CN115107707A - Electronic windscreen wiper control system - Google Patents
Electronic windscreen wiper control system Download PDFInfo
- Publication number
- CN115107707A CN115107707A CN202210726893.2A CN202210726893A CN115107707A CN 115107707 A CN115107707 A CN 115107707A CN 202210726893 A CN202210726893 A CN 202210726893A CN 115107707 A CN115107707 A CN 115107707A
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- Prior art keywords
- wiper
- request
- module
- state
- electronic
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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
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- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Mechanical Engineering (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The invention discloses an electronic wiper control system, comprising: the signal input module is used for inputting working condition signals of a vehicle, wherein the working condition signals comprise a power supply state and a rainfall sensor fault signal; the coordination module is connected with the signal input module and used for receiving the working condition signal input by the signal input module; the control module is connected with the coordination module and used for determining control requests, wherein the control requests comprise windshield wiper control, wiping speed, windshield wiper maintenance and windshield wiper sensitivity requests; and the execution module is connected with the control module and used for executing the operation of the electronic windshield wiper and feeding back the operation state to the coordination module, wherein the operation state comprises a wiper arm maintenance state, a wiper arm parking position and a wiper fault state. The system realizes flexible control of the windscreen wiper and improves the intelligent degree of the windscreen wiper.
Description
Technical Field
The present invention relates to an electronic wiper control system for a vehicle, and more particularly to an electronic wiper control system for use on a vehicle including, but not limited to, vehicles having a body area controller while employing an electronic motor as a vehicle wiper actuator.
Background
A vehicle wiper control system generally includes a wiper gear control command transmitting unit (e.g., a combination switch), a wiper action control unit (e.g., a wiper controller), and a wiper action actuator (e.g., including a wiper motor, a link, a wiper arm, a wiper blade, etc.). The windscreen wiper gear command is sent by the combination switch, and the windscreen wiper controller controls the action of the internal relay and switches the on-off state of the circuit after receiving the gear command of the combination switch, so that multiple functions of the windscreen wiper are realized.
The existing mode of adopting a mechanical motor as a wiper actuator stays at a position above an engine hood when a wiper does not work, so that the attractiveness of a vehicle is influenced, wind noise of the vehicle during high-speed running is increased, and meanwhile, the existing technical method of using the mechanical motor as a wiper executing mechanism enables a wiper connecting rod to achieve the effect of circular motion through continuous rotation of the mechanical motor, so that the problems of abnormal sound, high noise and the like exist. In addition, the mechanical motor is used as an actuating mechanism, so that the wiper blade always uses the same side for wiping, the deformation of the wiper blade is increased, and the service life of the wiper strip is shortened.
Disclosure of Invention
The embodiment of the invention provides an electronic windscreen wiper control system, which is used for realizing flexible control on windscreen wipers and improving the intelligent degree of the windscreen wipers.
In order to achieve the above object, the technical solution of the present invention is as follows:
an embodiment of the invention provides an electronic wiper control system, which comprises a signal input module, a coordination module, a control module and an execution module, as shown in fig. 1.
The signal input module is used for inputting working condition signals of the vehicle, and the working condition signals comprise power supply states and rainfall sensor faults.
The coordination module is a vehicle body domain controller, is connected with the signal input module and is used for receiving the working condition signal input by the signal input module.
The control module is connected with the coordination module and used for determining control requests, and the control requests comprise wiper control, wiper speed, wiper maintenance and wiper sensitivity.
The execution module is connected with the control module and is used for executing the operation of the electronic windshield wiper; and feeding back the running state to the coordination module, wherein the running state comprises a scraping arm maintenance state, a scraping arm parking position and a wiper fault state.
In an embodiment of the present invention, the wiper control request includes: stopping, automatic, continuous slow speed, continuous fast speed and one-time scraping and brushing; the scrub speed request comprises: high speed, low speed and no request; the wiper repair request includes: request, no request; the wiper sensitivity includes: low sensitivity and high sensitivity. Further, the high speed and the low speed can be subdivided into: highest speed, higher speed, lower speed, and lowest speed.
In an embodiment of the present invention, the status feedback in the execution module: the scraping arm maintenance position state comprises: a maintenance position and a non-maintenance position; the scraping arm parking position state comprises: parking position, non-parking position; the wiper fault state comprises fault and no fault.
It should be understood that the statements in this section do not necessarily identify key or critical features of the embodiments of the present application, nor do they limit the scope of the present application. Other features of the present application will become apparent from the following description.
The electronic windscreen wiper can be hidden under the engine compartment cover when the windscreen wiper does not work, so that the wind noise of a vehicle in high-speed running can be reduced; the electronic windscreen wiper provided by the invention runs stably, and can solve the problems of abnormal sound and high noise; in addition, the stop angles of the wiper blades of the electronic windscreen wiper are changed alternately, so that the permanent deformation of the wiper blades can be reduced, and the service life of the wiper strip can be prolonged.
The electronic windscreen wiper control system can realize flexible control of windscreen wipers and improve the intelligent degree of the windscreen wipers.
Drawings
FIG. 1 is a diagram of a wiper control system;
FIG. 2 is a block diagram of signal input;
FIG. 3 is a control block diagram;
FIG. 4 is an execution block diagram (state feedback);
fig. 5-7 are operational diagrams of the wiper control system in a control state;
fig. 8 is an operational view of a wiper control system in a maintenance state.
It should be noted that the above drawings are for better understanding of the present solution and do not constitute a limitation of the present application.
Detailed Description
The embodiments of the present application will be described with reference to specific examples, and other advantages and effects of the present application will be apparent to those skilled in the art from the disclosure of the present application. The present application is capable of other and different embodiments and its several details are capable of modifications and/or changes in various respects, all without departing from the spirit of the present application. It is to be noted that the features in the following embodiments and examples may be combined with each other without conflict.
It should be noted that the drawings provided in the following embodiments are only for illustrating the basic idea of the present application, and the drawings only show the components related to the present application and are not drawn according to the number, shape and size of the components in actual implementation, and the type, number and proportion of the components in actual implementation may be changed freely, and the layout of the components may be more complicated.
As shown in fig. 1, an embodiment of the present invention provides an electronic wiper control system including a signal input module, a coordination module, a control module, and an execution module.
The signal input module is used for inputting working condition signals of the vehicle, and the working condition signals comprise power supply states and rainfall sensor faults.
Still further, the power state feedback signal includes: "OFF", "ON"; the rain sensor failure comprises: "failed" and "no failure" as shown in FIG. 2.
The coordination module is a vehicle body domain controller, is connected with the signal input module and is used for receiving the working condition signal input by the signal input module.
And the control module is connected with the coordination module and used for determining a control request, wherein the control request comprises wiper control, wiping speed, wiper maintenance and wiper sensitivity.
Further, the wiper control request has: "parking", "automatic", "continuous slow", "continuous fast", "one wiping"; the scraping and brushing speed request comprises the following steps: "highest speed", "higher speed", "lower speed", "lowest speed", and "no request"; the wiper maintenance request comprises the following steps: "request present", "no request"; the wiper sensitivity signal is: "sensitivity is low" and "sensitivity is high". As shown in fig. 3.
The execution module is connected with the control module and is used for executing the operation of the electronic windshield wiper; and feeding back the running state to the coordination module, wherein the running state comprises a scraping arm maintenance state, a scraping arm parking position and a wiper fault state.
The state of the scraping arm maintenance position comprises the following steps: "maintenance location", "non-maintenance location"; the scraping arm parking position state comprises: "parking position", "non-parking position"; the wiper fault state comprises: "failure", "no failure".
As shown in fig. 4, the functions implemented by the state feedback module are as follows, and the state feedback module should feed back the following states to the body area controller in real time, including:
(1) when the windscreen wiper is in the maintenance position, the 'state of the wiper arm maintenance position' is fed back to be the 'maintenance position'; otherwise, it is a "non-maintenance location".
(2) When the windscreen wiper is in a parking position, feeding back that the state of the parking position of the wiper arm is 'parking position'; otherwise, it is "non-parking position".
(3) When the windscreen wiper is in a fault state, feeding back that the windscreen wiper fault state is 'fault'; otherwise, it is "no fault".
The working states of the electronic wiper under different environments are illustrated by the following specific embodiments, which mainly relate to a control state, a stop state, a change state and a maintenance state.
In an embodiment of the invention, as shown in fig. 5, when the power state is ON and the wiper arm maintenance state is a non-maintenance position, the control module determines the wiper control request, and the execution module controls the wiper to wipe according to the received wiper control request.
(1) The 'wiper control' request is 'stop', the wiper is controlled to complete the current wiping period, and then the wiper returns to the stop position;
(2) the 'wiper control' request is 'automatic', and the wiper is controlled to scrape and brush according to the 'scraping and brushing speed';
(3) the 'wiper control' request is 'continuous slow speed', and the wiper is controlled to continuously wipe at low speed;
(4) the 'wiper control' request is 'continuous and quick', and the wiper is controlled to continuously wipe at a high speed;
(5) the 'wiper control' request is 'one-time wiping', and the wiper is controlled to continuously wipe at a low speed for at least one period until the wiper control request is not 'one-time wiping'.
Furthermore, after the wiper control request is changed, the execution module executes a new wiper control request to perform wiping.
In an embodiment of the invention, as shown in fig. 6, when the power state is ON, the wiper arm maintenance state is a non-maintenance position, the wiper control request is automatic, and the execution module controls the wiper to wipe according to the received wiper speed request.
(1) The wiping speed request is 'no request', and the wiper is controlled not to be wiped;
(2) the 'wiping speed' request is 'lowest speed', and the wiper is controlled to wipe at a 'continuous slow speed' frequency;
(3) the 'wiping speed' request is 'low speed', and the wiper is controlled to wipe at a frequency higher than 'continuous low speed';
(4) the 'wiping speed' request is 'higher speed', and the wiper is controlled to wipe at a frequency lower than 'continuous and rapid';
(5) the 'wiping speed' request is 'highest speed', and the wiper is controlled to wipe at 'continuous and rapid' frequency.
In an embodiment of the invention, as shown in fig. 7, when the power state is ON, the wiper arm maintenance state is a non-maintenance position, the rain sensor fault is a fault, the wiper control request is automatic, and the execution module controls the wiper to wipe according to the received wiper sensitivity request.
Controlling the wiper to intermittently wipe according to the received 'wiper sensitivity':
(1) if the "wiper sensitivity" received at this time is: the high sensitivity is realized, and the periodic time of the wiper for wiping is controlled to be a short time threshold (reference value: 2 s);
(2) if the "wiper sensitivity" received at this time is: "Low sensitivity", the period time of wiping by the wiper should be controlled to be a long time threshold (reference value: 6 s).
In one embodiment of the present invention, the stop state: when the wiper is in wiping motion, the power state is changed from ON to OFF, the execution module controls the wiper to wipe according to the current wiper control request in the period, and the parking position of the wiping arm is a parking position.
In one embodiment of the present invention, as shown in fig. 8, the maintenance state: the wiper arm parking position is a parking position, the wiper maintenance request is a request, and the execution module controls the wiper arm maintenance state to a maintenance position.
Furthermore, the execution module controls the wiper arm to be in a non-maintenance position and quit the wiper maintenance mode when all the following conditions are met:
(1) the power state feedback is 'ON';
(2) the wiper maintenance request is a no request.
It should be understood that various forms of the flows shown above, reordering, adding or deleting steps, may be used. For example, the steps described in the present application may be executed in parallel or sequentially or in different orders, and the present invention is not limited thereto as long as the desired results of the technical solutions disclosed in the present application can be achieved.
The above-described embodiments are not intended to limit the scope of the present disclosure. It should be apparent to those skilled in the art that various modifications, combinations, sub-combinations, and substitutions may be made in accordance with design requirements and other factors. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (11)
1. An electronic wiper control system, comprising:
the signal input module is used for inputting working condition signals of a vehicle, wherein the working condition signals comprise a power supply state and a rainfall sensor fault signal;
the coordination module is connected with the signal input module and used for receiving the working condition signal input by the signal input module;
the control module is connected with the coordination module and used for determining control requests, wherein the control requests comprise windshield wiper control, wiping speed, windshield wiper maintenance and windshield wiper sensitivity requests;
and the execution module is connected with the control module and used for executing the operation of the electronic windshield wiper and feeding back the operation state to the coordination module, wherein the operation state comprises a wiper arm maintenance state, a wiper arm parking position and a wiper fault state.
2. The electronic wiper control system according to claim 1, wherein in the signal input module: the power status signal includes: ON, OFF; the rainfall sensor fault signal comprises: failure, no failure.
3. The electronic wiper control system of claim 1 wherein the coordination module is a body area controller.
4. The electronic wiper control system according to claim 1, wherein in the control module: the wiper control request includes: stopping, automatic, continuous slow speed, continuous fast speed and one-time scraping and brushing; the scrub speed request comprises: high speed, low speed and no request; the wiper repair request includes: request, no request; the wiper sensitivity includes: low sensitivity and high sensitivity.
5. The electronic wiper control system according to claim 1, wherein the status feedback in the execution module: the scraping arm maintenance position state comprises: a maintenance position and a non-maintenance position; the scraping arm parking position state comprises: parking position, non-parking position; the wiper fault state comprises fault and no fault.
6. The electronic wiper control system according to any one of claims 1-5, wherein when the power state is ON and the wiper arm maintenance state is a non-maintenance position, the control module determines the wiper control request, and the executing module controls the wiper to wipe according to the received wiper control request.
7. The electronic wiper control system according to claim 6, wherein the execution module executes a new wiper control request for wiping after the wiper control request changes.
8. The electronic wiper control system according to any one of claims 1-5, wherein when the power status is ON, the wiper arm maintenance status is a non-maintenance position, the wiper control request is automatic, and the execution module controls the wiper to wipe according to the received wiping speed request.
9. The electronic wiper control system according to any one of claims 1-5, wherein when the wiper is in wiping motion, the power state is changed from ON to OFF, the execution module controls the wiper to wipe at the end of the current period of wiper control request, and the arm parking position is a parking position.
10. The electronic wiper control system according to any one of claims 1-5, wherein when the wiper arm park position is a park position and the wiper service request is a request, the execution module controls the wiper arm service status to a service position.
11. The electronic wiper control system according to claim 10, wherein when the power state is ON and the wiper service request is no request, the execution module controls the wiper arm service state to be changed to a non-service position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210726893.2A CN115107707A (en) | 2022-06-24 | 2022-06-24 | Electronic windscreen wiper control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210726893.2A CN115107707A (en) | 2022-06-24 | 2022-06-24 | Electronic windscreen wiper control system |
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| Publication Number | Publication Date |
|---|---|
| CN115107707A true CN115107707A (en) | 2022-09-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210726893.2A Pending CN115107707A (en) | 2022-06-24 | 2022-06-24 | Electronic windscreen wiper control system |
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| CN (1) | CN115107707A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115657563A (en) * | 2022-10-31 | 2023-01-31 | 重庆长安汽车股份有限公司 | Electronic wiper domain control system, method and device, electronic equipment and storage medium |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0504606A1 (en) * | 1991-03-21 | 1992-09-23 | MAN Nutzfahrzeuge Aktiengesellschaft | Control device for the windscreen wiper motor of a motor vehicle |
| US5353466A (en) * | 1991-12-04 | 1994-10-11 | Smith Darrel L | Rearview mirror wiper |
| KR20090068537A (en) * | 2007-12-24 | 2009-06-29 | 대성전기공업 주식회사 | Service position control unit of wiper blade |
| JP2011105108A (en) * | 2009-11-16 | 2011-06-02 | Tokai Rika Co Ltd | Wiper control device |
| CN102910150A (en) * | 2012-10-15 | 2013-02-06 | 中联重科股份有限公司渭南分公司 | Windscreen wiper, control method and controller thereof, windscreen wiper system and automobile |
| US20150082576A1 (en) * | 2013-09-24 | 2015-03-26 | Valeo Systèmes d'Essuyage | Method for detecting the position of a wiper arm for a vehicle window wiping system |
| CN110641419A (en) * | 2019-10-30 | 2020-01-03 | 江西江铃集团新能源汽车有限公司 | Automobile windscreen wiper control method and system |
| US20220063563A1 (en) * | 2020-08-27 | 2022-03-03 | Mazda Motor Corporation | Wiper control method and wiper control apparatus |
-
2022
- 2022-06-24 CN CN202210726893.2A patent/CN115107707A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0504606A1 (en) * | 1991-03-21 | 1992-09-23 | MAN Nutzfahrzeuge Aktiengesellschaft | Control device for the windscreen wiper motor of a motor vehicle |
| US5353466A (en) * | 1991-12-04 | 1994-10-11 | Smith Darrel L | Rearview mirror wiper |
| KR20090068537A (en) * | 2007-12-24 | 2009-06-29 | 대성전기공업 주식회사 | Service position control unit of wiper blade |
| JP2011105108A (en) * | 2009-11-16 | 2011-06-02 | Tokai Rika Co Ltd | Wiper control device |
| CN102910150A (en) * | 2012-10-15 | 2013-02-06 | 中联重科股份有限公司渭南分公司 | Windscreen wiper, control method and controller thereof, windscreen wiper system and automobile |
| US20150082576A1 (en) * | 2013-09-24 | 2015-03-26 | Valeo Systèmes d'Essuyage | Method for detecting the position of a wiper arm for a vehicle window wiping system |
| CN110641419A (en) * | 2019-10-30 | 2020-01-03 | 江西江铃集团新能源汽车有限公司 | Automobile windscreen wiper control method and system |
| US20220063563A1 (en) * | 2020-08-27 | 2022-03-03 | Mazda Motor Corporation | Wiper control method and wiper control apparatus |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115657563A (en) * | 2022-10-31 | 2023-01-31 | 重庆长安汽车股份有限公司 | Electronic wiper domain control system, method and device, electronic equipment and storage medium |
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