Single-air-door type double-layer-flow automobile air conditioner air inlet structure assembly and air conditioner

Abstract

The single-air-door type double-layer-flow automobile air conditioner air inlet structure assembly comprises a first shell and a second shell, a filter is arranged in the first shell, an impeller is arranged in the second shell, an isolation air channel is arranged between the filter and the impeller, and the isolation air channel divides the first shell into a first air inlet channel and a second air inlet channel; the two ends of the top of the first shell are provided with an internal circulation inlet channel and an external air inlet channel correspondingly, the middle of the top of the first shell is movably connected with an air door, and the single-air-door type double-layer-flow automobile air conditioner air inlet structure assembly is simple in structure, the filter is convenient to disassemble and replace, and the application cost is low.

Description

Technical Field

[0001] The invention belongs to the technical field of automobile air conditioners, and in particular relates to a single-damper type double-laminar flow automobile air conditioner air inlet structure assembly and an air conditioner. Background Art

[0002] The internal circulation of automobile air, that is, extracting air from the interior of the vehicle and then adjusting the air temperature before delivering the air back to the interior of the vehicle, can improve the user's comfort. This is because the air extracted from the interior of the vehicle is almost at a temperature close to the set temperature, which allows the air to quickly reach the temperature desired by the user. However, the air circulating inside carries more humidity than the air from outside the vehicle. In addition, if the air circulating inside is delivered to the interior of the car near the windshield (for example, the ventilation inlet located in front of the driver or the front of the passenger) or directly delivered to the windshield, the humidity contained in the air will condense on the windshield and produce fog. Therefore, it is necessary to adjust the external air to deliver it to the interior of the vehicle near the windshield or deliver it directly to the windshield, and adjust the internal circulation air to deliver it to the interior of the car at a certain distance from the windshield.

[0003] In order to improve the quality of the air delivered into the vehicle interior, it is necessary to filter the particles in the air. The current solution is to place one or more filters under the suction blower assembly. In this case, the volume of the vehicle heating, ventilation, and refrigeration pipelines and the suction blower assembly is significantly increased, and the filters are difficult to remove and replace.

[0004] The invention patent with publication number CN112477543A was disclosed on March 12, 2021, and is named a split-type automobile air conditioner, which has: a front housing located in the vehicle interior, in which a heat exchanger for heating the airflow passing through is provided; a rear housing located in the engine compartment or the motor compartment; and a firewall, the front and rear housings are connected through the firewall opening; inside the air conditioner, in order from upstream to downstream of the airflow direction, there are: an air inlet; a blower located in the rear housing; an evaporator, the airflow from the blower all passes through the evaporator; upper and lower mixing dampers, located on the downstream side of the evaporator; a heat exchanger; and upper and lower side air outlets; and a first plate rib between the upper and lower mixing dampers. This split-type automobile air conditioner also cannot solve the technical problems recorded above. Summary of the invention

[0005] The purpose of the present invention is to provide a single-damper double-laminar flow automobile air-conditioning air intake structure assembly and air-conditioning with a simple structure, easy filter removal and replacement, and low application cost in view of the deficiencies in the prior art.

[0006] In order to achieve the above object, the technical solution adopted by the present invention is:

[0007] The single-damper type double-laminar flow automobile air-conditioning air intake structure assembly comprises a first shell and a second shell. A filter is arranged in the first shell, an impeller is arranged in the second shell, an isolation air duct is arranged between the filter and the impeller, and the isolation air duct divides the first shell to form a first air inlet channel and a second air inlet channel; an internal circulation inlet channel and an external air inlet channel are respectively arranged at two ends of the top of the first shell, and a damper is movably connected to the middle of the top of the first shell.

[0008] A partition is provided in the middle of the second shell, and the partition divides the internal space of the second shell to form a first outlet channel and a second outlet channel. The outlet end of the isolation air duct is located below the partition, the first air inlet channel is connected to the first outlet channel, and the second air inlet channel is connected to the second outlet channel.

[0009] The isolation air duct is arc-shaped, one end of the top of the isolation air duct is connected to the middle of the filter, and the bottom end of the isolation air duct is in the same plane as the partition.

[0010] The first shell includes an additional shell, the additional shell is in a conical structure, and the filter is located between the bottom end of the additional shell and the top of the isolation air duct.

[0011] The outlet ends of the first outlet channel and the second outlet channel are both located on the same side of the second shell.

[0012] The internal circulation inlet passage is in communication with the internal circulation air, and the external air inlet passage is in communication with the external air.

[0013] The top end of the damper is hinged to the middle of the top of the first shell, and the damper is located between the internal circulation inlet channel and the external air inlet channel.

[0014] A motor is disposed outside the bottom of the second shell, and the motor is connected to the impeller.

[0015] An air conditioner comprises the above-mentioned single-damper type double-laminar flow automobile air conditioner air intake structure assembly.

[0016] The technical effect of the present invention is as follows: the single-dam type double-layer flow automobile air-conditioning air inlet structure assembly of the present invention has a reasonable structural design, fully utilizes the internal space of the air-conditioning air inlet shell, ensures smooth airflow, has high filter stability and is easy to disassemble and replace, does not significantly increase the volume of the blower, meets the various functional requirements of vehicle heating, ventilation, and cooling, has a simple structure, and has low application cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] This specification includes the following drawings, which show the following contents:

[0018] Figure 1It is a schematic diagram of a first air intake mode of a single-damper double-laminar-flow automobile air-conditioning air intake structure assembly of the present invention;

[0019] Figure 2 yes Figure 1 Schematic diagram of the axial section;

[0020] Figure 3 It is a schematic diagram of a second air intake mode of the single-damper type double-laminar flow automobile air conditioner air intake structure assembly of the present invention;

[0021] Figure 4 yes Figure 3 Schematic diagram of the axial section;

[0022] Figure 5 It is a schematic diagram of a third air intake mode of the single-damper type double-laminar flow automobile air conditioner air intake structure assembly of the present invention;

[0023] Figure 6 yes Figure 5 Schematic diagram of the axial cross section.

[0024] Markings in the figure are: 1. first shell; 2. second shell; 3. filter; 4. impeller; 5. isolation air duct; 6. partition; 7. additional shell; 8. damper; 9. first air inlet channel; 10. second air inlet channel; 11. internal circulation inlet channel; 12. external air inlet channel; 13. first outlet channel; 14. second outlet channel; 15. deflector; 16. motor; 17. internal circulation air; 18. external air. DETAILED DESCRIPTION

[0025] 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.

[0026] As 1 to Figure 6 As shown, the single-damper double-laminar flow automobile air-conditioning air intake structure assembly comprises a first shell 1 and a second shell 2. A filter 3 is arranged in the first shell 1, an impeller 4 is arranged in the second shell 2, an isolation air duct 5 is arranged between the filter 3 and the impeller 4, and the isolation air duct 5 divides the first shell 1 to form a first air inlet channel 9 and a second air inlet channel 10; an internal circulation inlet channel 11 and an external air inlet channel 12 are respectively arranged at both ends of the top of the first shell 1, and a damper 8 is movably connected to the middle of the top of the first shell 1.

[0027] The filter 3 is used to filter particles in the air, the impeller 4 can rotate around its axis, and the isolation duct 5 separates the first air channel and the second air channel. The first air channel allows air flow to pass through the lower part of the impeller 4, and the second air channel allows wind to pass through the upper part of the impeller 4. The isolation duct 5 is installed in the area above the impeller 4 and constitutes a part of the internal space of the first air channel. The second air channel extends outside the isolation duct 5, and in the area of ​​the lower end of the isolation duct 5, its inner and outer surfaces guide the air flow to the lower and upper parts of the impeller 4. In this way, the first and second air flows are smoothly guided to the lower and upper parts of the impeller 4 through the isolation duct 5, respectively.

[0028] like Figures 1 to 6 As shown, a partition 6 is provided in the middle of the second shell 2, and the partition 6 divides the internal space of the second shell 2 to form a first outlet channel 13 and a second outlet channel 14. The outlet end of the isolation air duct 5 is located below the partition 6, and the first air inlet channel 9 is connected to the first outlet channel 13, and the second air inlet channel 10 is connected to the second outlet channel 14. The partition 6 divides the internal space of the second shell 2, so that two airflow channels are formed in a limited space. After the airflow passes through the partition 6, the airflow in the two airflow channels will not interfere with each other, which is conducive to improving the stability of the airflow and reducing the impact of the airflow on the vibration of the shell.

[0029] like Figures 1 to 6 As shown, the isolation air duct 5 is arc-shaped, one end of the top of the isolation air duct 5 is connected to the middle of the filter 3, and the bottom of the isolation air duct 5 is in the same plane as the partition 6. The arc-shaped isolation air duct 5 guides the airflow and reduces the abnormal noise of the airflow.

[0030] like Figures 1 to 6 As shown, the first housing 1 includes an additional housing 7, which is a conical structure, and the filter 3 is located between the bottom end of the additional housing 7 and the top of the isolation air duct 5. The additional housing 7 is integrally formed with the first housing 1 or is assembled on the first housing 1 by snap-fitting. The filter 3 is installed in the first housing 1 and above the impeller 4 and the isolation air duct 5. Its upper and lower ends are blocked by the conical additional housing 7 and supported by the isolation air duct 5, respectively. The position is stable and the filtering performance is reliable. The installation of the filter 3 can save the use of connectors, and the disassembly and replacement are more convenient, and the volume of the suction blower assembly will not be increased. Considering the position of the air passage opening in the suction blower assembly, the filter 3 occupies the entire surface of the air passage opening. With this design, the filter 3 can be easily disassembled by opening or removing the additional housing 7. In addition, the suction blower assembly is usually placed in an easily accessible position in the vehicle, so that the filter 3 can be easily disassembled and replaced, such as from the storage box of the vehicle. The additional housing 7 has a circular or square cross section and a simple structure. It is compatible with the shape of the first housing 1 and can form a uniform abutment effect on the edge of the filter 3 .

[0031] like Figure 1 As shown, the outlet ends of the first outlet channel 13 and the second outlet channel 14 are both located on the same side of the second housing 2. The first outlet channel 13 supplies air to the first section inside the vehicle, and the second outlet channel 14 supplies air to the second section inside the vehicle. The second outlet channel 14 and the first outlet channel 13 correspond to the upper outlet and the lower outlet of the impeller 4, respectively, and are located on the same side of the second housing 2, so as to synchronously guide the airflow to the front housing of the air conditioner.

[0032] like Figure 1 As shown, the inner circulation inlet channel 11 is connected to the inner circulation air, and the outer air inlet channel 12 is connected to the outer air. The inner circulation inlet channel 11 is connected to the inner circulation air inlet channel, and the outer air inlet channel 12 is connected to the outer air inlet channel. Therefore, the blower can separate two air flows, namely the inner circulation air flow and the air flow originating from the outside of the vehicle. Two different outlet channels can separate the air flow originating from the inner circulation air and the air flow originating from the outside of the vehicle. For example, the air extracted from the outside of the vehicle is preferably transported back to the interior of the vehicle near the windshield or directly onto the windshield after heating or cooling. On the contrary, the inner circulation air is preferably transported back to the interior of the vehicle at a certain distance from the windshield after heating or cooling.

[0033] like Figure 1 As shown, the top end of the damper 8 is hinged at the middle of the top of the first shell 1, and the damper 8 is located between the internal circulation inlet channel 11 and the external air inlet channel 12. The first shell 1 includes two air inlet areas, and the two air inlet areas include the internal circulation inlet channel 11 equipped with the damper 8 and the external air inlet channel 12. The damper 8 is rotatable between the internal circulation inlet channel 11 and the external air inlet channel 12. The damper 8 can be moved to the central section of the first shell 1. The damper 8 can control the opening and closing of the air inlet area. A single damper 8 can control the opening or closing of the internal circulation inlet channel 11 and the external air inlet channel 12, and respectively allow or prohibit the air flow to pass through the first or external air inlet channel 12. According to the position of the damper 8, the corresponding air can be guided to the inside and outside of the isolation air duct 5. The damper 8 has three stop positions to realize three air intake modes. In the first stop position, the damper 8 opens the external air inlet channel 12 and closes the internal circulation inlet channel 11. In the second stop position, the damper 8 closes the external air inlet channel 12 and opens the internal circulation inlet channel 11. In the third stop position, the damper 8 opens the internal circulation inlet channel 11 and the external air inlet channel 12.

[0034] like Figures 1 to 6As shown, a motor 16 is provided outside the bottom of the second housing 2, and the motor 16 is connected to the impeller 4. The position of the motor 16 does not affect the passage of airflow in the second housing 2. A deflector 15 is provided in the internal space of the impeller 4, and the radial outer edge of the deflector 15 extends in the lower radial plane of the impeller 4, and the deflector 15 and the inner surface of the isolation air duct 5 form a part of the first air channel.

[0035] The air conditioner includes the above-mentioned single-door double-laminar flow automobile air conditioner air intake structure assembly. The single-door double-laminar flow automobile air conditioner air intake structure is applied in the air conditioner to reduce the overall structural complexity of the air conditioner, and the filter 3 is easy to disassemble.

[0036] Figure 1 and Figure 2 This is the first air intake mode of the automobile air conditioning air intake structure, in which the external air intake channel 12 is opened and the internal circulation intake channel 11 is closed. In this case, the external air FE enters through the external air intake channel 12, passes through the filter 3 and the isolation air duct 5 and the lower part of the impeller 4, and enters the first outlet channel 13. In parallel, the external air FE also enters through the external air intake channel 12, passes through the filter 3 and the upper part of the impeller 4, and enters the second outlet channel 14. Such an air intake mode can be used, for example, in the case of heating the external air FE (for example, in winter or when changing seasons).

[0037] Figure 3 and Figure 4 This is the second air intake mode of the air intake structure of the automobile air conditioner, in which both the internal circulation inlet channel 11 and the external air inlet channel 12 are open. In this case, the internal circulation air FR enters through the internal circulation inlet channel 11, passes through the filter 3 and the isolation air duct 5 and the lower part of the impeller 4, and enters the first outlet channel 13. In parallel, the external air FE enters through the external air inlet channel 12, passes through the filter 3 and the upper part of the impeller 4, and enters the second outlet channel 14. Such an air intake mode can be used in the case of heating the air (for example, in winter or when changing seasons), so that the time required for the air to reach the set temperature is reduced, and the temperature of the air extracted from the interior of the vehicle is higher than the temperature of the outside air.

[0038] Figure 5 and Figure 6This is the third air intake mode of the automobile air conditioning air intake structure, in which the internal circulation inlet channel 11 is opened and the external air inlet channel 12 is closed. In this case, the internal circulation air enters through the internal circulation inlet channel 11, passes through the filter 3 and the isolation air duct 5 and the lower part of the impeller 4, and enters the first outlet channel 13. In parallel, the internal circulation air FR enters through the internal circulation inlet channel 11, passes through the filter 3 and the upper part of the impeller 4, and enters the second outlet channel 14. Such an air intake mode can be used, for example, in the case of air conditioning (for example, in summer). Specifically, in this case, the moisture present in the air inside the vehicle has a tendency to condense when the air passes into the evaporator for cooling the air. Therefore, the internal circulation air does not carry moisture, or only carries moisture slightly, and can be transported to the interior of the vehicle near the windshield, and the fogging degree of the windshield is reduced.

[0039] The single-damper double-layer flow automobile air-conditioning air inlet structure assembly has a reasonable structural design, fully utilizes the internal space of the air-conditioning air inlet shell, ensures smooth airflow, and has high stability and convenient disassembly and replacement of the filter 3, which will not significantly increase the volume of the blower, thus meeting the various functional requirements of vehicle heating, ventilation, and cooling, with a simple structure and low application cost.

[0040] 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-mentioned 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. A single-damper double-laminar flow automobile air conditioning air intake structure assembly, characterized in that: The invention comprises a first shell (1) and a second shell (2), wherein a filter (3) is arranged in the first shell (1), an impeller (4) is arranged in the second shell (2), an isolation air duct (5) is arranged between the filter (3) and the impeller (4), and the isolation air duct (5) divides the first shell (1) into a first air inlet channel (9) and a second air inlet channel (10); an internal circulation inlet channel (11) and an external air inlet channel (12) are respectively arranged at two ends of the top of the first shell (1), and a damper (8) is movably connected to the middle of the top of the first shell (1).

2. The single-damper double-laminar flow automobile air conditioner air inlet structure assembly according to claim 1, characterized in that: A partition (6) is provided in the middle of the second shell (2), and the partition (6) divides the internal space of the second shell (2) to form a first outlet channel (13) and a second outlet channel (14). The outlet end of the isolation air duct (5) is located below the partition (6), the first air inlet channel (9) is connected to the first outlet channel (13), and the second air inlet channel (10) is connected to the second outlet channel (14).

3. The single-damper double-laminar flow automobile air conditioner air intake structure assembly according to claim 2 is characterized in that: The isolation air duct (5) is arc-shaped, one end of the top of the isolation air duct (5) is connected to the middle of the filter (3), and the bottom end of the isolation air duct (5) is in the same plane as the partition (6).

4. The single-damper double-laminar flow automobile air conditioner air intake structure assembly according to claim 3 is characterized in that: The first shell (1) comprises an additional shell (7), the additional shell (7) is of a conical structure, and the filter (3) is located between the bottom end of the additional shell (7) and the top of the isolation air duct (5).

5. The single-damper double-laminar flow automobile air conditioner air inlet structure assembly according to claim 4 is characterized in that: The outlet ends of the first outlet channel (13) and the second outlet channel (14) are both located on the same side of the second shell (2).

6. The single-damper double-laminar flow automobile air conditioner air inlet structure assembly according to claim 5 is characterized in that: The internal circulation inlet passage (11) is in communication with the internal circulation air, and the external air inlet passage (12) is in communication with the external air.

7. The single-damper double-laminar flow automobile air conditioner air intake structure assembly according to claim 1 is characterized in that: The top end of the damper (8) is hinged to the middle of the top of the first shell (1), and the damper (8) is located between the internal circulation inlet channel (11) and the external air inlet channel (12).

8. The single-damper double-laminar flow automobile air conditioner air inlet structure assembly according to claim 6, characterized in that: A motor (16) is provided on the outside of the bottom of the second housing (2), and the motor (16) is connected to the impeller (4).

9. An air conditioner, characterized in that: It comprises the single-damper type double-laminar flow automobile air-conditioning air inlet structure assembly as described in any one of claims 1-8.

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