Anti-freezing solar heat collection plate based on phase change heat storage

Abstract

The utility model discloses an anti-freezing type solar heat collecting plate based on phase change heat storage, which belongs to the technical field of solar water heaters and comprises a main body mechanism and a limiting mechanism, the main body mechanism comprises a shell, a fixing frame is mounted on one side of the interior of the shell, phase change heat storage plates are mounted on one side of the fixing frame at equal intervals, and the phase change heat storage plates are connected with the limiting mechanism. A fixing frame is installed on one side of the interior of the outer shell, a plate core runner pipe is installed on one side of the interior of the fixing frame, guide rails are symmetrically installed on one side of the interior of the outer shell, sliding strips are connected into the guide rails in a sliding mode, and a heat absorption plate is fixedly connected to one sides of the sliding strips. The movable heat absorbing plate and the transparent plate are limited and fixed through the shell, so that the limiting plate can be conveniently detached as required, the transparent plate and the heat absorbing plate can be conveniently detached and maintained, and the plate core runner pipe and the phase change heat storage plate in the shell can be conveniently maintained after the heat absorbing plate and the transparent plate are detached.

Description

Technical Field

[0001] The utility model relates to the technical field of solar water heaters, in particular to an anti-freezing solar heat collecting plate based on phase change heat storage. Background Technique

[0002] A solar collector is a device that converts solar radiant energy into heat energy. Since solar energy is relatively dispersed, it must be concentrated. Therefore, the collector is a key part of various solar energy utilization devices. Due to different uses, the types of collectors and their matching systems are also divided into many kinds. Phase change heat storage is a high-tech energy storage technology based on phase change energy storage materials, which is mainly divided into thermochemical heat storage, sensible heat storage and phase change heat storage;

[0003] Chinese Patent Publication (CN201710280155.9) discloses a phase change heat storage anti-freezing solar collector, which forms an integral body through a phase change heat storage material and a collector, so that the solar collector has high low-temperature resistance and is light in weight and convenient to carry. However, after the existing phase change heat storage solar collector is assembled, when the heat absorber is damaged, the whole needs to be replaced, with high cost, and it is not convenient to disassemble and replace the heat absorber and maintain the inside of the collector. For this reason, an anti-freezing solar heat collecting plate based on phase change heat storage is proposed. Summary of the Invention

[0004] The purpose of the utility model is to provide an anti-freezing solar heat collecting plate based on phase change heat storage to solve the problems raised in the above background technique.

[0005] To achieve the above purpose, the utility model provides the following technical solution: an anti-freezing solar heat collecting plate based on phase change heat storage, including a main body mechanism and a limiting mechanism;

[0006] The main body mechanism includes a housing, a fixing frame is installed on one side inside the housing, a phase change heat storage plate is installed equidistantly on one side of the fixing frame, a plate core flow channel pipe is installed on one side inside the fixing frame, guide rails are symmetrically installed on one side inside the housing, a sliding strip is slidably connected inside the guide rails, a heat absorbing plate is fixedly connected to one side of the sliding strip, and a transparent plate is provided on one side of the heat absorbing plate;

[0007] The limiting mechanism includes a limiting plate, inserting plates are symmetrically and fixedly connected to one side of the limiting plate, inserting holes are symmetrically opened on one side of the housing, the inserting plates are engaged with the housing through the inserting holes, and bolts are threadedly connected to both sides of the housing, and one end of the bolts penetrates through the inserting plates.

[0008] As a further preference of this technical solution: clamping grooves are opened on both sides of the housing, a rubber cover is provided on one side of the bolt, and the rubber cover is engaged with the housing through the clamping groove.

[0009] As a further preference of this technical solution: First waterproof membranes and second waterproof membranes are respectively arranged on two sides of the core flow channel pipe, and one sides of the first waterproof membrane and the second waterproof membrane are fixedly connected to the outer shell.

[0010] As a further preference of this technical solution: A seal is fixedly connected to one side of the outer shell.

[0011] As a further preference of this technical solution: A heat insulation layer is fixedly connected to one inner side of the outer shell.

[0012] As a further preference of this technical solution: Support blocks are fixedly connected to one side of the fixing frame at equal intervals.

[0013] As a further preference of this technical solution: Limiting grooves are arranged at equal intervals on one inner side of the outer shell, and one side of the support block is engaged with the outer shell through the limiting groove.

[0014] As a further preference of this technical solution: The transparent plate is engaged with the outer shell through the seal.

[0015] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0016] 1. In the present utility model, the limiting plate is fixed to one side of the outer shell by the bolts in cooperation with the insertion plate, and the movable heat absorption plate and the transparent plate are limited and fixed by the outer shell, which is convenient for removing the limiting plate when needed to disassemble and maintain the transparent plate and the heat absorption plate, and facilitates the maintenance of the core flow channel pipe and the phase change heat storage plate inside the outer shell after removing the heat absorption plate and the transparent plate;

[0017] 2. In the present utility model, the fixing frame is limited by the support blocks in cooperation with the limiting grooves, thereby enhancing the stability of the fixing frame to prevent the fixing frame from driving the phase change heat storage plate to generate an offset. Description of the Drawings

[0018] Figure 1 It is a schematic structural diagram of a phase change heat storage-based anti-freezing solar heat collector of the present utility model;

[0019] Figure 2 It is a first exploded structural diagram of a phase change heat storage-based anti-freezing solar heat collector of the present utility model;

[0020] Figure 3 It is a second exploded structural diagram of a phase change heat storage-based anti-freezing solar heat collector of the present utility model;

[0021] Figure 4 It is a schematic installation structure diagram of a rubber cover and an outer shell in a phase change heat storage-based anti-freezing solar heat collector of the present utility model.

[0022] In the figure: 10, main body mechanism; 11, outer shell; 12, transparent plate; 13, heat absorption plate; 14, first waterproof film; 15, plate core flow channel pipe; 16, second waterproof film; 17, fixing frame; 18, phase change heat storage plate; 19, heat insulation layer; 31, support block; 32, limit groove; 33, seal; 20, limit mechanism; 21, limit plate; 22, insertion plate; 23, sliding strip; 24, rubber cover; 25, guide rail; 26, jack; 27, card slot; 28, bolt. Specific implementation mode

[0023] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention.

[0024] Embodiment 1

[0025] Please refer to Figures 1 - 4 , the present invention provides a technical solution: an anti-freezing solar heat collecting plate based on phase change heat storage, which is composed of a main body mechanism 10 and a limit mechanism 20.

[0026] The main body mechanism 10 includes an outer shell 11. On one side inside the outer shell 11, there is a fixing frame 17. On one side of the fixing frame 17, phase change heat storage plates 18 are equidistantly distributed and installed. At the bottom of the fixing frame 17, four support blocks 31 are fixedly connected. Four limit grooves 32 are opened at the bottom inside the outer shell 11. The support blocks 31 are engaged with the outer shell 11 through the limit grooves 32, assembling the fixing frame 17 and the outer shell 11 into one body and preventing the fixing frame 17 from offsetting and sliding inside the outer shell 11. On one side inside the fixing frame 17, a plate core flow channel pipe 15 is installed. On one side inside the outer shell 11, guide rails 25 are symmetrically installed. Inside the guide rails 25, sliding strips 23 are slidably connected. On one side of the sliding strips 23, a heat absorption plate 13 is fixedly connected. The heat absorption plate 13 is installed by cooperating the sliding strips 23 with the guide rails 25, so that the heat absorption plate 13 can slide based on the outer shell 11, facilitating the disassembly and replacement of the heat absorption plate 13. On one side of the heat absorption plate 13, there is a transparent plate 12. On one side of the outer shell 11, a seal 33 is fixedly connected. The transparent plate 12 is engaged with the outer shell 11 through the seal 33. The transparent plate 12 is installed through the seal 33 to prevent rain and snow from seeping into the outer shell 11 through the connection between the transparent plate 12 and the outer shell 11.

[0027] In this embodiment, specifically: in order to prevent the leakage of the plate core flow channel pipe 15 from affecting the normal use of the heat absorption plate 13 and the phase change heat storage plate 18, the first waterproof film 14 and the second waterproof film 16 are respectively arranged on both sides of the plate core flow channel pipe 15, and one sides of the first waterproof film 14 and the second waterproof film 16 are fixedly connected to the outer shell 11.

[0028] In this embodiment, specifically: in order to enhance the heat insulation performance inside the outer shell 11, a heat insulation layer 19 is fixedly connected to one side inside the outer shell 11.

[0029] Example 2

[0030] The limiting mechanism 20 includes a limiting plate 21, one side of which is symmetrically fixedly connected with an insert plate 22, one side of the shell 11 is symmetrically provided with an insert hole 26, the insert plate 22 is engaged with the shell 11 through the insert hole 26, both sides of the shell 11 are threadedly connected with bolts 28, one end of the bolt 28 passes through the insert plate 22, the position of the insert plate 22 is fixed by the bolt 28, so that the limiting plate 21 is assembled with the shell 11, and the heat absorbing plate 13 and the transparent plate 12 in the shell 11 are limited by the limiting plate 21.

[0031] In this embodiment, specifically: in order to prevent the bolt 28 from being corroded and unable to be removed, a slot 27 is provided on both sides of the housing 11 , and a rubber cover 24 is provided on one side of the bolt 28 , and the rubber cover 24 is engaged with the housing 11 through the slot 27 .

[0032] Working principle: install the insulation layer 19 into the shell 11, install the phase change heat storage plate 18 into the fixing frame 17, install the fixing frame 17 into the shell 11, insert the support block 31 into the limit groove 32, install the plate core flow channel tube 15, and fix the first waterproof membrane 14 and the second waterproof membrane 16 in the shell 11 during installation, so that the plate core flow channel tube 15 is located between the first waterproof membrane 14 and the second waterproof membrane 16, install the heat absorption plate 13 into the shell 11, slide the slide bar 23 in the guide rail 25, engage the transparent plate 12 with the seal 33, assemble the limit plate 21 and the shell 11, Insert the plug plate 22 into the plug hole 26, fix the plug plate 22 by the bolt 28, fix the position of the limit plate 21, limit the heat absorbing plate 13 and the transparent plate 12 by the limit plate 21, insert the rubber cover 24 into the card slot 27, and protect the bolt 28 from corrosion. When it is necessary to replace the heat absorbing plate 13 or maintain the plate core flow channel tube 15 and the phase change heat storage plate 18, turn the bolt 28 to separate the limit plate 21 from the shell 11, and then you can pull out the heat absorbing plate 13 for replacement, or remove the heat absorbing plate 13 and the transparent plate 12 to maintain the plate core flow channel tube 15 or the phase change heat storage plate 18.

[0033] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An antifreeze solar thermal collector panel based on phase change heat storage, characterized in that: It comprises a main body mechanism (10) and a limiting mechanism (20); The main body mechanism (10) comprises a shell (11), a fixing frame (17) is installed on one side of the interior of the shell (11), phase-change heat storage plates (18) are installed at equal intervals on one side of the fixing frame (17), a plate core flow channel tube (15) is installed on one side of the interior of the fixing frame (17), a guide rail (25) is symmetrically installed on one side of the interior of the shell (11), a slide bar (23) is slidably connected to the interior of the guide rail (25), a heat absorbing plate (13) is fixedly connected to one side of the slide bar (23), and a transparent plate (12) is provided on one side of the heat absorbing plate (13); The limiting mechanism (20) comprises a limiting plate (21), one side of the limiting plate (21) is symmetrically fixedly connected with an inserting plate (22), one side of the housing (11) is symmetrically provided with an inserting hole (26), the inserting plate (22) is engaged with the housing (11) through the inserting hole (26), both sides of the housing (11) are threadedly connected with bolts (28), one end of the bolt (28) passes through the inserting plate (22).

2. The antifreeze solar thermal collector based on phase change heat storage according to claim 1, characterized in that: Both sides of the housing (11) are provided with a clamping groove (27), one side of the bolt (28) is provided with a rubber cover (24), and the rubber cover (24) is clamped with the housing (11) through the clamping groove (27).

3. The antifreeze type solar thermal collector panel based on phase change heat storage according to claim 1, characterized in that: A first waterproof membrane (14) and a second waterproof membrane (16) are respectively provided on both sides of the plate core flow channel tube (15), and one side of the first waterproof membrane (14) and the second waterproof membrane (16) are both fixedly connected to the outer shell (11).

4. The antifreeze solar thermal collector panel based on phase change heat storage according to claim 1, characterized in that: A sealing member (33) is fixedly connected to one side of the housing (11).

5. The antifreeze type solar thermal collector panel based on phase change heat storage according to claim 1, characterized in that: A heat-insulating layer (19) is fixedly connected to one side of the interior of the outer shell (11).

6. The antifreeze type solar thermal collector panel based on phase change heat storage according to claim 1, characterized in that: One side of the fixing frame (17) is fixedly connected with supporting blocks (31) distributed equidistantly.

7. The antifreeze solar thermal collector based on phase change heat storage according to claim 6, characterized in that: Limiting grooves (32) are evenly spaced and arranged on one side of the interior of the shell (11), and one side of the support block (31) is engaged with the shell (11) via the limiting grooves (32).

8. The antifreeze type solar thermal collector panel based on phase change heat storage according to claim 4, characterized in that: The transparent plate (12) is engaged with the housing (11) via a sealing member (33).

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