Air conditioning device, method and automobile

Abstract

The application provides an air conditioning device, method and automobile. The air conditioning device comprises: a sterilization bin; an air blower, an air inlet of which is connected with the sterilization bin, and an air outlet of which is provided with an exhaust pipeline; an air suction reversing door, one end of which is connected with the sterilization bin, and the other end of which is connected with an external air duct and a first internal air duct in a selective way, and which is used for controlling the sterilization bin to communicate with the external air duct or the first internal air duct; and an exhaust reversing door, one end of which is connected with the exhaust pipeline, and the other end of which is connected with the external air duct and a second internal air duct in a selective way, and which is used for controlling the exhaust pipeline to communicate with the external air duct or the second internal air duct. By selecting the conduction mode of the air suction reversing door and the exhaust reversing door, and by driving air flow by the air blower, the air pressure difference between a closed space and the outside can be controlled according to requirements.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of automobiles, in particular, and more particularly, to an air conditioning device, method and automobile. BACKGROUND

[0002] Currently, the air pressure difference between the vehicle cabin and the outside cannot be guaranteed in the vehicles on the market. During driving, the air flows into or out of the gaps in the vehicle cabin due to the air pressure difference between the inside and outside, causing uncontrollable air exchange. When the vehicle passes through a contaminated area, the air outside may enter the vehicle cabin due to the lower air pressure inside the vehicle cabin, which may cause the air outside to enter the vehicle cabin. When the vehicle is transporting biological contaminated patients or biological contaminants, the contaminated air in the vehicle cabin may enter the outside air due to the higher air pressure inside the vehicle cabin, causing pollution. The existing vehicles for rescue have limited quantity, high cost and single purpose, and can only achieve negative pressure regulation, and cannot achieve positive and negative control of the air pressure difference between the vehicle cabin and the outside. SUMMARY

[0003] The present application provides an air conditioning device, method and automobile to solve the problem that the air pressure difference between the vehicle cabin and the outside cannot be controlled in the prior art.

[0004] In a first aspect, the present application provides an air conditioning device, comprising:

[0005] a disinfection cabin;

[0006] a blower, an air inlet of which is connected to the disinfection cabin, and an air outlet of which is provided with an exhaust duct;

[0007] an air suction reversing door, one end of which is connected to the disinfection cabin, and the other end of which is connected to an outside air duct and a first inside air duct in a selective manner, for controlling the disinfection cabin to communicate with the outside air duct or the first inside air duct;

[0008] an exhaust reversing door, one end of which is connected to the exhaust duct, and the other end of which is connected to the outside air duct and a second inside air duct in a selective manner, for controlling the exhaust duct to communicate with the outside air duct or the second inside air duct.

[0009] Optionally, the air conditioning device further comprises a controller, which is in communication connection with the blower, and in communication connection with the air suction reversing door and the exhaust reversing door, for controlling the communication mode of the air suction reversing door and the exhaust reversing door.

[0010] Optionally, the air conditioning device further comprises an air pressure sensor, which is in communication connection with the controller.

[0011] Optionally, a filter element is arranged in the disinfection cabin.

[0012] Optionally, the disinfection chamber is provided with an ultraviolet disinfection lamp.

[0013] Optionally, the exhaust duct is provided with a negative ion generator.

[0014] In a second aspect, the application provides an air conditioning method, which uses the air conditioning device as described above, and comprises the following steps:

[0015] obtaining a switching signal of the adjustment mode;

[0016] controlling the communication state of the air suction reversing door and the air exhaust reversing door in the air conditioning device according to the switching signal, and controlling the air blower in the air conditioning device to adjust the air pressure or air flow in the air-tight space, which is in communication with the first inner air duct and the second inner air duct of the air conditioning device.

[0017] Optionally, after the step of controlling the communication state of the air suction reversing door and the air exhaust reversing door in the air conditioning device according to the switching signal, and controlling the air blower in the air conditioning device to adjust the air pressure or air flow in the air-tight space, the method further comprises the following steps:

[0018] obtaining the air pressure value collected by the air pressure sensor;

[0019] adjusting the rotating speed of the air blower according to the air pressure value.

[0020] Optionally, after the step of obtaining the switching signal of the adjustment mode, the method further comprises the following steps:

[0021] controlling the on-off state of the ultraviolet disinfection lamp and the negative ion generator according to the switching signal.

[0022] Optionally, the step of controlling the communication state of the air suction reversing door and the air exhaust reversing door in the air conditioning device according to the switching signal, and controlling the air blower in the air conditioning device to adjust the air pressure or air flow in the air-tight space comprises the following steps:

[0023] when the switching signal is the positive pressure mode, controlling the air suction reversing door to communicate with the outer air duct, and controlling the air exhaust reversing door to communicate with the second inner air duct, and controlling the air blower to guide the air flow to pass through the outer air duct, enter the disinfection chamber in the air conditioning device for disinfection, and then enter the air-tight space from the second inner air duct, so that the air pressure of the air-tight space is greater than the external air pressure.

[0024] Optionally, the air conditioning device further comprises a controller configured to control the air conditioning device to adjust air pressure or air flow in the air-tight space according to the switching signal, and the method comprises:

[0025] When the switching signal is the negative pressure mode, the controller controls the air suction reversing door to be connected to the first internal air duct, controls the air exhaust reversing door to be connected to the external air duct, and controls the air blower to guide air flow to pass through the first internal air duct, enter the sterilization cabin of the air conditioning device for sterilization, and then be discharged from the external air duct, so that the air pressure in the air-tight space is less than the external air pressure.

[0026] Optionally, the air conditioning device further comprises a controller configured to control the air conditioning device to adjust air pressure or air flow in the air-tight space according to the switching signal, and the method comprises:

[0027] When the switching signal is the purification mode, the controller controls the air suction reversing door to be connected to the first internal air duct, controls the air exhaust reversing door to be connected to the second internal air duct, and controls the air blower to guide air flow to pass through the first internal air duct, enter the sterilization cabin of the air conditioning device for sterilization, and then be sent back to the air-tight space from the second internal air duct.

[0028] In a third aspect, the application provides an automobile comprising a vehicle cabin and the air conditioning device as described above, wherein the first internal air duct and the second internal air duct of the air conditioning device are connected to an internal space of the vehicle cabin, and the external air duct of the air conditioning device is connected to a space outside the vehicle cabin.

[0029] Optionally, the controller of the air conditioning device is arranged in the vehicle cabin.

[0030] Optionally, the vehicle cabin comprises a passenger cabin and a trunk, the air conditioning device is arranged in the trunk, and the first internal air duct and the second internal air duct are connected to an internal space of the passenger cabin.

[0031] Optionally, the controller is arranged in the passenger cabin.

[0032] Compared with the prior art, the embodiments of the application have the following advantages:

[0033] By selecting the conduction mode of the air suction reversing door and the air exhaust reversing door, and driving the air flow by the air blower, the air pressure difference between the closed space and the outside can be controlled according to the requirement, and the uncontrollable air flow caused by the uncontrollable air pressure difference between the inside and the outside is avoided. Moreover, the air passing through the sterilization cabin can be sterilized, the pollutants in the air are effectively reduced, the air quality entering the closed space or exhausted to the outside is ensured, and the air self-circulation purification in the closed space can be realized.

[0034] Additional aspects and advantages of the application will be set forth in part in the description which follows, and in part will become apparent to those skilled in the art upon examination of the following description and the attached drawings. BRIEF DESCRIPTION OF DRAWINGS

[0035] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiment description will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor on the basis of these drawings.

[0036] Figure 1 The structural schematic diagram of the air conditioning device provided by the embodiment of the present application is shown in the figure;

[0037] Figure 2 The schematic diagram of the positive pressure mode of the embodiment of the present application is shown in the figure;

[0038] Figure 3 The schematic diagram of the negative pressure mode of the embodiment of the present application is shown in the figure;

[0039] Figure 4 The schematic diagram of the purification mode of the embodiment of the present application is shown in the figure;

[0040] Figure 5 The structural schematic diagram of the air conditioning device provided by another embodiment of the present application is shown in the figure;

[0041] Figure 6 The structural schematic diagram of the automobile provided by the embodiment of the present application is shown in the figure.

[0042] Explanation of reference signs:

[0043] 1-sterilization cabin; 11-filter element; 12-ultraviolet sterilization lamp;

[0044] 2-air blower;

[0045] 31-air suction reversing door; 32-air exhaust reversing door;

[0046] 4-outer air air duct;

[0047] 51-first inner air air duct; 52-second inner air air duct;

[0048] 61 - exhaust duct; 62 - negative ion generator;

[0049] 71 - controller; 72 - air pressure sensor; 73 - air pressure sensor wire harness; 74 - control wire harness;

[0050] 8 - automobile body; 9 - air conditioning device body. DETAILED DESCRIPTION

[0051] Embodiments of the present application are described in detail below with reference to the attached drawing figures, wherein the same or like reference numerals and characters throughout the figures denote the same or like elements or features. The embodiments described below are exemplary, and are not intended to be limiting.

[0052] As will be understood by persons skilled in the art, the singular forms "a," "an," "said," and "the" include plural referents unless the context clearly dictates otherwise. It should be further understood that the terms "comprise," "comprises," "comprising," "include," "includes," "including," "contain," "contains," "containing," and the like, when used herein, mean "including but not limited to," unless the context clearly dictates otherwise. It will be understood by those within the art that, in some aspects of this application, as

[0053] As will be understood by persons skilled in the art, the singular forms "a," "an," "said," and "the" include plural referents unless the context clearly dictates otherwise. It should be further understood that the terms "comprise," "comprises," "comprising," "include," "includes," "including," "contain," "contains," "containing," and the like, when used herein, mean "including but not limited to," unless the context clearly dictates otherwise. It will be understood by those within the art that, in some aspects of this application, as

[0054] Reference will now be made to Figure 1 , Figure 1 The structure of the air conditioning device provided in the embodiments of the present application is shown in the following figure.

[0055] As Figure 1As shown, the air conditioning device includes a disinfection chamber 1, a blower 2, an intake reversing door 31, and an exhaust reversing door 32. The air inlet of the blower 2 is connected to the disinfection chamber 1, and the air outlet is equipped with an exhaust pipe 61. One end of the intake reversing door 31 is connected to the disinfection chamber 1, and the other end is selectively connected to the external air duct 4 and the first internal air duct 51, allowing control of the disinfection chamber 1 to connect to either the external air duct 4 or the first internal air duct 51. One end of the exhaust reversing door 32 is connected to the exhaust pipe 61, and the other end is selectively connected to either the external air duct 4 or the second internal air duct 52, allowing control of the exhaust pipe 61 to connect to either the external air duct 4 or the second internal air duct 52. The first internal air duct 51 and the second internal air duct 52 connect to the same sealed space, and the external air duct 4 connects to the space outside the sealed space. The air pressure difference between the sealed space and the outside is controlled by changing the connection between the intake reversing door 31 and the exhaust reversing door 32. The disinfection chamber 1 is equipped with a filter element 11 and an ultraviolet disinfection lamp 12, which are used to filter and disinfect the air passing through.

[0056] When air conditioning is required, the connection state of the intake reversing door 31 and the exhaust reversing door 32 is changed according to the required conditioning mode, and then the blower 2 is started to provide power for air flow to achieve air conditioning.

[0057] Positive pressure mode is used to maintain a positive pressure inside a confined space that is higher than the outside air pressure, thereby preventing virus-laden outside air from directly entering the confined space through gaps. For example... Figure 2 As shown, Figure 2 This is a schematic diagram of the positive pressure mode in an embodiment of this application. The intake reversing door 31 is connected to the external air duct 4, allowing the disinfection chamber 1 to be connected to the outside through the external air duct 4. After the outside air enters the disinfection chamber 1, the space becomes larger and the airflow speed decreases. At this time, when passing through the filter element 11, fine particles and bacteria in the air are filtered and retained, and then disinfected by the ultraviolet disinfection lamp 12. Behind the filter element 11 is the blower 2, which makes the air flow. The air is sent to the exhaust pipe 61 through the blower 2, and then reaches the exhaust reversing door 32. The exhaust reversing door 32 is connected to the second internal air duct 52. At this time, the exhaust is conducted into the sealed space, and finally, the outside air is filtered, disinfected and purified before being discharged into the sealed space, while maintaining the air pressure in the sealed space higher than that in the outside.

[0058] Negative pressure mode is used to make the air pressure inside a confined space lower than the outside air pressure, thereby preventing contaminated air from leaking out through gaps and causing further pollution. For example... Figure 3 As shown, Figure 3This is a schematic diagram of the negative pressure mode in an embodiment of this application. The intake reversing door 31 is connected to the first internal air duct 51, making the disinfection chamber 1 connected to the sealed space. After the air enters the disinfection chamber 1, the space becomes larger and the air velocity decreases. At this time, when the air passes through the filter element 11, fine particles and bacteria in the air are filtered and retained, and then disinfected by the ultraviolet disinfection lamp 12. Behind the filter element 11 is the blower 2, which promotes airflow. The air is sent to the exhaust pipe 61 by the blower 2, and then reaches the exhaust reversing door 32. The exhaust reversing door 32 is connected to the external air duct 4. At this time, the exhaust pipe 61 is connected to the air outside the sealed space, and finally the air in the sealed space is discharged to the outside after being filtered, disinfected and purified, and the air pressure in the sealed space is kept lower than that of the outside.

[0059] The purification mode is used to purify the air in enclosed spaces. For example... Figure 4 As shown, Figure 4 This is a schematic diagram of the purification mode in an embodiment of this application. The intake reversing door 31 is connected to the first internal air duct 51, making the disinfection chamber 1 connected to the sealed space. After the air enters the disinfection chamber 1, the space becomes larger and the air velocity decreases. At this time, when the air passes through the filter element 11, fine particles and bacteria in the air are filtered and retained, and then disinfected by the ultraviolet disinfection lamp 12. Behind the filter element 11 is the blower 2, which promotes airflow. The air is sent to the exhaust pipe 61 by the blower 2, and then reaches the exhaust reversing door 32. The exhaust reversing door 32 is connected to the second internal air duct 52. At this time, the exhaust pipe 61 is connected to the sealed space, and finally the air in the sealed space is discharged back into the sealed space after being filtered, disinfected and purified, realizing the self-circulation purification of the air in the sealed space.

[0060] By utilizing the intake reversing door 31 and exhaust reversing door 32, and driving airflow with the blower 2, the air pressure difference between the sealed space and the outside can be controlled as needed, avoiding uncontrollable airflow caused by the inability to control the internal and external air pressure difference. Simultaneously, the air passing through the disinfection chamber 1 can be disinfected, effectively reducing air pollutants and ensuring the quality of air entering the sealed space or exiting the outside. Furthermore, it enables self-circulation and purification of the air within the sealed space.

[0061] like Figure 5 As shown, Figure 5The structural schematic diagram of the air conditioning device of another embodiment of the present application, in some embodiments, the air conditioning device further comprises a controller 71, the controller 71 is arranged outside the air conditioning device body 9, the controller 71 is in communication connection with the air blower 2 through the control wire harness 74, for controlling the starting state of the air blower 2, and the speed of the air blower 2 can be adjusted according to the requirement of the internal and external pressure difference. The controller 71 is in communication connection with the air suction reversing door 31 and the air exhaust reversing door 32 through the control wire harness 74, and the communication state of the air suction reversing door 31 and the air exhaust reversing door 32 is changed according to the currently selected adjustment mode. In some embodiments, the controller 71 is in communication connection with the ultraviolet sterilization lamp 12 through the control wire harness 74, and the on-off state of the ultraviolet sterilization lamp 12 is controlled by the controller 71.

[0062] In some embodiments, the air conditioning device further comprises an air pressure sensor 72, the air pressure sensor 72 is in communication connection with the controller 71 through the air pressure sensor wire harness 73, and the air pressure sensor 72 can be multiple, respectively arranged inside and outside the closed space, for monitoring the air pressure of the closed space and the outside world, and the controller 71 adjusts the speed of the air blower 2 according to the air pressure data of the air pressure sensor 72, so as to adjust the air pressure difference between the closed space and the outside world.

[0063] In some embodiments, the air exhaust pipe 61 is provided with a negative ion generator 62, the negative ion generator 62 generates negative ions which generate negative oxygen ions when contacting with air, and the passing air can be further cleaned. The negative ion generator 62 is in communication connection with the controller 71, and the on-off state of the negative ion generator 62 can be controlled by the controller 71.

[0064] Based on the same inventive concept, the embodiment of the present application provides an air conditioning method, which adopts any one of the above-mentioned air conditioning devices, and the method comprises the following steps:

[0065] Obtaining a switching signal of the adjustment mode;

[0066] According to the switching signal, the communication state of the air suction reversing door (31) and the air exhaust reversing door (32) in the air conditioning device is controlled, and the air blower (2) in the air conditioning device is controlled to adjust the air pressure or air flow in the air closed space, and the closed space is in communication with the first internal air duct (51) and the second internal air duct (52) of the air conditioning device.

[0067] In some embodiments, after starting the air blower 2 to adjust the air, further comprising:

[0068] Obtaining the air pressure value collected by the air pressure sensor 72;

[0069] Adjusting the speed of the air blower 2 according to the air pressure value.

[0070] In some implementations, after acquiring the adjustment mode switching signal, the method further includes:

[0071] The switching signal controls the on / off state of the ultraviolet disinfection lamp 12 and the negative ion generator 62.

[0072] Specifically, when the switching signal is in positive pressure mode, the intake reversing door 31 is connected to the external air duct 4, and the exhaust reversing door 32 is connected to the second internal air duct 52. The blower 2 guides the airflow through the external air duct 4 into the disinfection chamber 1 for disinfection, and then exits through the second internal air duct 52 into the sealed space, so that the air pressure in the sealed space is greater than the external air pressure. When the switching signal is in negative pressure mode, the intake reversing door 31 is connected to the first internal air duct 51, and the exhaust reversing door 32 is connected to the external air duct 4. The blower 2 guides the airflow through the first internal air duct 51 into the disinfection chamber 1 for disinfection, and then exits through the external air duct 4, so that the air pressure in the sealed space is less than the external air pressure.

[0073] When the switching signal is to purification mode, the intake reversing door 31 is connected to the first internal air duct 51, and the exhaust reversing door 32 is connected to the second internal air duct 52. The blower 2 is controlled to guide the airflow through the first internal air duct 51 into the disinfection chamber 1 for disinfection, and then return it to the sealed space through the second internal air duct 52.

[0074] Based on the same inventive concept, this application provides an automobile, including a passenger compartment and any of the above-mentioned air conditioning devices. The sealed space connected by the first internal air duct 51 and the second internal air duct 52 is the passenger compartment, that is, the first internal air duct 51 and the second internal air duct 52 are connected to the interior space of the passenger compartment, and the external air duct 4 is connected to the space outside the passenger compartment.

[0075] like Figure 6 As shown, Figure 6 The present application provides a schematic diagram of the structure of a car. In some embodiments, the controller 71 is located inside the passenger compartment of the car body 8, for example, it can be integrated into the vehicle control display screen or set separately near the vehicle's control end. The air conditioning unit body 9 is located at the rear of the car body 8 and is connected to the controller 71 through a control wiring harness. The occupants in the passenger compartment can control the adjustment mode and the internal and external pressure difference value through the controller 71 as needed.

[0076] In some embodiments, the vehicle includes a passenger compartment and a trunk. The air conditioning unit 9 is located in the trunk. The external air duct 4 passes through the floor or side panel and communicates with the outside. The first internal air duct 51 and the second internal air duct 52 communicate with the passenger compartment. The controller 71 is located in the passenger compartment.

[0077] In some embodiments, the vehicle can be a civilian vehicle, which generally includes private vehicles, government vehicles, enterprise vehicles, etc., including but not limited to a two- or three-box sedan, a SUV (Sport / Suburban Utility Vehicle), a van, a minibus, a bus, a freight vehicle, etc. In other embodiments, the vehicle can also be a special-purpose vehicle (or non-civilian vehicle), i.e., a vehicle equipped with special equipment and having special functions for undertaking special transportation tasks or special operations and other special purposes, including but not limited to an ambulance, a fire engine, etc.

[0078] It should be noted that the preferred embodiments of the present application are given in the specification and drawings of the present application, but the present application can be implemented in many different forms, and is not limited to the embodiments described in the specification. These embodiments are not intended to be additional limitations on the content of the present application, and the purpose of providing these embodiments is to make the disclosure of the present application more thorough and comprehensive. Furthermore, the above technical features continue to be combined with each other, forming various embodiments not listed above, which are all considered to be within the scope of the present application. Furthermore, for those skilled in the art, the above description can be improved or modified, and all such improvements and modifications are intended to be within the scope of the appended claims.

Claims

1. An air conditioning device characterized by comprising: The air conditioning device comprises: a sterilization bin (1) provided with a filter element (11) and a UV sterilization lamp (12) inside; a blower (2) with an air inlet connected to the sterilization bin (1) and an air outlet provided with an exhaust duct (61); an air suction reversing door (31) having one end connected to the sterilization bin (1) and the other end connected to an external air duct (4) and a first internal air duct (51) in a selective manner, for controlling the sterilization bin (1) to communicate with the external air duct (4) or the first internal air duct (51); an exhaust reversing door (32) having one end connected to the exhaust duct (61) and the other end connected to the external air duct (4) and a second internal air duct (52) in a selective manner, for controlling the exhaust duct (61) to communicate with the external air duct (4) or the second internal air duct (52); the first internal air duct (51) and the second internal air duct (52) communicate with the same closed space; in a positive pressure mode, the air suction reversing door (31) communicates with the external air duct (4), the exhaust reversing door (32) communicates with the second internal air duct (52), and the blower (2) is configured to guide the airflow to enter the sterilization bin (1) for sterilization through the external air duct (4) and then into the closed space through the second internal air duct (52); in a negative pressure mode, the air suction reversing door (31) communicates with the first internal air duct (51), the exhaust reversing door (32) communicates with the external air duct (4), and the blower (2) is configured to guide the airflow to enter the sterilization bin (1) for sterilization through the first internal air duct (51) and then discharge through the external air duct (4); in a purification mode, the air suction reversing door (31) communicates with the first internal air duct (51), the exhaust reversing door (32) communicates with the second internal air duct (52), and the blower (2) is configured to guide the airflow to enter the sterilization bin (1) for sterilization through the first internal air duct (51) and then return to the closed space through the second internal air duct (52).

2. The air conditioning apparatus according to claim 1, wherein The air conditioning device further comprises a controller (71) in communication with the blower (2), the air suction reversing door (31) and the exhaust reversing door (32), for controlling the communication mode of the air suction reversing door (31) and the exhaust reversing door (32).

3. The air conditioning apparatus according to claim 1, wherein The air conditioning device further comprises a gas pressure sensor (72) in communication with the controller (71).

4. The air conditioning apparatus according to claim 1, wherein The exhaust duct (61) is provided with a negative ion generator (62).

5. An air conditioning method using the air conditioning apparatus according to any one of claims 1 to 4, characterized by, The air conditioning device further comprises a controller (71) in communication with the blower (2), the air suction reversing door (31) and the exhaust reversing door (32), for controlling the communication mode of the air suction reversing door (31) and the exhaust reversing door (32). The air conditioning device further comprises a gas pressure sensor (72) in communication with the controller (71). The exhaust duct (61) is provided with a negative ion generator (62). The air conditioning device further comprises a controller (71) in communication with the blower (2), the air suction reversing door (31) and the exhaust reversing door (32), for controlling the communication mode of the air suction reversing door (31) and the exhaust reversing door (32). The air conditioning device further comprises a gas pressure sensor (72) in communication with the controller (71). The exhaust duct (61) is provided with a negative ion generator (62). The air conditioning device further comprises a controller (71) in communication with the blower (2), the air suction reversing door (31) and the exhaust reversing door (32), for controlling the communication mode of the air suction reversing door (31) and the exhaust reversing door (32). The air conditioning device further comprises a gas pressure sensor (72) in communication with the controller (71). The exhaust duct (61) is provided with a negative ion generator (62). The air conditioning device further comprises a controller (71) in communication with the blower (2), the air suction reversing door (31) and the exhaust reversing door (32), for controlling the communication mode of the air suction reversing door (31) and the exhaust reversing door (32). The air conditioning device further comprises a gas pressure sensor (72) in communication with the controller (71). The exhaust duct (61) is provided with a negative ion generator (62). The air conditioning device further comprises a controller (71) in communication with the blower (2), the air suction reversing door (31) and the exhaust reversing door (32), for controlling the communication mode of the air suction reversing door (31) and the exhaust reversing door (32). The air conditioning device further comprises a gas pressure sensor (72) in communication with the controller (71). The exhaust duct (61) is provided with a negative ion generator (62). The air conditioning device further comprises a controller (71) in communication with the blower (2), the air suction reversing door (31) and the exhaust reversing door (32), for controlling the communication mode of the air suction reversing door (31) and the exhaust reversing door (32). The air conditioning device further comprises a gas pressure sensor (72) in communication with the controller (71). The exhaust duct (61) is provided with a negative ion generator (62). The air conditioning device further comprises a controller (71) in communication with the blower (2), the air suction reversing door (31) and the exhaust reversing door (32), for controlling the communication mode of the air suction reversing door (31) and the exhaust reversing door (32). The air conditioning device further comprises a gas pressure sensor (72) in communication with the controller (71). The exhaust duct (61) is provided with a negative ion generator (62). The air conditioning device further comprises a controller (71) in communication with the blower (2), the air suction reversing door (31) and the exhaust reversing door (32), for controlling the communication mode of the air suction reversing door (31) and the exhaust reversing door (32). The air conditioning device further comprises a gas pressure sensor (72) in communication with the controller (71). The exhaust duct (61) is provided with a negative ion generator (62). The air conditioning device further comprises a controller (71) in communication with the blower (2), the air suction reversing door (31) and the exhaust reversing door (32), for controlling the communication mode of the air suction reversing door (31) and the exhaust reversing door (32). The air conditioning device further comprises a gas pressure sensor (72) in communication with the controller (71). The exhaust duct (61) is provided with a negative ion generator (62). The air conditioning device further comprises a controller (71) in communication with the blower (2), the air suction reversing door (31) and the exhaust reversing door (32), for controlling the communication mode of the air suction reversing door (31) and the exhaust reversing door (32). The air conditioning device further comprises a gas pressure sensor (72) in communication with the controller (71). The exhaust duct (61) is provided with a negative ion generator (62). The air conditioning device further comprises a controller (71) in communication with the blower (2), the air suction reversing door (31) and the exhaust reversing door (32), for controlling the communication mode of the air suction reversing door (31) and the exhaust reversing door (32). The air conditioning device further comprises a gas pressure sensor (72) in communication with the controller (71). The exhaust duct (61) is provided with a negative ion generator (62). The air conditioning device further comprises a controller (71) in communication with the blower (2), the air suction reversing door (31) and the exhaust reversing door (32), for controlling the communication mode of the air suction reversing door (31) and the exhaust reversing door (32). The air conditioning device further comprises a gas pressure sensor (72) in communication with the controller (71). The exhaust duct (61) is provided with a negative ion generator (62). The air conditioning device further comprises a controller (71) in communication with the blower (2), the air suction reversing door (31) and the exhaust reversing door (32), for controlling the communication mode of the air suction reversing door (31) and the exhaust reversing door (32). The air conditioning device further comprises a gas pressure sensor (72) in communication with the controller (71). The exhaust duct (61) is provided with a negative ion generator (62). The air conditioning device further comprises a controller (71) in communication with the blower (2), the air suction reversing door (31) and the exhaust reversing door (32), for controlling the communication mode of the air suction reversing door (31) and the exhaust reversing door (32). The air conditioning device further comprises a gas pressure sensor (72) in communication with the controller (71). The exhaust duct (61) is provided with a negative ion generator (62). The air conditioning device further comprises a controller (71) in communication with the blower (2), the air suction reversing door (31) and the exhaust reversing door (32), for controlling the communication mode of the air suction reversing door (31) and the exhaust reversing door (32). The air conditioning device further comprises a gas pressure sensor (72) in communication with the controller (71). The exhaust duct (61) is provided with a negative ion generator (62). The air conditioning device further comprises a controller (71) in communication with the blower (2), the air suction reversing door (31) and the exhaust According to the switching signal, the communication state of the air suction reversing door (31) and the air exhaust reversing door (32) in the air conditioning device is controlled, and the air pressure or air flow of the air in the air-tight space is adjusted by controlling the air blower (2) in the air conditioning device, comprising: when the switching signal is positive pressure mode, the air suction reversing door (31) is connected with the outside air duct (4), the air exhaust reversing door (32) is connected with the second inside air duct (52), and the air blower (2) is controlled to guide the air flow to enter the sterilization cabin (1) in the air conditioning device through the outside air duct (4) for sterilization, and then from the second inside air duct (52) into the air-tight space, so that the air pressure of the air-tight space is greater than the outside air pressure; when the switching signal is negative pressure mode, the air suction reversing door (31) is connected with the first inside air duct (51), the air exhaust reversing door (32) is connected with the outside air duct (4), and the air blower (2) is controlled to guide the air flow to enter the sterilization cabin (1) in the air conditioning device through the first inside air duct (51) for sterilization, and then discharged from the outside air duct (4), so that the air pressure of the air-tight space is less than the outside air pressure; when the switching signal is purification mode, the air suction reversing door (31) is connected with the first inside air duct (51), the air exhaust reversing door (32) is connected with the second inside air duct (52), and the air blower (2) is controlled to guide the air flow to enter the sterilization cabin (1) in the air conditioning device through the first inside air duct (51) for sterilization, and then sent back to the air-tight space from the second inside air duct (52); the air-tight space is connected with the first inside air duct (51) and the second inside air duct (52) of the air conditioning device.

6. The air conditioning method according to claim 5, characterized by, After the air pressure or air flow of the air in the air-tight space is adjusted according to the switching signal, the communication state of the air suction reversing door and the air exhaust reversing door in the air conditioning device is controlled, and the air pressure or air flow of the air in the air-tight space is adjusted by controlling the air blower in the air conditioning device, further comprising: The air pressure value collected by the air pressure sensor (72) is obtained; The speed of the air blower (2) is adjusted according to the air pressure value.

7. The air conditioning method according to claim 5, characterized by, After the switching signal of the adjustment mode is obtained, further comprising: The switching state of the ultraviolet sterilization (12) lamp and the negative ion generator (62) is controlled according to the switching signal.

8. An automobile characterized by comprising: The air conditioning device according to any one of claims 1 to 4, the first inside air duct (51) and the second inside air duct (52) of the air conditioning device are connected with the inside space of the vehicle cabin, and the outside air duct (4) of the air conditioning device is connected with the space outside the vehicle cabin.

9. The vehicle of claim 8, wherein The controller (71) of the air conditioning device is arranged in the vehicle cabin.

10. The vehicle of claim 9, wherein, The air conditioning device is arranged in the trunk, and the first inside air duct (51) and the second inside air duct (52) are connected with the inside space of the passenger cabin.

11. The vehicle of claim 10, wherein, The controller (71) is arranged in the passenger cabin. The air conditioning device is arranged in the trunk, and the first inside air duct (51) and the second inside air duct (52) are connected with the inside space of the passenger cabin.

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