阅读说明：本技术 一种高温高效型太阳能集热器 (High-temperature efficient solar heat collector ) 是由 徐辰 徐致远 徐泽山 于 2020-05-27 设计创作，主要内容包括：本发明公开了一种高温高效型太阳能集热器,包括外壳、设置于外壳一端的第一汇流总管接口、设置于外壳另一端的第二汇流总管接口以及多个并排的真空集热管；所述第一汇流总管接口连接有多个第一引管,所述第二汇流总管接口连接有多个第二引管,所述第一引管和第二引管的数量相等且两者一一对应,每组的第一引管和第二引管之间串联连接有多个U型管,每个U型管位于一个所述真空集热管内。本发明的集热器集热效率高、温度高。(The invention discloses a high-temperature high-efficiency solar heat collector which comprises a shell, a first confluence main pipe interface arranged at one end of the shell, a second confluence main pipe interface arranged at the other end of the shell and a plurality of vacuum heat collecting pipes arranged side by side, wherein the first confluence main pipe interface is connected with the first confluence main pipe interface; the first confluence main pipe is connected with a plurality of first guide pipes through an interface, the second confluence main pipe is connected with a plurality of second guide pipes through an interface, the first guide pipes and the second guide pipes are equal in number and correspond to each other one by one, a plurality of U-shaped pipes are connected in series between the first guide pipes and the second guide pipes of each group, and each U-shaped pipe is located in one vacuum heat collecting pipe. The heat collector has high heat collecting efficiency and high temperature.)

1. A high-temperature high-efficiency solar heat collector is characterized by comprising a shell, a first confluence main pipe joint arranged at one end of the shell, a second confluence main pipe joint arranged at the other end of the shell and a plurality of vacuum heat collecting pipes arranged side by side; the first confluence main pipe is connected with a plurality of first guide pipes through an interface, the second confluence main pipe is connected with a plurality of second guide pipes through an interface, the first guide pipes and the second guide pipes are equal in number and correspond to each other one by one, a plurality of U-shaped pipes are connected in series between the first guide pipes and the second guide pipes of each group, and each U-shaped pipe is located in one vacuum heat collecting pipe.

2. The high temperature and high efficiency solar thermal collector according to claim 1, wherein the shell has an insulating layer therein, and a plurality of evacuated collector tubes are fixed to the shell.

3. The high temperature and high efficiency solar thermal collector according to claim 1, wherein the number of the first and second lead pipes is 2-8; and 2-8 lead pipe through holes are formed at the first confluence main pipe interface and the second confluence main pipe interface.

4. The high temperature and high efficiency solar heat collector according to claim 1, wherein 2-10U-shaped tubes are connected in series between the first lead tube and the second lead tube of each group.

5. The high-temperature high-efficiency solar heat collector according to claim 1, wherein the distance between the adjacent evacuated solar collector tubes is 3-15 mm; preferably equal to 5 mm.

6. The high-temperature high-efficiency solar heat collector according to claim 1, wherein the U-shaped tube comprises two straight tubes and a connecting bent tube connecting the two straight tubes, and fins are connected to the straight tubes and abut against the inner walls of the vacuum heat collecting tubes.

7. The high temperature and high efficiency solar collector according to claim 6 wherein the evacuated collector tube has an elastic member therein, the elastic member providing an elastic force to urge the fins against the evacuated collector tube.

8. The high-temperature high-efficiency solar heat collector according to claim 6, wherein the straight tube, the connecting bent tube and the fin are all made of aluminum materials; preferably, the guide tube, the straight tube, the connecting bent tube and the fin are all made of aluminum materials and are integrally extruded to form a long strip shape, and the processing method is to cut off the aluminum fins at the bent tube and the guide tube.

9. The high temperature and high efficiency solar thermal collector according to claim 7, wherein the elastic member is O-shaped or S-shaped.

10. The high temperature and high efficiency solar heat collector according to claim 1, wherein the first and second lead pipes and the plurality of U-shaped pipes connected in series between the first and second lead pipes are integrated into a continuous pipe.

Technical Field

The invention relates to the field of heat collectors, in particular to a high-temperature efficient solar heat collector.

Background

The U-shaped tube solar heat collector is a mature solar heat collector at present, has high heat collection efficiency, prevents the water circularly heated by the broken glass tube from flowing out, can be designed into a pressure bearing system, has high water outlet pressure, improves the water level of people, and is widely used.

The existing U-shaped tube solar collector structure comprises a header, wherein a heat insulation layer is arranged in the header, two main tubes, a plurality of U-shaped tubes, aluminum wings and double-glass heat collecting tubes are arranged, two ends of each U-shaped tube are respectively connected with the two main tubes, the plurality of U-shaped tubes are connected in parallel, the aluminum wings are inserted into the outer walls of the U-shaped tubes and are arranged in the double-glass heat collecting tubes, two ends of each main tube are respectively provided with a water outlet and a water inlet, the other ends of the two main tubes are sealed, when the solar collector works circularly, inlet water enters the main tubes through the water inlets in a circulating mode, and then flows into the main tubes and flows out of the main tubes after entering the U-shaped tubes respectively, and the water circulating heating process is completed.

According to the U-shaped tube solar collector, each U-shaped tube is connected with two main tubes in parallel, and because the heat collection area of a single double-glass heat collection tube is about 0.08m2, the actual power of the solar energy per unit area is generally about 500W/m2, the heat of a single tube is about 40W, and the heat energy is very low, the water outlet temperature of the U-shaped tube solar collector connected in parallel is low, and particularly when the U-shaped tube solar collector is used in winter, usable hot water cannot be produced, so that the wide popularization and use of solar heat collection of the U-shaped tube are influenced.

Disclosure of Invention

The purpose of the invention is as follows: the invention aims to overcome the defects of the prior art and provides a high-temperature and high-efficiency solar heat collector.

The technical scheme is as follows: a high-temperature high-efficiency solar heat collector comprises a shell, a first confluence main pipe interface arranged at one end of the shell, a second confluence main pipe interface arranged at the other end of the shell and a plurality of vacuum heat collecting pipes arranged side by side; the first confluence main pipe is connected with a plurality of first guide pipes through an interface, the second confluence main pipe is connected with a plurality of second guide pipes through an interface, the first guide pipes and the second guide pipes are equal in number and correspond to each other one by one, a plurality of U-shaped pipes are connected in series between the first guide pipes and the second guide pipes of each group, and each U-shaped pipe is located in one vacuum heat collecting pipe.

Furthermore, a heat insulation layer is arranged in the shell, and the plurality of evacuated collector tubes are fixed with the shell.

Furthermore, the number of the first guide pipe and the second guide pipe is 2-8; and 2-8 lead pipe through holes are formed at the first confluence main pipe interface and the second confluence main pipe interface.

Preferably, the number of the first guide pipe and the second guide pipe is 3; and the first confluence main pipe interface and the second confluence main pipe interface are respectively provided with 3 lead pipe through holes.

Furthermore, 2-10U-shaped pipes are connected in series between the first guide pipe and the second guide pipe of each group.

Preferably, 4U-shaped pipes are connected in series between the first guide pipe and the second guide pipe of each group.

Furthermore, the distance between the adjacent tube vacuum heat collecting tubes is 3-15 mm.

Preferably, the distance between the adjacent tube vacuum heat collecting tubes is equal to 5 mm.

Thereby the arrangement is more compact, and the heat collecting effect is better.

Further, the U-shaped pipe comprises two straight pipes and a connecting bent pipe for connecting the two straight pipes, the straight pipes are connected with fins, and the fins are abutted to the vacuum heat collecting pipes.

Furthermore, an elastic component is arranged in the vacuum heat collecting tube, and the elastic component provides elastic force to enable the fin to abut against the vacuum heat collecting tube.

Furthermore, the first guide pipe, the second guide pipe and a plurality of U-shaped pipes connected in series between the first guide pipe and the second guide pipe are integrated and continuous pipes.

Furthermore, the first guide pipe, the second guide pipe and the U-shaped pipe are integrally continuous pipes, the pipes and aluminum fins of the pipes are integrally designed, the aluminum fins on the outer walls of the first guide pipe and the second guide pipe are cut and removed for extruding aluminum profiles, and the fins abut against the inner wall of the vacuum pipe.

Further, the straight pipe, the connecting bent pipe and the fin are all made of aluminum materials.

Further, the elastic component is O-shaped or S-shaped.

Further, the elastic part is a continuous elastic part formed by a plurality of O-shaped springs; or the elastic member is a whole wave-shaped elastic member.

Further, the cross section of the fin is arc-shaped.

The elastic member may be provided in plurality. So that the entire length of the straight pipe can be set to the squeezing effect.

Furthermore, the guide pipe, the straight pipe, the connecting bent pipe and the fins are all made of aluminum materials and are integrally extruded to form a long strip shape, and the processing method is to cut the bent pipe and the guide pipe to remove the aluminum fins.

Has the advantages that: the heat collector of the invention has high heat conduction efficiency and compact structure, and can heat water to a higher temperature.

Drawings

FIG. 1 is a schematic view of a heat collector;

FIG. 2 is a schematic diagram of a bus summary interface;

FIG. 3 is a schematic view illustrating the inside of a vacuum heat collecting tube;

FIG. 4 is a schematic view of the interior of the evacuated collector tube when the elastic member is O-shaped;

FIG. 5 is a schematic view of the inside of the evacuated collector tube when the elastic member is S-shaped.

Detailed Description

Reference numerals: 1, vacuum heat collecting pipes; 2U-shaped pipes; 2.1, straight pipe; 2.2 a fin; 3.1 a first guide pipe; 3.2 a second guide pipe; 4.1 a first summary pipe interface; 4.2 second collecting pipe interface; 4.3, perforating a guide pipe; 5, a shell; 6, insulating layer; 7 an elastic member.

The following detailed description is made with reference to the accompanying drawings: a high-temperature high-efficiency solar heat collector comprises a shell 5, a first confluence main pipe interface 4.1 arranged at one end of the shell 5, a second confluence main pipe interface 4.2 arranged at the other end of the shell 5 and a plurality of vacuum heat collecting pipes 1 which are arranged side by side; the first confluence main pipe joint 4.1 is connected with a plurality of first guide pipes 3.1, the second confluence main pipe joint 4.2 is connected with a plurality of second guide pipes 3.2, the first guide pipes 3.1 and the second guide pipes 3.2 are equal in number and are in one-to-one correspondence, a plurality of U-shaped pipes 2 are connected in series between the first guide pipes 3.1 and the second guide pipes 3.2 of each group, and each U-shaped pipe 2 is positioned in one vacuum heat collecting pipe 1.

The shell 5 is internally provided with a heat insulation layer 6, and the plurality of evacuated collector tubes 1 are fixed with the shell 5. The number of the first guide pipe 3.1 and the second guide pipe 3.2 is 2-8; the first confluence main pipe interface 4.1 and the second confluence main pipe interface 4.2 are respectively provided with 2-8 lead pipe through holes 4.3. 2-10U-shaped pipes are connected in series between the first guide pipe and the second guide pipe of each group. The distance between the adjacent tube vacuum heat collecting tubes 1 is 3-15 mm. The U-shaped pipe 2 comprises two straight pipes 2.1 and a connecting bent pipe for connecting the two straight pipes 2.1, the straight pipes 2.1 are connected with fins 2.2, and the fins 2.2 are abutted to the vacuum heat collecting pipes 1. An elastic part 7 is arranged in the vacuum heat collecting tube 1, and the elastic part 7 provides elastic force to enable the fins 2.2 to abut against the vacuum heat collecting tube 1. The straight pipe 2.1, the connecting bent pipe and the fins 2.2 are all made of aluminum materials. The elastic component is O-shaped or S-shaped.

According to the high-temperature high-efficiency solar heat collector, the U-shaped pipe comprises the straight pipe 2.1 and the aluminum fin 2.2, and the straight pipe 2.1 and the fin 2.2 are made of aluminum materials and are integrated, so that the conductivity of the high-temperature high-efficiency solar heat collector is better. The elastic component 7 is arranged in the evacuated collector tube 1, the elastic component 7 is arranged between the two straight tubes 2.1 and forms extrusion force, so that the fins 2.2 are in close contact with the inner tube wall of the evacuated collector tube 1, the structure enables heat transfer to be better, and the elastic component can be in O-shaped or wave-shaped shapes.

While the invention has been shown and described with respect to the preferred embodiments, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the scope of the invention as defined in the following claims.