CN217504024U

CN217504024U - Nonmetal solar flat plate collector with phase change heat storage structure

Info

Publication number: CN217504024U
Application number: CN202221556493.3U
Authority: CN
Inventors: 樊智达; 王媛哲; 许肖飞
Original assignee: Suun Power Co ltd
Current assignee: Suun Power Co ltd
Priority date: 2022-06-21
Filing date: 2022-06-21
Publication date: 2022-09-27
Anticipated expiration: 2032-06-21

Abstract

The utility model discloses a non-metal solar flat plate collector with a phase change heat storage structure, which comprises an external frame, wherein the external frame is provided with a horizontal bottom plate and vertical baffles arranged at two sides of the horizontal bottom plate; a plurality of longitudinal rib plates are arranged on the upper surface of the horizontal bottom plate in parallel along the direction parallel to the vertical baffle plate, and a plurality of transverse rib plates are arranged on the upper surface of the horizontal bottom plate in parallel along the direction vertical to the vertical baffle plate; filling a phase change material on the horizontal bottom plate; a plurality of screens have been seted up at the top edge of every horizontal floor, and each screens sets up in succession, and every screens is half-circular arc, and the one-to-one has placed the nonmetal thermal-collecting tube that is used for collecting solar energy on each screens, and the internal diameter size of screens and the external diameter size phase-match of nonmetal thermal-collecting tube for make the outer wall of adjacent nonmetal thermal-collecting tube contact. The problem of the compound structure of the tube bank of current nonmetal heat collection plate and phase change material with high costs, difficult dismantlement change is solved.

Description

Nonmetal solar flat plate collector with phase change heat storage structure

Technical Field

The utility model belongs to the technical field of solar thermal energy utilizes, concretely relates to nonmetal solar flat plate collector with phase transition heat-retaining structure.

Background

The non-metal solar flat plate collector utilizes non-metal materials as the material of the heat collecting plate. The current research realizes that the thermal performance of the heat collecting plate reaches the level of a metal heat collector by optimizing the structure of the heat collecting plate. However, in actual operation, the nonmetal solar flat plate collector has low thermal efficiency due to large heat loss caused by unstable factors such as environment and the like. In order to absorb more solar radiation energy as much as possible, in recent years, researchers have proposed the concept of a phase-change energy storage type heat collector, so that the heat collector can theoretically accumulate more heat than a common heat collector. Compared with the traditional tube plate structure, the tube row structure of the nonmetal heat collecting plate is not flat, if the direct filling is carried out, the filling integrity and the uniformity are difficult to ensure, the filling of the foam metal composite phase change material is high in cost, and the whole structure is not easy to disassemble and replace.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a nonmetal solar flat plate collector with phase transition heat-retaining structure to solve the problem that the bank of tubes of current nonmetal heat-collecting plate and phase change material's composite construction are with high costs, difficult dismantlement is changed.

The utility model adopts the following technical scheme: a non-metal solar flat plate collector with a phase change heat storage structure comprises an external frame, wherein the external frame is provided with a horizontal bottom plate and vertical baffles arranged on two sides of the horizontal bottom plate; a plurality of longitudinal rib plates are arranged on the upper surface of the horizontal bottom plate in parallel along the direction parallel to the vertical baffle plate, and a plurality of transverse rib plates are arranged on the upper surface of the horizontal bottom plate in parallel along the direction vertical to the vertical baffle plate;

filling a phase change material on the horizontal bottom plate; a plurality of screens have been seted up at the top edge of every horizontal floor, and each screens sets up in succession, and every screens is half-circular arc, and the one-to-one has placed the nonmetal thermal-collecting tube that is used for collecting solar energy on each screens, and the internal diameter size of screens matches with the external diameter size of nonmetal thermal-collecting tube for make the outer wall of adjacent nonmetal thermal-collecting tube contact.

Furthermore, a sealing gasket is arranged between each clamping position and the non-metal heat collecting pipe.

Furthermore, the top of the longitudinal rib plate is not contacted with the bottom of the non-metal heat collecting pipe.

Furthermore, a filler inlet for placing the phase change material is formed in the vertical baffle.

The beneficial effects of the utility model are that: the heat collecting pipe is made of non-metal materials, and the performance of the heat collecting pipe reaches the performance level of a metal heat collector through structural optimization. The phase-change heat storage structure utilizes the transverse rib plate as a support body, so that the bottom of the heat collecting tube plate is in contact with the phase-change material, and meanwhile, the longitudinal ribs are arranged along the direction of the heat collecting tube, so that the heat exchange strengthening effect can be achieved.

Drawings

Fig. 1 is a schematic structural view of a non-metal solar flat plate collector with a phase-change heat storage structure according to the present invention;

fig. 2 is the utility model relates to a structural schematic diagram of nonmetal solar flat plate collector with phase transition heat-retaining structure when not placing nonmetal thermal-collecting tube.

Wherein, 1, the non-metal heat collecting pipe; 2. sealing gaskets; 3. a transverse rib plate; 4. a filler inlet; 5. a longitudinal rib; 6. the outer frame, 61 horizontal bottom plate, 62 vertical baffle, 7 phase change material.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings and specific embodiments.

The utility model provides a non-metal solar flat plate collector with a phase change heat storage structure, as shown in figures 1 and 2, comprising an external frame 6, wherein the external frame 6 is provided with a horizontal bottom plate 61 and vertical baffle plates 62 arranged at two sides of the horizontal bottom plate 61; the upper surface of the horizontal bottom plate 61 is provided with a plurality of longitudinal ribs 5 in parallel along the direction parallel to the vertical baffle plate 62, and the upper surface of the horizontal bottom plate 61 is provided with a plurality of transverse ribs 3 in parallel along the direction perpendicular to the vertical baffle plate 62. The two outermost ones of the transverse ribs 3 and the two outermost ones of the vertical ribs 62 enclose a closed space on the upper surface of the horizontal bottom plate 61.

Filling the phase change material 7 on the horizontal bottom plate 61; every a plurality of screens, each have been seted up at the top edge of horizontal floor 3 the screens sets up in succession, each the placing of one-to-one on the screens is used for collecting solar energy's nonmetal thermal-collecting tube 1, the internal diameter size of screens with nonmetal thermal-collecting tube 1's external diameter size phase-match is used for making adjacent nonmetal thermal-collecting tube 1's outer wall contacts.

After the plurality of non-metal heat collecting pipes 1 are placed on the transverse rib plates 3, the non-metal heat collecting pipes are in close contact with each other, and the function of an upper cover can be formed at the top of the phase-change material 7, so that the phase-change material 7 is sealed, and the energy storage and heat exchange effects are better. The non-metal heat collecting tube 1 can be directly sleeved on the phase change heat storage structure, does not need additional auxiliary equipment, and can structurally form a whole with the non-metal heat collecting plate.

As shown in fig. 1, a non-metal solar flat plate collector with a phase change heat storage structure is composed of an external frame 6, an internal transverse rib plate 3 and a longitudinal rib plate 5, wherein the cross-sectional shape of the transverse rib plate 3 is consistent with the outer side shape of the transverse cross-section of a non-metal heat collecting tube 1. The transverse rib plate 3 is provided with a supporting nonmetal heat collecting pipe 1 and a dividing heat storage space and also has the function of strengthening heat exchange with the phase-change material 7; the longitudinal ribs 5, like the transverse ribs 3, have the main function of enhancing the longitudinal heat transfer.

In some embodiments, a sealing gasket 2 is disposed between each of the locking parts and the non-metal heat collecting tube 1. The sealing gasket 2 is sleeved at the external connection part of the phase-change material and the sealing gasket, and the sealing gasket can prevent the phase-change material from leaking after being melted;

in some embodiments, the top of the longitudinal rib 5 is not in contact with the bottom of the non-metallic heat collecting tube 1. Different from the transverse ribbed plate 3, the longitudinal ribbed plate 5 does not play a supporting role and is slightly lower than the lowest point of the non-metal heat collecting tube 1 in height, and the installation position is between adjacent semi-arc screens of the transverse ribbed plate 3;

the filling amount of the phase change material 7 is based on the height of the longitudinal rib 5, so that a certain margin is left in the whole filling space, and the deformation of the heat storage space caused by the expansion of the phase change material can be prevented.

In some embodiments, the vertical baffle 62 is opened with a filler inlet for placing the phase change material 7. The filling and the replacement of the phase-change material are convenient.

The utility model discloses a non-metal solar flat plate collector's with phase transition heat-retaining structure application method does: when the illumination condition is good, the solar energy is collected through the non-metal heat collecting tube 1, and is transmitted to the phase change material 7 below through the transverse ribbed plate 3 to store heat. When the illumination condition is not good, the heat exchange medium is introduced into the non-metal heat collecting pipe 1, the phase change material 7 releases heat to heat the heat exchange medium, and the heat exchange medium can be domestic water, heating water and the like.

The utility model discloses a non-metallic solar flat plate collector's thermal-collecting tube with phase transition heat-retaining structure adopts non-metallic material, through configuration optimization, makes its performance reach metal heat collector performance level. The phase-change heat storage structure utilizes the transverse rib plate as a support body, so that the bottom of the heat collection tube plate is in contact with the phase-change material, and meanwhile, the longitudinal ribs are arranged along the direction of the heat collection tube, so that the heat exchange strengthening effect can be achieved.

The non-metal solar flat plate collector with the phase change heat storage structure of the utility model utilizes the efficient phase change heat storage structure to directly contact with the bottom of the non-metal flat plate collector, thereby effectively increasing the heat absorption capacity of the device; the phase-change heat storage structure utilizes components such as transverse ribs and longitudinal ribs, and on one hand, the efficient storage and release of heat at the bottom of the heat collection plate are realized; on the other hand, the heat exchange of the phase-change material is more uniform; the phase-change heat storage structure adopts an independent module design, and has the advantages of simple structure, convenience in mounting and dismounting and the like.

Claims

1. The non-metal solar flat plate collector with the phase change heat storage structure is characterized by comprising an external frame (6), wherein the external frame (6) is provided with a horizontal bottom plate (61) and vertical baffles (62) arranged at two sides of the horizontal bottom plate (61); a plurality of longitudinal rib plates (5) are arranged on the upper surface of the horizontal bottom plate (61) in parallel along the direction parallel to the vertical baffle (62), and a plurality of transverse rib plates (3) are arranged on the upper surface of the horizontal bottom plate (61) in parallel along the direction perpendicular to the vertical baffle (62);

filling the horizontal bottom plate (61) with a phase change material (7); every a plurality of screens have been seted up at the top edge of horizontal floor (3), each the screens sets up in succession, every the screens is half-circular arc, each placing of one-to-one on the screens is used for collecting non-metal heat collecting tube (1) of solar energy, the internal diameter size of screens with the external diameter size phase-match of non-metal heat collecting tube (1) for it is adjacent to make the outer wall of non-metal heat collecting tube (1) contact.

2. The non-metal solar flat plate collector with the phase-change heat storage structure as claimed in claim 1, wherein a sealing gasket (2) is disposed between each clip and the non-metal heat collecting tube (1).

3. The non-metal solar flat plate collector with the phase change heat storage structure as claimed in claim 1 or 2, wherein the top of the longitudinal rib plate (5) is not in contact with the bottom of the non-metal heat collecting tube (1).

4. The non-metal solar flat plate collector with the phase-change heat storage structure as claimed in claim 3, wherein the vertical baffle (62) is provided with a filler inlet for placing the phase-change material (7).