CN116279301A - Windshield wiper starting method and system - Google Patents

Windshield wiper starting method and system Download PDF

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Publication number
CN116279301A
CN116279301A CN202310258359.8A CN202310258359A CN116279301A CN 116279301 A CN116279301 A CN 116279301A CN 202310258359 A CN202310258359 A CN 202310258359A CN 116279301 A CN116279301 A CN 116279301A
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CN
China
Prior art keywords
wiper
message
signal
detecting
power switch
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202310258359.8A
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Chinese (zh)
Inventor
赵耀昕
莫雯敏
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Chery New Energy Automobile Co Ltd
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Chery New Energy Automobile Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by Chery New Energy Automobile Co Ltd filed Critical Chery New Energy Automobile Co Ltd
Priority to CN202310258359.8A priority Critical patent/CN116279301A/en
Publication of CN116279301A publication Critical patent/CN116279301A/en
Pending legal-status Critical Current

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    • 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
    • B60S1/0822—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 characterized by the arrangement or type of detection means
    • 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
    • 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
    • B60S1/14—Wipers or the like, e.g. scrapers characterised by the drive personally driven
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
    • Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Automation & Control Theory (AREA)
  • Air-Conditioning For Vehicles (AREA)

Abstract

The invention belongs to the technical field of intelligent windshield wiper, and particularly relates to a method and a system for starting a windshield wiper. The invention provides a method for starting a windshield wiper, which comprises the following steps: detecting the rainfall and sending a wiper switch signal; receiving a wiper switch signal, detecting the power switch state of the wiper and generating a CAN message; and controlling the wiper to work according to the CAN message. According to the invention, the rain amount is detected in real time through the rain drop humidity sensor, and then the swinging frequency of the wiper is controlled through the control module and the motor driving module, so that manual control of a driver is not needed, and the safety and convenience of automobile driving are improved; when the rainfall is too large, a driver can manually adjust the windshield wiper according to the actual situation so as to ensure that the sight cannot be blocked, and the running speed can be reduced according to the actual situation, so that the safety of automobile driving is further improved.

Description

Windshield wiper starting method and system
Technical Field
The invention belongs to the technical field of intelligent windshield wiper, and particularly relates to a method and a system for starting a windshield wiper.
Background
With the rapid development of transportation industry, more and more people select self-driving travel, the demand on vehicles is higher and higher, the automobile becomes one of important transportation means for people to travel, and the wiper is used as the standard of the automobile, so that the safety and the importance of the wiper are self-evident, the requirements of users on the wiper are more and more, and the intelligent of the wiper is a trend.
At present, the development direction of the whole vehicle control system is networking, different devices are connected by a network to carry out whole control, the original mode of an automatic system is gradually broken, industrial information can be remotely sent, all information systems can be connected and communicated, and an electronic control unit on an automobile can effectively control data exchange and information transmission.
Through searching, patent CN203381598U discloses an intelligent windshield wiper control device based on a CAN bus, which comprises a windshield wiper motor, wherein the windshield wiper motor is connected with a wire of a windshield wiper motor driving module, the windshield wiper motor driving module is connected with a wire of a control unit, and a rainfall sensor is connected with the wire of the control unit through a bus module.
Patent CN213442458U discloses an intelligent windshield wiper system, including main control module, rainfall detection module, motor drive module, wiper, display module and power module, rainfall detection module's output is connected with main control module's first input, and main control module's first output is connected with motor drive module's input, and motor drive module's output is connected with wiper, and main control module's second output is connected with display module's input, and main control module, rainfall detection module, motor drive module and display module all are connected with power module.
Patent CN111923851a discloses a control system of VMCU vehicle management controller, including the car main part, the inside of car main part includes wiper, door, on-vehicle multi-media, driving light, loudspeaker and detection device, the equal electric connection of the inside equipment of car main part is on central integrated switch, be provided with signal receiving arrangement and signal transmitting device on the central integrated switch, signal transmitting device of central integrated switch generates the switching signal and passes through the main control unit of CAN message line electric connection VMCU, connect the ignition module and the oil circuit module of car main part on the main control unit VMCU, main control unit VMCU electric connection vehicle-mounted power supply.
At present, the traditional wiper is controlled by using a deflector rod, and certain risks exist in using the deflector rod, so that in order to improve safety, the intelligent wiper is generated and can be controlled completely according to the environment, and potential safety hazards are reduced. In addition, in real life, in the long-time parking or stopping process of the vehicle owner, for example, when the vehicle owner parks in the vehicle to rest, even if the rainfall detection device detects the rainfall, the total circuit in the vehicle is in an open state, but the vehicle does not need to run in a period of time, so that the windscreen wiper does not need to be opened. The device can detect the rainfall when raining and automatically control the wiper to work, but can not judge whether the wiper needs to work according to the requirement of a vehicle owner, and the waste of electric energy can be caused.
Disclosure of Invention
In view of the above problems, the present invention provides a method for starting a wiper, the method comprising:
detecting the rainfall and sending a wiper switch signal;
receiving a wiper switch signal, detecting the power switch state of the wiper and generating a CAN message;
and controlling the wiper to work according to the CAN message.
Preferably, detecting the power switch state of the wiper and generating the CAN message includes:
when a power switch of the wiper is turned on, a CAN message is generated, and the bit of the signal of the id of the CAN message is 1;
when the power switch of the wiper is turned off, a CAN message is generated, and the signal bit of the id of the CAN message is 0.
Preferably, controlling the wiper to work according to the CAN message includes:
when the signal bit of the id of the generated CAN message is 1, starting the wiper;
when the signal bit of the id of the generated CAN message is 0, the wiper is not started.
Preferably, the wiper switch signal includes a wiper swing rate signal, a value of which is proportional to a magnitude of the rain.
Preferably, the wiper actuation includes: the wiper swings at a value of a wiper swing rate signal in the wiper switch signal as a swing rate.
The invention also provides a wiper starting system, which comprises a detection module, a signal generation module and a control module;
the detection module is used for detecting the rainfall and sending a wiper switch signal;
the signal generating module is used for receiving the wiper switch signal, detecting the power switch state of the wiper and generating a CAN message;
the control module is used for controlling the wiper to work according to the CAN message.
Preferably, the signal generating module is configured to receive a wiper switch signal, detect a power switch state of a wiper, and generate a CAN message, including;
the signal generation module generates a CAN message when a power switch of the wiper is turned on, and a signal bit of an id of the CAN message is 1;
when the power switch of the wiper is turned off, a CAN message is generated, and the signal bit of the id of the CAN message is 0.
Preferably, the control module is configured to control the wiper to work according to the CAN message, and includes:
the control module starts the wiper when the bit of the signal of the id of the generated CAN message is 1;
when the signal bit of the id of the generated CAN message is 0, the wiper is not started.
Preferably, the wiper switch signal includes a wiper swing rate signal, a value of which is proportional to a magnitude of the rain.
Preferably, the wiper actuation includes: the wiper swings at a value of a wiper swing rate signal in the wiper switch signal as a swing rate.
The invention has the following beneficial effects:
according to the invention, the rain amount is detected in real time through the rain drop humidity sensor, and then the swinging frequency of the wiper is controlled through the control module and the motor driving module, so that manual control of a driver is not needed, and the safety and convenience of automobile driving are improved; when the rainfall is too large, a driver can manually adjust the windshield wiper according to the actual situation so as to ensure that the sight cannot be blocked, and the running speed can be reduced according to the actual situation, so that the safety of automobile driving is further improved.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention may be realized and attained by the structure particularly pointed out in the written description and drawings.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions of the prior art, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic view showing a method for starting a wiper according to an embodiment of the present invention;
FIG. 2 illustrates a schematic view of a wiper start system in accordance with an embodiment of the present invention;
fig. 3 shows a schematic view of a wiper starting apparatus in an embodiment of the present invention.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1, the present invention proposes a method for starting a wiper, the method comprising:
(1) Detecting the magnitude of rainfall and sending a wiper switch signal
(2) Receiving a wiper switch signal, detecting the power switch state of the wiper and generating a CAN message
Detecting the power switch state of the wiper and generating the CAN message comprises the following steps: when a power switch of the wiper is turned on, a CAN message is generated, and the bit of the signal of the id of the CAN message is 1; when the power switch of the wiper is turned off, a CAN message is generated, and the signal bit of the id of the CAN message is 0.
The wiper switch signal includes a wiper slew rate signal having a value proportional to the amount of rain.
In this embodiment, the CAN message line is a 500K high-speed communication transmission line, and the CAN message line satisfies the J1913 protocol, and supports the ISO diagnostic protocol, and the CAN message line supports OSEK direct network management, and the CAN message line supports the online calibration function and parameters.
(3) Controlling wiper operation according to CAN message
Controlling the wiper to work according to the CAN message comprises the following steps: when the signal bit of the id of the generated CAN message is 1, starting the wiper; when the signal bit of the id of the generated CAN message is 0, the wiper is not started.
The wiper actuation includes: the wiper swings at a value of a wiper swing rate signal in the wiper switch signal as a swing rate.
According to the invention, the rain amount is detected in real time through the rain drop humidity sensor, and then the swinging frequency of the wiper is controlled through the control module and the motor driving module, so that manual control of a driver is not needed, and the safety and convenience of automobile driving are improved; when the rainfall is too large, a driver can manually adjust the windshield wiper according to the actual situation so as to ensure that the sight cannot be blocked, and the running speed can be reduced according to the actual situation, so that the safety of automobile driving is further improved.
As shown in fig. 2, the invention further provides a wiper starting system, which comprises a detection module, a signal generation module and a control module.
The detection module is used for detecting the magnitude of the rainfall and sending a wiper switch signal, wherein the wiper switch signal comprises a wiper swing rate signal, and the value of the wiper swing rate signal is proportional to the magnitude of the rainfall.
The signal generation module is used for receiving a wiper switch signal, detecting the power switch state of the wiper and generating a CAN message, and comprises the following steps of; the signal generation module generates a CAN message when a power switch of the wiper is turned on, and a signal bit of an id of the CAN message is 1; when the power switch of the wiper is turned off, a CAN message is generated, and the signal bit of the id of the CAN message is 0.
The control module is used for controlling the wiper to work according to the CAN message, and comprises the following components: when the signal bit of the id of the generated CAN message is 1, the control module starts a wiper, and the wiper starts the device and comprises: the wiper swings with the value of the wiper swing rate signal in the wiper switch signal as the swing rate; when the signal bit of the id of the generated CAN message is 0, the wiper is not started.
As shown in fig. 3, the invention further provides a wiper starting device, which comprises a power supply, a raindrop sensor, a controller and a wiper motor, wherein the raindrop sensor, the controller and the wiper motor are all connected with the power supply;
the rain sensor is used for detecting the rain amount and sending a wiper switch signal to the controller;
the controller is used for receiving the wiper switch signal, detecting the power switch state of the wiper and generating a CAN message;
and the wiper motor controls the wiper to work according to the CAN message.
The inside of the automobile main body also comprises a door, a motor, an illuminating lamp, a loudspeaker, a detection device and the like, and the equipment inside the automobile main body is electrically connected to the switch and controlled by the controller.
While this specification contains many specific implementation details, these should not be construed as limitations on the scope of any invention or of what may be claimed, but rather as descriptions of features of specific embodiments of particular inventions. Certain features that are described in this specification in the context of separate embodiments can also be implemented in combination in a single embodiment. On the other hand, the various features described in the individual embodiments may also be implemented separately in the various embodiments or in any suitable subcombination. Furthermore, although features may be acting in certain combinations and even initially claimed as such, one or more features from a claimed combination can in some cases be excised from the combination, and the claimed combination may be directed to a subcombination or variation of a subcombination.
Similarly, although operations are depicted in the drawings in a particular order, this should not be understood as requiring that such operations be performed in the particular order shown or in sequential order, or that all illustrated operations be performed, to achieve desirable results. In some cases, multitasking and parallel processing may be advantageous. Moreover, the separation of various system modules and components in the embodiments described above should not be understood as requiring such separation in all embodiments, and it should be understood that the described program components and systems can generally be integrated together in a single software product or packaged into multiple software products.
Thus, particular embodiments of the subject matter have been described. Other embodiments are within the scope of the following claims. In some cases, the actions recited in the claims can be performed in a different order and still achieve desirable results. Furthermore, the processes depicted in the accompanying drawings are not necessarily required to be in the particular order shown, or sequential order, to achieve desirable results. In some implementations, multitasking and parallel processing may be advantageous.
Those of ordinary skill in the art will appreciate that: although the invention has been described in detail with reference to the foregoing embodiments, it is to be understood that modifications may be made to the technical solutions described in the foregoing embodiments, or equivalents may be substituted for some of the technical features thereof; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims (10)

1. A method of starting a wiper, the method comprising:
detecting the rainfall and sending a wiper switch signal;
receiving a wiper switch signal, detecting the power switch state of the wiper and generating a CAN message;
and controlling the wiper to work according to the CAN message.
2. A wiper start-up method according to claim 1, wherein,
detecting the power switch state of the wiper and generating the CAN message comprises the following steps:
when a power switch of the wiper is turned on, a CAN message is generated, and the bit of the signal of the id of the CAN message is 1;
when the power switch of the wiper is turned off, a CAN message is generated, and the signal bit of the id of the CAN message is 0.
3. A wiper start-up method according to claim 1, wherein,
controlling the wiper to work according to the CAN message comprises the following steps:
when the signal bit of the id of the generated CAN message is 1, starting the wiper;
when the signal bit of the id of the generated CAN message is 0, the wiper is not started.
4. A wiper start-up method according to claim 1, wherein,
the wiper switch signal includes a wiper slew rate signal having a value proportional to the amount of rain.
5. A wiper start-up method according to claim 3, wherein,
the wiper actuation includes: the wiper swings at a value of a wiper swing rate signal in the wiper switch signal as a swing rate.
6. A wiper starting system, which is characterized by comprising a detection module, a signal generation module and a control module;
the detection module is used for detecting the rainfall and sending a wiper switch signal;
the signal generating module is used for receiving the wiper switch signal, detecting the power switch state of the wiper and generating a CAN message;
the control module is used for controlling the wiper to work according to the CAN message.
7. A wiper start system according to claim 6, wherein,
the signal generation module is used for receiving a wiper switch signal, detecting the power switch state of the wiper and generating a CAN message, and comprises the following steps of;
the signal generation module generates a CAN message when a power switch of the wiper is turned on, and a signal bit of an id of the CAN message is 1;
when the power switch of the wiper is turned off, a CAN message is generated, and the signal bit of the id of the CAN message is 0.
8. A wiper start system according to claim 6, wherein,
the control module is used for controlling the wiper to work according to the CAN message, and comprises the following components:
the control module starts the wiper when the bit of the signal of the id of the generated CAN message is 1;
when the signal bit of the id of the generated CAN message is 0, the wiper is not started.
9. A wiper start system according to claim 6, wherein,
the wiper switch signal includes a wiper slew rate signal having a value proportional to the amount of rain.
10. A wiper start system according to claim 8, wherein,
the wiper actuation includes: the wiper swings at a value of a wiper swing rate signal in the wiper switch signal as a swing rate.
CN202310258359.8A 2023-03-14 2023-03-14 Windshield wiper starting method and system Pending CN116279301A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202310258359.8A CN116279301A (en) 2023-03-14 2023-03-14 Windshield wiper starting method and system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202310258359.8A CN116279301A (en) 2023-03-14 2023-03-14 Windshield wiper starting method and system

Publications (1)

Publication Number Publication Date
CN116279301A true CN116279301A (en) 2023-06-23

Family

ID=86779302

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202310258359.8A Pending CN116279301A (en) 2023-03-14 2023-03-14 Windshield wiper starting method and system

Country Status (1)

Country Link
CN (1) CN116279301A (en)

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