CN216080439U

CN216080439U - Flat plate type solar heat collector

Info

Publication number: CN216080439U
Application number: CN202122232904.5U
Authority: CN
Inventors: 江广林; 焦青太; 郭库; 李海兵
Original assignee: Sunrain Group Co ltd; Solareast Holdings Co Ltd
Current assignee: Sunrain Group Co ltd; Solareast Holdings Co Ltd
Priority date: 2021-09-15
Filing date: 2021-09-15
Publication date: 2022-03-18
Anticipated expiration: 2031-09-15

Abstract

A flat plate type solar heat collector belongs to the technical field of solar photo-thermal, and comprises a shell, a heat absorbing plate and a plurality of U-shaped runners welded on the back of the heat absorbing plate, wherein a medium inlet and a medium outlet of each U-shaped runner are arranged on the same side of the heat absorbing plate and comprise corresponding reserved pipelines connected with the medium inlet and the medium outlet of each U-shaped runner, and the medium inlet and the medium outlet of each U-shaped runner are connected to the same corresponding reserved pipeline; the reserved pipeline is connected with the medium inlet and the medium outlet of the U-shaped flow channel through the connecting component respectively; the connecting assembly comprises an adapter, a connecting pipeline and a two-way connector, the two-way connector is used for connecting the connecting pipeline with the U-shaped flow channel and is connected with the adapter, and the number of the connecting pipeline and the two-way connector is the same as that of the U-shaped pipeline. The utility model has the advantages that the U-shaped flow passage and the adapter do not need to be welded, so that leakage caused by welding can be avoided, the reliability of a product is improved, and the production time is saved.

Description

Flat plate type solar heat collector

Technical Field

The utility model relates to the technical field of solar photo-thermal, in particular to a flat plate type solar heat collector.

Background

With the continuous development and progress of the solar energy utilization field, the industrial and agricultural application of solar heat collectors is continuously increased, and among numerous solar heat collectors, the most common and practical non-flat plate type solar heat collector belongs to the field of clean energy and the like because of simple structure, good thermal property and low cost; therefore, the method is widely applied to the related fields of life and industry and agriculture.

In the prior art, patent publication No. CN201620913992.1 discloses a serpentine solar heat collecting plate core, which includes a square heat absorbing plate; the back of the square heat absorption plate is provided with a snake-shaped heat exchange tube; the snakelike heat exchange tube and the square heat absorption plate are welded and fixed with each other; a water inlet and a water outlet are respectively formed in two ends of the serpentine heat exchange tube; the water inlet and the water outlet are arranged on the same side of the square heat absorbing plate and are fixedly connected with the square heat absorbing plate; the method has the disadvantages that the mode of the heat exchange tube is only explained, the specific connection mode of the heat exchange tube and the outside is not explained, and the whole technical scheme lacks certain practicability.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem of providing a flat-plate solar collector which can not cause leakage due to welding and can improve the reliability of products aiming at the defects in the prior art.

The utility model aims to solve the technical problem by adopting the following technical scheme, the flat-plate solar collector comprises a shell, a heat absorbing plate and a plurality of U-shaped flow channels welded on the back surface of the heat absorbing plate, wherein a medium inlet and a medium outlet of each U-shaped flow channel are arranged on the same side of the heat absorbing plate, and the flat-plate solar collector is characterized in that: the device comprises a reserved pipeline connected with a medium inlet and a medium outlet of a U-shaped flow channel, wherein the reserved pipeline comprises an inlet pipeline and an outlet pipeline, the medium inlet of each U-shaped flow channel is connected to the same inlet pipeline, and the medium outlet of each U-shaped flow channel is connected to the same outlet pipeline; the reserved pipeline is connected with the medium inlet and the medium outlet of the U-shaped flow channel through the connecting assembly respectively;

coupling assembling includes adapter, connecting tube and is used for the bi-pass that is connected connecting tube and U type runner to connect, reserve the pipeline and pass through the adapter and be connected with connecting tube, the quantity that connecting tube and bi-pass connect is the same with the quantity of U type runner.

The technical problem to be solved by the utility model can be further realized by the following technical scheme, and the number of the U-shaped flow channels is 1-10.

The technical problem to be solved by the utility model can be further realized by the following technical scheme that the heat-insulating layers are arranged on the inner side walls of the bottom plate and the frame of the shell.

The technical problem to be solved by the utility model can be further realized by the following technical scheme that the upper surface of the shell is provided with a light-transmitting cover plate.

Compared with the prior art, the reserved pipeline is connected with the medium inlet and the medium outlet of the U-shaped flow channel through the connecting assembly respectively, and the connecting assembly comprises an adapter, a connecting pipeline and a two-way connector for connecting the connecting pipeline with the U-shaped flow channel; the utility model has the advantages that the U-shaped flow passage and the adapter do not need to be welded, so that leakage caused by welding can be avoided, the reliability of a product is improved, and the production time is saved.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the internal structure of the present invention;

FIG. 3 is an enlarged view of the junction of the U-shaped flow channels.

In the figure: 1. the heat-insulating plate comprises a shell, 2 parts of a light-transmitting cover plate, 3 parts of a heat-absorbing plate, 4 parts of a flow channel, 5 parts of a heat-insulating layer, 6 parts of a bottom plate, 7 parts of a two-way joint, 8 parts of an adapter, 8.1 reserved pipelines and 8.2 connecting pipelines.

Detailed Description

The following further describes particular embodiments of the present invention to facilitate further understanding of the present invention by those skilled in the art, and does not constitute a limitation to the right thereof.

Referring to fig. 1-3, a flat plate solar collector includes a housing, a heat absorbing plate, and a plurality of U-shaped channels welded on the back of the heat absorbing plate, wherein the medium inlet and the medium outlet of the U-shaped channels are arranged on the same side of the heat absorbing plate, which is characterized in that: the device comprises a reserved pipeline connected with a medium inlet and a medium outlet of a U-shaped flow channel, wherein the reserved pipeline comprises an inlet pipeline and an outlet pipeline, the medium inlet of each U-shaped flow channel is connected to the same inlet pipeline, and the medium outlet of each U-shaped flow channel is connected to the same outlet pipeline; the reserved pipeline is connected with the medium inlet and the medium outlet of the U-shaped flow channel through the connecting assembly respectively;

The number of the U-shaped flow channels in this embodiment is 1 to 10.

The bottom plate of the shell and the inner side wall of the frame of the embodiment are provided with heat preservation layers.

The upper surface of the shell of this embodiment is provided with a light-transmitting cover plate.

The shell of the embodiment can be an aluminum profile frame, and corners are connected by metal profiles; the joint between the shell and the cover plate is sealed by a sealing material; the light-transmitting cover plate 2 is made of toughened glass or a sunlight plate with good light transmission, the heat absorbing plate is made of an aluminum plate, a copper plate or a copper-aluminum alloy plate, the surface of the heat absorbing plate is covered with a good heat conductor of a solar energy absorbing layer, and the absorbing layer is a spraying, anodic oxidation or magnetron sputtering spectrum selective absorbing coating and has the function of converting solar energy into heat energy; the U-shaped flow channel is positioned below the heat absorbing plate and made of copper, stainless steel and aluminum, strip metal welded with the heat absorbing plate can be coated outside the pipe in various modes such as welding and the like, the U-shaped flow channel is integrally bent by adopting a bending process, the phenomenon that a welding point is broken and opened due to infirm welding can be avoided, the service life is prolonged, and the U-shaped flow channel is not easy to damage and has the function of taking away heat of the heat absorbing plate through a medium in the flow channel; the number of the U-shaped channels is 1-10 according to the requirement, and the medium inlets and the medium outlets of the U-shaped channels are connected with the adapter through a two-way connector; the inlet and outlet positions of the U-shaped flow channel can be arranged on the periphery or the back of the heat absorption plate core; the U-shaped flow channel and the connecting pipeline are not welded during production, so that leakage caused by welding is avoided, the reliability of the product is improved, and production time is saved; the heat-insulating layer material is a heat-insulating material containing, but not limited to, polyurethane foam, phenolic resin foam, polystyrene foam, polyester cotton, glass cotton and the like; the bottom plate is made of metal plates such as aluminum alloy or color-coated plates, galvanized plates, aluminum-zinc-plated plates and the like; the number of the adapters is 2, the adapters are divided into inlets and outlets, corresponding reserved pipelines are reserved at one end, and connecting pipelines such as threads, light pipes and the like can be made at the other end as required.

Claims

1. The utility model provides a flat plate solar collector, includes shell, absorber plate and welds a plurality of U type runners at the absorber plate back, the medium import and the medium export setting of U type runner are in the same one side of absorber plate, its characterized in that: the device comprises a reserved pipeline connected with a medium inlet and a medium outlet of a U-shaped flow channel, wherein the reserved pipeline comprises an inlet pipeline and an outlet pipeline, the medium inlet of each U-shaped flow channel is connected to the same inlet pipeline, and the medium outlet of each U-shaped flow channel is connected to the same outlet pipeline; the reserved pipeline is connected with the medium inlet and the medium outlet of the U-shaped flow channel through the connecting assembly respectively;

2. A flat panel solar collector according to claim 1, wherein: the number of the U-shaped flow channels is 1 to 10.

3. A flat panel solar collector according to claim 1, wherein: and heat insulation layers are arranged on the inner side walls of the bottom plate and the frame of the shell.

4. A flat panel solar collector according to claim 1, wherein: and a light-transmitting cover plate is arranged on the upper surface of the shell.