Electric vehicle local air conditioning control system and control method

Abstract

The present invention discloses a method and system for controlling local air conditioning in an electric vehicle, comprising: in response to a vehicle unlocking control signal, a body controller controls vehicle unlocking; after successful unlocking, the body controller controls power supply to an air conditioning control module and sends a self-ventilation start request instruction to the air conditioning control module; after receiving the request instruction, the air conditioning control module controls the start of a blower external circulation to achieve air circulation within the vehicle; after a set time, the body controller controls the end of the blower external circulation process or power off. By providing a self-cleaning function for the electric vehicle's onboard air conditioning, the present invention controls the air conditioning control module to delay shutting down the blower after the vehicle is turned off or a person leaves the vehicle and locks it, thereby improving the humid environment in the air duct and ensuring dry and clean air inside the vehicle.

Description

Technical Field

[0001] The present invention relates to the technical field of electric vehicles, and in particular to a local air-conditioning control system and a control method for an electric vehicle. Background Art

[0002] The statements in this section merely provide background information related to the present invention and do not necessarily constitute prior art.

[0003] At present, electric vehicles, as the representative of new energy vehicles, have been increasingly widely used; the vehicle air-conditioning system plays a decisive role in the comfort of the electric vehicle cockpit; the control methods of vehicle air-conditioning are also becoming more and more diverse, such as control through the center console, remote control by user mobile terminals, timed control through preset programs, or automatic control according to the temperature and humidity in the car.

[0004] However, existing electric vehicle air conditioning systems often lack self-cleaning or self-ventilating functions. After the vehicle is started, the user must manually turn on the air conditioning; after the vehicle is turned off, the air conditioning system also shuts down. If there is an odor in the vehicle's cabin before the ignition is turned off, the odor will remain inside after the user leaves and locks the vehicle, and will not dissipate automatically. Furthermore, the air conditioning duct remains humid, which easily breeds bacteria and is not conducive to clean air inside the vehicle. Similarly, after the user unlocks the vehicle and enters the vehicle, the air conditioning system must be manually turned on, and any odor inside the vehicle before then cannot be promptly removed. Summary of the Invention

[0005] In order to solve the above problems, the present invention proposes a local air-conditioning control system and control method for electric vehicles, which sets a self-cleaning mode and a self-ventilation mode. After the vehicle is turned off, the air-conditioning can be controlled to be delayed and shut down; after the vehicle is unlocked, the blower is automatically turned on to circulate the air in the vehicle in time.

[0006] In some embodiments, the following technical solutions are adopted:

[0007] A method for controlling local air conditioning in an electric vehicle, comprising:

[0008] In response to the vehicle unlocking control signal, the body controller controls the vehicle to unlock;

[0009] After unlocking is successful, the body controller controls the power supply to the air conditioning control module and sends a self-ventilation opening request instruction to the air conditioning control module;

[0010] After receiving the request instruction, the air conditioning control module controls to start the blower external circulation to realize air circulation in the vehicle;

[0011] After the set time, the body controller controls the blower external circulation process to end or cut off the power.

[0012] As a further solution, when the blower external circulation is on, if any door of the vehicle is opened, the blower external circulation process is terminated.

[0013] As a further solution, if the vehicle body controller determines that the vehicle unlocking fails, the self-ventilation fails to open.

[0014] As a further solution, the control signal for unlocking the vehicle is sent via a remote control key or remotely via a mobile phone APP.

[0015] As a further solution, it also includes:

[0016] When the body controller detects that the AC / PTC is off and the blower is off or the air conditioner is off within the set time, the body controller controls to continue to supply power to the air conditioning control module and sends a self-cleaning start request command;

[0017] After receiving the self-cleaning start request instruction, the air conditioning control module continues to control the air conditioning blower to start. After the set time, the body controller controls the air conditioning to turn off or power off.

[0018] As a further solution, during the self-cleaning process, if a manual instruction to turn off the air-conditioning blower is received, the body controller controls the air-conditioning to turn off or power off.

[0019] As a further solution, during the self-cleaning activation process, the body controller controls the vehicle display screen to display a prompt message indicating that self-cleaning is activated.

[0020] In other embodiments, the following technical solutions are adopted:

[0021] A local air-conditioning control system for an electric vehicle, comprising:

[0022] The body controller is configured to control the vehicle to unlock in response to the control signal of vehicle unlocking; after successful unlocking, it controls the power supply to the air conditioning control module and sends a self-ventilation opening request instruction to the air conditioning control module; and controls the blower external circulation process to end or cut off the power after the set time of self-ventilation opening.

[0023] The air conditioning control module is configured to control the opening of the blower external circulation after receiving a request instruction from the vehicle body controller to realize air circulation in the vehicle.

[0024] As a further solution, the method further includes: when the body controller detects that the AC / PTC is off and the blower is off or the air conditioner is off within a set time, the body controller continues to supply power to the air conditioner control module and sends a self-cleaning start request instruction;

[0025] After receiving the self-cleaning start request instruction, the air conditioning control module continues to control the air conditioning blower to start. After the set time, the body controller controls the air conditioning to turn off or power off.

[0026] In other embodiments, the following technical solutions are adopted:

[0027] An electric vehicle comprises the above-mentioned electric vehicle local air-conditioning control system.

[0028] Compared with the prior art, the present invention has the following beneficial effects:

[0029] (1) The present invention sets a self-cleaning function for the air conditioner on an electric vehicle. When the vehicle is turned off or a person leaves the vehicle and locks it, the air conditioner control module is controlled to delay shutting down the blower to improve the humid environment in the air duct and ensure that the air inside the vehicle is dry and clean.

[0030] (2) The present invention sets a self-ventilation function for the air conditioner on the electric vehicle. Before the vehicle is unlocked and people enter the vehicle, the air conditioner blower is turned on to circulate the air in the vehicle in advance, thereby improving the air quality in the vehicle and ensuring that people can have a good air environment after entering the vehicle.

[0031] Other features and advantages of additional aspects of the present invention will be given in part in the following description and in part will become obvious from the following description or will be learned through practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] Figure 1 Flowchart of the vehicle self-ventilation process in an embodiment of the present invention;

[0033] Figure 2 Flowchart of the vehicle self-cleaning process in an embodiment of the present invention. DETAILED DESCRIPTION

[0034] It should be noted that the following detailed description is illustrative and is intended to provide further explanation of the present application. Unless otherwise specified, all technical and scientific terms used in the present invention have the same meaning as commonly understood by those skilled in the art to which the present application belongs.

[0035] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, they indicate the presence of features, steps, operations, devices, components and / or combinations thereof.

[0036] Example 1

[0037] In one or more embodiments, a method for controlling local air conditioning in an electric vehicle is disclosed, combining Figure 1 , specifically including the following process:

[0038] (1) In response to a vehicle unlocking control signal, the body controller CEM controls the vehicle to unlock;

[0039] In this embodiment, the body controller CEM communicates with the vehicle remote control key or remotely communicates with the mobile phone APP, and the control signal for unlocking the vehicle can be sent through the vehicle remote control key or remotely sent through the mobile phone APP.

[0040] (2) After unlocking is successful, the body controller CEM controls the air conditioning control module ACCM to supply power and sends a self-ventilation opening request command to the air conditioning control module ACCM;

[0041] (3) After receiving the self-ventilation start request instruction, the air conditioning control module ACCM controls the start of the blower external circulation to realize the air circulation in the vehicle; at the same time, the self-ventilation start success signal is fed back to the body controller. After receiving the self-ventilation start success signal, the body controller sets the time (for example, 30s) and controls the end of the self-ventilation mode (i.e., the blower external circulation) or cuts off the power to the air conditioning control module ACCM.

[0042] During the process of the self-ventilation mode being turned on, if an interruption signal indicating that any door is opened is received, the self-ventilation mode (ie, the blower external circulation) is controlled to end and the air-conditioning blower is turned off.

[0043] If unlocking is unsuccessful, the body controller CEM will not control the self-ventilation mode to start.

[0044] As a further embodiment, the electric vehicle local air conditioning control method further includes a control process of a self-cleaning mode, combined with Figure 2 , as follows:

[0045] When the body controller CEM detects that the AC (referring to the air conditioning cooling switch) / PTC (air conditioning heating switch) is turned off and the blower is turned off or the air conditioning is turned off within the set time, the body controller CEM controls to continue to supply power to the air conditioning control module ACCM and sends a self-cleaning mode start request command;

[0046] After the air conditioning control module ACCM receives the self-cleaning mode start request command, it continues to control the air conditioning blower to turn on. After the set time (for example, 15 seconds), the body controller controls the air conditioning to turn off or power off.

[0047] During this process, if an interruption message is received to manually shut down the blower, the body controller CEM directly controls the air conditioner to shut down or power off.

[0048] In addition, during the self-cleaning process, the body controller CEM controls the vehicle screen to display the self-cleaning prompt message, such as the prompt message "air conditioning self-cleaning system working", to remind users not to turn off the blower.

[0049] It should be noted that the above-mentioned control process of the self-cleaning mode or the self-ventilation mode requires the air conditioner to turn on the self-cleaning mode or the self-ventilation mode to operate normally. The user can also choose to turn off the self-cleaning mode or the self-ventilation mode. When the mode is turned off, even if the above-mentioned trigger conditions are met in time, the vehicle will not perform the above-mentioned corresponding control actions.

[0050] This embodiment sets a self-cleaning function for the electric vehicle's onboard air conditioner. When the vehicle is turned off or a person leaves the vehicle and locks it, the air conditioner control module is controlled to delay shutting down the blower to improve the humid environment in the air duct and ensure dry and clean air inside the vehicle.

[0051] This embodiment sets a self-ventilation function for the electric vehicle's onboard air conditioner. Before the vehicle is unlocked and people enter the vehicle, the air conditioner blower is turned on to circulate the air in the vehicle in advance, which can improve the air quality in the vehicle and ensure that people can have a good air environment after entering the vehicle.

[0052] Example 2

[0053] In one or more embodiments, a local air conditioning control system for an electric vehicle is disclosed, specifically comprising:

[0054] The body controller CEM is configured to control the vehicle to unlock in response to the control signal of vehicle unlocking; after successful unlocking, it controls the power supply to the air conditioning control module and sends a self-ventilation opening request instruction to the air conditioning control module; and controls the blower external circulation process to end or cut off the power after the set time of self-ventilation opening.

[0055] The air conditioning control module ACCM is configured to control the opening of the blower external circulation after receiving a request instruction from the body controller to realize air circulation in the vehicle.

[0056] As a further solution, when the body controller detects that the AC / PTC is off and the blower is off or the air conditioner is off within the set time, it continues to power the air conditioning control module and sends a self-cleaning start request command;

[0057] After receiving the self-cleaning start request instruction, the air conditioning control module continues to control the air conditioning blower to start. After the set time, the body controller controls the air conditioning to turn off or power off.

[0058] The above-mentioned specific control implementation process is the same as the detailed implementation process introduced in Example 1, and will not be described in detail here.

[0059] Example 3

[0060] In one or more embodiments, an electric vehicle is disclosed, including the electric vehicle local air-conditioning control system described in the second embodiment.

[0061] Although the above describes the specific embodiments of the present invention in conjunction with the accompanying drawings, it is not intended to limit the scope of protection of the present invention. Those skilled in the art should understand that various modifications or variations that can be made by those skilled in the art on the basis of the technical solution of the present invention without any creative work are still within the scope of protection of the present invention.

Claims

1. A method for controlling local air conditioning in an electric vehicle, characterized in that: include: In response to the vehicle unlocking control signal, the body controller controls the vehicle to unlock; After unlocking is successful, the body controller controls the power supply to the air conditioning control module and sends a self-ventilation opening request instruction to the air conditioning control module; If the body controller determines that the vehicle has failed to be unlocked, the automatic ventilation will fail to start; After receiving the request instruction, the air conditioning control module controls to start the blower external circulation to realize air circulation in the vehicle; After the set time, the body controller controls the blower external circulation process to end or cut off the power; When the body controller detects that the AC / PTC is off and the blower is off or the air conditioner is off within the set time, the body controller controls to continue to supply power to the air conditioning control module and sends a self-cleaning start request command; After receiving the self-cleaning start request instruction, the air conditioning control module continues to control the air conditioning blower to start. After the set time, the body controller controls the air conditioning to turn off or power off.

2. The electric vehicle local air conditioning control method according to claim 1, characterized in that: During the blower external circulation start-up process, if any door of the vehicle is opened, the blower external circulation process is terminated.

3. The electric vehicle local air conditioning control method according to claim 1, characterized in that: The control signal for unlocking the vehicle is sent via a remote control key or remotely via a mobile phone APP.

4. The electric vehicle local air conditioning control method according to claim 1, characterized in that: During the self-cleaning process, if a command is received to manually shut down the air conditioning blower, the body controller will control the air conditioning to shut down or power off.

5. The electric vehicle local air conditioning control method according to claim 1, characterized in that: During the self-cleaning process, the body controller controls the vehicle display screen to display the self-cleaning prompt message.

6. A local air conditioning control system for an electric vehicle, characterized in that: include: The body controller is configured to control the vehicle to unlock in response to a control signal for unlocking the vehicle; after successful unlocking, control the air conditioning control module to be powered on and send a self-ventilation start request instruction to the air conditioning control module; control the blower to terminate the external circulation process or cut off the power after a set time for self-ventilation start; if the body controller determines that the vehicle has failed to unlock, the self-ventilation start fails; The air conditioning control module is configured to control the opening of the blower external circulation to realize air circulation in the vehicle after receiving a request instruction from the vehicle body controller; When the body controller detects that the AC / PTC is off and the blower is off or the air conditioner is off within a set time, it continues to supply power to the air conditioning control module and sends a self-cleaning start request instruction; After receiving the self-cleaning start request instruction, the air conditioning control module continues to control the air conditioning blower to start. After the set time, the body controller controls the air conditioning to turn off or power off.

7. An electric vehicle, characterized in that: Including the electric vehicle local air-conditioning control system as described in claim 6.

Images