CN111301121B - Method and device for controlling heat transmission of vehicle window - Google Patents
Method and device for controlling heat transmission of vehicle window Download PDFInfo
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- CN111301121B CN111301121B CN201811512176.XA CN201811512176A CN111301121B CN 111301121 B CN111301121 B CN 111301121B CN 201811512176 A CN201811512176 A CN 201811512176A CN 111301121 B CN111301121 B CN 111301121B
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- 238000000034 method Methods 0.000 title claims abstract description 38
- 230000005540 biological transmission Effects 0.000 title claims abstract description 37
- 230000007613 environmental effect Effects 0.000 claims abstract description 54
- 238000012806 monitoring device Methods 0.000 claims abstract description 50
- 238000005286 illumination Methods 0.000 claims description 163
- 238000010438 heat treatment Methods 0.000 claims description 36
- 230000001276 controlling effect Effects 0.000 claims description 34
- 230000000875 corresponding effect Effects 0.000 claims description 17
- 238000001514 detection method Methods 0.000 claims description 12
- 239000002184 metal Substances 0.000 claims description 9
- 239000004744 fabric Substances 0.000 claims description 5
- 239000002985 plastic film Substances 0.000 claims description 5
- 229920006255 plastic film Polymers 0.000 claims description 5
- 239000000463 material Substances 0.000 claims 1
- 230000033001 locomotion Effects 0.000 abstract description 10
- 239000005357 flat glass Substances 0.000 description 16
- 239000011521 glass Substances 0.000 description 10
- 239000007779 soft material Substances 0.000 description 7
- 238000010586 diagram Methods 0.000 description 5
- 230000005855 radiation Effects 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000011217 control strategy Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000005340 laminated glass Substances 0.000 description 1
- 230000006855 networking Effects 0.000 description 1
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- 230000000750 progressive effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000036561 sun exposure Effects 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
- B60J3/00—Antiglare equipment associated with windows or windscreens; Sun visors for vehicles
- B60J3/02—Antiglare equipment associated with windows or windscreens; Sun visors for vehicles adjustable in position
- B60J3/0286—Sunglare reduction by temporary translucent screens or foils removably attached to window
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
- B60R16/023—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for transmission of signals between vehicle parts or subsystems
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- Air-Conditioning For Vehicles (AREA)
Abstract
The application discloses a method for controlling the heat transmission quantity of a vehicle window, which is applied to an Electronic Control Unit (ECU), wherein the ECU detects a working mode selected by a user, receives environmental data detected by an environmental monitoring device under the condition that the working mode selected by the user is an automatic mode, and determines and outputs a reflective film control signal according to the received environmental data so that a reflective film used for isolating heat transmission between the inside and the outside of the vehicle can correspondingly act according to the reflective film control signal, thereby controlling the heat transmitted through the vehicle window. According to the method for controlling the heat transmission of the vehicle window, the movement of the reflecting film can be controlled according to the environmental data, so that the heat transmitted through the vehicle window can be reasonably controlled, the rapid rise of the temperature in the vehicle caused by insolation of the sun is prevented, and the rapid dissipation of the heat of the vehicle caused by the too low temperature outside the vehicle is prevented.
Description
Technical Field
The application relates to the technical field of automobile electronics, in particular to a method and a device for controlling heat transmission of a vehicle window.
Background
Along with the improvement of the living standard of people, the popularization rate of automobiles is higher and the requirements of people on the comfort level of the automobiles are higher. In order to ensure ventilation in the automobile, the automobile is usually provided with windows, and in order to further improve ventilation degree of the air in the automobile, a better landscape is shown, lighting effect is improved, and most automobiles are also provided with skylights. Currently, the size of windows is gradually increasing, and panoramic sunroofs are even adopted on some Sport utility vehicles (Sport/Suburban utility vehicle, SUV) and medium-grade cars.
However, increasing the size of the automobile window has the consequence that under sun exposure, the temperature in the automobile will rise sharply, thereby greatly affecting the user's riding experience.
In order to solve the problem, a few luxury automobiles adopt coated glass or heat absorption laminated glass as window glass, but in cold winter, the heat of sunlight cannot enter the automobile, the temperature in the automobile cannot be raised by means of the heat of the sunlight, and for some solar electric automobiles, insufficient sunlight can seriously influence the endurance mileage of the electric automobile.
Disclosure of Invention
In order to solve the technical problems, the application provides a method for controlling the heat transmission of a vehicle window, which can control the heat transmitted by the vehicle window according to current environmental data.
The embodiment of the application discloses the following technical scheme:
in a first aspect, an embodiment of the present application provides a method for controlling heat transmission of a vehicle window, applied to an electronic control unit ECU, where the method includes:
detecting a working mode selected by a user;
receiving environment data detected by an environment monitoring device under the condition that the working mode selected by the user is an automatic mode;
Outputting a reflective film control signal according to the environmental data, so that the reflective film performs corresponding actions according to the reflective film control signal; the reflective film is used for isolating heat transfer between the inside and the outside of the vehicle.
Optionally, the environment monitoring device comprises a temperature sensor, an illumination sensor, a vehicle window position sensor and an air conditioner opening state monitoring device;
correspondingly, the environment data comprise the temperature outside the vehicle, the temperature inside the vehicle, the illumination intensity, the vehicle window position and the open state of the air conditioner.
Optionally, the method further comprises:
the vehicle is detected as being in a start-up state or a flameout state.
Optionally, when the vehicle is in a starting state, the receiving the environmental data detected by the environmental monitoring device includes:
receiving the temperature outside the vehicle and the temperature inside the vehicle detected by the temperature sensor, receiving the illumination intensity detected by the illumination sensor, receiving the window position detected by the window position sensor, and receiving the air conditioner on state detected by the air conditioner on state detection device;
and outputting a reflective film control signal according to the environmental data, so that the reflective film performs corresponding actions according to the reflective film control signal, including:
Judging whether the temperature outside the vehicle is greater than a first temperature threshold;
if the temperature outside the vehicle is greater than the first temperature threshold, judging whether the temperature outside the vehicle is greater than a second temperature threshold, wherein the second temperature threshold is greater than the first temperature threshold, and if the temperature outside the vehicle is greater than the second temperature threshold, outputting a first reflective film control signal, wherein the first reflective film control signal can enable the reflective film to be opened to the vehicle window position; if the temperature outside the vehicle is smaller than the second temperature threshold, judging whether the illumination intensity is larger than a first illumination intensity threshold, and if the illumination intensity is larger than the first illumination intensity threshold, outputting a second reflection film control signal, wherein the second reflection film control signal can enable the reflection film to be opened to a first appointed position; if the illumination intensity is smaller than the first illumination intensity threshold, judging whether the air conditioner on state is a heating state, and if the air conditioner on state is the heating state, outputting a third reflective film control signal, wherein the third reflective film control signal can enable the reflective film to be opened to the vehicle window position; if the air conditioner is in a non-heating state, calculating a temperature difference between the temperature in the vehicle and the temperature outside the vehicle, and if the temperature difference is higher than a first temperature difference threshold, outputting a fourth reflective film control signal, wherein the fourth reflective film control signal can enable the reflective film to be opened to a second designated position; outputting a fifth reflective film control signal if the temperature difference is below the first temperature difference threshold, the fifth reflective film control signal being capable of causing the reflective film to retract;
If the temperature outside the vehicle is smaller than the first temperature threshold, judging whether the air conditioner is in a heating state or not, and if the air conditioner is in the heating state, outputting a sixth reflective film control signal, wherein the sixth reflective film control signal can enable the reflective film to be opened to the vehicle window position; if the air conditioner is in a non-heating state, judging whether the illumination intensity is larger than a second illumination intensity threshold value, and if the illumination intensity is larger than the second illumination intensity threshold value, outputting a seventh reflective film control signal, wherein the seventh reflective film control signal can enable the reflective film to be retracted; and if the illumination intensity is smaller than the second illumination intensity threshold value, outputting no signal.
Optionally, the first designated position is calculated according to the illumination intensity and the temperature outside the vehicle;
the second appointed position is calculated according to the illumination intensity, the outside temperature and the inside temperature.
Optionally, the environment monitoring device further comprises a battery power sensor;
correspondingly, the environmental data also includes the battery power.
Optionally, when the vehicle is in a flameout state, the receiving the environmental data detected by the environmental monitoring device includes:
Receiving the temperature outside the vehicle and the temperature inside the vehicle detected by the temperature sensor, receiving the illumination intensity detected by the illumination sensor, receiving the vehicle window position detected by the vehicle window position sensor, receiving the air conditioner on state detected by the air conditioner on state detection device, and receiving the electric quantity of the storage battery detected by the electric quantity sensor of the storage battery;
and outputting a reflective film control signal according to the environmental data, so that the reflective film performs corresponding actions according to the reflective film control signal, including:
judging whether the electric quantity of the storage battery is larger than a first electric quantity threshold value or not;
if the electric quantity of the storage battery is smaller than the first electric quantity threshold value, no signal is output, and the storage battery enters a dormant state;
if the electric quantity of the storage battery is larger than the first electric quantity threshold, judging whether the illumination intensity is larger than a third illumination intensity threshold, and if the illumination intensity is larger than the third illumination intensity threshold, outputting an eighth reflective film control signal, wherein the eighth reflective film control signal can control the reflective film to be completely opened; if the illumination intensity is smaller than the third illumination intensity threshold, judging whether the temperature in the vehicle is higher than a third temperature threshold, if the temperature in the vehicle is higher than the third temperature threshold, outputting a ninth reflective film control signal, wherein the ninth reflective film control signal can control the reflective film to be opened to a third designated position, and if the temperature in the vehicle is lower than the third temperature threshold, outputting a tenth reflective film control signal, and the tenth reflective film control signal can enable the reflective film to be retracted.
Optionally, the third designated position is calculated according to the temperature in the vehicle.
Optionally, the reflective film is made of soft material, and the soft material comprises a metal plastic film and metal plated cloth.
In a second aspect, an embodiment of the present application provides a device for controlling heat transmission of a vehicle window, the device including:
the detection module is used for detecting the working mode selected by the user;
the receiving module is used for receiving the environment data detected by the environment monitoring device under the condition that the working mode selected by the user is an automatic mode;
the output module is used for outputting a reflective film control signal according to the environmental data so that the reflective film performs corresponding actions according to the reflective film control signal; the reflective film is used for isolating heat transfer between the inside and the outside of the vehicle.
Optionally, the environment monitoring device comprises a temperature sensor, an illumination sensor, a vehicle window position sensor and an air conditioner opening state monitoring device;
correspondingly, the environment data comprise the temperature outside the vehicle, the temperature inside the vehicle, the illumination intensity, the vehicle window position and the open state of the air conditioner.
Optionally, the detection module is further configured to:
the vehicle is detected as being in a start-up state or a flameout state.
Optionally, when the vehicle is in a starting state, the receiving module is specifically configured to:
receiving the temperature outside the vehicle and the temperature inside the vehicle detected by the temperature sensor, receiving the illumination intensity detected by the illumination sensor, receiving the window position detected by the window position sensor, and receiving the air conditioner on state detected by the air conditioner on state detection device;
the output module is specifically configured to:
judging whether the temperature outside the vehicle is greater than a first temperature threshold;
if the temperature outside the vehicle is greater than the first temperature threshold, judging whether the temperature outside the vehicle is greater than a second temperature threshold, wherein the second temperature threshold is greater than the first temperature threshold, and if the temperature outside the vehicle is greater than the second temperature threshold, outputting a first reflective film control signal, wherein the first reflective film control signal can enable the reflective film to be opened to the vehicle window position; if the temperature outside the vehicle is smaller than the second temperature threshold, judging whether the illumination intensity is larger than a first illumination intensity threshold, and if the illumination intensity is larger than the first illumination intensity threshold, outputting a second reflection film control signal, wherein the second reflection film control signal can enable the reflection film to be opened to a first appointed position; if the illumination intensity is smaller than the first illumination intensity threshold, judging whether the air conditioner on state is a heating state, and if the air conditioner on state is the heating state, outputting a third reflective film control signal, wherein the third reflective film control signal can enable the reflective film to be opened to the vehicle window position; if the air conditioner is in a non-heating state, calculating a temperature difference between the temperature in the vehicle and the temperature outside the vehicle, and if the temperature difference is higher than a first temperature difference threshold, outputting a fourth reflective film control signal, wherein the fourth reflective film control signal can enable the reflective film to be opened to a second designated position; outputting a fifth reflective film control signal if the temperature difference is below the first temperature difference threshold, the fifth reflective film control signal being capable of causing the reflective film to retract;
If the temperature outside the vehicle is smaller than the first temperature threshold, judging whether the air conditioner is in a heating state or not, and if the air conditioner is in the heating state, outputting a sixth reflective film control signal, wherein the sixth reflective film control signal can enable the reflective film to be opened to the vehicle window position; if the air conditioner is in a non-heating state, judging whether the illumination intensity is larger than a second illumination intensity threshold value, and if the illumination intensity is larger than the second illumination intensity threshold value, outputting a seventh reflective film control signal, wherein the seventh reflective film control signal can enable the reflective film to be retracted; and if the illumination intensity is smaller than the second illumination intensity threshold value, outputting no signal.
Optionally, the first designated position is calculated according to the illumination intensity and the temperature outside the vehicle;
the second appointed position is calculated according to the illumination intensity, the outside temperature and the inside temperature.
Optionally, the environment monitoring device further comprises a battery power sensor;
correspondingly, the environmental data also includes the battery power.
Optionally, when the vehicle is in a flameout state, the receiving module is specifically configured to:
Receiving the temperature outside the vehicle and the temperature inside the vehicle detected by the temperature sensor, receiving the illumination intensity detected by the illumination sensor, receiving the vehicle window position detected by the vehicle window position sensor, receiving the air conditioner on state detected by the air conditioner on state detection device, and receiving the electric quantity of the storage battery detected by the electric quantity sensor of the storage battery;
the output module is specifically configured to:
judging whether the electric quantity of the storage battery is larger than a first electric quantity threshold value or not;
if the electric quantity of the storage battery is smaller than the first electric quantity threshold value, no signal is output, and the storage battery enters a dormant state;
if the electric quantity of the storage battery is larger than the first electric quantity threshold, judging whether the illumination intensity is larger than a third illumination intensity threshold, and if the illumination intensity is larger than the third illumination intensity threshold, outputting an eighth reflective film control signal, wherein the eighth reflective film control signal can control the reflective film to be completely opened; if the illumination intensity is smaller than the third illumination intensity threshold, judging whether the temperature in the vehicle is higher than a third temperature threshold, if the temperature in the vehicle is higher than the third temperature threshold, outputting a ninth reflective film control signal, wherein the ninth reflective film control signal can control the reflective film to be opened to a third designated position, and if the temperature in the vehicle is lower than the third temperature threshold, outputting a tenth reflective film control signal, and the tenth reflective film control signal can enable the reflective film to be retracted.
Optionally, the third designated position is calculated according to the temperature in the vehicle.
Optionally, the reflective film is made of soft material, and the soft material comprises a metal plastic film and metal plated cloth.
As can be seen from the above technical solution, the method for controlling heat transmission of a vehicle window provided by the embodiment of the present application is applied to an electronic control unit (Electronic Control Unit, ECU), where the ECU detects a working mode selected by a user, receives environmental data detected by an environmental monitoring device in the case where the working mode selected by the user is an automatic mode, and determines and outputs a reflective film control signal according to the received environmental data, so that a reflective film for isolating heat transmission between the vehicle interior and the vehicle exterior can perform a corresponding action according to the reflective film control signal, thereby controlling heat transmitted through the vehicle window. According to the method for controlling the heat transmission of the vehicle window, the movement of the reflecting film can be controlled according to the environmental data, so that the heat transmitted through the vehicle window can be reasonably controlled, the rapid rise of the temperature in the vehicle caused by insolation of the sun is prevented, and the rapid dissipation of the heat of the vehicle caused by the too low temperature outside the vehicle is prevented.
Drawings
In order to more clearly illustrate the embodiments of the application or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the application, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.
FIG. 1 is a schematic diagram of a reflective film adjusting system according to an embodiment of the present application;
fig. 2 is a flow chart of a method for controlling heat transmission of a vehicle window according to an embodiment of the present application;
FIG. 3 is a schematic flow chart of determining a reflective film control signal in a start state according to an embodiment of the present application;
FIG. 4 is a schematic flow chart of determining a reflective film control signal in a flameout state according to an embodiment of the present application;
FIG. 5 is a schematic diagram of a position of a reflective film according to an embodiment of the present application;
fig. 6 is a schematic structural diagram of a device for controlling heat transmission of a vehicle window according to an embodiment of the present application.
Detailed Description
In order to make the present application better understood by those skilled in the art, the following description will clearly and completely describe the technical solutions in the embodiments of the present application with reference to the accompanying drawings, and it is apparent that the described embodiments are only some embodiments of the present application, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
The terms "first," "second," "third," "fourth" and the like in the description and in the claims and in the above drawings, if any, are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that the embodiments of the application described herein may be implemented, for example, in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
The embodiment of the application provides a method for controlling the heat transmission of a vehicle window, which can control the heat transmitted by the vehicle window according to the environmental data of the current environment of the vehicle.
The following describes the core technical ideas of the method for controlling the heat transmission of the vehicle window provided by the embodiment of the application:
The method for controlling the heat transmission of the vehicle window is applied to an electronic control unit (Electronic Control Unit, ECU), the ECU detects a working mode selected by a user, receives environmental data detected by an environmental monitoring device under the condition that the working mode selected by the user is an automatic mode, and determines and outputs a reflective film control signal according to the received environmental data, so that a reflective film for isolating heat transmission between the inside and the outside of the vehicle can perform corresponding actions according to the reflective film control signal, and heat transmitted through the vehicle window is controlled. According to the method for controlling the heat transmission of the vehicle window, the movement of the reflecting film can be controlled according to the environmental data, so that the heat transmitted through the vehicle window can be reasonably controlled, the rapid rise of the temperature in the vehicle caused by insolation of the sun is prevented, and the rapid dissipation of the heat of the vehicle caused by the too low temperature outside the vehicle is prevented.
It should be noted that, the method for controlling the heat transmission capacity of the vehicle window provided by the embodiment of the application is mostly applied to controlling the movement of the reflective film installed on the sunroof of the vehicle, and of course, the method for controlling the heat transmission capacity of the vehicle window can also be applied to controlling the movement of the reflective film installed on other vehicle windows around the vehicle.
In the case of a window glass with a sunshade, the reflective film is usually located between the window glass and the window sunshade; in the case of a window glass without a sunshade, the reflective film is located behind the window glass, i.e., on the passenger compartment side.
In order to further understand the method for controlling the heat transmission of the vehicle window according to the embodiment of the present application, a reflective film adjustment system applied to the method for controlling the heat transmission of the vehicle window will be described below with reference to fig. 1.
Referring to fig. 1, fig. 1 is a schematic structural diagram of a reflective film adjusting system according to an embodiment of the present application. As shown in fig. 1, the reflective film adjusting system includes an environment monitoring device, an ECU, and a reflective film driving motor, wherein the environment monitoring device may include: temperature sensor, illumination sensor, door window position sensor, air conditioner state of opening monitoring devices and battery electric quantity sensor etc..
Each component in the environment monitoring device correspondingly detects environment data of the current environment of the vehicle, the detected environment data is sent to the ECU, accordingly, the ECU generates a reflective film control signal according to the environment data received by the ECU, and outputs the reflective film control signal to a reflective film driving motor, and the reflective film driving motor can enable the reflective film to execute corresponding actions according to the reflective film control signal, so that heat transmitted through a vehicle window is controlled.
The method for controlling the heat transmission capacity of the vehicle window provided by the embodiment of the application is described in the following by way of example:
referring to fig. 2, fig. 2 is a flow chart of a method for controlling heat transmission of a vehicle window according to an embodiment of the application. As shown in fig. 2, the method for controlling the heat transmission of the vehicle window comprises the following steps:
step 201: the user selected mode of operation is detected.
The ECU detects the working mode selected by the user, and if the mode selected by the user through the mode selection switch is detected to be an automatic mode, the ECU is allowed to control the heat transmitted through the vehicle window through automatically controlling the movement of the reflecting film by the user.
Step 202: and receiving the environment data detected by the environment monitoring device under the condition that the working mode selected by the user is an automatic mode.
When the working mode selected by the user is detected to be an automatic mode, the environment monitoring device detects environment data of the current environment of the automobile, and then the detected environment data is sent to the ECU, and the ECU correspondingly receives the environment data detected by the environment monitoring device.
Optionally, before the ECU receives the environmental data sent by the environmental monitoring device, the ECU may also detect that the vehicle is currently in a start state or a flameout state, so as to control the heat transmitted by the vehicle window by using different control strategies in the start state and the flameout state.
When the ECU detects that the vehicle is in a flameout state at present, the ECU can control all the reflecting films related to the window glass on the vehicle, and particularly comprises the reflecting films related to the front windshield glass, the front door window glass, the rear windshield glass and the skylight glass; when the ECU detects that the vehicle is currently in a starting state, the ECU only controls the skylight glass, the rear door window glass and the reflecting film related to the rear windshield glass in consideration of driving safety.
Otherwise, if the ECU detects that the mode selected by the user through the mode selection switch is a manual mode, the fact that the user selects not to start the motion of the automatic control reflecting film is indicated, and the user can manually adjust the reflecting film arranged between the window glass and the window sunshade curtain. When the user selects the manual mode, if the environment monitoring device detects that the temperature in the vehicle is too high or the electric quantity of the electric power storage meets the automatic control requirement, the ECU sends a prompt to the user through the vehicle networking system so as to prompt the user to start the automatic mode.
Alternatively, the environment monitoring device may include a temperature sensor, an illumination sensor, a window position sensor, and an air conditioner on state monitoring device. Accordingly, the environmental data detected by the environmental monitoring device may include: the temperature outside and inside the vehicle detected by the temperature sensor, the illumination intensity detected by the illumination sensor, the window position detected by the window position sensor, and the air-conditioner on state detected by the air-conditioner on state monitoring device.
Accordingly, the ECU receiving the environmental data transmitted by the environmental monitoring device includes:
the method comprises the steps of receiving the temperature outside the vehicle and the temperature inside the vehicle detected by a temperature sensor, receiving the illumination intensity detected by an illumination sensor, receiving the position of a vehicle window detected by a vehicle window position sensor, and receiving the air conditioner starting state detected by an air conditioner starting state detecting device.
Optionally, when the vehicle is in a flameout state, the environment monitoring device may further include a battery power sensor, and accordingly, the environment data detected by the environment monitoring device may further include the battery power detected by the battery power sensor.
Accordingly, the ECU receiving the environmental data transmitted by the environmental monitoring device includes:
the method comprises the steps of receiving the temperature outside the vehicle detected by a temperature sensor and the temperature inside the vehicle, receiving the illumination intensity detected by an illumination sensor, receiving the position of the vehicle window detected by a vehicle window position sensor, receiving the air conditioner starting state detected by an air conditioner starting state detecting device, and receiving the electric quantity of a storage battery detected by a storage battery electric quantity sensor.
Step 203: outputting a reflective film control signal according to the environmental data, so that the reflective film performs corresponding actions according to the reflective film control signal; the reflective film is used for isolating heat transfer between the inside and the outside of the vehicle.
After the ECU receives the environmental data sent by the environmental monitoring device, the ECU determines how to control the reflecting film to move according to the received environmental data, namely determines a reflecting film control signal, and then outputs the reflecting film control signal to the reflecting film driving motor so that the reflecting film driving motor drives the reflecting film to execute corresponding actions, and the reflecting film is positioned between the window glass and the window sunshade curtain.
Alternatively, the implementation of the ECU determining the reflective film control signal is shown in fig. 3 when the ECU detects that the vehicle is currently in a start state.
The ECU judges whether the temperature outside the vehicle is greater than a first temperature threshold b1;
if the temperature outside the automobile is greater than the first temperature threshold value b1, continuously judging whether the temperature outside the automobile is greater than the second temperature threshold value b2, wherein the second temperature threshold value b2 is greater than the first temperature threshold value b1, if the temperature outside the automobile is also greater than the second temperature threshold value b2, indicating that the temperature outside the automobile is higher at the moment, correspondingly, the ECU outputs a first reflective film control signal, the first reflective film control signal can enable the reflective film driving motor to drive the reflective film to open to the automobile window position, and if the automobile window is closed at the moment, the first reflective film control signal enables the reflective film to be fully opened, so that heat outside the automobile is prevented from entering the automobile, and the temperature inside the automobile is too high.
If the temperature outside the vehicle is smaller than the second temperature threshold b2, judging whether the illumination intensity is larger than the first illumination intensity threshold c1, if the illumination intensity is larger than the first illumination intensity threshold c1, indicating that the temperature outside the vehicle is not too high, but the illumination intensity is strong, correspondingly, the ECU outputs a second reflective film control signal, and the second reflective film control signal can enable the reflective film driving motor to drive the reflective film to be opened to a first designated position; the first designated position is calculated by the ECU according to the current illumination intensity, the temperature outside the vehicle, and the temperature inside the vehicle, and when the first designated position is specifically calculated, the first designated position may be calculated by using formula (1):
wherein x is the opening position of the window glass, c is the average specific heat capacity of the ornament in the passenger cabin, m is the average weight of the ornament in the passenger cabin, T 0 For the target temperature in the passenger compartment, it is usually set to 25 ℃ which is the optimum environment temperature for human body, T 1 Is the temperature of the outside environment of the vehicle, T 2 The temperature in the vehicle is alpha, the heat exchange coefficient in the vehicle is inside and outside, P is the solar radiation intensity, beta is the heat exchange coefficient (the heat exchange coefficient generated after solar light passes through glass), and S is the area of the window glass.
The T is as follows 1 、T 2 And P are signals acquired by the sensor; alpha is the heat exchange coefficient inside and outside the vehicle, the coefficient is determined by the temperature inside and outside the vehicle, the temperature difference and the vehicle, the coefficient changes along with the change of the temperature, beta is the heat exchange coefficient generated after sunlight passes through glass, and is mainly determined by the relative solar radiation, the infrared transmittance of the glass, the heat absorption coefficient of an interior trim part and the like, and the alpha and the beta need to be controlled and calibrated, namely a calibration database is established, and different coefficients are calibrated for vehicles of different types; c. m is determined by the vehicle itself, and is different for different models of vehicles and different for different vehicles.
If the illumination intensity is smaller than a first illumination intensity threshold value c1, continuously judging whether the air conditioner is in a heating state or not, if the air conditioner is in the heating state, indicating that the current temperature in the vehicle is lower, correspondingly, outputting a third reflective film control signal by the ECU, wherein the third reflective film control signal can enable the reflective film driving motor to drive the reflective film to be opened to the vehicle window position, and preventing heat in the vehicle from being dissipated; if the air conditioner is in a non-heating state, calculating the temperature difference between the temperature in the vehicle and the temperature outside the vehicle, if the temperature difference is higher than a first temperature difference threshold w1, indicating that the temperature in the vehicle is more different from the temperature outside the vehicle, correspondingly, the ECU outputs a fourth reflective film control signal, wherein the fourth reflective film control signal can enable the reflective film driving motor to drive the reflective film to be opened to a second designated position, the second designated position is calculated by the ECU according to the illumination intensity, the temperature outside the vehicle and the temperature inside the vehicle, a specific calculation method of the second designated position is the same as a specific calculation method of the first designated position, but a calibration coefficient adopted for calculating the second designated position may be different from a calibration coefficient adopted for calculating the first designated position; if the temperature difference is lower than the first temperature difference threshold w1, the fact that the temperature difference between the inside and the outside of the vehicle is not much is indicated, and correspondingly, the ECU outputs a fifth reflective film control signal which can enable the reflective film driving motor to drive the reflective film to retract.
If the temperature outside the vehicle is smaller than the first temperature threshold b1, continuously judging whether the air conditioner is in a heating state, if the air conditioner is in the heating state, indicating that the temperature outside the vehicle is lower, and the vehicle is being heated, correspondingly, the ECU outputs a sixth reflective film control signal, and the sixth reflective film control signal can enable the reflective film driving motor to drive the reflective film to be opened to the vehicle window position, so that the heat loss in the vehicle is prevented; if the air conditioner is in a non-heating state, judging whether the illumination intensity is larger than a second illumination intensity threshold value c2, if the illumination intensity is larger than the second illumination intensity threshold value c2, indicating that the illumination intensity outside the vehicle is stronger, correspondingly, the ECU outputs a seventh reflective film control signal, and the seventh reflective film control signal can enable the reflective film driving motor to drive the reflective film to retract, so that the temperature inside the vehicle is increased by utilizing the illumination intensity; if the illumination intensity is smaller than the second illumination intensity threshold c2, no signal is output.
It should be understood that the first temperature threshold b1, the second temperature threshold b2, the first illumination intensity threshold c1, the second illumination intensity threshold c2, and the first temperature difference threshold w1 may be set to specific values according to actual situations, and the specific values are not limited herein.
Alternatively, the implementation of the ECU determining the reflective film control signal when the ECU detects that the vehicle is currently in a flameout state is shown in fig. 4.
The ECU judges whether the electric quantity of the storage battery is larger than a first electric quantity threshold value a1 or not;
if the electric quantity of the storage battery is smaller than the first electric quantity threshold value a1, the current electric quantity of the storage battery is insufficient, and the storage battery is not suitable for controlling the automatic movement of the reflecting film, so that no signal is output, and the storage battery enters a dormant state.
If the electric quantity of the storage battery is larger than the first electric quantity threshold value a1, judging whether the illumination intensity is larger than a third illumination intensity threshold value c3, if the illumination intensity is larger than the third illumination intensity threshold value c3, the illumination intensity outside the vehicle is stronger, and accordingly, the ECU outputs an eighth reflective film control signal which can control the reflective film driving motor to drive the reflective film to be completely opened in order to prevent the temperature in the vehicle from rising rapidly due to the excessively strong illumination.
If the illumination intensity is smaller than the third illumination intensity threshold c3, judging whether the temperature in the vehicle is higher than a third temperature threshold b3, if the temperature in the vehicle is higher than the third temperature threshold b3, indicating that the temperature in the vehicle is higher at this time, correspondingly, the ECU outputs a ninth reflective film control signal, where the ninth reflective film control signal can control the reflective film driving motor to drive the reflective film to open to a third designated position, where the third designated position is calculated by the ECU according to the temperature in the vehicle, and when the third designated position is specifically calculated, the third designated position may be calculated by using formula (2):
Wherein x is the opening position of the window glass, c is the average specific heat capacity of the ornament in the passenger cabin, m is the average weight of the ornament in the passenger cabin, T 0 For the target temperature in the passenger compartment, it is usually set to 25 ℃ which is the optimum environment temperature for human body, T 2 The temperature in the vehicle is alpha, the heat exchange coefficient in the vehicle is inside and outside, P is the solar radiation intensity, beta is the heat exchange coefficient (the heat exchange coefficient generated after solar light passes through glass), and S is the area of the window glass.
If the temperature in the vehicle is lower than the third temperature threshold b3, the fact that the temperature in the vehicle is lower at the moment is indicated, and accordingly, the ECU outputs a tenth reflective film control signal, and the tenth reflective film control signal can enable the reflective film driving motor to drive the reflective film to retract, so that the temperature in the vehicle is increased by using heat outside the vehicle.
The position of the reflective film is shown in fig. 5, and for a window including a sunshade, the reflective film is located between the window glass and the window sunshade; for windows that do not include a sunshade, the reflective film is positioned behind the window glass. The reflective film is usually a soft material, and may be a metal plastic film or a metal plated cloth.
The method for controlling the heat transmission of the vehicle window is applied to the ECU, the ECU detects the working mode selected by a user, receives the environmental data detected by the environmental monitoring device under the condition that the working mode selected by the user is an automatic mode, and determines and outputs a reflective film control signal according to the received environmental data, so that the reflective film for isolating heat transmission between the inside and the outside of the vehicle can perform corresponding actions according to the reflective film control signal, and the heat transmitted through the vehicle window is controlled. According to the method for controlling the heat transmission of the vehicle window, the movement of the reflecting film can be controlled according to the environmental data, so that the heat transmitted through the vehicle window can be reasonably controlled, the rapid rise of the temperature in the vehicle caused by insolation of the sun is prevented, and the rapid dissipation of the heat of the vehicle caused by the too low temperature outside the vehicle is prevented.
The embodiment of the application also provides a device for controlling the heat transmission of the vehicle window, as shown in fig. 6, which is a schematic structural diagram of the device for controlling the heat transmission of the vehicle window, and the device for controlling the heat transmission of the vehicle window comprises:
a detection module 601, configured to detect a working mode selected by a user;
a receiving module 602, configured to receive environmental data detected by an environmental monitoring device when the operation mode selected by the user is an automatic mode;
an output module 603, configured to output a reflective film control signal according to the environmental data, so that the reflective film performs a corresponding action according to the reflective film control signal; the reflective film is used for isolating heat transfer between the inside and the outside of the vehicle.
Optionally, the environment monitoring device comprises a temperature sensor, an illumination sensor, a vehicle window position sensor and an air conditioner opening state monitoring device;
correspondingly, the environment data comprise the temperature outside the vehicle, the temperature inside the vehicle, the illumination intensity, the vehicle window position and the open state of the air conditioner.
Optionally, the detection module 601 is further configured to:
the vehicle is detected as being in a start-up state or a flameout state.
Optionally, when the vehicle is in a starting state, the receiving module 602 is specifically configured to:
Receiving the temperature outside the vehicle and the temperature inside the vehicle detected by the temperature sensor, receiving the illumination intensity detected by the illumination sensor, receiving the window position detected by the window position sensor, and receiving the air conditioner on state detected by the air conditioner on state detection device;
the output module 603 is specifically configured to:
judging whether the temperature outside the vehicle is greater than a first temperature threshold;
if the temperature outside the vehicle is greater than the first temperature threshold, judging whether the temperature outside the vehicle is greater than a second temperature threshold, wherein the second temperature threshold is greater than the first temperature threshold, and if the temperature outside the vehicle is greater than the second temperature threshold, outputting a first reflective film control signal, wherein the first reflective film control signal can enable the reflective film to be opened to the vehicle window position; if the temperature outside the vehicle is smaller than the second temperature threshold, judging whether the illumination intensity is larger than a first illumination intensity threshold, and if the illumination intensity is larger than the first illumination intensity threshold, outputting a second reflection film control signal, wherein the second reflection film control signal can enable the reflection film to be opened to a first appointed position; if the illumination intensity is smaller than the first illumination intensity threshold, judging whether the air conditioner on state is a heating state, and if the air conditioner on state is the heating state, outputting a third reflective film control signal, wherein the third reflective film control signal can enable the reflective film to be opened to the vehicle window position; if the air conditioner is in a non-heating state, calculating a temperature difference between the temperature in the vehicle and the temperature outside the vehicle, and if the temperature difference is higher than a first temperature difference threshold, outputting a fourth reflective film control signal, wherein the fourth reflective film control signal can enable the reflective film to be opened to a second designated position; outputting a fifth reflective film control signal if the temperature difference is below the first temperature difference threshold, the fifth reflective film control signal being capable of causing the reflective film to retract;
If the temperature outside the vehicle is smaller than the first temperature threshold, judging whether the air conditioner is in a heating state or not, and if the air conditioner is in the heating state, outputting a sixth reflective film control signal, wherein the sixth reflective film control signal can enable the reflective film to be opened to the vehicle window position; if the air conditioner is in a non-heating state, judging whether the illumination intensity is larger than a second illumination intensity threshold value, and if the illumination intensity is larger than the second illumination intensity threshold value, outputting a seventh reflective film control signal, wherein the seventh reflective film control signal can enable the reflective film to be retracted; and if the illumination intensity is smaller than the second illumination intensity threshold value, outputting no signal.
Optionally, the first designated position is calculated according to the illumination intensity and the temperature outside the vehicle;
the second appointed position is calculated according to the illumination intensity, the outside temperature and the inside temperature.
Optionally, the environment monitoring device further comprises a battery power sensor;
correspondingly, the environmental data also includes the battery power.
Optionally, when the vehicle is in a flameout state, the receiving module 602 is specifically configured to:
Receiving the temperature outside the vehicle and the temperature inside the vehicle detected by the temperature sensor, receiving the illumination intensity detected by the illumination sensor, receiving the vehicle window position detected by the vehicle window position sensor, receiving the air conditioner on state detected by the air conditioner on state detection device, and receiving the electric quantity of the storage battery detected by the electric quantity sensor of the storage battery;
the output module 603 is specifically configured to:
judging whether the electric quantity of the storage battery is larger than a first electric quantity threshold value or not;
if the electric quantity of the storage battery is smaller than the first electric quantity threshold value, no signal is output, and the storage battery enters a dormant state;
if the electric quantity of the storage battery is larger than the first electric quantity threshold, judging whether the illumination intensity is larger than a third illumination intensity threshold, and if the illumination intensity is larger than the third illumination intensity threshold, outputting an eighth reflective film control signal, wherein the eighth reflective film control signal can control the reflective film to be completely opened; if the illumination intensity is smaller than the third illumination intensity threshold, judging whether the temperature in the vehicle is higher than a third temperature threshold, if the temperature in the vehicle is higher than the third temperature threshold, outputting a ninth reflective film control signal, wherein the ninth reflective film control signal can control the reflective film to be opened to a third designated position, and if the temperature in the vehicle is lower than the third temperature threshold, outputting a tenth reflective film control signal, and the tenth reflective film control signal can enable the reflective film to be retracted.
Optionally, the third designated position is calculated according to the temperature in the vehicle.
Optionally, the reflective film is made of soft material, and the soft material comprises a metal plastic film and metal plated cloth.
According to the device for controlling the heat transmission quantity of the vehicle window, provided by the embodiment of the application, when the working mode selected by a user is detected to be the automatic mode, the environment data detected by the environment monitoring device are received, and the reflective film control signal is determined and output according to the received environment data, so that the reflective film for isolating heat transmission between the inside and the outside of the vehicle can perform corresponding actions according to the reflective film control signal, and the heat penetrating through the vehicle window is controlled. The device for controlling the heat transmission of the vehicle window can control the movement of the reflecting film according to the environmental data, so that the heat transmitted through the vehicle window is reasonably controlled, the rapid rise of the temperature in the vehicle caused by insolation of the sun is prevented, and the rapid dissipation of the heat of the vehicle caused by the too low temperature outside the vehicle is prevented.
It should be noted that, in the present specification, each embodiment is described in a progressive manner, and identical and similar parts of each embodiment are all referred to each other, and each embodiment is mainly described in a different point from other embodiments. In particular, for the apparatus and system embodiments, since they are substantially similar to the method embodiments, the description is relatively simple, with reference to the description of the method embodiments in part. The apparatus and system embodiments described above are merely illustrative, in which elements illustrated as separate elements may or may not be physically separate, and elements shown as elements may or may not be physical elements, may be located in one place, or may be distributed over a plurality of network elements. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of this embodiment. Those of ordinary skill in the art will understand and implement the present application without undue burden.
The foregoing is only one specific embodiment of the present application, but the scope of the present application is not limited thereto, and any changes or substitutions easily contemplated by those skilled in the art within the technical scope of the present application should be included in the scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.
Claims (5)
1. A method of controlling heat transmission of a vehicle window, applied to an electronic control unit ECU, the method comprising:
detecting a working mode selected by a user;
detecting that the vehicle is in a starting state or a flameout state under the condition that the working mode selected by the user is an automatic mode, and receiving environment data detected by an environment monitoring device, wherein the environment monitoring device comprises a temperature sensor, an illumination sensor, a storage battery electric quantity sensor, a vehicle window position sensor and an air conditioner starting state monitoring device, and the environment data comprises an outside temperature, an inside temperature, illumination intensity, storage battery electric quantity, a vehicle window position and an air conditioner starting state;
outputting a reflective film control signal according to the environmental data, so that the reflective film performs corresponding actions according to the reflective film control signal; the reflecting film is used for isolating heat transfer between the inside and the outside of the vehicle;
Wherein, when the vehicle is in a starting state, the receiving environment data detected by the environment monitoring device includes:
receiving the temperature outside the vehicle and the temperature inside the vehicle detected by the temperature sensor, receiving the illumination intensity detected by the illumination sensor, receiving the window position detected by the window position sensor, and receiving the air conditioner on state detected by the air conditioner on state monitoring device;
and outputting a reflective film control signal according to the environmental data, so that the reflective film performs corresponding actions according to the reflective film control signal, including:
judging whether the temperature outside the vehicle is greater than a first temperature threshold;
if the temperature outside the vehicle is greater than the first temperature threshold, judging whether the temperature outside the vehicle is greater than a second temperature threshold, wherein the second temperature threshold is greater than the first temperature threshold, and if the temperature outside the vehicle is greater than the second temperature threshold, outputting a first reflective film control signal, wherein the first reflective film control signal can enable the reflective film to be opened to the vehicle window position; if the temperature outside the vehicle is smaller than the second temperature threshold, judging whether the illumination intensity is larger than a first illumination intensity threshold, and if the illumination intensity is larger than the first illumination intensity threshold, outputting a second reflection film control signal, wherein the second reflection film control signal can enable the reflection film to be opened to a first appointed position; if the illumination intensity is smaller than the first illumination intensity threshold, judging whether the air conditioner on state is a heating state, and if the air conditioner on state is the heating state, outputting a third reflective film control signal, wherein the third reflective film control signal can enable the reflective film to be opened to the vehicle window position; if the air conditioner is in a non-heating state, calculating a temperature difference between the temperature in the vehicle and the temperature outside the vehicle, and if the temperature difference is higher than a first temperature difference threshold, outputting a fourth reflective film control signal, wherein the fourth reflective film control signal can enable the reflective film to be opened to a second designated position; outputting a fifth reflective film control signal if the temperature difference is below the first temperature difference threshold, the fifth reflective film control signal being capable of causing the reflective film to retract;
If the temperature outside the vehicle is smaller than the first temperature threshold, judging whether the air conditioner is in a heating state or not, and if the air conditioner is in the heating state, outputting a sixth reflective film control signal, wherein the sixth reflective film control signal can enable the reflective film to be opened to the vehicle window position; if the air conditioner is in a non-heating state, judging whether the illumination intensity is larger than a second illumination intensity threshold value, and if the illumination intensity is larger than the second illumination intensity threshold value, outputting a seventh reflective film control signal, wherein the seventh reflective film control signal can enable the reflective film to be retracted; if the illumination intensity is smaller than the second illumination intensity threshold value, no signal is output;
wherein, when the vehicle is in a flameout state, the receiving environmental data detected by the environmental monitoring device includes:
receiving the temperature outside the vehicle and the temperature inside the vehicle detected by the temperature sensor, receiving the illumination intensity detected by the illumination sensor, receiving the vehicle window position detected by the vehicle window position sensor, receiving the air conditioner on state detected by the air conditioner on state monitoring device, and receiving the electric quantity of the storage battery detected by the electric quantity sensor of the storage battery;
And outputting a reflective film control signal according to the environmental data, so that the reflective film performs corresponding actions according to the reflective film control signal, including:
judging whether the electric quantity of the storage battery is larger than a first electric quantity threshold value or not;
if the electric quantity of the storage battery is smaller than the first electric quantity threshold value, no signal is output, and the storage battery enters a dormant state;
if the electric quantity of the storage battery is larger than the first electric quantity threshold, judging whether the illumination intensity is larger than a third illumination intensity threshold, and if the illumination intensity is larger than the third illumination intensity threshold, outputting an eighth reflective film control signal, wherein the eighth reflective film control signal can control the reflective film to be completely opened; if the illumination intensity is smaller than the third illumination intensity threshold, judging whether the temperature in the vehicle is higher than a third temperature threshold, if the temperature in the vehicle is higher than the third temperature threshold, outputting a ninth reflective film control signal, wherein the ninth reflective film control signal can control the reflective film to be opened to a third designated position, and if the temperature in the vehicle is lower than the third temperature threshold, outputting a tenth reflective film control signal, and the tenth reflective film control signal can enable the reflective film to be retracted.
2. The method of claim 1, wherein the first designated location is calculated from the illumination intensity and the off-board temperature;
the second appointed position is calculated according to the illumination intensity, the outside temperature and the inside temperature.
3. The method of claim 1, wherein the third designated location is calculated based on the in-vehicle temperature.
4. The method of claim 1, wherein the reflective film is a flexible material comprising a metal plastic film, a metallized cloth.
5. A device for controlling heat transmission of a vehicle window, the device comprising:
the detection module is used for detecting the working mode selected by the user; the receiving module is used for receiving environment data detected by the environment monitoring device under the condition that the working mode selected by the user is an automatic mode, wherein the environment monitoring device comprises a temperature sensor, an illumination sensor, a storage battery electric quantity sensor, a vehicle window position sensor and an air conditioner starting state monitoring device, and the environment data comprises an outside vehicle temperature, an inside vehicle temperature, illumination intensity, storage battery electric quantity, a vehicle window position and an air conditioner starting state;
The output module is used for outputting a reflective film control signal according to the environmental data so that the reflective film performs corresponding actions according to the reflective film control signal; the reflecting film is used for isolating heat transfer between the inside and the outside of the vehicle;
wherein, the detection module is further used for:
detecting whether the vehicle is in a starting state or a flameout state;
the receiving module is specifically configured to, when the vehicle is in a starting state:
receiving the temperature outside the vehicle and the temperature inside the vehicle detected by the temperature sensor, receiving the illumination intensity detected by the illumination sensor, receiving the window position detected by the window position sensor, and receiving the air conditioner on state detected by the air conditioner on state monitoring device;
the output module is specifically configured to:
judging whether the temperature outside the vehicle is greater than a first temperature threshold;
if the temperature outside the vehicle is greater than the first temperature threshold, judging whether the temperature outside the vehicle is greater than a second temperature threshold, wherein the second temperature threshold is greater than the first temperature threshold, and if the temperature outside the vehicle is greater than the second temperature threshold, outputting a first reflective film control signal, wherein the first reflective film control signal can enable the reflective film to be opened to the vehicle window position; if the temperature outside the vehicle is smaller than the second temperature threshold, judging whether the illumination intensity is larger than a first illumination intensity threshold, and if the illumination intensity is larger than the first illumination intensity threshold, outputting a second reflection film control signal, wherein the second reflection film control signal can enable the reflection film to be opened to a first appointed position; if the illumination intensity is smaller than the first illumination intensity threshold, judging whether the air conditioner on state is a heating state, and if the air conditioner on state is the heating state, outputting a third reflective film control signal, wherein the third reflective film control signal can enable the reflective film to be opened to the vehicle window position; if the air conditioner is in a non-heating state, calculating a temperature difference between the temperature in the vehicle and the temperature outside the vehicle, and if the temperature difference is higher than a first temperature difference threshold, outputting a fourth reflective film control signal, wherein the fourth reflective film control signal can enable the reflective film to be opened to a second designated position; outputting a fifth reflective film control signal if the temperature difference is below the first temperature difference threshold, the fifth reflective film control signal being capable of causing the reflective film to retract;
If the temperature outside the vehicle is smaller than the first temperature threshold, judging whether the air conditioner is in a heating state or not, and if the air conditioner is in the heating state, outputting a sixth reflective film control signal, wherein the sixth reflective film control signal can enable the reflective film to be opened to the vehicle window position; if the air conditioner is in a non-heating state, judging whether the illumination intensity is larger than a second illumination intensity threshold value, and if the illumination intensity is larger than the second illumination intensity threshold value, outputting a seventh reflective film control signal, wherein the seventh reflective film control signal can enable the reflective film to be retracted; if the illumination intensity is smaller than the second illumination intensity threshold value, no signal is output;
wherein, when the vehicle is in a flameout state, the receiving environmental data detected by the environmental monitoring device includes:
receiving the temperature outside the vehicle and the temperature inside the vehicle detected by the temperature sensor, receiving the illumination intensity detected by the illumination sensor, receiving the vehicle window position detected by the vehicle window position sensor, receiving the air conditioner on state detected by the air conditioner on state monitoring device, and receiving the electric quantity of the storage battery detected by the electric quantity sensor of the storage battery;
And outputting a reflective film control signal according to the environmental data, so that the reflective film performs corresponding actions according to the reflective film control signal, including:
judging whether the electric quantity of the storage battery is larger than a first electric quantity threshold value or not;
if the electric quantity of the storage battery is smaller than the first electric quantity threshold value, no signal is output, and the storage battery enters a dormant state;
if the electric quantity of the storage battery is larger than the first electric quantity threshold, judging whether the illumination intensity is larger than a third illumination intensity threshold, and if the illumination intensity is larger than the third illumination intensity threshold, outputting an eighth reflective film control signal, wherein the eighth reflective film control signal can control the reflective film to be completely opened; if the illumination intensity is smaller than the third illumination intensity threshold, judging whether the temperature in the vehicle is higher than a third temperature threshold, if the temperature in the vehicle is higher than the third temperature threshold, outputting a ninth reflective film control signal, wherein the ninth reflective film control signal can control the reflective film to be opened to a third designated position, and if the temperature in the vehicle is lower than the third temperature threshold, outputting a tenth reflective film control signal, and the tenth reflective film control signal can enable the reflective film to be retracted.
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