Double-row flat tube parallel flow condenser for automobile air conditioner
By designing the combination of components such as fan blades, rotating shafts, bent plates, limit plates, etc., the automatic cleaning of the filter is achieved, which solves the problem that condensate cannot flow smoothly and improves the heat exchange efficiency of the condenser.
Patent Information
- Application Number
- CN202421606163.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-09
- Publication Date
- 2025-08-01
- Estimated Expiration
- 2034-07-09
AI Technical Summary
In the parallel flow condenser, the condensate water cannot return smoothly due to impurities adhering to the filter screen, which affects the heat exchange effect.
A double-row flat pipe parallel flow condenser for automobile air conditioners is designed. Through the use of fan blades, rotating shafts, bent plates, limit plates, wave tables, springs and other components, the filter screen is automatically cleaned to prevent impurities from adhering, and the inner wall of the filter screen is cleaned through scrapers.
It effectively prevents the adhesion of impurities on the filter screen, ensures smooth circulation of condensate and improves heat exchange efficiency.
Smart Images

Figure CN223179081U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of automotive heat exchange equipment, in particular to a double-row flat tube parallel flow condenser for automotive air conditioners. Background Technique
[0002] The parallel flow condenser, also known as the cross-flow condenser, works on the principle that the condensing medium and the medium to be cooled flow crosswise in the vertical direction to form a heat exchange effect. Its characteristic is that the cooling medium moves along a straight line or a geometric curve inside the condenser, while the condensing medium flows vertically or obliquely above the cooling medium.
[0003] During the use of the parallel flow condenser, the condensed water returns to the parallel flow condenser after passing through the filter screen of the liquid storage and dryer bottle. Since the connection opening between the parallel flow condenser and the liquid storage and dryer bottle is relatively small, if impurities on the condensed water adhere to the filter screen, it is easy to cause the condensed water to fail to flow back to the parallel flow condenser smoothly, affecting the overall heat exchange. Content of the Utility Model
[0004] The purpose of the utility model is to provide a double-row flat tube parallel flow condenser for automotive air conditioners to solve the problems raised in the above background technique.
[0005] To achieve the above purpose, the utility model provides the following technical solution: A double-row flat tube parallel flow condenser for automotive air conditioners, including a condenser and a filter screen. A protection net is fixedly connected to the upper part of the filter screen. A rotating shaft is rotatably connected to the lower part of the protection net. A fan blade is fixedly connected to the outer side of the upper part of the rotating shaft. A bent plate is slidably connected to the inner side of the upper side of the fan blade. A plurality of groups of striking rods are fixedly connected to one side of the bent plate. Two upper and lower limiting pieces are fixedly connected to the other end of the bent plate. A wave platform is fixedly connected to the inner side of the upper part of the filter screen. The limiting pieces are sleeved on the upper and lower sides of the wave platform. A second sliding rod is slidably connected to the inner part of the middle side of the rotating shaft. One end of the second sliding rod is fixedly connected to the bent plate. The other end of the second sliding rod is fixedly connected to a second fixing piece. A second spring is fixedly connected to one side of the second fixing piece. The second spring is sleeved on the outer side of the second sliding rod. The other end of the second spring is fixedly connected to the rotating shaft.
[0006] Preferably, a rotating track is fixedly connected to the inner side of the middle part of the wave platform. A rotating wheel is rotatably connected between the two limiting pieces. The rotating wheel is rotatably connected to the outer side of the rotating track.
[0007] Preferably, a plurality of communication holes are formed inside the wave platform.
[0008] Preferably, connecting rods are fixedly connected to both sides of the middle part of the rotating shaft. The other ends of the connecting rods are fixedly connected to a rotating platform. Two first sliding rods are slidably connected to the inside of the rotating platform. A scraping plate is fixedly connected to the end of the first sliding rod facing the filter screen.
[0009] Preferably, the other end of the first sliding rod is fixedly connected with a first fixing piece, a first spring is sleeved outside the first sliding rod, and both ends of the first sliding rod are fixedly connected with the first fixing piece and the rotating table respectively.
[0010] Preferably, a liquid storage and drying bottle is fixedly connected to one side of the condenser. A plug cover is threadedly connected to the lower part of the liquid storage and drying bottle. An embedding groove is formed inside the plug cover. The plug cover is threadedly connected with a filter screen through the embedding groove. A connecting cylinder for cooperating with a rotating shaft is fixedly connected to the upper part of the plug cover.
[0011] Compared with the prior art, the beneficial effects of the present utility model are as follows:
[0012] 1. Through the combined use of the fan blade, rotating shaft, bent plate, limiting piece, wave platform, second spring, second fixing piece, striking rod, and filter screen in the present utility model, the condensed water drives the fan blade to rotate, drives the bent plate to rotate through the rotating shaft, the limiting piece moves along the wave platform, enables the bent plate to slide inside the rotating shaft, the second spring pushes the second fixing piece, enables the limiting piece to return to the concave part of the wave platform, realizes the reciprocating movement of the bent plate, enables the striking rod to continuously strike the filter screen, can continuously knock the filter screen, and prevents impurities from adhering to the filter screen and causing the coolant to not flow smoothly;
[0013] 2. The present utility model also realizes the cleaning of the inner wall of the filter screen by the combined use of the rotating shaft, connecting rod, rotating table, first spring, first fixing piece, first sliding rod, scraping plate, and filter screen. The rotation of the rotating shaft drives the rotating table to rotate through the connecting rod, the first spring pulls the first fixing piece, and the scraping plate is closely attached to the filter screen through the first sliding rod. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 is a first - perspective three - dimensional structure schematic diagram of the present utility model;
[0015] Figure 2 is a second - perspective filter screen structure schematic diagram of the present utility model;
[0016] Figure 3 is a third - perspective rotating shaft structure schematic diagram of the present utility model;
[0017] Figure 4 is a fourth - perspective filter screen structure sectional view of the present utility model;
[0018] Figure 5 is a fifth - perspective plug cover structure schematic diagram of the present utility model.
[0019] In the figure: 1, filter screen; 2, rotating shaft; 3, fan blade; 4, connecting rod; 5, rotating table; 6, first sliding rod; 7, first fixing piece; 8, first spring; 9, scraping plate; 10, bent plate; 11, limiting piece; 12, striking rod; 13, wave platform; 14, rotating track; 15, rotating wheel; 16, second sliding rod; 17, second fixing piece; 18, second spring; 19, protection net; 20, communication hole; 21, plug cover; 22, embedding groove; 23, connecting cylinder; 24, condenser; 25, liquid storage and drying bottle. Specific implementation mode
[0020] 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. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.
[0021] Please refer to Figures 1-5 , the present invention provides a technical solution: a double-row flat tube parallel flow condenser for an automobile air conditioner, including a condenser 24 and a filter screen 1. A protection net 19 is fixedly welded to the upper part of the filter screen 1 to prevent the lower structure from being damaged and entering the condenser 24. A rotating shaft 2 is rotatably installed at the lower part of the protection net 19. A fan blade 3 is fixedly welded to the outer side of the upper part of the rotating shaft 2. A bent plate 10 is slidably connected to the inner part of the upper side of the fan blade 3. A plurality of groups of striking rods 12 are fixedly welded to one side of the bent plate 10. Two upper and lower limiting pieces 11 are fixedly welded to the other end of the bent plate 10. A wave platform 13 is fixedly welded to the inner side of the upper part of the filter screen 1. The limiting pieces 11 are sleeved on the upper and lower sides of the wave platform 13. A second sliding rod 16 is slidably connected to the inner part of the middle side of the rotating shaft 2. One end of the second sliding rod 16 is fixedly welded to the bent plate 10. A second fixing piece 17 is fixedly welded to the other end of the second sliding rod 16. A second spring 18 is fixedly welded to one side of the second fixing piece 17. The second spring 18 is sleeved on the outer side of the second sliding rod 16. The other end of the second spring 18 is fixedly welded to the rotating shaft 2. Condensate drives the fan blade 3 to rotate, drives the bent plate 10 to rotate through the rotating shaft 2, the limiting piece 11 moves along the wave platform 13, so that the bent plate 10 slides along the inside of the rotating shaft 2, and the striking rod 12 continuously strikes the filter screen 1. The second spring 18 pushes the second fixing piece 17 to make the limiting piece 11 return to the concave part of the wave platform 13, realizing the reciprocating movement of the bent plate 10;
[0022] Inside the middle part of the wave platform 13, a rotating track 14 is fixedly welded. Between the two limiting pieces 11, a rotating wheel 15 is rotatably installed. The rotating wheel 15 is rotatably installed on the outer side of the rotating track 14, which can prevent the limiting piece 11 from being stuck at the wave platform 13. A number of communicating holes 20 are opened inside the wave platform 13 to ensure the smooth passage of condensed water. On both sides of the middle part of the rotating shaft 2, connecting rods 4 are fixedly welded. At the other end of the connecting rod 4, a rotating platform 5 is fixedly welded. Inside the rotating platform 5, two groups of first sliding rods 6 are slidably connected. At one end of the first sliding rod 6 facing the filter screen 1, a scraping plate 9 is fixedly welded. The rotation of the rotating shaft 2 drives the rotation of the rotating platform 5 through the connecting rod 4, and drives the scraping plate 9 to clean the inner wall of the filter screen 1 through the first sliding rod 6. At the other end of the first sliding rod 6, a first fixing piece 7 is fixedly welded. A first spring 8 is sleeved on the outer side of the first sliding rod 6. Both ends of the first sliding rod 6 are fixedly welded to the first fixing piece 7 and the rotating platform 5 respectively. The first spring 8 pulls the first fixing piece 7 to make the scraping plate 9 closely adhere to the filter screen 1. On one side of the condenser 24, a liquid storage and drying bottle 25 is fixedly welded. At the lower part of the liquid storage and drying bottle 25, a plug cover 21 is threadedly installed. An embedding groove 22 is opened inside the plug cover 21. The plug cover 21 is threadedly connected to the filter screen 1 through the embedding groove 22 for taking out the filter screen 1 to repair the internal structure. At the upper part of the plug cover 21, a connecting cylinder 23 for cooperating with the rotating shaft 2 is fixedly welded to ensure that the rotating shaft 2 remains vertical.
[0023] Working principle: When the utility model is in use, the condensed water drives the fan blade 3 to rotate, drives the bent plate 10 to rotate through the rotating shaft 2, the limiting piece 11 moves along the wave platform 13, makes the bent plate 10 slide inside the rotating shaft 2, and the second spring 18 pushes the second fixing piece 17 to make the limiting piece 11 return to the concave part of the wave platform 13, realizing the reciprocating movement of the bent plate 10, so that the striking rod 12 continuously strikes the filter screen 1. The rotation of the rotating shaft 2 drives the rotation of the rotating platform 5 through the connecting rod 4, and the first spring 8 pulls the first fixing piece 7, and through the first sliding rod 6, the scraping plate 9 closely adheres to the filter screen 1 to clean the inner wall of the filter screen 1.
[0024] It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not expressly listed, or also includes elements inherent to such process, method, article or device.
[0025] Although embodiments of the present utility model have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.
Claims
1. Double-row flat tube parallel flow condenser for automotive air conditioner, comprising a condenser (24) and a filter screen (1), characterized in that: A protective net (19) is fixedly connected to the upper part of the filter net (1). A rotating shaft (2) is rotatably connected to the lower part of the protective net (19). A fan blade (3) is fixedly connected to the outer side of the upper part of the rotating shaft (2). A bent plate (10) is slidably connected to the inner side of the upper side of the fan blade (3). A number of groups of striking rods (12) are fixedly connected to one side of the bent plate (10). Two upper and lower limiting pieces (11) are fixedly connected to the other end of the bent plate (10). A wavy platform (13) is fixedly connected to the inner side of the upper part of the filter net (1). The limiting pieces (11) are sleeved on the upper and lower sides of the wavy platform (13). A second sliding rod (16) is slidably connected to the inner part of the middle side of the rotating shaft (2). One end of the second sliding rod (16) is fixedly connected to the bent plate (10). A second fixing piece (17) is fixedly connected to the other end of the second sliding rod (16). A second spring (18) is fixedly connected to one side of the second fixing piece (17). The second spring (18) is sleeved on the outer side of the second sliding rod (16). The other end of the second spring (18) is fixedly connected to the rotating shaft (2).
2. The double-row flat tube parallel flow condenser for automotive air conditioners according to claim 1, wherein: A rotating track (14) is fixedly connected to the inner side of the middle part of the wavy platform (13). A rotating wheel (15) is rotatably connected between the two limiting pieces (11) on both sides. The rotating wheel (15) is rotatably connected to the outer side of the rotating track (14).
3. The double-row flat tube parallel flow condenser for automotive air conditioners according to claim 1, characterized in that: A number of communicating holes (20) are formed in the wavy platform (13).
4. The double-row flat tube parallel flow condenser for automotive air conditioners according to claim 1, wherein: Connecting rods (4) are fixedly connected to both sides of the middle part of the rotating shaft (2). A rotating table (5) is fixedly connected to the other ends of the connecting rods (4). Two first sliding rods (6) are slidably connected to the inside of the rotating table (5). A scraping plate (9) is fixedly connected to one end of the first sliding rod (6) facing the filter net (1).
5. The double-row flat tube parallel flow condenser for automotive air conditioners according to claim 4, characterized in that: A first fixing piece (7) is fixedly connected to the other end of the first sliding rod (6). A first spring (8) is sleeved on the outer side of the first sliding rod (6). The two ends of the first sliding rod (6) are respectively fixedly connected to the first fixing piece (7) and the rotating table (5).
6. The double-row flat tube parallel flow condenser for automotive air conditioners according to claim 1, wherein: A liquid storage and drying bottle (25) is fixedly connected to one side of the condenser (24). A plug cover (21) is threadedly connected to the lower part of the liquid storage and drying bottle (25). An embedding groove (22) is formed in the plug cover (21). The plug cover (21) is threadedly connected to the filter net (1) through the embedding groove (22). A connecting cylinder (23) for cooperating with the rotating shaft (2) is fixedly connected to the upper part of the plug cover (21).