CN112895837A

CN112895837A - Built-in central automobile air conditioner

Info

Publication number: CN112895837A
Application number: CN202110245182.9A
Authority: CN
Inventors: 李�杰; 李勇; 周光乐; 王洋
Original assignee: Chongqing Meiruite Air Conditioning Engineering Research Institute Co ltd
Current assignee: Chongqing Meiruite Air Conditioning Engineering Research Institute Co ltd
Priority date: 2021-03-05
Filing date: 2021-03-05
Publication date: 2021-06-04

Abstract

The invention discloses a built-in centrally-mounted automobile air conditioner, which comprises a filter assembly, an air blower assembly and a mode air distribution assembly, wherein the filter assembly and the mode air distribution assembly are arranged at an angle, the air blower assembly is positioned at an included angle between the filter assembly and the mode air distribution assembly, the filter assembly is provided with an air inlet chamber, an inner circulation air port and an outer circulation air port which are communicated with the air inlet chamber, the inner circulation air port and the outer circulation air port are respectively configured, an opening is formed at one end of the filter assembly close to the air blower assembly, an evaporator is installed at the inner side of the opening, a water drainage groove is formed at the bottom of the evaporator, a water drainage port communicated with the water drainage groove is formed in the outer wall of the filter assembly, an air blower is installed in the air blower assembly, and a. The invention has small occupied space, no condensed water entering the carriage, smooth air flow passage, small wind resistance, uniform air inlet, compact structure and strong performance.

Description

Built-in central automobile air conditioner

Technical Field

The invention belongs to the technical field of automobile air conditioners, and relates to a built-in central automobile air conditioner.

Background

An automobile air conditioning system, called HVAC for short, is used for adjusting the temperature, humidity and air cleanliness in an automobile and forming air circulation, and has important influence on the comfort of the whole automobile.

With the development of automobile air conditioning technology, the structure of the HVAC assembly is various, the built-in automobile air conditioner is usually arranged below an automobile instrument desk and occupies part of the space of a main driving position and a secondary driving position, and particularly, the problem is obvious when a blower is hung on a side-hung automobile air conditioner at one side of the HVAC assembly, and condensed water generated by an air conditioning system is easy to stay in a passenger compartment, so that dewing and moisture are generated in the automobile, and the driving experience of people on the automobile is influenced.

Disclosure of Invention

In order to solve the problems, the invention provides a built-in central automobile air conditioner which can effectively reduce the occupied space and prevent condensed water from entering the interior of a carriage.

In order to achieve the purpose, the technical scheme of the invention is as follows:

a built-in central automobile air conditioner comprises a filter assembly, a blower assembly and a mode air distribution assembly which are connected in sequence, the filter assembly and the mode air distribution assembly are arranged at an angle with each other, the blower assembly is positioned at an included angle between the filter assembly and the mode air distribution assembly, wherein the filter assembly is provided with an air inlet chamber, an inner circulating air port and an outer circulating air port which are communicated with the air inlet chamber, and is respectively provided with an internal circulation air door and an external air door, an opening is formed at one end of the filter assembly close to the blower assembly, the inner side of the opening is provided with an evaporator, the bottom of the evaporator is provided with a water drainage groove, the outer wall of the filter assembly is provided with a water drainage port communicated with the water drainage groove, a blower is arranged in the blower assembly and can suck air entering the air inlet chamber from the inner circulation air port or the outer circulation air port into the blower assembly, and the air is supplied to the interior of the vehicle through the mode air distribution assembly, and a water baffle which extends upwards and inclines towards one side of the blower assembly is arranged at the bottom of the opening.

By adopting the structure, the filter assembly and the mode air distribution assembly form an included angle, the air blower is arranged at the position of the included angle in the middle, the space occupied by the automobile air conditioner assembly can be effectively reduced, after the air conditioner assembly is assembled on a vehicle, the mode air distribution assembly and the air blower assembly are arranged below an instrument desk inside a passenger compartment, and the filter assembly is positioned in the engine compartment, so that the occupied passenger compartment space is reduced compared with the traditional built-in automobile air conditioner; set up the breakwater through at filter assembly and air-blower assembly butt joint position, can prevent effectively that the air current from bringing the comdenstion water that the evaporimeter produced into carriage inside, help improving personnel in the car and drive and experience.

Preferably, the opening of the filter assembly is of a plane structure, the blower assembly is provided with a mounting opening suitable for being in butt joint with the opening, and waterproof foam is arranged between the mounting opening and the opening. By adopting the structural design, the automobile air conditioner can be conveniently installed, the filter assembly is positioned in an engine compartment, the front wall plate is positioned at the joint surface of the filter assembly and the air blower assembly, and the sealing and waterproof performance of the joint surface is ensured through waterproof foam.

Preferably, the outer circulation air opening is arranged on the bottom surface of the air inlet chamber, and the inner circulation air opening is positioned on one side of the air inlet chamber and is arranged towards one side of the blower assembly. Such design helps guaranteeing the even air inlet of air inlet face to windage is little, the wind speed is even, combines overall layout structure design, can promote vehicle air conditioner performance parameter by a wide margin.

Preferably, the water baffle is distributed with a diversion rib so as to guide the condensed water blown onto the water baffle to flow back to the drainage groove by utilizing the diversion rib.

Preferably, the bottom of the drainage groove is distributed with support ribs for supporting the evaporator, each support rib extends along the length direction of the drainage groove and is provided with notches distributed in a staggered manner, the structure can facilitate the installation and the positioning of the evaporator, and the drainage performance is not affected.

Preferably, an air filter element is installed between the air inlet chamber and the evaporator in the filter assembly, so that air flow entering through the internal circulation air opening or the external air opening can be filtered by the air filter element, fresh air in the vehicle is ensured, and an air baffle extending upwards is arranged between the air filter element and the evaporator to prevent the air flow from directly blowing to the drainage groove.

Preferably, the filter assembly is detachably provided with a cover plate at the outer end of the side of the air inlet chamber far away from the evaporator, and the cover plate faces the air filter element and is inclined upwards, so that the installation and replacement of the air filter element are facilitated.

In order to improve the performance of the air conditioner, the air blower is preferably a double-shaft fan, flanges extending outwards are arranged on two sides of the air blower, clamping grooves matched with the flanges are formed in two sides of the inner portion of the installation opening of the air blower assembly, and limiting buckles protruding inwards are arranged at positions close to the installation opening and used for clamping the air blower, so that the air blower can be rapidly installed, and the assembling performance of the automobile air conditioner is improved.

Preferably, the mode air distribution assembly is provided with a warm air core body at a position close to the blower assembly, and a defrosting air port, a side defrosting air port, a foot blowing air port, a side blowing air port and a middle blowing air port are arranged on the outer side deviating from the warm air core body, and the mode air distribution assembly is provided with a driving motor and a mode disc for controlling the opening and closing of each air port so as to realize the switching of various air outlet modes.

Compared with the prior art, the invention has the beneficial effects that:

the built-in central automobile air conditioner provided by the invention has the advantages of small occupied space, no condensed water entering the carriage, smooth air flow channel, small wind resistance, uniform air inlet, compact structure and strong performance.

Drawings

FIG. 1 is a schematic structural diagram of a built-in centrally-mounted automotive air conditioner according to an embodiment of the invention;

FIG. 2 is a cross-sectional view of the built-in mid-mount automotive air conditioner of FIG. 1;

FIG. 3 is a schematic structural view of the wind distribution assembly of FIG. 2 with the mode hidden;

FIG. 4 is a schematic structural view of the filter assembly of FIG. 1;

FIG. 5 is a schematic view of FIG. 3 taken in another view;

FIG. 6 is a schematic view of the internal structure of the filter assembly of FIG. 4;

FIG. 7 is an enlarged fragmentary view of the filter assembly of FIG. 5 in an open position;

FIG. 8 is a schematic structural view of the blower assembly of FIG. 1;

FIG. 9 is a schematic view of the blower of FIG. 7;

FIG. 10 is a schematic assembled view of the modular air splitter assembly and blower assembly of FIG. 1.

Detailed Description

The present invention will be further described with reference to the following examples and the accompanying drawings.

The built-in centrally-mounted automobile air conditioner shown in fig. 1 to 3 comprises a filter assembly 1, a blower assembly 2 and a mode air distribution assembly 3 which are connected in sequence, wherein the filter assembly 1 and the mode air distribution assembly 3 are arranged at an angle, the blower assembly 2 is positioned at an included angle between the filter assembly 1 and the mode air distribution assembly 3, and the whole air conditioner is of a downward-concave arch structure.

Wherein, install air filter 7 and evaporimeter 4 in the filter assembly 1, install air-blower 5 in the air-blower assembly 2, install warm braw core 8 in the mode divides wind assembly 3 to set up bypass air door 9 in warm braw core 8 one side.

Fig. 4 to 7 show a specific structure of the filter assembly 1, and it can be seen from the figures that the filter assembly 1 has an air inlet chamber 1a inside, and has an inner circulation air port 1b and an outer circulation air port 1c penetrating from the air inlet chamber 1a to the outside of the filter assembly 1, for respectively introducing inner circulation air through the vehicle interior and introducing fresh air from the vehicle exterior to realize an outer circulation function, and the inner circulation air port 1b and the outer circulation air port 1c are respectively provided with an inner circulation air door 1d and an outer air door 1e to switch the inner circulation and the outer circulation when the vehicle air conditioner operates.

As shown in the drawing, the outer circulation tuyere 1c is located at the bottom surface of the air intake chamber 1a, and the inner circulation tuyere 1b is located outside the air intake chamber 1a side and is disposed toward the side where the blower assembly 2 and the mode division air assembly 3 are located, and the inner circulation tuyere 1b can introduce an air flow from the passenger compartment after the automobile air conditioner is assembled to the vehicle.

The filter assembly 1 has an opening 10 formed at an end thereof adjacent to the blower assembly 2, the opening 10 having a planar configuration for interfacing with the blower assembly 2.

As can be seen from fig. 1 to 3, the evaporator 4 is installed inside the opening 10 of the filter assembly 1 near one end of the blower assembly 2, and the air filter 7 is located at one side of the air inlet chamber 1a near the evaporator 4, so that the air entering the air inlet chamber 1a from the inner circulation air inlet 1b and the outer circulation air inlet 1c needs to pass through the air filter 7. The filter assembly 1 is provided with a cover plate 17 in a snap-fit manner at the outer end of the inlet chamber 1a remote from the evaporator 4, the cover plate 17 being disposed toward the air filter element 7 and being upwardly inclined to increase the open position for easy installation and replacement of the air filter element 7.

The bottom wall of the filter assembly 1 is formed with a drain groove 11 at a position corresponding to the bottom of the evaporator 4, a drain port 12 communicating with the drain groove 11 is provided at a position corresponding to the lowest position of the drain groove 11 on the outer wall of the filter assembly 1, a plurality of support ribs 16 protruding upward are provided at the bottom of the drain groove 11, the support ribs 16 extend in the length direction of the drain groove 11, and notches 16a are provided in each support rib 16 in a staggered manner so that spaces partitioned by each support rib 16 are communicated with each other to ensure smooth drainage.

The wind shield 15 extending upwards is arranged on the bottom wall of the filter assembly 1 between the evaporator 4 and the air filter element 7, and the wind shield 15 shields the lower part area of the evaporator 4 to prevent airflow from directly blowing to the drainage groove 11, so that condensed water generated by the evaporator 4 is blown to the blower assembly 2 and finally enters the carriage through each air port to generate a 'water flying' phenomenon.

In order to more thoroughly prevent the condensed water from entering the compartment, an upwardly extending water baffle 13 is disposed at the bottom of the opening 10 of the filter assembly 1, the water baffle 13 is located between the evaporator 4 and the blower 5 and is inclined toward the blower 5 to ensure smooth air intake, a plurality of flow guiding ribs 14 are distributed on the surface of one side of the water baffle 13 facing the evaporator 4, the flow guiding ribs 14 are upwardly protruded from the surface of the water baffle 13 and downwardly extend along the height direction of the water baffle 13 to condense the water vapor blown onto the water baffle 13 and downwardly guide the condensed water, and the condensed water flows back to the drainage groove 11 through the gap between the end surfaces of the evaporator 4 and the opening 10.

Fig. 8 is a schematic structural diagram of the blower assembly 2 of the present embodiment, and the end face of the blower assembly 2, which is butted against the filter assembly 1, forms a mounting opening 21, and the mounting opening 21 matches the opening 10 of the filter assembly 1, and is also of a planar structure, and is arranged substantially along the longitudinal direction.

Fig. 9 shows a specific structure of the blower 5, and it can be seen that in the present embodiment, the blower 5 is in the form of a dual-shaft blower, and the blower assembly 2 and the blower 5 are designed to achieve rapid assembly of the blower assembly 2.

Specifically, the blower 5 has a mounting surface 52 with a planar structure, two convex hulls 53 protruding outwards with an arc-shaped structure are formed on the back side of the mounting surface 52 and used for accommodating working components such as an impeller, and flanges 51 are formed by outwards extending the outer ends of two sides of the mounting surface 52.

The blower assembly 2 is internally provided with an accommodating chamber 2a for accommodating the blower 5, the accommodating chamber 2a is adaptive to the blower 5 in shape, the mounting port 21 is communicated with the accommodating chamber 2a, the outer edges of two sides of the accommodating chamber 2a in the mounting port 21 are provided with clamping grooves 22 matched with the flanges 51, limiting buckles 23 protruding inwards are formed at positions close to the mounting port 21, when the blower 5 is installed in the accommodating chamber 2a from the mounting port 21, the flanges 51 are embedded into the corresponding clamping grooves 22, and the limiting buckles 23 abut against the outer end faces of one sides, close to the mounting port 21, of the flanges 51 to lock the blower 5 in the accommodating chamber 2 a.

Fig. 10 is a schematic structural diagram of the assembled blower assembly 2 and the mode air distribution assembly 3, and it can be seen from fig. 1 and fig. 2 that the mode air distribution assembly 3 is provided with a defrosting air port 31, a side defrosting air port 32, a foot blowing air port 33, a side blowing air port 34 and a middle blowing air port 35 at the outer side deviating from the warm air core 8, and corresponding air doors are arranged at the positions of the air ports, wherein the defrosting air port 31 is arranged toward one side of the filter assembly 1, the opening direction of the middle blowing air port 35 is opposite to that of the defrosting air port 31, the middle blowing air port 35 is arranged toward one side of the mode air distribution assembly 3 away from the filter assembly 1, and the foot blowing air port 33 and the side blowing air port 34 are respectively.

A driving motor 36 and a mode disc 37 are installed at the upper end of the mode air distribution assembly 3, the driving motor 36 drives the mode disc 37 to rotate through a connecting rod 38, and then each air door is opened or closed, and switching of the automobile air conditioner among working modes such as defrosting, face blowing and foot blowing is achieved.

After the vehicle air conditioner of the embodiment is assembled on a vehicle, the blower assembly 2 and the mode air distribution assembly 3 are installed below an instrument desk inside a vehicle compartment, the filter assembly 1 is arranged in an engine compartment, a front wall plate for separating the engine compartment from the vehicle compartment is positioned at a butt joint position of the filter assembly 1 and the blower assembly 2, namely between an opening 10 and a mounting opening 21, in order to ensure the sealing and waterproof performance of the butt joint position, the peripheral outer edge of the position is wrapped with waterproof foam 6, and in the embodiment, the waterproof foam 6 is preferably made of EPDM surface crusted foam.

When the automobile air conditioner operates, the air blower 5 works, air entering the air inlet chamber 1a from the inner circulation air inlet 1b or the outer circulation air inlet 1c is subjected to heat exchange through the air filter element 7 and the evaporator 4 and then is sucked into the air blower assembly 2, after the air flows through the warm air core body 8 or the bypass air door 9, the air is blown into the interior of the carriage through the corresponding air inlet according to an air outlet mode set by a user, and the user can control the opening degree of the bypass air door 9 according to the requirement so as to adjust the temperature.

Finally, it should be noted that the above-mentioned description is only a preferred embodiment of the present invention, and those skilled in the art can make various similar representations without departing from the spirit and scope of the present invention.

Claims

1. The built-in central automobile air conditioner comprises a filter assembly (1), an air blower assembly (2) and a mode air distribution assembly (3) which are sequentially connected, and is characterized in that: the filter assembly (1) and the mode air distribution assembly (3) are arranged at an angle, the blower assembly (2) is positioned at an included angle between the filter assembly and the mode air distribution assembly, the filter assembly (1) is provided with an air inlet chamber (1a), an inner circulation air port (1b) and an outer circulation air port (1c) which are communicated with the air inlet chamber (1a), and an inner circulation air door (1d) and an outer circulation air door (1e) are respectively configured, one end of the filter assembly (1) close to the blower assembly (2) forms an opening (10), an evaporator (4) is installed on the inner side of the opening (10), a water drainage groove (11) is formed at the bottom of the evaporator (4), a water drainage port (12) communicated with the water drainage groove (11) is arranged on the outer wall of the filter assembly (1), a blower (5) is installed in the blower assembly (2), and air entering the air inlet chamber (1a) from the inner circulation air port (1b) or the outer circulation air port (1c) can be sucked into the blower assembly (2), and the air is supplied to the interior of the vehicle through the mode air distribution assembly (3), and a water baffle (13) which extends upwards and inclines towards one side of the blower assembly (2) is arranged at the bottom of the opening (10).

2. The built-in mid-mount automotive air conditioner according to claim 1, characterized in that: the opening (10) of the filter assembly (1) is of a plane structure, the blower assembly (2) is provided with a mounting opening (21) suitable for being in butt joint with the opening (10), and waterproof foam (6) is arranged between the mounting opening (21) and the opening (10).

3. The built-in mid-mount automotive air conditioner according to claim 1, characterized in that: the outer circulating air port (1c) is arranged on the bottom surface of the air inlet chamber (1a), and the inner circulating air port (1b) is located on one side of the air inlet chamber (1a) and arranged towards one side where the air blower assembly (2) is located.

4. The built-in mid-mount automotive air conditioner according to claim 1, characterized in that: and the water baffle (13) is distributed with flow guide ribs (14).

5. The built-in mid-mount automotive air conditioner according to claim 4, characterized in that: supporting ribs (16) for supporting the evaporator (4) are distributed at the bottom of the drainage groove (11), and the supporting ribs (16) extend along the length direction of the drainage groove (11) and are provided with notches (16a) distributed in a staggered mode.

6. The built-in mid-mount automotive air conditioner according to claim 1, characterized in that: an air filter element (7) is arranged between the air inlet chamber (1a) and the evaporator (4) in the filter assembly (1), and an air baffle plate (15) extending upwards is arranged between the air filter element (7) and the evaporator (4).

7. The built-in mid-mount automotive air conditioner according to claim 6, characterized in that: the outer end of the filter assembly (1) on the side of the air inlet chamber (1a) far away from the evaporator (4) is detachably provided with a cover plate (17), and the cover plate (17) faces the air filter element (7) and inclines upwards.

8. The built-in mid-mount automotive air conditioner according to claim 1, characterized in that: the air blower (5) is a double-shaft air blower, flanges (51) extending outwards are arranged on two sides of the air blower, a clamping groove (22) matched with the flanges (51) is formed in two sides of the inner portion of the mounting opening (21) of the air blower assembly (2), and an inward protruding limiting buckle (23) is arranged at a position close to the mounting opening (21) and used for clamping the air blower (5).

9. The built-in mid-mount automobile air conditioner according to any one of claims 1 to 8, characterized in that: the mode air distribution assembly (3) is provided with a warm air core body (8) at a position close to the blower assembly (2), a defrosting air port (31), a side defrosting air port (32), a foot blowing air port (33), a side blowing surface air port (34) and a middle blowing surface air port (35) are arranged on the outer side deviated from the warm air core body (8), and the mode air distribution assembly (3) is provided with a driving motor (36) and a mode disc (37) for controlling the opening and closing of each air port.