, characterized in that: the tail of the vacuum tube (8) has a height-adjustable rear stock (10) and a rear stock seat (11).

6. The solar heat collector according to claim 1 or 2, characterized in that: the material of the inner flow channel (2) is copper or stainless steel.

7. The solar heat collector according to claim 1, characterized in that: the liquid inlet pipe (15) of the inner flow channel is composed of an arc section (20) of the water inlet pipe and an extension section (19) of the water inlet pipe, so that The end of the water inlet pipe extension (19) is adjacent to the end of the inner flow channel outlet pipe (16).

8. The solar heat collector according to claim 7, characterized in that: the circular arc section (20) of the water inlet pipe is provided with a drain hole (18) and a seal adapted to the drain hole (18) screw(17).