CN204726381U - Super sonic automobile windshield wiper system - Google Patents
Super sonic automobile windshield wiper system Download PDFInfo
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- CN204726381U CN204726381U CN201520057249.6U CN201520057249U CN204726381U CN 204726381 U CN204726381 U CN 204726381U CN 201520057249 U CN201520057249 U CN 201520057249U CN 204726381 U CN204726381 U CN 204726381U
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- super sonic
- ultrasonic
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- transmission device
- windshield
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Abstract
The utility model provides a kind of super sonic automobile windshield wiper system, comprises the ultrasonic transmission device and ultrasonic probe, ultrasonic receiver that are separately positioned on windshield both sides; Ultrasonic transmission device comprises power supply, ultrasound transmitting transducer and transducer driving circuit, drives ultrasonic transducer to send super sonic, whole Windshield produces ultrasonic travelling wave by transducer driving circuit; Ultrasonic probe, ultrasonic receiver receives the super sonic that ultrasound transmitting transducer sends over, and changes acoustical signal into electric signal and consumes electric power through power consumpting device; Or be connected with the power supply of ultrasonic transmission device by charge circuit, super sonic receiving transducer is automobile power source charging after acoustical signal being converted to electric signal; Super sonic makes Windshield produce micro-vibration, both can remove the impurity such as rainwater, mud, also can prevent the dirt attachments such as dust on the windshield; The advantages such as system has that structure is simple, convenient operation, stable performance, clean scope are large.
Description
Technical field
The utility model belongs to automotive field, relates to a kind of high frequency electronic equipment, particularly relates to a kind of super sonic automobile windshield wiper system.
Background technology
Along with the develop rapidly of modern science and technology, in the various fields of commercial production and social life, design engineer is more and more from the angle deisgn product of hommization, and people not only pursue the practical value of product, and more focuses on its visual effect and the cleanliness of unit design.Aerodynamics is the key factor of lifting vehicle performance, what no matter discuss is how soon vehicle can run or how be fuel-efficiently, this be also why automobile manufacturing company continue a flower huge sum of money allow product more streamline to reduce gap, development trend sky power accessory equipment, even to do subtraction to design.And use super sonic rain brush to replace conventional rubber rain brush being just the reduction of the skeleton windage of rubber rain brush, this for the automaker pursuing ultimate attainment performance highly significant.
Existing conventional rubber rain brush is the longest in history part of automobile, and be originally manual unit, although used electro-motor afterwards instead to instead of manpower, in turn introducing can by the automatically actuated wiper of rain sensor.But the groundwork of this device is never modified, namely rubber brush is driven to erase sleet on Windshield and impurity with metallic support.In general some problem below ubiquity: if motor damage, rain brush is motionless or swing unable; If period of service is long, brush holder support distortion or rotary part corrosion, thus cause abnormal sound or cause brush rain uneven because of pressure inequality; If brushing piece is aging or excessively dirty, swabbing can be caused clean or leave over vestige; If brushing piece mild steel bar is lifted one's head, glass is caused to be scratched; The sight line of chaufeur can be blocked when sleet sky mechanical rubber rain brush works
Description
The purpose of this utility model is to overcome prior art defect, provides the super sonic automobile windshield wiper system that a kind of properity is stable, and avoiding traditional rain brush affects vision, travels and causes resistance, and hold damageable problem to vehicle.
For achieving the above object, the technical scheme that the utility model adopts is:
A kind of super sonic automobile windshield wiper system, comprises the ultrasonic transmission device and ultrasonic probe, ultrasonic receiver that are separately positioned on windshield both sides; Described ultrasonic transmission device comprises power supply, ultrasound transmitting transducer and transducer driving circuit, and power supply is that transducer driving circuit is powered, and drives ultrasonic transducer to send ultrasonic travelling wave by transducer driving circuit; The power consumpting device that described ultrasonic probe, ultrasonic receiver comprises super sonic receiving transducer and is connected with super sonic receiving transducer; Or super sonic receiving transducer is connected with the power supply of ultrasonic transmission device by charge circuit.
Further, described charge circuit comprises the voltage transformer, rectifier bridge and the transistor amplifier that are connected successively with super sonic receiving transducer, electric signal after the conversion of super sonic receiving transducer is input to through the rectification of overcommutation bridge after transformer pressure-reducing, then amplifies to transistor amplifier and be charged on power supply.
Further, described power consumpting device is made up of the inductance in parallel with super sonic receiving transducer and resistance.
Further, described class AB push-pull power amplifier adopts voltage transformer coupling amplifier.
Further, described ultrasonic transmission device and ultrasonic probe, ultrasonic receiver are separately positioned on above and below windshield, or are separately positioned on left and the right of windshield.
Further, described power acquisition storage battery.
Super sonic automobile windshield wiper system of the present utility model, comprise super ultrasonic transmission device and the ultrasonic probe, ultrasonic receiver being arranged on windshield both sides respectively, it is a kind of virtual Wiper system, transducer is converted to mechanical horsepower (i.e. super sonic) the electric power of input and passes, super sonic makes Windshield produce micro-vibration, thus removes the impurity such as rainwater, mud.System architecture is simple, convenient operation, stable performance, clean scope greatly, the not advantage such as obstruct the view, visbility can not only be improved, the problem that under can also avoiding cold snap, traditional rain brush and glass freeze together, both wiper motor weight can be alleviated, also can reduce windscreen wiper frame windage, reduce air resistance.
Super sonic makes Windshield produce micro-vibration, and hypracoustic vibration is micron-sized, the naked eyes of people cannot observe that not affecting vision ensure that driving safety, the opposite side of Windshield is equipped with super sonic receiving transducer, the super sonic passed over is converted to electric signal and changes electric power through power consumpting device consumption, or reclaim electric energy by the power supply of charge circuit and ultrasonic transmission device, reduce energy consumption.
Accompanying drawing explanation
Fig. 1 is the horizontal mounting means schematic diagram of the utility model super sonic automobile windshield wiper system;
Fig. 2 is longitudinal mounting means one schematic diagram of the utility model super sonic automobile windshield wiper system;
Fig. 3 is longitudinal mounting means two schematic diagram of the utility model super sonic automobile windshield wiper system;
Fig. 4 is the functional block diagram of ultrasonic transmission device in the utility model;
Fig. 5 is the schematic circuit diagram of ultrasonic transmission device in the utility model;
Fig. 6 is the schematic circuit diagram of ultrasonic probe, ultrasonic receiver in the utility model;
Fig. 7 is the equivalent circuit diagram of receiving transducer in the utility model;
Fig. 8 is the schematic diagram of charge circuit in the utility model.
Detailed description of the invention
Be described in detail to the utility model below in conjunction with accompanying drawing, the utility model is not limited to a kind of embodiment.
Super sonic automobile windshield wiper system of the present utility model comprises the ultrasonic transmission device and ultrasonic probe, ultrasonic receiver that are separately positioned on windshield both sides, described ultrasonic transmission device comprises power supply, dual output just, negative DC-DC change-over circuit, sine wave signal generator, class AB push-pull power amplifier and ultrasound transmitting transducer, described dual output just, the pwm pulse signal that negative DC-DC change-over circuit is produced by control circuit is just being input to dual output after driving circuit amplifies, the N-channel MOS FET pipe of negative DC-DC change-over circuit carries out switch control rule and is just producing, negative voltage, described class AB push-pull power amplifier is by sine wave generator input sine wave signal, outputting to ultrasound transmitting transducer after offset of sinusoidal signal amplifies drives ultrasonic transducer to send ultrasonic travelling wave, the power consumpting device that described ultrasonic probe, ultrasonic receiver comprises super sonic receiving transducer and is connected with super sonic receiving transducer, super sonic receiving transducer is received the super sonic that ultrasound transmitting transducer sends over, acoustical signal is changed into electric signal and change electric power through power consumpting device consumption, or super sonic receiving transducer is by the power supply of charge circuit and ultrasonic transmission device, super sonic receiving transducer is power source charges after acoustical signal being converted to electric signal.
Embodiment 1
As shown in Figure 1, the present embodiment is below automobile engine cover, driver side close to front windshield position is provided with ultrasonic transmission device and comprises storage battery 1, feedway electronic compartment 2 and ultrasound transmitting transducer 201, storage battery 1 is connected with the ultrasound transmitting transducer 201 on shield glass by electric wire, storage battery is that whole ultrasonic transmission device is powered, ultrasonic transducer is made to send ultrasonic travelling wave, at this moment Windshield starts micro-vibration, opposite side arranges super sonic receiving transducer, comprise receiving device electronic compartment 3 and super sonic receiving transducer 301, the super sonic sended over is received by super sonic receiving transducer 301.Whole Windshield face produces the ultrasonic travelling wave from ultrasound transmitting transducer 201 side to opposite side super sonic receiving transducer 301.Ultrasonic probe, ultrasonic receiver is arranged on the copilot side below automobile engine cover, receiving device electronic compartment 3 is connected by the super sonic receiving transducer 301 of electric wire with front windshield copilot side, except super sonic transmitting, receiving transducer, other devices are installed in feedway electronic compartment 2 and receiving device electronic compartment 3.
As Fig. 4 gives the functional block diagram of the utility model ultrasonic transmission device, storage battery provides direct voltage source for whole system, vdc exports positive and negative vdc through the conversion of DC-DC converter Switching Power Supply, positive and negative voltage is connected to class AB (AB class) push-pull amplifier, and the AC signal that class AB (AB class) push-pull amplifier is produced by sine wave signal generator provides incoming signal to amplify it.The electric power of the AC sine wave signal after amplification is converted to mechanical horsepower (i.e. super sonic) by ultrasonic transducer and launches.
The utility model is equipped with ultrasound transmitting transducer in the side of windshield, convert the electric power that ultrasonic transmission device exports to mechanical horsepower (i.e. super sonic) to pass, that glass produces micro-vibration, and hypracoustic vibration is micron-sized, the naked eyes of people cannot observe, the opposite side of Windshield is equipped with super sonic receiving transducer, and the super sonic passed over is converted to electric signal.
Ultrasonic transmission device of the present utility model is primarily of storage battery, the positive and negative DC-DC converter of dual output, class AB (AB class) push-pull amplifier, and sine wave signal generator and transducer form.And the positive and negative DC-DC converter of dual output is made up of control circuit, driving circuit, Switching Power Supply three part.
Fig. 5 gives ultrasonic transmission device physical circuit schematic diagram of the present utility model, control circuit adopts SG3525 (pwm chip) chip, pin 1 is by electric capacity C13 ground connection, pin 2 is by resistance R8 ground connection, pin 9 is by resistance R10 and electric capacity C13 ground connection, pin 5 and pin 7 are by electric capacity C14 ~ electric capacity C16 ground connection, pin 6 is by resistance R11 ground connection, pin 12 ground connection, pin 16 is by resistance R8, R9 ground connection, pin 10 is by resistance R12 ground connection, pin 8 is by electric capacity C17 ground connection, pin 13 and 15 meets voltage source V CC, voltage source V CC is by electric capacity C12 ground connection, pin 11 exports pwm pulse signal and connects driving circuit IR2110 chip input end pin 12 by resistance R7.Driving circuit IR2110 chip pin 11 ~ pin 13 and pin 2 ground connection, pin 3 and pin 9 meet voltage source V CC, pin 3 is by chemical capacitor C2 C3 ground connection in parallel, pin 5 is connected by electric capacity C1 with pin 6, pin 6 is by the earth of diode D1 and chemical capacitor C2 and C3, pin 5 connects N-channel MOS pipe source electrode, pin 1 connects N-channel MOS tube grid by resistance R1, pin 7 connects N-channel MOS pipe source electrode by resistance R2, the drain electrode of N-channel MOS pipe meets voltage source V CC by inductance, the drain electrode of N-channel MOS pipe is by diode D2 and resistance R3, R4, chemical capacitor C4 ~ C6, the earth of electric capacity C7, N-channel MOS pipe source ground and resistance R5, R6, chemical capacitor C8 ~ C10, the sine wave generating circuit in parallel of electric capacity C11 adopts ICL8038 chip, pin 7 is connected with pin 8, pin 5 meets voltage source V CC by resistance R13, pin 4 meets voltage source V CC by resistance R14, pin 1 connects the slide plate of slide rheostat R18, pin 10 is by electric capacity C18, the parallel connection of C19 and slide rheostat R15, resistance R16 meets voltage source V CC, pin 10 is by electric capacity C18, the parallel connection of C19 and resistance R17, slide rheostat R18 meets voltage source V CC, pin 12 connects the slide plate of slide rheostat R15, pin 2 connects the positive pole of class AB (AB class) push-pull amplifier circuit voltage transformer TF1 primary winding by resistance R20, pin 2 is by resistance R19 ground connection, the negative earth of voltage transformer TF1 primary winding, the NPN type triode base stage Q1 of class AB (AB class) push-pull amplifier circuit is by electric capacity C7 ground connection, PNP transistor Q2 base stage is by electric capacity C11 ground connection, the output primary positive pole of voltage transformer TF1 connects NPN transistor Q1 base stage, voltage transformer TF1 output primary negative pole connects PNP transistor Q2 base stage, the secondary centre tap of voltage transformer TF1 is by variable resistance R22 ground connection, the secondary centre tap of voltage transformer TF1 is by resistance R21 and battery ground, the secondary centre tap of voltage transformer TF1 connects the emitter of PNP transistor Q2 by variable resistance R22 and resistance R24, NPN transistor Q1 emitter connects the emitter of PNP transistor Q2 by resistance R23 and resistance R24, the collecting electrode of NPN transistor Q1 connects the positive pole of voltage transformer TF2 primary winding, the secondary centre tap of voltage transformer TF1 connects the primary center tap of voltage transformer TF2 by resistance R21, the collecting electrode of PNP transistor Q2 connects the negative pole of voltage transformer TF2 primary winding, voltage transformer TF2 level connects the two ends of transducer piezoelectric ceramic piece Y1.VCC all in figure connects the positive pole of storage battery, battery negative post ground connection.
Meanwhile, also disclose a kind of ultrasonic probe, ultrasonic receiver, receiving system is comparatively simple, is made up of transducer, inductance, resistor coupled in parallel.As shown in Figure 6, receiving transducer Y1 and inductance L 1 and resistance R1 is parallel with one another connects.
As shown in Figure 7, be the equivalent circuit diagram of receiving transducer, transducer is equivalent to electric capacity C1 and r1 connection and connects.
Embodiment 2
As shown in Figure 2, the present embodiment is below automobile engine cover, driver side close to front windshield position is provided with storage battery and ultrasonic transmission device, be connected with the ultrasound transmitting transducer above shield glass by electric wire, storage battery provides voltage source for whole ultrasonic transmission device, ultrasonic transducer is sent along front windshield ultrasonic travelling wave obliquely (when vehicle stationary or low speed, with the gravity combined action of sleet, accelerate the removing speed of sleet), at this moment Windshield starts micro-vibration, and super sonic receiving transducer is housed below front windshield receives the super sonic sended over.Ultrasonic probe, ultrasonic receiver is arranged on the copilot side below automobile engine cover, is connected with the super sonic receiving transducer below front windshield by electric wire.Its ultrasonic transmission device and the parts of ultrasonic probe, ultrasonic receiver and the connecting relation of parts identical with embodiment 1.The present embodiment be applicable to vehicle stationary or the speed of a motor vehicle lower when work, the general speed of a motor vehicle is less than 40km/h.
Embodiment 3
As shown in Figure 3, the present embodiment is below automobile engine cover, driver side close to front windshield position is provided with storage battery and ultrasonic transmission device, be connected with the ultrasound transmitting transducer below shield glass by electric wire, storage battery is that whole ultrasonic transmission device is powered, ultrasonic transducer is sent along front windshield ultrasonic travelling wave obliquely (when galloping, the wind combined action head-on blown with automobile, accelerate the removing speed of sleet), at this moment Windshield starts micro-vibration, the super sonic receiving transducer be arranged on above front windshield receives the super sonic sended over.Ultrasonic probe, ultrasonic receiver is arranged on the copilot side below automobile engine cover, is connected with the super sonic receiving transducer above front windshield by electric wire.Its ultrasonic transmission device and the parts of ultrasonic probe, ultrasonic receiver and the connecting relation of parts identical with embodiment 1.The present embodiment is applicable to work when the speed of a motor vehicle is higher, is generally greater than 40km/h.
Embodiment 4
The parts of ultrasonic transmission device are identical with former embodiment, its receiving system is connected on the storage battery of ultrasonic transmission device by transducer by charge circuit, transducer is the battery charge of ultrasonic transmission device after acoustical signal being converted to electric signal, that energy regenerating utilizes, reach energy-conservation effect, environmental protection is convenient.As shown in Figure 8, the electric signal after transducer conversion is input to the rectification through overcommutation bridge VD1-VD4 after voltage transformer T1 step-down to charge circuit, then to the amplification of two aerotrons Q1, Q2, is charged on storage battery.
Specific works process prescription of the present utility model is as follows:
Storage battery provides voltage source for ultrasonic transmission device, behind turn-on voltage source, control circuit in ultrasonic transmission device produces pwm pulse signal, pwm pulse signal is input to the input end of driving circuit, driving circuit amplifies pwm pulse signal, pwm pulse signal after amplification is used for driving N channel mosfet pipe, it is carried out to the operation of closed and disconnected, realize the switch control rule of DC-DC converter, thus DC-DC conversion circuit is just exporting, negative voltage, the generating positive and negative voltage that DC-DC conversion circuit obtains is as the base bias voltage of class AB (AB class) push-pull amplifier two transistors, the sine wave signal of the input end access sine wave generator output of class AB (AB class) amplifier, according to signal just, negative half-cycle, two transistors replace offset of sinusoidal ripple signal and amplify, sine wave signal after amplification connects transducer two ends, Windshield side, transducer is converted to mechanical horsepower (i.e. super sonic) the electric power of input and passes, super sonic makes Windshield produce micro-vibration, thus removing rainwater, the any type of impurity such as mud.Super sonic is delivered to the receiving transducer of opposite side by Windshield, acoustical signal is converted to resistance and the inductance that electric signal outputs to load by receiving transducer, be the battery charge of ultrasonic transmission device after making its load consumption power down power or transducer acoustical signal is converted to electric signal, energy regenerating is utilized.
Claims (5)
1. super sonic automobile windshield wiper system, is characterized in that: comprise the ultrasonic transmission device and ultrasonic probe, ultrasonic receiver that are separately positioned on windshield both sides;
Described ultrasonic transmission device comprises power supply, ultrasound transmitting transducer and transducer driving circuit, and power supply is that transducer driving circuit is powered, and drives ultrasonic transducer to send super sonic by transducer driving circuit;
The power consumpting device that described ultrasonic probe, ultrasonic receiver comprises super sonic receiving transducer and is connected with super sonic receiving transducer; Or super sonic receiving transducer is connected with the power supply of ultrasonic transmission device by charge circuit.
2. super sonic automobile windshield wiper system according to claim 1, it is characterized in that: described charge circuit comprises the voltage transformer, rectifier bridge and the transistor amplifier that are connected successively with super sonic receiving transducer, electric signal after the conversion of super sonic receiving transducer is input to through the rectification of overcommutation bridge after transformer pressure-reducing, then amplifies to transistor amplifier and be charged on power supply.
3. super sonic automobile windshield wiper system according to claim 1, is characterized in that: described power consumpting device is made up of the inductance in parallel with super sonic receiving transducer and resistance.
4. the super sonic automobile windshield wiper system according to Claims 2 or 3, it is characterized in that: described ultrasonic transmission device and ultrasonic probe, ultrasonic receiver are separately positioned on above and below windshield, or be separately positioned on left and the right of windshield.
5. the super sonic automobile windshield wiper system according to Claims 2 or 3, is characterized in that: described power acquisition storage battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520057249.6U CN204726381U (en) | 2015-01-27 | 2015-01-27 | Super sonic automobile windshield wiper system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520057249.6U CN204726381U (en) | 2015-01-27 | 2015-01-27 | Super sonic automobile windshield wiper system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204726381U true CN204726381U (en) | 2015-10-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520057249.6U Expired - Fee Related CN204726381U (en) | 2015-01-27 | 2015-01-27 | Super sonic automobile windshield wiper system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204726381U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106515670A (en) * | 2016-11-29 | 2017-03-22 | 南京集羽电子科技有限公司 | Ultrasonic cleaning type windscreen wiper |
-
2015
- 2015-01-27 CN CN201520057249.6U patent/CN204726381U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106515670A (en) * | 2016-11-29 | 2017-03-22 | 南京集羽电子科技有限公司 | Ultrasonic cleaning type windscreen wiper |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151028 Termination date: 20180127 |