Constant temperature control method, system and controller for passenger compartment

Abstract

The invention relates to the technical field of traffic control systems, in particular to a passenger compartment constant temperature control method and system and a controller. According to the system, an in-vehicle temperature sensor is connected with an intermediate controller and used for transmitting in-vehicle temperature to the intermediate controller in real time after a vehicle is powered off; the medium controller is used for comparing the in-vehicle temperature with a high-temperature limit value in real time, and if the in-vehicle temperature exceeds the high-temperature limit value, an awakening message is sent to the vehicle body controller BCM; the BCM is started in response to the wake-up message, and a hung air conditioner system controller is started; the air conditioning system controller is used for collecting the temperature in the automobile from the temperature sensor in the automobile and cooling the temperature in the automobile. After the vehicle is powered off, cooling control is carried out only when the temperature in the vehicle is high, control does not need to be started after the vehicle is powered off, and a constant temperature function does not need to be set in advance.

Description

Technical Field

[0001] The present application relates to the field of air conditioning control technology, and in particular to a constant temperature control method, system and controller for a passenger compartment. Background Art

[0002] The constant temperature control of the vehicle passenger compartment is an important aspect in modern car design. It aims to ensure that passengers can enjoy a comfortable and stable temperature environment in the car. After the user leaves the car and turns off the power, the temperature inside the car may rise due to exposure to the sun, which also requires constant temperature control.

[0003] At present, CN115195395A discloses a method for maintaining temperature after leaving the vehicle, wherein the vehicle end receives the type of mode selected by the driver, and the type of mode includes mode 1 and mode 2; the air conditioning system is adjusted to automatic mode and the air conditioning is turned on, so that the temperature in the member compartment is at the target temperature value and remains constant; the vehicle end receives the vehicle leaving signal sent by the driver, the battery management system is activated, and responds to the type of mode selected by the driver, when responding to the mode 1, the body management system is in an activated state, and when responding to the mode 2, the body management system is in a dormant state. CN116572699A discloses a method for controlling a pure electric vehicle to maintain a constant temperature in the vehicle after leaving the vehicle, in the parking state, the air conditioning control device is activated; after the air conditioning control device is activated, the temperature in the vehicle is monitored; when the temperature in the vehicle is higher or lower than the set temperature threshold or a remote control opening command is received, the air conditioning control device controls the temperature in the vehicle; when the temperature in the vehicle reaches a preset temperature threshold or a remote control closing command is received, the air conditioning control device is closed.

[0004] In both of the above two prior art documents, the user is required to set the constant temperature function in advance, and the temperature inside the car needs to be collected in real time after the user leaves the car to achieve the purpose of real-time temperature control. If the user forgets to set the constant temperature function, there is still a risk of high temperature inside the car; moreover, the real-time constant temperature control is performed after the user leaves the car without considering the user's need to use the car again, resulting in a large amount of power consumption by the air conditioner.

[0005] In view of this, this application is filed. Summary of the invention

[0006] The purpose of the present application is to provide a passenger compartment constant temperature control method, system and controller, so that cooling control is performed only when the temperature inside the vehicle is high after the vehicle is powered off. There is no need to start control after power is off, nor is there a need to set the constant temperature function in advance.

[0007] In order to achieve the above objectives, this application adopts the following technical solutions: In a first aspect, the present application provides a passenger cabin constant temperature control system, comprising: The in-vehicle temperature sensor is connected to the intermediate controller and is used to transmit the in-vehicle temperature to the intermediate controller in real time after the vehicle is powered off; The intermediate controller is used to compare the temperature inside the vehicle with the high temperature limit in real time, and if the temperature exceeds the high temperature limit, a wake-up message is sent to the body controller BCM; The BCM starts up in response to the wake-up message and starts up the air conditioning system controller connected thereto; The air conditioning system controller is used to collect the temperature inside the vehicle from the temperature sensor inside the vehicle and cool the temperature inside the vehicle; Wherein, after the vehicle is powered off, the intermediate controller is powered by a battery.

[0008] Optionally, the intermediary controller is further configured to send the remote authentication request message to the BCM after receiving the remote authentication request message; The BCM is used to perform authentication in response to the remote authentication request message, and after successful authentication, send a success message to the intermediate controller; start the air conditioning system controller connected to the intermediate controller; The intermediary controller is used to send the success message and the real-time in-vehicle temperature to the remote terminal via the vehicle-mounted communication terminal T-BOX.

[0009] Optionally, the remote terminal is used to pre-set remote control instructions, the remote control instructions include remote vehicle search instructions and remote vehicle control instructions; and at the same time, it is set whether the remote control instructions carry a constant temperature control sub-instruction; The T-BOX is used to receive the remote control command and the constant temperature control sub-command sent by the remote terminal, and send a remote authentication request message and a constant temperature control message to the intermediate controller; The BCM is used to start the downstream air conditioning system controller in response to the constant temperature control message.

[0010] Optionally, the T-BOX is used to obtain the position of the remote terminal in real time during the process of sending the success message and the real-time in-vehicle temperature to the remote terminal, and send the position of the remote terminal to the intermediate controller; The intermediate controller is used to determine a temperature adjustment strategy according to the location of the remote terminal and the current temperature in the vehicle; and send the temperature adjustment strategy to the air conditioning system controller through the BCM.

[0011] Optionally, when the intermediate controller determines the temperature adjustment strategy according to the location of the remote terminal and the current temperature in the vehicle, it is specifically used to: Determining the distance between the remote terminal and the vehicle according to the position of the remote terminal and the position of the vehicle; Determine a low power consumption adjustment strategy or a rapid cooling strategy according to the distance and the current temperature inside the vehicle; The air conditioning system controller cools the vehicle interior temperature to a target temperature in response to the low power consumption adjustment strategy in a first set time period; In response to the rapid cooling strategy, the air conditioning system controller cools the vehicle interior temperature to a target temperature within a second set time period, wherein the first set time period is greater than the second set time period.

[0012] Optionally, the intermediate controller is used to determine that the temperature inside the vehicle reaches the target temperature through the temperature sensor inside the vehicle after the temperature inside the vehicle is cooled; and send the current temperature inside the vehicle to the remote terminal through the T-BOX; The remote terminal is used to display the current temperature inside the vehicle on the screen and display the air conditioning control interface; in response to the user's operation on the air conditioning control interface, the air conditioning control command is sent to the air conditioning system controller through the T-BOX, the intermediate controller, and the BCM.

[0013] Optionally, an in-vehicle environment sensor is connected to the intermediate controller and is used to transmit in-vehicle environment data to the intermediate controller in real time after the vehicle is powered off; wherein the in-vehicle environment data includes harmful gas content and microbial content; The intermediary controller is used to compare the in-vehicle environment data with the reference data range, and if it exceeds the reference data range, send a wake-up message to the BCM; The BCM is used to start up in response to the wake-up message and start the target controllers hanging down; the target controllers include a window controller, a disinfection controller and an air conditioning system controller; The target controller is used to improve the in-vehicle environment data so that the in-vehicle environment data falls within the reference data range.

[0014] In a second aspect, the present application provides a passenger cabin constant temperature control method, comprising: After the vehicle is powered off, the temperature inside the vehicle is collected in real time; Compare the temperature inside the vehicle with the high temperature limit in real time. If the temperature exceeds the high temperature limit, send a wake-up message to the body controller BCM to start the air conditioning system controller through the BCM and perform constant temperature control on the passenger compartment; After the vehicle is powered off, the intermediate controller is powered by a battery.

[0015] Optionally, after receiving the remote authentication request message, the remote authentication request message is sent to the BCM, so as to start the downstream air conditioning system controller through the BCM; The success message and the real-time in-vehicle temperature obtained from the BCM are sent to the remote terminal via the vehicle communication terminal T-BOX.

[0016] In a third aspect, the present application provides a controller, comprising: at least one processor, and a memory communicatively coupled to at least one of the processors; Wherein, the memory stores instructions that can be executed by at least one of the processors, and the instructions are executed by at least one of the processors so that at least one of the processors can execute any of the passenger compartment constant temperature control methods.

[0017] Compared with the prior art, the beneficial effects of this application are: Based on the existing vehicle architecture, this application adds an intermediate controller powered by a battery, and the intermediate controller is connected to the in-car temperature sensor, so that after the vehicle is powered off, the in-car temperature can still be obtained in real time; this application also configures a temperature comparison algorithm in the intermediate controller, and if the in-car temperature exceeds the high temperature limit, it automatically sends a wake-up message to the BCM, so that the BCM wakes up after identifying the wake-up message sent by the intermediate controller, and automatically starts the air-conditioning system controller hanging down, and then cools the temperature in the car. This application is different from the existing technology in which T-BOX and BCM need to run in real time. Instead, it is dominated by the in-car temperature sensor, and the intermediate controller that still works after power is turned off determines the temperature. Therefore, when the in-car temperature is high after power is turned off, the BCM is awakened and the air-conditioning system controller is automatically started. Since the functions of the intermediate controller are limited and there is no need to hang other controllers down, the power consumption is low, which can save energy. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the specific implementation methods of the present application or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0019] Figure 1 It is a structural schematic diagram of a passenger cabin constant temperature control system provided by an embodiment of the present application; Figure 2 is a structural schematic diagram of another passenger cabin constant temperature control system provided in an embodiment of the present application; Figure 3 is a flow chart of a passenger compartment constant temperature control method provided by an embodiment of the present application; Figure 4 It is a schematic diagram of the structure of the controller provided in the embodiment of the present application. DETAILED DESCRIPTION

[0020] The following is a description of exemplary embodiments of the present application in conjunction with the accompanying drawings, including various details of the embodiments of the present application to facilitate understanding, which should be considered as merely exemplary. Therefore, it should be recognized by those of ordinary skill in the art that various changes and modifications can be made to the embodiments described herein without departing from the scope and spirit of the present application. Similarly, for the sake of clarity and conciseness, the description of well-known functions and structures is omitted in the following description.

[0021] An embodiment of the present application provides a passenger compartment constant temperature control system, which is suitable for cooling the high temperature inside the vehicle after the vehicle is powered off. Figure 1 This is a schematic diagram of the structure of the passenger compartment constant temperature control system provided by the embodiment of the present application, which specifically includes: an in-car temperature controller, an intermediate controller, a body controller (Body Control Module, BCM) and an air conditioning system controller. Each part is described in detail below.

[0022] There is at least one in-car temperature controller, which is distributed in different locations in the car, such as around the front seats, around the rear seats, and at the air outlet. The in-car temperature sensor has its own power supply to ensure that it can still be powered after the vehicle is powered off, and collect the in-car temperature in real time.

[0023] The in-vehicle temperature sensor is connected to the intermediary controller via a wiring harness. The intermediary controller is a controller added in this application. The intermediary controller is powered by a battery after the vehicle is powered off. When the vehicle is powered on, the battery is charged by the vehicle's low-voltage circuit so that there is enough power to provide to the intermediary controller after the vehicle is powered off. The battery can only power the intermediary controller, or can power the intermediary controller, the battery control unit, etc. at the same time, which is not limited in this embodiment.

[0024] The in-car temperature sensor is connected through the interface, and the real-time in-car temperature is collected. Optionally, when there are multiple in-car temperature sensors, the highest temperature can be taken for subsequent processing. The intermediary controller has a built-in temperature comparison algorithm. The algorithm compares the in-car temperature with the high temperature limit in real time. Among them, the high temperature limit is the highest temperature that the car can withstand. For example, if the high temperature limit is exceeded, the interior will accelerate the emission of harmful gases and the interior will accelerate aging. The high temperature limit can be a factory setting or pre-set by the user on the in-car large screen. If the in-car temperature collected by any in-car temperature sensor exceeds the high temperature limit, a wake-up message is sent to the BCM.

[0025] After the vehicle is powered off, the BCM will first enter a low-power state. After a set period of time, the BCM will shut down and only respond to wake-up messages. The intermediary controller accesses the vehicle CAN (Controller Area Network) network, generates a wake-up message of the CAN protocol and sends it to the CAN bus. The wake-up message includes the network segment where the BCM is located. The BCM wakes up and starts after detecting that the wake-up message includes its own network segment.

[0026] After BCM starts, it automatically controls the controllers under it to start. There are many controllers under BCM, for example, the light controller: responsible for controlling various lights of the vehicle, including headlights, fog lights, turn signals, brake lights, width lights, etc. BCM can automatically control the lights on and off according to the driving status of the vehicle, ambient light and other factors, improving the safety and convenience of the vehicle. Window controller: controls the lifting and lowering of the vehicle's windows, including the driver's side window, the co-driver's side window, the rear window, etc. BCM can control the lifting and lowering of the windows through window switches, remote controls, etc., improving the comfort and convenience of the vehicle. Door lock controller: controls the door locks of the vehicle, including door locks and trunk locks. BCM can control the locking or opening of the door locks through key switches, remote controls, etc., improving the safety and convenience of the vehicle. Rearview mirror controller: controls the rearview mirror of the vehicle, including the angle and folding of the rearview mirror. BCM can control the angle and folding of the rearview mirror through rearview mirror switches, remote controls, etc., improving the comfort and convenience of the vehicle.

[0027] This embodiment focuses on starting the air conditioning system controller that is mounted below: controlling the temperature, wind speed, wind direction, etc. of the vehicle air conditioning system. The BCM can automatically adjust the air conditioning system according to the preferences of the passengers and the environmental conditions inside and outside the vehicle to improve the comfort of the vehicle. The air conditioning system controller is used to collect the temperature inside the vehicle from the temperature sensor inside the vehicle and cool the temperature inside the vehicle to reach the target temperature.

[0028] Based on the existing vehicle architecture, this application adds an intermediate controller powered by a battery, and the intermediate controller is connected to the in-vehicle temperature sensor, so that the in-vehicle temperature can still be obtained in real time after the vehicle is powered off; this application also configures a temperature comparison algorithm in the intermediate controller. If the in-vehicle temperature exceeds the high temperature limit, a wake-up message is automatically sent to the BCM, so that the BCM wakes up after recognizing the wake-up message sent by the intermediate controller, and automatically starts the air-conditioning system controller hanging down, thereby cooling the temperature in the vehicle. This application is different from the existing technology in which T-BOX (Telematics BOX, vehicle-mounted communication terminal) and BCM need to run in real time. Instead, it is dominated by the in-vehicle temperature sensor, and the intermediate controller that still works after power is turned off determines the temperature. Therefore, when the in-vehicle temperature is high after power is turned off, the BCM is woken up and the air-conditioning system controller is automatically started. Since the functions of the intermediate controller are limited and other controllers do not need to be hung down, the power consumption is low, which can save energy.

[0029] In the aforementioned embodiments, the intermediary controller can automatically perform constant temperature control when the temperature in the car is high. In some embodiments, the intermediary controller can automatically control the temperature in the car under remote control. The user terminal generally remotely controls the vehicle just before the vehicle is needed, for example, remotely finds the vehicle, remotely unlocks the door, remotely controls the seat heating, etc. through the user's remote terminal. This embodiment integrates the vehicle constant temperature control function with the remote control, and can automatically adjust the temperature in the car while remotely controlling it. There is no need to control the temperature in the car separately, which simplifies user operations, and only performs constant temperature control when the user's actual needs are captured. There is no need for real-time constant temperature control after power off, which reduces air conditioning energy consumption.

[0030] It should be noted that when the temperature inside the car exceeds the temperature limit, the temperature inside the car will be automatically adjusted, regardless of whether there is remote control at the time. When the temperature inside the car does not exceed the temperature limit, the car will be kept at a constant temperature in response to the remote control.

[0031] For details, see Figure 2, the remote terminal (such as the user's mobile phone) is used to respond to the user's operation and pre-set remote control instructions, which include remote vehicle search instructions and remote vehicle control instructions (such as opening windows, unlocking doors, etc.); at the same time, it is set whether the remote control instruction carries a constant temperature control sub-instruction. In the case where the remote control instruction carries a constant temperature control sub-instruction, T-BOX receives the remote control instruction and constant temperature control sub-instruction sent by the remote terminal, and sends a remote authentication request message and a constant temperature control message to the intermediate controller. Among them, the remote authentication request message usually contains some identification fields and metadata, which are used to identify the type of message, sender, receiver and other basic information and remote control instructions, and the message is used to verify the identity and authority of the remote terminal. The constant temperature control message is a data message for communication between the air conditioning system and other components of the vehicle or external systems. This message usually contains information about the internal temperature of the vehicle, the set target temperature, the status of the air conditioning system, and control instructions.

[0032] After receiving the remote authentication request message, the intermediary controller sends the remote authentication request message to the BCM. The BCM is used to perform authentication in response to the remote authentication request message, for example, to verify whether the remote terminal is the vehicle owner's terminal. After successful authentication, a success message (including the status of successful authentication) is sent to the intermediary controller; at the same time, in response to the constant temperature control message, the downstream air conditioning system controller is started. The air conditioning system controller then lowers the temperature in the vehicle to the target temperature. Furthermore, the BCM responds to remote control commands to control vehicle components, such as unlocking doors, opening windows, etc.

[0033] The intermediary controller sends the success message and the real-time in-car temperature (collected from the in-car temperature sensor) to the remote terminal through T-BOX, so that the user at the remote terminal can know that the vehicle has executed the remote control command and that the in-car temperature has gradually dropped to the target temperature under the action of the air conditioner.

[0034] It should be noted that T-BOX interacts with the telematics service provider (TSP) platform in the cloud and the remote terminal. For example, the remote terminal sends remote control commands to T-BOX through the TSP platform, and T-BOX returns a success message and the temperature inside the vehicle to the remote terminal through the TSP platform.

[0035] In some embodiments, although the remote control command is executed, the user may not get on the vehicle until a long time later because the remote terminal may be far away from the vehicle. Therefore, in order to further reduce energy consumption, this embodiment adjusts the cooling strategy of the air conditioner according to the distance between the remote terminal and the vehicle. Specifically, in the process of sending the success message and the real-time in-vehicle temperature to the remote terminal, T-BOX obtains the location of the remote terminal in real time, for example, by requesting the location of the remote terminal (such as GPS positioning information) through the TSP platform. Then, the location of the remote terminal is sent to the intermediary controller. The intermediary controller determines the temperature adjustment strategy based on the location of the remote terminal and the current in-vehicle temperature.

[0036] Optionally, the distance between the remote terminal and the vehicle is determined according to the location of the remote terminal and the location of the vehicle; and a low power consumption adjustment strategy or a fast cooling strategy is determined according to the distance and the current temperature in the vehicle. The intermediary controller sends the temperature adjustment strategy to the air conditioning system controller through the BCM. In response to the low power consumption adjustment strategy, the air conditioning system controller cools the temperature in the vehicle to the target temperature within the first set time; in response to the fast cooling strategy, the air conditioning system controller cools the temperature in the vehicle to the target temperature within the second set time, wherein the first set time is greater than the second set time. In actual application scenarios, if the distance between the remote terminal and the vehicle is far away and exceeds the distance threshold, it is considered that the user will get on the vehicle after a long time, and the temperature in the vehicle can be slowly lowered, for example, the air conditioner is running at a low gear. If the distance between the remote terminal and the vehicle is close and does not exceed the distance threshold, it is considered that the user will get on the vehicle in a short time, and the temperature in the vehicle needs to be quickly lowered, such as running at a high gear, turning on the external circulation and opening the window for ventilation. Which strategy is used to achieve fast / slow cooling needs to be set according to the function of the air conditioner itself. This embodiment is not limited to the gear adjustment, turning on the external circulation and the window.

[0037] In some cases, although the user's remote terminal has issued a remote control command and the temperature in the car has dropped to the target temperature, the user has not yet gotten in the car. In this case, the user can be reminded and the remote air conditioning control logic can be started. Specifically, after the temperature in the car has cooled, the intermediary controller determines that the temperature in the car has reached the target temperature through the temperature sensor in the car; and sends the current temperature in the car to the remote terminal through the T-BOX. The remote terminal displays the current temperature in the car on the screen, thereby reminding the user that the temperature in the car has dropped and needs to get in the car as soon as possible. At the same time, the remote terminal displays the air conditioning control interface, including air volume adjustment buttons, wind speed adjustment buttons, and temperature adjustment buttons. The user can adjust the air conditioning by himself when the temperature in the car is known. For example, if the car is not used for a short time, the air conditioning can be turned off; if the car is used for a short time, the air volume can be adjusted, or the temperature can be further reduced. In response to the user's operation on the air conditioning control interface, the remote terminal sends the air conditioning control command to the air conditioning system controller through the T-BOX, the intermediary controller, and the BCM. Specifically, the remote terminal sends the air conditioning control command to the T-BOX through the TSP platform, the T-BOX sends the air conditioning control command to the intermediate controller, and the intermediate controller sends the air conditioning control command to the air conditioning system controller through the BCM.

[0038] The above embodiment focuses on the temperature regulation in the vehicle. This embodiment is extended to the regulation of the environment in the vehicle, such as the regulation of harmful gases and the regulation of microorganisms in the air.

[0039] Specifically, the in-vehicle environment sensor (such as a microbial sensor, a gas sensor) is connected to the intermediary controller to transmit the in-vehicle environment data to the intermediary controller in real time after the vehicle is powered off; wherein the in-vehicle environment data includes the content of harmful gases and the content of microorganisms. The intermediary controller compares the in-vehicle environment data with the reference data range, and if it exceeds the reference data range, it sends a wake-up message to the BCM. The reference data range can be determined according to the standards of the "Guidelines for Passenger Car Indoor Air Quality Evaluation". The BCM starts in response to the wake-up message and starts the target controller hanging below; the target controller includes a window controller, a disinfection controller, and an air conditioning system controller. The target controller improves the in-vehicle environment data so that the in-vehicle environment data falls within the reference data range. For example, after detecting that the formaldehyde in the car exceeds 0.1 mg / m³, open the window to promote air circulation, or turn on the air conditioning external circulation to reduce the formaldehyde concentration.

[0040] Figure 3 This is a flow chart of a passenger compartment constant temperature control method provided in an embodiment of the present application, which is applicable to the scenario of cooling the high temperature inside the vehicle after the vehicle is powered off. The method provided in this embodiment is executed by an intermediate controller, and includes the following operations: S110: After the vehicle is powered off, collect the temperature inside the vehicle in real time.

[0041] S120, comparing the temperature inside the vehicle with the high temperature limit in real time. If the temperature exceeds the high temperature limit, sending a wake-up message to the body controller BCM to start the air conditioning system controller through the BCM and perform constant temperature control on the passenger compartment.

[0042] After the vehicle is powered off, the intermediate controller is powered by the battery.

[0043] Optionally, after receiving the remote authentication request message, the intermediary controller sends the remote authentication request message to the BCM to start the downstream air-conditioning system controller through the BCM; the intermediary controller sends the success message and real-time in-vehicle temperature obtained from the BCM to the remote terminal through the on-board communication terminal T-BOX.

[0044] Optionally, after receiving the location of the remote terminal sent by T-BOX, the intermediate controller determines a temperature adjustment strategy based on the location of the remote terminal and the current temperature in the vehicle; and sends the temperature adjustment strategy to the air-conditioning system controller through the BCM.

[0045] Optionally, when determining the temperature adjustment strategy based on the location of the remote terminal and the current temperature inside the vehicle, the intermediary controller determines the distance between the remote terminal and the vehicle based on the location of the remote terminal and the location of the vehicle; and determines a low power consumption adjustment strategy or a rapid cooling strategy based on the distance and the current temperature inside the vehicle.

[0046] Optionally, after the temperature inside the vehicle is cooled, the intermediate controller determines through the temperature sensor inside the vehicle that the temperature inside the vehicle reaches the target temperature; and sends the current temperature inside the vehicle to the remote terminal through the T-BOX.

[0047] Optionally, the intermediary controller is also used to collect in-vehicle environmental data in real time after the vehicle is powered off; wherein the in-vehicle environmental data includes harmful gas content and microbial content. The in-vehicle environmental data is compared with the reference data range, and if it exceeds the reference data range, a wake-up message is sent to the BCM to start the target controller through the BCM to improve the in-vehicle environmental data.

[0048] The present application also provides a controller, namely the "mediator controller" in the above embodiment, see Figure 4 , includes at least one processor 301 and a memory 302 that is communicatively connected to the at least one processor 301.

[0049] The memory 302 stores instructions that can be executed by at least one of the processors 301. The instructions are executed by at least one of the processors 301 so that at least one of the processors 301 can execute the above-mentioned passenger compartment constant temperature control method, thereby having at least the same advantages as the above-mentioned method.

[0050] Optionally, the controller also includes interfaces for connecting various components, including high-speed interfaces and low-speed interfaces. The various components are connected to each other using different buses and can be installed on a common mainboard or installed in other ways as needed. The processor can process instructions executed in the controller, including instructions stored in or on a memory to display graphical information of a GUI (Graphical User Interface) on an external input / output device (such as a display device coupled to an interface). In other embodiments, if necessary, multiple processors can be used together with multiple memories, and / or multiple buses can be used together with multiple memories. Similarly, multiple electronic devices can be connected (for example, as a server array, a group of blade servers, or a multi-processor system), and each device provides some necessary operations.

[0051] The memory 302 is a computer-readable storage medium that can be used to store software programs, computer executable programs and modules, such as program instructions / modules corresponding to the constant temperature control method for the passenger compartment in the embodiment of the present application. The processor 301 executes various functional applications and data processing of the device by running the software programs, instructions and modules stored in the memory 301, that is, realizing the above-mentioned constant temperature control method for the passenger compartment.

[0052] The memory 301 may mainly include a program storage area and a data storage area, wherein the program storage area may store an operating system and at least one application required for a function; the data storage area may store data created according to the use of the terminal, etc. In addition, the memory 302 may include a high-speed random access memory, and may also include a non-volatile memory, such as at least one disk storage device, a flash memory device, or other non-volatile solid-state storage device. In some instances, the memory 302 may further include a memory remotely arranged relative to the processor, and these remote memories may be connected to the device via a network. Examples of the above-mentioned network include, but are not limited to, the Internet, an intranet, a local area network, a mobile communication network, and combinations thereof.

[0053] The controller may further include: an input device 303 and an output device 304. The processor 301, the memory 301, the input device 303 and the output device 304 may be connected via a bus or other means.

[0054] The input device 303 can receive input digital or character information, and the output device 304 can include a display device, an auxiliary lighting device (e.g., LED), and a tactile feedback device (e.g., a vibration motor), etc. The display device can include, but is not limited to, a liquid crystal display (LCD), a light emitting diode (LED) display, and a plasma display. In some embodiments, the display device can be a touch screen.

[0055] It should be understood that the various forms of processes shown above can be used to reorder, add or delete steps. For example, the steps recorded in this application can be executed in parallel, sequentially or in different orders, as long as the expected results of the technical solution disclosed in this application can be achieved, and this document is not limited here.

[0056] The above specific implementations do not constitute a limitation on the protection scope of this application. It should be understood by those skilled in the art that various modifications, combinations, sub-combinations and substitutions can be made according to design requirements and other factors. Any modifications, equivalent substitutions and improvements made within the spirit and principles of this application should be included in the protection scope of this application.

Claims

1. A constant temperature control system for a passenger compartment, characterized in that: include: The in-vehicle temperature sensor is connected to the intermediate controller and is used to transmit the in-vehicle temperature to the intermediate controller in real time after the vehicle is powered off; The intermediate controller is used to compare the temperature inside the vehicle with the high temperature limit in real time, and if the temperature exceeds the high temperature limit, a wake-up message is sent to the body controller BCM; The BCM starts up in response to the wake-up message and starts up the air conditioning system controller connected thereto; The air conditioning system controller is used to collect the temperature inside the vehicle from the temperature sensor inside the vehicle and cool the temperature inside the vehicle; Wherein, after the vehicle is powered off, the intermediate controller is powered by a battery.

2. The system according to claim 1, characterized in that The intermediary controller is further configured to send the remote authentication request message to the BCM after receiving the remote authentication request message; The BCM is used to perform authentication in response to the remote authentication request message, and after successful authentication, send a success message to the intermediate controller; Start the air conditioning system controller below; The intermediary controller is used to send the success message and the real-time in-vehicle temperature to the remote terminal via the vehicle-mounted communication terminal T-BOX.

3. The system according to claim 2, characterized in that The remote terminal is used to pre-set remote control instructions, which include remote vehicle search instructions and remote vehicle control instructions; and to set whether the remote control instructions carry a constant temperature control sub-instruction; The T-BOX is used to receive the remote control command and the constant temperature control sub-command sent by the remote terminal, and send a remote authentication request message and a constant temperature control message to the intermediate controller; The BCM is used to start the downstream air conditioning system controller in response to the constant temperature control message.

4. The system according to claim 3, characterized in that The T-BOX is used to obtain the position of the remote terminal in real time during the process of sending the success message and the real-time in-vehicle temperature to the remote terminal, and send the position of the remote terminal to the intermediate controller; The intermediate controller is used to determine a temperature adjustment strategy according to the location of the remote terminal and the current temperature in the vehicle; and send the temperature adjustment strategy to the air conditioning system controller through the BCM.

5. The system according to claim 4, characterized in that When the intermediate controller determines the temperature adjustment strategy according to the location of the remote terminal and the current temperature in the vehicle, it is specifically used to: Determining the distance between the remote terminal and the vehicle according to the position of the remote terminal and the position of the vehicle; Determine a low power consumption adjustment strategy or a rapid cooling strategy according to the distance and the current temperature inside the vehicle; The air conditioning system controller cools the temperature inside the vehicle to a target temperature in response to the low power consumption adjustment strategy in a first set time period; In response to the rapid cooling strategy, the air conditioning system controller cools the temperature inside the vehicle to a target temperature within a second set time period, wherein the first set time period is greater than the second set time period.

6. The system according to claim 5, characterized in that The intermediate controller is used to determine that the temperature inside the vehicle reaches the target temperature through the temperature sensor inside the vehicle after the temperature inside the vehicle has been cooled; and to send the current temperature inside the vehicle to the remote terminal through the T-BOX; The remote terminal is used to display the current temperature inside the vehicle on the screen and display the air conditioning control interface; In response to the user's operation on the air conditioning control interface, the air conditioning control command is sent to the air conditioning system controller through the T-BOX, the intermediate controller, and the BCM.

7. The system according to claim 1, characterized in that Also includes: An in-vehicle environment sensor connected to the intermediate controller and used to transmit in-vehicle environment data to the intermediate controller in real time after the vehicle is powered off; wherein the in-vehicle environment data includes harmful gas content and microbial content; The intermediary controller is used to compare the in-vehicle environment data with the reference data range, and if it exceeds the reference data range, send a wake-up message to the BCM; The BCM is used to start up in response to the wake-up message and start the target controllers hanging down; the target controllers include a window controller, a disinfection controller and an air conditioning system controller; The target controller is used to improve the in-vehicle environment data so that the in-vehicle environment data falls within the reference data range.

8. A constant temperature control method for a passenger compartment, characterized in that: include: After the vehicle is powered off, the temperature inside the vehicle is collected in real time; Compare the temperature inside the vehicle with the high temperature limit in real time. If the temperature exceeds the high temperature limit, send a wake-up message to the body controller BCM to start the air conditioning system controller through the BCM and perform constant temperature control on the passenger compartment; After the vehicle is powered off, the intermediate controller is powered by a battery.

9. The method according to claim 8, characterized in that Also includes: After receiving the remote authentication request message, the remote authentication request message is sent to the BCM to start the air conditioning system controller connected to the BCM; The success message and the real-time in-vehicle temperature obtained from the BCM are sent to the remote terminal via the vehicle communication terminal T-BOX.

10. A controller, characterized in that: include: at least one processor, and a memory communicatively coupled to at least one of the processors; Wherein, the memory stores instructions that can be executed by at least one of the processors, and the instructions are executed by at least one of the processors so that at least one of the processors can execute the passenger compartment constant temperature control method described in claim 8 or 9.

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