CN104401296A - Cab double-speed windscreen wiper system and application thereof - Google Patents
Cab double-speed windscreen wiper system and application thereof Download PDFInfo
- Publication number
- CN104401296A CN104401296A CN201410676075.1A CN201410676075A CN104401296A CN 104401296 A CN104401296 A CN 104401296A CN 201410676075 A CN201410676075 A CN 201410676075A CN 104401296 A CN104401296 A CN 104401296A
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- China
- Prior art keywords
- wiper
- wiper system
- cab
- rain sensor
- converter adc
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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
- B60S1/0825—Capacitive rain sensor
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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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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/52—Details of compartments for driving engines or motors or of operator's stands or cabins
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Automation & Control Theory (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Abstract
The invention relates to a cab double-speed windscreen wiper system and an application thereof. The windscreen wiper system is provided with a windscreen wiper, a rain sensor and an analog-digital converter, wherein the rain sensor is located on the inner side of a cab windscreen; the rain sensor is connected with a processor; the processor comprises a potentiometer; an analog quantity output port AO and a digital quantity output port DO are formed in the processor; the analog quantity output port AO is connected with the analog-digital converter ADC; the analog-digital converter ADC is provided with a 0-2.5V output section and a 2.5-5V output section; the 0-2.5V output section corresponds to the slow speed gear of a motor; the 2.5-5V output section corresponds to the high speed gear of the motor. The cab double-speed windscreen wiper system provided by the invention has the advantages of being simple, practical, safe and reliable, perfecting the design of a rubber tired crane, better satisfying product safety requirements, guaranteeing operation safety, and improving the working efficiency of an operator.
Description
Technical field
The present invention relates to wiper technical field, specifically, is a kind of driver's cab double speed wiper system and application thereof.
Background technology
At present, about in crane job, because of need of work, all will carry out operation in situation of sometimes raining, but rainfall has impact to driver's cab chaufeur, raindrop are wandered on the windshield, and sight line is thickened, inconvenient driver's operation.
In existing rubber tyre gantry crane design, the speed of driver's cab wiper is all single, can not regulate according to real-time rainfall, and this just causes certain work interference.When rainfall is low, excessive velocities, the crank motion of wiper affects visual cognitive ability; When rainfall is large, speed is excessively slow, and rainwater can not be removed in time, interrupts the view, and reduces work efficiency.
Chinese patent literature CN201310104090, on 03 28th, 2013 applying date, patent name are wiper system, disclose a kind of wiper system, it comprises: driven unit, it comprises rain shaving electrical machine and driving device, wherein rain shaving electrical machine comprises electric machine casing, and driving device comprises gear mechanism housing, and electric motor drives and electric machine casing are mechanically connected with gear mechanism housing; At least one wiper arm group assembly, described wiper arm assembly comprises rain shaving blade; Connecting rod assembly, it is connected to described driven unit and is driven by it, is connected to and drives being set forth in scraping arm assembly; Described wiper system also comprises pintle assembly and support tubes.Wiper system is made to have larger space, but can not according to the speed of rainfall size adjustment wiper.
Chinese patent literature CN201020642183.4, December 06 2010 applying date, patent name is a kind of circuit of stepless time adjustment wiper, disclose a kind of circuit of stepless time adjustment wiper, comprise by metal sheet KKT, resistance R1, R2, the rainwater testing circuit that aerotron Q1 forms, metal sheet KKT one end is connected to the base stage of aerotron Q1 through resistance R1, its other one end is connected to the collecting electrode of aerotron Q1, when metal sheet KKT is entered to soak by raindrop, in short-circuit condition between its two poles of the earth, its output signal is after the emitter contact resistance R2 of aerotron Q1, be delivered to single chip machine controlling circuit IC1 again, button K1 is read by single chip machine controlling circuit IC1, K2, the level state that K3 exports, thus control aerotron Q2 from by the end of the conducting rapid change-over switch time, the wind curette electrical motor M be connected with aerotron Q2 is made to open or close, controlled to export by the wireless adjustment of micro controller system and control electrical motor velocity of rotation, reach i.e. safety but also ensure the effect of sight line, and can according to the individual operating habit of chaufeur, operation push-button realizes controlling functions.
The program controls the conduction property of triode by raindrop size, thus control the velocity of rotation of electrical motor, and the velocity of rotation of wiper, but in real process, can not in time triode conducting by raindrop size, there is the program to implement again too loaded down with trivial details, rely on rainwater to carry out detonator circuit short circuit, dangerous.
In sum, need badly a kind of according to real-time rainfall, reasonable adjusting wiper is fast at a slow speed, and reduce because the slow or too fast work interference brought crossed by wiper, remove rainwater in time, safety is good, the driver's cab double speed wiper system of increasing work efficiency.
Summary of the invention
The object of the invention is for deficiency of the prior art, provide a kind of according to real-time rainfall, reasonable adjusting wiper is fast at a slow speed, reduce because the slow or too fast work interference brought crossed by wiper, timely removing rainwater, safety is good, the driver's cab double speed wiper system of increasing work efficiency.
Another object of the present invention is, provides a kind of driver's cab double speed wiper system and application thereof.
For achieving the above object, the technical scheme that the present invention takes is:
A kind of driver's cab double speed wiper system, described wiper system is provided with wiper, rain sensor, A and D converter, and described rain sensor is positioned at driver's cab windshield; Described rain sensor is connected with treater; Described treater both positive and negative polarity is connected on the power supply that power line voltage is 5V; Described treater comprises potential device; Described treater is provided with analog output port AO and digital output port DO; Described analog output port AO is connected with A and D converter ADC; Described A and D converter ADC is placed in driver's cab; Described A and D converter ADC voltage is divided into 4 grades; Described A and D converter ADC is provided with 0-2.5V deferent segment and 2.5-5V deferent segment; The shelves at a slow speed of the corresponding motor of described 0-2.5V deferent segment; The quick shelves of the corresponding motor of described 2.5-5V deferent segment.
Described wiper assembly contains electrical motor, retarder, four-bar linkage, wiper axle, swept area of wiper blade.
Described rain sensor comprises capacitance-type sensor and infrared loose formula sensor two kinds.
Described rain sensor preferred ir scattering formula sensor.
What described A and D converter ADC selected is 2 A and D converters.
For realizing above-mentioned second object, the technical scheme that the present invention takes is: the described application of wiper system on crane cabin.
The invention has the advantages that:
1, a kind of driver's cab double speed wiper system of the present invention, simple and practical, the safe and reliable perfect design of rubber tired crane, has better met product safety requirement, has ensured operational security, improve the work efficiency of operating personal;
2, whether rainyly adopt rain sensor to respond to the external world, and rainfall size controls wiper swing speed, rainfall hour, reduce wiper speed, avoid work to disturb, when rainfall is large, remove rainwater in time, increase work efficiency;
3, have simple, the feature of feasibility, only needs to add rain sensor and A and D converter ADC just can realize above-mentioned functions.
Accompanying drawing explanation
Accompanying drawing 1 is the structural representation of a kind of driver's cab double speed wiper system of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, detailed description of the invention provided by the invention is elaborated.
Embodiment 1;
Please refer to Fig. 1, Fig. 1 is the structural representation of a kind of driver's cab double speed wiper system of the present invention.Described wiper system is provided with wiper, rain sensor, A and D converter, and described rain sensor is positioned at driver's cab windshield; Described rain sensor is connected with treater; Described treater both positive and negative polarity is connected on the power supply that power line voltage is 5V; Described treater comprises potential device; Described treater is provided with analog output port AO and digital output port DO; Described analog output port AO is connected with A and D converter ADC; Described A and D converter ADC is placed in driver's cab; Described A and D converter ADC voltage is divided into 4 grades; Described A and D converter ADC is provided with 0-2.5V deferent segment and 2.5-5V deferent segment; The shelves at a slow speed of the corresponding motor of described 0-2.5V deferent segment; The quick shelves of the corresponding motor of described 2.5-5V deferent segment.
It should be noted that: described wiper assembly contains electrical motor, retarder, four-bar linkage, wiper axle, swept area of wiper blade.When driver presses the switch of wiper, motor start-up, the rotating speed of electrical motor increases torsion effect driving swing arm through the deceleration of worm and gear, and swing arm drives four-bar linkage, four-bar linkage drives the rotating shaft be arranged in front panel to swing, and finally drives rain shaving blade to sweep Windshield by rotating shaft.
Described rain sensor can respond to whether the external world is rainy, rainfall size; Described rain sensor comprises capacitance-type sensor and infrared loose formula sensor two kinds.Wherein capacitance-type sensor refers to that change the specific inductance capacity of electric capacity, capacitance also changes thereupon, judges the size of rainfall according to the variable quantity of capacitance when to fall electric capacity be between grid to raindrop; Ir scattering formula sensor refers in sensor has light emitting diode (LED) to launch infrared ray, infra red ray transmitting glass incides glass outer surface, when rainy dropping onto on glass, because raindrop are to the scattering of light, make to die down from the light of glassine passback sensor receiving end, judge the whether rainy and rainfall size in the external world thus; Described rain sensor preferred ir scattering formula sensor, to capacitance-type sensor, what rainfall change caused capacitance to change be limited in scope and resistance capacity itself is very little, measures difficult.Sensor location electric capacity is difficult, is subject to outside electromagnetic interference.Be arranged on outside automobile, affect by working environment.Compared with capacitance-type sensor, ir scattering formula sensor is ideal chose, be arranged in driver's cab, not with contacting rain water, under windshield, can long-term stable operation, and a rainfall causes photoelectricity successful, raindrop have obvious regularity to ultrared scattering, and raindrop rain is large, and scattering is stronger.
The signal data of described treater processes sensor, described treater can select the chip with processing signals data to replace, and in this enforcement, preferred processor carrys out the signal data of processes sensor; Described potential device essence is an adjustable resistance, regulates sensitieness by regulating resistance; Described A and D converter ADC is a kind equipment of the discrete signal for the continuous signal of analog form being converted to digital form.Analog signal can be converted to the digital signal representing certain voltage ratio by A and D converter, in the present embodiment, when A and D converter ADC input end receives the voltage signal of 0-5V, its output end voltage divides equally 4 grades, wherein, when modulating output port AO output voltage is between 0-2.5V, exports shelves and be classified as shelves at a slow speed; When modulating output port AO output voltage is between 2.5-5V, exports shelves and be classified as quick shelves; What described A and D converter ADC selected is 2 A and D converters, and conversion rate is fast.
The principle of work of a kind of driver's cab double speed wiper system of the present invention is: first, and whether the rain sensor on driver's cab relies on light scattering power to respond to the external world rainy, and rainfall size, and changes into corresponding signal; The signal spread out of through sensor is through treater process; Then the signal of process is exported through analog output port and be passed to A and D converter ADC, wherein, the shelves at a slow speed of the corresponding motor of 0-2.5V deferent segment of A and D converter ADC, the quick shelves of the corresponding motor of 2.5-5V deferent segment of A and D converter ADC, if when rain sensor collects rainfall little signal, after the treated device process of its signal, the deferent segment of A and D converter is 0-2.5V, with motor at a slow speed shelves be connected, motor speed is reduced, thus the swing speed of wiper is reduced, avoid wiper crank motion to affect driver attention and concentrate; If when rain sensor collects rainfall large signal, the deferent segment of A and D converter is 2.5-5V, is connected with the quick shelves of motor, motor speed increases, thus wiper swing speed is strengthened, and avoids because speed is excessively slow, rainwater can not be removed in time, interrupts the view, and reduces work efficiency.
A kind of driver's cab double speed wiper system of the present invention, simple and practical, the safe and reliable perfect design of rubber tired crane, has better met product safety requirement, has ensured operational security, improve the work efficiency of operating personal; Whether rainyly adopt rain sensor to respond to the external world, and rainfall size controls wiper swing speed, rainfall hour, reduce wiper speed, avoid work to disturb, when rainfall is large, remove rainwater in time, increase work efficiency; Have simple, the feature of feasibility, only need to add rain sensor and A and D converter ADC just can realize above-mentioned functions.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the prerequisite not departing from the inventive method; can also make some improvement and supplement, these improve and supplement and also should be considered as protection scope of the present invention.
Claims (6)
1. a driver's cab double speed wiper system, is characterized in that, described wiper system is provided with wiper, rain sensor, A and D converter, and described rain sensor is positioned at driver's cab windshield; Described rain sensor is connected with treater; Described treater both positive and negative polarity is connected on the power supply that power line voltage is 5V; Described treater comprises potential device; Described treater is provided with analog output port AO and digital output port DO; Described analog output port AO is connected with A and D converter ADC; Described A and D converter ADC is placed in driver's cab; Described A and D converter ADC voltage is divided into 4 grades; Described A and D converter ADC is provided with 0-2.5V deferent segment and 2.5-5V deferent segment; The shelves at a slow speed of the corresponding motor of described 0-2.5V deferent segment; The quick shelves of the corresponding motor of described 2.5-5V deferent segment.
2. wiper system according to claim 1, is characterized in that, described wiper assembly contains electrical motor, retarder, four-bar linkage, wiper axle, swept area of wiper blade.
3. wiper system according to claim 1, is characterized in that, described rain sensor comprises capacitance-type sensor and infrared loose formula sensor two kinds.
4. wiper system according to claim 3, is characterized in that, described rain sensor preferred ir scattering formula sensor.
5. wiper system according to claim 1, is characterized in that, what described A and D converter ADC selected is 2 A and D converters.
6. the application of wiper system on crane cabin described in claim 1-5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410676075.1A CN104401296A (en) | 2014-11-21 | 2014-11-21 | Cab double-speed windscreen wiper system and application thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410676075.1A CN104401296A (en) | 2014-11-21 | 2014-11-21 | Cab double-speed windscreen wiper system and application thereof |
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| Publication Number | Publication Date |
|---|---|
| CN104401296A true CN104401296A (en) | 2015-03-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410676075.1A Pending CN104401296A (en) | 2014-11-21 | 2014-11-21 | Cab double-speed windscreen wiper system and application thereof |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4527105A (en) * | 1982-09-02 | 1985-07-02 | Nissan Motor Company, Limited | Automatic windshield wiper speed control with piezoelectric sensor |
| US20010043047A1 (en) * | 1998-03-19 | 2001-11-22 | Hans-Georg Klug | Windshield wiper system |
| CN101992746A (en) * | 2010-10-22 | 2011-03-30 | 奇瑞汽车股份有限公司 | Windscreen wiper controlling system and method |
| CN202080245U (en) * | 2011-03-24 | 2011-12-21 | 上海智机汽车电子有限公司 | Intelligent automotive windshield wiper control system |
| CN202358048U (en) * | 2011-12-09 | 2012-08-01 | 中国第一汽车股份有限公司 | Intelligent windscreen-wiping control system of commercial vehicle |
| CN203198932U (en) * | 2013-05-28 | 2013-09-18 | 欧传洁 | Automatic automobile windscreen wiper |
| CN204249989U (en) * | 2014-11-21 | 2015-04-08 | 润邦卡哥特科工业有限公司 | A kind of driver's cab double speed wiper system |
-
2014
- 2014-11-21 CN CN201410676075.1A patent/CN104401296A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4527105A (en) * | 1982-09-02 | 1985-07-02 | Nissan Motor Company, Limited | Automatic windshield wiper speed control with piezoelectric sensor |
| US20010043047A1 (en) * | 1998-03-19 | 2001-11-22 | Hans-Georg Klug | Windshield wiper system |
| CN101992746A (en) * | 2010-10-22 | 2011-03-30 | 奇瑞汽车股份有限公司 | Windscreen wiper controlling system and method |
| CN202080245U (en) * | 2011-03-24 | 2011-12-21 | 上海智机汽车电子有限公司 | Intelligent automotive windshield wiper control system |
| CN202358048U (en) * | 2011-12-09 | 2012-08-01 | 中国第一汽车股份有限公司 | Intelligent windscreen-wiping control system of commercial vehicle |
| CN203198932U (en) * | 2013-05-28 | 2013-09-18 | 欧传洁 | Automatic automobile windscreen wiper |
| CN204249989U (en) * | 2014-11-21 | 2015-04-08 | 润邦卡哥特科工业有限公司 | A kind of driver's cab double speed wiper system |
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Application publication date: 20150311 |
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