CN107150661A - A kind of screen wiper for automobile - Google Patents
A kind of screen wiper for automobile Download PDFInfo
- Publication number
- CN107150661A CN107150661A CN201710269872.1A CN201710269872A CN107150661A CN 107150661 A CN107150661 A CN 107150661A CN 201710269872 A CN201710269872 A CN 201710269872A CN 107150661 A CN107150661 A CN 107150661A
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- China
- Prior art keywords
- infrared
- timers
- electric capacity
- port
- resistance
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- 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.)
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Classifications
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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
- B60S1/0833—Optical rain sensor
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- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Mechanical Engineering (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
The invention discloses a kind of screen wiper for automobile, including infrared light detection raindrop circuit, photoelectric conversion module, controller and the motor-drive circuit for motor；Infrared light detection raindrop circuit, which is received, to be converted into after optical signal in electric signal feeding controller, and electric signal is handled and carries out differentiating that the size of raindrop carrys out motor work so as to controlled motor drive circuit；Infrared light detection raindrop circuit includes infrared transmitter and infrared radiation receiving circuit, the present invention utilizes infrared detection raindrop, and infrared transmitter and infrared radiation receiving circuit are arranged on to the inside of automobile, windscreen wiper is not disturbed by external environment condition, stable realizes the automatic work of wiper.
Description
Technical field
The present invention relates to intelligent automobile technical field, particularly a kind of screen wiper for automobile.
Background technology
Rain brush is the equipment that the raindrop and dust that are attached in vehicle windscreen are removed for brushing, to improve driver's
Visibility, increases traffic safety.Nearly all local automobile all carries rain brush, lifts the vehicle rear window of the back of the body vehicle such as car and Recreational Vehicle
It is also equipped with rain brush.In addition to automobiles, other means of transports are also provided with rain brush, seem train, electric car etc..
On rainy day, when raindrop is trickled down on glass for vehicle window, the sight of front side is hindered soon, vehicle, pedestrian
All thickened with scenery unclear.Now, wiper is opened, front side will be a piece of clear.If the rainy day drives vehicle, do not make
Broken down with wiper or wiper and if cisco unity malfunction, it is very unfavorable to traffic safety.
（1）Before heavy rain, it should check whether vehicle wiper can normal work.
（2）Heavy rain day, rapidly and the raindrop of big is beaten on windscreen, even if wiper moves fast again, also difficulty is scraped
Net rainfall point, causes the sight of driver to be affected, in order to ensure traffic safety, should stagnation of movement immediately.
Wiper is that to driver one, clearly the bright visual field ensures locomotive by the front screen wiped clean of driver's cabin
Traffic safety, if the wiper used on current automobile is manual control when having sleety weather, driver also needs manually operated
Wiper；The working strength for adding driver easily leads to driving accident.Traditional electric windshield wiper is directly felt by human eye
By the size of raindrop on car windscreen, and then judge by human brain the action of wiper；When raining, raindrop low can arrive automobile
On windshield, driver can not be clearly observed the scene of vehicle front, it is necessary to open wiper by windshield
Ponding understand, just can guarantee that the clear visual field of driver, it is to avoid the generation of traffic accident, but the wiper used at present is all
Driver's manual unlocking is needed to work.
The content of the invention
The technical problems to be solved by the invention are to overcome the deficiencies in the prior art and provide a kind of intelligence for automobile
Wiper, the present invention utilizes infrared detection raindrop, and infrared transmitter and infrared radiation receiving circuit are arranged on into automobile
Inside, do not disturbed windscreen wiper by external environment condition, stable realizes the automatic work of wiper.
The present invention uses following technical scheme to solve above-mentioned technical problem：
Turned according to a kind of screen wiper for automobile proposed by the present invention, including infrared light detection raindrop circuit, photoelectricity
Change the mold block, controller and the motor-drive circuit for motor；Infrared light detection raindrop circuit includes infrared emitting
Circuit and infrared radiation receiving circuit；Infrared transmitter launches infrared light to windshield, and infrared light is through windshield
Reflection outputs optical signals to infrared radiation receiving circuit, and infrared radiation receiving circuit, which is used to export the optical signal received to photoelectricity, to be turned
Block is changed the mold, photoelectric conversion module is used to convert optical signals in electric signal feeding controller, and controller is used to enter electric signal
Row handles and carries out differentiating that the size of raindrop carrys out motor work so as to controlled motor drive circuit；Wherein,
Infrared transmitter includes 555 timers, voltage-regulator diode, infrared-emitting diode, first to 3rd resistor, first
Electric capacity, the second electric capacity and NPN triode；Wherein, the 1st port of 555 timers is connected to ground, the 5th port of 555 timers with
One end connection of second electric capacity, the other end of the second electric capacity is connected to ground, the 2nd port of 555 timers and the one of the first electric capacity
End connection, the other end of the first electric capacity is connected to ground, the 6th port of 555 timers and the 2nd port of 555 timers, the second electricity
One end of resistance, the negative pole of voltage-regulator diode are connected respectively, the 7th port of 555 timers and the positive pole of voltage-regulator diode, the second electricity
The other end of resistance, one end of first resistor are connected respectively, the other end of first resistor and power supply, the 4th port of 555 timers,
8th port of 555 timers, the positive pole of infrared-emitting diode are connected respectively, the 3rd port of 555 timers and 3rd resistor
One end connection, the base stage of the other end of 3rd resistor and NPN triode connects, the colelctor electrode and infrared emission of NPN triode
The negative pole connection of diode, the emitter stage of NPN triode is connected to ground；
Infrared radiation receiving circuit includes infrared receiver chip, the 3rd electric capacity, the 4th resistance and the 5th resistance；Wherein, infrared receiver
The power end of chip is connected with+5V power supplys, one end of the earth terminal of infrared receiver chip and the 3rd electric capacity, infrared receiver chip
Output end, earth terminal are connected respectively, and the other end of the 3rd electric capacity is connected with+5V power supplys, the output end of infrared receiver chip and the
One end connection of four resistance, the other end of the 4th resistance is connected with one end of the 5th resistance, and the other end and the ground of the 5th resistance connect
Connect, the other end of the 4th resistance is connected with controller.
As a kind of further prioritization scheme of screen wiper for automobile of the present invention, controller is 89C51
Single-chip microcomputer.
As a kind of further prioritization scheme of screen wiper for automobile of the present invention, infrared receiver chip is
TK1838 chips.
It is used as a kind of further prioritization scheme of screen wiper for automobile of the present invention, the type of voltage-regulator diode
Number be IN4614.
As a kind of further prioritization scheme of screen wiper for automobile of the present invention, the first electric capacity is
0.01uF。
The present invention uses above technical scheme compared with prior art, with following technique effect：
（1）The present invention utilizes infrared detection raindrop, and infrared transmitter and infrared radiation receiving circuit are arranged on into automobile
Inside, do not disturbed windscreen wiper by external environment condition, stable realizes the automatic work of wiper；
（2）It is simple in construction, good reliability of the invention, easy to maintenance, and being capable of effectively automatic sensing work.
Embodiment
Technical scheme is described in further detail below：
Those skilled in the art of the present technique are it is understood that unless expressly stated, singulative " one " used herein, " one
It is individual ", " described " and "the" may also comprise plural form.It is to be further understood that what is used in the specification of the present invention arranges
Diction " comprising " refer to there is the feature, integer, step, operation, element and/or component, but it is not excluded that in the presence of or addition
Other one or more features, integer, step, operation, element, component and/or their group.It should be understood that when we claim member
Part is " connected " or during " coupled " to another element, and it can be directly connected or coupled to other elements, or can also exist
Intermediary element.In addition, " connection " used herein or " coupling " can include wireless connection or coupling.Wording used herein
"and/or" includes one or more associated any cells for listing item and all combined.
Those skilled in the art of the present technique are it is understood that unless otherwise defined, all terms used herein（Including skill
Art term and scientific terminology）With the general understanding identical meaning with the those of ordinary skill in art of the present invention.Also
It should be understood that those terms defined in such as general dictionary should be understood that with the context of prior art
The consistent meaning of meaning, and unless defined as here, will not be explained with idealization or excessively formal implication.
A kind of screen wiper for automobile of the present invention, including infrared light detection raindrop circuit, opto-electronic conversion mould
Block, controller and the motor-drive circuit for motor；Infrared light detection raindrop circuit includes infrared transmitter
And infrared radiation receiving circuit；Infrared transmitter launches infrared light to windshield, and infrared light reflects through windshield
Infrared radiation receiving circuit is output optical signals to, infrared radiation receiving circuit is used to export the optical signal received to opto-electronic conversion mould
Block, photoelectric conversion module is used to convert optical signals in electric signal feeding controller, and controller is used for electric signal
Manage and carry out differentiating that the size of raindrop carrys out motor work so as to controlled motor drive circuit；Wherein,
Infrared transmitter includes 555 timers, voltage-regulator diode, infrared-emitting diode, first to 3rd resistor, first
Electric capacity, the second electric capacity and NPN triode；Wherein, the 1st port of 555 timers is connected to ground, the 5th port of 555 timers with
One end connection of second electric capacity, the other end of the second electric capacity is connected to ground, the 2nd port of 555 timers and the one of the first electric capacity
End connection, the other end of the first electric capacity is connected to ground, the 6th port of 555 timers and the 2nd port of 555 timers, the second electricity
One end of resistance, the negative pole of voltage-regulator diode are connected respectively, the 7th port of 555 timers and the positive pole of voltage-regulator diode, the second electricity
The other end of resistance, one end of first resistor are connected respectively, the other end of first resistor and power supply, the 4th port of 555 timers,
8th port of 555 timers, the positive pole of infrared-emitting diode are connected respectively, the 3rd port of 555 timers and 3rd resistor
One end connection, the base stage of the other end of 3rd resistor and NPN triode connects, the colelctor electrode and infrared emission of NPN triode
The negative pole connection of diode, the emitter stage of NPN triode is connected to ground；
Infrared radiation receiving circuit includes infrared receiver chip, the 3rd electric capacity, the 4th resistance and the 5th resistance；Wherein, infrared receiver
The power end of chip is connected with+5V power supplys, one end of the earth terminal of infrared receiver chip and the 3rd electric capacity, infrared receiver chip
Output end, earth terminal are connected respectively, and the other end of the 3rd electric capacity is connected with+5V power supplys, the output end of infrared receiver chip and the
One end connection of four resistance, the other end of the 4th resistance is connected with one end of the 5th resistance, and the other end and the ground of the 5th resistance connect
Connect, the other end of the 4th resistance is connected with controller.
Controller can be 89C51 single-chip microcomputers, and infrared receiver chip is TK1838 chips, the model of voltage-regulator diode
IN4614, the first electric capacity is 0.01uF.
Infrared light detection raindrop circuit is arranged in automobile, and infrared ray is launched to windshield, is by detecting reflection
The infrared light for returning to receive number differentiate the sizes of raindrop, situation of the infrared ray by lens according to windshield have
Rain is returned a number of infrared ray without rain return, and the infrared ray reflected is absorbed by infrared radiation receiving circuit and is converted to phase
Answer the electric signal of numerical value to send into controller controlled motor drive circuit to act windscreen wiper accordingly, infrared receiver during no rain
The infrared external reflection light that circuit is received is most, once there is raindrop on windshield, infrared radiation receiving circuit is received
Infrared external reflection light accordingly reduce.
Above content is to combine specific preferred embodiment further description made for the present invention, it is impossible to assert
The specific implementation of the present invention is confined to these explanations.For general technical staff of the technical field of the invention,
On the premise of not departing from present inventive concept, some simple deductions or replacement can also be made, should all be considered as belonging to the present invention's
Protection domain.
Claims (5)
1. a kind of screen wiper for automobile, it is characterised in that including infrared light detection raindrop circuit, opto-electronic conversion mould
Block, controller and the motor-drive circuit for motor；Infrared light detection raindrop circuit includes infrared transmitter
And infrared radiation receiving circuit；Infrared transmitter launches infrared light to windshield, and infrared light reflects through windshield
Infrared radiation receiving circuit is output optical signals to, infrared radiation receiving circuit is used to export the optical signal received to opto-electronic conversion mould
Block, photoelectric conversion module is used to convert optical signals in electric signal feeding controller, and controller is used for electric signal
Manage and carry out differentiating that the size of raindrop carrys out motor work so as to controlled motor drive circuit；Wherein,
Infrared transmitter includes 555 timers, voltage-regulator diode, infrared-emitting diode, first to 3rd resistor, first
Electric capacity, the second electric capacity and NPN triode；Wherein, the 1st port of 555 timers is connected to ground, the 5th port of 555 timers with
One end connection of second electric capacity, the other end of the second electric capacity is connected to ground, the 2nd port of 555 timers and the one of the first electric capacity
End connection, the other end of the first electric capacity is connected to ground, the 6th port of 555 timers and the 2nd port of 555 timers, the second electricity
One end of resistance, the negative pole of voltage-regulator diode are connected respectively, the 7th port of 555 timers and the positive pole of voltage-regulator diode, the second electricity
The other end of resistance, one end of first resistor are connected respectively, the other end of first resistor and power supply, the 4th port of 555 timers,
8th port of 555 timers, the positive pole of infrared-emitting diode are connected respectively, the 3rd port of 555 timers and 3rd resistor
One end connection, the base stage of the other end of 3rd resistor and NPN triode connects, the colelctor electrode and infrared emission of NPN triode
The negative pole connection of diode, the emitter stage of NPN triode is connected to ground；
Infrared radiation receiving circuit includes infrared receiver chip, the 3rd electric capacity, the 4th resistance and the 5th resistance；Wherein, infrared receiver
The power end of chip is connected with+5V power supplys, one end of the earth terminal of infrared receiver chip and the 3rd electric capacity, infrared receiver chip
Output end, earth terminal are connected respectively, and the other end of the 3rd electric capacity is connected with+5V power supplys, the output end of infrared receiver chip and the
One end connection of four resistance, the other end of the 4th resistance is connected with one end of the 5th resistance, and the other end and the ground of the 5th resistance connect
Connect, the other end of the 4th resistance is connected with controller.
2. a kind of screen wiper for automobile according to claim 1, it is characterised in that controller is that 89C51 is mono-
Piece machine.
3. a kind of screen wiper for automobile according to claim 1, it is characterised in that infrared receiver chip is
TK1838 chips.
4. a kind of screen wiper for automobile according to claim 1, it is characterised in that the model of voltage-regulator diode
For IN4614.
5. a kind of screen wiper for automobile according to claim 1, it is characterised in that the first electric capacity is
0.01uF。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710269872.1A CN107150661A (en) | 2017-04-24 | 2017-04-24 | A kind of screen wiper for automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710269872.1A CN107150661A (en) | 2017-04-24 | 2017-04-24 | A kind of screen wiper for automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107150661A true CN107150661A (en) | 2017-09-12 |
Family
ID=59794230
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710269872.1A Pending CN107150661A (en) | 2017-04-24 | 2017-04-24 | A kind of screen wiper for automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107150661A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110103893A (en) * | 2019-04-16 | 2019-08-09 | 北京汽车股份有限公司 | Windshield wiper control device, device and method and automobile |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202358046U (en) * | 2011-10-22 | 2012-08-01 | 成都市翻鑫家科技有限公司 | Intelligent windscreen wiper system |
| CN204506827U (en) * | 2015-01-21 | 2015-07-29 | 徐强 | A kind of intelligent windscreen wiper control system |
| CN205168444U (en) * | 2015-12-03 | 2016-04-20 | 王葆滢 | Intelligence wiper |
| CN205292552U (en) * | 2016-01-14 | 2016-06-08 | 北华大学 | Monitoring of car rainfall and automatic wiper simulation control system |
| CN206031304U (en) * | 2016-08-15 | 2017-03-22 | 株洲车城机车配件有限公司 | Wiper with sensor |
-
2017
- 2017-04-24 CN CN201710269872.1A patent/CN107150661A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202358046U (en) * | 2011-10-22 | 2012-08-01 | 成都市翻鑫家科技有限公司 | Intelligent windscreen wiper system |
| CN204506827U (en) * | 2015-01-21 | 2015-07-29 | 徐强 | A kind of intelligent windscreen wiper control system |
| CN205168444U (en) * | 2015-12-03 | 2016-04-20 | 王葆滢 | Intelligence wiper |
| CN205292552U (en) * | 2016-01-14 | 2016-06-08 | 北华大学 | Monitoring of car rainfall and automatic wiper simulation control system |
| CN206031304U (en) * | 2016-08-15 | 2017-03-22 | 株洲车城机车配件有限公司 | Wiper with sensor |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110103893A (en) * | 2019-04-16 | 2019-08-09 | 北京汽车股份有限公司 | Windshield wiper control device, device and method and automobile |
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| Date | Code | Title | Description |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170912 |