CN201892329U

CN201892329U - Vacuum-tube solar pressure-bearing heat collector

Info

Publication number: CN201892329U
Application number: CN201020553068XU
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: 2011-07-06
Anticipated expiration: 2020-09-29

Abstract

The utility model discloses a vacuum tube solar pressure-bearing heat collector, which comprises a frame, a heat collector shell, a plurality of vacuum tubes parallel to each other, and an inner flow path in the heat collector shell. The inner flow path includes an internal flow path The pipe body, the liquid inlet pipe of the inner runner and the liquid outlet pipe of the inner runner communicated with the cavity of the inner runner pipe body, each of the vacuum tubes has a built-in heat pipe, and the end of the heat pipe near the inner runner has a heat pipe connector, so The inner runner pipe body is composed of an elliptical base body and threaded branch pipes arranged at intervals on one side in the length direction of the elliptical base body. The center line of each threaded branch pipe is along the X axis of the cross section of the elliptical base body. , each of the heat pipe connectors is threadedly connected with the threaded branch pipe. The vacuum tube solar pressure-bearing heat collector of the utility model adopts such a structure, which not only has good pressure-bearing performance, improves heat conduction efficiency, but also facilitates installation and disassembly, reduces maintenance costs, operates safely, and prolongs service life.

Description

Vacuum pipe solar pressure-bearing type heat collector

Technical field

The utility model relates to a kind of vacuum pipe solar pressure-bearing type heat collector.

Background technology

Vacuum pipe solar pressure-bearing type heat collector comprises the inner flow passage in framework, heat collector shell body, many vacuum tubes that are parallel to each other, the heat collector shell, described inner flow passage comprises 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 and heat conduction annular lamina, the end of heat pipe has heat insulation cap and heat pipe connector, heat pipe puts in the inner flow passage body cavity, and the inner flow passage body is that pipe or cross section are the strip of rectangle.Such structure, when the inner flow passage body was pipe, heat pipe puts in the length of inner flow passage body cavity to be limited to, and heat transfer efficiency is affected; The inner flow passage body is a cross section when being the strip of rectangle, and load performance is relatively poor, and solder side is too many, 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, maintenance cost is bigger.

The utility model content

Technical problem to be solved in the utility model is: a kind of vacuum pipe solar pressure-bearing type heat collector is provided, and not only load performance is good for this kind vacuum pipe solar pressure-bearing type heat collector, 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 vacuum pipe solar pressure-bearing type heat collector, comprise framework, the heat collector shell, many vacuum tubes that are parallel to each other, inner flow passage in the heat collector shell, 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, described every vacuum tube is built-in with heat pipe, heat pipe has the heat pipe connector near an end of inner flow passage, described inner flow passage body is by oval matrix, the spaced apart screw thread arm of oval matrix length direction one side is formed, the center line of described each screw thread arm is all along the X axis of oval matrix cross sections, and described each heat pipe connector all is threaded with the screw thread arm.Oval matrix is exactly that cross section is oval long tube, and focus is on the X-axis that is parallel to the vacuum tube center line.

Described inner flow passage feed tube center line and inner flow passage drain pipe center line be all perpendicular to the center line of oval matrix, and inner flow passage feed tube and inner flow passage drain pipe are positioned at the same side of oval matrix.

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

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

The utility model vacuum pipe solar pressure-bearing type heat 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 a kind of vacuum pipe solar pressure-bearing type of the utility model heat collector is done explanation in further detail;

Fig. 1 is the structural representation of a kind of vacuum pipe solar pressure-bearing type of the utility model heat 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, heat-insulation layer; 4, heat pipe; 5, heat conduction annular lamina; 6, vacuum tube; 7, framework; 8, tail holder; 9, tail bracket; 10, heat pipe connector; 11, heat insulation cap; 12, inner flow passage feed tube; 13, screw thread arm; 14, oval matrix; 15, inner flow passage drain pipe.

The specific embodiment

As Fig. 1, Fig. 2, shown in Figure 3, vacuum pipe solar pressure-bearing type heat collector comprises heat collector shell body 1, framework 7, inner flow passage 2, heat-insulation layer 3, heat pipe 4, heat insulation cap 11, heat pipe connector 10, heat conduction annular lamina 5, vacuum tube 6, tail holder 8 and tail bracket 9, vacuum tube 3 afterbodys have adjustable tail holder 8 in position and tail bracket 9, have heat-insulation layer 3 between inner flow passage 2 and the heat collector shell body 1.Inner flow passage 2 comprises the inner flow passage body, the inner flow passage feed tube 12 and the inner flow passage drain pipe 15 that communicate with inner flow passage body cavity, every vacuum tube is built-in with heat pipe 4 and heat conduction annular lamina 5, the end of heat pipe 4 has heat insulation cap 11 and heat pipe connector 10, heat pipe 4 puts in the inner flow passage body cavity, the inner flow passage body is by oval matrix 14, the spaced apart screw thread arm 13 of oval matrix 14 length direction both sides is formed, oval matrix is exactly that cross section is oval long tube, focus is on the X-axis that is parallel to the vacuum tube center line, and the center line of described each screw thread arm 13 is all along the X axis of oval matrix 14 cross sections.The central lines of inner flow passage feed tube 12 center lines and inner flow passage drain pipe 15 center lines and oval matrix 14, the transverse of the outline of oval matrix 14 cross sections is 60～100 millimeters, ellipse short shaft is 20～50 millimeters, and the material of inner flow passage 2 adopts 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 12 and the inner flow passage drain pipe 15 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, and the center line of described each screw thread arm 10 is all along the X axis of oval matrix 14 cross sections.Inner flow passage feed tube 12 center lines and inner flow passage drain pipe 15 center lines are all perpendicular to the center line of oval matrix 14, and inner flow passage feed tube 12 and inner flow passage drain pipe 15 are positioned at the same side of oval matrix 14.

The utility model vacuum pipe solar pressure-bearing type heat collector inner flow passage adopts said structure, the oval matrix X of inner flow passage body is more roomy than identical round tube sectional dimension to sectional dimension, can simplify processing technology thereof, reduces the welding job amount, avoid occurring weld gas leakage, the phenomenon of leakage, in installing and safeguarding, folding is adorned, more heat exchanger tube is convenient, reduces maintenance cost, load performance is good, improve heat transfer efficiency, security of operation, long service life.

Claims

1. vacuum pipe solar pressure-bearing type heat collector, comprise framework (7), heat collector shell body (1), the many vacuum tubes (6) that are parallel to each other, inner flow passage (2) in the heat collector shell (1), described inner flow passage (2) comprises the inner flow passage body, inner flow passage feed tube (12) that communicates with inner flow passage body cavity and inner flow passage drain pipe (15), described every vacuum tube (6) is built-in with heat pipe (4), heat pipe (4) has heat pipe connector (10) near an end of inner flow passage (2), it is characterized in that: described inner flow passage body is by oval matrix (14), oval matrix (14) the length direction spaced apart screw thread arm of one side (13) is formed, the center line of described each screw thread arm (13) is all along the X axis of oval matrix (14) cross section, and described each heat pipe connector (10) all is threaded with screw thread arm (13).

2. vacuum pipe solar pressure-bearing type heat collector according to claim 1, it is characterized in that: described inner flow passage feed tube (12) center line and inner flow passage drain pipe (15) center line be all perpendicular to the center line of oval matrix (14), and inner flow passage feed tube (12) and inner flow passage drain pipe (15) are positioned at the same side of oval matrix (14).

3. vacuum pipe solar pressure-bearing type heat collector according to claim 1 is characterized in that: described vacuum tube (6) afterbody have the position adjustable tail holder (8) and tail bracket (9).

4. according to claim 1 or 2 or 3 described vacuum pipe solar pressure-bearing type heat collectors, it is characterized in that: the transverse of the outline of described oval matrix (14) cross section is 60～100 millimeters, and ellipse short shaft is 20～50 millimeters.