To control how the process is finished, clean the glass of the vehicle, and device for its implementation

 

(57) Abstract:

The invention relates to electric vehicles and can be used for cleaning the windscreen and glass headlights of the vehicle. The purpose of the invention is to simplify, improve reliability and noise immunity of the control. With this purpose in a known method of controlling the process is finished, clean the glass of the vehicle, is the impact on the particles of dirt on the glass, measuring the controlled parameter, comparing it with the specified and when the negative result of the comparison of the signal about the end of the cleaning process, as controlled parameter using the concentration of dirt particles in the washing liquid flowing down from the glass. For this purpose, the device for implementing the method, the source of exposure to dirt particles on the glass made in the form of wiper blades and spray washer fluid, the receiver is made in the form of a section of drainage pipe associated with the brush, and the Converter is controlled parameter into an electrical signal, mounted on the output section of drainage pipe, made in the form of transparent Windows, fixed in the walls of the site drain Truboprovod section of drainage pipe along an optical axis of the transparent Windows. 2 S. and 1 C.p. f-crystals, 1 Il.

The invention relates to electric vehicles and can be used in automatic cleaning systems and cleaning the glass vehicles.

A known method of controlling the end of the washing and cleaning of the glass of the vehicle from dirt on the degree of attenuation of the refracted and reflected from the boundary between the glass-contamination of the light flux, comparing the amount of attenuation with the set and when the negative result of the comparison signal at the wiper motor and washer about them off.

It is also known a device for controlling the end of the washing and cleaning of the glass of the vehicle containing the sensor contamination of the glass, the output of which is connected in series through the circuit matches the key, time relay connected to the motor pump washer, and connected in series through the trigger and the second key to the wiper motor, and sensor contamination made in the form of n optoelectronic pairs placed along the perimeter of the zone of clearing on the inside of the glass.

A disadvantage of the known solutions is that the control end of the cleaning is p is ratnani. Therefore, there are situations that adversely affect traffic safety, when the device prematurely halts the system of washing and cleaning clean the perimeter of the glass and dirty Central part.

A known method of controlling the end of the washing and cleaning of the glass of the vehicle from dirt on the degree of attenuation of pollutants ultrasonic vibrations, which are passed on glass, comparing the amount of attenuation with the set and when the negative result of the comparison signal about the end of steklosetki.

It is also known a device for controlling the end of the washing and cleaning of the glass of the vehicle from dirt, comprising a generator connected to the ultrasound emitter mounted on one side of the inner surface of the windshield, and the ultrasound receiver, mounted with opposite relative to the emitter side of the windshield and through the serially connected inverter, filter and threshold element connected to the control circuit of the wiper motor.

The disadvantage of the prototype is the complexity of the method and structures associated with the use of ultrasonic colemanite ultrasound can initiate cracks in the glass, what causes the need for various kinds of shock absorbers.

In addition, a prototype is poorly protected from external interference and therefore has low reliability and accuracy of control. Interference for ultrasonic, information fluctuations are not only the low-frequency vibrations from shaking the vehicle for driving on rough roads, but also high-frequency commensurate with the frequency of the ultrasound vibrations of the glass due to the operation of the engine.

The aim of the invention is to simplify, improve reliability and noise immunity of the control.

With this purpose in a known method of controlling the process is finished, clean the glass of the vehicle, is the impact on the particles of dirt on the glass, measuring the controlled parameter, comparing it with the specified and when the negative result of the comparison of the signal about the end of the cleaning process, as controlled parameter using the concentration of dirt particles in the washing liquid flowing down from the glass.

In addition, the concentration of dirt particles in the washing liquid is determined by the transparency of the washing liquid flowing down from the glass.

With this purpose, the device for horses dirt on the glass, the receiver associated with the output through the inverter controlled parameter into an electrical signal with a threshold element connected to the control circuit of the wiper motor, a source of exposure to dirt particles on the glass made in the form of a spray washer fluid and wiper blades, the receiver is made in the form connected with the brush section of drainage pipe and Converter controlled parameter into an electrical signal made in the form of transparent Windows, mounted coaxially in the walls section of drainage pipe, and pollution detector comprising a radiation source and a photodetector mounted on opposite sides of the drain line on the optical axis of the transparent window.

The drawing schematically shows a device for controlling the process is finished, clean the glass of the vehicle. The device comprises a brush 1 wiper, elastic scraper 2, which forms a box-shaped cavity 3, a closed glass 4 vehicles. At the top of the brush 1 has a nozzle 5 is connected to the pipe 6 supply of clean washer fluid. A receiver for collecting dirty washing liquid is a drain , Windows 8, on the optical axis of which is on one side of the pipe 7 has a radiation source 9, and on the other side of the photodetector 10, which represents a sensor contamination. Optoelectronic pair of the source 9 and the sensor 10 with the transparent portion of the pipe 7 is formed Converter controlled parameter (concentration of particles of dirt in the dirty washing liquid into an electric signal. The photodetector 10 is connected to a threshold element formed by winding an electromagnetic relay 11, the armature of which is connected with the contact 12, is included in the power supply circuit of the electric motors 13 and 14 of the wiper and washer. Brush 1 through a system of levers and crank mechanism (not shown) connected to the axle of the electric motor 13 of the wiper. The axis of the electric motor 14 of the washer is connected to a pump (not shown) washer, hydraulic output of which is connected to the pipe 6 supply of clean washer fluid.

The device operates as follows. When the supply voltage through the normally closed contact 12 motors 13 and 14 lead to the movement of the brush 1 and the washer pump. Brush 1, moving through the glass 4, scrapes dirt scraper 5. Into the cavity 3 through the pipe 6 and the nozzle 5 is supplied washing is litraly, passing by transparent Windows 8 and modulating the brightness of the luminous flux from the led 9 to the photodetector 10. The photodetector 10 includes a photodiode and an electronic amplifier. While the concentration of dirt particles in the washing liquid is large, the luminous flux from the source 9 is dissipated mainly on the dirt particles contained in the flowing through the pipeline 7 fluid. The current output of the electronic amplifier of the photodetector 10 is small, it is insufficient for operation of the relay 11, the threshold element. When the concentration of dirt in the cleaning will be reduced to an acceptable value, the dispersion of the luminous flux in the pipe 7 will decrease the current from the photo-sensor 10 increases, the relay 11 operates and disconnects the contact 12 in the power supply circuit of the electric motors 13 and 14. The process of mevki and cleaning glass 4 ends.

Thus, the control end of the washing and cleaning of glass of a vehicle by analyzing transparency dirty washing liquid can improve the quality of cleaning the glass and to reduce the consumption of washer fluid, and ultimately to improve traffic safety.

1. To control how the process is finished, clean the glass of the vehicle, is the impact on particles grasevina of the signal about the end of the cleaning process, characterized in that, to simplify, improve reliability and noise immunity of the control, as a controlled parameter using the concentration of dirt particles in the washing liquid flowing down from the glass.

2. The method according to p. 1, characterized in that the concentration of dirt particles in the washing liquid flowing down from the glass, determined by its transparency.

3. Device for controlling the process is finished, clean the glass of the vehicle containing the source of exposure to dirt on the glass, the receiver associated with the output through the inverter controlled parameter into an electrical signal with a threshold element connected to the control circuit of the wiper motor, characterized in that, to simplify, improve reliability and noise immunity control, exposure source for dirt on the glass made in the form of a spray washer fluid and wiper blades, the receiver is made in the form connected with the brush section of drainage pipe and Converter controlled parameter into an electrical signal made in the form of transparent Windows, fixed coaxially in the walls section of drainage pipe, and the sensor segrated on the optical axis of the transparent Windows.

 

Same patents:

FIELD: transport.

SUBSTANCE: invention relates to onboard optical sensor assemblies. Onboard optical sensor case comprises holder 7, washer jet 9 and heater assembly. Holder is designed to retain optical sensor 3 with lens 5. Jet serves to wash sensor lens surface 5a or that of glass cover facing lens 5 by spraying washing fluid fed from 15 on lens or glass surface. Heater assembly comprises optical heater and jet heater. Optical heater and jet heater are made up of single part and integrated into one heater.Onboard optical heater comprises aforesaid case and optical sensor.

EFFECT: cleaning sensor case of sticking foreign particles.

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Wiper brush // 2514968

FIELD: transport.

SUBSTANCE: wiper brush consists of moving rocker (6) secured to brush body (1) by moving assemblies arranged at brush ends. Axle is arranged on one side of body end while brackets are arranged in symmetry on opposite end to support rod extending via bore of the sleeve secured at rocker (6). Sprayers connected by tube (4) are arranged in said body (1). In brush motion over the glass, body (1) turns on axle and rod displaces in said sleeve to make it thrust against the bracket of rocker (6). Note here that said sprayers displace to the zone ahead of elastic scraper (13) to spray the fluid on glass whereon said brush moves.

EFFECT: higher efficiency of cleaning.

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