Automobile double-layer air conditioner heat exchanger

Abstract

The utility model provides an automobile double-layer air conditioner heat exchanger, which relates to the technical field of air conditioner heat exchangers and comprises a double-layer sleeve frame, a front heat exchanger and an outer sleeve plate, transverse fixing plates are fixed on the front side and the rear side of the double-layer sleeve frame, and first heat preservation blocks are arranged on the inner side faces of the transverse fixing plates. A left fixing plate and a right fixing plate are fixed to the left side and the right side of the double-layer sleeve frame respectively, a front mounting cavity is formed in the front portion in the double-layer sleeve frame, a front heat exchanger is arranged in the front mounting cavity in a sleeved mode, a rear mounting cavity is formed in the rear portion in the double-layer sleeve frame, and a rear heat exchanger is arranged in the rear mounting cavity in a sleeved mode. Outer sleeve plates are arranged on the front side face and the rear side face of the double-layer sleeve frame correspondingly, and left through holes are formed in the front portion and the rear portion of the left fixing plate correspondingly. A double-layer sleeve frame structure is adopted, a double-layer heat exchanger structure can be conveniently and stably sleeved, the protection is safe and stable, the heat preservation is more comprehensive, the loss of heat is reduced, and the heat exchange efficiency of the equipment is favorably improved.

Description

Technical Field

[0001] The utility model relates to the technical field of air conditioner heat exchangers, and particularly relates to an automotive double-deck air conditioner heat exchanger. Background Art

[0002] Double-deck air-conditioned buses are an important part of urban public transportation. They not only improve transportation efficiency but also enhance the riding experience of passengers. An air conditioner heat exchanger is a key device that plays a crucial role in transferring part of the heat of a hot fluid to a cold fluid. This device is not only applied in air conditioning systems.

[0003] In the specification of a heat exchanger for an electric vehicle heat pump air conditioner in the prior art (publication number CN207006639U), it is mentioned that "it includes a first coaxial manifold and a second coaxial manifold arranged parallel to the first coaxial manifold. Both the first coaxial manifold and the second coaxial manifold include a refrigerant manifold and an antifreeze manifold arranged coaxially. A refrigerant inlet and a refrigerant outlet are provided on the refrigerant manifold of the first coaxial manifold. A refrigerant flow channel partition is provided between the refrigerant inlet and the refrigerant outlet. An antifreeze inlet and an antifreeze outlet are provided on the antifreeze manifold of the first coaxial manifold". However, the prior art adopts a single-layer heat exchanger structure, which not only has low heat exchange efficiency, but also easily loses heat, and it is not easy to protect the heat exchange structure, and it is not stable and practical. Summary of the Utility Model

[0004] To overcome the defects existing in the prior art, the present invention provides an automotive double-deck air conditioner heat exchanger to solve the problems of the prior art adopting a single-layer heat exchanger structure, which not only has low heat exchange efficiency, but also easily loses heat, and it is not easy to protect the heat exchange structure, and it is not stable and practical.

[0005] To achieve the above object, an automotive double-deck air conditioner heat exchanger is provided, which includes a double-layer sleeve frame, a front heat exchanger, and an outer jacket plate. Horizontal fixing plates are fixed on both the front and rear sides of the double-layer sleeve frame. A first heat insulation block is arranged on the inner side surface of the horizontal fixing plate. A left fixing plate and a right fixing plate are respectively fixed on the left and right sides of the double-layer sleeve frame. A front installation cavity is arranged in the front part of the double-layer sleeve frame, and a front heat exchanger is sleeved in the front installation cavity. A rear installation cavity is arranged in the rear part of the double-layer sleeve frame, and a rear heat exchanger is sleeved in the rear installation cavity. Outer jacket plates are arranged on both the front and rear side surfaces of the double-layer sleeve frame.

[0006] Further, left through holes are arranged in both the front and rear parts of the left fixing plate, right through holes are arranged in both the front and rear parts of the right fixing plate, and side fixing frames are fixed in the middle of the inner side surfaces of the left fixing plate and the right fixing plate.

[0007] Further, two groups of inner partitions are fixed in the middle of the inner side surface of the side fixing frame, and multiple groups of second heat insulation blocks are arranged on one side surface of the inner partition. The second heat insulation blocks adopt a high-density sponge block structure.

[0008] Further, support plates are fixed in the middle of the outer side surfaces of the left fixing plate and the right fixing plate, and cushion blocks are arranged at the bottom ends of the support plates.

[0009] Further, multiple groups of fins are arranged in the front heat exchanger, heat exchange tubes are installed in the fins, a water inlet is arranged on the left side surface of the heat exchange tube, the water inlet passes through the corresponding left through hole on the same side, and a water outlet is arranged on the right side surface of the heat exchange tube, the water outlet passes through the corresponding right through hole on the same side. A first notch is arranged between the front parts of two adjacent fins on the left and right, the first heat insulation block is fitted in the first notch, and a second notch is arranged between the rear parts of two adjacent fins on the left and right, and the second heat insulation block is fitted in the second notch.

[0010] Further, the front heat exchanger and the rear heat exchanger are symmetrically arranged front and back with respect to the center line of the double-layer sleeve frame, the structure of the rear heat exchanger is the same as that of the front heat exchanger, and the front heat exchanger and the rear heat exchanger are detachably connected between the double-layer sleeve frames.

[0011] Further, a heat insulation layer is arranged on the inner side of the outer jacket plate, and the heat insulation layer adopts aluminosilicate cotton material.

[0012] The beneficial effects of the present utility model are as follows:

[0013] 1. The settings of the front installation cavity and the rear installation cavity in the double-layer sleeve frame of the present utility model facilitate the stable insertion of the front heat exchanger and the rear heat exchanger. On the one hand, it helps to protect the heat exchanger safely, and on the other hand, better heat insulation treatment is carried out by using the first heat insulation block and the second heat insulation block to reduce heat loss, which helps to improve the heat exchange rate and is more energy-saving and practical.

[0014] 2. The settings of the front heat exchanger and the rear heat exchanger in the present utility model constitute a double-layer heat exchange structure, with better heat exchange effect, convenient and quick assembly, easy disassembly for maintenance and repair, and more convenient and practical.

[0015] 3. The setting of the heat insulation layer in the present utility model enhances the heat insulation intensity, can reduce the cooling of the heat exchanger by the external cold air flow, and is more heat-insulating and practical. Description of the Drawings

[0016] Figure 1 It is a schematic cross-sectional view of an embodiment of the present utility model;

[0017] Figure 2 It is an effect diagram of the double-layer sleeve frame of an embodiment of the present utility model;

[0018] Figure 3 Schematic diagram of the front heat exchanger according to an embodiment of the present utility model;

[0019] Figure 4 Schematic diagram of the outer jacket plate according to an embodiment of the present utility model.

[0020] In the figure: 1. Double-layer sleeve frame; 10. Front installation cavity; 11. Rear installation cavity; 12. Horizontal fixing plate; 13. First heat insulation block; 14. Left fixing plate; 140. Left through hole; 15. Right fixing plate; 150. Right through hole; 16. Side fixing frame; 17. Inner partition board; 18. Second heat insulation block; 19. Support plate; 190. Spacer block; 2. Front heat exchanger; 20. Fins; 21. Heat exchange tubes; 22. First notch; 23. Second notch; 24. Water inlet port; 25. Water outlet port; 3. Rear heat exchanger; 4. Outer jacket plate; 40. Heat insulation layer. Specific embodiments

[0021] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. The specific embodiments described herein are only used to explain the present utility model and are not used to limit the present utility model. Specific details such as specific system structures and technologies are proposed to more thoroughly understand the embodiments of the present utility model. The described embodiments are part of the embodiments of the present disclosure, rather than all of the embodiments. However, those skilled in the art should understand that the present utility model can also be implemented in other embodiments without these specific details. Based on the embodiments in the present disclosure, all other embodiments obtained by those skilled in the art without creative efforts fall within the scope of protection of the present disclosure.

[0022] The following will describe the specific embodiments of the present utility model in detail with reference to the accompanying drawings.

[0023] Figure 1 Cross-sectional schematic diagram according to an embodiment of the present utility model, Figure 2 Effect diagram of the double-layer sleeve frame according to an embodiment of the present utility model, Figure 3 Schematic diagram of the front heat exchanger structure according to an embodiment of the present utility model and Figure 4 Schematic diagram of the outer jacket plate structure according to an embodiment of the present utility model.

[0024] Refer to Figures 1 to 4As shown in the figure, the present utility model provides a double - layer air conditioner heat exchanger for automobiles, including a double - layer sleeve frame 1, a front heat exchanger 2 and an outer jacket plate 4. Horizontal fixed plates 12 are fixed on both the front and rear sides of the double - layer sleeve frame 1. A first heat - insulating block 13 is arranged on the inner side surface of the horizontal fixed plate 12. A left fixed plate 14 and a right fixed plate 15 are respectively fixed on the left and right sides of the double - layer sleeve frame 1. A front installation cavity 10 is arranged in the front part of the double - layer sleeve frame 1, and a front heat exchanger 2 is sleeved in the front installation cavity 10. A rear installation cavity 11 is arranged in the rear part of the double - layer sleeve frame 1, and a rear heat exchanger 3 is sleeved in the rear installation cavity 11. Outer jacket plates 4 are arranged on both the front and rear side surfaces of the double - layer sleeve frame 1.

[0025] In this embodiment, left through - holes 140 are arranged in both the front and rear parts of the left fixed plate 14, and right through - holes 150 are arranged in both the front and rear parts of the right fixed plate 15. Middle parts of the inner side surfaces of the left fixed plate 14 and the right fixed plate 15 are respectively fixed with side fixing frames 16. Middle parts of the inner side surfaces of the side fixing frames 16 are fixed with two groups of inner partition plates 17. Multiple second heat - insulating blocks 18 are arranged on one side surface of the inner partition plate 17. The second heat - insulating blocks 18 adopt a high - density sponge block structure. Middle parts of the outer side surfaces of the left fixed plate 14 and the right fixed plate 15 are respectively fixed with support plates 19, and a cushion block 190 is arranged at the bottom end of the support plate 19.

[0026] As a preferred embodiment, the settings of the front installation cavity 10 and the rear installation cavity 11 in the double - layer sleeve frame 1 of the present utility model facilitate the stable sleeving of the front heat exchanger 2 and the rear heat exchanger 3. On the one hand, it helps to safely protect the heat exchanger. On the other hand, better heat insulation treatment is carried out by using the first heat - insulating block 13 and the second heat - insulating block 18 to reduce heat loss, which helps to improve the heat exchange rate and is more energy - saving and practical.

[0027] In this embodiment, multiple fins 20 are arranged in the front heat exchanger 2. A heat exchange tube 21 is installed in the fins 20. A water inlet port 24 is arranged on the left side surface of the heat exchange tube 21. The water inlet port 24 passes through the corresponding left through - hole 140 on the same side. A water outlet port 25 is arranged on the right side surface of the heat exchange tube 21. The water outlet port 25 passes through the corresponding right through - hole 150 on the same side. A first notch 22 is arranged between the front parts of two adjacent fins 20 on the left and right. The first heat - insulating block 13 is fitted in the first notch 22. A second notch 23 is arranged between the rear parts of two adjacent fins 20 on the left and right. The second heat - insulating block 18 is fitted in the second notch 23. The front heat exchanger 2 and the rear heat exchanger 3 are symmetrically arranged front and back about the center line of the double - layer sleeve frame 1. The structure of the rear heat exchanger 3 is the same as that of the front heat exchanger 2. The front heat exchanger 2 and the rear heat exchanger 3 are detachably connected between the double - layer sleeve frames 1.

[0028] As a preferred embodiment, the front heat exchanger 2 and the rear heat exchanger 3 of the present utility model are arranged to form a double-layer heat exchange structure, which has a better heat exchange effect, is convenient for quick assembly, easy to disassemble for maintenance, and is more convenient and practical.

[0029] In this embodiment, a heat-insulating layer 40 is provided on the inner side of the outer jacket plate 4, and the heat-insulating layer 40 is made of aluminosilicate cotton material.

[0030] As a preferred embodiment, the heat-insulating layer 40 in the present utility model enhances the heat-insulating intensity, can reduce the temperature drop of the heat exchanger caused by the outside cold air flow, and is more heat-insulating and practical.

[0031] The present utility model can effectively solve the problems of the prior art that the single-layer heat exchanger structure not only has low heat exchange efficiency, but also easily loses heat, is not easy to protect the heat exchange structure, and is not stable and practical. The present utility model adopts a double-layer sleeve structure, which is convenient to stably sleeve into the double-layer heat exchange structure, not only provides safe and stable protection for it, but also has more comprehensive heat insulation to reduce the loss of its heat, and helps to improve the heat exchange efficiency of the device.

[0032] The above embodiments are used to explain and illustrate the present utility model, rather than to limit the utility model. Any modifications and changes made to the present utility model within the spirit of the present utility model and the scope of the claimed rights shall be included in the protection scope of the present utility model.

Claims

1. An automotive double-deck air conditioner heat exchanger, characterized in that: It includes a double-layer sleeve frame (1), a front heat exchanger (2) and an outer jacket plate (4). Transverse fixing plates (12) are fixed on both the front and rear sides of the double-layer sleeve frame (1). A first heat-insulating block (13) is arranged on the inner side surface of the transverse fixing plate (12). Left and right fixing plates (14) and (15) are respectively fixed on the left and right sides of the double-layer sleeve frame (1). A front installation cavity (10) is arranged in the front part of the double-layer sleeve frame (1), and a front heat exchanger (2) is sleeved in the front installation cavity (10). A rear installation cavity (11) is arranged in the rear part of the double-layer sleeve frame (1), and a rear heat exchanger (3) is sleeved in the rear installation cavity (11). Outer jacket plates (4) are arranged on both the front and rear side surfaces of the double-layer sleeve frame (1).

2. The automotive double-deck air conditioner heat exchanger according to claim 1, characterized in that, Left through holes (140) are arranged in both the front and rear parts of the left fixing plate (14), and right through holes (150) are arranged in both the front and rear parts of the right fixing plate (15). Side fixing frames (16) are fixed in the middle of the inner side surfaces of the left fixing plate (14) and the right fixing plate (15).

3. The automotive double-deck air conditioner heat exchanger according to claim 2, wherein Two groups of inner partition plates (17) are fixed in the middle of the inner side surface of the side fixing frame (16). Multiple groups of second heat-insulating blocks (18) are arranged on one side surface of the inner partition plate (17). The second heat-insulating block (18) adopts a high-density sponge block structure.

4. The automotive double-deck air conditioner heat exchanger according to claim 1, characterized in that, Support plates (19) are fixed in the middle of the outer side surfaces of the left fixing plate (14) and the right fixing plate (15), and a cushion block (190) is arranged at the bottom end of the support plate (19).

5. The automotive double-deck air-conditioning heat exchanger according to claim 1, wherein Multiple groups of fins (20) are arranged in the front heat exchanger (2). Heat exchange tubes (21) are installed in the fins (20). A water inlet port (24) is arranged on the left side surface of the heat exchange tube (21). The water inlet port (24) passes through the corresponding left through hole (140) on the same side. A water outlet port (25) is arranged on the right side surface of the heat exchange tube (21). The water outlet port (25) passes through the corresponding right through hole (150) on the same side. A first notch (22) is arranged between the front parts of two adjacent left and right fins (20). The first heat-insulating block (13) is fitted in the first notch (22). A second notch (23) is arranged between the rear parts of two adjacent left and right fins (20). The second heat-insulating block (18) is fitted in the second notch (23).

6. The automotive double-deck air-conditioning heat exchanger according to claim 1, wherein, The front heat exchanger (2) and the rear heat exchanger (3) are symmetrically arranged front and rear with respect to the center line of the double-layer sleeve frame (1). The structure of the rear heat exchanger (3) is the same as that of the front heat exchanger (2). The front heat exchanger (2) and the rear heat exchanger (3) are detachably connected between the double-layer sleeve frames (1).

7. The automotive double-deck air conditioner heat exchanger according to claim 1, characterized in that, A heat-insulating layer (40) is arranged on the inner side of the outer jacket plate (4). The heat-insulating layer (40) adopts a material of aluminum silicate cotton.

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