CN201450465U - A heat pipe solar power generation device - Google Patents

Abstract

This invention provides a heat pipe solar power generation device. It includes a flat-plate solar collector and a thermocouple power generation device, with the thermocouple power generation device connected to the flat-plate solar collector. The flat-plate solar collector includes a header, a base, a frame, collector tubes, and a heat pipe heat exchanger. The header and base are fixedly connected to the frame. The collector tubes are fixedly installed on the header and base. The heat pipe heat exchanger includes a first main pipe, a second main pipe, and a U-shaped heat-conducting pipe. The first and second main pipes are installed inside the header. The U-shaped heat-conducting pipe is U-shaped and inserted into the collector tubes, connecting the first and second main pipes. The collector tubes are vacuum tubes, and their outer surface is coated with a heat-absorbing film. The first and second main pipes of the flat-plate solar collector installed in the header have working sections extending beyond the header, where the thermocouple power generation device is installed. This invention's heat pipe solar power generation device has a simple structure, is economical and practical, and has good power generation performance.

Description

A heat pipe solar power generation device

technical field

The utility model relates to a power generating device, in particular to a heat pipe type solar power generating device.

Background technique

At present, the use of solar power generation is a very valuable and promising topic that is both economical and environmentally friendly. The thermocouple power generation device is a simple and economical power generation device. As long as the solar energy can be used to output heat through a heat exchanger, the problem of solar power generation can be solved. , in the prior art, the flat plate heat collector is equipped with a metal heat pipe in a closed box, and the box is covered with light-transmitting glass. This structure box is difficult to vacuum, and the heat preservation effect is poor. The metal heat pipe is covered with a layer of heat absorbing plate, but the heat absorbing area is limited, which still cannot solve the problem of vacuuming the box body, which directly affects the power generation effect.

Contents of the invention

The purpose of the utility model is to provide a heat pipe type solar power generation device which is convenient for vacuum treatment, increases heat preservation performance, has high heat collection efficiency and good power generation effect.

In order to achieve the above purpose, the technical solution of the utility model is: a heat pipe solar power generation device, including a flat-plate heat collector and a thermocouple power generation device, the thermocouple power generation device is connected with the flat-plate heat collector, and the flat-plate heat collector The heat exchanger includes a header, a bottom bracket, a frame, a heat collecting tube and a heat pipe heat exchanger. The header and the bottom bracket are respectively fixedly connected to the frame, and the heat collecting tube is fixedly installed on the header and the bottom bracket. The innovation is that the flat plate type The heat pipe heat exchanger in the collector includes the first main pipe, the second main pipe and the U-shaped heat pipe. The first main pipe and the second main pipe are installed in the header. The U-shaped heat pipe is U-shaped and inserted into the heat collecting pipe. And the first main pipe and the second main pipe are connected; the heat collecting pipe is a vacuum tube, and the outer surface of the vacuum tube is coated with a heat-absorbing film layer; the flat plate heat collector is installed in the first main pipe and the second main pipe in the header There is a working section extending out of the header, and a thermocouple power generation device is installed at the working section.

There are multiple heat collecting tubes arranged in a line between the header and the bottom support, and the outer surface of each heat collecting tube is coated with a heat absorbing film layer.

The number of heat conducting pipes connecting the first main pipe and the second main pipe is equal to the number of heat collecting pipes, and one heat conducting pipe is inserted in each heat collecting pipe.

An insulation layer covering the first main pipe and the second main pipe is provided inside the header box installed with the first main pipe and the second main pipe.

The thermocouple power generation device at the working section is equipped with cooling heat exchange tubes.

The utility model adopts a vacuum tube flat-plate solar heat collection device, utilizes heat pipe technology, and is equipped with a working fluid in the heat conduction tube. The heat exchange efficiency of the vacuum tube flat plate solar collector is high, and the heat collecting tube of the vacuum tube is convenient for vacuuming, and the heat preservation performance of the header is good. A U-shaped heat pipe is inserted in the heat collecting pipe of the heat film layer, which increases the heat absorption area and further improves the heat conversion efficiency. Therefore, the heat pipe type solar power generation device of the utility model has a simple structure, is economical and practical, and has a good power generation effect.

Description of drawings

Fig. 1 is a structural schematic diagram of a heat pipe type solar power generation device of the present invention;

Fig. 2 is the schematic diagram of the heat conduction pipeline structure of the vacuum tube flat solar heat collector;

Fig. 3 is a schematic diagram of the installation relationship between the working section of the heat pipe and the thermocouple power generation device in Fig. 1 .

Detailed ways

As shown in Figures 1, 2, and 3, a heat pipe solar power generation device of the present invention includes a flat-plate heat collector 1 and a thermocouple power generation device 2, and the flat-plate heat collector 1 includes a header 1-1, a bottom Support 1-2, frame 1-5, heat collecting tube 1-3 and heat pipe heat exchanger 1-4, header 1-1 and bottom support 1-2 are respectively fixedly connected with frame 1-5, and heat collecting tube 1-3 is fixed Installed on the header 1-1 and the bottom bracket 1-2, the thermocouple power generation device 2 is connected with the flat-plate heat collector 1, and its innovation point is: the heat pipe heat exchanger 1 in the flat-plate heat collector 1 -4 includes the first main pipe 1-4-1, the second main pipe 1-4-2 and the U-shaped heat pipe 1-4-3, and the first main pipe 1-4-1 and the second main pipe 1-4-2 are installed on In the header 1-1, the U-shaped heat pipe 1-4-3 is U-shaped, inserted into the heat collecting pipe 1-3, and communicates with the first main pipe 1-4-1 and the second main pipe 1-4-2; The heat collecting tube 1-3 is a vacuum tube, and the outer surface of the vacuum tube is coated with a heat-absorbing film layer; the flat plate heat collector 1 is installed in the first header 1-4-1 and the second The main pipe 1-4-2 is provided with a working section 1-4-4 extending out of the header 1-1, and a thermocouple power generation device 2 is installed at the working section 1-4-4.

As shown in Figures 1 and 2, in order to improve heat collection efficiency, the heat collection tubes 1-3 are provided with multiple pieces, and are arranged in a line between the header 1-1 and the bottom support 1-2, and each heat collection tube 1 The outer surface of -3 is coated with a heat-absorbing film layer. The number of U-shaped heat pipes 1-4-3 connecting the first header pipe 1-4-1 and the second header pipe 1-4-2 is equal to the number of heat collection pipes 1-3, and each heat collection pipe 1-3 A U-shaped heat pipe 1-4-3 is inserted in the center. The header 1-1 equipped with the first main pipe 1-4-1 and the second main pipe 1-4-2 is provided with a cover covering the first main pipe 1-4-1 and the second main pipe 1-4-2. Insulation.

In the utility model, a working fluid is installed in the U-shaped heat conducting tube 1-4-3, and the working fluid absorbs the solar heat of the heat collecting tube 1-3, and provides thermal energy for the thermocouple power generation device 2 to generate electricity. In order to make full use of solar energy, the thermocouple power generation device 2 at the working section 1-4-4 is equipped with cooling heat exchange tubes 3 . As shown in FIG. 3 , cold water can be connected to the cooling heat exchange tube 3 and heated by the heat of the thermocouple power generation device 2 . After the cold water in the cooling heat exchange tube 3 is heated, hot water can be provided for use.

The heat pipe type solar power generating device of the utility model is simple in structure, economical and practical, and has good power generation effect.

Claims (5)

1. A heat pipe type solar power generation device, comprising a flat-plate heat collector (1) and a thermocouple power generation device (2), the thermocouple power generation device (2) is connected with the flat-plate heat collector (1), and the flat-plate heat collector Heater (1) comprises header (1-1), base bracket (1-2), frame (1-5), heat collecting pipe (1-3) and heat pipe heat exchanger (1-4), header ( 1-1) and the bottom bracket (1-2) are respectively fixedly connected with the frame (1-5), and the heat collecting tube (1-3) is fixedly installed on the header (1-1) and the bottom bracket (1-2), It is characterized by: a. The heat pipe heat exchanger (1-4) in the flat-plate heat collector (1) includes a first header (1-4-1), a second header (1-4-2) and a U-shaped heat pipe (1-4-3), the first main pipe (1-4-1), the second main pipe (1-4-2) are installed in the header (1-1), the U-shaped heat pipe (1-4-3 ) is U-shaped, inserted into the heat collecting pipe (1-3), and communicates with the first general pipe (1-4-1) and the second general pipe (1-4-2); b. The heat collecting tube (1-3) is a vacuum tube, and the outer surface of the vacuum tube is coated with a heat absorbing film layer; c. The first main pipe (1-4-1) and the second main pipe (1-4-2) of the flat-plate heat collector (1) installed in the header (1-1) are provided with extension headers In the working section (1-4-4) other than (1-1), the working section (1-4-4) is equipped with a thermocouple power generation device (2). 2. The heat pipe type solar power generation device according to claim 1, characterized in that: the heat collecting tubes (1-3) are provided with a plurality of tubes, and arranged in a line and installed on the header (1-1) and the bottom bracket ( Between 1-2), the outer surface of each heat collecting tube (1-3) is coated with a heat absorbing film layer. 3. The heat pipe solar power generation device according to claim 1 or 2, characterized in that: the U-shaped heat pipe connecting the first main pipe (1-4-1) and the second main pipe (1-4-2) The number of (1-4-3) is equal to the number of heat collecting tubes (1-3), and each heat collecting tube (1-3) is inserted with a U-shaped heat conducting tube (1-4-3). 4. The heat pipe solar power generation device according to claim 1, characterized in that: the header (1-4-1) and the second main pipe (1-4-2) are installed with the first main pipe (1-4-2) 1) There is an insulation layer covering the first main pipe (1-4-1) and the second main pipe (1-4-2) inside. 5 . The heat pipe solar power generation device according to claim 1 , characterized in that: the thermocouple power generation device ( 2 ) at the working section ( 1 - 4 - 4 ) is equipped with a cooling heat exchange tube ( 3 ).

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