Defrosting compact evaporator for automobile air conditioner
By designing a compact evaporator for defrosting for automobile air conditioners and using air-hot air for heating, the problem of low defrosting efficiency caused by frosting in existing automobile evaporators is solved, and the effect of rapid defrosting and improved defrosting efficiency is achieved.
Patent Information
- Application Number
- CN202421385536.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-18
- Publication Date
- 2025-03-21
- Estimated Expiration
- 2034-06-18
AI Technical Summary
Existing automotive evaporators are prone to frosting during use, resulting in low defrosting efficiency and affecting the air conditioner refrigeration effect.
A compact evaporator for defrosting for automobile air conditioners is designed. By using the combination of a first motor, a first lead screw, a first sliding rail, a first moving plate, a second motor, a second lead screw, a second sliding rail, a second moving plate, an evaporator, an air intake cylinder, and a trumpet, it is heated by hot air to quickly defrost.
It realizes rapid defrost, improves defrost efficiency, and ensures the normal operation of the air conditioning system.
Smart Images

Figure CN222651688U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of automobile heat exchange equipment, in particular to a defrostable compact evaporator for automobile air conditioners. Background Art
[0002] The car evaporator is a vital component in the car air-conditioning system. It is responsible for converting the refrigerant from liquid to gas to achieve the cooling effect. The evaporator is an important component in the car air-conditioning refrigeration system. Its main function is to reduce the air temperature by absorbing heat through the evaporation of liquid refrigerant.
[0003] During the use of the automobile evaporator, the fan of the air conditioning system is usually used to blow hot air to the surface of the evaporator to perform heat exchange on the evaporator. After frost forms on the surface of the evaporator, a long period of heat exchange is required to defrost the evaporator. Here we propose a defrostable compact evaporator that can effectively utilize the hot air in the air and speed up the defrosting efficiency. Utility Model Content
[0004] The utility model aims to provide a compact defrostable evaporator for automobile air conditioner to solve the problems raised in the above background technology.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a defrostable compact evaporator for an automobile air conditioner, comprising an evaporator, four groups of first mounting plates are fixedly connected to one side of the evaporator, a first sliding rail is fixedly connected between the first mounting plates on the left and right sides, a first movable plate is slidably connected to the outer side of the first sliding rail, a second mounting plate is fixedly connected to the outer side of the first movable plate, a second sliding rail is fixedly connected between the second mounting plates, a second movable plate is slidably connected to the outer side of the second sliding rail, a mounting box is fixedly connected inside the second movable plate, a control groove is provided inside the mounting box, an air intake cylinder is slidably connected inside the control groove, and a bell mouth is fixedly connected to the side of the air intake cylinder away from the evaporator.
[0006] Preferably, the first movable plate on the upper side is internally threaded with a first lead screw, the first lead screw is rotatably connected to the first mounting plate, the other end of the first lead screw penetrates the first mounting plate and is fixedly connected to a first motor, and the first motor is fixedly connected to the outer side of the first mounting plate.
[0007] Preferably, the second movable plate is internally threaded with a second screw, the bottom of the second screw is rotatably connected to the second movable plate, the top of the second screw penetrates the second movable plate and is fixedly connected to a second motor, and the second motor is fixedly connected to the upper part of the second movable plate.
[0008] Preferably, a fixing plate is fixedly connected between the air intake cylinder and the inner wall of the control groove, two sets of connecting rods are fixedly connected to the side of the fixing plate facing the evaporator, the other end of the connecting rod is fixedly connected to a first swivel, the other end of the first swivel is rotatably connected to a second swivel on the outside, a plurality of opening and closing plates are sleeved inside the first swivel and the second swivel, a plurality of connecting grooves are opened on the outside of the first swivel, a connecting rod is fixedly connected to the outside of the opening and closing plate, and the connecting rod is slidably connected to the inside of the connecting groove.
[0009] Preferably, the second rotating ring is fixedly connected to a gear ring on the side facing the evaporator, the second movable plate is fixedly connected to a connecting ring on the side facing the evaporator, a third motor is fixedly connected to the outer side of the connecting ring, a power end of the third motor penetrates the connecting ring and is fixedly connected to a power gear, and the power gear is meshed with the gear ring.
[0010] Preferably, an infrared detector is fixedly connected to the side of the connecting ring facing the evaporator.
[0011] Compared with the prior art, the beneficial effects of the utility model are:
[0012] 1. The utility model cooperates with a first motor, a first lead screw, a first sliding rail, a first movable plate, a second motor, a second lead screw, a second sliding rail, a second movable plate, an evaporator, an air intake tube, and a bell mouth. The first motor drives the first lead screw to rotate, so that the first mounting plate moves horizontally. The second motor drives the second lead screw to rotate, so that the second movable plate moves up and down. The first movable plate moves left and right along the first sliding rail, and the second movable plate moves up and down along the second sliding rail, so that the second movable plate is transported to any position of the evaporator. The air collects the gas through the bell mouth, and blows the evaporator in a targeted manner through the air intake tube. When the car is running, the hot air flowing through the evaporator can be collected, and the frosted part can be heated in a targeted manner, so as to achieve a rapid defrosting effect.
[0013] 2. The utility model also cooperates with the third motor, the power gear, the gear ring, the second rotating ring, the connecting rod, the connecting groove, the opening and closing piece, the first rotating ring, the opening and closing piece, and the air intake tube. The third motor drives the power gear to rotate, and drives the second rotating ring to rotate through the gear ring. The connecting rod moves along the connecting groove, so that the opening and closing piece moves along the inside of the first rotating ring, so that the opening and closing piece extends and contracts inward, changes the flow area inside the air intake tube, and thus controls the wind speed. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 This is a schematic diagram of the three-dimensional structure of the utility model from the first viewing angle;
[0015] Figure 2 This is a schematic diagram of the filter structure of the utility model from a second viewing angle;
[0016] Figure 3This is a schematic diagram of the rotating shaft structure of the utility model from a third viewing angle.
[0017] In the figure: 1. evaporator; 2. first mounting plate; 3. first motor; 4. first sliding rail; 5. first movable plate; 6. first lead screw; 7. second mounting plate; 8. second motor; 9. second movable plate; 10. second lead screw; 11. second sliding rail; 12. mounting box; 13. control slot; 14. fixing plate; 15. connecting rod; 16. first swivel; 17. second swivel; 18. connecting slot; 19. connecting rod; 20. opening and closing plate; 21. air intake pipe; 22. bell mouth; 23. gear ring; 24. connecting ring; 25. third motor; 26. infrared detector; 27. power gear. DETAILED DESCRIPTION
[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0019] See also Figure 1-3 The utility model provides a technical solution: a defrostable compact evaporator for automobile air conditioner, comprising an evaporator 1, four groups of first mounting plates 2 are fixedly welded on one side of the evaporator 1, a first sliding rail 4 is fixedly welded between the first mounting plates 2 on the left and right sides, a first movable plate 5 is slidably mounted on the outer side of the first sliding rail 4, a second mounting plate 7 is fixedly welded on the outer side of the first movable plate 5, a second sliding rail 11 is fixedly welded between the second mounting plates 7, a second movable plate 9 is slidably connected to the outer side of the second sliding rail 11, the first movable plate 5 moves left and right along the first sliding rail 4, the second movable plate 9 moves up and down along the second sliding rail 11, and the second movable plate 9 is transported to any position of the evaporator 1, a mounting box 12 is fixedly welded inside the second movable plate 9, a control groove 13 is opened inside the mounting box 12, an air intake cylinder 21 is slidably mounted inside the control groove 13, a bell mouth 22 is fixedly welded on the side of the air intake cylinder 21 away from the evaporator 1, air collects gas through the bell mouth 22, and blows the evaporator 1 in a targeted manner through the air intake cylinder 21;
[0020] The first movable plate 5 on the upper side is internally threaded with a first screw 6, and the first screw 6 is rotatably connected to the first mounting plate 2. The other end of the first screw 6 penetrates the first mounting plate 2 and is connected to the first motor 3 by a coupling. The first motor 3 is threadedly installed on the outer side of the first mounting plate 2, and the first motor 3 drives the first screw 6 to rotate, so that the first mounting plate 2 moves laterally; the second movable plate 9 is internally threaded with a second screw 10, and the bottom of the second screw 10 is rotatably connected to the second movable plate 9, and the top of the second screw 10 penetrates the second movable plate 9 and is connected to the second motor 8 by a coupling. The second motor 8 is threadedly connected to the upper part of the second movable plate 9, and the second motor 8 drives the second screw 10 to rotate, thereby driving the second movable plate 9 to move up and down; a fixing plate 14 is fixedly welded between the air intake cylinder 21 and the inner wall of the control groove 13, and two sets of connecting rods 15 are fixedly welded on the fixing plate 14 facing the side of the evaporator 1, and the other end of the connecting rod 15 is fixedly welded with a first swivel 16, so that the first swivel 16 cannot rotate, and the second swivel 16 is rotatably installed on the outer side of the other end The first rotating ring 16 and the second rotating ring 17 are provided with a plurality of opening and closing pieces 20, and a plurality of connecting grooves 18 are provided on the outside of the first rotating ring 16. A connecting rod 19 is fixedly welded on the outside of the opening and closing piece 20, and the connecting rod 19 is slidably installed in the connecting groove 18. By rotating the second rotating ring 17, the connecting rod 19 moves along the connecting groove 18, so that the opening and closing piece 20 moves along the inside of the first rotating ring 16, so that the opening and closing piece 20 extends and contracts inwardly; the second rotating ring 17 is fixedly welded with a gear ring on the side facing the evaporator 1 23. A connecting ring 24 is fixedly welded on the side of the second movable plate 9 facing the evaporator 1. A third motor 25 is threadedly installed on the outer side of the connecting ring 24. The power end of the third motor 25 penetrates the connecting ring 24 and is connected to a power gear 27 through a coupling. The power gear 27 is meshed with the gear ring 23. The third motor 25 drives the power gear 27 to rotate, and drives the second rotating ring 17 to rotate through the gear ring 23. An infrared detector 26 is threadedly connected to the side of the connecting ring 24 facing the evaporator 1 to determine whether the surface of the evaporator 1 is frosted.
[0021] Working principle: When the utility model is in use, the first motor 3 drives the first screw 6 to rotate, so that the first mounting plate 2 moves laterally, the second motor 8 drives the second screw 10 to rotate, and drives the second movable plate 9 to move up and down, the first movable plate 5 moves left and right along the first sliding rail 4, and the second movable plate 9 moves up and down along the second sliding rail 11, and the second movable plate 9 is transported to any position of the evaporator 1, and the air collects the gas through the bell mouth 22, and blows the evaporator 1 in a targeted manner through the air intake cylinder 21, the third motor 25 drives the power gear 27 to rotate, and drives the second rotating ring 17 to rotate through the gear ring 23, and the connecting rod 19 moves along the connecting groove 18, so that the opening and closing piece 20 moves along the inside of the first rotating ring 16, so that the opening and closing piece 20 extends and contracts inward, changes the flow area inside the air intake cylinder 21, and thus controls the wind speed.
[0022] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.
[0023] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A defrostable compact evaporator for an automobile air conditioner, comprising an evaporator (1), characterized in that: Four groups of first mounting plates (2) are fixedly connected to one side of the evaporator (1); a first sliding rail (4) is fixedly connected between the first mounting plates (2) on the left and right sides; a first movable plate (5) is slidably connected to the outer side of the first sliding rail (4); a second mounting plate (7) is fixedly connected to the outer side of the first movable plate (5); a second sliding rail (11) is fixedly connected between the second mounting plates (7); a second movable plate (9) is slidably connected to the outer side of the second sliding rail (11); a mounting box (12) is fixedly connected inside the second movable plate (9); a control groove (13) is provided inside the mounting box (12); an air inlet cylinder (21) is slidably connected inside the control groove (13); and a bell mouth (22) is fixedly connected to the side of the air inlet cylinder (21) away from the evaporator (1).
2. The defrostable compact evaporator for automobile air conditioner according to claim 1, characterized in that: The first movable plate (5) on the upper side is internally threadedly connected to a first lead screw (6), the first lead screw (6) is rotationally connected to the first mounting plate (2), the other end of the first lead screw (6) penetrates the first mounting plate (2) and is fixedly connected to a first motor (3), and the first motor (3) is fixedly connected to the outer side of the first mounting plate (2).
3. The defrostable compact evaporator for automobile air conditioner according to claim 1, characterized in that: The second movable plate (9) is internally threadedly connected to a second lead screw (10); the bottom of the second lead screw (10) is rotatably connected to the second movable plate (9); the top of the second lead screw (10) penetrates the second movable plate (9) and is fixedly connected to a second motor (8); the second motor (8) is fixedly connected to the upper part of the second movable plate (9).
4. The defrostable compact evaporator for automobile air conditioner according to claim 1, characterized in that: A fixing plate (14) is fixedly connected between the air intake cylinder (21) and the inner wall of the control groove (13); two groups of connecting rods (15) are fixedly connected to the side of the fixing plate (14) facing the evaporator (1); the other end of the connecting rod (15) is fixedly connected to a first rotating ring (16); the other end of the first rotating ring (16) is rotatably connected to a second rotating ring (17); a plurality of opening and closing plates (20) are sleeved inside the first rotating ring (16) and the second rotating ring (17); a plurality of connecting grooves (18) are opened on the outside of the first rotating ring (16); a connecting rod (19) is fixedly connected to the outside of the opening and closing plate (20); and the connecting rod (19) is slidably connected to the inside of the connecting groove (18).
5. The defrostable compact evaporator for automobile air conditioner according to claim 4, characterized in that: The second rotating ring (17) is fixedly connected to a gear ring (23) on the side facing the evaporator (1), the second movable plate (9) is fixedly connected to a connecting ring (24) on the side facing the evaporator (1), a third motor (25) is fixedly connected to the outside of the connecting ring (24), a power end of the third motor (25) penetrates the connecting ring (24) and is fixedly connected to a power gear (27), and the power gear (27) is meshed with the gear ring (23).
6. The defrostable compact evaporator for automobile air conditioner according to claim 5, characterized in that: An infrared detector (26) is fixedly connected to the side of the connecting ring (24) facing the evaporator (1).