WO2017084461A1

WO2017084461A1 - Automobile air conditioner

Info

Publication number: WO2017084461A1
Application number: PCT/CN2016/102395
Authority: WO
Inventors: 王铭坤; 夏光辉; 姚新祥; 胡锐鸿; 李小怀; 林坚生; 曾婧; 何帅; 马海林; 陈振明
Original assignee: 珠海格力电器股份有限公司
Priority date: 2015-11-16
Filing date: 2016-10-18
Publication date: 2017-05-26
Also published as: CN105216582B; CN105216582A

Abstract

An automobile air conditioner comprises an outer housing (1) and a chassis (2). An inner unit area (21) for mounting an inner unit and an outer unit area (22) for mounting an outer unit are located in a space between the outer housing (1) and the chassis (2). The outer housing (1) is provided with an air inlet, the air inlet having a water retaining structure. An air outlet is provided at an end portion, close to the outer unit area (22), of the chassis (2). An outer housing of the air conditioner is provided with an air inlet, the air inlet area can be increased, and the condensation pressure is reduced. Meanwhile, heat dissipation of a compressor of an outer unit area is facilitated. Moreover, the air inlet of the outer housing is provided with the water retaining structure, and is capable of preventing rain and high-pressure automobile washing water from entering an electrical appliance box part of the outer unit area. An air outlet of a chassis is away from the air inlet of the outer housing, so hot air reflowing cannot be caused.

Description

Car air conditioner

Technical field

The invention relates to the field of air conditioners, and in particular to a vehicle air conditioner.

Background technique

In the face of the harsh vehicle environment, the general car air conditioner needs to have the functions of anti-rain and car wash water on the premise of ensuring stable performance and reliable quality. The outer casing of the existing vehicle air conditioner adopts a sealing method, and the wind is introduced from the chassis, and the wind is discharged on both sides of the rear portion of the chassis. The disadvantages brought by the above arrangement are:

1) The inlet air area is small, resulting in too high condensing pressure, which has a great impact on performance;

2) Because the sides of the casing are sealed, it is not conducive to the heat dissipation of the compressor, and also has an impact on performance;

3) When entering the wind from the chassis, the wind is discharged on both sides of the rear part of the chassis. The distance between the air inlet and the air outlet is too close, and the air intake will be affected, causing hot air to flow back.

Summary of the invention

It is an object of the present invention to provide a vehicle air conditioner that can both increase an air intake area and be effective in waterproofing.

In order to achieve the above object, the present invention provides an in-vehicle air conditioner including an outer casing and a chassis, and an inner machine area for installing the inner machine and an outer machine area for installing the outer machine are located in the outer casing and the chassis In the space between the outer casing, the outer casing is provided with an air inlet, and the air inlet is provided with a water retaining structure, and an end portion of the chassis adjacent to the outer casing is provided with an air outlet.

In a preferred or alternative embodiment, the air inlet includes a first air inlet provided on both sides of the outer casing.

In a preferred or alternative embodiment, the water retaining structure of the first air inlet is a feed grill.

In a preferred or alternative embodiment, the grid of the inlet grille is curved to direct water from the inner zone to the trailing end of the outer zone.

In a preferred or alternative embodiment, the inlet grill is located at a location of the outer casing electrical box and is provided with a sealing structure.

In a preferred or alternative embodiment, the portion of the outer four-way valve is provided with a first baffle.

In a preferred or alternative embodiment, the air inlet includes a second air inlet disposed at an end of the outer casing adjacent the outer casing.

In a preferred or alternative embodiment, the water retaining structure of the second air inlet includes a second baffle on one side of the outer casing electrical box and a drain plate on the other side of the outer casing.

In a preferred or alternative embodiment, the drain plate is curved to direct water from one side of the outer zone electrical box to the other.

In a preferred or alternative embodiment, the inner machine section is provided with a waterproof volute cover to enclose the inner hood.

In a preferred or alternative embodiment, the chassis is provided with a third baffle that cooperates with the waterproof volute cover, and the third baffle is used to interconnect the internal and external machines on the chassis isolation.

In a preferred or alternative embodiment, the power take-off slot of the power box of the outer box electrical box is provided with a water retaining jacket.

In a preferred or alternative embodiment, the lead wires of the strong area of the outer box electrical box are U-bend structures.

In a preferred or alternative embodiment, the vehicle air conditioner is a overhead room air conditioner.

Based on the above technical solutions, the present invention has at least the following beneficial effects:

The chassis and the outer casing of the invention are provided with air inlets, which can increase the air inlet area, reduce the condensing pressure, and also facilitate the heat dissipation of the compressor in the outer machine area, and the air inlet of the outer casing is provided with a water retaining structure, which can prevent dripping The rain and high-pressure car wash water enters the electrical box of the outer machine area. Moreover, the air outlet of the chassis and the air inlet on the outer casing are far apart, and hot air is not returned.

DRAWINGS

The drawings described herein are intended to provide a further understanding of the invention, and are intended to be a part of the invention. In the drawing:

1 is a schematic structural view of an exemplary embodiment of a vehicle air conditioner provided by the present invention;

2 is a rear view of the outer casing provided by the present invention;

Figure 3 is a side elevational view of the outer casing provided by the present invention;

4 is a schematic structural view of a feed style grill provided on an outer casing provided by the present invention;

FIG. 5 is an enlarged schematic view showing a partial structure of a feed grille provided by the present invention; FIG.

6 is a schematic view of a first baffle provided in an outer machine area provided by the present invention;

Figure 7 is a schematic structural view of a first baffle provided by the present invention;

8 is a schematic view of a water retaining structure at a second air inlet provided by the present invention;

Figure 9 is a schematic view of a waterproof volute cover and a chassis provided by the present invention;

Figure 10 is a schematic illustration of a chassis provided by the present invention.

Number in the drawing:

1-outer body; 11-first air inlet; 12-second air inlet;

2-chassis; 21-inner area; 22-outer area; 23-air outlet;

3-in style grille; 31-seal structure;

4-first baffle; 5-second baffle; 6-drainage plate; 7-waterproof volute cover; 8-third baffle; 9-electric box strong electric area;

A-wind direction; B-rain direction.

detailed description

The technical solutions in the embodiments will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. It is apparent that the described embodiments are only a part of the embodiments of the invention, and not all of them. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative efforts are within the scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "transverse", "front", "back", "left", "right", "vertical", "horizontal", The orientation or positional relationship of the "top", "bottom", "inside", "outside" and the like is based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description of the present invention and a simplified description, rather than indicating or implying The device or component referred to must have a particular orientation, is constructed and operated in a particular orientation, and thus is not to be construed as limiting the scope of the invention.

As shown in FIG. 1 , an exemplary embodiment of a vehicle air conditioner provided by the present invention, in the exemplary embodiment, an automotive air conditioner includes an outer casing 1 and a chassis 2 for mounting an inner machine section 21 of the inner machine and for mounting The outer zone 22 of the outer casing is located in the space between the outer casing 1 and the chassis 2, and the outer zone 22 of the chassis 2 is provided with an air inlet. The outer casing 1 is also provided with an air inlet port, which can increase the air inlet area, reduce the condensing pressure, and also facilitate the heat dissipation of the compressor in the outer machine section 22, and the air inlet of the outer casing 1 is provided with a water retaining structure to prevent rain and high pressure. The car wash water enters the electrical box portion of the outer machine area 22, and the end portion of the chassis 2 adjacent to the outer machine area 22 is provided with an air outlet 23, and the air inlets and the air outlets are far apart from each other, and hot air is not returned.

The invention can prevent the rainwater and the high-pressure car wash water from splashing into the key parts of the air conditioner to affect the performance and safety while increasing the air intake.

As shown in FIG. 2, the air inlet of the outer casing 1 may include a first air inlet 11 provided on both sides of the outer casing 1. The air inlet of the outer casing 1 may further include a second air inlet 12 provided at an end of the outer casing 1 adjacent to the outer casing 22. The outer casing 1 is provided with a plurality of air inlets, which can increase the air inlet area.

As shown in FIG. 3, the water retaining structure of the first air inlet 11 is the inlet grille 3, and can prevent the rainwater and the high-pressure car wash water from entering the outer casing 1 without affecting the intake air.

As shown in FIG. 4, the inlet grille 3 may be provided with a sealing structure 31 at a portion of the outer casing 22 electrical box and/or at a portion of the outer casing 22 compressor. The sealing structure 31 has a water blocking function, and adopts a partial sealing manner of the inlet grille 3 to block water and not affect the air intake, and the area of the sealing structure 31 can be determined according to the size of various electrical boxes and/or compressors. Adjust the design.

As shown in FIG. 5, the grid of the inlet grill 3 may be curved to direct water from the inner zone 21 to the trailing end of the outer zone 22.

For example, the grid of the inlet grille 3 can adopt a zigzag oblique wind inlet structure, which can effectively prevent rain and car wash water from entering the electrical box of the outer machine zone 22, and the direction of drainage can effectively guide the water to the outer zone. 22 at the end of the condenser to improve safety and reliability.

In a preferred or alternative embodiment, as shown in FIG. 5, the grid of the zigzag vortex structure has a design size and an angular range: the length of the vertical plate of the zigzag grid is L1, The size ranges from 0 to 15 mm, the length of the lower transverse plate of the Z-shaped grid is L2, and the size ranges from 0 to 10 mm, and the angle between the vertical plate and the lower transverse plate of the Z-shaped grid is A. The angle ranges from 10° to 175°. Through experiments, the use of the above size range can effectively direct water from the inner machine section 21 to the tail end of the outer machine section 22.

As shown in FIG. 6 and FIG. 7, the first baffle 4 is disposed at a portion where the four-way valve of the outer machine section 22 is located, and the first baffle 4 half-packs the four-way valve. If water enters the interior of the air conditioner, the first baffle 4 prevents the water from splashing into the strong portion of the four-way valve.

As shown in FIG. 8, the water retaining structure of the second air inlet 12 includes a second baffle 5 on the side of the electrical box of the outer casing 22 and a drain plate 6 on the other side of the outer casing 22, and the drain plate 6 is used for The water is led from the side of the electrical box of the outer machine zone 22 to the side away from the electrical box. The U-shaped reinforcing plate is further provided on the second baffle 5 to strengthen the strength of the second baffle 5.

The water retaining structure of the second air inlet 12 adopts different left and right structure manners, and the second baffle 5 is used for the side of the electrical box to effectively block water, preventing rainwater or car wash water from splashing into the electrical box, and the airflow guiding does not affect the air inlet. For the other side of the drainage plate 6, the water flow can be directed to the side away from the electrical box to prevent rain or car wash water from splashing into the electrical box without obstructing the incoming air.

In a preferred or alternative embodiment, the deflector 6 is curvilinear and can direct water from the side of the outer casing 22 to the other side to prevent rain or car wash water from splashing into the electrical box.

In the above embodiments, a special inlet grille and a water retaining plate structure are added on both sides and the rear portion of the outer casing 1 of the vehicle air conditioner, so that it can meet the air intake and effectively prevent rain and high-pressure car wash water. .

As shown in FIG. 9, the inner machine section 21 can also be provided with a waterproof volute cover 7, which can be provided with an inner hood to prevent rainwater or car wash water from splashing onto the internal machine. The inner machine section 21 of the chassis 2 is provided with an inner air inlet and an inner air outlet, and the waterproof volute cover 7 can function as an inner air passage.

The chassis 2 may also be provided with a third baffle 8 that cooperates with the waterproof volute cover 7, and the third baffle 8 serves to isolate the inner and outer machines on the chassis 2 from each other. The waterproof volute cover 7 is provided with a gap matching with the third baffle 8, and the waterproof volute cover 7 can be inverted on the third baffle 8, that is, the third baffle 8 is inserted into the gap of the waterproof volute cover 7. Inside. If there is car wash water or rain splashing into the outer zone 22 of the car air conditioner, the third baffle 8 on the chassis 2 and the waterproof volute cover 7 can effectively form a secondary water retaining structure to prevent car wash water or rainwater. Entering the inner machine area 21 through the inner air passage.

As shown in FIG. 10, the electrical box strong area 9 of the outer unit 22 is provided with a wire take-out slot, and the wire take-out slot is provided with a water retaining sheath.

Further, the lead wire of the electric coil of the electric box strong electric area 9 of the outer machine section 22 is set to a U-bend structure. If water splashes into it, the water will flow down the U-bend structure. Will not flow back into the coil.

The vehicle air conditioner provided by the invention can be a roof-mounted motor vehicle air conditioner, which can meet the requirements of preventing rainwater and high-pressure car wash water from entering the electrical box, and satisfying the requirement of increasing air intake to ensure electrical safety.

Based on the above embodiments, the outer casing 1 of the overhead type air-conditioned air conditioner can adopt a streamlined fin The appearance structure can effectively reduce the wind resistance when the vehicle is running.

In the description of the present invention, it is to be understood that the terms "first", "second", "third" and the like are used to define a component only for the purpose of facilitating the distinction between the above components, if not otherwise stated. The above words are not specifically intended to be construed as limiting the scope of the invention.

It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and are not intended to be limiting; although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that The invention is not limited to the spirit of the technical solutions of the present invention, and should be included in the scope of the technical solutions claimed in the present invention.

Claims

A vehicle air conditioner comprising an outer casing (1) and a chassis (2), an inner machine area (21) for installing the inner machine, and an outer machine area (22) for installing the outer machine are located in the outer casing (1) The space between the chassis (2) is characterized in that: the outer casing (1) is provided with an air inlet, and the air inlet is provided with a water retaining structure, and the chassis (2) and the outer An air outlet (23) is provided at the end of the machine area (22).
The vehicle air conditioner according to claim 1, wherein the air inlet comprises a first air inlet (11) provided on both sides of the outer casing (1).
The vehicle air conditioner according to claim 2, characterized in that the water retaining structure of the first air inlet (11) is a feed grill (3).
The vehicle air conditioner according to claim 3, characterized in that the grid of the inlet grill (3) is curved to guide water from the inner zone (21) to the outer zone ( 22) The end.
The vehicle air conditioner according to claim 3, wherein the inlet grill (3) is located at a portion of the outer casing (22) of the electrical box and is provided with a sealing structure (31).
The vehicle air conditioner according to claim 1, characterized in that: the portion of the outer casing (22) where the four-way valve is located is provided with a first baffle (4).
The vehicle air conditioner according to claim 1, wherein said air inlet comprises a second air inlet (12) provided at an end of said outer casing (1) adjacent to said outer casing region (22) .
The vehicle air conditioner according to claim 7, wherein the water retaining structure of the second air inlet (12) comprises a second baffle (5) on a side of the electrical box of the outer casing (22) and A drain plate (6) on the other side of the outer zone (22).
The vehicle air conditioner according to claim 8, wherein said draining plate (6) is curved to guide water from one side of said outer casing (22) to the other side.
The vehicle air conditioner according to claim 1, wherein said inner machine section (21) is provided with a waterproof volute cover (7) for providing the inner hood.
The vehicle air conditioner according to claim 10, wherein said chassis (2) is provided with a third baffle (8) that cooperates with said waterproof volute cover (7), said third baffle ( 8) for isolating the inner and outer machines on the chassis (2) from each other.
The vehicle air conditioner according to claim 1, characterized in that: the outer casing (22) of the electrical box strong electric zone (9) has a water retaining sheath in the electric wire drawing groove.
The vehicle air conditioner according to claim 1, characterized in that the lead wire of the outer casing (22) electrical box strong electric zone (9) is set to a U-bend structure.
The vehicle air conditioner according to claim 1, wherein said vehicle air conditioner is a roof mounted motor vehicle air conditioner.