Automobile air conditioner

By designing a lightweight car air conditioner suitable for small and lightweight transportation electric vehicles, using axial fan and PTC air heater, the problem of glass fogging and no heating when driving in winter is solved, and ventilation and ventilation are achieved , heating and defrost and defogging functions improve driving safety and comfort.

CN119388964APending Publication Date: 2025-02-07BONAIRE AUTOMOTIVE ELECTRICAL SYST
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Patent Information

Application Number
CN202411575264.X
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-11-06
Publication Date
2025-02-07

AI Technical Summary

Technical Problem

Due to the small layout space of small lightweight electric vehicles, the air conditioners on the market are too large to be arranged, which makes the glass easily foggy when driving in winter, affecting driving safety, and the lack of heating devices leads to poor driving comfort.

Method used

A small size, light weight, easy installation, simple structure and lower cost automobile air conditioner is designed. Axial flow fans are used to replace centrifugal blowers, combined with PTC air heater and air outlet grid to achieve ventilation, ventilation and heating. and defrost and defogging function.

Benefits of technology

The design not only improves the air quality in the car and ensures clean air, but also provides rapid heating function in cold weather, improves the temperature in the car, improves the driving environment, and enhances driving safety and comfort.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention belongs to the field of design and manufacturing of automobile air conditioners, and particularly relates to an automobile air conditioner. An automobile air conditioner comprises a motor, the motor is connected with a fan, one side of the fan is connected with an air inlet mechanism, and the other side of the fan is connected with an air outlet mechanism. By means of the air inlet filter shell and the air inlet pipeline, external air can be smoothly introduced into the air conditioner. The air inlet filter shell is used for filtering air to remove dust and impurities; the motor drives the fan to provide power, and the PTC air heater can heat air; the air is exhausted into the automobile through the air outlet pipeline; the automobile air conditioner is small in size, light in weight, convenient to install, simple in structure and low in cost, and can be suitable for small portable electric vehicles instead of walk.
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Description

Technical Field

[0001] The invention belongs to the field of design and manufacture of automobile air conditioners, and in particular, the invention relates to an automobile air conditioner. Background Art

[0002] Car air conditioners are used to adjust and control the temperature, humidity, air cleanliness and air flow in the car compartment to the best state, provide passengers with a comfortable riding environment, reduce travel fatigue, create good working conditions for drivers, and play an important role in ensuring safe driving. During winter driving, due to the low outside temperature, the glass is prone to fogging, affecting driving safety. In addition, the lack of a heating device in the cockpit leads to poor driving comfort, which will also indirectly affect driving safety.

[0003] Most of the current small and light electric vehicles have no air conditioning due to the small layout space. The air conditioners on the market are too large to be installed. Therefore, small and light electric vehicles do not have air conditioning. During winter driving, due to the low outside temperature, the glass is easy to fog up, affecting driving safety. In addition, there is no heating device in the cockpit, resulting in poor driving comfort, which will also indirectly affect driving safety.

[0004] In view of the above-mentioned defects that ordinary air-conditioning assemblies cannot be applied to small electric vehicles for transportation, it is particularly important to provide a car air-conditioner for small and light electric vehicles that is light in weight, simple in structure, lower in cost, and suitable for small and light electric vehicles for transportation. Summary of the invention

[0005] The present invention is made to solve the problem that the air conditioners on the market are too large to be arranged, and small and light vehicles cannot be installed with air conditioners. The purpose is to provide a car air conditioner which is small in size, light in weight, easy to install, simple in structure, and lower in cost and can be suitable for small and light electric vehicles. In order to achieve the above purpose, the technical solution adopted by the present invention is: a car air conditioner having the following characteristics, including a motor, the motor is connected to a fan, one side of the fan is connected to an air inlet mechanism, and the other side of the fan is connected to an air outlet mechanism.

[0006] The air intake mechanism comprises an air intake filter housing, the air intake filter housing is connected to an air intake duct, and a first through hole is opened on one side of the air intake filter housing.

[0007] The air outlet mechanism comprises an air outlet duct, which is connected to a side of the fan away from the air inlet filter housing, and an air outlet grid is installed inside the air outlet duct.

[0008] A PTC air heater is arranged between the fan and the air outlet, and a PTC connector is arranged on one side of the PTC air heater.

[0009] A filter protection cover is arranged at the bottom of the air intake filter housing, and a first groove is opened on one side of the filter protection cover.

[0010] Reinforcing ribs are arranged between the air intake duct and the air intake filter housing. A first fixing plate is also arranged on the outside of the air intake filter housing. The first fixing plate extends from one end of the air intake filter housing to the other end. The air intake filter housing is connected to a base. A connecting hole is opened at one end of the base away from the air intake filter housing.

[0011] A mounting plate is provided at one side of the motor, a second through hole is opened on the mounting plate, the fan is located in the second through hole, a third through hole is provided at the end of the mounting plate, and weight-reducing holes are provided around the third through hole.

[0012] The air outlet duct comprises a first air outlet duct and a second air outlet duct, the air outlet duct is formed by splicing the first air outlet duct and the second air outlet duct, and a second fixing plate is sleeved on the end of the air outlet duct.

[0013] A first fixing block and a second fixing block are respectively provided at the connection positions of the first air outlet duct and the second air outlet duct, and the first fixing block and the second fixing block are connected with bolts.

[0014] A support column is arranged inside the air outlet duct, and two ends of the support column are respectively connected to two ends of the air outlet duct.

[0015] The technical effect of the present invention is as follows: by setting an air intake filter housing and an air intake duct, the external air can be smoothly introduced into the air conditioner; in the process, the air intake filter housing filters the air to remove dust and impurities, thereby ensuring that the air entering the car is cleaner. This design not only improves the air quality in the car, but also effectively protects the health of the people in the car. The combined use of the PTC air heater and the PTC connector in the present invention provides a flexible heating function for the air conditioner. In cold weather conditions, the PTC air heater can quickly heat the air, increase the temperature in the car, and provide a comfortable driving environment. The PTC connector is used to adjust the power output of the heater to ensure the safety and energy saving of the system. The air outlet grid arranged in the air outlet duct can effectively adjust and disperse the airflow to ensure that the air enters the car evenly. This automobile air conditioner can simultaneously realize ventilation, air exchange, heating and defrosting and defogging functions, and realize the safety and comfort of the driver; the present invention replaces the centrifugal blower with an axial flow fan, providing a small size, light weight, easy installation, simple structure, lower cost, and can be applied to small and light electric vehicles for transportation. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] This specification includes the following drawings, which show the following contents:

[0017] Figure 1This is a schematic diagram of the overall structure of an automobile air conditioner of the present invention;

[0018] Figure 2 It is a schematic diagram of the connection between the motor, the fan and the mounting plate of the present invention;

[0019] Figure 3 It is a schematic diagram of the interior of the air outlet duct of the present invention.

[0020] Marked in the figure: 1. Motor; 101. Mounting plate; 2. Fan; 3. Air inlet mechanism; 301. Air inlet filter housing; 302. Air inlet duct; 303. First through hole; 304. Reinforcing rib; 305. First fixing plate; 306. Base; 307. Connecting hole; 4. Air outlet mechanism; 401. Air outlet duct; 402. Air outlet grid; 403. First air outlet duct; 404. Second air outlet duct; 405. Second fixing plate; 406. First fixing block; 407. Second fixing block; 408. Support column; 5. PTC air heater; 501. PTC connector; 6. Filter protection cover; 601. First groove. DETAILED DESCRIPTION

[0021] The specific implementation methods of the present invention are further explained in detail below by describing the embodiments with reference to the accompanying drawings, with the aim of helping those skilled in the art to have a more complete, accurate and in-depth understanding of the inventive concept and technical solution of the present invention and facilitating their implementation.

[0022] like Figures 1 to 3 As shown, a car air conditioner includes a motor 1, the motor 1 is connected to a fan 2, one side of the fan 2 is connected to an air intake mechanism 3, and the other side of the fan 2 is connected to an air outlet mechanism 4. The motor 1 serves as the power source of the fan 2, and the motor 1 drives the fan 2 to rotate, thereby generating an airflow. The air intake mechanism 3 is responsible for introducing external air into the air conditioner. The air enters the air intake filter housing 301 through the air intake duct 302 to ensure that the air can be filtered before entering the air conditioner, and then the air entering is discharged by the air outlet mechanism 4. The axial flow fan 2 replaces the centrifugal blower to make the structure of the air conditioner box light, reduce the layout space of the whole vehicle, and facilitate the application of electric vehicles for commuting. At the same time, ventilation, air exchange, heating, defrosting and defogging functions are realized, and the safety and comfort of the driver are achieved.

[0023] The air intake mechanism 3 includes an air intake filter housing 301, the air intake filter housing 301 is connected to an air intake duct 302, and a first through hole 303 is opened on one side of the air intake filter housing 301. The air intake filter housing 301 is used to filter the incoming air, the air intake duct 302 connects the external air and the air intake filter housing 301, and the air intake filter housing 301 is responsible for guiding the air into the filter housing 301. The first through hole 303 is used to install a filter element, and the air can be filtered evenly and quickly through the filter.

[0024] The air outlet mechanism 4 includes an air outlet duct 401, which is connected to the side of the fan 2 away from the air inlet filter housing 301. The air outlet duct 401 has a groove inside, and an air outlet grid 402 is installed in the groove. The air outlet duct 401 is a channel connected to the fan 2. The air entering the air conditioner is discharged from the air outlet duct 401 after being processed. The air outlet grid 402 is also provided in the air outlet duct 401. The air outlet grid 402 can be used to adjust and disperse the airflow to ensure that the air enters the vehicle evenly. The design of the grid can affect the direction and speed of the airflow, thereby improving the distribution of the air in the vehicle.

[0025] A PTC air heater 5 is provided between the fan 2 and the air outlet duct 401, and a PTC connector 501 is provided on one side of the PTC air heater 5. The PTC air heater 5 is a device for heating air to increase the temperature inside the vehicle in winter or cold weather. The power and heating speed of the heater affect the heating efficiency of the air conditioning system. The PTC connector 501 is used to connect and control the heater, and can adjust the heating power to ensure safety and energy saving.

[0026] A filter protection cover 6 is provided at the bottom of the air intake filter housing 301, and a first groove 601 is provided on one side of the filter protection cover 6. The provision of the filter protection cover 6 can reduce the wear of the air intake filter housing 301 and extend the service life of the air intake filter housing 301. The design of the first groove 601 can facilitate the removal of the filter protection cover 6.

[0027] A reinforcing rib 304 is provided between the air intake duct 302 and the air intake filter housing 301. The reinforcing rib 304 is a square plate. A first fixing plate 305 is also provided on the outside of the air intake filter housing 301. The first fixing plate 305 extends from one end of the air intake filter housing 301 to the other end. The air intake filter housing 301 is connected to a base 306. A connecting hole 307 is provided at one end of the base 306 away from the air intake filter housing 301. The reinforcing rib 304 is used to increase the structural strength of the air intake duct 302 and the air intake filter housing 301, prevent deformation caused by airflow and vibration, and make the connection between the air intake duct 302 and the air intake filter housing 301 more secure. The first fixing plate 305 is used to enhance the strength of the air intake filter housing 301. The first fixing plate 305 is a semicircular plate. The air intake filter housing 301 is tightly connected to one side of the first fixing plate 305. The first fixing plate 305 extends from one end of the air intake filter housing 301 to the other end, which can increase the contact area between the first fixing plate 305 and the air intake filter housing 301, thereby enhancing the strength of the air intake filter housing 301 to a greater extent and will not be deformed due to the high air pressure in the air intake filter housing 301.

[0028] A mounting plate 101 is provided on one side of the motor 1. The mounting plate 101 is a square plate, and the four corners of the square plate are set as hollow structures to reduce the weight of the mounting plate 101 itself. The mounting plate 101 has a second through hole 102, and the fan 2 is located in the second through hole 102. A third through hole 103 is provided at the end of the mounting plate 101, and a weight reduction hole 104 is provided around the third through hole 103. The mounting plate 101 is used to fix the motor 1. At the same time, the mounting plate 101 has a second through hole 102, and the fan 2 is arranged in the second through hole 102 to increase safety and prevent the fan 2 from causing damage to the machine or personnel when rotating.

[0029] The air outlet duct 401 includes a first air outlet duct 403 and a second air outlet duct 404. The first air outlet duct 403 is a half flat tube, one end of which is bent into a bent tube. The second air outlet duct 404 is also a half flat tube, one end of which is bent into a bent tube. The air outlet duct 401 is formed by splicing the first air outlet duct 403 and the second air outlet duct 404. A second fixing plate 405 is sleeved at the end of the air outlet duct 401. The air outlet duct is formed by splicing the first air outlet duct 403 and the second air outlet duct 404. The modular design of the entire air conditioner is convenient for disassembly, installation and maintenance.

[0030] A first fixing block 406 and a second fixing block 407 are respectively provided at the connection position of the first air outlet duct 403 and the second air outlet duct 404. The first fixing block 406 and the second fixing block 407 are arch structures. The first fixing block 406 and the second fixing block 407 are both provided with threaded holes. The first fixing block 406 and the second fixing block 407 are connected with bolts. The first fixing block 406 is connected to the first air outlet duct 403, and the second fixing block 407 is connected to the second air outlet duct 404. The first fixing block 406 and the second fixing block 407 are both provided with threaded holes. The first air outlet duct 403 and the second air outlet duct 404 are tightly connected together by bolting the threaded holes.

[0031] A support column 408 is provided inside the air outlet duct 401. The support column 408 is a square structure. Both ends of the support column 408 are connected to both ends of the air outlet duct 401 respectively; the support column 408 is used to connect the upper and lower ends of the air outlet duct 401. The support column 408 enhances the structural strength of the air outlet duct 401 and prevents deformation caused by airflow and vibration.

[0032] Functions and Effects of the Embodiments

[0033] External air is introduced into the air inlet filter housing 301 through the air inlet duct 302. When the air passes through the air inlet filter housing 301, it will be fully filtered to further purify the air to remove dust and impurities. The first through hole 303 on one side of the air inlet filter housing 301 is used to install the filter element, and the air can be filtered evenly and quickly through the filter. The motor 1 drives the fan 2 to rotate and generate airflow. The fan 2 is located in the second through hole 102 of the mounting plate 101, and the fan 2 can be fully placed in the mounting plate 101, making the use of the air conditioner safer. The air flows through the PTC air heater 5, and the PTC air heater 5 can heat the air if necessary, especially in cold weather. The PTC connector 501 is used to connect and control the heater and adjust the heating power. After passing through the PTC air heater 5, the air passes through the air outlet duct 401. An air outlet grid 402 is installed inside the air outlet duct 401 to adjust and disperse the airflow to ensure that the air is evenly discharged from the air outlet duct 401. A reinforcing rib 304 is provided between the air intake duct 302 and the air intake filter housing 301 to increase the structural strength and prevent deformation. A first fixing plate 305 is provided on the outside of the air intake filter housing 301 to enhance the housing strength. The filter protection cover 6 reduces the wear of the air intake filter housing 301 and prolongs the service life. The first groove 601 facilitates the removal of the protection cover. The air outlet duct 401 is spliced ​​by the first air outlet duct 403 and the second air outlet duct 404, which is convenient for disassembly, installation and maintenance. The first fixing block 406 and the second fixing block 407 are connected by bolts to ensure the stability of the air outlet duct. A support column 408 is provided inside the air outlet duct 401 to enhance the structural strength and prevent deformation. The design of the entire air conditioner takes into account multiple aspects such as air flow efficiency, filtering effect, heating requirements, air flow distribution and structural strength to ensure a comfortable and healthy in-vehicle environment.

[0034] The present invention is described above by way of example in conjunction with the accompanying drawings. Obviously, the specific implementation of the present invention is not limited to the above-mentioned methods. As long as various non-substantial improvements are made using the method concept and technical solution of the present invention; or the above concept and technical solution of the present invention are directly applied to other occasions without improvement, they are all within the protection scope of the present invention.

Claims

1. An automobile air conditioner, comprising a motor (1), characterized in that: The motor (1) is connected to a fan (2), one side of the fan (2) is connected to an air inlet mechanism (3), and the other side of the fan (2) is connected to an air outlet mechanism (4).

2. The automobile air conditioner according to claim 1, characterized in that: The air intake mechanism (3) comprises an air intake filter housing (301), the air intake filter housing (301) is connected to an air intake duct (302), and a first through hole (303) is formed on one side of the air intake filter housing (301).

3. The automobile air conditioner according to claim 2, characterized in that: The air outlet mechanism (4) comprises an air outlet duct (401), wherein the air outlet duct (401) is connected to a side of the fan (2) away from the air inlet filter housing (301), and an air outlet grid (402) is installed inside the air outlet duct (401).

4. The automobile air conditioner according to claim 3, characterized in that: A PTC air heater (5) is provided between the fan (2) and the air outlet duct (401), and a PTC connector (501) is provided on one side of the PTC air heater (5).

5. The automobile air conditioner according to claim 4, characterized in that: A filter protection cover (6) is provided at the bottom of the air intake filter housing (301), and a first groove (601) is formed on one side of the filter protection cover (6).

6. The automobile air conditioner according to claim 5, characterized in that: A reinforcing rib (304) is provided between the air intake duct (302) and the air intake filter housing (301), and a first fixing plate (305) is also provided on the outside of the air intake filter housing (301), wherein the first fixing plate (305) extends from one end of the air intake filter housing (301) to the other end, and the air intake filter housing (301) is connected to a base (306), and a connection hole (307) is provided at one end of the base (306) away from the air intake filter housing (301).

7. The automobile air conditioner according to claim 1, characterized in that: A mounting plate (101) is provided on one side of the motor (1), the mounting plate (101) is provided with a second through hole (102), the fan (2) is located in the second through hole (102), a third through hole (103) is provided at the end of the mounting plate (101), and weight-reducing holes (104) are provided around the third through hole (103).

8. The automobile air conditioner according to claim 1, characterized in that: The air outlet duct (401) comprises a first air outlet duct (403) and a second air outlet duct (404); the air outlet duct (401) is formed by splicing the first air outlet duct (403) and the second air outlet duct (404); and a second fixing plate (405) is sleeved on the end of the air outlet duct (401).

9. The automobile air conditioner according to claim 1, characterized in that: A first fixing block (406) and a second fixing block (407) are respectively provided at the connection position of the first air outlet duct (403) and the second air outlet duct (404), and the first fixing block (406) and the second fixing block (407) are connected by bolts.

10. The automobile air conditioner according to claim 1, characterized in that: A support column (408) is arranged inside the air outlet duct (401), and two ends of the support column (408) are respectively connected to two ends of the air outlet duct (401).