CN111559334B - Automatic emergency safety protection system for monitoring environment in vehicle - Google Patents

Automatic emergency safety protection system for monitoring environment in vehicle Download PDF

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CN111559334B
CN111559334B CN202010452474.5A CN202010452474A CN111559334B CN 111559334 B CN111559334 B CN 111559334B CN 202010452474 A CN202010452474 A CN 202010452474A CN 111559334 B CN111559334 B CN 111559334B
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vehicle
data
unit
temperature
gps positioning
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CN111559334A (en
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彭娜
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Yueqing Chenzhuo Electric Co Ltd
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Yueqing Chenzhuo Electric Co Ltd
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
    • B60R21/01—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents
    • 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
    • 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
    • B60H1/00742—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 by detection of the vehicle occupants' presence; by detection of conditions relating to the body of occupants, e.g. using radiant heat detectors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
    • B60R21/01—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents
    • B60R21/015—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents including means for detecting the presence or position of passengers, passenger seats or child seats, and the related safety parameters therefor, e.g. speed or timing of airbag inflation in relation to occupant position or seat belt use
    • B60R21/01512—Passenger detection systems
    • B60R21/01516—Passenger detection systems using force or pressure sensing means
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F15/00—Power-operated mechanisms for wings
    • E05F15/70—Power-operated mechanisms for wings with automatic actuation
    • E05F15/71—Power-operated mechanisms for wings with automatic actuation responsive to temperature changes, rain, wind or noise
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F15/00—Power-operated mechanisms for wings
    • E05F15/70—Power-operated mechanisms for wings with automatic actuation
    • E05F15/73—Power-operated mechanisms for wings with automatic actuation responsive to movement or presence of persons or objects
    • E05F15/75—Power-operated mechanisms for wings with automatic actuation responsive to movement or presence of persons or objects responsive to the weight or other physical contact of a person or object

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Air-Conditioning For Vehicles (AREA)

Abstract

The invention discloses an automatic emergency safety protection system for monitoring the environment in a vehicle, which belongs to the technical field of emergency protection and comprises a data acquisition module, wherein the data acquisition module is used for acquiring the environment data in and out of the vehicle and related position information, the data analysis module is used for processing and analyzing various data acquired by the data acquisition module, and an execution mechanism is used for executing an operation instruction of a central control module. On the other hand, the vehicle storage battery is prevented from being damaged greatly by directly opening a vehicle air conditioner.

Description

Automatic emergency safety protection system for monitoring environment in vehicle
Technical Field
The invention relates to the technical field of emergency protection, in particular to an automatic emergency safety protection system for monitoring an environment in a vehicle.
Background
Along with the continuous improvement of people's standard of living, the car has become the common instrument of riding instead of walk of people, especially there is children's family in the family, the car more has made things convenient for a family's trip, but careless head of a family a bit, when driving and carrying children to go on a trip, often owing to go to do things, stay children in the car, under the condition of high temperature in summer, can lead to the fact fatal danger to the children who are detained in the car, so, people utilize the automatic emergency protection system of car internal environment monitoring to solve above-mentioned problem, however, there is following problem in the automatic emergency safety protection system of current car internal environment monitoring when using:
1. the current safety protection system can be started only when the temperature in the car reaches a set threshold value, the system can be started by mistake due to the fact that the set threshold value is too low, and the time point of cooling in the car is too late due to the fact that the set threshold value is too high, so that the children in the car can be irritated and uneasy;
2. when the safety protection system detects that children exist in the automobile, the air conditioner in the automobile can be timely turned on to cool the interior of the automobile, and when the automobile is not started, the air conditioner in the automobile is directly turned on, so that the storage battery of the automobile is greatly influenced, and the normal use of the storage battery of the automobile is influenced;
3. the existing safety protection system does not monitor the environment in the automobile any more after opening windows or opening an air conditioner of the automobile, and the condition that the temperature in the automobile does not fall down after delay can also cause great influence on children in the automobile;
therefore, there is a need for an automatic emergency safety protection system for monitoring environment in a vehicle to solve the above problems.
Disclosure of Invention
The invention aims to provide an automatic emergency safety protection system for monitoring an environment in a vehicle, which aims to solve the problems in the prior art.
In order to achieve the purpose, the invention provides the following technical scheme: an automatic emergency safety protection system for monitoring the environment in a vehicle comprises a data acquisition module, a central control module, a data analysis module and an execution mechanism;
the system comprises a data acquisition module, a central control module, a data analysis module, an execution mechanism and a safety protection system, wherein the data acquisition module is used for acquiring internal and external environment data and related position information of a vehicle, so that the internal environment of the vehicle can be subjected to data detection, the judgment and control operation is more accurate, the central control module is used for carrying out automatic control on the whole system, the internal environment of the vehicle and whether an automatic emergency safety protection system is started or not are controlled according to acquired data, the data analysis module is used for processing and analyzing various data acquired by the data acquisition module, so that the internal environment of the vehicle can be judged more accurately, and the execution mechanism is used for executing an operation instruction of the central control module to realize emergency safety protection;
the output end of the data acquisition module is electrically connected with the input end of the central control module, the central control module is electrically connected with the data analysis module, and the output end of the central control module is electrically connected with the input end of the execution mechanism.
According to the technical scheme, the data acquisition module comprises a first temperature sensor, a second temperature sensor, a first GPS positioning unit, a second GPS positioning unit and a pressure sensor;
the first temperature sensor is arranged outside the vehicle and used for collecting temperature data outside the vehicle to be used as a basis for starting the safety protection system or not, the safety protection system is prevented from being started in low-temperature weather by detecting the temperature outside the vehicle through the first temperature sensor to influence the parking safety of the vehicle, the second temperature sensor is arranged inside the vehicle and used for collecting the temperature data inside the vehicle, the temperature data collected by the second temperature sensor is T ℃ and is used as a basis for judging the temperature change trend inside the vehicle, so that the temperature which the temperature inside the vehicle is about to reach can be known in advance through calculation, the safety protection system is judged and started in advance, the first GPS positioning unit is arranged inside the vehicle and used for positioning the position of the vehicle, the second GPS positioning unit is arranged inside a vehicle key and used for positioning the position of a vehicle owner, the pressure sensor is arranged below the vehicle seat and used for detecting whether children are detained in the vehicle, so that whether children are detained in the vehicle and the state of the children can be accurately judged;
the output ends of the first temperature sensor, the second temperature sensor and the pressure sensor are electrically connected with the input end of the central control module, and the output ends of the first GPS positioning unit and the second GPS positioning unit are electrically connected with the input end of the data analysis module.
According to the technical scheme, the central control module comprises a time recording unit, a PLC (programmable logic controller) and a database;
the PLC is used for intelligently controlling the whole safety protection system and sending an operation instruction to an execution mechanism according to a data result of the data analysis module, and the database is used for storing and recording various data acquired by the data acquisition module;
the output ends of the first temperature sensor, the second temperature sensor and the pressure sensor are electrically connected with the input end of the PLC controller, the output end of the time recording unit is electrically connected with the input end of the PLC controller, and the output end of the PLC controller is electrically connected with the input end of the database.
According to the technical scheme, the data analysis module comprises a data calling unit, a data processing unit and a model establishing unit;
the data calling unit is used for calling various data collected by the data collection module from a database, the data processing unit is used for calculating and processing various data called by the data calling unit, so that the environment in the vehicle can be accurately calculated and analyzed, the current environment situation in the vehicle is judged, the PLC determines the specific content of an operation instruction sent to the execution mechanism according to the specific content, the model establishing unit is used for establishing a two-dimensional coordinate system of the relative position between the vehicle and the owner and is used for analyzing and prejudging the relative position between the owner and the vehicle so as to confirm the issuing of the related operation instruction;
the output electric connection data of database transfer the input of unit, the output electric connection data processing unit's of data transfer unit input, the output electric connection data processing unit's of first GPS positioning unit and second GPS positioning unit input, the output electric connection PLC controller's of data processing unit input.
According to the technical scheme, the actuating mechanism comprises a first actuating unit and a second actuating unit;
the first execution unit is a driving motor for controlling the opening of the window, and is used for controlling the window to be opened for a certain distance under the condition of abnormal environment in the automobile and keeping the environment in the automobile ventilated, so that the environment in the automobile can be improved, the second execution unit is used for controlling the opening of an air conditioner in the automobile and further improving the environment in the automobile, and because the storage battery of the automobile is damaged due to the fact that the air conditioner is directly opened, after the window is opened, under the condition that the environment in the automobile is not obviously improved, in order to ensure the safety of children staying in the automobile, the air conditioner is opened by the second execution mechanism, and the environment in the automobile is further improved;
the output end of the PLC controller is electrically connected with the input ends of the first executing mechanism and the second executing mechanism.
According to the technical scheme, the first temperature sensor detects that the temperature outside the vehicle is M ℃;
when M > A1The vehicle is not locked or M is less than or equal to A1When the safety protection system is started, the safety protection system is not started;
when M > A1And when the vehicle is locked, the pressure sensor collects the seat pressure data set as PCollection＝{P1,P2,P3,...,Pn}；
Summing the pressure change values according to the formula:
Figure GDA0003003128000000051
when P is presentAnd≥A2when the safety protection system is started, the personnel in the vehicle move;
when P is presentAnd＜A2and meanwhile, no human activities are shown in the vehicle, and the safety protection system is not started.
According to the technical scheme, after the safety protection system is started, the data acquisition module transmits acquired data to the PLC controller, the PLC controller stores the acquired data in the database, the data retrieval unit retrieves relevant data from the database and supplies the relevant data to the data processing unit, the data processing unit processes and calculates all data acquired by the data acquisition module, the temperature data in the vehicle acquired by the second temperature sensor is T ℃, the second temperature sensor acquires the temperature data in the vehicle at intervals, and a set T of the temperature data in the vehicle is formedFront set＝{T1,T2,T3,...,TmIn which T is1,T2,T3,...,TmRepresenting the temperature data in the vehicle collected by the second temperature sensor at intervals, and the corresponding time point set is tFront set＝{t1,t2,t3,...,tmWhere t is1,t2,t3,...,tmRepresents each time point at which the second temperature sensor collects the environment in the vehicle, according toThe following formula is used for calculating the variation of the temperature in the vehicle:
Figure GDA0003003128000000061
wherein,
Figure GDA0003003128000000062
represents tkTime point to tk+1Variation of temperature in the vehicle at time point, Tk+1Represents tk+1Temperature data in the vehicle, T, collected at a time pointkRepresents tkTemperature data in the vehicle collected at the time point;
calculating the change rate of the temperature in the vehicle according to the following formula:
Figure GDA0003003128000000063
wherein,
Figure GDA0003003128000000064
represents tkTo tk+1The data processing unit transmits the processed data to the PLC at the temperature change rate in the time slot;
when in use
Figure GDA0003003128000000065
When the vehicle window is opened, the PLC controller issues an operation instruction to a first execution unit, and the first execution unit controls the vehicle window to be opened by H centimeters;
when in use
Figure GDA0003003128000000071
And T > A4When the vehicle window is opened, the PLC controller issues an operation instruction to a first execution unit, and the first execution unit controls the vehicle window to be opened by H centimeters;
when in use
Figure GDA0003003128000000072
Or T is less than or equal to A4When the temperature of the water is higher than the set temperature,the PLC controller does not issue an operation instruction to the first execution unit.
According to the technical scheme, the data processing unit continues to process the data acquired by the data acquisition module, and the data calling unit calls temperature change data of the opened car window after H centimeters from the database to form a set T of temperature changesRear collection＝{T1,T2,T3,...,TsIn which T is1,T2,T3,...,TsThe time recording unit records time to form a set t of timeRear collection＝{t1,t2,t3,...,tsWhere t is1,t2,t3,...,tsRespectively representing time points when the second temperature sensor collects the temperature data in the vehicle;
calculating the variation of the temperature in the vehicle according to the following formula:
Figure GDA0003003128000000073
wherein,
Figure GDA0003003128000000074
represents tqTime point to tq+1Variation of temperature in the vehicle at time point, Tq+1Represents tq+1Temperature data in the vehicle, T, collected at a time pointqRepresents tqTemperature data in the vehicle collected at the time point;
calculating the change rate of the temperature in the vehicle according to the following formula:
Figure GDA0003003128000000075
wherein,
Figure GDA0003003128000000076
represents tqTo tq+1The data processing unit transmits the processed data to the PLC at the temperature change rate in the time slot;
when in use
Figure GDA0003003128000000077
When the vehicle air conditioner is started, the PLC controller issues an operation instruction to a second execution unit, and the second execution unit controls the vehicle air conditioner to be started;
when in use
Figure GDA0003003128000000081
And T > A6When the vehicle air conditioner is started, the PLC controller issues an operation instruction to a second execution unit, and the second execution unit controls the vehicle air conditioner to be started;
when in use
Figure GDA0003003128000000082
Or T < A6And the PLC does not issue an operation instruction to the second execution unit.
According to the technical scheme, the first GPS positioning unit and the second GPS positioning unit send the collected positioning data to the model establishing unit, the model establishing unit establishes a two-dimensional model of the relative position of the vehicle and a vehicle owner, the position data of the first GPS positioning unit in the two-dimensional model is (0,0), and the position data of the second GPS positioning unit in the two-dimensional model is (X, Y);
calculating the distance between the vehicle owner and the vehicle according to the following formula:
Figure GDA0003003128000000083
the time recording unit updates the position information of a second GPS positioning unit at intervals, and the second GPS positioning unit forms a set F of the position informationCollection＝{(X1,Y1),(X2,Y2),(X3,Y3),...,(Xu,Yu) Wherein (X)1,Y1),(X2,Y2),(X3,Y3),...,(Xu,Yu) Respectively representing the coordinate information of the position of the vehicle owner obtained by the second GPS positioning unit at different times, and representing a vector formed between the ith point and the origin (0,0) according to the following formula:
Figure GDA0003003128000000084
wherein,
Figure GDA0003003128000000085
representing a vector formed between the ith point and the origin;
calculating a vector formed by the position coordinates of the vehicle owners acquired at two adjacent times according to the following formula:
Figure GDA0003003128000000091
wherein,
Figure GDA0003003128000000092
a vector representing the owner from the point i to the point i + 1;
when in use
Figure GDA0003003128000000093
Representing a vector of
Figure GDA0003003128000000094
The direction of the car door is a pointing origin (0,0) which indicates that a car owner walks in the direction of the car, the PLC controller issues an instruction to the first execution unit, and the first execution unit controls the opening distance of the car window to be increased;
when the walking direction of the vehicle owner is not the position direction of the vehicle, the PLC does not issue an operation instruction to the first execution unit, and whether the temperature in the vehicle is smaller than a set threshold value or not is judged;
when T is less than A6While maintaining the distance the window is open;
when the T is larger than or equal to A6, the PLC controller issues an instruction to a second execution unit, and the second execution unit controls the air conditioner in the vehicle to be opened.
According to the technical scheme, the opening size of the window is gradually increased along with the reduction of the L, the smaller the L is, the closer the distance between the vehicle owner and the vehicle is, and at the moment, the greater distance of the window opening cannot influence the safety of children in the vehicle.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the environment in the vehicle and the environment outside the vehicle are monitored in real time, the condition of temperature rise in the vehicle is estimated according to the algorithm, the window is opened to cool in time under the condition of abnormal temperature rise in the vehicle, the temperature in the vehicle is monitored in real time after the window is opened, the speed of temperature decrease in the vehicle is calculated according to the algorithm, and the air conditioner in the vehicle is started to cool when the speed of temperature decrease in the vehicle is low.
2. According to the invention, the vehicle key is positioned, namely the position of the vehicle owner is positioned, the vehicle owner position is continuously updated, the motion track of the vehicle owner is calculated, whether the vehicle owner moves towards the vehicle is confirmed in a modeling mode, and the opening distance of the vehicle window is adjusted.
3. Whether have children to be detained in to the car through pressure sensor and detect, not only can judge the condition of detaining, simultaneously, can also judge the condition of children in the car, whether the mood of being irritated and uncomfortable appears.
Drawings
FIG. 1 is a schematic diagram of a module structure of an automatic emergency safety protection system for monitoring an environment in a vehicle according to the present invention;
FIG. 2 is a schematic diagram of a module connection structure of an automatic emergency safety protection system for monitoring an environment in a vehicle according to the present invention;
FIG. 3 is a schematic diagram of a start-up process of an automatic emergency safety protection system for monitoring an environment in a vehicle according to the present invention;
fig. 4 is a schematic diagram of a data processing flow of the automatic emergency safety protection system for monitoring the environment in the vehicle according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 to 4, an automatic emergency safety protection system for monitoring an environment in a vehicle includes a data acquisition module, a central control module, a data analysis module and an execution mechanism;
the system comprises a data acquisition module, a central control module, a data analysis module, an execution mechanism and a safety protection module, wherein the data acquisition module is used for acquiring internal and external environment data and related position information of a vehicle, so that the internal environment of the vehicle can be subjected to data detection, the judgment and control operation is more accurate, the central control module is used for carrying out automatic control on the whole system, the internal environment of the vehicle and whether an automatic emergency safety protection system is started or not are controlled according to acquired data, the data analysis module is used for processing and analyzing various data acquired by the data acquisition module, so that the internal environment of the vehicle can be judged more accurately, and the execution mechanism is used for executing an operation instruction of the central control module, so that emergency safety protection is realized;
the output end of the data acquisition module is electrically connected with the input end of the central control module, the central control module is electrically connected with the data analysis module, and the output end of the central control module is electrically connected with the input end of the execution mechanism.
According to the technical scheme, the data acquisition module comprises a first temperature sensor, a second temperature sensor, a first GPS positioning unit, a second GPS positioning unit and a pressure sensor;
the first temperature sensor is arranged outside the vehicle and used for collecting temperature data outside the vehicle as a basis for starting the safety protection system, the detection of the temperature outside the vehicle by the first temperature sensor avoids starting the safety protection system in low-temperature weather to influence the parking safety of the vehicle, the second temperature sensor is arranged inside the vehicle and used for collecting the temperature data inside the vehicle, the temperature data collected by the second temperature sensor is T ℃ as a basis for judging the change trend of the temperature inside the vehicle, so that the temperature at which the temperature inside the vehicle is about to reach can be known in advance through calculation, the safety protection system is pre-judged and started in advance, the first GPS positioning unit is arranged inside the vehicle and used for positioning the position of the vehicle, the second GPS positioning unit is arranged inside the vehicle key and used for positioning the position of a vehicle owner, and the first GPS positioning unit and the second GPS positioning unit are used for positioning the position of the vehicle owner, the automobile seat pressure sensor is arranged below the automobile seat and used for detecting whether children are detained in the automobile, so that whether children are detained in the automobile and the state of the children can be accurately judged;
the output ends of the first temperature sensor, the second temperature sensor and the pressure sensor are electrically connected with the input end of the central control module, and the output ends of the first GPS positioning unit and the second GPS positioning unit are electrically connected with the input end of the data analysis module.
According to the technical scheme, the central control module comprises a time recording unit, a PLC (programmable logic controller) and a database;
the time recording unit is used for recording time in real time, the time point data recorded by the time recording unit is t, the PLC is used for intelligently controlling the whole safety protection system and sending an operation instruction to the execution mechanism according to the data result of the data analysis module, and the database is used for storing and recording various data acquired by the data acquisition module;
the output ends of the first temperature sensor, the second temperature sensor and the pressure sensor are electrically connected with the input end of the PLC controller, the output end of the time recording unit is electrically connected with the input end of the PLC controller, and the output end of the PLC controller is electrically connected with the input end of the database.
According to the technical scheme, the data analysis module comprises a data calling unit, a data processing unit and a model establishing unit;
the data calling unit is used for calling various data collected by the data collection module from the database, the data processing unit is used for calculating and processing various data called by the data calling unit, so that the environment in the vehicle can be accurately calculated and analyzed, the current environment situation in the vehicle is judged, the PLC determines the specific content of the operation instruction sent to the execution mechanism according to the calculation and processing, the model establishing unit is used for establishing a two-dimensional coordinate system of the relative position between the vehicle and the owner and is used for analyzing and prejudging the relative position between the vehicle owner and the vehicle so as to confirm that the relevant operation instruction is issued;
the output end of the database is electrically connected with the input end of the data calling unit, the output end of the data calling unit is electrically connected with the input end of the data processing unit, the output ends of the first GPS positioning unit and the second GPS positioning unit are electrically connected with the input end of the data processing unit, and the output end of the data processing unit is electrically connected with the input end of the PLC.
According to the technical scheme, the actuating mechanism comprises a first actuating unit and a second actuating unit;
the first execution unit is a driving motor for controlling the opening of the window, and is used for controlling the window to be opened for a certain distance under the condition of abnormal environment in the automobile and keeping the environment in the automobile ventilated, so that the environment in the automobile can be improved, the second execution unit is used for controlling the opening of an air conditioner in the automobile and further improving the environment in the automobile, and because the storage battery of the automobile is damaged due to the fact that the air conditioner is directly opened, after the window is opened, under the condition that the environment in the automobile is not obviously improved, in order to ensure the safety of children staying in the automobile, the air conditioner is opened by the second execution mechanism, and the environment in the automobile is further improved;
the output end of the PLC controller is electrically connected with the input ends of the first executing mechanism and the second executing mechanism.
According to the technical scheme, the first temperature sensor detects that the temperature outside the vehicle is M ℃;
when M > A1The vehicle is not locked or M is less than or equal to A1When the safety protection system is started, the safety protection system is not started;
when M > A1And when the vehicle is locked, the pressure sensor collects the seat pressure data set as PCollection＝{P1,P2,P3,...,Pn}；
Summing the pressure change values according to the formula:
Figure GDA0003003128000000141
when P is presentAnd≥A2when the safety protection system is started, the personnel in the vehicle move;
when P is presentAnd＜A2and meanwhile, no human activities are shown in the vehicle, and the safety protection system is not started.
According to the technical scheme, after the safety protection system is started, the data acquisition module transmits acquired data to the PLC, the PLC stores the acquired data in the database, the data retrieval unit retrieves relevant data from the database and supplies the relevant data to the data processing unit, the data processing unit processes and calculates all data acquired by the data acquisition module, the temperature data in the vehicle acquired by the second temperature sensor is T ℃, the second temperature sensor acquires the temperature data in the vehicle at intervals to form a set T of temperature data in the vehicleFront set＝{T1,T2,T3,...,TmIn which T is1,T2,T3,...,TmRepresenting the temperature data in the vehicle collected by the second temperature sensor at intervals, and the corresponding time point set is tFront set＝{t1,t2,t3,...,tmWhere t is1,t2,t3,...,tmRepresenting each time point of the second temperature sensor for collecting the environment in the vehicle, and calculating the variation of the temperature in the vehicle according to the following formula:
Figure GDA0003003128000000151
wherein,
Figure GDA0003003128000000152
represents tkTime point to tk+1Variation of temperature in the vehicle at time point, Tk+1Represents tk+1Temperature data in the vehicle, T, collected at a time pointkRepresents tkTemperature data in the vehicle collected at the time point;
calculating the change rate of the temperature in the vehicle according to the following formula:
Figure GDA0003003128000000153
wherein,
Figure GDA0003003128000000154
represents tkTo tk+1The data processing unit transmits the processed data to the PLC at the temperature change rate in the time slot;
when in use
Figure GDA0003003128000000155
When the vehicle window is opened, the PLC controller issues an operation instruction to the first execution unit, and the first execution unit controls the vehicle window to be opened by H centimeters;
when in use
Figure GDA0003003128000000156
And T > A4When the vehicle window is opened, the PLC controller issues an operation instruction to the first execution unit, and the first execution unit controls the vehicle window to be opened by H centimeters;
when in use
Figure GDA0003003128000000157
Or T is less than or equal to A4And when the PLC does not issue the operation instruction to the first execution unit.
According to the technical scheme, the data processing unit continues to process the data acquired by the data acquisition module, and the data calling unit calls the temperature change data of the opened car window after H centimeters from the database to form a set T of temperature changesRear collection＝{T1,T2,T3,...,TsIn which T is1,T2,T3,...,TsThe temperature data in the vehicle, which are acquired by the second temperature sensor at intervals after the vehicle window is opened, are represented, and the time recording unit records time and forms a set t of timeRear collection＝{t1,t2,t3,...,tsWhere t is1,t2,t3,...,tsRespectively representing time points when the second temperature sensor collects the temperature data in the vehicle;
calculating the variation of the temperature in the vehicle according to the following formula:
Figure GDA0003003128000000161
wherein,
Figure GDA0003003128000000162
represents tqTime point to tq+1Variation of temperature in the vehicle at time point, Tq+1Represents tq+1Temperature data in the vehicle, T, collected at a time pointqRepresents tqTemperature data in the vehicle collected at the time point;
calculating the change rate of the temperature in the vehicle according to the following formula:
Figure GDA0003003128000000163
wherein,
Figure GDA0003003128000000164
represents tqTo tq+1The data processing unit transmits the processed data to the PLC at the temperature change rate in the time slot;
when in use
Figure GDA0003003128000000165
When the vehicle air conditioner is started, the PLC controller issues an operation instruction to the second execution unit, and the second execution unit controls the vehicle air conditioner to be started;
when in use
Figure GDA0003003128000000166
And T > A6When the vehicle air conditioner is started, the PLC controller issues an operation instruction to the second execution unit, and the second execution unit controls the vehicle air conditioner to be started;
when in use
Figure GDA0003003128000000167
Or T < A6And when the PLC does not issue the operation instruction to the second execution unit.
According to the technical scheme, the first GPS positioning unit and the second GPS positioning unit send the collected positioning data to the model establishing unit, the model establishing unit establishes a two-dimensional model of the relative position of the vehicle and the vehicle owner, the position data of the first GPS positioning unit in the two-dimensional model is (0,0), and the position data of the second GPS positioning unit in the two-dimensional model is (X, Y);
calculating the distance between the vehicle owner and the vehicle according to the following formula:
Figure GDA0003003128000000171
the time recording unit updates the position information of the second GPS positioning unit at intervals, and the second GPS positioning unit forms a set F of the position informationCollection＝{(X1,Y1),(X2,Y2),(X3,Y3),...,(Xu,Yu) Wherein (X)1,Y1),(X2,Y2),(X3,Y3),...,(Xu,Yu) Respectively representing the coordinate information of the position of the vehicle owner obtained by the second GPS positioning unit at different time, and representing the shape between the ith point and the origin (0,0) according to the following formulaThe vector of (A):
Figure GDA0003003128000000172
wherein,
Figure GDA0003003128000000173
representing a vector formed between the ith point and the origin;
calculating a vector formed by the position coordinates of the vehicle owners acquired at two adjacent times according to the following formula:
Figure GDA0003003128000000174
wherein,
Figure GDA0003003128000000175
a vector representing the owner from the point i to the point i + 1;
when in use
Figure GDA0003003128000000176
Representing a vector of
Figure GDA0003003128000000177
The direction of the car door is a pointing origin (0,0) which indicates that a car owner walks in the direction of the car, the PLC controller issues an instruction to the first execution unit, and the first execution unit controls the opening distance of the car window to be increased;
when the walking direction of the vehicle owner is not the position direction of the vehicle, the PLC does not issue an operation instruction to the first execution unit, and whether the temperature in the vehicle is smaller than a set threshold value or not is judged;
when T is less than A6While maintaining the distance the window is open;
when T is larger than or equal to A6, the PLC controller issues an instruction to the second execution unit, and the second execution unit controls the air conditioner in the vehicle to be opened.
According to the technical scheme, the opening size of the window is gradually increased along with the reduction of the L, the smaller the L is, the closer the distance between the vehicle owner and the vehicle is, and at the moment, the greater distance of the window opening cannot influence the safety of children in the vehicle.
The first embodiment is as follows: the first temperature sensor detects that the temperature outside the vehicle is 15 ℃ and the vehicle is locked;
M＝15≤A1the safety protection system is not activated 25.
Example two: the first temperature sensor detects that the temperature outside the vehicle is 27 ℃ and the vehicle is locked;
M＝27＞A125, the vehicle is locked, and the pressure sensor acquires a seat pressure data set PCollection＝{215,196,223,186,205}；
Summing the pressure change values according to the formula:
Figure GDA0003003128000000181
Pand＝102N≥A2when the number is 15N, the action of a person in the vehicle is indicated, and the safety protection system is started.
Example three: the rest conditions are the same as the examples;
after the safety protection system is started, the data acquisition module transmits acquired data to the PLC controller, the PLC controller stores the acquired data in the database, the data retrieval unit retrieves related data from the database and supplies the related data to the data processing unit, the data processing unit processes and calculates all data acquired by the data acquisition module, the temperature data in the vehicle acquired by the second temperature sensor is T ℃, the second temperature sensor acquires the temperature data in the vehicle at intervals to form a set T of temperature data in the vehicleFront set＝{31,31.3,31.7,32.2,32.8,33.6}，
Corresponding set of time points as tFront setThe amount of change in the in-vehicle temperature is calculated according to the following formula, where {10:05,10:10,10:15,10:20,10:25,10:30 }:
Figure GDA0003003128000000191
Figure GDA0003003128000000192
Figure GDA0003003128000000193
Figure GDA0003003128000000194
Figure GDA0003003128000000195
calculating the change rate of the temperature in the vehicle according to the following formula:
Figure GDA0003003128000000196
Figure GDA0003003128000000197
Figure GDA0003003128000000198
Figure GDA0003003128000000199
Figure GDA00030031280000001910
Figure GDA00030031280000001911
when the PLC controller sends an operation instruction to the first execution unit, the first execution unitThe unit controls the window opening H to 10 cm.
The data processing unit continues to process the data acquired by the data acquisition module, and the data calling unit calls temperature change data of H centimeters after the vehicle window is opened from the database to form a set T of temperature changesRear collectionTime recording unit records time, forming a set t of times, 32.8,32.5,32.0,31.3, 30.4,29.3Rear collection＝{10:25,10:30,10:35,10:40,10:45,10:50}；
Calculating the variation of the temperature in the vehicle according to the following formula:
Figure GDA0003003128000000201
Figure GDA0003003128000000202
Figure GDA0003003128000000203
Figure GDA0003003128000000204
Figure GDA0003003128000000205
calculating the change rate of the temperature in the vehicle according to the following formula:
Figure GDA0003003128000000206
Figure GDA0003003128000000207
Figure GDA0003003128000000208
Figure GDA0003003128000000209
Figure GDA00030031280000002010
Figure GDA00030031280000002011
the PLC controller issues an operation instruction to a second execution unit, and the second execution unit controls the vehicle air conditioner to be turned on;
when in use
Figure GDA00030031280000002012
And T > A6When the vehicle air conditioner is started, the PLC controller issues an operation instruction to the second execution unit, and the second execution unit controls the vehicle air conditioner to be started;
when in use
Figure GDA00030031280000002013
Or T < A6And when the PLC does not issue the operation instruction to the second execution unit.
Example four: the rest conditions are the same as the examples;
after the safety protection system is started, the data acquisition module transmits acquired data to the PLC controller, the PLC controller stores the acquired data in the database, the data retrieval unit retrieves related data from the database and supplies the related data to the data processing unit, the data processing unit processes and calculates all data acquired by the data acquisition module, the temperature data in the vehicle acquired by the second temperature sensor is T ℃, the second temperature sensor acquires the temperature data in the vehicle at intervals to form a set T of temperature data in the vehicleFront set＝{31,31.3,31.7,32.2,32.8,33.6}，
Corresponding set of time points as tFront setThe amount of change in the in-vehicle temperature is calculated according to the following formula, where {10:05,10:10,10:15,10:20,10:25,10:30 }:
Figure GDA0003003128000000211
Figure GDA0003003128000000212
Figure GDA0003003128000000213
Figure GDA0003003128000000214
Figure GDA0003003128000000215
calculating the change rate of the temperature in the vehicle according to the following formula:
Figure GDA0003003128000000216
Figure GDA0003003128000000217
Figure GDA0003003128000000218
Figure GDA0003003128000000219
Figure GDA00030031280000002110
Figure GDA00030031280000002111
and T is 32.2 ℃ > A4When the temperature is 30 ℃, the PLC controller issues an operation instruction to the first execution unit, and the first execution unit controls the window to be opened H to be 10 cm.
The data processing unit continues to process the data acquired by the data acquisition module, and the data calling unit calls temperature change data of H centimeters after the vehicle window is opened from the database to form a set T of temperature changesRear collectionTime recording unit records time, forming a set t of times, 32.8,32.5,32.0,31.3, 30.4,29.3Rear collection＝{10:25,10:30,10:35,10:40,10:45,10:50}；
Calculating the variation of the temperature in the vehicle according to the following formula:
Figure GDA0003003128000000221
Figure GDA0003003128000000222
Figure GDA0003003128000000223
Figure GDA0003003128000000224
Figure GDA0003003128000000225
calculating the change rate of the temperature in the vehicle according to the following formula:
Figure GDA0003003128000000226
Figure GDA0003003128000000227
Figure GDA0003003128000000228
Figure GDA0003003128000000229
Figure GDA00030031280000002210
Figure GDA00030031280000002211
and T is 29.3 ℃ > A6And when the temperature is 27 ℃, the PLC controller issues an operation instruction to the second execution unit, and the second execution unit controls the vehicle air conditioner to be turned on.
Example five: the other conditions were the same as in example four;
the first GPS positioning unit and the second GPS positioning unit send the collected positioning data to the model establishing unit, the model establishing unit establishes a two-dimensional model of the relative position of the vehicle and the vehicle owner, the position data of the first GPS positioning unit in the two-dimensional model is (0,0), and the position data of the second GPS positioning unit in the two-dimensional model is (X, Y);
calculating the distance between the vehicle owner and the vehicle according to the following formula:
Figure GDA0003003128000000231
the time recording unit updates the position information of the second GPS positioning unit at intervals, and the second GPS positioning unit forms a set F of the position informationCollection＝{(10,10),(9,9),(8,8),(7,7),(6,6)Calculating a vector formed between each point and the origin (0,0) according to the following formula:
Figure GDA0003003128000000232
Figure GDA0003003128000000233
Figure GDA0003003128000000234
Figure GDA0003003128000000235
Figure GDA0003003128000000236
calculating a vector formed by the position coordinates of the vehicle owners acquired at two adjacent times according to the following formula:
Figure GDA0003003128000000237
Figure GDA0003003128000000238
Figure GDA0003003128000000239
Figure GDA00030031280000002310
Figure GDA00030031280000002311
representing a vector
Figure GDA00030031280000002312
The direction of the car door is a pointing origin (0,0) which indicates that a car owner walks in the direction of the car, the PLC controller issues an instruction to the first execution unit, and the first execution unit controls the opening distance of the car window to be increased.
Example six: the other conditions were the same as in example four;
the first GPS positioning unit and the second GPS positioning unit send the collected positioning data to the model establishing unit, the model establishing unit establishes a two-dimensional model of the relative position of the vehicle and the vehicle owner, the position data of the first GPS positioning unit in the two-dimensional model is (0,0), and the position data of the second GPS positioning unit in the two-dimensional model is (X, Y);
calculating the distance between the vehicle owner and the vehicle according to the following formula:
Figure GDA0003003128000000241
the time recording unit updates the position information of the second GPS positioning unit at intervals, and the second GPS positioning unit forms a set F of the position informationCollection{ (10,10), (8,9), (7,8), (6,6), (5,5) }, a vector formed between each point and the origin (0,0) is calculated according to the following formula:
Figure GDA0003003128000000242
Figure GDA0003003128000000243
Figure GDA0003003128000000244
Figure GDA0003003128000000245
Figure GDA0003003128000000246
calculating a vector formed by the position coordinates of the vehicle owners acquired at two adjacent times according to the following formula:
Figure GDA0003003128000000247
Figure GDA0003003128000000248
Figure GDA0003003128000000249
Figure GDA00030031280000002410
Figure GDA0003003128000000251
the walking direction of the vehicle owner is not the position direction of the vehicle, the PLC does not issue an operation instruction to the first execution unit, and whether the temperature in the vehicle is smaller than a set threshold value or not is judged;
T＝32.2℃＜A6the distance the window is opened is maintained at 30 ℃.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (1)

1. The utility model provides an automatic emergent safety protection system of car internal environment monitoring which characterized in that: the system comprises a data acquisition module, a central control module, a data analysis module and an execution mechanism;
the system comprises a data acquisition module, a central control module, a data analysis module, an execution mechanism and a safety monitoring module, wherein the data acquisition module is used for acquiring internal and external environment data and related position information of a vehicle, the central control module is used for automatically controlling the whole system and controlling the internal environment of the vehicle and whether an automatic emergency safety protection system is started or not according to acquired data, the data analysis module is used for processing and analyzing various data acquired by the data acquisition module, and the execution mechanism is used for executing an operation instruction of the central control module;
the output end of the data acquisition module is electrically connected with the input end of the central control module, the central control module is electrically connected with the data analysis module, and the output end of the central control module is electrically connected with the input end of the actuating mechanism;
the data acquisition module comprises a first temperature sensor, a second temperature sensor, a first GPS positioning unit, a second GPS positioning unit and a pressure sensor;
the first temperature sensor is arranged outside the vehicle and used for collecting temperature data outside the vehicle, the second temperature sensor is arranged inside the vehicle and used for collecting temperature data inside the vehicle, the temperature data collected by the second temperature sensor is T ℃, the first GPS positioning unit is arranged inside the vehicle and used for positioning the position of the vehicle, the second GPS positioning unit is arranged inside a vehicle key and used for positioning the position of a vehicle owner, and the pressure sensor is arranged below a vehicle seat and used for detecting whether children are detained inside the vehicle;
the output ends of the first temperature sensor, the second temperature sensor and the pressure sensor are electrically connected with the input end of the central control module, and the output ends of the first GPS positioning unit and the second GPS positioning unit are electrically connected with the input end of the data analysis module;
the central control module comprises a time recording unit, a PLC (programmable logic controller) and a database;
the PLC is used for intelligently controlling the whole safety protection system and sending an operation instruction to an execution mechanism according to a data result of the data analysis module, and the database is used for storing and recording various data acquired by the data acquisition module;
the output ends of the first temperature sensor, the second temperature sensor and the pressure sensor are electrically connected with the input end of the PLC, the output end of the time recording unit is electrically connected with the input end of the PLC, and the output end of the PLC is electrically connected with the input end of the database;
the data analysis module comprises a data calling unit, a data processing unit and a model establishing unit;
the data calling unit is used for calling various data collected by the data collection module from a database, the data processing unit is used for calculating and processing various data called by the data calling unit, and the model establishing unit is used for establishing a two-dimensional coordinate system of the relative position between the vehicle and the vehicle owner;
the output end of the database is electrically connected with the input end of the data calling unit, the output end of the data calling unit is electrically connected with the input end of the data processing unit, the output ends of the first GPS positioning unit and the second GPS positioning unit are electrically connected with the input end of the data processing unit, and the output end of the data processing unit is electrically connected with the input end of the PLC controller;
the actuating mechanism comprises a first actuating unit and a second actuating unit;
the first execution unit is a driving motor for controlling the opening of the window and is used for controlling the window to be opened for a certain distance under the condition of abnormal environment in the automobile, and the second execution unit is used for controlling the opening of an air conditioner in the automobile and further improving the environment in the automobile;
the output end of the PLC controller is electrically connected with the input ends of the first executing mechanism and the second executing mechanism;
the first GPS positioning unit and the second GPS positioning unit send the collected positioning data to the model establishing unit, the model establishing unit establishes a two-dimensional model of the relative position of the vehicle and the vehicle owner, the position data of the first GPS positioning unit in the two-dimensional model is (0,0), and the position data of the second GPS positioning unit in the two-dimensional model is (X, Y);
calculating the distance between the vehicle owner and the vehicle according to the following formula:
Figure DEST_PATH_IMAGE002A
；
the time recording unit updates the position information of a second GPS positioning unit at intervals, and the second GPS positioning unit forms a set F of the position informationCollection={(X1,Y1),(X2,Y2),(X3,Y3),...,(Xu,Yu) Wherein (X)1,Y1),(X2,Y2),(X3,Y3),...,(Xu,Yu) Respectively representing the coordinate information of the position of the vehicle owner obtained by the second GPS positioning unit at different times, and representing a vector formed between the ith point and the origin (0,0) according to the following formula:
Figure DEST_PATH_IMAGE004A
；
wherein,
Figure DEST_PATH_IMAGE006A
representing a vector formed between the ith point and the origin;
calculating a vector formed by the position coordinates of the vehicle owners acquired at two adjacent times according to the following formula:
Figure DEST_PATH_IMAGE008A
；
wherein,
Figure DEST_PATH_IMAGE010AA
a vector representing the owner from the point i to the point i + 1;
when in use
Figure DEST_PATH_IMAGE012A
Representing a vector of
Figure DEST_PATH_IMAGE010AAA
The direction of the car door is a pointing origin (0,0) which indicates that a car owner walks in the direction of the car, the PLC controller issues an instruction to the first execution unit, and the first execution unit controls the opening distance of the car window to be increased;
when the walking direction of the vehicle owner is not the position direction of the vehicle, the PLC does not issue an operation instruction to the first execution unit, and whether the temperature in the vehicle is smaller than a set threshold value or not is judged;
when T is less than A6While maintaining the distance the window is open;
when T is larger than or equal to A6, the PLC controller issues an instruction to a second execution unit, and the second execution unit controls the air conditioner in the vehicle to be opened;
the first temperature sensor detects that the temperature outside the vehicle is M ℃;
when M > A1The vehicle is not locked or M is less than or equal to A1When the safety protection system is started, the safety protection system is not started;
when M > A1And when the vehicle is locked, the pressure sensor collects the seat pressure data set as PCollection={P1,P2,P3,...,Pn}；
Summing the pressure change values according to the formula:
Figure DEST_PATH_IMAGE014A
；
when P is presentAnd≥A2when the safety protection system is started, the personnel in the vehicle move;
when P is presentAnd＜A2when the vehicle is in use, no person moves in the vehicle, and the safety protection system is not started;
after the safety protection system is started, the data acquisition module transmits acquired data to the PLC controller, the PLC controller stores the acquired data in the database, the data retrieval unit retrieves relevant data from the database and supplies the relevant data to the data processing unit, the data processing unit processes and calculates all data acquired by the data acquisition module, the temperature data in the vehicle acquired by the second temperature sensor is T ℃, the second temperature sensor acquires the temperature data in the vehicle at intervals to form a set T of temperature data in the vehicleFront set={T1,T2,T3,...,TmIn which T is1,T2,T3,...,TmRepresenting the temperature data in the vehicle collected by the second temperature sensor at intervals, and the corresponding time point set is tFront set={t1,t2,t3,...,tmWhere t is1,t2,t3,...,tmRepresenting each time point of the second temperature sensor for collecting the environment in the vehicle, and calculating the variation of the temperature in the vehicle according to the following formula:
Figure 656170DEST_PATH_IMAGE015
；
wherein,
Figure DEST_PATH_IMAGE017A
represents tkTime point to tk+1The amount of change in the temperature in the vehicle at the time point,
Figure DEST_PATH_IMAGE019A
represents tk+1The temperature data in the vehicle collected at the time point,
Figure DEST_PATH_IMAGE021A
represents tkTemperature data in the vehicle collected at the time point;
calculating the change rate of the temperature in the vehicle according to the following formula:
Figure 930900DEST_PATH_IMAGE022
；
wherein,
Figure DEST_PATH_IMAGE024AAAA
represents tkTo tk+1The data processing unit transmits the processed data to the PLC at the temperature change rate in the time slot;
when in use
Figure DEST_PATH_IMAGE024_5A
＞A3When the vehicle window is opened, the PLC controller issues an operation instruction to a first execution unit, and the first execution unit controls the vehicle window to be opened by H centimeters;
when in use
Figure DEST_PATH_IMAGE024_6A
≤A3And T > A4When the vehicle window is opened, the PLC controller issues an operation instruction to a first execution unit, and the first execution unit controls the vehicle window to be opened by H centimeters;
when in use
Figure DEST_PATH_IMAGE024_7A
≤A3Or T is less than or equal to A4When the PLC controller does not issue an operation instruction to the first execution unit;
the data processing unit continues to process the data acquired by the data acquisition module, and the data calling unit calls temperature change data of H centimeters after the vehicle window is opened from the database to form a set T of temperature changesRear collection={T1,T2,T3,...,TsIn which T is1,T2,T3,...,TsThe time recording unit records time to form a set t of timeRear collection={t1,t2,t3,...,tsWhere t is1,t2,t3,...,tsRespectively representing time points when the second temperature sensor collects the temperature data in the vehicle;
calculating the variation of the temperature in the vehicle according to the following formula:
Figure 664632DEST_PATH_IMAGE025
；
wherein,
Figure DEST_PATH_IMAGE027A
represents tqTime point to tq+1The amount of change in the temperature in the vehicle at the time point,
Figure DEST_PATH_IMAGE029A
represents tq+1The temperature data in the vehicle collected at the time point,
Figure DEST_PATH_IMAGE031A
represents tqTemperature data in the vehicle collected at the time point;
calculating the change rate of the temperature in the vehicle according to the following formula:
Figure 869961DEST_PATH_IMAGE032
；
wherein,
Figure DEST_PATH_IMAGE034A
represents tqTo tq+1The data processing unit transmits the processed data to the PLC at the temperature change rate in the time slot;
when in use
Figure DEST_PATH_IMAGE036AAA
＜A5When the vehicle air conditioner is started, the PLC controller issues an operation instruction to a second execution unit, and the second execution unit controls the vehicle air conditioner to be started;
when in use
Figure DEST_PATH_IMAGE036AAAA
≥A5And T > A6When the vehicle air conditioner is started, the PLC controller issues an operation instruction to a second execution unit, and the second execution unit controls the vehicle air conditioner to be started;
when in use
Figure DEST_PATH_IMAGE036_5A
≥A5Or T < A6When the PLC does not issue an operation instruction to the second execution unit;
the size of the window opening gradually increases with decreasing L.
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