CN114714855A - Air conditioner internal circulation starting method, control device, equipment and storage medium - Google Patents
Air conditioner internal circulation starting method, control device, equipment and storage medium Download PDFInfo
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- CN114714855A CN114714855A CN202210359538.6A CN202210359538A CN114714855A CN 114714855 A CN114714855 A CN 114714855A CN 202210359538 A CN202210359538 A CN 202210359538A CN 114714855 A CN114714855 A CN 114714855A
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- 238000000034 method Methods 0.000 title claims abstract description 53
- 238000001514 detection method Methods 0.000 claims abstract description 64
- 238000004378 air conditioning Methods 0.000 claims abstract description 54
- 238000012545 processing Methods 0.000 claims description 17
- 238000004887 air purification Methods 0.000 claims description 10
- 238000010257 thawing Methods 0.000 claims description 8
- 230000000977 initiatory effect Effects 0.000 claims description 5
- 206010063385 Intellectualisation Diseases 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 7
- 230000006870 function Effects 0.000 description 6
- 238000013136 deep learning model Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 238000007791 dehumidification Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000012549 training Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00642—Control systems or circuits; Control members or indication devices for heating, cooling or ventilating devices
- B60H1/00735—Control systems or circuits characterised by their input, i.e. by the detection, measurement or calculation of particular conditions, e.g. signal treatment, dynamic models
- B60H1/00764—Control systems or circuits characterised by their input, i.e. by the detection, measurement or calculation of particular conditions, e.g. signal treatment, dynamic models the input being a vehicle driving condition, e.g. speed
- B60H1/00771—Control systems or circuits characterised by their input, i.e. by the detection, measurement or calculation of particular conditions, e.g. signal treatment, dynamic models the input being a vehicle driving condition, e.g. speed the input being a vehicle position or surrounding, e.g. GPS-based position or tunnel
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00642—Control systems or circuits; Control members or indication devices for heating, cooling or ventilating devices
- B60H1/00735—Control systems or circuits characterised by their input, i.e. by the detection, measurement or calculation of particular conditions, e.g. signal treatment, dynamic models
- B60H1/008—Control systems or circuits characterised by their input, i.e. by the detection, measurement or calculation of particular conditions, e.g. signal treatment, dynamic models the input being air quality
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00642—Control systems or circuits; Control members or indication devices for heating, cooling or ventilating devices
- B60H1/00814—Control systems or circuits characterised by their output, for controlling particular components of the heating, cooling or ventilating installation
- B60H1/00821—Control systems or circuits characterised by their output, for controlling particular components of the heating, cooling or ventilating installation the components being ventilating, air admitting or air distributing devices
- B60H1/00835—Damper doors, e.g. position control
- B60H1/00849—Damper doors, e.g. position control for selectively commanding the induction of outside or inside air
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Air-Conditioning For Vehicles (AREA)
Abstract
The application relates to an air conditioner internal circulation starting method, a control device, equipment and a storage medium. The air conditioner internal circulation starting method comprises the following steps: detecting an automobile about to enter a target tunnel; starting tunnel environment detection to obtain a target length and an air mass fraction outside the automobile, wherein the target length comprises the remaining distance length of the automobile from exiting the target tunnel; and determining whether the automobile air-conditioning system meets the automatic control condition or not according to the target length and the air mass fraction, and starting the internal circulation of the air conditioner if the automobile air-conditioning system meets the automatic control condition. By adopting the method, when the automobile runs into the target tunnel, whether the internal circulation of the air conditioner needs to be started or not can be determined according to the length and the air quality fraction of the target tunnel, and the intellectualization of the adjustment of the air conditioning mode can be realized.
Description
Technical Field
The application relates to the technical field of automatic control of automobiles, in particular to an air conditioner internal circulation starting method, a control device, equipment and a storage medium.
Background
The automobile air conditioning system can refrigerate, heat, ventilate and purify the air in the automobile. It provides a comfortable riding environment for the passengers. The mode of the air conditioning system of the automobile can be classified into an air conditioning external circulation and an air conditioning internal circulation according to whether air inside and outside the automobile circulates or not.
When the automobile runs to an environment with serious environmental pollution, the internal circulation of the air conditioner can be started to prevent air outside the automobile from being sucked into the automobile, so that outside dirty air is blocked.
At present, when an automobile enters a tunnel or other road sections with poor environmental air quality, a driver is often required to actively adjust an automobile air conditioning system to an air conditioning internal circulation mode. However, when a person generates a demand that needs to be adjusted, the air quality in the vehicle is often already affected. Therefore, the mode of manually and actively adjusting the air conditioning mode of the automobile is not timely enough, and a more efficient air conditioning internal circulation starting method is also lacked.
Disclosure of Invention
Based on the above, the application provides an air conditioner internal circulation starting method, a control device, equipment and a storage medium, and solves the problem that in the prior art, the mode of an automobile air conditioner is not timely adjusted.
In a first aspect, the present application provides a method for starting an internal circulation of an air conditioner, the method including: detecting an automobile about to enter a target tunnel; starting tunnel environment detection to obtain a target length and an air mass fraction outside the automobile, wherein the target length comprises the remaining distance length of the automobile leaving the target tunnel; and determining whether the automobile air-conditioning system meets automatic control conditions or not according to the target length and the air mass fraction, and starting air-conditioning internal circulation if the automobile air-conditioning system meets the automatic control conditions.
With reference to the first aspect, in a first implementation manner of the first aspect, the determining whether the vehicle air conditioning system satisfies an automatic control condition according to the target length and the air mass fraction includes: acquiring automatic control historical data of the automobile, wherein the automatic control historical data is used for recording historical data of internal circulation of an air conditioner automatically started by the automobile, and the historical data comprises historical target length and historical air quality fraction; and determining whether the target length and the air mass fraction are matched with the automatic control historical data, and if so, determining that the automobile meets the automatic control condition.
With reference to the first aspect, in a second implementation manner of the first aspect, the initiating tunnel environment detection includes: detecting the tunnel environment according to a preset high detection frequency; and if the air quality fraction is higher than a starting threshold value, executing the step of determining whether the automobile air-conditioning system meets the automatic control condition according to the target length and the air quality fraction.
With reference to the second implementation manner of the first aspect, in a third implementation manner of the first aspect, after the starting of the air-conditioning internal circulation, the method further includes: detecting the tunnel environment according to a preset low detection frequency; and if the air quality fraction is lower than a starting threshold value, closing the air conditioner internal circulation, and executing the step of detecting the tunnel environment according to the preset high detection frequency until the automobile is driven out of the target tunnel.
With reference to the first aspect, in a fourth implementation manner of the first aspect, the detecting of the automobile about to enter the target tunnel includes: acquiring positioning information of an automobile, wherein the positioning information comprises landmark information and length information; and judging whether the automobile is about to drive into the tunnel according to the landmark information, if so, judging whether the length of the tunnel is greater than a length threshold value according to the length information, if so, taking the tunnel as a target tunnel, and determining that the automobile is about to drive into the target tunnel.
With reference to the first aspect, in a fifth implementation manner of the first aspect, after the starting of the air conditioner internal circulation, the method further includes: recording the starting time length of the internal circulation of the air conditioner; and if the starting time is longer than a time threshold, performing air purification until the automobile closes the internal circulation of the air conditioner.
With reference to the first aspect, in a sixth implementation manner of the first aspect, after the starting of the air-conditioning internal circulation, the method further includes: detecting a first temperature outside the vehicle and a second temperature inside the vehicle; and determining whether the difference value of the internal temperature and the external temperature of the automobile is greater than a temperature threshold value or not according to the first temperature and the second temperature, and if so, starting a defrosting mode and/or a dehumidifying mode.
In a second aspect, the present application also provides a control device, the device comprising: the first detection unit is used for detecting an automobile about to enter the target tunnel; the second detection unit is used for starting tunnel environment detection to obtain a target length and an air mass fraction outside the automobile, wherein the target length comprises the length of a remaining distance of the automobile from exiting the target tunnel; the analysis unit is used for determining whether the automobile air conditioning system meets automatic control conditions or not according to the target length and the air quality fraction; and the processing unit is used for starting the internal circulation of the air conditioner when the automobile air conditioning system meets the automatic control condition.
In a third aspect, the present application further provides a control apparatus, the apparatus comprising: a processor and a memory, the processor and the memory being connected by a bus; the processor to execute a plurality of instructions; the storage medium is used for storing the plurality of instructions, and the instructions are suitable for being loaded by the processor and executing the air conditioner internal circulation starting method according to the first aspect or any one of the implementation manners of the first aspect.
In a fourth aspect, the present application further provides a computer-readable storage medium, where a plurality of instructions are stored, where the instructions are adapted to be loaded by a processor and to execute the method for starting the internal circulation of the air conditioner according to the first aspect or any one of the embodiments of the first aspect.
In summary, when detecting that the vehicle is about to enter the tunnel, the control device in the embodiment of the present application first starts tunnel environment detection to detect whether there is a long enough distance between the current distance and the exit tunnel, and whether the current air quality is poor. And then comprehensively considering the residual path length of the tunnel and the condition of the air mass fraction, and determining whether the internal circulation of the air conditioner needs to be started. Therefore, the length of the tunnel is taken into consideration, the air mass fraction of the tunnel is also taken into consideration, and therefore efficiency and accuracy of automatically starting internal circulation of the air conditioner are improved.
Drawings
FIG. 1 is a diagram illustrating an exemplary embodiment of an application environment of an air conditioner internal circulation starting method;
FIG. 2 is a schematic flow chart illustrating a method for starting an internal circulation of an air conditioner according to an embodiment;
FIG. 3 is a flowchart illustrating steps for initiating tunnel environment detection in one embodiment;
FIG. 4 is a schematic block diagram of a control apparatus provided herein;
fig. 5 is a structural block diagram of a control device provided in the present application.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
It should be noted that the drawings provided in the present embodiment are only for illustrating the basic idea of the present invention, and the components related to the present invention are only shown in the drawings rather than drawn according to the number, shape and size of the components in actual implementation, and the type, quantity and proportion of the components in actual implementation may be changed freely, and the layout of the components may be more complicated. The structures, proportions, sizes, and other dimensions shown in the drawings and described in the specification are for understanding and reading the present disclosure, and are not intended to limit the scope of the present disclosure, which is defined in the claims, and are not essential to the art, and any structural modifications, changes in proportions, or adjustments in size, which do not affect the efficacy and attainment of the same are intended to fall within the scope of the present disclosure. In addition, the terms "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for clarity of description, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the terms is not to be construed as a scope of the present invention.
The application provides an air conditioner internal circulation starting method, and the air conditioner internal circulation starting method can be implemented to realize the autonomous starting of the air conditioner internal circulation. Next, the present application will describe in detail the implementation process of the air conditioner internal circulation starting method.
At present, when an automobile enters a tunnel or other road sections with poor environmental air quality, a driver is often required to actively adjust an automobile air conditioning system to an air conditioning internal circulation mode. However, when a person generates a demand that needs to be adjusted, the air quality in the vehicle is often already affected. Therefore, the mode of manually and actively adjusting the air conditioning mode of the automobile is not timely enough.
In order to solve the problems, the application provides an air conditioner internal circulation starting method, when an automobile about to enter a target tunnel is detected, a control device of the automobile firstly starts tunnel environment detection to monitor and obtain the target length of the target tunnel and the air quality fraction outside the automobile in real time, wherein the target length comprises the remaining distance length of the automobile from exiting the target tunnel; and then determining whether the automobile air-conditioning system meets the automatic control condition or not according to the target length and the air mass fraction, and if so, starting the internal circulation of the air conditioner.
In this embodiment, the Control device may adopt a single chip, and various Control functions may be implemented by programming the single chip, for example, in this embodiment, the functions of collecting, Processing, and demodulating a tunnel environment detection Signal and a level Signal are implemented, and the processor has the advantages of strong computing power and fast Processing.
Therefore, the control device determines whether to start the internal circulation of the air conditioner in the driving process of the automobile by monitoring the remaining path length and the air mass fraction of the tunnel in real time. Therefore, by applying the method, whether the internal circulation of the air conditioner is automatically started or not is automatically determined according to the environment condition of the tunnel in the process that the automobile can run, and manual operation is not needed.
In addition, based on the above description, the method described in the present application has at least two significant advantages:
firstly, the tunnel environment detection is accurate: compared with the method for detecting only one single index in the length information and the tunnel air quality, the method for detecting the air conditioner air quality is capable of detecting the two indexes simultaneously and detecting the tunnel according to the two indexes, so that the detection result is more accurate, and especially when the automobile runs in the long tunnel with poor air quality, the air conditioner internal circulation can be started more timely. In addition, when the tunnel of good long tunnel of air quality and air quality relatively poor, also can open the air conditioner inner loop, this application has compensatied and has only appeared when good according to single index, can not in time open the problem of air conditioner inner loop.
Secondly, monitoring the tunnel environment in real time: the target length detected by the control device in the application refers to the remaining distance length of the automobile from exiting the tunnel. Therefore, after the automobile enters the tunnel, the target length of the tunnel is continuously reduced along with the advance of the automobile. In order to determine the time point of starting the internal circulation of the air conditioner in the tunnel, the target length of the tunnel and the air quality fraction outside the automobile are continuously monitored and updated from the moment when the automobile is detected to enter the tunnel until the automobile air conditioning system is determined to meet the automatic control condition or exit the tunnel.
Specifically, the application environment diagram shown in fig. 1 is taken as an example, a control device on an automobile is taken as an execution main body of the method of the present application, and a detailed description is given to an implementation process of the air conditioner internal circulation starting method provided by the present application. The control device may be integrated in the vehicle, or may be integrated in other devices that can communicate with the vehicle, or may be a separate device, which is not limited herein. In the following, the method of the present application will be described by taking the control device integrated in an automobile as an example.
The vehicle in the application environment diagram shown in fig. 1 includes a navigation device and a control device, the navigation device can locate the position of the vehicle through a satellite, and the control device determines whether the vehicle is about to enter the tunnel according to the position of the vehicle located by the navigation device. Specifically, the navigation device obtains positioning information of the automobile by positioning and sends the positioning information to the control device, wherein the positioning information comprises landmark information and length information. After the control device acquires the positioning information of the automobile, whether a position N meters ahead of the automobile indicated by the landmark information is a tunnel or not is determined, if yes, whether the automobile is about to enter the tunnel or not is determined, for example, a data part of the landmark information corresponding to the 'the position N meters ahead of the automobile is the tunnel' is 1, a data part of the landmark information corresponding to the 'no tunnel at the position N meters ahead of the automobile' is 0, and when the control device receives the landmark information of which the data part is 1, the control device determines that the automobile about to enter the tunnel is detected; if the advancing direction of the automobile is determined to be the tunnel, whether the length of the tunnel indicated by the length information is larger than a length threshold value or not is determined, if yes, the automobile is determined to be about to enter the target tunnel, for example, the length value of the tunnel is determined as the data part of the length information corresponding to the tunnel, and when the data part of the length information received by the control device is larger than the length threshold value, the automobile about to enter the target tunnel is determined to be detected. The navigation device includes a Global Positioning System (GPS), and N is a positive number that is a numerical value not less than zero.
After the control device detects that the automobile is about to enter the target tunnel, tunnel environment detection is started, the target length of the tunnel is detected through the distance sensor, and the air quality fraction outside the automobile is detected through the air detector, wherein the target length comprises the remaining distance length of the automobile from the target tunnel. It should be noted that at least one tunnel environment detection is performed after the tunnel environment detection is started, the target length obtained by each detection is different, and the air quality fraction may be different. The target length is shortened along with the running of the automobile in the target tunnel, and the air quality scores reflect the air quality of different positions of the tunnel.
Generally, the air quality in the middle of the tunnel is better than the air quality at the two ends of the tunnel. Along with the automobile running from the tunnel entrance to the tunnel middle section and then from the tunnel middle section to the tunnel exit, the air mass fraction is normally distributed, and the dense and inseparable relation exists between the tunnel length and the air mass. Therefore, it can be understood that the starting point of the middle section with poor air quality of the tunnel is determined by starting tunnel environment detection during driving.
After tunnel data (tunnel data, namely the target length and the air quality fraction of the target tunnel) of the target tunnel is determined, the tunnel data and the automatic control historical data are matched, if the matching is successful, the automobile air conditioning system is determined to meet the automatic control condition, and the air conditioning internal circulation is started. And if the matching fails, determining that the automobile air conditioning system does not meet the automatic control condition, and continuously detecting the tunnel environment. Specifically, automatic control historical data of an automobile are obtained firstly, wherein the automatic control historical data are used for recording historical data of the automobile for automatically starting internal circulation of an air conditioner, and the historical data comprise historical target length and historical air quality fraction; and then, determining whether the tunnel data is matched with the automatic control historical data or not through depth model processing or direct comparison, if so, determining that the automobile meets the automatic control condition, and starting the internal circulation of the air conditioner.
Optionally, after the internal circulation of the air conditioner is started, to further optimize the environment in the vehicle, after the start duration of the internal circulation of the air conditioner is greater than a time threshold, air purification may be started, and air purification may continue until the vehicle shuts off the internal circulation of the air conditioner.
Optionally, after the internal circulation of the air conditioner is started, in order to further optimize the environment inside the vehicle, the defrosting mode and/or the dehumidifying mode may be started when the difference between the internal temperature and the external temperature of the vehicle is large. Specifically, the control device detects a first temperature outside the automobile and a second temperature inside the automobile, determines whether an internal and external temperature difference value of the automobile is greater than a temperature threshold value according to the first temperature and the second temperature, and starts a defrosting mode and/or a dehumidifying mode through the heater if the internal and external temperature difference value is greater than the temperature threshold value.
In summary, when detecting that the vehicle is about to enter the tunnel, the control device in the embodiment of the present application first starts tunnel environment detection to detect whether there is a long enough distance between the current distance and the exit tunnel, and whether the current air quality is poor. And then comprehensively considering the residual path length and the air mass fraction of the tunnel, and determining whether the internal circulation of the air conditioner needs to be started. It can be seen that the embodiment of the application not only considers the length of the tunnel, but also considers the air mass fraction of the tunnel. The method and the device have the advantages that the two factors are comprehensively considered, and the efficiency and the accuracy of automatically opening the internal circulation of the air conditioner are improved.
The present application further provides a method for starting an internal circulation of an air conditioner, which will be described in detail with reference to the flow diagram shown in fig. 2. Specifically, the method comprises the following steps:
201: detecting an automobile about to enter a target tunnel;
in the embodiment of the application, the control device determines whether the automobile is about to enter the tunnel according to the position of the automobile positioned by the navigation device.
Optionally, the control device obtains positioning information of the automobile, wherein the positioning information includes landmark information and length information; and judging whether the automobile is about to drive into the tunnel according to the landmark information, if so, judging whether the length of the tunnel is greater than a length threshold value according to the length information, if so, taking the tunnel as a target tunnel, and determining that the automobile is about to drive into the target tunnel.
Illustratively, when the control device detects that the automobile is 500 meters away from the front tunnel through the positioning device and the total length of the tunnel exceeds 1000 meters, the control device determines that the automobile about to enter the target tunnel is detected.
202: and starting tunnel environment detection to obtain the target length and the air mass fraction outside the automobile.
In the embodiment of the application, the control device measures the target length of the tunnel through the distance sensor and measures the air mass fraction outside the automobile through the air detector. The target length comprises the remaining distance length of the automobile from the target tunnel.
203: and determining whether the automobile air-conditioning system meets the automatic control condition or not according to the target length and the air quality fraction of the target tunnel, and if so, starting the internal circulation of the air conditioner.
In the embodiment of the application, if the automobile has a long time to exit the tunnel and the current air quality score is not good, the automobile air conditioning system is determined to meet the automatic control condition, and the air conditioning internal circulation is started. Specifically, the control device may compare the target length and the air quality fraction with a threshold corresponding to the target length and a threshold corresponding to the air quality fraction, respectively, and when the target length is greater than the threshold corresponding to the target length and the air quality fraction is greater than the threshold corresponding to the air quality fraction, determine that the vehicle air conditioning system satisfies the automatic control condition, and start the air conditioning internal circulation.
Optionally, the control device obtains automatic control historical data of the automobile, wherein the automatic control historical data is used for recording historical data of the automobile for automatically starting internal circulation of the air conditioner, and the historical data comprises historical target length and historical air quality fraction; and determining whether the target length and the air quality fraction are matched with the automatic control historical data, and if so, determining that the automobile meets the automatic control condition. The control device can process or directly compare through the depth model so as to determine whether the tunnel data is matched with the automatic control historical data, if so, the automobile meets the automatic control condition, and the internal circulation of the air conditioner is started.
The deep model processing means that the target length and the air quality fraction are input into a deep learning model to obtain an instruction whether to start the internal circulation of the air conditioner, wherein the deep learning model is obtained by utilizing automatic control historical data for training.
The direct processing refers to comparing the target length and the air quality fraction with the historical target length and the historical air quality fraction respectively to obtain an error score, and if the error score is smaller than an error threshold, starting the internal circulation of the air conditioner.
For illustrative purposes, assume that the target length and air mass fraction of the target tunnel are A1 and A2, respectively, and the historical target length and historical air mass fraction of the target tunnel are B1 and B2, respectively. Among them, B1 and B2 are data with the smallest error with between a1 and a2 among the multiple sets of data in the automatic control history data. If the first error score between A1 and B1 is less than the first error threshold and the second error score between A2 and B2 is less than the second error threshold, it is determined that the tunnel data matches the automatic control history data, i.e., the vehicle satisfies the automatic control condition.
Alternatively, after the air conditioner internal cycle is started, the control device may determine whether to start air purification according to a start time period of the air conditioner internal cycle. Specifically, the control device records the starting time of the internal circulation of the air conditioner; and if the starting time is longer than the time threshold, performing air purification until the internal circulation of the air conditioner is closed by the automobile.
Illustratively, the control device records a starting time T after the air conditioner internal circulation is started, starts the air purification device after T is more than 5 minutes, and keeps the air purification device in the running state until the automobile shuts off the air conditioner internal circulation.
Alternatively, the control means may determine whether to turn on the defrosting mode and/or the dehumidifying mode according to a temperature difference between the inside and the outside of the vehicle after the air conditioner internal cycle is started. Specifically, a first temperature outside the automobile and a second temperature inside the automobile are detected; and determining whether the difference value of the internal temperature and the external temperature of the automobile is greater than a temperature threshold value or not according to the first temperature and the second temperature, and if so, starting a defrosting mode and/or a dehumidifying mode.
Illustratively, if the first and second temperatures are temp1 and temp2, respectively, and if the difference between temp1 and temp2 is greater than 5 degrees celsius, the defrost mode and/or the dehumidification mode are turned on.
In conclusion, the embodiment of the application not only considers the length of the tunnel, but also considers the air mass fraction of the tunnel, so that the efficiency and the accuracy of automatically starting the internal circulation of the air conditioner are improved.
In order to better understand the embodiment of the present application, the following will describe in further detail an implementation process of the step of initiating tunnel environment detection in the present application with reference to the flowchart shown in fig. 3. As shown in FIG. 3, the step of initiating tunnel environment detection includes portions 301-304, wherein:
301. and under the condition that the automobile about to enter the target tunnel is detected, detecting the tunnel environment according to a preset high detection frequency.
In the embodiment of the application, under the condition that the automobile about to enter the target tunnel is detected, the control device detects the tunnel environment according to the preset high detection frequency until the automobile starts the internal circulation of the air conditioner or exits the target tunnel.
302. And if the air quality fraction is higher than the starting threshold, determining whether the automobile air-conditioning system meets the automatic control condition or not according to the target length and the air quality fraction, and if so, starting the internal circulation of the air conditioner.
In the embodiment of the application, during the detection of the high-speed detection tunnel environment, if the air quality fraction is higher than the starting threshold of the air conditioner internal circulation, the step of determining whether the automobile air conditioner system meets the automatic control condition according to the target length and the air quality fraction is executed, and if so, the step of starting the air conditioner internal circulation is executed. The specific process of determining whether the vehicle air conditioning system meets the automatic control condition can refer to the foregoing content, and the details are not repeated in this application.
303. And after starting the internal circulation of the air conditioner, detecting the tunnel environment according to a preset low detection frequency.
304. If the air mass fraction is lower than the starting threshold value, the internal circulation of the air conditioner is closed, and the step 301 is executed until the automobile exits the target tunnel.
In the embodiment of the application, if the mass fraction of air is detected to be lower than the starting threshold value according to the low detection frequency in the process that the vehicle keeps the internal circulation of the air conditioner, the internal circulation of the air conditioner is closed, and the step 301 is executed until the vehicle exits from the target tunnel.
Illustratively, after detecting that the automobile is about to enter the tunnel, the control device detects the environment of the target tunnel according to a preset high detection frequency (for example, once every 5 seconds), if the air quality fraction is higher than a starting threshold value, determines whether the automobile air conditioning system meets an automatic control condition according to the target length and the air quality fraction, and if so, starts an air conditioning internal circulation. After the internal circulation of the air conditioner is started, the internal circulation of the air conditioner is maintained, the environment of the target tunnel is detected according to a preset low detection frequency (for example, once every 10 seconds), if the air quality fraction is lower than a starting threshold value, the internal circulation of the air conditioner is closed, the environment of the target tunnel is detected again according to a high detection frequency until the automobile exits the tunnel, or when the air quality fraction is detected to be higher than the starting threshold value, the automatic control condition and the subsequent processes of determining whether the automobile air conditioning system meets the automatic control condition or not are executed again.
In conclusion, the tunnel environment detection process is divided into two stages. In the first stage, under the condition that the automobile is in a non-air-conditioning internal circulation state, the control device detects the environment of a target tunnel according to high detection frequency so as to accelerate the detection frequency, so that the control device can determine whether an automobile air-conditioning system meets automatic control conditions more quickly, and the efficiency of controlling the air-conditioning internal circulation to be started automatically by the control device is improved; and in the second stage, under the condition that the automobile is in the air conditioner internal circulation, the control device detects the environment of the target tunnel according to the low detection frequency so as to reduce the detection frequency, save power consumption and prevent the air conditioner internal circulation from being repeatedly restarted or closed, so that the control device controls the automobile air conditioning system in a more stable mode, and the efficiency of controlling the air conditioner internal circulation to be automatically started by the control device is improved.
It should be understood that, although the steps in the flow charts of fig. 2 and 3 are shown in sequence as indicated by the arrows, the steps are not necessarily performed in sequence as indicated by the arrows. The steps are not performed in the exact order shown and described, and may be performed in other orders, unless explicitly stated otherwise. Moreover, at least some of the steps in fig. 2 and 3 may include multiple sub-steps or multiple stages that are not necessarily performed at the same time, but may be performed at different times, and the order of performing the sub-steps or stages is not necessarily sequential, but may be performed alternately or alternately with other steps or at least some of the sub-steps or stages of other steps.
Referring to fig. 4, the embodiment of the present invention may perform functional unit division on the device according to the above method example, for example, each functional unit may be divided corresponding to each function, or two or more functions may be integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit. It should be noted that the division of the unit in the embodiment of the present invention is schematic, and is only a logic function division, and there may be another division manner in actual implementation.
The invention also provides a control device. The control device comprises a first detection unit 410, a second detection unit 420, an analysis unit 430 and a processing unit 440, specifically: a first detection unit 410 for detecting an automobile about to enter the target tunnel; the second detection unit 420 is configured to start tunnel environment detection to obtain a target length and an air mass fraction outside the automobile, where the target length includes a remaining distance length of the automobile leaving the target tunnel; an analyzing unit 430 for determining whether the vehicle air conditioning system satisfies an automatic control condition according to the target length and the air quality score; and the processing unit 440 is used for starting the air conditioner internal circulation when the automobile air conditioner system meets the automatic control condition.
Optionally, the processing unit 440 is specifically configured to obtain automatic control history data of the vehicle, where the automatic control history data is used to record history data of internal circulation of an air conditioner automatically started by the vehicle, where the history data includes a history target length and a history air quality score; and determining whether the target length and the air quality fraction are matched with the automatic control historical data, and if so, determining that the automobile meets the automatic control condition.
Optionally, the second detecting unit 420 is further configured to perform tunnel environment detection according to a preset high detection frequency; the processing unit 440 is further configured to determine whether the vehicle air conditioning system meets the automatic control condition according to the target length and the air quality score if the air quality score is higher than the start threshold.
Optionally, the second detecting unit 420 is further configured to perform tunnel environment detection according to a preset low detection frequency; the processing unit 440 is further configured to, if the air quality fraction is lower than the start threshold, close the air conditioner internal circulation, and perform a step of performing tunnel environment detection according to a preset high detection frequency until the vehicle exits the target tunnel.
Optionally, the first detecting unit 410 is specifically configured to acquire positioning information of an automobile, where the positioning information includes landmark information and length information; and judging whether the automobile is about to drive into the tunnel according to the landmark information, if so, judging whether the length of the tunnel is greater than a length threshold value according to the length information, if so, taking the tunnel as a target tunnel, and determining that the automobile is about to drive into the target tunnel.
Optionally, the processing unit further includes a recording unit 460, where the recording unit is configured to record a start time of an internal cycle of the air conditioner; the processing unit 440 is further configured to perform air purification until the vehicle shuts down the air conditioning internal circulation if the start time is longer than the time threshold.
Optionally, the processing unit further includes a third detecting unit 450, and the recording unit is configured to detect a first temperature outside the vehicle and a second temperature inside the vehicle; the processing unit 440 is further configured to determine whether an inside-outside temperature difference of the vehicle is greater than a temperature threshold according to the first temperature and the second temperature, and if so, start the defrosting mode and/or the dehumidifying mode.
Referring to fig. 5, a schematic block diagram of a control device according to another embodiment of the present application is shown. The control device in the present embodiment as shown in the figure may include: a processor 510, a transceiver 520, and a memory 530. The processor 510, transceiver 520, and memory 530 are coupled by a bus 540.
The processor 510 may adopt various units capable of implementing adjustable signals, such as various Electronic Control Units (ECUs), a single chip microcomputer, a microcontroller, a Digital Signal Processor (DSP), a Field Programmable Gate Array (FPGA), an upper computer, or a Central Processing Unit (CPU), in which the Control device may adopt a single chip microcomputer, and various Control functions may be implemented by programming the single chip microcomputer, for example, in this embodiment, the tunnel environment detection Signal and the level Signal are implemented
The processor 510 calls the program code stored in the memory 530 to execute the above method, and specifically, the processor 510 is configured to: detecting an automobile about to enter a target tunnel; starting tunnel environment detection to obtain a target length and an air mass fraction outside the automobile, wherein the target length comprises the remaining distance length of the automobile from exiting the target tunnel; and determining whether the automobile air-conditioning system meets the automatic control condition or not according to the target length and the air mass fraction, and if so, starting the internal circulation of the air conditioner.
Optionally, the processor 510 is specifically configured to obtain automatic control history data of the vehicle, where the automatic control history data is used to record history data of internal circulation of an air conditioner automatically started by the vehicle, where the history data includes a history target length and a history air quality score; and determining whether the target length and the air quality fraction are matched with the automatic control historical data, and if so, determining that the automobile meets the automatic control condition.
Optionally, the processor 510 is further configured to perform tunnel environment detection according to a preset high detection frequency; and if the air quality fraction is higher than the starting threshold value, determining whether the automobile air conditioning system meets the automatic control condition or not according to the target length and the air quality fraction.
Optionally, the processor 510 is further configured to perform tunnel environment detection according to a preset low detection frequency; and if the air mass fraction is lower than the starting threshold, closing the internal circulation of the air conditioner, and executing the step of detecting the tunnel environment according to the preset high detection frequency until the automobile exits the target tunnel.
The transceiver 520 is configured to obtain positioning information of the vehicle, where the positioning information includes landmark information and length information; the processor 510 is further configured to determine whether the vehicle is about to enter the tunnel according to the landmark information, determine whether the length of the tunnel is greater than a length threshold according to the length information if the vehicle is about to enter the tunnel, regard the tunnel as a target tunnel if the vehicle is about to enter the target tunnel, and determine that the vehicle is about to enter the target tunnel.
Optionally, the processor 510 is further configured to record a start time of an internal cycle of the air conditioner; and if the starting time is longer than the time threshold, performing air purification until the internal circulation of the air conditioner is closed by the automobile.
Optionally, the processor 510 is further configured to detect a first temperature outside the vehicle and a second temperature inside the vehicle; and determining whether the difference value of the internal temperature and the external temperature of the automobile is greater than a temperature threshold value or not according to the first temperature and the second temperature, and if so, starting a defrosting mode and/or a dehumidifying mode.
The present application further provides a computer-readable storage medium having stored thereon a plurality of instructions adapted to be loaded by a processor and to perform the method of any of the preceding embodiments.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. An air conditioner internal circulation starting method is characterized by comprising the following steps:
detecting an automobile about to enter a target tunnel;
starting tunnel environment detection to obtain a target length and an air mass fraction outside the automobile, wherein the target length comprises the length of a remaining distance of the automobile leaving the target tunnel;
and determining whether the automobile air-conditioning system meets automatic control conditions or not according to the target length and the air mass fraction, and starting air-conditioning internal circulation if the automobile air-conditioning system meets the automatic control conditions.
2. The method of claim 1, wherein said determining whether an automotive air conditioning system satisfies an automatic control condition based on said target length and said air mass fraction comprises:
acquiring automatic control historical data of the automobile, wherein the automatic control historical data is used for recording historical data of internal circulation of an air conditioner automatically started by the automobile, and the historical data comprises historical target length and historical air quality fraction;
and determining whether the target length and the air mass fraction are matched with the automatic control historical data, and if so, determining that the automobile meets the automatic control condition.
3. The method of claim 1, wherein the initiating tunnel environment detection comprises:
detecting the tunnel environment according to a preset high detection frequency;
and if the air quality fraction is higher than a starting threshold value, executing the step of determining whether the automobile air-conditioning system meets the automatic control condition according to the target length and the air quality fraction.
4. The method of claim 3, wherein after the starting of the air conditioner internal cycle, further comprising:
detecting the tunnel environment according to a preset low detection frequency;
and if the air quality fraction is lower than a starting threshold value, closing the air conditioner internal circulation, and executing the step of detecting the tunnel environment according to the preset high detection frequency until the automobile is driven out of the target tunnel.
5. The method of claim 1, wherein the detecting of the vehicle about to enter the target tunnel comprises:
acquiring positioning information of an automobile, wherein the positioning information comprises landmark information and length information;
and judging whether the automobile is about to drive into the tunnel according to the landmark information, if so, judging whether the length of the tunnel is greater than a length threshold value according to the length information, if so, taking the tunnel as a target tunnel, and determining that the automobile is about to drive into the target tunnel.
6. The method of claim 1, wherein after the starting of the air conditioner internal cycle, further comprising:
recording the starting time length of the internal circulation of the air conditioner;
and if the starting time is longer than a time threshold, performing air purification until the automobile closes the internal circulation of the air conditioner.
7. The method of claim 1, wherein after the starting of the air conditioner internal cycle, further comprising:
detecting a first temperature outside the vehicle and a second temperature inside the vehicle;
and determining whether the difference value of the internal temperature and the external temperature of the automobile is greater than a temperature threshold value or not according to the first temperature and the second temperature, and if so, starting a defrosting mode and/or a dehumidifying mode.
8. A control device, characterized in that the device comprises:
the first detection unit is used for detecting an automobile about to enter the target tunnel;
the second detection unit is used for starting tunnel environment detection to obtain a target length and an air mass fraction outside the automobile, wherein the target length comprises the length of a remaining distance of the automobile from exiting the target tunnel;
the analysis unit is used for determining whether the automobile air conditioning system meets automatic control conditions or not according to the target length and the air quality fraction;
and the processing unit is used for starting the internal circulation of the air conditioner when the automobile air conditioning system meets the automatic control condition.
9. A control device, characterized in that the device comprises a processor, a transceiver and a memory, which are connected by a bus; the processor to execute a plurality of instructions; the transceiver is used for receiving and transmitting data; the storage medium is used for storing the plurality of instructions, and the instructions are suitable for being loaded by the processor and executing the air conditioner internal circulation starting method according to any one of claims 1-7.
10. A computer-readable storage medium having stored thereon a plurality of instructions adapted to be loaded by a processor and to perform the air conditioner internal circulation starting method according to any one of claims 1 to 7.
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