CN117507756A

CN117507756A - Vehicle-mounted air conditioner

Info

Publication number: CN117507756A
Application number: CN202311746674.1A
Authority: CN
Inventors: 穆景阳; 张政; 蒋鹭; 吴铎; 余兆开
Original assignee: Aitaisi Thermal System Research And Development Shanghai Co ltd
Current assignee: Aitaisi Thermal System Research And Development Shanghai Co ltd
Priority date: 2023-12-19
Filing date: 2023-12-19
Publication date: 2024-02-06

Abstract

The invention relates to the technical field of vehicle-mounted air conditioners, and particularly discloses a vehicle-mounted air conditioner which comprises an air conditioning box, a cooling unit, a heating unit, a temperature air door set and a sliding baffle plate set, wherein an air inlet cavity, a mixing cavity and an air outlet cavity are formed in the air conditioning box; the temperature air door set controls the opening of the refrigerating air duct and the hot air duct, and the sliding baffle set controls the opening of the air outlet of the mixing cavity. The vehicle-mounted air conditioner can adjust the temperatures of different air delivery channels under the same temperature air door opening degree. In the maximum cooling/heating mode, the airflow resistance is reduced.

Description

Vehicle-mounted air conditioner

Technical Field

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

Background

The function of the automobile air conditioner is to provide proper environment temperature for passengers, and along with the vigorous development of the automobile industry and the gradual improvement of the comfort requirements of people, the air outlet temperature of the automobile air conditioner is more and more personalized, and the adjustability direction is closed.

Existing vehicle air conditioners generally absorb air from the inside and the outside into an air conditioning case, in which an air flow passage is formed, by means of a fan. The cold air cooled by the evaporator type cooling device and the hot air heated by the heater core type heating device are mixed at a desired mixing ratio inside the air conditioning case. Thereafter, the mixed air is blown out into the interior of the vehicle compartment through the blast pipe from a plurality of openings (such as a blowing face air outlet and a blowing foot air outlet) arranged in the air conditioning case, thereby adjusting the temperature and humidity in the vehicle compartment.

However, at present, the air outlet temperature of the automobile air conditioner box mainly depends on a fixed flow guiding structure added in the air conditioner box, and cold air and hot air in the air conditioner box are mixed and then guided to a required air outlet, but the temperature difference between different air outlets is fixed under the same temperature air door opening degree, and the air conditioner box cannot adapt to the individual requirements of the current use crowd on the temperature difference between different air outlets. And after the fixed flow guiding structure is added, the airflow flowing resistance in the maximum refrigerating/heating mode can be increased

Therefore, there is a need for a vehicle air conditioner to solve the above-described problems.

Disclosure of Invention

The invention aims at: the vehicle-mounted air conditioner is provided to solve the problem that in the related art, under the same temperature air door opening degree, the temperature difference between different air outlets is fixed, and the vehicle-mounted air conditioner cannot adapt to the personalized adjustment of the current crowd to the temperatures of different air outlets. And after the fixed flow guiding structure is added, the problem that the airflow resistance in the maximum refrigerating/heating mode is increased can be solved.

The invention provides a vehicle-mounted air conditioner which comprises an air conditioning box, a cooling unit and a heating unit, wherein an air inlet cavity, a mixing cavity and an air outlet cavity are formed in the air conditioning box, the air inlet cavity comprises a main runner, a cold air duct and a hot air duct, an air outlet of the main runner is communicated with an air inlet of the cold air duct and an air inlet of the hot air duct, an air outlet of the cold air duct and an air outlet of the hot air duct are simultaneously communicated with the air inlet of the mixing cavity, the air outlet cavity comprises a plurality of air delivery ducts, an air outlet of the mixing cavity is communicated with the plurality of air delivery ducts, and air flow of the main runner enters the cold air duct and the hot air duct through the cooling unit, and air flow of the hot air duct enters the mixing cavity through the heating unit;

the air conditioner further comprises a temperature air door set and a sliding baffle set, wherein the temperature air door set controls the opening of the cold air duct and the opening of the hot air duct, and the sliding baffle set controls the opening of the air outlet of the mixing cavity.

As the preferable technical scheme of the vehicle-mounted air conditioner, the sliding baffle plate group comprises a first baffle plate and a first driving piece, the first driving piece drives the first baffle plate to slide in the mixing cavity, and the sliding direction of the first baffle plate is intersected with the airflow direction at the air outlet of the mixing cavity.

As the preferred technical scheme of vehicle-mounted air conditioner, first baffle with the inner wall sliding fit in hybrid chamber, first driving piece includes first driving motor and first driving gear, first baffle is provided with first rack along its slip direction, first driving gear with first rack meshing, first driving motor drive first driving gear rotates.

As the preferred technical scheme of on-vehicle air conditioner, the sliding baffle group still includes second baffle and second driving piece, the second driving piece drives the second baffle slides in the hybrid chamber, the slip direction of second baffle with the air current flow direction of hybrid chamber's air outlet department intersects.

As a preferable technical scheme of the vehicle-mounted air conditioner, one end of the first baffle, which is far away from the second baffle, is abutted with one side wall of the air outlet of the mixing cavity, one end of the second baffle, which is far away from the first baffle, is abutted with the other side wall of the air outlet of the mixing cavity, and the first side wall and the second side wall are oppositely arranged;

the sliding directions of the first baffle plate and the second baffle plate are opposite, and a gap between the other end of the first baffle plate and the other end of the second baffle plate is the opening of the air outlet of the mixing cavity.

As the preferred technical scheme of on-vehicle air conditioner, the second driving piece includes second driving motor and second driving gear, the second baffle is provided with the second rack along its slip direction, the second driving gear with the second rack meshing, the second driving motor drive the second driving gear rotates.

As the preferred technical scheme of on-vehicle air conditioner, the sliding baffle group still includes the fixed plate, follows the gliding direction of first baffle, the fixed plate set up in the mixing chamber is kept away from on the inner wall of first baffle, first baffle with clearance between the fixed plate is the aperture of the air outlet of mixing chamber.

As the preferable technical scheme of the vehicle-mounted air conditioner, the cold air duct comprises a first cold air duct and a second cold air duct, and the first cold air duct and the second cold air duct are respectively arranged on two sides of the hot air duct.

As a preferable technical scheme of the vehicle-mounted air conditioner, an air outlet of the main flow passage is sequentially divided into a first flow passage, a second flow passage and a third flow passage, the second flow passage is opposite to the middle position of the hot air passage, the first flow passage is opposite to the hot air passage on one side of the first cold air passage and the second flow passage, and the third flow passage is opposite to the hot air passage on the other side of the second cold air passage and the second flow passage;

the temperature air door set comprises a first temperature air door, a second temperature air door and a third temperature air door, wherein the first temperature air door, the second temperature air door and the third temperature air door are arranged in the first runner, the second runner and the third runner in one-to-one correspondence.

As a preferable technical scheme of the vehicle-mounted air conditioner, the first temperature air door can control the opening of the first cold air channel and the opening of the hot air channel at one side of the second flow channel; the third temperature air door can control the opening degree of the second cold air channel and the opening degree of the hot air channel at the other side of the second flow channel.

The beneficial effects of the invention are as follows:

the invention provides a vehicle-mounted air conditioner, which comprises an air conditioning box, a cooling unit, a heating unit, a temperature air door set and a sliding baffle set, wherein an air inlet cavity, a mixing cavity and an air outlet cavity are formed in the air conditioning box; the temperature air door set controls the opening of the refrigerating air duct and the hot air duct, and the sliding baffle set controls the opening of the air outlet of the mixing cavity. When the vehicle-mounted air conditioner works, air flow in or outside the vehicle cabin firstly enters the main flow channel, the cooling unit in the main flow channel cools the air flow, the opening of the cooling air channel and the opening of the hot air channel are controlled through the temperature air door group, the ratio of the air flow entering the cold air channel and the hot air channel are further controlled, part of the cooled air flow enters the mixing cavity according to the preset ratio, the other part of the cooled air flow enters the mixing cavity after passing through the hot air channel and being heated by the heating unit, hot air flow and cold air flow are mixed in the mixing cavity and then flow out of the plurality of air delivery channels, however, the mixing degree of the hot air flow and the cold air flow in the mixing cavity can be determined, the difference of the temperatures of the air flows sent out from the different air delivery channels can be determined, so that the opening of the air outlet of the mixing cavity is controlled through the sliding baffle group, when the temperature difference of the plurality of the air delivery channels is required to be increased, the opening of the air outlet of the mixing cavity is controlled through the sliding baffle group to be increased, so that the hot air flow and the cold air flow cannot be fully mixed in the mixing cavity, and the air flow out of the plurality of air delivery channels can flow out from the air delivery channels at the moment, and the temperature difference of the air flow temperature difference of the air delivery channels is larger. When the temperature difference of the plurality of air delivery channels is required to be smaller, the opening degree of the air outlet of the mixing cavity can be controlled to be reduced through the sliding baffle group, so that the mixing degree of hot air flow and cold air flow in the mixing cavity is increased, and the air flow temperature difference of the plurality of air delivery channels is reduced. When heating or refrigerating the air flow independently, the air flow does not need to be mixed in the mixing cavity at the moment, so that the opening of the air outlet of the mixing cavity is controlled to be maximum through the sliding baffle group, the air flow cannot be blocked at the moment, and the working noise of the vehicle-mounted air conditioner can be reduced.

Drawings

Fig. 1 is a schematic structural diagram of a vehicle-mounted air conditioner according to an embodiment of the present invention (excluding a second baffle and a second driving gear);

fig. 2 is a schematic structural diagram of a vehicle-mounted air conditioner according to an embodiment of the present invention (an air outlet of a mixing chamber is located at a maximum opening);

fig. 3 is a schematic structural diagram of an air conditioner for a vehicle in an embodiment of the present invention (an air outlet of a mixing chamber is located at a minimum opening).

In the figure:

1. an air conditioning box; 111. a main flow channel; 1111. a first flow passage; 1112. a second flow passage; 1113. a third flow passage; 1121. a first cool air duct; 1122. a second cold air duct; 113. a hot air duct; 12. a mixing chamber; 131. an air delivery duct;

2. a cooling unit; 3. a heating unit;

41. a first temperature damper; 42. a second temperature damper; 43. a third temperature damper;

51. a first baffle; 511. a first rack; 52. a first drive gear;

53. a second baffle; 531. a second rack; 54. a second drive gear.

Detailed Description

The following description of the embodiments of the present invention will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the invention are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Wherein the terms "first location" and "second location" are two distinct locations and wherein the first feature is "above," "over" and "over" the second feature includes the first feature being directly above and obliquely above the second feature, or simply indicates that the first feature is level above the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.

Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the invention.

Example 1

As shown in fig. 1 to 3, the present embodiment provides a vehicle-mounted air conditioner, the vehicle-mounted air conditioner includes an air conditioning box 1, a cooling unit 2, a heating unit 3, a temperature air door set and a sliding baffle set, the air conditioning box 1 includes an air inlet cavity, a mixing cavity 12 and an air outlet cavity, the air inlet cavity includes a main runner 111, a cold air duct and a hot air duct 113, an air outlet of the main runner 111 is communicated with an air inlet of the cold air duct and an air inlet of the hot air duct 113, an air outlet of the cold air duct and an air outlet of the hot air duct 113 are simultaneously communicated with an air inlet of the mixing cavity 12, the air outlet cavity includes a plurality of air delivery ducts 131, an air outlet of the mixing cavity 12 is communicated with the plurality of air delivery ducts 131, air flow of the main runner 111 enters the cold air duct and the hot air duct 113 through the cooling unit 2, and air flow of the hot air duct 113 enters the mixing cavity 12 through the heating unit 3; the temperature air door set controls the opening of the cooling air duct and the hot air duct 113, and the sliding baffle set controls the opening of the air outlet of the mixing chamber 12. When the vehicle-mounted air conditioner works, air flow in or outside the vehicle cabin firstly enters the main flow channel 111, the cooling unit 2 in the main flow channel 111 cools the air flow, the opening degree of the cooling air channel and the opening degree of the hot air channel 113 are controlled through the temperature air door group, the ratio of the air flow entering the cold air channel and the hot air channel 113 is further controlled, part of the cooled air flow enters the mixing cavity 12 through the cold air channel according to the preset ratio, the other part of the cooled air flow enters the mixing cavity 12 after being heated by the heating unit 3 through the hot air channel 113, the hot air flow and the cold air flow are mixed in the mixing cavity 12 and then flow out of the plurality of air channels 131, however, the mixing degree of the hot air flow and the cold air flow in the mixing cavity 12 can be determined, the opening degree of the air outlet of the mixing cavity 12 is controlled through the sliding baffle group, when the temperature difference of the plurality of air channels 131 is required to be increased, the opening degree of the air outlet of the mixing cavity 12 is increased through the sliding baffle group, the hot air flow cannot be fully mixed in the mixing cavity 12, the hot air flow and the cold air flow cannot flow flows out of the plurality of air channels 131 at the same time, and the temperature difference of the air flows of the air channels 131 is larger. When the temperature difference between the plurality of air delivery ducts 131 is required to be small, the opening degree of the air outlet of the mixing chamber 12 can be controlled to be reduced by the sliding baffle group, so that the mixing degree of the hot air flow and the cold air flow in the mixing chamber 12 is increased, and at the moment, the air flow temperature difference between the plurality of air delivery ducts 131 is reduced. When the air flow is independently heated or cooled, the air flow does not need to be mixed in the mixing cavity 12 at this time, so that the opening of the air outlet of the mixing cavity 12 is controlled to be maximum through the sliding baffle group, the air flow is not blocked at this time, and the working noise of the vehicle-mounted air conditioner can be reduced.

Specifically, the air delivery duct 131 may be a blowing face air delivery duct 131, a defrosting air delivery duct 131, a foot blowing air delivery duct 131, and the like.

Optionally, the sliding baffle group includes a first baffle 51 and a first driving member, where the first driving member drives the first baffle 51 to slide in the mixing chamber 12, and a sliding direction of the first baffle 51 intersects with an airflow direction at an air outlet of the mixing chamber 12. In this embodiment, the sliding direction of the first baffle plate 51 intersects with the airflow direction at the air outlet of the mixing cavity 12, so that the position of the first baffle plate 51 can adjust the opening of the air outlet of the mixing cavity 12, when the opening of the air outlet of the mixing cavity 12 is the largest, the first baffle plate 51 is attached to one side wall of the air outlet of the mixing cavity 12, when the opening of the air outlet of the mixing cavity 12 needs to be reduced, the first driving member drives the first baffle plate 51 to approach to the other side wall of the air outlet of the mixing cavity 12, and the one side wall of the air outlet of the mixing cavity 12 and the other side wall are relatively arranged.

As to how the first shutter 51 is driven to slide by the first driving member, optionally, the first shutter 51 is slidably engaged with the inner wall of the mixing chamber 12, the first driving member includes a first driving motor and a first driving gear 52, the first shutter 51 is provided with a first rack 511 along a sliding direction thereof, the first driving gear 52 is engaged with the first rack 511, and the first driving motor drives the first driving gear 52 to rotate. In this embodiment, one of the first baffle plate 51 and the inner wall of the mixing chamber 12 is provided with a sliding rail, the other is provided with a sliding groove, the sliding rail slides in the sliding groove, the first driving motor drives the first driving gear 52 to rotate, and the first rack 511 is meshed with the first driving gear 52, so that the first driving motor drives the first baffle plate 51 to slide.

In order to improve the opening degree adjustment efficiency of the air outlet of the mixing cavity 12, optionally, the sliding baffle group further includes a second baffle 53 and a second driving member, where the second driving member drives the second baffle 53 to slide in the mixing cavity 12, and the sliding direction of the second baffle 53 intersects with the airflow direction at the air outlet of the mixing cavity 12. In this embodiment, the sliding direction of the second baffle 53 intersects with the airflow direction at the air outlet of the mixing chamber 12, so that the position of the second baffle 53 can adjust the opening of the air outlet of the mixing chamber 12, and when the opening of the air outlet of the mixing chamber 12 is adjusted, the first baffle 51 and the second baffle 53 can be driven to move at the same time to cooperatively adjust the opening of the air outlet of the mixing chamber 12.

Optionally, one end of the first baffle plate 51 far away from the second baffle plate 53 is abutted with one side wall of the air outlet of the mixing cavity 12, one end of the second baffle plate 53 far away from the first baffle plate 51 is abutted with the other side wall of the air outlet of the mixing cavity 12, and the first side wall and the second side wall are oppositely arranged; the sliding directions of the first baffle plate 51 and the second baffle plate 53 are opposite, and the gap between the other end of the first baffle plate 51 and the other end of the second baffle plate 53 is the opening of the air outlet of the mixing chamber 12. In this embodiment, the first baffle plate 51 and the second baffle plate 53 are moved from the opposite side walls in the directions approaching each other, and this arrangement can improve the efficiency of adjusting the opening size of the air outlet of the mixing chamber 12 by the sliding baffle plate group.

Alternatively, the second driving member includes a second driving motor and a second driving gear 54, the second shutter 53 is provided with a second rack 531 along a sliding direction thereof, the second driving gear 54 is engaged with the second rack 531, and the second driving motor drives the second driving gear 54 to rotate. In this embodiment, one of the second baffle 53 and the inner wall of the mixing chamber 12 is provided with a sliding rail, the other is provided with a sliding groove, the sliding rail slides in the sliding groove, the second driving motor drives the second driving gear 54 to rotate, and the second rack 531 is meshed with the second driving gear 54, so that the second driving motor drives the second baffle 53 to slide. In other embodiments, the sliding shutter set may also be provided with a motor and a transmission member, where the motor drives the first driving gear 52 and the second driving gear 54 to rotate synchronously through the transmission member.

Alternatively, the air duct includes a first air duct 1121 and a second air duct 1122, and the first air duct 1121 and the second air duct 1122 are respectively disposed at both sides of the hot air duct 113. In this embodiment, after the air flows out of the first air duct 1121, the second air duct 1122 and the hot air duct 113, the cold air flows out of the first air duct 1121 and the second air duct 1122 are located at two sides of the hot air flow out of the hot air duct 113, so as to facilitate mixing of the hot air flow and the cold air flow.

Alternatively, the air outlet of the main flow channel 111 is sequentially divided into a first flow channel 1111, a second flow channel 1112 and a third flow channel 1113, the second flow channel 1112 is opposite to the middle position of the hot air duct 113, the first flow channel 1111 is opposite to the hot air duct 113 on one side of the first cold air channel 1121 and the second flow channel 1112, and the third flow channel 1113 is opposite to the hot air duct 113 on the other side of the second cold air channel 1122 and the second flow channel 1112; the temperature air door set includes a first temperature air door 41, a second temperature air door 42, and a third temperature air door 43, and the first temperature air door 41, the second temperature air door 42, and the third temperature air door 43 are disposed in the first flow channel 1111, the second flow channel 1112, and the third flow channel 1113 in one-to-one correspondence. In the present embodiment, the second temperature damper 42 adjusts the opening degree of the second flow channel 1112, the first temperature damper 41 adjusts the opening degree of the hot air duct 113 on one side of the first cold air duct 1121 and the second flow channel 1112, and the third temperature damper 43 adjusts the opening degree of the hot air duct 113 on the other side of the first cold air duct 1121 and the second flow channel 1112, which can precisely adjust the airflow rates of the hot air duct 113, the first cold air duct 1121, and the second cold air duct 1122. The specific structures of the first temperature damper 41, the second temperature damper 42 and the third temperature damper 43 are all the prior art, and are not described herein.

Example two

The present embodiment is substantially the same as the first embodiment, except that the second baffle 53 and the second driving member are replaced with a fixed plate, and optionally, the sliding baffle group further includes a fixed plate disposed on an inner wall of the mixing chamber 12 far from the first baffle 51 along a sliding direction of the first baffle 51, and a gap between the first baffle 51 and the fixed plate is an opening of an air outlet of the mixing chamber 12. The fixed plate ensures that the cold air flow and the hot air flow are mixed to some extent in the mixing chamber 12, and the first baffle 51 further adjusts the mixing degree of the cold air flow and the hot air flow in the mixing chamber 12.

It is to be understood that the above examples of the present invention are provided for clarity of illustration only and are not limiting of the embodiments of the present invention. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the invention are desired to be protected by the following claims.

Claims

1. The vehicle-mounted air conditioner comprises an air conditioning box (1), a cooling unit (2) and a heating unit (3), wherein an air inlet cavity, a mixing cavity (12) and an air outlet cavity are formed in the air conditioning box (1), the air inlet cavity comprises a main flow channel (111), a cold air channel and a hot air channel (113), an air outlet of the main flow channel (111) is respectively communicated with an air inlet of the cold air channel and an air inlet of the hot air channel (113), an air outlet of the cold air channel and an air outlet of the hot air channel (113) are simultaneously communicated with an air inlet of the mixing cavity (12), the air outlet cavity comprises a plurality of air delivery channels (131), an air outlet of the mixing cavity (12) is communicated with a plurality of air delivery channels (131), air flow of the main flow channel (111) enters the cold air channel and the hot air channel (113) through the cooling unit (2), and air flow of the hot air channel (113) enters the mixing cavity (12) through the heating unit (3).

The air conditioner is characterized by further comprising a temperature air door set and a sliding baffle set, wherein the temperature air door set controls the opening of the cold air duct and the hot air duct (113), and the sliding baffle set controls the opening of the air outlet of the mixing cavity (12).

2. The vehicle-mounted air conditioner according to claim 1, wherein the sliding baffle group comprises a first baffle (51) and a first driving member, the first driving member drives the first baffle (51) to slide in the mixing chamber (12), and the sliding direction of the first baffle (51) is intersected with the airflow direction at the air outlet of the mixing chamber (12).

3. The vehicle-mounted air conditioner according to claim 2, wherein the first baffle plate (51) is in sliding fit with the inner wall of the mixing cavity (12), the first driving piece comprises a first driving motor and a first driving gear (52), the first baffle plate (51) is provided with a first rack (511) along the sliding direction of the first baffle plate, the first driving gear (52) is meshed with the first rack (511), and the first driving motor drives the first driving gear (52) to rotate.

4. The vehicle-mounted air conditioner according to claim 2, wherein the sliding baffle group further comprises a second baffle (53) and a second driving member, the second driving member drives the second baffle (53) to slide in the mixing chamber (12), and the sliding direction of the second baffle (53) is intersected with the airflow direction at the air outlet of the mixing chamber (12).

5. The vehicle-mounted air conditioner according to claim 4, wherein an end of the first baffle plate (51) away from the second baffle plate (53) is abutted against one side wall of the air outlet of the mixing chamber (12), an end of the second baffle plate (53) away from the first baffle plate (51) is abutted against the other side wall of the air outlet of the mixing chamber (12), and the first side wall and the second side wall are disposed opposite to each other;

the sliding directions of the first baffle plate (51) and the second baffle plate (53) are opposite, and a gap between the other end of the first baffle plate (51) and the other end of the second baffle plate (53) is the opening of an air outlet of the mixing cavity (12).

6. The vehicle-mounted air conditioner according to claim 4, wherein the second driving member includes a second driving motor and a second driving gear (54), the second shutter (53) is provided with a second rack (531) along a sliding direction thereof, the second driving gear (54) is engaged with the second rack (531), and the second driving motor drives the second driving gear (54) to rotate.

7. The vehicle-mounted air conditioner according to claim 2, wherein the sliding baffle group further comprises a fixed plate, the fixed plate is arranged on an inner wall of the mixing chamber (12) away from the first baffle (51) along the sliding direction of the first baffle (51), and a gap between the first baffle (51) and the fixed plate is an opening of an air outlet of the mixing chamber (12).

8. The vehicle-mounted air conditioner according to claim 1, wherein the cold air duct includes a first cold air duct (1121) and a second cold air duct (1122), the first cold air duct (1121) and the second cold air duct (1122) being disposed on both sides of the hot air duct (113), respectively.

9. The vehicle-mounted air conditioner according to claim 8, wherein an air outlet of the main flow passage (111) is divided into a first flow passage (1111), a second flow passage (1112) and a third flow passage (1113) in order, the second flow passage (1112) is opposite to a middle position of the hot air passage (113), the first flow passage (1111) is opposite to the hot air passage (113) on one side of the first cold air passage (1121) and the second flow passage (1112) at the same time, and the third flow passage (1113) is opposite to the hot air passage (113) on the other side of the second cold air passage (1122) and the second flow passage (1112) at the same time;

the temperature air door set comprises a first temperature air door (41), a second temperature air door (42) and a third temperature air door (43), wherein the first temperature air door (41), the second temperature air door (42) and the third temperature air door (43) are arranged in the first runner (1111), the second runner (1112) and the third runner (1113) in one-to-one correspondence.

10. The vehicle-mounted air conditioner according to claim 9, wherein the first temperature damper (41) is capable of controlling an opening degree of the first cold air duct (1121) and an opening degree of the hot air duct (113) on the side of the second flow passage (1112); the third temperature damper (43) can control the opening of the second cold air duct (1122) and the opening of the hot air duct (113) at the other side of the second flow passage (1112).