An air inlet water blocking device for an air conditioner

Abstract

The present invention discloses a new type of water-blocking device for the air intake of an air conditioner. The water-blocking device for the air intake of the air conditioner in the present invention is based on a conventional water tank cover plate, and a unique water guide plate assembly and a water-blocking tank assembly are designed. Four internal water-blocking walls are innovatively provided, and the separation of water and gas is more thorough. In particular, the third and fourth water-blocking walls can effectively avoid the backflow of water and liquid into the air intake system of the air conditioner caused by vehicle bumps, uphill and downhill driving, and accelerating and decelerating around curves. While improving the product quality and the vehicle's overall water management ability, it reduces after-sales claims and customer complaints. The water-blocking device of this patent adopts a structural split design concept. The individual parts after splitting have relatively simple structures. For example, the water guide plate assembly, the upper shell of the water-blocking tank, and the lower shell of the water-blocking tank are more suitable for injection molding. The manufacturing process is simple, the increased cost is small, which is conducive to the promotion and use by enterprises; the product structure of this patent is compact, requires little layout space, reduces the difficulty of engine compartment layout, and is suitable for promotion.

Description

Technical Field

[0001] The invention belongs to the technical field of automobiles, in particular to a water retaining device for an air inlet of an air conditioner. Background Art

[0002] At present, the air-conditioning water baffles of most car models only provide simple blocking functions. However, when encountering extreme usage scenarios such as heavy rain, car washing, severe bumpy driving, accelerating uphill and turning, decelerating and turning downhill, some water will splash and enter the air-conditioning air intake system under the suction of the air conditioner, causing the blower motor to rust or water leakage in the car and other failures, which has become a difficult technical problem to solve in the after-sales market. Summary of the invention

[0003] In view of the above problems, the present invention provides a water retaining device for the air inlet of an air conditioner. The present invention is a water retaining device for the air inlet of an air conditioner. Water vapor enters the water retaining device through the air inlet grille of the water tank cover. The water entering the water tank can be discharged out of the vehicle through the provided drainage cavity and drainage port. At the same time, four water retaining walls are set inside to effectively prevent water from being sucked into the air conditioning air intake system, thereby solving the above-mentioned technical problems in the after-sales market.

[0004] The technical solution of the present invention is as follows: an air-conditioning air inlet water retaining device, comprising:

[0005] The water tank cover assembly, the water guide plate assembly and the water retaining tank assembly are composed.

[0006] An air inlet grille is provided on the water tank cover assembly, and the air inlet grille is arranged near the air inlet side of the air conditioner or a part of the air inlet grille is opened and arranged near the air inlet side of the air conditioner.

[0007] A first water retaining wall is arranged inside the water guide plate assembly, and a first drainage outlet is arranged at the lowest point of the water guide plate assembly in the Z direction.

[0008] The water retaining trough assembly consists of a water retaining trough upper shell and a water retaining trough lower shell, and the water retaining trough upper shell and the water retaining trough lower shell are fixed by ultrasonic welding.

[0009] The lower shell of the water retaining trough is provided with a second drain outlet at the lowest point in the Z direction, a third water retaining wall is provided near the air inlet of the air conditioner; and a fourth water retaining wall is provided at the air inlet of the air conditioner.

[0010] The upper shell of the water retaining trough is provided with a second water retaining wall.

[0011] Furthermore, the closer the second water retaining wall is to the second drain outlet, the higher the height of the water retaining wall is.

[0012] Furthermore, the third retaining wall is divided into two left and right retaining wall structures in an eight-shaped shape, wherein the retaining wall close to the driver's side is at the front end.

[0013] Furthermore, the third water retaining wall is in a straight shape, and the distance between the third water retaining wall and the inner wall of the housing near the second drain outlet is 2 - 3 mm.

[0014] Furthermore, the first drain outlet and the second drain outlet are circular or irregular in shape.

[0015] Furthermore, the first drain outlet is on one side of the first water retaining wall, and a third drain outlet is also provided on the other side of the first water retaining wall.

[0016] Furthermore, the second drain outlet is arranged at one end of the third water retaining wall, and a fourth drain outlet is provided at the other end of the third water retaining wall.

[0017] The beneficial effects of the present invention are as follows:

[0018] The water retaining device for the air inlet of the air conditioner of the present invention is based on a conventional water tank cover plate, with a uniquely designed water guide plate assembly and water retaining tank assembly, and four internal water retaining walls are innovatively provided. The separation of water and gas is more thorough. In particular, the third and fourth water retaining walls can effectively avoid the backflow of water into the air inlet system of the air conditioner caused by vehicle bumps, uphill and downhill driving, and accelerating and decelerating through curves. While improving the product quality and the vehicle's water management ability, it reduces after-sales claims and customer complaints. The water retaining device of this patent adopts a structural split design concept, and the individual parts after splitting are relatively simple in structure. For example, the water guide plate assembly, the upper shell of the water retaining tank, and the lower shell of the water retaining tank are more suitable for injection molding, with simple manufacturing processes and less additional cost, which is conducive to the promotion and use by enterprises; the product structure of this patent is compact, with small space requirements for layout, reducing the difficulty of engine compartment layout and being suitable for promotion. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic structural diagram of the water retaining device for the air inlet of the air conditioner of the present invention.

[0020] Figure 2 It is a schematic structural diagram I of the water guide plate assembly of the present invention.

[0021] Figure 3 It is a schematic structural diagram of the upper shell of the water retaining tank of the present invention.

[0022] Figure 4 It is a schematic structural diagram of the lower shell of the water retaining tank of the present invention.

[0023] Figure 5 It is a schematic front view structural diagram of the device of the present invention.

[0024] Figure 6 It is Figure 5 a schematic DD cross-sectional view.

[0025] Figure 7 It is Figure 5 a schematic CC cross-sectional view.

[0026] Figure 8 Schematic diagram of the third drain opening of the water guide plate assembly of the present invention.

[0027] Figure 9 Schematic diagram of the fourth drain opening of the lower housing of the water retaining trough of the present invention.

[0028] Figure 10 Schematic diagram of the third water retaining wall of the lower housing of the water retaining trough of the present invention.

[0029] Figure 11 Schematic diagram of the third water retaining wall and the fourth drain opening of the lower housing of the water retaining trough of the present invention.

[0030] Figure 12 Schematic diagram II of the structure of the water guide plate assembly of the present invention.

[0031] Figure 13 Schematic diagram of the structure of the water retaining trough assembly of the present invention.

[0032] In the figure:

[0033] 1 - water trough cover assembly; 2 - water guide plate assembly; 3 - water retaining trough assembly; 4 - air inlet grille; 5 - first water retaining wall; 6 - upper housing of the water retaining trough; 7 - lower housing of the water retaining trough; 8 - first drain opening; 9 - second water retaining wall; 10 - third water retaining wall; 11 - fourth water retaining wall; 12 - second drain opening; 13 - second drain cavity; 14 - third drain opening; 15 - fourth drain opening; 16 - first drain cavity. Detailed implementation manners

[0034] It should be noted that in the description of the present invention, the orientation or positional relationship indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", "clockwise", "counterclockwise", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation.

[0035] In the present invention, unless otherwise clearly specified and limited, terms such as "set", "installed", "connected", "coupled", etc. should be understood in a broad sense. For example, "fixed" can be a fixed connection, a detachable connection, or integrated; the connection can be a mechanical connection or an electrical connection; the connection can be a direct connection or an indirect connection through an intermediate medium, and can be the internal communication of two elements or the interaction relationship between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

[0036] The X direction is parallel to the ground plane direction, the Y direction is parallel to the ground plane and perpendicular to the X direction, and the Z direction is perpendicular to the X direction and perpendicular to the Y direction.

[0037] To solve the above problems, the technical solution adopted by the present invention is to provide a water blocking device for the air inlet of an air conditioner. The specific technical solution is implemented as follows:

[0038] The humid air doped with rainwater, under the suction of the air conditioner blower, enters the inside of the water guide plate assembly 2 from the air inlet grille 4 of the water tank cover assembly 1. Most of the rainwater flows along the first drainage cavity 16 of the water guide plate assembly 2 and flows into the second drainage cavity 13 of the water blocking tank lower housing 7 through the first drainage port 8, and finally flows out of the vehicle through the second drainage port 12.

[0039] Since the openings of a part of the air inlet grille 4 cannot avoid the air inlet of the air conditioner in the Y direction, a part of the rainwater, such as Figure 6 , enters the ventilation cavity at the rear of the first water blocking wall 5 of the water guide plate assembly from the air inlet grille 4. After the water vapor enters the water blocking tank assembly 3, it encounters the second water blocking wall 9 for water-vapor separation. When the humid air flows around the third water blocking wall 10, some water droplets are blocked and flow along the water blocking wall to the second drainage port 12.

[0040] Under some extreme driving conditions of the vehicle (such as accelerating uphill and turning sharply), the rainwater accumulated at the bottom of the water blocking tank lower housing 7 will flow back under the action of inertia and centrifugal force. The "V-shaped" third water blocking wall 10 will block the water once. If the backflow situation is serious, a small amount of water may splash over the third water blocking wall 10. When it encounters the fourth water blocking wall 11, it will block the water again. The blocked water flows through the notch of the "V-shaped" third water blocking wall 10 to the second drainage port 12 and flows out of the vehicle.

[0041] A water blocking device for the air inlet of an air conditioner is composed of a water tank cover assembly 1, a water guide plate assembly 2 and a water blocking tank assembly 3.

[0042] The water tank cover assembly 1 includes an air inlet grille 4, which is arranged on the side close to the air inlet of the air conditioner or a part of the openings of the air inlet grille 4 are arranged on the side close to the air inlet of the air conditioner.

[0043] The water guide plate assembly 2 is provided with a first water blocking wall 5, and at the same time, a first drainage port 8 is arranged at the lowest position in the Z direction of the water guide plate assembly 2. The shape of the drainage port can be a regular shape or an irregular shape.

[0044] The water blocking tank assembly 3 is composed of a water blocking tank upper housing 6 and a water blocking tank lower housing 7. The water blocking tank upper housing 6 and the water blocking tank lower housing 7 are ultrasonically welded.

[0045] The water blocking tank upper housing 6 is provided with a second water blocking wall 9. The closer to the second drainage port 12, the higher the height of the water blocking wall.

[0046] The lower housing 7 of the water retaining tank is provided with a second drain port 12 at the lowest position in the Z direction, and an "inverted V-shaped" third water retaining wall 10 is arranged at a position close to the air inlet of the air conditioner; a fourth water retaining wall 11 is arranged at the air inlet of the air conditioner.

[0047] The shape of the second drain port 12 can be circular, oval, or irregular.

[0048] The third water retaining wall 10 is characterized in that it is distributed in an "inverted V-shaped". The third water retaining wall 10 is divided into two water retaining wall structures on the left and right. Among them, the water retaining wall closer to the driver's side is closer to the front end of the vehicle (+X direction).

[0049] First embodiment: The humid air doped with rainwater is sucked by the suction of the air conditioner blower and enters the interior of the water guide plate assembly 2 from the air inlet grille 4 of the water tank cover assembly 1. Most of the rainwater flows along the first drainage cavity 16 of the water guide plate assembly 2 and flows into the second drainage cavity 13 of the lower housing 7 of the water retaining tank assembly through the first drain port 8, and finally flows out of the vehicle through the second drain port 12.

[0050] Because the openings of a part of the air inlet grille 4 cannot avoid the air inlet of the air conditioner in the Y direction, part of the rainwater will be like Figure 6 , enter the ventilation cavity behind the first water retaining wall 5 of the water guide plate assembly 2 from the air inlet grille 4. After the water vapor enters the water retaining tank assembly, it meets the second water retaining wall 9 for water vapor separation. When the humid air flows around the third water retaining wall 10, part of the water droplets are blocked and flow along the water retaining wall to the second drain port 12.

[0051] In some extreme driving conditions of the vehicle (such as accelerating uphill and turning sharply), the rainwater accumulated at the bottom of the lower housing 7 of the water retaining tank will flow back under the action of inertia and centrifugal force. The "inverted V-shaped" third water retaining wall 10 will block the water once. If the backflow situation is serious, a small amount of water may splash over the third water retaining wall 10. When it meets the fourth water retaining wall 11, it will block the water for the second time. The blocked water flows through the notch of the "inverted V-shaped" third water retaining wall 10 to the second drain port 12 and flows out of the vehicle.

[0052] For the detailed structure of the first embodiment, please refer to Figures 1 to 7 .

[0053] Second embodiment: The difference from the first embodiment is that the water guide plate assembly 2 is provided with two drain ports, namely the first drain port 8 and the third drain port 14. For the detailed structure, please refer to Figure 8 .

[0054] Third embodiment: The difference from the first embodiment is that the lower housing 7 of the water retaining tank is provided with two drain ports, namely the second drain port 12 and the fourth drain port 15. For the detailed structure, please refer to Figure 9 .

[0055] Fourth Embodiment: A third water retaining wall 10 arranged in a "one - shaped" manner is provided on the lower housing 7 of the water retaining tank, and a gap of 2 - 5 mm is left between the side near the second drain port 12 and the inner wall of the housing, so that the residual liquid between the third water retaining wall 10 and the fourth water retaining wall 11 can flow back to the second drain port 12. For the detailed structure, refer to Figure 10 .

[0056] Fifth Embodiment: On the basis of the fourth embodiment, a fourth drain port 15 is added to the lower housing 7 of the water retaining tank. For the detailed structure, refer to Figure 11 .

[0057] Sixth Embodiment: The water guide plate assembly 2 is provided with two drain ports, namely a first drain port 8 and a third drain port 14. For the detailed structure, refer to Figure 7 . The lower housing 7 of the water retaining tank is provided with two drain ports, namely a second drain port 12 and a fifth drain port 15. For the detailed structure, refer to Figure 8 、 Figure 9 .

[0058] Seventh Embodiment: The water guide plate assembly 2 is provided with two drain ports, namely a first drain port 8 and a third drain port 14. A third water retaining wall 10 arranged in a "one - shaped" manner is provided on the lower housing 7 of the water retaining tank, and a gap of 2 - 5 mm is left between the side near the second drain port 12 and the inner wall of the housing, so that the residual liquid between the third water retaining wall 10 and the fourth water retaining wall 11 can flow back to the second drain port 12. For the detailed structure, refer to Figure 8 , 10.

[0059] Eighth Embodiment: The water guide plate assembly 2 is provided with two drain ports, namely a first drain port 8 and a third drain port 14. A third water retaining wall 10 arranged in a "one - shaped" manner is provided on the lower housing 7 of the water retaining tank, and a gap of 2 - 5 mm is left between the side near the second drain port 12 and the inner wall of the housing, so that the residual liquid between the third water retaining wall 10 and the fourth water retaining wall 11 can flow back to the second drain port 12. The lower housing 7 of the water retaining tank assembly is provided with two drain ports, namely a second drain port 12 and a fourth drain port 15. For the detailed structure, refer to Figure 8 , 11.

[0060] Table 1 Characteristics of Each Embodiment

[0061]

[0062]

[0063] As described above, it is only the specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention, any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be covered within the protection scope of the present invention. At the same time, the content not described in detail in this specification belongs to the prior art well known to those skilled in the art.

[0064] It should be noted that, in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements not only includes those elements, but also includes other elements not expressly listed, or further includes elements inherent to such process, method, article or device.

Claims

1. An air intake water blocking device for an air conditioner, characterized in that, it comprises: a water tank cover assembly, a water guide plate assembly and a water blocking tank assembly. An air inlet grille is provided on the water tank cover assembly, and the air inlet grille is arranged on the side close to the air conditioner air inlet or part of the air inlet grille is arranged with an opening on the side close to the air conditioner air inlet; a first water blocking wall is arranged inside the water guide plate assembly, and a first drain port is arranged at the lowest position in the Z direction of the water guide plate assembly; the water blocking tank assembly is composed of a water blocking tank upper shell and a water blocking tank lower shell; a second drain port is arranged at the lowest position in the Z direction of the water blocking tank lower shell, and a third water blocking wall is arranged at a position close to the air conditioner air inlet; a fourth water blocking wall is arranged at the air inlet of the air conditioner, and a second water blocking wall is arranged on the water blocking tank upper shell; the third water blocking wall is divided into a left and a right water blocking wall structure, in a shape of an inverted V, and a gap is formed between the left and right water blocking walls, wherein the water blocking wall structure closer to the driver side is closer to the front end of the vehicle; the second drain port is arranged at one end of the third water blocking wall, and a fourth drain port is arranged on the same side at the other end of the third water blocking wall, the first drain port is on one side of the first water blocking wall, and a third drain port is also arranged on the other side of the first water blocking wall.

2. The air intake water blocking device for an air conditioner according to claim 1, characterized in that, one end of the second water blocking wall is high and the other end is low, and the closer the second water blocking wall is to the second drain port, the higher the height of the water blocking wall.

3. The air intake water blocking device for an air conditioner according to claim 2, characterized in that, the first drain port and the second drain port are oval or irregular in shape.

4. The air intake water blocking device for an air conditioner according to claim 1, characterized in that, the water blocking tank upper shell and the water blocking tank lower shell are fixed by ultrasonic welding.

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