Intelligent automatic control system and method for rear windscreen wiper
Technical Field
The invention relates to the technical field of automobiles, in particular to an intelligent automatic control system and method for a rear windscreen wiper.
Background
Application number CN201821379874.2 discloses an automobile sound system integrating intelligent windscreen wiper and light control, wherein a sunlight and rainfall sensor is installed at the front windshield of an automobile, collects sunlight and rainfall information, and sends the sunlight and rainfall information to a sound host through an LIN bus; the sound host machine collects sunlight and rainfall information, a vehicle speed signal of a vehicle speed sensor, an engine running state of an engine rotating speed sensor and other information, and sends a CAN bus signal to the BCM module according to a mode and priority set by the system; the BCM module receives CAN bus signals sent by the sound host and controls the wiper module and the light module to work according to a set mode according to instructions. During the use, can set up the condition of opening intelligent light sum and automatic windscreen wiper as required, through the setting page of operation touch-sensitive screen, carry out the setting of windscreen wiper and light, for example: 1. turning on or off intelligent light; 2. whether turning on the smart light is associated with engine operation; 3. setting manual priority or automatic priority of light control; 4. opening or closing the intelligent windscreen wiper; 5. whether the intelligent wiper is started is related to the running of an engine; 6. whether the intelligent windscreen wiper is related to the vehicle speed or not is judged when the intelligent windscreen wiper is started (when the vehicle speed is more than 5km/h, the intelligent windscreen wiper is started, the wiping speed of the intelligent windscreen wiper can be adjusted according to the height of the vehicle speed, and the speed is higher when the vehicle speed is higher); 7. and setting manual priority or automatic priority of wiper control.
However, this solution requires a plurality of advanced condition switches, and the user selects according to the personal use habit, and it is not always clear how to operate some users, especially female drivers, and a great safety risk is brought to the user for parking.
Disclosure of Invention
In view of this, the invention provides an intelligent automatic control system and method for a rear wiper, which can automatically open the rear wiper timely and accurately when needed without the operation of a user.
The invention provides an intelligent automatic control system for rear windscreen wipers, which is characterized by comprising an information collection module, a vehicle body control module and an execution module,
the information collection module is used for collecting vehicle gear information and feeding back information of the current weather condition;
the vehicle body control module is used for receiving vehicle gear information and feeding back information of the current weather condition, and sending a control instruction when the vehicle is in a specific gear and is in a rainy state;
the execution module is used for automatically driving the rear windscreen wiper according to the control instruction of the vehicle body control module.
According to an embodiment of the invention, the information for feeding back the current weather condition includes working state information of a front wiper, weather information of a position where the vehicle is located, wiper working state information of the surrounding vehicle and current rainfall information, and the vehicle body control module issues the control command when the vehicle body control module is currently in a D-range or an R-range and the vehicle body control module determines that the vehicle body control module is currently in a raining state according to at least one of the working state information of the front wiper, the weather information of the position where the vehicle is located, the wiper working state information of the surrounding vehicle and the current rainfall information.
According to one embodiment of the invention, the information collection module comprises a transmission control module and a front wiper controller or a rainfall sensor, the transmission control module is used for judging whether a vehicle is in a D gear or an R gear, the front wiper controller is used for feeding back the working state of a front wiper, the rainfall sensor is used for feeding back whether the vehicle is raining, the vehicle body control module is in the D gear or the R gear at present, and the front wiper is in the working state and/or the information of the rainfall sensor feeds back the control instruction when the vehicle is raining at present.
According to one embodiment of the invention, the information collection module comprises a transmission control module and a big data service platform, the transmission control module is used for judging whether the vehicle is in a D gear or an R gear, the big data service platform is used for receiving at least one of vehicle networking information, weather information and wiper working state information of surrounding vehicles and sending big data information to the vehicle body control module according to the at least one of the vehicle networking information, the weather information and the wiper working state information of the surrounding vehicles, the vehicle body control module is currently in the D gear or the R gear, and the received big data information feeds back the current rain state or the wiper working state of the surrounding vehicles and sends the control instruction.
According to one embodiment of the invention, the big data information sent by the big data service platform is sent to the vehicle body control module through the T-BOX.
According to one embodiment of the invention, the execution module comprises a rear wiper motor and a rear wiper blade, and the rear wiper motor is used for driving the rear wiper blade after receiving a control command sent by the vehicle body control module.
According to one embodiment of the invention, the system further comprises an infotainment host used for receiving and displaying the execution condition of the execution module fed back by the vehicle body control module.
The invention also provides an intelligent automatic control method of the rear windscreen wiper, which comprises the following steps:
collecting vehicle gear information and feeding back information of the current weather condition by using an information collection module, wherein the information of the current weather condition comprises working state information of a front windscreen wiper, weather information of the position of a vehicle, working state information of windscreen wipers of surrounding vehicles and current rainfall information;
judging the gear of the vehicle and the current weather condition by using a vehicle body control module, and sending a control instruction when the vehicle is in a D gear or an R gear and the current rain condition is judged to be in a rain state according to at least one of the working state information of the front windscreen wiper, the weather information of the position of the vehicle, the working state information of the windscreen wipers of the surrounding vehicles and the current rainfall information;
and automatically driving the rear windscreen wiper by utilizing the execution module according to the control instruction.
According to one embodiment of the invention, the working state information of the front windscreen wiper is provided by a front windscreen wiper controller, the weather information of the position of the vehicle and the windscreen wiper working state information of the surrounding vehicles are provided by a big data service platform, and the current rainfall information is provided by a rainfall sensor.
According to an embodiment of the invention, the vehicle body control module sends the control instruction when the vehicle is in a D-gear or R-gear, is in a rain state currently and the front wiper is in a working state, or the vehicle is in the D-gear or R-gear and the front wiper does not work, but the current rain state is found according to weather information of the position of the vehicle and the working state of the wipers of the surrounding vehicles by performing big data comparison.
In conclusion, no matter whether the gear is a manual gear or an automatic gear, no matter whether the gear is a forward gear or a reverse gear, the system can correctly and timely judge whether the front windscreen wiper works or not by combining the working state information of the front windscreen wiper, the weather information of the position of the vehicle, the windscreen wiper working state information of surrounding vehicles and the current rainfall information, and sends a control instruction whether the rear windscreen wiper works or not, so that manual operation is not needed, the parking safety is greatly improved, and the parking risk of novice drivers, particularly female drivers, is solved.
The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented in accordance with the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more clearly understood, the following preferred embodiments are described in detail with reference to the accompanying drawings.
Drawings
Fig. 1 is a schematic view of an intelligent automatic control system for a rear wiper provided by the invention.
Fig. 2 is a working principle diagram of the intelligent automatic control system of the rear wiper.
Detailed Description
To further explain the technical means and effects of the present invention adopted to achieve the predetermined objects, the present invention will be described in detail below with reference to the accompanying drawings and preferred embodiments.
The invention provides an intelligent automatic control system for a rear wiper, which comprises an information collection Module, a Body Control Module (BCM), an execution Module and an information entertainment host (IHU).
The information collection module is used for collecting vehicle gear information and feeding back information of the current weather condition and transmitting the information to the vehicle body control module. Specifically, referring to fig. 1, the information collection module includes a Transmission Control Unit (TCU), a front wiper controller, a rainfall sensor, and a big data service platform TSP.
The transmission control module is used for judging whether the vehicle enters a D gear or an R gear and transmitting vehicle gear information to the vehicle body control module. The rainfall sensor is used for collecting rainfall information, judging whether the rain is raining at present according to the rainfall information, judging that the rain is not raining at present when the rainfall information is smaller than a set value, and judging that the rain is raining at present when the rainfall information is larger than the set value. The front wiper controller is used for controlling the front wiper motor and feeding back the working state of the front wiper motor. The big data service platform is used for collecting related information of all vehicles on the Internet of vehicles and/or resources such as weather, news, violation, online maps and music to obtain weather information of positions where the vehicles are located and/or working state information of wipers of surrounding vehicles, particularly working state information of the wipers after the surrounding vehicles park, and sending the big data information to the vehicle body control module through the T-BOX when comprehensively judging that the vehicles are in a raining state currently according to the information received by the Internet of vehicles, the weather information of the positions where the vehicles are located and the working states of the wipers of the surrounding vehicles.
The vehicle body control module is used for receiving vehicle gear information and feeding back information of current weather conditions, and sending out a control instruction when the vehicle is in a specific gear and is in a rainy state at present. Specifically, the vehicle body control module sends out a control instruction when the vehicle body control module is in a D gear or an R gear currently and judges that the vehicle body control module is in a raining state currently according to at least one of the working state information of the front windscreen wiper, the weather information of the position of the vehicle, the windscreen wiper working state information of the surrounding vehicle and the current rainfall information. For example, the vehicle body control module sends the control instruction when the vehicle body control module is currently in a D gear or an R gear and a front wiper is in a working state and/or information feedback of a rainfall sensor is in current rain, or sends the control instruction when the vehicle body control module is currently in the D gear or the R gear and received big data information feedback is in a current rain state or wipers of surrounding vehicles are in work.
The execution module is used for automatically driving the rear windscreen wiper according to the control instruction of the vehicle body control module. Specifically, the execution module comprises a rear wiper motor and a rear wiper blade, and the rear wiper motor is used for driving the rear wiper blade after receiving a control instruction sent by the vehicle body control module.
The infotainment host is a module for man-machine interaction control, can receive the execution condition of the execution module fed back by the vehicle body control module, and displays the execution condition on a display screen, for example, when a rear wiper works, a prompt is carried out on the display screen, or when the rear wiper works, voice broadcasting is utilized, and in addition, the infotainment host can also receive an input instruction to carry out corresponding setting or control on a system. The infotainment host can also feed back whether the rear windscreen wiper is opened or not and transmit the fed back information to the vehicle body control module. And the vehicle body control module closes the rear windscreen wiper, the vehicle is in a D gear or an R gear at present, and the control instruction is sent out when the vehicle is judged to be in a raining state at present according to at least one of the working state information of the front windscreen wiper, the weather information of the position of the vehicle, the working state information of the windscreen wipers of the surrounding vehicles and the current rainfall information.
The invention also provides a rear wiper intelligent automatic control method using the rear wiper intelligent automatic control system, which comprises the following steps:
step S1: collecting vehicle gear information and feeding back information of the current weather condition by using an information collection module, wherein the information of the current weather condition comprises working state information of a front windscreen wiper, weather information of the position of a vehicle, working state information of windscreen wipers of surrounding vehicles and current rainfall information;
step S2: judging the gear of the vehicle and the current weather condition by using a vehicle body control module, and sending a control instruction when the vehicle is in a D gear or an R gear and the current rain condition is judged to be in a rain state according to at least one of the working state information of the front windscreen wiper, the weather information of the position of the vehicle, the working state information of the windscreen wipers of the surrounding vehicles and the current rainfall information;
step S3: an execution module is used for receiving a control instruction sent by a vehicle body control module, and the rear windscreen wiper is automatically driven under the control instruction;
step S4: and displaying or broadcasting the execution condition of the execution module fed back by the vehicle body control module by using the infotainment host.
It can be understood that, no matter the automatic gear or the manual gear, the intelligent automatic control system and the method for the rear windscreen wiper provided by the invention can carry out comprehensive evaluation according to the current gear and the information which is collected by the information collection module and feeds back the current weather condition, and can make correct and timely judgment on whether the rear windscreen wiper needs to work or not.
The intelligent automatic control system for the rear windscreen wiper can be triggered in at least two scenes:
the first scenario is:
the transmission control module judges whether the vehicle is in a D gear or an R gear and feeds back the information to the vehicle body control module;
the vehicle body control module judges whether the front windscreen wiper works and comprehensively judges whether the front windscreen wiper works according to the information whether the front windscreen wiper rains or not fed back by the rainfall sensor;
if the current gear is judged to be in the D gear or the R gear, the weather is rainy and the front wiper is in a working state, judging that the rear wiper motor needs to work, and sending a control instruction to the rear wiper motor;
the rear wiper motor drives the rear wiper to work after receiving the control command;
the vehicle body control module feeds back the execution condition to the infotainment host computer, and interaction is carried out through a man-machine system.
The second scenario is:
the vehicle body control module receives information that the vehicle is in the R gear and sent by the transmission control module, and if the front windscreen wiper does not work at the moment, but the big data service platform compares the big data according to the weather condition of the position of the vehicle and the working condition of the rear windscreen wiper when the surrounding vehicles park to find that the vehicle is raining, the vehicle body control module sends big data information to the vehicle body control module through TBOX;
the vehicle body control module receives the gear information and the big data information of the vehicle, and sends a control instruction to the rear wiper motor when the vehicle is in an R gear and is in a rainy state;
the rear wiper motor drives the rear wiper to work after receiving the control command;
the vehicle body control module feeds the execution condition back to the infotainment host computer for the infotainment host computer to display the execution condition of the rear windscreen wiper.
In summary, the invention only needs to detect that the front wiper works, the vehicle is in the D gear or the R gear, and the rear wiper automatically works when the weather is rainy, and does not need to be operated by a user (especially a female customer), and the user only needs to concentrate on spirit and back; in addition, if the front windscreen wiper does not work, the big data platform compares big data through whether the weather of the position of the vehicle is rainy or fogged or not, whether other vehicle windscreen wipers around work or not and the like, and sends comparison information to the vehicle body control module, and the vehicle body control module sends an instruction to the rear windscreen wiper motor to open the rear windscreen wiper under the condition that various conditions are met, so that the user can be actively cared for parking and safely protecting the home.
Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.