Fin unit and cold storage device

Abstract

The present invention discloses a fin unit and a cold storage device. The fin unit includes: a first fin, a second fin and a cold storage agent containing shell. The cold storage agent containing shell is provided with a cavity with two ends opened. The first fins are respectively arranged in the cavity of the cold storage agent containing shell, and the second fins are respectively arranged on the outside of the cold storage agent containing shell. Heat exchange tube insertion holes are arranged at intervals on the first fins. The first fins are provided with cold storage agent connecting holes connecting the two side portions of the first fins. The cold storage device includes a fin unit, a heat exchange tube, an end plate, an inlet and outlet pipe box, a cold storage agent filling port and a cold storage agent exhaust port. Through the above manner, the fin unit and the cold storage device described in the present invention have a unitized design, are easy to assemble, can quickly store cold, and quickly and evenly release cold, thereby improving the efficiency of releasing cold.

Description

Technical Field

[0001] The invention relates to the field of cold storage devices, and in particular to a fin unit and a cold storage device. Background Art

[0002] The use of cold storage heat exchangers is relatively common. Generally, cold storage heat exchangers are installed inside the cold storage shell in the form of heat exchange tube sleeve fins. The fins expand the heat exchange area, which helps to shorten the cold storage time.

[0003] In actual use, when the cold storage heat exchanger needs to release cooling to the outside air, the heat conduction distance between its outer shell and the internal coolant is far, and the heat transfer effect is not good, resulting in the inability to cool quickly and evenly, which needs to be improved. Summary of the invention

[0004] The main technical problem solved by the present invention is to provide a fin unit and a cold storage device to ensure the cold storage effect and improve the cooling effect.

[0005] In order to solve the above technical problems, a technical solution adopted by the present invention is: to provide a fin unit, including: a first fin, a second fin and a coolant containing shell, the coolant containing shell is provided with a cavity with openings at both ends, the first fins are respectively arranged in the cavity of the coolant containing shell, the second fins are respectively arranged on the outside of the coolant containing shell, the first fins are provided with heat exchange tube insertion holes at intervals, and the first fins are provided with coolant connecting holes connecting the partial cavities on both sides of the first fin.

[0006] In a preferred embodiment of the present invention, the first fin and the second fin adopt an integrated structure.

[0007] In a preferred embodiment of the present invention, the first fin corresponds to the cross section of the cavity and divides the cavity of the refrigerant containing shell into a first cavity and a second cavity located on both sides of the first fin.

[0008] In a preferred embodiment of the present invention, the cavity opening of the coolant accommodating shell is relatively located on both sides of the coolant accommodating shell, the second fins are respectively arranged on the top and bottom of the coolant accommodating shell, and the second fins are respectively parallel to the first fins.

[0009] In a preferred embodiment of the present invention, the refrigerant containing shell adopts a rectangular parallelepiped structure.

[0010] In a preferred embodiment of the present invention, there are multiple refrigerant containing shells, and the multiple refrigerant containing shells are connected in series in sequence.

[0011] To solve the above technical problems, another technical solution adopted by the present invention is: to provide a cold storage device, including: a fin unit, a heat exchange tube, an end plate, an inlet and outlet pipe box, a cold storage agent filling port and a cold storage agent exhaust port, a plurality of cold storage agent containing shells are connected in series in sequence to form a layer of cold storage plate, the heat exchange tube passes through the first fins in the plurality of cold storage agent containing shells in the cold storage plate through the heat exchange tube insertion hole in sequence, the end plates are arranged at both ends of the cold storage plate for sealing, the end plates are provided with through holes corresponding to the heat exchange tubes one by one, the inlet and outlet pipe boxes are respectively arranged on the outside of the end plates, the ends of the heat exchange tubes pass through the corresponding through holes and are connected to the inlet and outlet pipe boxes, the outside of the inlet and outlet pipe boxes are provided with a coolant port, the cold storage agent filling port is arranged on the cold storage agent containing shell at one end of the cold storage plate, and the cold storage agent exhaust port is arranged on the cold storage agent containing shell at the other end of the cold storage plate opposite to the cold storage agent filling port.

[0012] In a preferred embodiment of the present invention, there are multiple cold storage plates, and the multiple cold storage plates are stacked and arranged.

[0013] In a preferred embodiment of the present invention, it also includes an air duct shell, and the cold storage plate is arranged in the air duct shell.

[0014] The beneficial effects of the present invention are as follows: a fin unit and a cold storage device pointed out by the present invention are specially designed with a first fin, a second fin and a cold storage agent containing shell, so as to increase the heat exchange area for rapid cold storage. When storing cold, the coolant enters the cold storage plate from the coolant port of the inlet and outlet pipe box on one side, and the cold amount is transferred to the coolant through the cold storage agent containing shell, the first fin and the surface of the heat exchange tube, so that the coolant inside the cold storage plate is cooled and solidified, and cold storage is completed. When cooling, the second fin and the outer side surface of the cold storage agent containing shell are in contact with the air for heat exchange, and the heat is in contact with the coolant through the first fin and the inner side surface of the cold storage agent containing shell for heat exchange, so that the coolant is heated and melted, the air stability is reduced, the heat transfer effect is good, and the cooling can be carried out quickly and evenly, the wind resistance is small, the structure is compact, and the application range is wide. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative work, among which:

[0016] Figure 1 It is a structural schematic diagram of a preferred embodiment of a fin unit and a cold storage device of the present invention;

[0017] Figure 2 It is a structural schematic diagram of a preferred embodiment of a cold storage plate in a cold storage device of the present invention;

[0018] Figure 3 It is a structural schematic diagram of a preferred embodiment of a cold storage device of the present invention. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present invention are described clearly and completely below. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0020] See also Figure 1~Figure 3 , the embodiment of the present invention includes:

[0021] Embodiment 1:

[0022] like Figure 1 and Figure 2 As shown, a fin unit 3 includes: a first fin 35, a second fin 31 and a coolant accommodating shell 32. In this embodiment, the coolant accommodating shell 32 adopts a rectangular parallelepiped structure, and a cavity with openings at both ends is provided in the coolant accommodating shell 32. The cavity openings of the coolant accommodating shell 32 are relatively located on both sides of the coolant accommodating shell 32. The cavity openings are preferably located at the two end surfaces of the coolant accommodating shell 32 in the width direction, as shown in FIG. Figure 1 As shown, both end surfaces of the refrigerant storage case 32 in the longitudinal direction are sealed.

[0023] The first fins 35 are respectively arranged in the cavity of the coolant containing shell 32. In the present embodiment, the first fins 35 correspond to the cross-section of the cavity and the cavity of the coolant containing shell 32 is divided into a first cavity and a second cavity located on both sides of the first fins 35, thereby ensuring sufficient contact between the first fins 35 and the coolant in the coolant containing shell 32 and improving the heat transfer effect.

[0024] In this embodiment, the first fin 35 is provided with heat exchange tube insertion holes 33 at intervals to facilitate the penetration of the heat exchange tube 4. The first fin 35 is provided with a refrigerant communication hole 34 connecting the first cavity and the second cavity on both sides of the first fin 35 for the circulation of the refrigerant.

[0025] The second fins 31 are respectively arranged on the outside of the coolant containing shell 32. In the present embodiment, the second fins 31 are respectively arranged on the top and the bottom of the coolant containing shell 32, that is, they extend along the thickness direction. The second fins 31 are respectively parallel to the first fins 35, preferably on the same plane, so as to enhance the heat transfer effect between the second fins 31 and the first fins 35.

[0026] In this embodiment, the first fin 35 and the second fin 31 adopt an integrated structure, and the coolant containing shell 32 can adopt an alloy structure integrated with the first fin 35 and the second fin 31 to ensure structural stability. A slot can also be processed on the coolant containing shell 32 to insert the first fin 35 and the second fin 31 and weld them to seal.

[0027] The refrigerant accommodating shell 32 may be single or multiple. When there are multiple refrigerant accommodating shells 32, the multiple refrigerant accommodating shells 32 are connected in series in sequence, and the cavities of adjacent refrigerant accommodating shells 32 are connected by welding to expand the capacity of the refrigerant.

[0028] Embodiment 2:

[0029] A cold storage device includes: a fin unit 3, a heat exchange tube 4, an end plate 2, an inlet and outlet pipe box 1, a cold storage agent filling port 5 and a cold storage agent exhaust port 6. A plurality of cold storage agent containing shells 32 are connected in series in the width direction to form a layer of cold storage plate 7. Adjacent cold storage agent containing shells 32 are welded and fixed, and the structure is firm.

[0030] The heat exchange tubes 4 are passed through the heat exchange tube holes 33 in turn through the first fins 35 in the multiple refrigerant containing shells 32 in the cold storage plate 7, and the end plates 2 are welded to the two ends of the cold storage plate 7 for sealing. The inlet and outlet pipe boxes 1 are respectively arranged on the outside of the end plates 2. The inlet and outlet pipe boxes 1 can adopt a rectangular structure similar to the refrigerant containing shell 32, and are welded and fixed to the end plates 2, and the structure is firm.

[0031] The coolant filling port 5 is arranged on the coolant containing shell 32 at one end of the coolant plate 7, which is convenient for filling the coolant into the coolant containing shell 32 and circulating through the coolant connecting hole 34. The coolant exhaust port 6 is arranged on the coolant containing shell 32 at the other end of the coolant plate opposite to the coolant filling port 5, for exhausting the coolant during filling.

[0032] The end plate 2 is provided with through holes corresponding to the heat exchange tubes 4, so that the ends of the heat exchange tubes 4 can pass through the corresponding through holes and communicate with the inlet and outlet pipe box 1. In this embodiment, the outer circle of the heat exchange tube 4 is welded and fixed to the through holes and sealed to avoid leakage.

[0033] A coolant port 11 is provided on the outside of the inlet and outlet pipe box 1, which facilitates the introduction of the coolant into the inlet and outlet pipe box 1 at one end of the cold storage plate 7, and is introduced into the inlet and outlet pipe box at the other end of the cold storage plate 7 through the heat exchange pipe 4, and finally discharged to circulate the coolant. During cold storage, the coolant enters the cold storage plate 7 from the coolant port 11 of the inlet and outlet pipe box 1 on one side, and the cold amount of the coolant in the heat exchange pipe 4 is transferred to the coolant through the coolant containing shell 32, the first fin 35 and the surface of the heat exchange pipe 4, so that the coolant inside the cold storage plate 7 is cooled and solidified, completing the cold storage.

[0034] There are multiple cold storage plates 7, and multiple cold storage plates 7 are arranged in a stacked manner. In this embodiment, multiple cold storage plates 7 are stacked and arranged in the air duct housing 8, and the second fins 31 extend along the air flow direction of the air duct housing 8 to guide the air flow through the air duct housing 8.

[0035] When cooling, the second fin 31 and the outer side of the refrigerant containing shell 32 are in contact with the passing air for heat exchange, and the heat is exchanged with the refrigerant through the first fin 35 and the inner side of the refrigerant containing shell 32, so that the refrigerant is heated and melted, the air is reduced and stable, the heat transfer effect is good, the cooling can be carried out quickly and evenly, the wind resistance is small, the structure is compact, and the application range is wide.

[0036] In summary, the fin unit and the cold storage device pointed out in the present invention have a unitized design, a compact structure, and flexible assembly, and realize efficient cold storage and cooling, and have high safety in use and a wide range of applications.

[0037] The above are only embodiments of the present invention, and are not intended to limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made using the contents of the present invention specification, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A fin unit, characterized in that: include: A first fin, a second fin and a refrigerant accommodating shell, wherein the refrigerant accommodating shell is provided with a cavity with openings at both ends, the first fins are respectively arranged in the cavity of the refrigerant accommodating shell, the second fins are respectively arranged on the outside of the refrigerant accommodating shell, heat exchange tube insertion holes are arranged at intervals on the first fins, and the first fins are provided with refrigerant connecting holes connecting the partial cavities on both sides of the first fins.

2. The fin unit according to claim 1, characterized in that: The first fin and the second fin adopt an integrated structure.

3. The fin unit according to claim 1, characterized in that: The first fin corresponds to the cross section of the cavity and divides the cavity of the refrigerant containing shell into a first cavity and a second cavity located on both sides of the first fin.

4. The fin unit according to claim 1, characterized in that: The cavity openings of the coolant accommodating shell are relatively located at two sides of the coolant accommodating shell, the second fins are respectively arranged at the top and the bottom of the coolant accommodating shell, and the second fins are respectively parallel to the first fins.

5. The fin unit according to claim 4, characterized in that: The refrigerant storage housing adopts a rectangular parallelepiped structure.

6. A cold storage device, comprising the fin unit according to any one of claims 1 to 5, characterized in that: The heat exchanger is connected in series to form a layer of cold storage plate. The heat exchanger passes through the first fins in the plurality of cold storage housing shells in the cold storage plate through the heat exchanger plug holes in sequence. The end plates are arranged at both ends of the cold storage plate for sealing. The end plates are provided with through holes corresponding to the heat exchanger tubes one by one. The inlet and outlet pipe boxes are respectively arranged on the outside of the end plates. The ends of the heat exchanger tubes pass through the corresponding through holes and are connected to the inlet and outlet pipe boxes. A coolant port is provided on the outside of the inlet and outlet pipe boxes. The cold storage fill port is arranged on the cold storage housing shell at one end of the cold storage plate, and the cold storage exhaust port is arranged on the cold storage housing shell at the other end of the cold storage plate opposite to the cold storage fill port.

7. The cold storage device according to claim 6, characterized in that: There are multiple cold storage plates, and the multiple cold storage plates are stacked and arranged.

8. The cold storage device according to claim 6, characterized in that: It is characterized in that It also includes an air duct shell, in which the cold storage plate is arranged.

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