A heat exchanger
By setting angled manifolds and flat tube structures in the heat exchanger, combined with fins and side plates, the problem of uneven surface temperature in multi-channel heat exchangers is solved, achieving uniform heat dissipation and efficient heat exchange under different air outlet directions, simplifying production and reducing costs.
Patent Information
- Application Number
- CN202423216012.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-25
- Publication Date
- 2025-11-25
- Estimated Expiration
- 2034-12-25
AI Technical Summary
Existing multi-channel heat exchangers in air conditioning and refrigeration systems suffer from high manufacturing costs for bent tubes, resulting in poor ventilation performance and uneven surface temperature distribution, making them unsuitable for different airflow directions.
The system employs a first, second, and third manifold arranged in parallel. The first flat tube and the second manifold, as well as the second flat tube and the third manifold, are set at an angle. The water inlet pipe is located on the second manifold in the middle. The refrigerant flows from the middle tube to both sides, shortening the length of the flat tube and reducing the temperature difference. Combined with the fin and side plate structure, the air volume and air direction are optimized.
It achieves uniform heat dissipation on the heat exchanger surface under different installation spaces, reduces temperature difference, improves heat dissipation efficiency, simplifies production process, reduces costs, and expands the scope of application.
Smart Images
Figure CN223596644U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to heat exchange technical field especially relates to a heat exchanger. BACKGROUND
[0002] In the current technology, the multi-channel heat exchanger has been widely used in air conditioning refrigeration system. The multi-channel heat exchanger comprises heat exchange pipes and fins installed on the outer side of the heat exchange pipes. The refrigerant exchanges heat with the air flowing through the fins through the heat exchange pipes. The heat exchange pipes comprise a plurality of refrigerant channels arranged at intervals. The multi-channel heat exchanger further comprises a header pipe. The header pipe is in communication with the heat exchange pipes. The refrigerant can enter the plurality of heat exchange pipes through the header pipe, or enter the header pipe from the plurality of heat exchange pipes.
[0003] Due to the high manufacturing cost of the bent pipe, the heat exchange pipe is usually in the form of a straight pipe. For the air outlets arranged at different positions or in different directions, a single heat exchanger cannot achieve good ventilation effect, resulting in uneven surface temperature distribution of the multi-channel heat exchanger.
[0004] Therefore, there is an urgent need for a heat exchanger to solve the above problems. SUMMARY
[0005] The utility model discloses a heat exchanger which can exchange heat corresponding to different air outlet directions and ensure the uniformity of heat exchange.
[0006] To achieve this purpose, the utility model adopts the following technical scheme:
[0007] A heat exchanger is provided, comprising:
[0008] The first header pipe, the second header pipe and the third header pipe are arranged in parallel. The second header pipe is arranged at intervals with the first header pipe and the third header pipe. The first header pipe comprises a first water outlet pipe. The second header pipe comprises a water inlet pipe. The third header pipe is provided with a second water outlet pipe. The plane where the first header pipe and the second header pipe are located is arranged at an angle with the plane where the second header pipe and the third header pipe are located.
[0009] The first flat pipe is in communication between the first header pipe and the second header pipe.
[0010] The second flat pipe is in communication between the second header pipe and the third header pipe.
[0011] As an optional scheme of the heat exchanger, the water inlet pipe, the first water outlet pipe and the second water outlet pipe are located on the same side of the heat exchanger.
[0012] As an alternative to the heat exchanger, the second header is provided with a first partition plate, the water inlet pipe and the first water outlet pipe are located on different sides of the heat exchanger, the first header is provided with a second partition plate; and / or, the water inlet pipe and the second water outlet pipe are located on different sides of the heat exchanger, and the third header is provided with a third partition plate.
[0013] As an alternative to the heat exchanger, the heat exchanger further comprises fins, a plurality of first flat tubes are provided, and a plurality of the first flat tubes are arranged in parallel, and the fins are connected between two adjacent first flat tubes; and / or, a plurality of second flat tubes are provided, and a plurality of the second flat tubes are arranged in parallel, and the fins are connected between two adjacent second flat tubes.
[0014] As an alternative to the heat exchanger, the heat exchanger further comprises a plurality of side plates, two side plates are connected between the first header and the second header, and the first flat tube is arranged between the two side plates;
[0015] And / or, two side plates are connected between the second header and the third header, and the second flat tube is arranged between the two side plates.
[0016] As an alternative to the heat exchanger, a plurality of first channels are provided in the first flat tube.
[0017] As an alternative to the heat exchanger, a plurality of second channels are provided in the second flat tube.
[0018] As an alternative to the heat exchanger, the first header further comprises a first main pipe, the first main pipe comprises a first main plate and a second main plate, and the first flat tube is connected to the second main plate and communicates with the first main pipe.
[0019] As an alternative to the heat exchanger, the second header further comprises a second main pipe, the second main pipe comprises a third main plate and a fourth main plate, the first flat tube is connected to the third main plate, and the second flat tube is connected to the fourth main plate.
[0020] As an alternative to the heat exchanger, the third header further comprises a third main pipe, the third main pipe comprises a fifth main plate and a sixth main plate, and the second flat tube is connected to the fifth main plate.
[0021] The beneficial effects of the utility model are as follows:
[0022] The utility model provides a kind of heat exchanger, by first header and second header are arranged in a plane, second header and third header are arranged in another plane, and two planes are arranged at angle, so that first flat tube and second flat tube can be respectively with different direction air outlet corresponding arrangement, this heat exchanger when adapting different installation space, can guarantee the uniformity of heat exchanger surface heat dissipation.In addition, by the water inlet pipe is arranged on the second header in middle, so that refrigerant can flow from second header to first header and third header on two sides, shorten the length of first flat tube and second flat tube, reduce the temperature difference of first flat tube and second flat tube two ends, and then improve heat exchanger surface temperature difference. BRIEF DESCRIPTION OF DRAWINGS
[0023] Fig. 1 It is the first structure schematic view of heat exchanger provided by the utility model;
[0024] Fig. 2 It is the second structure schematic view of heat exchanger provided by the utility model.
[0025] In the figure:
[0026] 100, first header;110, first water outlet pipe;120, first main pipe line;121, first main plate;122, second main plate;
[0027] 200, second header;210, water inlet pipe;220, second main pipe line;221, third main plate;222, fourth main plate;
[0028] 300, third header;310, second water outlet pipe;320, third main pipe line;321, fifth main plate;322, sixth main plate
[0029] 400, first flat tube;500, second flat tube;600, fin;700, edge plate. DETAILED DESCRIPTION
[0030] The utility model makes further detailed description in combination with drawing and embodiment. It can be understood that the specific embodiment described here is only used to explain the utility model, and is not limited to the utility model. In addition, it needs to be explained that, for convenient description, only relevant part in the drawing is shown instead of all structure.
[0031] In the description of the utility model, unless another definite provision and limitation, the term "link", "connect", "fix" should be broad sense understanding, for example, can be fixed connection, also can be detachable connection, or be integrated;Can be mechanical connection, also can be electrical connection;Can be directly connected, also can be indirectly connected through the intermediate medium, can be two elements inside the communication or two element's mutual action relation.For the ordinary skill in the art, the above-mentioned terms can be understood according to the specific meaning of the utility model.
[0032] In the utility model, unless another definite provision and limitation, the first feature is "on" or "under" the second feature can include the first and second features direct contact, also can include the first and second features are not direct contact but contact through the additional feature between them.Moreover, the first feature is "on", "above" and "on" the second feature includes the first feature is directly above and obliquely above the second feature, or just indicates that the horizontal height of the first feature is higher than the second feature.The first feature is "under", "below" and "under" the second feature includes the first feature is directly below and obliquely below the second feature, or just indicates that the horizontal height of the first feature is less than the second feature.
[0033] In the description of the embodiment, the terms "on", "under", "right", etc. Orientation or positional relationship based on the orientation or positional relationship shown in the drawing, just for the convenience of description and simplification of operation, and not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore cannot be understood as a limitation on the utility model.In addition, the terms "first", "second" are just used to distinguish in the description, and have no special meaning.
[0034] As Figs. 1-2 Indicated, the heat exchanger of the embodiment includes the first header 100, the second header 200 and the third header 300 arranged in parallel, the second header 200 is spaced apart from the first header 100 and the third header 300, the first header 100 includes the first water outlet pipe 110, the second header 200 includes the water inlet pipe 210, the third header 300 is provided with the second water outlet pipe 310 the plane where the first header 100 and the second header 200 are located and the plane where the second header 200 and the third header 300 are located are arranged at an angle;It also includes the first flat tube 400 and the second flat tube 500, the first flat tube 400 is communicated between the first header 100 and the second header 200.The second flat tube 500 is communicated between the second header 200 and the third header 300.
[0035] Based on the above design, the first header pipe 100 and the second header pipe 200 are arranged in one plane, the second header pipe 200 and the third header pipe 300 are arranged in another plane, and the two planes are arranged at an angle, that is, on the projection plane perpendicular to the second header pipe 200, the first flat tube 400 and the second flat tube 500 are arranged at an angle, so that the first flat tube 400 and the second flat tube 500 can be arranged corresponding to different directions of the air outlet respectively, ensuring that the heat exchanger can adapt to different installation spaces and ensure the uniformity of heat dissipation on the surface of the heat exchanger. At the same time, according to the heat dissipation requirements of different positions, the air volume of different air outlets can be controlled, so as to adjust the heat dissipation efficiency of the first flat tube 400 and the second flat tube 500, and avoid waste of energy.
[0036] It can be understood that by arranging the water inlet pipe 210 on the second header pipe 200 in the middle, and arranging the first water outlet pipe 110 and the second water outlet pipe 310 on the first header pipe 100 and the third header pipe 300 respectively, the refrigerant can flow from the second header pipe 200 to the first header pipe 100 and the third header pipe 300 on both sides, the length of the first flat tube 400 and the second flat tube 500 is shortened, thereby reducing the temperature difference at both ends of the first flat tube 400 and the second flat tube 500, and improving the uniformity of the surface temperature distribution of the heat exchanger, thereby improving the user experience.
[0037] Optionally, a plurality of first channels are arranged in the first flat tube 400, and a plurality of second channels are arranged in the second flat tube 500. According to the heat dissipation requirements of different positions, the number of first channels and second channels can be flexibly adjusted. In each first flat tube 400 and second flat tube 500, the number of first channels and the number of second channels can be set to the same number or different numbers, further improving the adaptability of the heat exchanger to different scenes and expanding the application range of the heat exchanger.
[0038] Further, the first header pipe 100 further comprises a first main pipe 120, the first main pipe 120 comprises a first main plate 121 and a second main plate 122 connected in a sealed manner, and the first flat tube 400 is connected to the second main plate 122 and communicates with the first main pipe 120, so that when manufacturing the first main pipe 120, the manufacturing structure is changed from a pipe structure to an arc-shaped plate structure, simplifying the production process, improving the production efficiency, and reducing the production cost. Optionally, the first main plate 121 and the second main plate 122 can be connected by welding, buckling, bonding or the like, which will not be described here.
[0039] Further, the second manifold 200 further comprises a second main pipe 220, the second main pipe 220 comprises a third main plate 221 and a fourth main plate 222, the first flat tube 400 is connected to the third main plate 221 and communicates with the second main pipe 220, and the second flat tube 500 is connected to the fourth main plate 222 and communicates with the second main pipe 220, so as to simplify the production process of the second manifold 200. Alternatively, the third main plate 221 and the fourth main plate 222 can be connected by welding, buckling, bonding or the like, which will not be described herein.
[0040] Further, the third manifold 300 further comprises a third main pipe 320, the third main pipe 320 comprises a fifth main plate 321 and a sixth main plate 322, the second flat tube 500 is connected to the fifth main plate 321 and communicates with the third main pipe 320, so as to simplify the production process of the third manifold. Alternatively, the fifth main plate 321 and the sixth main plate 322 can be connected by welding, buckling, bonding or the like, which will not be described herein.
[0041] As a preferred, the first main plate 121 and the sixth main plate 322 can be provided with the same structure, the second main plate 122, the third main plate 221, the fourth main plate 222 and the fifth main plate 321 can be provided with the same structure, so as to further reduce the production complexity and improve the production efficiency.
[0042] Further, the heat exchanger can further comprise a plurality of side plates 700, two side plates 700 are connected between the first manifold 100 and the second manifold 200, and the first flat tube 400 is arranged between the two side plates 700; or two side plates 700 are connected between the second manifold 200 and the third manifold 300, and the second flat tube 500 is arranged between the two side plates 700; or two side plates 700 are connected between the first manifold 100 and the second manifold 200, and another two side plates 700 are connected between the second manifold 200 and the third manifold 300, so as to protect the first flat tube 400 and the second flat tube 500, and improve the structural strength of the heat exchanger and ensure the integrity of the heat exchanger.
[0043] Further, the heat exchanger further comprises a plurality of fins 600, a plurality of first flat tubes 400 are arranged in parallel, and a fin 600 is connected between two adjacent first flat tubes 400; or a plurality of second flat tubes 500 are arranged in parallel, and a fin 600 is connected between two adjacent second flat tubes 500; or fins 600 can be arranged between the plurality of first flat tubes 400 and the plurality of second flat tubes 500.
[0044] The fins 600 are arranged to make the heat of the refrigerant transferred to the fins 600 through the first flat tubes 400 or the second flat tubes 500, so that the heat dissipation area of the heat exchanger is enlarged and the heat exchange efficiency is improved.
[0045] In some embodiments, the water inlet pipe 210, the first water outlet pipe 110 and the second water outlet pipe 310 are located at the same side of the heat exchanger, so that the refrigerant can flow into the heat exchanger and be recycled after flowing out, the use of pipes is reduced, the installation space is saved, and the use cost is reduced.
[0046] In some other embodiments, the first partition plate can be arranged in the second collecting pipe 200, the second partition plate can be arranged in the first collecting pipe 100, the water inlet pipe 210 and the first water outlet pipe 110 are located at different sides of the heat exchanger, the first partition plate can block the flow of the refrigerant in the second collecting pipe 200, so that the refrigerant enters the first collecting pipe 100 through part of the first flat tubes 400, the second partition plate can block the flow of the refrigerant in the first collecting pipe 100, so that the refrigerant flows back to the second collecting pipe 200 through part of the first flat tubes 400, and then flows into the first collecting pipe 100 through the remaining part of the first flat tubes 400, so that the refrigerant forms an S-shaped flow route in the second collecting pipe 200, the first flat tubes 400 and the first collecting pipe 100, the flow distance of the refrigerant is prolonged, and the heat dissipation efficiency of the heat exchanger is further improved.
[0047] It can be understood that the water inlet pipe 210 and the second water outlet pipe 310 can be arranged at different sides of the heat exchanger, and the third partition plate can also be arranged in the third collecting pipe 300, and the third partition plate has the same effect as the second partition plate in the first collecting pipe 100, so that the second collecting pipe 200, the second flat tubes 500 and the third collecting pipe 300 form an S-shaped flow route, and the heat dissipation efficiency is improved.
[0048] Obviously, the above embodiments of the present application are only examples for clearly illustrating the present application, and are not intended to limit the embodiments of the present application. Based on the above description, other different forms of changes or variations can be made by those skilled in the art. Here, all the embodiments are not required to be exhausted. Any modification, equivalent replacement and improvement made within the spirit and principle of the present application shall be included in the protection scope of the claims of the present application.
Claims
1. A heat exchanger, characterized by, The heat exchanger comprises: a first header pipe (100), a second header pipe (200) and a third header pipe (300) arranged in parallel, the second header pipe (200) is arranged spaced apart from the first header pipe (100) and the third header pipe (300), the first header pipe (100) comprises a first water outlet pipe (110), the second header pipe (200) comprises a water inlet pipe (210), the third header pipe (300) is provided with a second water outlet pipe (310), the plane where the first header pipe (100) and the second header pipe (200) are located is arranged at an angle with the plane where the second header pipe (200) and the third header pipe (300) are located; a first flat pipe (400) which is communicated between the first header pipe (100) and the second header pipe (200); a second flat pipe (500) which is communicated between the second header pipe (200) and the third header pipe (300).
2. The heat exchanger of claim 1, wherein The water inlet pipe (210), the first water outlet pipe (110) and the second water outlet pipe (310) are located on the same side of the heat exchanger.
3. The heat exchanger of claim 1, wherein A first partition plate is arranged in the second header pipe (200), the water inlet pipe (210) and the first water outlet pipe (110) are located on different sides of the heat exchanger, a second partition plate is arranged in the first header pipe (100); And / or, the water inlet pipe (210) and the second water outlet pipe (310) are located on different sides of the heat exchanger, a third partition plate is arranged in the third header pipe (300).
4. The heat exchanger of claim 1, wherein The heat exchanger further comprises fins (600), a plurality of first flat pipes (400) are arranged, and the plurality of first flat pipes (400) are arranged in parallel, the fins (600) are connected between two adjacent first flat pipes (400); And / or, a plurality of second flat pipes (500) are arranged, and the plurality of second flat pipes (500) are arranged in parallel, the fins (600) are connected between two adjacent second flat pipes (500).
5. The heat exchanger of claim 1, wherein The heat exchanger further comprises edge plates (700), a plurality of edge plates (700) are arranged, two edge plates (700) are connected between the first header pipe (100) and the second header pipe (200), and the first flat pipe (400) is arranged between the two edge plates (700); And / or, two edge plates (700) are connected between the second header pipe (200) and the third header pipe (300), and the second flat pipe (500) is arranged between the two edge plates (700).
6. The heat exchanger of claim 1, wherein A plurality of first channels are arranged in the first flat pipe (400).
7. The heat exchanger of claim 1, wherein A plurality of second channels are arranged in the second flat pipe (500).
8. The heat exchanger of claim 1, wherein The first header pipe (100) further comprises a first main pipe (120), the first main pipe (120) comprises a first main plate (121) and a second main plate (122), and the first flat pipe (400) is connected to the second main plate (122) and communicated with the first main pipe (120).
9. The heat exchanger of claim 1, wherein The second manifold (200) further comprises a second main pipe (220), the second main pipe (220) comprises a third main plate (221) and a fourth main plate (222), the first flat tube (400) is connected to the third main plate (221), and the second flat tube (500) is connected to the fourth main plate (222).
10. The heat exchanger of claim 1, wherein The third manifold (300) further comprises a third main pipe (320), the third main pipe (320) comprises a fifth main plate (321) and a sixth main plate (322), and the second flat tube (500) is connected to the fifth main plate (321).