CN108068768B - Control system and method suitable for windshield wipers and flushing device - Google Patents

Control system and method suitable for windshield wipers and flushing device Download PDF

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CN108068768B
CN108068768B CN201711251592.4A CN201711251592A CN108068768B CN 108068768 B CN108068768 B CN 108068768B CN 201711251592 A CN201711251592 A CN 201711251592A CN 108068768 B CN108068768 B CN 108068768B
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contact
switch
delay switch
delay
wiper
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CN108068768A (en
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何杰
贾小红
覃红夷
汪智慧
谢定祥
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China Helicopter Research and Development Institute
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China Helicopter Research and Development Institute
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60SSERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
    • B60S1/00Cleaning of vehicles
    • B60S1/02Cleaning windscreens, windows or optical devices
    • B60S1/04Wipers or the like, e.g. scrapers
    • B60S1/06Wipers or the like, e.g. scrapers characterised by the drive
    • B60S1/08Wipers or the like, e.g. scrapers characterised by the drive electrically driven
    • B60S1/0803Intermittent control circuits
    • B60S1/0807Intermittent control circuits using electronic control means, e.g. tubes, semiconductors
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60SSERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
    • B60S1/00Cleaning of vehicles
    • B60S1/02Cleaning windscreens, windows or optical devices
    • B60S1/46Cleaning windscreens, windows or optical devices using liquid; Windscreen washers

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Motor And Converter Starters (AREA)

Abstract

The invention discloses a control system and a method suitable for a windshield wiper and a flushing device. The control system suitable for the windshield wiper and the flushing device comprises a first switch, a second delay switch, a third switch, a fourth switch, a fifth delay switch, a sixth delay switch, a flushing motor and a wiper motor. The control system suitable for windshield wiper and washing unit of this application increases there is the washer motor, and can make the washer motor use with the wiper motor cooperation to the realization is taken into account with the matching nature control of windshield wiper device, has realized the convenience of operation, and with the matching nature of windshield wiper device, realizes that a key operation starts to wash windshield wiper automatic re-setting.

Description

Control system and method suitable for windshield wipers and flushing device
Technical Field
The invention relates to the technical field of helicopter rainproof designs, in particular to a control system suitable for a windshield wiper and a flushing device and a setting method of the control system suitable for the windshield wiper and the flushing device.
Background
In order to ensure that a pilot has clear vision and ensure the flight safety when the helicopter flies in the middle rain condition, a windshield wiper device is developed for a certain type of helicopter. Meanwhile, the surface of the windshield is clean when a certain helicopter flies under the conditions of windshield dust cleaning during ground parking and heavy salt fog marine environment, and a windshield washing device is newly developed for the certain helicopter, so that the use and ground maintenance requirements of pilots are met, and the flight safety is ensured.
The traditional control switch of the windshield wiper and the windshield flushing device of the helicopter is arranged on a top control console or a central control console, has a certain distance with a pilot, is not convenient and fast to operate, and cannot be flushed and cleaned without the windshield flushing device.
Accordingly, a technical solution is desired to overcome or at least alleviate at least one of the above-mentioned drawbacks of the prior art.
Disclosure of Invention
It is an object of the present invention to provide a control system for a windscreen wiper and a flushing device which overcomes or at least alleviates at least one of the above-mentioned disadvantages of the prior art.
In order to achieve the above object, the present invention provides a control system for a windshield wiper and a washing device, the control system for a windshield wiper and a washing device comprising a first switch, a second delay switch, a third switch, a fourth switch, a fifth delay switch, a sixth delay switch, a washing motor, a wiper motor; wherein a first contact of the first switch is connected to a first power supply; the third contact of the first switch is connected with the control end of the second delay switch;
the first contact of the second delay switch is connected with the first power supply; a third contact of the second time delay switch is connected with the flushing motor; the third contact of the second delay switch is connected with the control end of the fifth delay switch and the first contact of the fifth delay switch;
the first contact of the third switch is connected with a second power supply; the second contact of the third switch is connected with the first contact of the sixth delay switch; the third contact of the third switch is connected with the high/low working position of the wiper motor;
a first contact of the fourth switch is connected with the second power supply; the second contact of the fourth switch is connected with the first contact of the sixth delay switch; a third contact of the fourth switch is connected with a high/low working position of the wiper motor;
the third contact of the fifth delay switch is connected with the first contact of the sixth delay switch;
the second contact of the sixth time delay switch is connected with the reset working position of the wiper motor;
and a third contact of the sixth time delay switch is connected with the high/low working position of the wiper motor.
Preferably, the third contact of the third switch and the fourth contact of the fourth switch share an output terminal, and the output terminal is connected with the high/low operating position of the wiper motor.
Preferably, the control system for the windscreen wiper and the flushing device further comprises a first diode, a second diode, a third diode, a fourth diode; wherein the first diode is disposed between the second contact of the third switch and the first contact of the sixth delay switch; the second diode is arranged between the third contact of the fifth delay switch and the first contact of the sixth delay switch; the third diode is arranged between the third contact of the sixth time delay switch and the high/low working position of the wiper motor; the fourth diode is arranged between the output end and the high/low working position of the wiper motor.
The present application also provides a method for setting a control system suitable for a windscreen wiper and a flushing device, comprising the steps of:
step 1: selecting the wiper motor to work or the wiper motor and the flushing motor to work together according to the requirement;
step 2: when the wiper motor is selected to work, the third switch or the fourth switch is pressed down, so that the first contact of the third switch is communicated with the third contact of the third switch or the first contact of the fourth switch is communicated with the third contact of the fourth switch, and the wiper motor works;
when the wiper motor and the flushing motor are selected to work together, a first switch is pressed down, so that a first contact of the first switch is connected with a third contact of the first switch, the first switch is set to automatically disconnect the first contact of the first switch from the third contact of the first switch after a first preset time, and meanwhile, the first contact of a second delay switch is set to be connected with the third contact of the second delay switch; after the first contact of the second delay switch is connected with the third contact for a second preset time, the first contact of the fifth delay switch is connected with the third contact of the fifth delay switch, and the first contact of the sixth delay switch is connected with the third contact of the sixth delay switch, so that the wiper motor works;
after the third preset time is set, connecting a first contact of a sixth delay switch with a second contact of the sixth delay switch;
and after the fourth preset time is set, disconnecting the first contact of the second delay switch from the third contact of the second delay switch.
Preferably, the first preset time is 2 seconds; the second preset time is 2 seconds; the third preset time is 8 seconds; the fourth preset time is 3 seconds.
The control system suitable for windshield wiper and washing unit of this application increases there is the washer motor, and can make the washer motor use with the wiper motor cooperation to the realization is taken into account with the matching nature control of windshield wiper device, has realized the convenience of operation, and with the matching nature of windshield wiper device, realizes that a key operation starts to wash windshield wiper automatic re-setting.
Drawings
Figure 1 is a system schematic of a control system suitable for use with a windscreen wiper and a flushing device according to a first embodiment of the present application.
Reference numerals:
Figure GDA0002838101280000031
Figure GDA0002838101280000041
Detailed Description
In order to make the implementation objects, technical solutions and advantages of the present invention clearer, the technical solutions in the embodiments of the present invention will be described in more detail below with reference to the accompanying drawings in the embodiments of the present invention. In the drawings, the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The described embodiments are only some, but not all embodiments of the invention. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention. Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience in describing the present invention and for simplifying the description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the scope of the present invention.
Figure 1 is a system schematic of a control system suitable for use with a windscreen wiper and a flushing device according to a first embodiment of the present application.
The control system suitable for use with a windscreen wiper and a flushing device as shown in fig. 1 comprises a first switch 1, a second delay switch 2, a third switch 3, a fourth switch 4, a fifth delay switch 5, a sixth delay switch 6, a flushing motor 7, a wiper motor 8; the first contact of the first switch is connected with a first power supply; the third contact of the first switch is connected with the control end of the second delay switch; a first contact of the second delay switch is connected with a first power supply;
a third contact of the second time delay switch is connected with the flushing motor; a third contact of the second delay switch is connected with the control end of the fifth delay switch and the first contact of the fifth delay switch; the first contact of the third switch is connected with the second power supply;
the second contact of the third switch is connected with the first contact of the sixth delay switch; the third contact of the third switch is connected with the high/low working position of the wiper motor;
a first contact of the fourth switch is connected with a second power supply; the second contact of the fourth switch is connected with the first contact of the sixth delay switch; a third contact of the fourth switch is connected with the high/low working position of the wiper motor;
a third contact of the fifth delay switch is connected with a first contact of the sixth delay switch;
a second contact of the sixth time delay switch is connected with a reset working position of the wiper motor;
and a third contact of the sixth time delay switch is connected with the high/low working position of the wiper motor.
The control system suitable for windshield wiper and washing unit of this application increases there is the washer motor, and can make the washer motor use with the wiper motor cooperation to the realization is taken into account with the matching nature control of windshield wiper device, has realized the convenience of operation, and with the matching nature of windshield wiper device, realizes that a key operation starts to wash windshield wiper automatic re-setting.
Referring to fig. 1, in the present embodiment, the third contact of the third switch and the fourth contact of the fourth switch share an output terminal, and the output terminal is connected to the high/low operating positions of the wiper motor.
Referring to fig. 1, in the present embodiment, the control system for the windscreen wiper and the flushing device further comprises a first diode 11, a second diode 12, a third diode 13, a fourth diode 14; wherein,
the first diode 11 is arranged between the second contact of the third switch and the first contact of the sixth delay switch;
the second diode 12 is arranged between the third contact of the fifth delay switch and the first contact of the sixth delay switch;
the third diode 13 is arranged between the third contact of the sixth time delay switch and the high/low working position of the wiper motor;
a fourth diode 14 is provided between the output and the high/low operating position of the wiper motor.
Series flow can be prevented by providing diodes.
The present application also provides a method for setting a control system suitable for a windscreen wiper and a flushing device, comprising the steps of:
step 1: selecting the wiper motor to work or the wiper motor and the flushing motor to work together according to the requirement;
step 2: when the wiper motor is selected to work, the third switch or the fourth switch is pressed down, so that the first contact of the third switch is communicated with the third contact of the third switch or the first contact of the fourth switch is communicated with the third contact of the fourth switch, and the wiper motor works;
when the wiper motor and the flushing motor are selected to work together, a first switch is pressed down, so that a first contact of the first switch is connected with a third contact of the first switch, the first switch is set to automatically disconnect the first contact of the first switch from the third contact of the first switch after a first preset time, and meanwhile, the first contact of a second delay switch is set to be connected with the third contact of the second delay switch; after the first contact of the second delay switch is connected with the third contact for a second preset time, the first contact of the fifth delay switch is connected with the third contact of the fifth delay switch, and the first contact of the sixth delay switch is connected with the third contact of the sixth delay switch, so that the wiper motor works;
after the third preset time is set, connecting a first contact of a sixth delay switch with a second contact of the sixth delay switch;
and after the fourth preset time is set, disconnecting the first contact of the second delay switch from the third contact of the second delay switch.
In this embodiment, the first preset time is 2 seconds; the second preset time is 8 seconds; the third preset time is 2 seconds; the fourth preset time is 3 seconds.
The control system suitable for windshield wiper and washing unit of this application should only need a key operation through three delay switch (time delay relay) combination, realizes accomplishing according to the time logic of predetermineeing and washes and the wiper function, has left out traditional timer control, and the circuit is succinct, and cost reduction lightens weight. The automatic resetting problem of the windshield wiper is solved by reasonably applying the switching of the normally open contact and the normally closed contact. In the flushing state, the reset process after the windshield wiper works is automatically completed through the switching of normally open and normally closed contacts of the delay release relay; when the windshield wiper is in a windshield wiper state, when a pilot presses a windshield wiper button of the collective pitch lever to finish the windshield wiper, the reset process is automatically started by switching between normally open contacts and normally closed contacts of the button; the circuit design also only needs one-key control, so that the problem of synchronous follow-up of the windshield wiper and the reset function is reasonably solved, the complexity of independent control is avoided, the operation is simplified, and the function is not simplified.
The present application is further illustrated by way of example below. It will be understood that this example does not constitute any limitation to the present application.
Referring to fig. 1, the activation of the windshield wiper circuit is described: the driver presses the third switch or the fourth switch, the third switch or the fourth switch is switched on by pressing button contacts 1 and 3, the high-low working gear of the wiper motor is switched on, the default is the low-speed gear, the driver can select, and the wiper device of the windshield wiper starts wiping work; the driver presses the third switch or the fourth switch, the contacts 2 and 1 of the third switch or the fourth switch are connected, the wiper motor is in a reset gear, automatic reset is realized, and current input is needed during reset because power drive is needed for wiper reset.
Start windshield flush circuit description: after the first switch is pressed down, the contacts A1 and A3 of the first switch are switched on, the system starts to supply power, and the first switch automatically rebounds after 2 s; the contacts 1 and 3 of the second time delay switch are sucked, a 28V power supply is input into the washing motor, and the washing liquid spraying operation is started for 13 s; after 2s, the contacts A3 and A1 of the fifth delay switch are attracted, the contacts 1 and 3 of the sixth delay switch are attracted, and the wiper motor starts to work; after 8s, the sixth time delay switch is released, the contacts 2 and 1 are switched on, and the windshield wiper automatically resets; after 3s, the second delay switch is released, the contacts 2 and 1 are connected, no current is input, the fifth delay switch is released, the contacts A2 and A1 are connected, and a 13s work cycle is finished.
Finally, it should be pointed out that: the above examples are only for illustrating the technical solutions of the present invention, and are not limited thereto. Although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims (5)

1. A control system suitable for windscreen wipers and washing devices, characterized in that it comprises a first switch (1), a second time-delay switch (2), a third switch (3), a fourth switch (4), a fifth time-delay switch (5), a sixth time-delay switch (6), a washing motor (7), a wiper motor (8); wherein,
a first contact of the first switch is connected with a first power supply; the third contact of the first switch is connected with the control end of the second delay switch;
the first contact of the second delay switch is connected with the first power supply; a third contact of the second time delay switch is connected with the flushing motor; the third contact of the second delay switch is connected with the control end of the fifth delay switch and the first contact of the fifth delay switch;
the first contact of the third switch is connected with a second power supply; the second contact of the third switch is connected with the first contact of the sixth delay switch; the third contact of the third switch is connected with the high/low working position of the wiper motor;
a first contact of the fourth switch is connected with the second power supply; the second contact of the fourth switch is connected with the first contact of the sixth delay switch; a third contact of the fourth switch is connected with a high/low working position of the wiper motor;
the third contact of the fifth delay switch is connected with the first contact of the sixth delay switch;
the second contact of the sixth time delay switch is connected with the reset working position of the wiper motor;
and a third contact of the sixth time delay switch is connected with the high/low working position of the wiper motor.
2. The control system for a windshield wiper and washer apparatus as recited in claim 1 wherein the third contact of said third switch shares an output with the fourth contact of said fourth switch, said output being connected to the high/low operating positions of said wiper motor.
3. A control system for a windscreen wiper and flushing device according to claim 2, wherein said control system for a windscreen wiper and flushing device further comprises a first diode (11), a second diode (12), a third diode (13), a fourth diode (14); wherein,
the first diode (11) is arranged between the second contact of the third switch and the first contact of the sixth delay switch;
the second diode (12) is arranged between the third contact of the fifth delay switch and the first contact of the sixth delay switch;
the third diode (13) is arranged between the third contact of the sixth time delay switch and the high/low working position of the wiper motor;
the fourth diode (14) is arranged between the output end and the high/low working position of the wiper motor.
4. A method of setting up a control system for a windscreen wiper and a flushing device, according to any of the claims 1-3, wherein said method of setting up a control system for a windscreen wiper and a flushing device comprises the steps of:
step 1: selecting the wiper motor to work or the wiper motor and the flushing motor to work together according to the requirement;
step 2: when the wiper motor is selected to work, the third switch or the fourth switch is pressed down, so that the first contact of the third switch is communicated with the third contact of the third switch or the first contact of the fourth switch is communicated with the third contact of the fourth switch, and the wiper motor works;
when the wiper motor and the flushing motor are selected to work together, a first switch is pressed down, so that a first contact of the first switch is connected with a third contact of the first switch, the first switch is set to automatically disconnect the first contact of the first switch from the third contact of the first switch after a first preset time, and meanwhile, the first contact of a second delay switch is set to be connected with the third contact of the second delay switch; after the first contact of the second delay switch is connected with the third contact for a second preset time, the first contact of the fifth delay switch is connected with the third contact of the fifth delay switch, and the first contact of the sixth delay switch is connected with the third contact of the sixth delay switch, so that the wiper motor works;
after the third preset time is set, connecting a first contact of a sixth delay switch with a second contact of the sixth delay switch;
and after the fourth preset time is set, disconnecting the first contact of the second delay switch from the third contact of the second delay switch.
5. A method of setting up a control system for a windscreen wiper and flushing device according to claim 4, wherein said first predetermined period of time is 2 seconds; the second preset time is 2 seconds; the third preset time is 8 seconds; the fourth preset time is 3 seconds.
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Publication number Priority date Publication date Assignee Title
CN110901880A (en) * 2019-12-04 2020-03-24 中国直升机设计研究所 Control method and control system for windshield wipers and windshield washing device

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR19980041504U (en) * 1996-12-23 1998-09-25 김영귀 Washer Interlocking Wiper Drive Circuit of Automobile
JPH10329656A (en) * 1997-06-02 1998-12-15 Omron Corp Wiper driver
US6069461A (en) * 1998-11-16 2000-05-30 Ford Global Technologies, Inc. Digital or resistorless interval wiper switch and system
CN201872722U (en) * 2010-11-25 2011-06-22 北京睿永康科技有限公司 Water spraying windscreen wiper device
CN201923080U (en) * 2010-07-30 2011-08-10 丹东星光电器有限公司 Windshield wiper intermittent controller
CN105584461A (en) * 2014-11-07 2016-05-18 现代自动车株式会社 System For Controlling Spraying Of Washer Fluid Of Wiper Blade
CN106536297A (en) * 2014-07-17 2017-03-22 法雷奥系统公司 Wiper system for motor vehicle with screen wash system

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR19980041504U (en) * 1996-12-23 1998-09-25 김영귀 Washer Interlocking Wiper Drive Circuit of Automobile
JPH10329656A (en) * 1997-06-02 1998-12-15 Omron Corp Wiper driver
US6069461A (en) * 1998-11-16 2000-05-30 Ford Global Technologies, Inc. Digital or resistorless interval wiper switch and system
CN201923080U (en) * 2010-07-30 2011-08-10 丹东星光电器有限公司 Windshield wiper intermittent controller
CN201872722U (en) * 2010-11-25 2011-06-22 北京睿永康科技有限公司 Water spraying windscreen wiper device
CN106536297A (en) * 2014-07-17 2017-03-22 法雷奥系统公司 Wiper system for motor vehicle with screen wash system
CN105584461A (en) * 2014-11-07 2016-05-18 现代自动车株式会社 System For Controlling Spraying Of Washer Fluid Of Wiper Blade

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