In-vehicle environment regulation and control device and vehicle

Abstract

The utility model relates to an in-vehicle environment regulation and control device and a vehicle. The in-vehicle environment regulation and control device comprises a power supply circuit, a monitoring circuit, an execution circuit and a control circuit which are independently packaged. The control circuit comprises a single-chip microcomputer, a clock circuit and a reset circuit. The power supply circuit comprises at least two photovoltaic power generation circuits, at least one photovoltaic power generation circuit supplies power to the control circuit, and at least one photovoltaic power generation circuit supplies power to the execution circuit; the monitoring circuit comprises at least one sensor and is used for transmitting monitoring signals to the single-chip microcomputer. The execution circuit comprises a motor drive circuit and an alarm circuit. The device can monitor the temperature, gas and sound in the vehicle to execute corresponding control logic, and realizes effective exhaust and cooling in the vehicle and real-time remote alarm so as to slow down the aging phenomenon in the vehicle, reduce harmful gas generated by exposure, keep the environment in the vehicle comfortable and protect the life safety of passengers in the vehicle.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of vehicle component manufacturing, in particular to an in-vehicle environment regulating device and a vehicle. BACKGROUND

[0002] In hot summer, the temperature in the vehicle parked in the open air under the strong sunlight will rise rapidly, harmful gases will be produced, which will seriously affect the driving and riding experience and cause safety hazards. And in high temperature environment, aging phenomena such as cracking of leather seats and deformation of plastic parts will occur, which will accelerate the aging and deformation of the vehicle and shorten its service life. Even in the case of passengers in the vehicle, the high temperature environment and harmful gases in the vehicle may even threaten the safety of the passengers.

[0003] Therefore, it is urgent to design a device that can monitor, ventilate and intelligently alarm the internal environment of the vehicle under hot conditions. CONTENT OF THE UTILITY MODEL

[0004] In order to overcome the shortcomings of the prior art, the present application provides an in-vehicle environment regulating device and a vehicle, which specifically adopts the following technical solutions:

[0005] An in-vehicle environment regulating device, the device comprises a power supply circuit, a monitoring circuit, an execution circuit and a control circuit which are independently encapsulated;

[0006] The control circuit comprises a single-chip microcomputer, a clock circuit and a reset circuit, the single-chip microcomputer comprises a signal input interface and a signal output interface, wherein the signal input interface receives the monitoring signal of the monitoring circuit; the signal output interface transmits the control signal to the execution circuit; the clock circuit transmits the clock signal to the single-chip microcomputer, and the reset circuit provides the reset signal to the single-chip microcomputer;

[0007] The power supply circuit comprises at least two photovoltaic power generation circuits, wherein at least one photovoltaic power generation circuit supplies power to the control circuit, and at least one photovoltaic power generation circuit supplies power to the execution circuit;

[0008] The monitoring circuit comprises at least one sensor, and the sensor transmits the monitoring signal to the single-chip microcomputer of the control circuit respectively;

[0009] The execution circuit comprises a motor drive circuit and an alarm circuit, wherein the motor drive circuit receives the control signal of the single-chip microcomputer; the alarm circuit receives the control signal of the single-chip microcomputer.

[0010] Optionally, the photovoltaic power generation circuit comprises a photovoltaic power generation panel and a charging voltage stabilizing circuit, wherein the charging voltage stabilizing circuit comprises a voltage stabilizer chip, a first capacitor, a second capacitor, a third capacitor and a fourth capacitor, wherein the voltage stabilizer chip is provided with at least one input pin, at least one output pin and a ground pin, the input pin of the voltage stabilizer chip is connected to the power output interface of the photovoltaic power generation panel, and the input pin of the voltage stabilizer chip is connected in parallel to one end of the first capacitor and the second capacitor, and the other end of the first capacitor and the second capacitor is connected to the ground pin; the output pin of the voltage stabilizer chip is connected to the power input interface of the single-chip microcomputer or the execution circuit, and the output pin of the voltage stabilizer chip is connected in parallel to one end of the third capacitor and the fourth capacitor, and the other end of the third capacitor and the fourth capacitor is connected to the ground pin.

[0011] Optionally, the motor driving circuit comprises a fan motor, a first resistor, a second resistor, a first diode and a first triode, wherein one end of the fan motor and the first resistor is connected in parallel to the power output interface of the power supply circuit, and the other end of the fan motor and the first resistor is connected to the collector of the first triode; meanwhile, the cathode of the first diode is connected to the power output interface of the power supply circuit, and the anode of the first diode is connected to the collector of the first triode; the emitter of the first triode is grounded, the base of the first triode is connected to the signal output interface of the single-chip microcomputer, and the second resistor is connected between the base and the emitter of the first triode.

[0012] Optionally, the alarm circuit comprises a light alarm circuit and a sound alarm circuit,

[0013] The light alarm circuit comprises a light-emitting diode and a third resistor, wherein one end of the third resistor is connected to the signal output interface of the single-chip microcomputer, the other end of the third resistor is connected to the anode of the light-emitting diode, and the cathode of the light-emitting diode is grounded;

[0014] The sound alarm circuit comprises a buzzer, a fourth resistor and a second triode, wherein the emitter of the second triode is connected to the power output interface of the power supply circuit, one end of the buzzer is connected in series to the collector of the second triode, and the other end of the buzzer is grounded; one end of the fourth resistor is connected to the base of the second triode, and the other end of the fourth resistor is connected to the signal output interface of the single-chip microcomputer.

[0015] Optionally, the alarm circuit further comprises an information alarm circuit, the information alarm circuit comprises a communication chip, wherein the communication chip is provided with at least two power supply pins, two communication pins and a reset pin, one power supply pin of the communication chip is connected to the power supply output interface of the power supply circuit, and the other power supply pin is grounded; one communication pin of the communication chip is connected to the signal output interface of the single-chip microcomputer, and the other communication pin of the communication chip is connected to the signal input interface of the single-chip microcomputer; and the reset pin of the communication chip is connected to the signal output interface of the single-chip microcomputer.

[0016] Optionally, the monitoring circuit comprises a temperature and humidity monitoring circuit; the temperature and humidity monitoring circuit comprises a temperature and humidity sensor and a fifth resistor, wherein the temperature and humidity sensor is provided with at least two power supply pins and a data pin, one power supply pin of the temperature and humidity sensor is connected to the power supply output interface of the power supply circuit, and the other power supply pin is grounded; the data pin of the temperature and humidity sensor is connected to the signal input interface of the single-chip microcomputer; and one end of the fifth resistor is connected to the data pin, and the other end of the fifth resistor is connected to the power supply pin close to the power supply output interface.

[0017] Optionally, the monitoring circuit further comprises a gas monitoring circuit and a sound monitoring circuit.

[0018] The gas monitoring circuit comprises a gas detection sensor, the gas detection sensor is provided with at least two power supply pins and a data pin, one power supply pin of the gas detection sensor is connected to the power supply output interface of the power supply circuit, and the other power supply pin is grounded; and the data pin of the gas detection sensor is connected to the signal input interface of the single-chip microcomputer.

[0019] The sound monitoring circuit comprises a sound monitoring sensor, the sound monitoring sensor is provided with at least two power supply pins and a data pin, one power supply pin of the sound monitoring sensor is connected to the power supply output interface of the power supply circuit, and the other power supply pin is grounded; and the data pin of the sound monitoring sensor is connected to the signal input interface of the single-chip microcomputer.

[0020] Optionally, the clock circuit comprises at least two crystal elements, wherein two ends of each crystal element are connected to one end of a fifth capacitor and a sixth capacitor respectively, and the other end of the fifth capacitor and the sixth capacitor is grounded; one end of the crystal element is connected in parallel to the signal input interface of the single-chip microcomputer, and the other end of the crystal element is connected in parallel to the signal output interface of the single-chip microcomputer.

[0021] Optionally, the reset circuit comprises a reset switch, a seventh capacitor and a sixth resistor, one end of the sixth resistor is connected to the power supply output interface of the power supply circuit, the other end of the sixth resistor is connected in parallel with one end of the reset switch and the seventh capacitor, the other end of the reset switch and the seventh capacitor is grounded; a connection point is arranged between the reset switch and the sixth resistor, and the connection point is connected to the signal input interface of the single-chip microcomputer.

[0022] In addition, the application also discloses a vehicle which is provided with the in-vehicle environment regulating device.

[0023] Beneficial effects

[0024] The technical scheme of the application has the following beneficial effects:

[0025] (1) The in-vehicle environment regulating device of the application can monitor the temperature, gas and sound in the vehicle and execute corresponding control logic, realize multi-signal cooperative processing, ensure response accuracy and real-time performance, realize effective exhaust cooling and real-time remote alarm in the vehicle, slow down the aging phenomenon such as cracking of equipment and deformation of plastic parts in the vehicle, reduce harmful gases generated by exposure to the sun, maintain a comfortable environment in the vehicle, and protect the life safety of the vehicle and passengers, especially for young children, to ensure the safety of children in the case of no one in the vehicle.

[0026] (2) The in-vehicle environment regulating device of the application is powered by double solar power generation, combined with a charging voltage stabilizing module and an energy storage battery, to ensure stable operation of the system in a sun exposure environment, avoid dependence on the vehicle storage battery, reduce additional energy consumption, reduce carbon emissions in the corresponding electric energy production process, and produce significant energy saving and emission reduction benefits.

[0027] (3) The in-vehicle environment regulating device of the application integrates a temperature and humidity sensor, a gas concentration sensor and a high-sensitivity sound sensor, which can monitor the temperature, gas concentration and high-decibel sound (such as baby crying) in the vehicle in real time, and trigger different execution logic to realize exhaust cooling and remote alarm.

[0028] (4) The in-vehicle environment regulating device of the application adopts modular design, independently encapsulates the power supply, monitoring, control and execution parts, and the device can be adapted to vehicle window installation, reducing the space occupation in the vehicle. BRIEF DESCRIPTION OF DRAWINGS

[0029] Figure 1 The structure of the in-vehicle environment regulating device in the embodiment of the application is shown in the figure.

[0030] Figure 2 The interface diagram of the single-chip microcomputer in the embodiment of the application is shown in the figure.

[0031] Figure 3It is a schematic diagram of the principle of the charging voltage stabilizing circuit in the embodiment of the present application.

[0032] Figure 4 It is a schematic diagram of the principle of the indicator light circuit in the embodiment of the present application.

[0033] Figure 5 It is a schematic diagram of the principle of the temperature and humidity monitoring circuit in the embodiment of the present application.

[0034] Figure 6 It is a schematic diagram of the principle of the gas monitoring circuit in the embodiment of the present application.

[0035] Figure 7 It is a schematic diagram of the principle of the sound monitoring circuit in the embodiment of the present application.

[0036] Figure 8 It is a schematic diagram of the principle of the motor driving circuit in the embodiment of the present application.

[0037] Figure 9 It is a schematic diagram of the principle of the light alarm circuit in the embodiment of the present application.

[0038] Figure 10 It is a schematic diagram of the principle of the sound alarm circuit in the embodiment of the present application.

[0039] Figure 11 It is a schematic diagram of the principle of the information alarm circuit in the embodiment of the present application.

[0040] Figure 12 It is a schematic diagram of the principle of the single-chip microcomputer execution logic based on the monitoring signal in the embodiment of the present application.

[0041] Figure 13 It is a schematic diagram of the principle of the clock circuit in the embodiment of the present application.

[0042] Figure 14 It is a schematic diagram of the principle of the reset circuit in the embodiment of the present application.

[0043] Figure 15 It is a schematic diagram of the principle of the display screen connection circuit in the embodiment of the present application.

[0044] Figure 16 It is a schematic diagram of the principle of the operation button connection circuit in the embodiment of the present application. DETAILED DESCRIPTION

[0045] The present application will be further described below in conjunction with the accompanying drawings. The following embodiments are only used to more clearly illustrate the technical solutions of the present application, and cannot be used to limit the protection scope of the present application. It should be pointed out that the following detailed description is exemplary, and is intended to provide further description of the present application.

[0046] As Figure 1As shown, the embodiment specifically discloses an in-vehicle environment regulation device, which can be applied to in-vehicle environment monitoring, regulation and alarm. In detail, the device includes independently encapsulated power supply circuit, monitoring circuit, execution circuit and control circuit. The device can be driven by solar power generation, ensuring stable operation of the system under solar exposure and effectively reducing power consumption. By real-time monitoring of the temperature and harmful gases in the vehicle, the fan is intelligently turned on for ventilation, effectively cooling and removing harmful gases. Through real-time monitoring of temperature and sound, children trapped in the vehicle can be found in time, and real-time remote alarm can be given. The device not only slows down the aging phenomena such as cracking of leather seats and deformation of plastic parts, but also reduces harmful gases generated by exposure, maintains a comfortable in-vehicle environment, protects the health of passengers and children, and ensures the safety of children's lives.

[0047] Specifically, the control circuit in the embodiment of the application includes a single-chip microcomputer, a clock circuit and a reset circuit, which are combined Figure 2 As shown, the single-chip microcomputer preferably adopts STM32F103C8T6, which includes a plurality of signal input interfaces and a plurality of signal output interfaces, wherein the signal input interfaces receive monitoring signals from the monitoring circuit; and the signal output interfaces transmit control signals to the execution circuit.

[0048] The power supply circuit in the embodiment includes at least two photovoltaic power generation circuits, wherein at least one photovoltaic power generation circuit supplies power to the control circuit, and at least one photovoltaic power generation circuit supplies power to the execution circuit.

[0049] More specifically, the photovoltaic power generation circuit includes a photovoltaic power generation panel and a charging and voltage stabilizing circuit, which are combined Figure 3 As shown, the charging and voltage stabilizing circuit includes a voltage stabilizer chip U14, a capacitor C1, a capacitor C2, a capacitor C3 and a capacitor C4, wherein the voltage stabilizer chip U14 is provided with an input pin 3, an output pin 2 and a ground pin 1, the input pin 3 of the voltage stabilizer chip U14 is connected to the power output interface of the photovoltaic power generation panel, i.e. VCC5, to input the voltage generated by the photovoltaic power generation panel into the voltage stabilizer chip U14, and the input pin 3 of the voltage stabilizer chip U14 is connected in parallel to one end of the first capacitor C1 and the second capacitor C2, the other end of the first capacitor C1 and the second capacitor C2 is grounded, i.e. connected to the GND terminal; the output pin 2 of the voltage stabilizer chip U14 is connected to the power input interface of the single-chip microcomputer or the execution circuit to provide a stable voltage of 3.3V, and the output pin 2 of the voltage stabilizer chip U14 is connected in parallel to one end of the third capacitor C3 and the fourth capacitor C4, the other end of the third capacitor C3 and the fourth capacitor C4 is grounded, i.e. connected to the GND terminal. The ground pin 1 of the voltage stabilizer chip U14 is also grounded.

[0050] In addition, the photovoltaic power generation circuit in the embodiment also has a pilot lamp circuit for displaying the power supply, as shown in Figure 4 which includes a resistor R2 and a light emitting diode LED6, one end of the resistor R2 is connected to the power output interface of the charging voltage stabilizing circuit, i.e. VCC3.3, the other end of the resistor R2 is connected to one end of the light emitting diode LED6, the other end of the light emitting diode LED6 is grounded. When the power supply circuit generates power, the current is output through the power output interface of the charging voltage stabilizing circuit, at this time the light emitting diode LED6 emits light.

[0051] Further, the monitoring circuit includes at least one sensor, the sensor respectively transmits a monitoring signal to the single-chip microcomputer of the control circuit, the monitoring circuit in the embodiment includes a temperature and humidity monitoring circuit, a gas monitoring circuit and a sound monitoring circuit; wherein the temperature and humidity monitoring circuit is used for monitoring the temperature and humidity in the vehicle; the gas monitoring circuit is used for monitoring the concentration of a certain gas in the vehicle; the sound monitoring circuit is used for monitoring the sound in the vehicle, such as the crying of children.

[0052] In detail, combined with Figure 5 shown, the temperature and humidity monitoring circuit in the embodiment includes a temperature and humidity sensor DTH11 and a resistor R112, wherein the temperature and humidity sensor has at least two power supply pins and one data pin, one power supply pin VDD of the temperature and humidity sensor is connected to the power output interface of the power supply circuit, the other power supply pin GND is grounded; the data pin DATA of the temperature and humidity sensor is connected to the signal input interface DATA2 of the single-chip microcomputer; one end of the resistor R112 is connected to the data pin DATA, the other end of the resistor R112 is connected to the power supply pin VDD close to the power output interface. Through data interaction between the data pin DATA and the signal input interface DATA2 of the single-chip microcomputer, the collected temperature and humidity information can be sent to the single-chip microcomputer for processing, display or further control.

[0053] In detail, combined with Figure 6 shown, the gas monitoring circuit in the embodiment includes a gas detection sensor J47, and the gas detection sensor J47 in the embodiment preferably has at least two power supply pins and one data pin, one power supply pin of the gas detection sensor is connected to the power output interface VCC3.3 of the power supply circuit, the other power supply pin is grounded, i.e. connected to GND; the data pin of the gas detection sensor J47 is connected to the signal input interface ADC1 of the single-chip microcomputer; through the data pin of the gas detection sensor J47 connected to the signal input interface ADC1, the conversion from analog quantity to digital quantity can be realized, the analog signal collected by the gas detection sensor J47 is converted into a digital signal and input into the single-chip microcomputer for processing, display or further control.

[0054] In more detail, combined withFigure 7 As shown, the sound monitoring circuit comprises a sound monitoring sensor SY, which is provided with at least two power supply pins and one data pin, one power supply pin of the sound monitoring sensor SY is connected to the power supply output interface VCC3.3 of the power supply circuit, and the other power supply pin is grounded; the data pin of the sound monitoring sensor SY is connected to the signal input interface ADC2 of the single-chip microcomputer. By connecting the data pin of the sound monitoring sensor SY to the signal input interface ADC2, the analog signal collected by the sound monitoring sensor SY can be converted into a digital signal and input into the single-chip microcomputer for processing, display or further control.

[0055] The execution part in the embodiment of the application is used to realize two functions of ventilation and alarm: the ventilation function is realized by a motor and a fan; the alarm function is realized by an AIR780E firmware short message module, a buzzer and an LED red lamp. The execution circuit comprises a motor driving circuit and an alarm circuit, and the alarm circuit comprises a light alarm circuit, a sound alarm circuit and an information alarm circuit. The motor driving circuit receives the control signal of the single-chip microcomputer to control the rotation of the fan motor and realize ventilation; the alarm circuit receives the control signal of the single-chip microcomputer to control the AIR780E firmware short message module, the buzzer and the LED red lamp to realize the functions of remote short message alarm and sound and light alarm.

[0056] Specifically, in combination with Figure 8 As shown, the motor driving circuit in the embodiment comprises a fan motor U32, a resistor R113, a resistor R114, a diode D34 and a triode Q45, wherein the power supply output interface VCC5 of the power supply circuit is connected in parallel with one end of the fan motor U32 and the resistor R114, the other end of the fan motor U32 and the resistor R114 is connected to the collector of the triode Q45; meanwhile, the cathode of the diode D34 is connected to the power supply output interface VCC5 of the power supply circuit, and the anode of the diode D34 is connected to the collector of the triode Q45; the emitter of the triode Q45 is grounded, the base of the triode Q45 is connected to the signal output interface OUTPUT1 of the single-chip microcomputer, and the second resistor R113 is connected between the base and the emitter of the triode Q45. The control level output by the single-chip microcomputer OUTPUT1 is shunted through the resistor R113 and then connected to the base of the triode Q45, thereby controlling the conduction or cut-off of the triode Q45 and realizing the on-off control of the fan motor.

[0057] More specifically, in combination with Figure 9As shown, the light alarm circuit of the embodiment includes a light emitting diode D35 and a resistor R116, wherein one end of the resistor R116 is connected to the signal output interface OUTPUT3 of the single-chip microcomputer, the other end of the resistor R116 is connected to the anode of the light emitting diode D35, and the cathode of the light emitting diode D35 is grounded. When the OUTPUT3 of the single-chip microcomputer outputs a high level, the current flows into the light emitting diode D35 after being limited by the resistor R116, so that the light emitting diode D35 emits light. When the output is a low level, the diode is extinguished.

[0058] More specifically, in combination with Figure 10 As shown, the sound alarm circuit of the embodiment includes a buzzer BUZZER24, a resistor R115, and a triode Q46, wherein the emitter of the triode Q46 is connected to the power supply output interface VCC3.3 of the power supply circuit, the collector of the triode Q46 is connected in series to one end of the buzzer BUZZER24, and the other end of the buzzer BUZZER24 is grounded. The base of the triode Q46 is connected to one end of the resistor R115, and the other end of the resistor R115 is connected to the signal output interface BEEP of the single-chip microcomputer.

[0059] Further, in combination with Figure 11 As shown, the information alarm circuit of the embodiment includes a communication chip U5, wherein the communication chip U5 is provided with at least two power supply pins, two communication pins, and a reset pin. One power supply pin VCC of the communication chip U5 is connected to the power supply output interface VCC3.3 of the power supply circuit, and the other power supply pin GND is grounded. One communication pin RXD of the communication chip U5 is connected to the signal output interface USART2_TX of the single-chip microcomputer for receiving signals of the single-chip microcomputer and sending alarm messages to an external communication mobile phone. The other communication pin TXD of the communication chip U5 is connected to the signal input interface USART2_RX of the single-chip microcomputer for transmitting signals to the single-chip microcomputer and sending information of the external communication mobile phone to the single-chip microcomputer. The reset pin RST of the communication chip U5 is connected to the signal output interface WIFI_RST of the single-chip microcomputer for resetting the communication chip U5 to restore the initial state.

[0060] In combination with Figure 12 As shown, when the air temperature in the vehicle is greater than 38℃ or the benzene concentration is higher than 0.1mg / m 3 , the fan is started to ventilate and reduce the temperature in the vehicle, as shown in (a) of FIG. 15. Figure 12 When the air temperature in the vehicle is too high (greater than 50℃) and a high-decibel noise (baby crying) is detected, the buzzer alarms, the warning light turns on, and an alarm message is sent to the set mobile phone number, as shown in (a) of FIG. 15. Figure 12 ​

[0061] Further, the clock circuit in the embodiment of the application transmits a clock signal to the single-chip microcomputer, and provides a stable clock signal for the single-chip microcomputer through an external clock circuit; the reset circuit provides a reset signal to the single-chip microcomputer, so that the single-chip microcomputer returns to an initial state when the single-chip microcomputer is powered on or manually reset.

[0062] Specifically, as shown in Figure 13 The clock circuit includes at least two crystal elements X1 and X2, wherein two ends of the crystal element X1 are connected to one end of the capacitor C62 and the capacitor C63 respectively, and the other ends of the capacitor C62 and the capacitor C63 are grounded; one end of the crystal element X1 is connected in parallel to a signal input interface PD0-OSC_IN of the single-chip microcomputer, and the other end of the crystal element is connected in parallel to a signal output interface PD0-OSC_OUT of the single-chip microcomputer. Similarly, two ends of the crystal element X2 are connected to one end of the capacitor C18 and the capacitor C61 respectively, and the other ends of the capacitor C18 and the capacitor C61 are grounded; one end of the crystal element X2 is connected in parallel to a signal input interface PC14-OSC32_IN of the single-chip microcomputer, and the other end of the crystal element is connected in parallel to a signal output interface PC14-OSC32_OUT of the single-chip microcomputer. The crystal element X1 is a high-frequency crystal commonly used in a system clock, and provides a higher-frequency clock signal for a chip such as a single-chip microcomputer, which is used in a high-speed operation and data processing scenario. The crystal element X2 belongs to a low-frequency crystal, and is commonly used in an RTC (real-time clock) module, which can provide an accurate timing signal for a system with low power consumption.

[0063] Further, as shown in Figure 14 The reset circuit includes a reset switch KEY2, a capacitor C64, and a resistor R16, one end of the resistor R16 is connected to a power supply output interface VCC of the power supply circuit, the other end of the resistor R16 is connected in parallel to one end of the reset switch KEY2 and the capacitor C64, the other ends of the reset switch KEY2 and the capacitor C64 are grounded, a connection point is arranged between the reset switch KEY2 and the resistor R16, and the connection point is connected to a signal input interface RESET of the single-chip microcomputer. When the KEY2 is pressed, the RESET pin is short-circuited with the GND, and the RESET pin level is pulled low; after the KEY2 is released, the RESET pin returns to a normal level, and triggers a chip reset.

[0064] In addition, the control circuit of the embodiment further includes a display screen and operation buttons, such as Figure 15As shown, it is a connection circuit of the display screen, which includes a ground pin GND, a power supply pin VCC, a clock line pin SCL and a data line pin SDA. The ground pin GND is connected to zero potential to provide potential reference for the display screen; the power supply pin VCC is connected to a 3.3V power supply to power the display screen; the clock line pin SCL is used to transmit a clock signal in the I2C communication protocol to coordinate the data transmission timing sequence between the single-chip microcomputer and the display screen. The data line pin SDA is used for bidirectional data transmission in the I2C communication, and the single-chip microcomputer sends display data, instructions and the like to the display screen through this pin and can also receive response data of the display screen. As shown in FIG. 6, the display screen is connected to the single-chip microcomputer through the connection circuit of the display screen. Figure 16 As shown, it is a connection circuit of the operation keys, and the embodiment is provided with three operation keys, specifically including a key KEY5, a key KEY7 and a key KEY11. The three operation keys are respectively connected to signal input interfaces INPUT3, INPUT4 and INPUT5 of the single-chip microcomputer. When the operation keys are not pressed, the INPUT3, INPUT4 and INPUT5 pins are pulled high to high level through pull-up resistors; when the operation keys are pressed, the corresponding pins are conducted with the GND, and the level is pulled low to low level. By detecting the level change of these input pins, it can be judged whether the keys are pressed or not, which is commonly used to realize human-computer interaction, such as menu selection, function start / stop and the like.

[0065] The above only describes the preferred embodiments of the present application, and it should be noted that, for those skilled in the art, without departing from the technical principles of the present application, a number of improvements and modifications can be made, and these improvements and modifications should also be considered as the protection scope of the present application.

Claims

1. An in-vehicle environment control device characterized by comprising: The device comprises independently packaged power supply circuit, monitoring circuit, execution circuit and control circuit; The control circuit comprises single-chip microcomputer, clock circuit and reset circuit, the single-chip microcomputer comprises signal input interface and signal output interface, wherein the signal input interface receives the monitoring signal of the monitoring circuit; the signal output interface transmits control signal to the execution circuit; the clock circuit transmits clock signal to the single-chip microcomputer, and the reset circuit provides reset signal to the single-chip microcomputer; The power supply circuit comprises at least two photovoltaic power generation circuits, wherein at least one photovoltaic power generation circuit supplies power to the control circuit, and at least one photovoltaic power generation circuit supplies power to the execution circuit; The monitoring circuit comprises at least one sensor, which transmits monitoring signal to the single-chip microcomputer of the control circuit respectively; The execution circuit comprises motor drive circuit and alarm circuit, wherein the motor drive circuit receives the control signal of the single-chip microcomputer; the alarm circuit receives the control signal of the single-chip microcomputer.

2. The in-vehicle environmental conditioning apparatus according to claim 1, characterized by, The photovoltaic power generation circuit comprises photovoltaic power generation panel and charging voltage stabilizing circuit, wherein the charging voltage stabilizing circuit comprises voltage stabilizer chip, first capacitor, second capacitor, third capacitor and fourth capacitor, wherein the voltage stabilizer chip is provided with at least one input pin, at least one output pin and ground pin, the input pin of the voltage stabilizer chip is connected to the power output interface of the photovoltaic power generation panel, and the input pin of the voltage stabilizer chip is connected in parallel to one end of the first capacitor and the second capacitor, and the other end of the first capacitor and the second capacitor is connected to the ground pin; the output pin of the voltage stabilizer chip is connected to the power input interface of the single-chip microcomputer or the execution circuit, and the output pin of the voltage stabilizer chip is connected in parallel to one end of the third capacitor and the fourth capacitor, and the other end of the third capacitor and the fourth capacitor is connected to the ground pin.

3. The in-vehicle environmental conditioning apparatus of claim 1, wherein, The motor drive circuit comprises fan motor, first resistor, second resistor, first diode and first triode, wherein the power output interface of the power supply circuit is connected in parallel to one end of the fan motor and the first resistor, the other end of the fan motor and the first resistor is connected to the collector of the first triode; meanwhile, the cathode of the first diode is connected to the power output interface of the power supply circuit, the anode of the first diode is connected to the collector of the first triode; the emitter of the first triode is grounded, the base of the first triode is connected to the signal output interface of the single-chip microcomputer, and the second resistor is connected between the base and the emitter of the first triode.

4. The in-vehicle environmental conditioning apparatus of claim 1, wherein The alarm circuit comprises light alarm circuit and sound alarm circuit, The light alarm circuit comprises light emitting diode and third resistor, wherein one end of the third resistor is connected to the signal output interface of the single-chip microcomputer, the other end of the third resistor is connected to the anode of the light emitting diode, and the cathode of the light emitting diode is grounded; The sound alarm circuit comprises a buzzer, a fourth resistor and a second triode, wherein the emitter of the second triode is connected to the power output interface of the power supply circuit, one end of the buzzer is connected in series to the collector of the second triode, and the other end of the buzzer is connected to the ground; the base of the second triode is connected to one end of the fourth resistor, and the other end of the fourth resistor is connected to the signal output interface of the single-chip microcomputer.

5. The in-vehicle environmental conditioning apparatus of claim 1, wherein The alarm circuit further comprises an information alarm circuit, and the information alarm circuit comprises a communication chip, wherein the communication chip is provided with at least two power supply pins, two communication pins and one reset pin, one power supply pin of the communication chip is connected to the power output interface of the power supply circuit, and the other power supply pin is connected to the ground; one communication pin of the communication chip is connected to the signal output interface of the single-chip microcomputer, and the other communication pin of the communication chip is connected to the signal input interface of the single-chip microcomputer; the reset pin of the communication chip is connected to the signal output interface of the single-chip microcomputer.

6. The in-vehicle environmental conditioning apparatus of claim 1, wherein The monitoring circuit comprises a temperature and humidity monitoring circuit; the temperature and humidity monitoring circuit comprises a temperature and humidity sensor and a fifth resistor, wherein the temperature and humidity sensor is provided with at least two power supply pins and one data pin, one power supply pin of the temperature and humidity sensor is connected to the power output interface of the power supply circuit, and the other power supply pin is connected to the ground; the data pin of the temperature and humidity sensor is connected to the signal input interface of the single-chip microcomputer; one end of the fifth resistor is connected to the data pin, and the other end of the fifth resistor is connected to the power supply pin close to the power output interface.

7. The in-vehicle environmental conditioning apparatus of claim 1, wherein, The monitoring circuit further comprises a gas monitoring circuit and a sound monitoring circuit; The gas monitoring circuit comprises a gas detection sensor, and the gas detection sensor is provided with at least two power supply pins and one data pin, one power supply pin of the gas detection sensor is connected to the power output interface of the power supply circuit, and the other power supply pin is connected to the ground; the data pin of the gas detection sensor is connected to the signal input interface of the single-chip microcomputer; The sound monitoring circuit comprises a sound monitoring sensor, and the sound monitoring sensor is provided with at least two power supply pins and one data pin, one power supply pin of the sound monitoring sensor is connected to the power output interface of the power supply circuit, and the other power supply pin is connected to the ground; the data pin of the sound monitoring sensor is connected to the signal input interface of the single-chip microcomputer.

8. The in-vehicle environmental conditioning apparatus of claim 1, wherein, The clock circuit comprises at least two crystal elements, wherein two ends of each crystal element are connected to one end of a fifth capacitor and a sixth capacitor respectively, and the other ends of the fifth capacitor and the sixth capacitor are connected to the ground; one end of the crystal element is connected in parallel to the signal input interface of the single-chip microcomputer, and the other end of the crystal element is connected in parallel to the signal output interface of the single-chip microcomputer.

9. The in-vehicle environmental conditioning apparatus of claim 1, wherein, The reset circuit comprises a reset switch, a seventh capacitor and a sixth resistor, one end of the sixth resistor is connected to the power supply output interface of the power supply circuit, the other end of the sixth resistor is connected in parallel to one end of the reset switch and the seventh capacitor, the other end of the reset switch and the seventh capacitor is connected to the ground; a connection point is arranged between the reset switch and the sixth resistor, and the connection point is connected to the signal input interface of the single-chip microcomputer.

10. A vehicle characterized by comprising: The vehicle is provided with the in-vehicle environment regulating device according to any one of claims 1-9.

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