CN116176401A - Vehicle control system, method and rainfall sensor - Google Patents

Vehicle control system, method and rainfall sensor Download PDF

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Publication number
CN116176401A
CN116176401A CN202310217702.4A CN202310217702A CN116176401A CN 116176401 A CN116176401 A CN 116176401A CN 202310217702 A CN202310217702 A CN 202310217702A CN 116176401 A CN116176401 A CN 116176401A
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CN
China
Prior art keywords
vehicle
control unit
rainfall
range
illumination intensity
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Pending
Application number
CN202310217702.4A
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Chinese (zh)
Inventor
陈春建
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Shanghai Chengsheng Industrial Co ltd
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Shanghai Chengsheng Industrial Co ltd
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Publication date
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Priority to CN202310217702.4A priority Critical patent/CN116176401A/en
Publication of CN116176401A publication Critical patent/CN116176401A/en
Pending legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
    • B60Q1/02—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments
    • B60Q1/04—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights
    • B60Q1/06—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights adjustable, e.g. remotely-controlled from inside vehicle
    • B60Q1/08—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights adjustable, e.g. remotely-controlled from inside vehicle automatically
    • B60Q1/085—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights adjustable, e.g. remotely-controlled from inside vehicle automatically due to special conditions, e.g. adverse weather, type of road, badly illuminated road signs or potential dangers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating [HVAC] devices
    • B60H1/00642—Control systems or circuits; Control members or indication devices for heating, cooling or ventilating devices
    • B60H1/00735—Control systems or circuits characterised by their input, i.e. by the detection, measurement or calculation of particular conditions, e.g. signal treatment, dynamic models
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
    • B60S1/00—Cleaning of vehicles
    • B60S1/02—Cleaning windscreens, windows or optical devices
    • B60S1/04—Wipers or the like, e.g. scrapers
    • B60S1/06—Wipers or the like, e.g. scrapers characterised by the drive
    • B60S1/08—Wipers or the like, e.g. scrapers characterised by the drive electrically driven
    • B60S1/0818—Wipers or the like, e.g. scrapers characterised by the drive electrically driven including control systems responsive to external conditions, e.g. by detection of moisture, dirt or the like
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01W—METEOROLOGY
    • G01W1/00—Meteorology
    • G01W1/14—Rainfall or precipitation gauges

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Hydrology & Water Resources (AREA)
  • Thermal Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Atmospheric Sciences (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Ecology (AREA)
  • Environmental Sciences (AREA)
  • Air-Conditioning For Vehicles (AREA)

Abstract

The invention discloses a vehicle control system, a method and a rainfall sensor, comprising the following steps: the first acquisition module is used for acquiring data, wherein the data comprises rainfall data, in-vehicle temperature and illumination intensity; the main control unit is connected with the first acquisition module and used for acquiring the data, controlling the wiper and the second acquisition module to work according to the rainfall data and controlling the car lamp to work according to the illumination intensity; the second acquisition module is used for acquiring the temperature outside the vehicle and transmitting the temperature outside the vehicle to the main control unit; and the main control unit controls the air conditioner to work according to the difference value between the temperature in the vehicle and the temperature outside the vehicle. The vehicle window defogging device can actively defog before vehicle window fogging, and can treat the phenomenon of influencing driving caused by driving in rainy days without manual adjustment and control of a driver.

Description

Vehicle control system, method and rainfall sensor
Technical Field
The invention relates to the field of intelligent control of vehicles, in particular to a vehicle control system, a vehicle control method and a rainfall sensor.
Background
With the development of economy and the improvement of living standard of people, more and more people select automobiles as transportation means for traveling; according to statistics, the accident rate of driving in rainy days is 17% higher than that of driving in non-rainy days, and one reason is that the driving is hindered in rainy days, for example, rainwater falls on windows to shield vision, the rainy days are poor in light and poor in road conditions, and the temperature difference between the inside and the outside of the vehicle is large due to rainy days, so that the windows are fogged to shield the vision of a driver.
In order to avoid traffic accidents caused by these reasons, chinese patent discloses a rain sensor, an automatic wiper control system and a control method (grant bulletin number CN115416611 a), which automatically controls the opening, closing and speed of a wiper according to the detected rain by providing the rain sensor, but lacks an automatic opening or adjusting air conditioner to remove window fogging caused by large temperature difference inside and outside a rainy day vehicle and to open a vehicle lamp to cope with the phenomenon of dark light in the rainy day.
Disclosure of Invention
In order to solve the above technical problems, the present invention provides a vehicle control system, including: the first acquisition module is used for acquiring data, wherein the data comprises rainfall data, in-vehicle temperature and illumination intensity; the main control unit is connected with the first acquisition module and used for acquiring the data, controlling the wiper and the second acquisition module to work according to the rainfall data and controlling the car lamp to work according to the illumination intensity; the second acquisition module is used for acquiring the temperature outside the vehicle and transmitting the temperature outside the vehicle to the main control unit; and the main control unit controls the air conditioner to work according to the difference value between the temperature in the vehicle and the temperature outside the vehicle.
Preferably: the first acquisition module includes a rain sensor.
Preferably: the main control unit comprises a calculation module for calculating the difference value.
Preferably: the main control unit further comprises a storage module for storing a preset difference range, a preset illumination intensity range and a range of a plurality of levels of preset rainfall.
Preferably: the number of the grades in the range of the plurality of the preset rainfall grades is the same as the gear number of the windscreen wiper.
Preferably: the main control unit further comprises a comparison module for comparing the difference value with a preset difference value range, comparing the illumination intensity with a preset illumination intensity range and comparing the rainfall data with a range of a plurality of levels of the preset rainfall.
Also provided is a control method of a vehicle control system, the control method being applicable to any one of the control systems described in the above technical solutions, the control method comprising:
s1, a first acquisition module acquires rainfall data, in-vehicle temperature and illumination intensity and transmits the rainfall data, the in-vehicle temperature and the illumination intensity to a main control unit;
s2, the comparison unit of the main control unit compares the rainfall data with the ranges of a plurality of levels of the preset rainfall to obtain the current rainfall level; the comparison unit of the main control unit compares the illumination intensity with a preset illumination intensity range, and if the illumination intensity exceeds the range, the vehicle lamp is started, and if the illumination intensity exceeds the range, the vehicle lamp is closed;
s3, the master control unit selects a gear for opening the windscreen wiper according to the rainfall level and controls the second acquisition module to start working;
s4, the second acquisition module acquires the temperature outside the vehicle and transmits the temperature to the main control unit;
s5, a calculation module of the main control unit calculates and obtains a difference value between the temperature in the vehicle and the temperature outside the vehicle;
s6, the comparison module of the main control unit compares the difference value with a preset difference value range, if the difference value exceeds the range, the air conditioner is started, and if the difference value exceeds the range, the air conditioner is closed.
The rain sensor is applicable to any control system and control method in the technical scheme, and comprises a chip.
Preferably: the chip model is E527.04.
Preferably: the chip is connected with a plurality of light emitting diodes and a plurality of capacitors.
The invention has the technical effects and advantages that:
the rainfall, the temperature in the vehicle and the illumination intensity are detected through the first acquisition module, and detected data are transmitted to the main control unit. The main control unit controls the operation of the windscreen wiper according to the rainfall, and the vehicle exterior temperature acquired by the second acquisition module is combined to compare the vehicle interior temperature with the vehicle exterior temperature, and when the difference value between the vehicle exterior temperature and the vehicle interior temperature exceeds a set value, the air conditioner is controlled to operate, and the defogging can be actively carried out before the vehicle window is fogged; the main control unit also controls the work of the car lamp according to the illumination intensity. The phenomenon that driving is influenced by driving in rainy days can be processed without manual adjustment control of a driver.
Drawings
FIG. 1 is a schematic diagram of a vehicle control system according to an embodiment of the present disclosure;
FIG. 2 is a schematic diagram of a control method of a vehicle control system according to an embodiment of the present disclosure;
fig. 3 is a schematic diagram of a rainfall sensor according to an embodiment of the present application.
Detailed Description
The invention will be described in further detail with reference to the drawings and the detailed description. The embodiments of the invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.
Referring to fig. 1, in this embodiment, a vehicle control system is provided, which includes a first acquisition module for acquiring data, including rainfall data, an in-vehicle temperature, and an illumination intensity, where the first acquisition module includes a rainfall light sensor, and the optical sensor operates according to a refraction principle of light; in the optical sensor, there is a light-emitting diode which emits a cone-shaped light beam, which passes through the front windshield; when the windshield is in a dry state without rainwater, almost all light is reflected to one optical sensor, when the windshield is in a rainy state, rainwater exists on the windshield, and a part of light is deviated, so that the total amount of the light received by the sensor is changed, the existence of the rainwater is detected, and rainfall data is obtained according to the detected quantity of the raindrops.
The main control unit is connected with the first acquisition module and used for acquiring data acquired by the first acquisition module, obtaining whether the first acquisition module is rainy or not and the level of the rainfall according to the rainfall data, controlling the opening of the windscreen wiper and the second acquisition module under the condition of raining, controlling the closing of the windscreen wiper and the second acquisition module under the condition of not raining, and controlling the opening gear of the windscreen wiper according to the level of the rainfall so as to control the speed of reciprocating windscreen wiper of the windscreen wiper; meanwhile, according to the illumination intensity, controlling the work of the car lamp; the second acquisition module is used for acquiring the temperature outside the vehicle and transmitting the temperature to the main control unit, and the main control unit controls the air conditioner to work according to the difference value between the temperature inside the vehicle and the temperature outside the vehicle.
The main control unit comprises a calculation module, a storage module and a comparison module, wherein the storage module is used for storing a preset difference value range, a preset illumination intensity range and a range of a plurality of levels of preset rainfall; the calculation module is used for calculating a difference value between the temperature inside the vehicle and the temperature outside the vehicle, and transmitting the difference value to the comparison module; the comparison module is used for comparing the difference value with a preset difference value range, comparing the illumination intensity with a preset illumination intensity range and comparing the rainfall data with a range of a plurality of levels of the preset rainfall.
Referring to fig. 2, in the present embodiment, a control method of a vehicle control system is provided, including:
s1, a first acquisition module acquires rainfall data, in-vehicle temperature and illumination intensity and transmits the rainfall data, the in-vehicle temperature and the illumination intensity to a main control unit;
s2, a comparison unit of the main control unit compares the rainfall data with the ranges of a plurality of levels of the preset rainfall to obtain the current rainfall level; the comparison unit of the main control unit compares the illumination intensity with a preset illumination intensity range, and if the illumination intensity exceeds the preset illumination intensity range, the vehicle lamp is started, and if the illumination intensity exceeds the preset illumination intensity range, the vehicle lamp is closed;
s3, the main control unit selects a gear for opening the windscreen wiper according to the rainfall level and controls the second acquisition module to start working;
s4, the second acquisition module acquires the temperature outside the vehicle and transmits the temperature to the main control unit;
s5, a calculation module of the main control unit calculates and obtains a difference value between the temperature in the vehicle and the temperature outside the vehicle;
s6, the comparison module of the main control unit compares the difference value with a preset difference value range, if the difference value exceeds the range, the air conditioner is started, and if the difference value exceeds the range, the air conditioner is closed.
In the step S6, the reason for the window fogging is that the temperature difference between the inside and the outside of the vehicle is large, and two conditions exist, namely that the outside temperature is higher than the inside temperature and the outside temperature is lower than the inside temperature, respectively, in this embodiment, two sets of preset difference ranges are set, namely, a first preset difference range when the outside temperature is higher than the inside temperature and a second preset difference range when the outside temperature is lower than the inside temperature, respectively, the comparison module firstly judges whether the outside temperature is higher than the inside temperature, if so, the difference is compared with the first preset difference range, if so, warm air of the air conditioner is started when the difference exceeds the range, and the air conditioner is closed when the difference exceeds the range; otherwise, comparing the difference value with a second preset difference value range, if the difference value exceeds the range, starting cold air of the air conditioner, and if the difference value exceeds the range, closing the air conditioner.
Referring to fig. 3, in the present embodiment, a rain sensor is provided, which includes a chip, in the present embodiment, the chip is E527.04, and the chip is connected with a plurality of light emitting diodes and a plurality of capacitors, specifically: the ALS0, the ALS1, the ALS2, the ALS3 and the RS pins are all connected with a light emitting diode, the other ends of the light emitting diodes are all connected with a VREF pin, the VREF pin is also connected with a capacitor, and the other ends of the capacitors are grounded; VDDA and GNDA pins are connected, a capacitor is arranged in the middle, one end of the capacitor is connected with 3.3V voltage, and the other end of the capacitor is grounded; the VDDD pin is connected with the GNDD pin, a capacitor is arranged in the middle of the VDDD pin, one end of the capacitor is connected with 3.3V voltage, and the other end of the capacitor is grounded; ATB, TMODE and GNDL pins are all grounded; the LED A and LED B pins are connected with three light emitting diodes in series, and the other ends of the three light emitting diodes in series are connected with the power supply of the light emitting diode.
It will be apparent that the described embodiments are only some, but not all, embodiments of the invention. All other embodiments, which can be made by those skilled in the art and which are included in the embodiments of the present invention without the inventive step, are intended to be within the scope of the present invention. Structures, devices and methods of operation not specifically described and illustrated herein, unless otherwise indicated and limited, are implemented according to conventional means in the art.

Claims (10)

1. A vehicle control system, characterized by comprising:
the first acquisition module is used for acquiring data, wherein the data comprises rainfall data, in-vehicle temperature and illumination intensity;
the main control unit is connected with the first acquisition module and used for acquiring the data, controlling the wiper and the second acquisition module to work according to the rainfall data and controlling the car lamp to work according to the illumination intensity;
the second acquisition module is used for acquiring the temperature outside the vehicle and transmitting the temperature outside the vehicle to the main control unit;
and the main control unit controls the air conditioner to work according to the difference value between the temperature in the vehicle and the temperature outside the vehicle.
2. The vehicle control system of claim 1, wherein the first acquisition module includes a rain sensor.
3. The vehicle control system of claim 1, wherein the master control unit includes a calculation module for calculating the difference.
4. A vehicle control system according to claim 3, wherein the main control unit further comprises a storage module for storing a preset difference range, a preset illumination intensity range, and a preset rainfall range of a plurality of levels.
5. The vehicle control system according to claim 4, wherein the number of levels in the range of the preset rainfall levels is the same as the number of gear steps of the wiper blade.
6. The vehicle control system of claim 4, wherein the master control unit further comprises a comparison module to compare the difference with the predetermined difference range, to compare the illumination intensity with a predetermined illumination intensity range, and to compare the rainfall data with a range of the predetermined rainfall levels.
7. A control method of a vehicle control system, characterized in that the control method is applied to any one of the control systems described in the above claims 1 to 6, the control method comprising:
s1, a first acquisition module acquires rainfall data, in-vehicle temperature and illumination intensity and transmits the rainfall data, the in-vehicle temperature and the illumination intensity to a main control unit;
s2, the comparison unit of the main control unit compares the rainfall data with the ranges of a plurality of levels of the preset rainfall to obtain the current rainfall level; the comparison unit of the main control unit compares the illumination intensity with a preset illumination intensity range, and if the illumination intensity exceeds the range, the vehicle lamp is started, and if the illumination intensity exceeds the range, the vehicle lamp is closed;
s3, the master control unit selects a gear for opening the windscreen wiper according to the rainfall level and controls the second acquisition module to start working;
s4, the second acquisition module acquires the temperature outside the vehicle and transmits the temperature to the main control unit;
s5, a calculation module of the main control unit calculates and obtains a difference value between the temperature in the vehicle and the temperature outside the vehicle;
s6, the comparison module of the main control unit compares the difference value with a preset difference value range, if the difference value exceeds the range, the air conditioner is started, and if the difference value exceeds the range, the air conditioner is closed.
8. A rain sensor, characterized in that it is adapted to any one of the control systems described in the preceding claims 1-6 and the control method described in the preceding claim 7, said rain sensor comprising a chip.
9. The rainfall sensor of claim 8 where the chip model is E527.04.
10. The rainfall sensor of claim 8 wherein the chip is connected with a plurality of light emitting diodes and a plurality of capacitors.
CN202310217702.4A 2023-03-07 2023-03-07 Vehicle control system, method and rainfall sensor Pending CN116176401A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202310217702.4A CN116176401A (en) 2023-03-07 2023-03-07 Vehicle control system, method and rainfall sensor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202310217702.4A CN116176401A (en) 2023-03-07 2023-03-07 Vehicle control system, method and rainfall sensor

Publications (1)

Publication Number Publication Date
CN116176401A true CN116176401A (en) 2023-05-30

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202310217702.4A Pending CN116176401A (en) 2023-03-07 2023-03-07 Vehicle control system, method and rainfall sensor

Country Status (1)

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CN (1) CN116176401A (en)

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