CN106427900A - Ultrasound air windshield wiper - Google Patents

Ultrasound air windshield wiper Download PDF

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Publication number
CN106427900A
CN106427900A CN201611067613.2A CN201611067613A CN106427900A CN 106427900 A CN106427900 A CN 106427900A CN 201611067613 A CN201611067613 A CN 201611067613A CN 106427900 A CN106427900 A CN 106427900A
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CN
China
Prior art keywords
air
air outlet
rain
ultrasonic
rainfall
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Granted
Application number
CN201611067613.2A
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Chinese (zh)
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CN106427900B (en
Inventor
俞峰
张凤珍
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HAIMEN HUANGHAI PIONEER PARK SERVICES CO., LTD.
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Nanjing Yu Yu Electronic Technology Co Ltd
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Priority to CN201611067613.2A priority Critical patent/CN106427900B/en
Publication of CN106427900A publication Critical patent/CN106427900A/en
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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
    • B60S1/023Cleaning windscreens, windows or optical devices including defroster or demisting means
    • B60S1/026Cleaning windscreens, windows or optical devices including defroster or demisting means using electrical means
    • 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
    • B60S1/54Cleaning windscreens, windows or optical devices using gas, e.g. hot air

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Cleaning In General (AREA)

Abstract

The invention relates to the field of auto spare parts, and particularly relates to an ultrasound air windshield wiper. The ultrasound air windshield wiper comprises an ultrasound system and an air system. Moisture in front windshield of an automobile is got ridden of by triple functions of ultrasound, wind force and high temperature. With the triple functions, the ultrasound air windshield wiper can not only remove stains in the windshield, but also have a better rainwater eliminating effect, and can remove fog in the inner side of the windshield through heated air at the same time; besides, through a rainwater eliminating control system, opening and closing of an upper air outlet and a lower air outlet are controlled according to different rainfall; meanwhile, a control valve is used to control power of an ultrasonic transducer, therefore efficiency in rainwater eliminating is improved, and energy is saved.

Description

A kind of ultrasonic air rain brush
Technical field
The present invention relates to auto parts machinery field, more particularly, to a kind of ultrasonic air rain brush.
Background technology
On rainy day, in the process of moving, rain spatters, on front windshield, have a strong impact on the sight line of driver, deposit automobile In very big potential safety hazard.Orthodox car wiper, is swung back and forth on front windshield using windscreen wiper bar, refreshes glass surface rain Drip, make that getting a clear view of motorist is open, rain is bigger, and wiper motion frequency is higher, but the work of windscreen wiper bar still can Affect the sight line of driver to a certain extent.Simultaneously as the mucus of water is easily not readily dissolved on windshield etc., wiper Water stain on glass cannot be scraped clean, affect the visual field, jeopardize traffic safety.
Ultrasound wave is the sound wave that a kind of frequency is higher than 20000 hertz, its good directionality, and penetration capacity is by force it is easy to obtain The acoustic energy of relatively concentration, remote in water transmission distance, can be used for finding range, test the speed, clean, welding, rubble, sterilizing etc..
Ultrasound wave is a kind of density interphase in cleanout fluid, the high frequency waves of radiation propagation, so that liquid at high speed is back and forth shaken Dynamic.Have little time to supplement due to the liquid of surrounding in the negative pressuren zone of vibration, form countless slight vacuum bubbles, and in zone of positive pressure, Micro-bubble closes suddenly under stress, in closing course due to liquid between mutually collision produce powerful shock wave and formed The high instantaneous high pressure up to thousand of atmospheric pressure, acts on the article being cleaned by;Greasy, impurity on article for the absorption is even Continue and depart from rapidly, thus reaching the purpose of cleaning under continuous Instantaneous High Pressure;Said process is ultrasonic cavitation.
On the other hand, theoretical research shows, under the conditions of amplitude identical, the energy of an object vibration and frequency of vibration It is directly proportional, when ultrasound wave is propagated in media as well, the frequency of medium particle vibration is very high, thus energy is very big, if ultrasound wave It is passed through in water, violent vibration can make water be broken into many little droplets, here it is the principle of ultrasonic humidifier.
Content of the invention
It is an object of the invention to wiper impact driver's seat in solution prior art, except water stain halfway technology Problem.
To achieve these goals, technical scheme is as follows,
A kind of ultrasonic air rain brush is it is characterised in that described ultrasonic air rain brush includes ultrasonic system and air system;
Described ultrasonic system includes the ultrasonic transducer positioned at front windshield both sides;Described ultrasonic transducer includes gold Belong to cover plate, negative electricity pole piece, upper piezoelectric ceramic piece, positive electrical pole piece, lower piezoelectric potsherd, lower metal cover board, prestressing force screw rod And insulation tube, upper metal cover board, negative electricity pole piece, upper piezoelectric ceramic piece, positive electrical pole piece, lower piezoelectric potsherd and lower crown cap Plate is arranged in order, and is fixed by prestressing force screw rod, and insulation tube is located between piezoelectric ceramic piece and prestressing force screw rod, described ultrasonic Wave transducer is connected with high-frequency oscillation voltage power supply by wire;When rain is dropped in front windshield, ultrasonic transducer The ultrasound wave launched makes windscreen surface liquid at high speed of reciprocating vibration, in the negative pressuren zone vibrating because the liquid of surrounding comes Not as good as supplementing, form countless slight vacuum bubbles, and in zone of positive pressure, micro-bubble closes suddenly under stress, is closing In journey due to liquid between mutually collision produce powerful shock wave and form the instantaneous high pressure reaching as high as thousand of atmospheric pressure, effect On the windshield so that absorption comes off rapidly under continuously Instantaneous High Pressure in the greasy, impurity on article, from And reach the effect of cleaning.
Described air system includes air inlet, air inlet pipe, air compression plant, escape pipe and air outlet, and air is from air inlet Pipe flow enters air compression plant, after overcompression, sprays through air outlet;Described air inlet pipe is through car radiator, profit With the heat that electromotor produces, air is heated, hot-air sprays and on the one hand can dry up outside windshield, also can remove The fog that windshield produces;
Described air outlet includes lower air outlet, lower edge outside windshield, and air outlet direction is along windshield upwards.
Due to ultrasound wave produced by ultrasonic transducer, violent vibration makes the water of windscreen surface be broken into many Little droplet, air outlet unlatching instantly, the gas spraying from lower air outlet can be easier to blow the little droplet producing on windshield Walk, thus playing the effect except rain.
As a modification of the present invention, the air system of described ultrasonic air rain brush is also included except rain control system;Institute State air outlet and also include air outlet, upper edge outside windshield, air outlet direction is downward along windshield;Described remove Rain control system can control closing and the unlatching of air outlet.
As a modification of the present invention, the air system of described ultrasonic air rain brush also includes rain sensor;Described Except rain control system one end is connected with rain sensor, the other end controls the opening and closing of air outlet, except rain control system is pre- If a rainfall definite value, the rainfall of rain sensor feedback is higher than rainfall definite value, and windshield wiper control system controls lower air outlet to open, Upper air outlet is closed, and the rainfall of rain sensor feedback is less than rainfall definite value, except rain control system controls upper air outlet to open, under Air outlet is closed.
Raindrop fall on the windshield, are acted on by ultrasound wave, and raindrop are broken into many little droplets in glass surface;Vapour In the process of moving, little droplet is subject to action of gravity and wind-force obliquely to car, and when rainfall is less, it is oblique that little droplet is subject to On wind-force effect be less than action of gravity, little droplet Impact direction along windshield downwards, now opens air rain brush, and rainfall passes The rainfall of sensor feedback is less than rainfall definite value, and except rain control system controls upper air outlet to open, lower air outlet is closed, air-out direction Consistent with raindrop Impact direction, the efficiency except rain, energy saving can be improved;When rainfall is larger, the action of gravity that raindrop are subject to Less than wind-force effect obliquely, little droplet Impact direction along windshield upwards, now opens air rain brush, rain sensor The rainfall of feedback is higher than rainfall definite value, descends air outlet to open except rain control system controls, upper air outlet closing, air-out direction and rain Drip Impact direction consistent, the efficiency except rain, energy saving can be improved.
As a modification of the present invention, described ultrasonic air rain brush include numerical value input mould except rain control system Block, for inputting rainfall definite value;Numerical value comparison module, for judging the rainfall value of rain sensor feedback and the big of rainfall definite value Little relation;Air outlet control module, on the output control according to numerical value comparison module, air outlet and lower air outlet are turned on and off.
As a modification of the present invention, outside the ultrasonic transducer of described ultrasonic air rain brush, there is waterproof insulated heat Housing;Ensure ultrasonic transducer can in the larger outdoor environment of moist or the temperature difference normal work.
As a modification of the present invention, the ultrasonic transducer of described ultrasonic air rain brush can produce 60kHz-100kHz Ultrasound wave;When ultrasonic frequency within this range, the percussion that produces in disappearance process of hole that cavitation produces is very prominent Go out, play more preferable cleaning performance.
As a modification of the present invention, it is ultrasonic that the ultrasonic transducer of described ultrasonic air rain brush also includes a regulation The regulating valve of wave frequency.
As a modification of the present invention, regulating valve one end of described ultrasonic air rain brush is connected with ultrasonic transducer, The other end is connected with rain sensor;Regulating valve can be according to the size adjustment ultrasonic transducer of the rainfall of rain sensor feedback Produce the frequency of ultrasound wave.
With respect to prior art, advantages of the present invention is as follows,
Replace the wiper on front windshield with ultrasonic air rain brush, the barrier of unobstructed pilot's line of vision again on front windshield Hinder thing, the moisture on glass is removed due to ultrasonic, wind-force and high temperature triple role, both can efficiently remove on windshield Spot, but also with preferably removing rain effect, the air simultaneously heating can also remove the fog of windshield;In addition, By except rain control system is according to different rainfall, in control, air outlet, the opening and closing of lower air outlet, can improve the effect except rain Rate, energy saving;Pass through the power of governor valve control ultrasonic transducer simultaneously, can further improve the efficiency except rain, save The energy.
Brief description
Fig. 1 is ultrasonic air rain brush schematic diagram
Fig. 2 is except rain control system schematic diagram
In figure 1 is air inlet, and 2 is air inlet pipe, and 3 is engine radiator, and 4 is air compression plant, and 5 is escape pipe, and 6 is except rain Control system, 7 is upper air outlet, and 8 is lower air outlet, and 9 is ultrasonic transducer, and 601 is numerical value input module, and 602 is numerical value Comparison module, 603 air outlet control modules.
Specific embodiment
Below in conjunction with the accompanying drawings and be embodied as the present invention is described in detail.
Embodiment 1:
Referring to Fig. 1, a kind of ultrasonic air rain brush is it is characterised in that described ultrasonic air rain brush includes ultrasonic system and air system System;
Described ultrasonic system includes the ultrasonic transducer 9 positioned at front windshield both sides;Described ultrasonic transducer includes Metal cover board, negative electricity pole piece, upper piezoelectric ceramic piece, positive electrical pole piece, lower piezoelectric potsherd, lower metal cover board, prestressing force spiral shell Bar and insulation tube, upper metal cover board, negative electricity pole piece, upper piezoelectric ceramic piece, positive electrical pole piece, lower piezoelectric potsherd and lower metal Cover plate is arranged in order, and is fixed by prestressing force screw rod, and insulation tube is located between piezoelectric ceramic piece and prestressing force screw rod, described super Acoustic wave transducer is connected with high-frequency oscillation voltage power supply by wire;When rain is dropped in front windshield, ultrasonic wave transducer The ultrasound wave that device is launched makes windscreen surface liquid at high speed of reciprocating vibration, in the negative pressuren zone vibrating due to the liquid of surrounding Have little time to supplement, form countless slight vacuum bubbles, and in zone of positive pressure, micro-bubble closes suddenly under stress, in closure During due to liquid between mutually collision produce powerful shock wave and form the instantaneous high pressure reaching as high as thousand of atmospheric pressure, make With coming off rapidly under continuously Instantaneous High Pressure so that adsorbing in the greasy, impurity on article on the windshield, Thus reaching the effect of cleaning.
Described air system includes air inlet 1, air inlet pipe 2, air compression plant 3, escape pipe 5 and air outlet 7,8, air Flow into air compression plant 3 from air inlet pipe 2, after overcompression, spray through air outlet 8;Described air inlet pipe 2 is through automobile engine Radiator 4, is heated to air using the heat that electromotor produces, and hot-air sprays and on the one hand can dry up outside windshield Side, also can remove the fog of windshield generation;
Described air outlet includes lower air outlet 8, lower edge outside windshield, and air outlet direction is along windshield upwards.
Due to ultrasound wave produced by ultrasonic transducer 9, violent vibration makes the water of windscreen surface be broken into perhaps How little droplet, instantly air outlet open, the gas spraying from lower air outlet can be easier the little droplet producing on windshield Blow away, thus playing the effect except rain.
As a modification of the present invention, the air system of described ultrasonic air rain brush is also included except rain control system 6; Described air outlet also includes air outlet 7, upper edge outside windshield, and air outlet direction is downward along windshield;Described Except rain control system 6 can control closing and the unlatching of air outlet.
As a modification of the present invention, the air system of described ultrasonic air rain brush also includes rain sensor;Described Except rain control system 6 one end is connected with rain sensor, the other end controls the opening and closing of air outlet, except rain control system 6 A default rainfall definite value, the rainfall of rain sensor feedback is higher than rainfall definite value, and windshield wiper control system 6 controls lower air outlet 8 Open, upper air outlet 7 is closed, the rainfall of rain sensor feedback is less than rainfall definite value, except rain control system controls upper air outlet 7 Open, lower air outlet 8 is closed.
Raindrop fall on the windshield, are acted on by ultrasound wave, and raindrop are broken into many little droplets in glass surface;Vapour In the process of moving, little droplet is subject to action of gravity and wind-force obliquely to car, and when rainfall is less, it is oblique that little droplet is subject to On wind-force effect be less than action of gravity, little droplet Impact direction along windshield downwards, now opens air rain brush, and rainfall passes The rainfall of sensor feedback is less than rainfall definite value, and except rain control system 6 controls upper air outlet 7 to open, lower air outlet 8 is closed, air-out Direction is consistent with raindrop Impact direction, can improve the efficiency except rain, energy saving;When rainfall is larger, the gravity that raindrop are subject to Less than wind-force effect obliquely, little droplet Impact direction along windshield upwards, now opens air rain brush, and rainfall passes for effect The rainfall of sensor feedback is higher than rainfall definite value, descends air outlet 8 to open except rain control system controls, upper air outlet 7 is closed, air-out side To consistent with raindrop Impact direction, the efficiency except rain, energy saving can be improved.
Embodiment 2:
Referring to Fig. 2, as a modification of the present invention, described air rain brush include numerical value input module except rain control system 6 601, for inputting rainfall definite value;Numerical value comparison module 602, for judging rainfall value and the rainfall definite value of rain sensor feedback Magnitude relationship;Air outlet control module 603, on the output control according to numerical value comparison module, air outlet and lower air outlet are opened Or close.Remaining structure is identical with embodiment 1 with advantage.
Embodiment 3:
As a modification of the present invention, outside the ultrasonic transducer of described ultrasonic air rain brush, there is waterproof insulated heat shell Body;Ensure ultrasonic transducer can in the larger outdoor environment of moist or the temperature difference normal work.Remaining structure and advantage with Embodiment 1 is identical.
Embodiment 4:
As a modification of the present invention, the ultrasonic transducer of described ultrasonic air rain brush can produce the super of 60kHz-100kHz Sound wave;When ultrasonic frequency within this range, the percussion that produces in disappearance process of hole that cavitation produces is very prominent, To more preferable cleaning performance.Remaining structure is identical with embodiment 1 with advantage.
Embodiment 5:
As a modification of the present invention, the ultrasonic transducer of described ultrasonic air rain brush also includes a ultrasonic wave frequency of regulation The regulating valve of rate.Remaining structure is identical with embodiment 1 with advantage.
Embodiment 6:
As a modification of the present invention, regulating valve one end of described ultrasonic air rain brush is connected with ultrasonic transducer, another End is connected with rain sensor;Regulating valve can produce according to the size adjustment ultrasonic transducer of the rainfall of rain sensor feedback The frequency of ultrasound wave.Remaining structure is identical with embodiment 1 with advantage.
It is new that at least one of technical characteristic described in embodiment 2-6 can also be combined formation by the present invention with embodiment 1 Embodiment.
It should be noted that above-described embodiment is only presently preferred embodiments of the present invention, it is not used for limiting the present invention's Protection domain, the equivalent made on the basis of the above or replacement belong to protection scope of the present invention.

Claims (6)

1. a kind of ultrasonic air rain brush is it is characterised in that described ultrasonic air rain brush includes ultrasonic system and air system;
Described ultrasonic system includes the ultrasonic transducer positioned at front windshield both sides;Described ultrasonic transducer includes gold Belong to cover plate, negative electricity pole piece, upper piezoelectric ceramic piece, positive electrical pole piece, lower piezoelectric potsherd, lower metal cover board, prestressing force screw rod And insulation tube, upper metal cover board, negative electricity pole piece, upper piezoelectric ceramic piece, positive electrical pole piece, lower piezoelectric potsherd and lower crown cap Plate is arranged in order, and is fixed by prestressing force screw rod, and insulation tube is located between piezoelectric ceramic piece and prestressing force screw rod, described ultrasonic Wave transducer is connected with high-frequency oscillation voltage power supply by wire;
Described air system includes air inlet, air inlet pipe, air compression plant, and escape pipe, except rain control system, rain sensor And air outlet, air flows into air compression plant from air inlet pipe, after overcompression, sprays through air outlet;
Described air inlet pipe heats air through car radiator;
Described air outlet includes air outlet and lower air outlet, and upper air outlet is located at upper edge, air outlet direction outside windshield Downward along windshield;Lower air outlet is located at lower edge outside windshield, and air outlet direction is along windshield upwards;
Described be connected with rain sensor except rain control system one end, the other end controls the opening and closing of air outlet, except rain control One rainfall definite value of systemic presupposition processed, the rainfall of rain sensor feedback is higher than rainfall definite value, and windshield wiper control system goes out under controlling Air port is opened, and upper air outlet is closed, and the rainfall of rain sensor feedback is less than rainfall definite value, except rain control system controls upper air-out Mouth is opened, and lower air outlet is closed.
2. ultrasonic air rain brush as claimed in claim 1 is it is characterised in that described input mould except rain control system includes numerical value Block, for inputting rainfall definite value;Numerical value comparison module, for judging the rainfall value of rain sensor feedback and the big of rainfall definite value Little relation;Air outlet control module, on the output control according to numerical value comparison module, air outlet and lower air outlet are turned on and off.
3. ultrasonic air rain brush as claimed in claim 2 is it is characterised in that there is waterproof adiabatic outside described ultrasonic transducer Protective housing.
4. ultrasonic air rain brush as claimed in claim 3 is it is characterised in that described ultrasonic transducer can produce 60kHz- The ultrasound wave of 100kHz.
5. ultrasonic air rain brush as claimed in claim 4 is it is characterised in that described ultrasonic transducer also includes a regulation The regulating valve of ultrasonic frequency.
6. ultrasonic air rain brush as claimed in claim 5 is it is characterised in that described regulating valve one end is connected with ultrasonic transducer Connect, the other end is connected with rain sensor.
CN201611067613.2A 2016-11-29 2016-11-29 A kind of ultrasonic air rain brush Active CN106427900B (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110406500A (en) * 2019-08-02 2019-11-05 浙江农林大学暨阳学院 A kind of automobile side-window de-watering apparatus
CN111114249A (en) * 2019-12-26 2020-05-08 佳木斯大学 Ultrasonic vibration type front windshield

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011079542A1 (en) * 2009-12-31 2011-07-07 Li Changzhi Water-removing device for rearview mirror face and front-door window glass of automobile
CN201923087U (en) * 2010-12-23 2011-08-10 山东理工大学 Automatic defogging device for automobile front windshield
CN104709241A (en) * 2015-01-27 2015-06-17 陕西师范大学 Energy-saving ultrasonic wave invisible automobile windshield wiper system
CN204567581U (en) * 2015-04-28 2015-08-19 长城汽车股份有限公司 A kind of defrosting duct, a/c system and automobile
CN105083223A (en) * 2015-07-16 2015-11-25 浙江吉利汽车研究院有限公司 System and method for removing dust and rain of automobile front windshield

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011079542A1 (en) * 2009-12-31 2011-07-07 Li Changzhi Water-removing device for rearview mirror face and front-door window glass of automobile
CN201923087U (en) * 2010-12-23 2011-08-10 山东理工大学 Automatic defogging device for automobile front windshield
CN104709241A (en) * 2015-01-27 2015-06-17 陕西师范大学 Energy-saving ultrasonic wave invisible automobile windshield wiper system
CN204567581U (en) * 2015-04-28 2015-08-19 长城汽车股份有限公司 A kind of defrosting duct, a/c system and automobile
CN105083223A (en) * 2015-07-16 2015-11-25 浙江吉利汽车研究院有限公司 System and method for removing dust and rain of automobile front windshield

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110406500A (en) * 2019-08-02 2019-11-05 浙江农林大学暨阳学院 A kind of automobile side-window de-watering apparatus
CN111114249A (en) * 2019-12-26 2020-05-08 佳木斯大学 Ultrasonic vibration type front windshield

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Effective date of registration: 20190422

Address after: 226100 Gangxi Avenue 999, Binhai New Area, Haimen City, Jiangsu Province

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