CN201819423U - A Whole Plate High Efficiency Solar Heat Collector - Google Patents

Abstract

The utility model relates to an efficient complete plate solar collector. The solar collector comprises an absorber plate core, a header, a frame, a back plate and a cover plate, wherein the cover plate is mounted on the surface of the absorber plate core; the back plate is connected with the back of the absorber plate core; the header is fixedly connected with the absorber plate core; the frame is fixedly mounted at the periphery of the heat collector; the absorber plate core comprises a flow passage and heat absorption fins, which are integrated through drawing; and the heat absorption fins are mutually connected to be a complete plate. The efficient complete plate solar collector has the advantages of improving heat collection efficiency, shortening heat conduction distance, improving heat conductivity and reducing heat loss, meanwhile, has higher strength and low probability of damage due to the adoption of toughened glass.

Description

A Whole Plate High Efficiency Solar Heat Collector

technical field

The utility model relates to the field of utilization, collection and utilization of solar heat, in particular to the field of a flat solar heat collector.

Background technique

Flat-panel solar collectors are welcomed by people for their low cost, durability and reliability, convenient installation and use, and overall coordination with buildings. The form is connected into one body, and the heat transfer resistance is large; the multi-channel fin design is adopted, but there is no contact between the various flow channels, and the entire plate is not formed, and the surface thermal migration coefficient is large; the back and the side of the frame use mineral wool as insulation , the thermal bridge cannot be blocked, and the strength of the whole board is poor; in the high temperature area, the heat loss is large and the thermal efficiency is low.

Utility model content

The technical problem to be solved by the utility model is: to provide a new whole-board high-efficiency solar heat collector with high heat collection efficiency and high strength.

In order to overcome the defects existing in the background technology, the technical solution adopted by the utility model to solve the technical problem is: a whole-board high-efficiency solar heat collector, including a heat-absorbing plate core, a header, a frame, a back plate and a cover plate, A cover plate is installed on the surface of the heat-absorbing plate core, a back plate is connected to the back of the heat-absorbing plate core, the header is fixedly connected to the heat-absorbing plate core, and the frame is fixedly installed around the heat collector. It is characterized in that: the heat-absorbing plate core includes flow channels and heat-absorbing fins, the flow channels and heat-absorbing fins are drawn into one body, and the heat-absorbing fins are connected with each other to form a whole plate.

According to another embodiment of the present utility model, a whole-panel high-efficiency solar heat collector further includes that the heat-absorbing fins are connected by a mother-in-chief groove.

According to another embodiment of the present utility model, a whole-panel high-efficiency solar heat collector further includes twelve flow channels evenly distributed on the heat-absorbing plate core.

According to another embodiment of the present utility model, a whole-panel high-efficiency solar heat collector further includes that the frame of the heat collector is filled with foam insulation material.

According to another embodiment of the present utility model, a whole-panel high-efficiency solar heat collector further includes that the back of the heat collector is filled with foam insulation material.

According to another embodiment of the present utility model, a whole-panel high-efficiency solar heat collector further includes that the surface of the heat-absorbing fins is coated with blue titanium by magnetron sputtering.

According to another embodiment of the present utility model, a whole-panel high-efficiency solar heat collector further includes that the cover plate is a glass cover plate.

According to another embodiment of the present utility model, a whole-panel high-efficiency solar heat collector further includes that the surface of the cover plate opposite to the heat-absorbing fins is in the shape of a concave-convex texture.

The utility model solves the defects in the background technology. The flow channel of the heat-absorbing plate core and the heat-absorbing fins are drawn into one body, with 360° heat transfer and higher heat conduction performance; the surface of the heat-absorbing fins adopts magnetron sputtering blue state Coating technology, the heat absorption rate reaches 95% ± 2%, the emissivity is lower than 4%, and the performance is stable; the heat-absorbing plate core adopts a design of 12 flow channels, which makes the heat conduction distance from the heat absorbed by the heat-absorbing fins to the flow channels shorter; The heat fins are buckled into a whole plate through the mother and son grooves, which makes the heat migration on the surface of the heat-absorbing plate core lower; the aluminum alloy frame of the collector is connected without rivets, which makes the whole plate stronger; the glass cover plate adopts low iron, cloth pattern , Tempered glass, making the strength higher and not easy to damage.

Description of drawings

Below in conjunction with accompanying drawing and embodiment the utility model is further described.

Fig. 1 is the structural representation of the preferred embodiment of the present utility model;

Fig. 2 is a sectional view of the utility model;

Fig. 3 is the structural representation of the runner of the present utility model;

Fig. 4 is a schematic diagram of the structure of the mother and son groove of the present invention.

Among them: 1. Heat-absorbing plate core, 2. Header, 3. Frame, 4. Back plate, 5. Cover plate, 6. Runner, 7. Mother and child grooves, 8. Heat-absorbing fins.

Detailed ways

Now in conjunction with accompanying drawing and preferred embodiment the utility model is described in further detail. These drawings are all simplified schematic diagrams, and only schematically illustrate the basic structure of the utility model, so they only show the configurations related to the utility model.

A whole-board high-efficiency solar collector as shown in Figure 1 includes a heat-absorbing plate core 1, a header 2, a frame 3, a back plate 4 and a glass cover plate 5, and a cover plate is installed on the surface of the heat-absorbing plate core 1 5. The cover plate 5 adopts a glass cover plate, the back of the heat-absorbing plate core 1 is connected with the back plate 4, the header 2 is fixedly connected with the heat-absorbing plate core 1, and the frame 3 is surrounded by the heat collector, and the frame 3 is made of aluminum alloy Rivetless structure, wherein the heat-absorbing plate core 1 includes flow channels 6 and heat-absorbing fins 8, twelve flow channels 6 are evenly distributed on the heat-absorbing plate core 1, and the flow channels 6 and heat-absorbing fins 8 are drawn Integrate, and the heat-absorbing fins 8 are connected to each other through the mother and son grooves 7 to form a whole board.

The working principle of the whole panel high-efficiency solar collector is as follows: sunlight shines on the heat-absorbing plate core 1 through the cover plate 5 to absorb heat energy through the heat-absorbing fins 8 and transmits to the flow channel 6 . In this way, the cold working fluid entering from the bottom inlet of the heat collector is heated by the solar energy in the flow channel, and the temperature gradually rises, and the heated working medium exits from the upper end of the heat collector and flows into the water storage tank for use.

In the utility model, the flow channel 6 on the heat-absorbing plate core 1 and the heat-absorbing fins 8 are drawn into one body, 360° heat transfer, and the heat conduction performance is higher; the surface of the heat-absorbing fins 8 adopts magnetron sputtering blue state coating technology, the heat absorption rate reaches 95%±2%, the emissivity is lower than 4%, the performance is stable, and the service life is as long as 50 years; the heat absorption plate core 1 is provided with twelve flow channels 6, which changes the traditional absorption The design of only seven flow channels 6 on the heat plate core 1 makes the heat conduction distance from the heat absorbing fin 8 to the flow channel 6 shorter; The heat migration on the surface of the core 1 is lower; the thermal insulation of the heat collector adopts integral foam insulation to ensure less heat loss of the heat collector; the frame 3 made of aluminum alloy of the heat collector is connected without rivets, which makes the whole board stronger Large; the glass cover plate 5 of the heat collector is made of low iron, cloth pattern, tempered glass, high light transmittance and cloth pattern diffuse reflection make the greenhouse effect between the heat absorbing plate core 1 and the glass inner cavity, and the temperature is higher; the tempering makes Higher strength, not easy to damage.

Inspired by the above ideal embodiment according to the utility model, through the above description content, relevant staff can completely make various changes and modifications within the scope of not deviating from the technical idea of the utility model. The technical scope of this utility model is not limited to the content in the description, but must be determined according to the scope of the claims.

Claims (8)

1. A whole board high-efficiency solar heat collector, comprising a heat-absorbing plate core, a header, a frame, a back plate and a cover plate, the surface layer of the heat-absorbing plate core is equipped with a cover plate, and the back of the heat-absorbing plate core The back plate is connected, the header is fixedly connected with the heat-absorbing plate core, and the frame is fixedly installed around the heat collector, and it is characterized in that: the heat-absorbing plate core includes flow channels and heat-absorbing fins, and the The flow channel and the heat-absorbing fins are drawn into one body, and the heat-absorbing fins are connected with each other to form a whole plate. 2. A whole-panel high-efficiency solar heat collector as claimed in claim 1, characterized in that: said heat-absorbing fins are connected by a mother-in-law groove. 3. A whole-panel high-efficiency solar heat collector as claimed in claim 1, characterized in that: twelve flow channels are evenly distributed on the heat-absorbing plate core. 4. A whole-panel high-efficiency solar heat collector as claimed in claim 1, characterized in that: the frame of the heat collector is filled with foam insulation material. 5. A whole-panel high-efficiency solar heat collector as claimed in claim 1, characterized in that: the back of the heat collector is filled with foam insulation material. 6. A whole-panel high-efficiency solar heat collector as claimed in claim 1, characterized in that: the surface of the heat-absorbing fins is coated with blue titanium by magnetron sputtering. 7. A whole-panel high-efficiency solar heat collector as claimed in claim 1, characterized in that: the cover plate is a glass cover plate. 8. A whole-panel high-efficiency solar heat collector as claimed in claim 1, characterized in that: the surface of the cover plate opposite to the heat-absorbing fins is in the shape of a concave-convex pattern.

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