A filter water unit assembly and a liquid water filtering device for a condenser evaporator of an automobile air conditioner

Abstract

This invention relates to a water filtration unit assembly and a liquid water filtration device for an automotive air conditioning evaporator. The assembly includes a rotating body with a water-guiding cavity within it; an air inlet pipe located on one side of the rotating body, tangentially entering the water-guiding cavity; an air outlet pipe located on the other side of the rotating body, positioned above the air inlet pipe and tangentially entering the water-guiding cavity; and a manifold pipe located at the bottom of the rotating body, connected to the water-guiding cavity. Compared to existing technologies, this invention effectively intercepts condensate and small water droplets from the automotive air conditioning evaporator, providing dry air to the vehicle cabin and reducing the heat load on downstream heating components in new energy vehicles.

Description

Technical Field

[0001] This invention relates to the field of automotive air conditioning technology, specifically to a water filtration unit assembly and a liquid water filtration device for automotive air conditioning condenser evaporators. Background Technology

[0002] The automotive air conditioning system is one of the core and critical systems of a car. It can promptly adjust key parameters such as the temperature, humidity, and cleanliness of the air delivered to the cabin to ensure passenger comfort. Currently, air conditioning installations are common in all passenger cars in China.

[0003] In automotive air conditioning systems, the evaporator utilizes the phase change of the refrigerant from liquid to gas through its pipes to transfer heat from the airflow passing through the air conditioning ducts, thereby reducing the airflow temperature and achieving the cooling and dehumidification functions of the air conditioning system. When the humidity in the outside air is high, a large amount of condensation will be generated on the surface of the evaporator's heat exchange pipes. When a certain airflow passes through, this large amount of condensation and water droplets will be carried into the downstream air ducts and directly introduced into the cabin through the air conditioning vents, deviating from the original purpose of dehumidification and seriously affecting the consumer experience. Furthermore, for new energy vehicles, heating components are installed at the rear of the evaporator to provide dry and warm comfortable airflow. The introduction of condensation and water droplets increases the energy consumption of the heating components and increases the load on the entire thermal management system. Therefore, it is necessary to promptly treat the condensation and water droplets generated on the evaporator to avoid affecting subsequent components and the consumer experience.

[0004] Traditional technologies generally utilize the principle of gravity, optimize the design of the evaporator heat dissipation pipe structure, and adjust the appropriate opening angle and angle of the evaporator heat dissipation belt (CN 115451614 A) to make it easier for condensate to flow into the automatic manifold. However, small droplets or water films are still unavoidable on the surface of the evaporator pipes. Under a certain airflow speed, the phenomenon of the above-mentioned condensate being carried into the downstream air duct still exists. Some patents disclose "an air conditioner anti-drip structure" (CN 110239313 B), which uses a hydrophobic and hydrophilic filter to intercept condensate. However, the above-mentioned device only deals with large droplets of condensate and does not address the problem of small droplets or water mist. It cannot effectively remove small droplets. Summary of the Invention

[0005] To intercept condensate and water droplets downstream of the evaporator in automotive air conditioning ducts, this invention provides a water filtration unit assembly and a liquid water filtration device for automotive air conditioning condenser evaporators. This device can provide dry air for the car cabin and reduce the heat load on downstream heating components of new energy vehicles.

[0006] The objective of this invention can be achieved through the following technical solutions:

[0007] One objective of this invention is to provide a water filtration unit assembly, comprising:

[0008] A rotating body, wherein the rotating body has a water-filtering and water-guiding cavity;

[0009] An air inlet pipe is provided on one side of the rotating body, and the air inlet pipe is tangentially introduced into the water filter and guide cavity;

[0010] An air outlet pipe is located on the other side of the rotating body, above the air inlet pipe, and the air outlet pipe is tangentially introduced into the water filter and guide cavity;

[0011] A manifold is located at the bottom of the rotating body, and the manifold is connected to the water filtration and guiding cavity.

[0012] Furthermore, the rotating body is conical, and the angle between the surface of the water-filtering and guiding cavity within the rotating body and the horizontal direction is 45-90°. Preferably, the angle between the surface of the water-filtering and guiding cavity within the rotating body and the horizontal direction is 60-80°.

[0013] Furthermore, the air outlet pipe and the air inlet pipe are arranged opposite to each other, and the distance between the center line of the air outlet pipe and the center line of the air inlet pipe is 30-60cm.

[0014] Furthermore, the surface of the water-filtering and guiding cavity is coated with a hydrophobic coating, the contact angle of which is 90-180°. Preferably, the contact angle of the hydrophobic coating is 150-180°.

[0015] Furthermore, the angle between the centerline of the manifold and the horizontal direction is 0-30°, and preferably, the angle between the centerline of the manifold and the horizontal direction is 1-20°.

[0016] The second objective of this invention is to provide a liquid water filtration device for an automotive air conditioning condenser evaporator, comprising a housing and further comprising: a main guide channel arranged vertically along the housing; and a plurality of branch guide channels spaced apart on the main guide channel along the horizontal direction of the housing, wherein each branch guide channel is spaced apart with a plurality of water filtration unit assemblies as described above, and the manifold of the water filtration unit assembly is connected to the branch guide channel.

[0017] Furthermore, the housing is provided with a plurality of through holes adapted to the air inlet and air outlet pipes of the water filtration unit assembly; the end of the main guide channel extends out of the housing.

[0018] Compared with the prior art, the present invention has the following advantages:

[0019] (1) The present invention provides a liquid water filtration device for automotive air conditioning condenser evaporator. The device effectively intercepts condensate and water mist droplets from automotive air conditioning evaporator, which can provide dry air for the car cabin and reduce the heat load of downstream heating components of new energy vehicles.

[0020] (2) The present invention provides a liquid water filtration device for automotive air conditioning condenser evaporator. This device does not use a filter screen structure, which can significantly reduce the air pressure difference that needs to be overcome to filter water and reduce the energy consumption of the system for water removal.

[0021] (3) The present invention provides a liquid water filtration device for automotive air conditioning condenser evaporator. The device has no moving parts, has a long service life and good durability, and the system does not require regular maintenance and can last as long as the car. Attached Figure Description

[0022] Figure 1 This is a schematic diagram of the water filtration unit components in the embodiment;

[0023] Figure 2 This is a side view of the water filtration unit assembly in the embodiment;

[0024] Figure 3 This is a schematic diagram of the liquid water filtration device for the automotive air conditioning condenser evaporator in the embodiment.

[0025] Figure 4 This is a schematic diagram of the internal structure of the liquid water filtration device in the automotive air conditioning condenser evaporator in the embodiment.

[0026] The numbers in the diagram indicate: 1-Water filtration unit assembly; 101-Air inlet duct; 102-Manifold duct; 103-Rotating body; 104-Air outlet duct; 2-Branch guide channel; 3-Main guide channel; 4-Shell; H-Distance between the centerline of the air outlet duct and the centerline of the air inlet duct; α-Angle between the surface of the water filtration guide cavity and the horizontal direction; β-Angle between the centerline of the manifold duct and the horizontal direction. Detailed Implementation

[0027] The present invention will now be described in detail with reference to the accompanying drawings and specific embodiments. These embodiments are implemented based on the technical solution of the present invention, providing detailed implementation methods and specific operating procedures. However, the scope of protection of the present invention is not limited to the following embodiments.

[0028] Example

[0029] To intercept condensate and water droplets downstream of the evaporator in the automotive air conditioning duct, this embodiment provides a water filtration unit assembly, the specific structure of which is described in [link to specific structure]. Figure 1-2 ,include:

[0030] Rotating body 103, wherein the rotating body 103 has a water filtering and guiding cavity;

[0031] An air inlet pipe 101 is provided on one side of the rotating body 103, and the air inlet pipe 101 is tangentially introduced into the water filter and guide cavity;

[0032] An air outlet pipe 104 is provided on the other side of the rotating body 103. The air outlet pipe 104 is located above the air inlet pipe 101 and is tangentially introduced into the water filter and guide cavity.

[0033] A manifold 102 is provided at the bottom of the rotating body 103, and the manifold 102 is connected to the water filter and guide cavity.

[0034] Please see again. Figure 1-2 In this embodiment, the rotating body 103 is conical, and the angle between the surface of the water filter and water guide cavity in the rotating body 103 and the horizontal direction is denoted as α, where α is 45-90°, preferably 60-80°.

[0035] Please see again. Figure 1-2 In this embodiment, the air outlet pipe 104 and the air inlet pipe 101 are arranged opposite to each other, and the distance between the center line of the air outlet pipe 104 and the center line of the air inlet pipe 101 is denoted as H, where H is 30-60cm.

[0036] Please see again. Figure 1-2 In this embodiment, the surface of the water filter and water guide cavity is coated with a hydrophobic coating, and the contact angle of the hydrophobic coating is 90-180°, preferably 150-180°.

[0037] Please see again. Figure 1-2 In this embodiment, the angle between the centerline of the manifold 102 and the horizontal direction is denoted as β, where β is 0-30°, preferably 1-20°.

[0038] To intercept condensate and small water droplets downstream of the evaporator in the automotive air conditioning duct, this embodiment also provides a liquid water filtration device for the automotive air conditioning condenser evaporator. The specific structure is shown in [reference needed]. Figure 3-4 The device is installed between the existing air conditioner evaporator and the heating component PTC. The device includes a housing 4, a main flow channel 3 arranged vertically along the housing 4, and multiple branch flow channels 2 arranged horizontally along the housing 4 on the main flow channel 3. Multiple water filtration unit components are arranged at intervals on each branch flow channel 2. The manifold 102 of the water filtration unit components is connected to the branch flow channel 2.

[0039] Please see again. Figure 3 In this embodiment, the housing 4 is provided with a plurality of through holes adapted to the air inlet pipe 101 and air outlet pipe of the water filtration unit assembly; the end of the main guide groove 3 extends out of the housing 4.

[0040] Optionally, the liquid water filtration device provided in this embodiment can be integrally injection molded, or independent water filtration unit components can be injection molded first and then assembled into a whole.

[0041] When the liquid water filtration device provided in this embodiment is in use, the water accumulated on the air conditioner evaporator is first tangentially introduced into the water filtration chamber of the independent water filtration unit component 1 at a certain wind speed. Due to the large inertia of the liquid water, it first collides with the wall of the water filtration chamber and adheres to the wall. Small droplets gradually converge into large droplets and finally flow out through the water collection manifold 102 at the bottom of the water filtration unit component 1, into the branch guide channel 2, and finally into the main guide channel 3. After the gas entering the air inlet pipe 101 is separated from the liquid water, it is discharged from the liquid water filtration device through the air outlet pipe 104 in the water filtration chamber.

[0042] The above description is merely a preferred embodiment of the present invention and is not intended to limit the invention in any other way. Any person skilled in the art may make changes or modifications to the above-disclosed technical content to create equivalent embodiments. However, any simple modifications, equivalent changes, and modifications made to the above embodiments based on the technical essence of the present invention without departing from the scope of the present invention shall still fall within the protection scope of the present invention.

Claims

1. A liquid water filtration device for an automotive air conditioning condenser evaporator, comprising a housing (4), characterized in that, Also includes: A main flow channel (3) is arranged vertically along the shell (4); Multiple branch guide channels (2) are spaced apart on the main guide channel (3) along the horizontal direction of the shell (4). Multiple water filtration unit components are spaced apart on each branch guide channel (2). The manifold (102) of the water filtration unit components is connected to the branch guide channel (2). The water filtration unit assembly includes: A rotating body (103) having a water-filtering and guiding cavity inside; An air inlet pipe (101) is provided on one side of the rotating body (103), and the air inlet pipe (101) is tangentially introduced into the water filter and guide cavity; An air outlet pipe (104) is provided on the other side of the rotating body (103). The air outlet pipe (104) is located above the air inlet pipe (101). The air outlet pipe (104) is tangentially introduced into the water filter and guide cavity. A manifold (102) is provided at the bottom of the rotating body (103), and the manifold (102) is connected to the water filter and guide cavity; The housing (4) is provided with a plurality of through holes adapted to the air inlet pipe (101) and air outlet pipe (104) of the water filtration unit assembly; the end of the main guide groove (3) extends out of the housing (4).

2. The liquid water filtration device for an automotive air conditioning condenser evaporator according to claim 1, characterized in that, The rotating body (103) is conical, and the angle between the surface of the water-filtering and water-guiding cavity inside the rotating body (103) and the horizontal direction is 45-90°.

3. The liquid water filtration device for an automotive air conditioning condenser evaporator according to claim 1, characterized in that, The angle between the surface of the water filter and water guide cavity set in the rotating body (103) and the horizontal direction is 60-80°.

4. The liquid water filtration device for an automotive air conditioning condenser evaporator according to claim 1, characterized in that, The air outlet pipe (104) and the air inlet pipe (101) are arranged opposite to each other, and the distance between the center line of the air outlet pipe (104) and the center line of the air inlet pipe (101) is 30-60cm.

5. A liquid water filtration device for an automotive air conditioning condenser evaporator according to claim 1, characterized in that, The surface of the water filter and water guide cavity is coated with a hydrophobic coating, and the contact angle of the hydrophobic coating is 90-180°.

6. A liquid water filtration device for an automotive air conditioning condenser evaporator according to claim 5, characterized in that, The contact angle of the hydrophobic coating is 150-180°.

7. A liquid water filtration device for an automotive air conditioning condenser evaporator according to claim 1, characterized in that, The angle between the centerline of the manifold (102) and the horizontal direction is 0-30°.

8. A liquid water filtration device for an automotive air conditioning condenser evaporator according to claim 1, characterized in that, The angle between the centerline of the manifold (102) and the horizontal direction is 1-20°.

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