Automobile air conditioner defrosting device

Abstract

The utility model discloses a defrosting device for automobile air conditioner, and relates to the technical field of automobile air conditioner. It comprises a shell, a heat exchanger body and a mounting frame, three groups of fan blades are arranged on the outer side of the connecting shaft, the top end of the connecting shaft is connected to a mounting shell, the internal assembly of the mounting shell is connected to a positioning plate, and a No. 2 brush is arranged on the top of the positioning plate. In the utility model, by arranging components such as the No. 2 brush, after the operation of the heat exchanger body, the external air enters the interior of the heat exchanger body through the assembly tube, and the flowing air can drive the fan blades to rotate inside the assembly tube, and contact with the air inlet end of the heat exchanger body through the No. 2 brush. The rotation of the fan blades can drive the positioning plate and the No. 2 brush assembled inside the mounting shell to rotate at a fixed point, and the air inlet end of the heat exchanger body can be swept and rotated for defrosting through the No. 2 brush, without the need to use external power components, which not only has low energy consumption, but also has higher reliability.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile air conditioners, in particular to an automobile air conditioner defrosting device. Background Art

[0002] Car air conditioning is a device used to adjust the environment inside the car. Its main function is to control the temperature, humidity, air quality and air circulation status inside the car to provide a comfortable environment inside the car. Car air conditioning is mainly composed of refrigeration system, heating system, ventilation system and control system. With the development of electric vehicles, heat pump air conditioners have gradually begun to be applied to pure electric vehicles. When air source heat pump air conditioners are used for heating in winter, the outdoor heat exchanger is easy to frost. When the frost layer accumulates to a certain thickness, it must be defrosted.

[0003] At present, when using automobile defrosting devices, most of them need to use external power components, such as cylinders or motors to drive the defrosting components to move, so as to defrost the air inlet of the heat exchanger. A significant drawback of using power components for defrosting is high energy consumption, and defrosting of power components may affect the reliability of the automobile. In order to solve this technical problem, the utility model proposes an automobile air conditioner defrosting device. Utility Model Content

[0004] The main purpose of the utility model is to provide a vehicle air-conditioning defrosting device, which can effectively solve the problems mentioned in the background technology.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0006] A car air conditioner defrosting device comprises a shell, a heat exchanger body and a mounting frame, wherein a connecting shaft is rotatably connected inside the mounting frame, three sets of fan blades are arranged on the outside of the connecting shaft, a mounting shell is connected to the top end of the connecting shaft, a retaining plate is connected to the internal assembly of the mounting shell, and the retaining plate and the mounting shell are engaged and detachably connected, a No. 2 brush is arranged on the top of the retaining plate, and the No. 2 brush contacts the entrance end of the heat exchanger body.

[0007] Preferably, the top of the shell is detachably connected to a combination cover, and a plurality of air outlets are symmetrically provided on the top of the combination cover.

[0008] Preferably, the heat exchanger body is connected and installed inside the shell, and the heat exchanger body is detachably connected to the shell.

[0009] Preferably, an assembly cylinder is connected through the bottom end of the shell, and the assembly cylinder is threadedly connected to the shell, and the inner wall of the assembly cylinder is connected to the outer side of the mounting frame.

[0010] Preferably, the inner wall of the assembly cylinder is connected to a protective net, and the protective net is located below the fan blades, the bottom end of the connecting shaft is connected to a mounting block, and the mounting block is an arc-shaped block, a No. 1 brush is provided at the bottom end of the mounting block, and the No. 1 brush is in contact with the protective net.

[0011] Preferably, two groups of positioning bolts are provided through the top of the mounting shell, and the positioning bolts are in compression contact with the positioning plate.

[0012] Preferably, the No. 1 brush and the No. 2 brush are both made of hard plastic material.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] In the utility model, by providing components such as the No. 2 brush, after the heat exchanger body is running, external air enters the interior of the heat exchanger body through the assembly tube, and the flowing air can drive the fan blades to rotate inside the assembly tube, and the No. 2 brush contacts the air inlet end of the heat exchanger body. The rotation of the fan blades can drive the positioning plate and the No. 2 brush assembled inside the mounting shell to rotate at a fixed point, and the No. 2 brush can be used to sweep and rotate the air inlet end of the heat exchanger body for defrosting, without the need to use external power components, which not only reduces energy consumption but also has higher reliability.

[0015] In the utility model, by providing components such as a mounting block, the assembly cylinder is detachably assembled with the bottom end of the outer shell through a thread, which facilitates the inspection, maintenance and replacement of the working components inside the assembly cylinder. When the fan blades rotate, the fan blades can drive the mounting block to rotate inside the assembly cylinder, and then contact the protective net through a No. 1 brush, which can play the effect of rotating and cleaning the protective net, thereby avoiding the angle of impurities inside the protective net affecting the normal operation of the heat exchanger body. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the overall structure of a vehicle air conditioner defrosting device according to the utility model;

[0017] Figure 2 This is a schematic cross-sectional structure diagram of a shell of a vehicle air conditioner defrosting device according to the utility model;

[0018] Figure 3 This is a schematic diagram of the shell structure of a vehicle air conditioner defrosting device of the utility model;

[0019] Figure 4 This is a schematic diagram of the structure of a mounting block of a defrosting device for an automobile air conditioner according to the utility model;

[0020] Figure 5 The utility model is a schematic diagram of the installation shell structure of an automobile air-conditioning defrosting device.

[0021] In the figure: 1. outer shell; 2. combination cover; 3. air outlet; 4. heat exchanger body; 5. assembly tube; 6. mounting frame; 7. protection net; 8. connecting shaft; 9. fan blade; 10. mounting block; 11. No. 1 brush; 12. mounting shell; 13. positioning bolt; 14. positioning plate; 15. No. 2 brush. DETAILED DESCRIPTION

[0022] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0023] like Figure 3 , Figure 4 and Figure 5 As shown, a defrosting device for automobile air conditioner;

[0024] It includes an outer shell 1, a heat exchanger body 4 and a mounting frame 6. The mounting frame 6 is rotatably connected to a connecting shaft 8 inside, and three groups of fan blades 9 are arranged on the outer side of the connecting shaft 8. The top of the connecting shaft 8 is connected to a mounting shell 12. The internal combination of the mounting shell 12 is connected to a positioning plate 14, and the positioning plate 14 and the mounting shell 12 are engaged and detachably connected. A No. 2 brush 15 is arranged on the top of the positioning plate 14, and the No. 2 brush 15 is in contact with the entrance end of the heat exchanger body 4. Two groups of positioning bolts 13 are arranged through the top of the mounting shell 12, and the positioning bolts 13 are in compression contact with the positioning plate 14.

[0025] The mounting frame 6 is connected and installed on the inner wall of the assembly tube 5. The outer side of the connecting shaft 8 is connected to the mounting frame 6 by a bearing, and is connected and installed on the top of the connecting shaft 8 by a mounting shell 12. The mounting shell 12 provides a mounting space for the positioning plate 14. The positioning plate 14 is an "I"-shaped block. The positioning plate 14 is engaged with the mounting shell 12 through a movable positioning connection. The positioning plate 14 inside the mounting shell 12 can be threaded and squeezed and positioned by a positioning bolt 13, so that the second brush 15 set on the top of the positioning plate 14 can be disassembled and replaced;

[0026] When the heat exchanger body 4 is running, external air enters the interior of the heat exchanger body 4 through the assembly tube 5. The flowing air can drive the fan blades 9 to rotate inside the assembly tube 5, and contact the air inlet end of the heat exchanger body 4 through the No. 2 brush 15. The rotation of the fan blades 9 can drive the positioning plate 14 and the No. 2 brush 15 assembled inside the mounting shell 12 to rotate at a fixed point. The No. 2 brush 15 can sweep and rotate the air inlet end of the heat exchanger body 4 for defrosting. There is no need to use external power components, which not only reduces energy consumption but also has higher reliability.

[0027] like Figure 1 , Figure 2 and Figure 3 As shown, a defrosting device for automobile air conditioner;

[0028] The top of the shell 1 is detachably connected with a combination cover 2, and a plurality of air outlets 3 are symmetrically provided on the top of the combination cover 2. The heat exchanger body 4 is connected and installed inside the shell 1, and the heat exchanger body 4 is detachably connected to the shell 1.

[0029] The shell 1 is the main external installation protection component of the automobile air-conditioning defrosting device, and is connected and assembled with the shell 1 through the combination cover 2. The combination cover 2 can cover and protect the top of the shell 1. The air heated by the heat exchanger body 4 can be discharged through the air outlet 3 opened on the top of the combination cover 2. The heat exchanger body 4 is a tube-plate heat exchanger for the automobile air-conditioning. The heat exchanger body 4 can perform heat exchange, that is, transfer the heat inside the car to the outside of the car, and at the same time introduce the cold air outside the car into the car, so as to achieve the purpose of regulating the temperature inside the car.

[0030] like Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 As shown, a defrosting device for automobile air conditioner;

[0031] The bottom end of the outer shell 1 is penetrated by an assembling tube 5, and the assembling tube 5 is threadedly connected to the outer shell 1, the inner wall of the assembling tube 5 is connected to the outer side of the mounting frame 6, the inner wall of the assembling tube 5 is connected to a protective net 7, and the protective net 7 is located below the fan blades 9, the bottom end of the connecting shaft 8 is connected to a mounting block 10, and the mounting block 10 is an arc-shaped block, a No. 1 brush 11 is provided at the bottom end of the mounting block 10, and the No. 1 brush 11 is in contact with the protective net 7, and the No. 1 brush 11 and the No. 2 brush 15 are both made of hard plastic material.

[0032] The assembly cylinder 5 is detachably assembled with the bottom end of the outer shell 1 through threads, which facilitates the inspection, maintenance and replacement of the working components inside the assembly cylinder 5. The protective net 7 can prevent larger impurities from entering the interior of the assembly cylinder 5. The mounting block 10 is connected and installed at the bottom end of the fan blade 9. When the fan blade 9 rotates, the fan blade 9 can drive the mounting block 10 to rotate inside the assembly cylinder 5, and then contact the protective net 7 through the No. 1 brush 11, which can play the effect of rotating and cleaning the protective net 7, thereby avoiding a large number of impurities inside the protective net 7, which affects the normal operation of the heat exchanger body 4.

[0033] When in use, the heat exchanger body 4 is in operation, and the external air enters the interior of the heat exchanger body 4 through the assembly tube 5. The flowing air can drive the fan blades 9 to rotate inside the assembly tube 5, and the second brush 15 contacts the air inlet end of the heat exchanger body 4. The rotation of the fan blades 9 can drive the positioning plate 14 and the second brush 15 assembled inside the mounting shell 12 to rotate at a fixed point. The second brush 15 can sweep and rotate the air inlet end of the heat exchanger body 4 to defrost, without the need for external power components, which not only reduces energy consumption but also has higher reliability.

[0034] Finally, the assembly cylinder 5 is detachably assembled with the bottom end of the outer shell 1 through threads, which facilitates the inspection, maintenance and replacement of the working components inside the assembly cylinder 5. The protective net 7 can prevent larger impurities from entering the interior of the assembly cylinder 5. When the fan blades 9 are running and rotating, the fan blades 9 can drive the mounting block 10 to rotate inside the assembly cylinder 5, and then contact the protective net 7 through the No. 1 brush 11, which can play the effect of rotating and cleaning the protective net 7, thereby avoiding a large number of impurities inside the protective net 7, which affects the normal operation of the heat exchanger body 4.

[0035] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A defrosting device for an automobile air conditioner, comprising a housing (1), a heat exchanger body (4) and a mounting frame (6), characterized in that: The mounting frame (6) is internally rotatably connected to a connecting shaft (8), and three groups of fan blades (9) are arranged on the outer side of the connecting shaft (8). The top end of the connecting shaft (8) is connected to a mounting shell (12), and the internal assembly of the mounting shell (12) is connected to a retaining plate (14), and the retaining plate (14) and the mounting shell (12) are engaged and detachably connected, and a second brush (15) is arranged on the top of the retaining plate (14), and the second brush (15) contacts the entrance end of the heat exchanger body (4).

2. The automobile air conditioner defrosting device according to claim 1, characterized in that: The top of the housing (1) is detachably connected to a combination cover (2), and a plurality of groups of air outlets (3) are symmetrically provided through the top of the combination cover (2).

3. The automobile air conditioner defrosting device according to claim 1, characterized in that: The heat exchanger body (4) is connected and installed inside the outer shell (1), and the heat exchanger body (4) is detachably connected to the outer shell (1).

4. The automobile air conditioner defrosting device according to claim 1, characterized in that: An assembly cylinder (5) is connected through the bottom end of the outer shell (1), and the assembly cylinder (5) is threadedly connected to the outer shell (1), and the inner wall of the assembly cylinder (5) is connected to the outer side of the mounting frame (6).

5. The automobile air conditioner defrosting device according to claim 4, characterized in that: The inner wall of the assembly cylinder (5) is connected to a protective net (7), and the protective net (7) is located below the fan blade (9); the bottom end of the connecting shaft (8) is connected to a mounting block (10), and the mounting block (10) is an arc-shaped block; a first brush (11) is provided at the bottom end of the mounting block (10), and the first brush (11) is in contact with the protective net (7).

6. The automobile air conditioner defrosting device according to claim 1, characterized in that: Two groups of positioning bolts (13) are provided through the top of the installation shell (12), and the positioning bolts (13) are in compression contact with the positioning plate (14).

7. The automobile air conditioner defrosting device according to claim 5, characterized in that: The first brush (11) and the second brush (15) are both made of hard plastic material.

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