Air inlet structure of double-layer flow air conditioning cabinet

Abstract

The utility model discloses an air inlet structure of a double-layer flow air handling unit, which comprises an air inlet shell, an inlet air filter and an air blowing mechanism are sequentially arranged in the air inlet shell along the air inlet direction, and the air blowing mechanism comprises an air blower shell and an impeller. The middle partition plate used for partitioning the air flowing cavity in the air blower shell is arranged between the air blower shell and the impeller, the middle partition plate is arranged in the middle area of the impeller, and the air flowing cavity is partitioned into the upper cavity and the lower cavity which are consistent in circulation area. Air is fed from the single side of the air blower, so that the occupied space of the air handling unit can be effectively reduced, and the design requirement for light weight of an automobile air conditioner is met.

Description

TECHNICAL FIELD

[0001] The utility model relates to vehicle air conditioner technical field, concretely relates to a double -deck flow air conditioner box air inlet structure. BACKGROUND

[0002] The double -deck flow air conditioner box is characterized in that its structural design, it usually includes an air inlet box and a distribution box. The air inlet box is provided with an inner circulation air inlet, an outer circulation air inlet and a conversion air door, and the distribution box is provided with an air filter, an evaporator core, a plurality of air outlets and a partition. The partition separates the distribution box into an upper layer flow channel and a lower layer flow channel, so that air from the inner circulation and the outer circulation can be processed respectively to achieve energy saving effect. However, this type of structural design requires a separate flow channel to be arranged in the air conditioner box, and the air flow is moved by a fan, which increases the overall volume of the air conditioner box, thereby failing to meet the demand for lightweight and miniaturization of existing automobile air conditioners. SUMMARY

[0003] TECHNICAL PROBLEM: In view of the deficiencies of the existing vehicle air conditioner, the utility model discloses a double -deck flow air conditioner box air inlet structure.

[0004] TECHNICAL SCHEME: In order to achieve the above technical purpose, the utility model adopts the following technical scheme:

[0005] A double -deck flow air conditioner box air inlet structure, comprising an air inlet shell, an air inlet shell is provided with air inlet air filter and air blower mechanism in the air inlet shell along the air inlet direction in turn, the air blower mechanism includes the air blower shell and the impeller, the air blower shell and the impeller between the setting are used for separating the gas flow cavity in the air blower shell interior and divide the gas flow cavity into the upper cavity and the lower cavity with the same flow area, the air inlet shell is provided with the fresh air inlet and the inner circulation air inlet, the fresh air inlet and the inner circulation air inlet are connected with the air inlet of the air blower and communicate, the air inlet of the air blower is provided with the flow guide mechanism for separating the gas that the inner circulation air inlet and the fresh air inlet enter and corresponding import the upper cavity and the lower cavity.

[0006] Preferably, the flow guide mechanism of the utility model includes a flow guide shell, the upper end of the flow guide shell is connected with the inner circulation air inlet, the lower end is matched with the inner circle of the impeller and is located in the middle part of the impeller, and the flow space for the fresh air entering the impeller is left between the outer wall of the flow guide shell and the air inlet of the air blower. The inner circulation air is introduced into the lower cavity through the flow guide shell, and the fresh air enters the upper cavity.

[0007] Preferably, the air blower shell of the utility model is divided into the air blower lower shell and the air blower upper shell, and the middle partition plate is installed between the air blower upper shell and the air blower lower shell. The middle partition plate is installed and fixed through the air blower upper shell and the air blower lower shell.

[0008] Preferably, the air inlet shell of the utility model is correspondingly provided with a new air inlet and an internal circulation air inlet for controlling the air volume, the new air inlet is connected with a new air inlet motor, and the internal circulation air inlet is connected with an internal circulation air inlet motor.

[0009] Beneficial effects: the double-layer flow air conditioner box air inlet structure disclosed by the utility model can effectively reduce the occupied space of the air conditioner box and meet the design requirement of lightweight automobile air conditioner under the condition of saving energy consumption of double-layer flow air inlet. BRIEF DESCRIPTION OF DRAWINGS

[0010] In order to more clearly illustrate the technical schemes in the embodiments of the utility model or the prior art, the drawings needed to be used in the embodiment or the prior art description will be briefly introduced.

[0011] Fig. 1 It is the whole structure diagram of the air conditioner box air inlet structure of the utility model;

[0012] Fig. 2 It is the explosion view of the air conditioner box air inlet structure of the utility model;

[0013] Fig. 3 It is the cooperation schematic view of the flow guide mechanism and the air blower of the utility model;

[0014] Among them, 1-air inlet shell, 2-air filter, 3-air blower shell, 4-impeller, 5-middle partition, 6-upper cavity, 7-lower cavity, 8-new air inlet, 9-internal circulation air inlet, 10-flow guide shell, 11-air blower lower shell, 12-air blower upper shell, 13-new air door, 14-internal circulation air door, 15-new air door motor, 16-internal circulation air door motor. DETAILED DESCRIPTION

[0015] Reference will now be made in detail to embodiments of the present disclosure, one or more examples of which are set forth herein below. Each example and embodiment provides an explanation of the devices, components, and materials of the present disclosure, and is not a limitation. Rather, the following description provides a convenient illustration for implementing exemplary embodiments of the present disclosure. Indeed, those of skill in the art will readily appreciate that various modifications and changes can be made to the present disclosure without departing from its scope or spirit.

[0016] As Figs. 1-3The utility model discloses a double -layer flow air -conditioning box air -intaking structure, including air intake shell 1, in the air intake shell along the air intake direction and set up air intake air filter 2 and air blower mechanism in proper order, the air blower mechanism includes air blower casing 3 and impeller 4, set up the partition 5 for separating the gas flow cavity in the air blower casing 3 between air blower casing 3 and impeller 4, the partition 5 sets up in the middle area of impeller 4, and the gas flow cavity is separated into the upper cavity 6 and lower cavity 7 of the flow area is consistent, set up the fresh air inlet 8 and the internal circulation air inlet 9 on air intake shell 1, and the fresh air inlet 8 and internal circulation air inlet 9 all are linked together with the air inlet of air blower, and the fresh air inlet 8 and internal circulation air inlet 9 are correspondingly set up for controlling the air volume of fresh air damper 13, internal circulation air door 14 at the place, and the fresh air damper 13 is connected with fresh air damper motor 15, and internal circulation air door 14 is connected with internal circulation air door motor 16, set up the flow guide mechanism for separating the gas that the internal circulation air inlet 9 and fresh air inlet 8 enter and corresponding import upper cavity 6 and lower cavity 7 at the air inlet of air blower.

[0017] In order to realize the separation of different air intakes and the distribution of gas flowing into the air blower cavity, as shown in the utility model, Fig. 3 The utility model discloses a flow guide mechanism, which comprises a flow guide casing 10, the upper end of the flow guide casing 10 is communicated with the internal circulation air inlet 9, the lower end of the flow guide casing 10 is matched with the inner periphery of the impeller 4 and is located at the middle part of the impeller 4, and a flow space for the fresh air entering the impeller 4 is left between the outer wall of the flow guide casing 10 and the air inlet of the air blower, the internal circulation air is guided into the lower cavity 7 through the flow guide casing 10, and the fresh air enters the upper cavity 6, through the flow guide mechanism of the utility model, even in the case of one-sided air intake of the air blower, the gas can still be guided into the corresponding cavity, the air intake effect of double-layer flow is realized, and compared with the double-sided air intake mode, the occupied space of the air intake structure can be reduced, the overall volume of the air conditioner box can be reduced, and the demand of lightweight design of the air conditioner box can be met.

[0018] In order to facilitate the assembly of the structure, the air blower casing 3 is divided into an air blower lower casing 11 and an air blower upper casing 12, the partition 5 is installed between the air blower upper casing 12 and the air blower lower casing 11, the partition 5 is fixed by the air blower upper casing 12 and the air blower lower casing 11, the installation difficulty of the structure is reduced, and maintenance is facilitated.

[0019] The utility model discloses a blast machine's gas flow cavity is divided into upper cavity 6 and lower cavity 7 through the middle partition 5, and the fresh air door motor 15 controls the fresh air door 12 to rotate to the outside circulation mode, and the inner circulation air door motor 16 controls the inner circulation air door 14 to rotate to the inner circulation mode. When the blast machine works, the wind is inhaled simultaneously through the inner circulation and the outside circulation, and the wind inhaled through the inner circulation is guided into the lower cavity 7 through the flow guide casing 10, and the wind inhaled through the outside circulation is guided into the upper cavity 6, forming a double-layer inhaled wind mode, the upper fresh air inhaled wind is sent to the defrosting air port to achieve the effect of defogging, and the lower inner circulation inhaled wind is sent to the foot blowing air port to increase the air temperature, thereby achieving the effect of energy saving while satisfying the lightweight design requirement and saving the whole vehicle arrangement space.

Claims

1. A double-layer flow air conditioning box air inlet structure, characterized in that, The application relates to an air supply casing (1), an air inlet air filter (2) and a blower mechanism arranged in the air supply casing in sequence along the air inlet direction, wherein the blower mechanism comprises a blower casing (3) and an impeller (4), a middle partition plate (5) is arranged between the blower casing (3) and the impeller (4) to separate the gas flow cavity inside the blower casing (3), the middle partition plate (5) is arranged in the middle area of the impeller (4), the gas flow cavity is divided into an upper cavity (6) and a lower cavity (7) with the same flow area, a fresh air inlet (8) and an internal circulation air inlet (9) are arranged on the air supply casing (1), the fresh air inlet (8) and the internal circulation air inlet (9) are connected with the air inlet of the blower, and a flow guide mechanism is arranged at the air inlet of the blower to separate the gas entering the internal circulation air inlet (9) and the fresh air inlet (8) and guide the gas into the upper cavity (6) and the lower cavity (7) correspondingly.

2. The double-layered flow air conditioning box air inlet structure according to claim 1, characterized in that, The flow guide mechanism comprises a flow guide casing (10), the upper end of the flow guide casing (10) is connected with the internal circulation air inlet (9), the lower end of the flow guide casing (10) is matched with the inner periphery of the impeller (4) and is located in the middle area of the impeller (4), a flow space for the fresh air entering the impeller (4) is left between the outer wall of the flow guide casing (10) and the air inlet of the blower, the internal circulation air is guided into the lower cavity (7) through the flow guide casing (10), and the fresh air enters the upper cavity (6).

3. The double-layered flow air conditioning unit according to claim 1, wherein, The blower casing (3) is divided into a blower lower casing (11) and a blower upper casing (12), the middle partition plate (5) is arranged between the blower upper casing (12) and the blower lower casing (11), and the middle partition plate (5) is fixed by the blower upper casing (12) and the blower lower casing (11).

4. The double-layered flow air conditioning unit according to claim 1, wherein, The air supply casing (1) is provided with a fresh air damper (13) and an internal circulation damper (14) for controlling the air volume at the fresh air inlet (8) and the internal circulation air inlet (9), the fresh air damper (13) is connected with a fresh air damper motor (15), and the internal circulation damper (14) is connected with an internal circulation damper motor (16).

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