CN2765385Y

CN2765385Y - An intelligent rain brush controller

Info

Publication number: CN2765385Y
Application number: CNU2005200813380U
Authority: CN
Inventors: 卫永力; 谭秀丽; 张玉芝
Original assignee: Individual
Current assignee: Individual
Priority date: 2005-01-26
Filing date: 2005-01-26
Publication date: 2006-03-15
Anticipated expiration: 2015-01-26

Abstract

The utility model discloses an intelligent screenwiper controller which is composed of a console switch K1, an input circuit, a central processor IC and an output circuit. The intelligent screenwiper controller is characterized in that coils of relays J1 and J2 are respectively connected with triodes Q1 and Q2. A base electrode of the triode Q1 is connected with the output port C1 of the central processor IC by a resistor R9. A base electrode of the triode Q2 is connected with the output port C2 of the central processor IC by a resistor R10. Three output terminals of the console switch K1 are respectively connected with the input ports A1, A2, and A3 of the central processor IC by resistors R1, R2, R3, R5, R6 and R7. The input port A4 of the central processor IC is connected with a reset switch K2 inside a screenwiper motor by resistors R4 and R8. The utility model is an intelligent screenwiper controller which has the advantages of simple structure, reliable work, long service life, convenient operation and comprehensive functions.

Description

A kind of intelligent wiper controller

(1) technical field:

The utility model relates to the motor vehicle fittings technical field, is a kind of rain brush controller of automobile windscreen specifically.

(2) background technology:

At present, existing motor vehicle rain brush controller, ubiquity problems such as complex structure, function are poor, failure rate height, maintenance difficult.Electric current by the self-return switch is the operating current of motor, and because of electric current is big, the contact is scaling loss very easily; The console switch poor working environment of rain brush controller; the claimed condition complexity; for satisfying instructions for use, many on multi-position switch, additional again multi-position switch or potentiometer auxiliary adjustment; its structure is complicated more; make troubles to the user, can not satisfy the instructions for use of various situations, and lack defencive function; when taking place, easily burn out motor and circuit as problems such as: rain brush freeze.

(3) summary of the invention:

The purpose of this utility model is the deficiency that overcomes above-mentioned prior art, a kind of simple in structure, reliable operation, life-span are long, easy to operate, the intelligent wiper controller of complete function and provide, this controller is according to operating personnel's simple operations, just can make rain brush automatically operate in optimum state, satisfy the driving requirement of various situations, mainly solved problems such as existing rain brush controller architecture complexity, operation inconvenience, function singleness, poor stability.

In order to reach above-mentioned order, the utility model is achieved in that a kind of intelligent wiper controller, it is made up of console switch K1, input circuit, central processing unit IC and output circuit, its special character is that the coil of relay J 1, J2 is connected with triode Q1, Q2 respectively, the base stage of triode Q1 is connected with the delivery outlet C1 of central processing unit IC by resistance R 9, and the base stage of triode Q2 is connected with the delivery outlet C2 of central processing unit IC by resistance R 10; Three outputs of console switch K1 are connected with input port A1, A2, the A3 of central processing unit IC respectively by resistance R 1, R2, R3, R5, R6, R7; The input port A4 of central processing unit IC is connected by the interior return K switch 2 of resistance R 4, R8 and Wiper motor; The power supply of central processing unit IC is provided by the voltage stabilizing circuit that R0, D1 form; All in little electric current (mA level) work down, no longer including current of electric flows through for console switch K1 and return K switch 2, and the protection contact prolongs its working life.

A kind of intelligent wiper controller of the present utility model, its described console switch K1 is a kind of automatic reset switch, has only a stable state, under this state, being connected of electricity do not take place with three fixed contacts 1,2,3 in moving contact, only under operator's operation, just be connected with any one fixed contact in three fixed contacts 1,2,3 respectively; 2 inputs with central processing unit IC of its described return K switch are connected.

A kind of intelligent wiper controller of the present utility model, its described console switch K1 is an automatic reset switch, can satisfy any setting of rain brush operating state, the tribute signal of its output is delivered to central processing unit IC, central processing unit IC handles the signal of console switch, the signal and the output state of return switch, and judges best pattern, drives output circuit control rain brush and works automatically, can be at any intermittence, slow, fast state, to satisfy of the requirement of various situations to driving.

A kind of intelligent wiper controller of the present utility model, its described return K switch 2 is connected with the input port A4 of central processing unit IC, under the drive of return K switch 2 at Wiper motor, work period of revolution, all are switched in return K switch 2 contacts, respective change takes place in the input port A4 of central processing unit IC, central processing unit IC decisions making according to this signal, accurately stop to put in place by output circuit control Wiper motor, when abnormal conditions appear in rain brush, as: when rain brush freezes to make motor rotation blockage, the signal of return K switch 2 will be lost, central processing unit IC makes a determination rapidly, controls it and quits work, in order to avoid locked rotor current burns out Wiper motor and circuit for a long time.

Compared with the prior art a kind of intelligent wiper controller described in the utility model has following good effect: 1, intelligent wiper controller of the present utility model is reduced to a milliampere level with the electric current of return switch and console switch, can avoid the ablation phenomen that produces because of big electric current, effective protection switch, prolong working life, improve reliability; 2, intelligent wiper controller of the present utility model does not have the setting of concrete time, as long as the operator according to the visibility of windshield, implements shirtsleeve operation, can make rain brush automatically operate in optimum state, satisfies the driving requirement of various situations; 3, can carry out prosecution to the return on off state, be used for controlling the accurate vehicle positioning stop of rain brush, also, when abnormal signal, stop output immediately, reach the purpose of protection motor and circuit as the guard signal of circuit.

(4) description of drawings:

Fig. 1---circuit theory diagrams of the present utility model;

Fig. 2---circuit connection diagram of the present utility model.

(5) embodiment:

In order to understand better and to implement, provide specific embodiment below in conjunction with accompanying drawing and describe a kind of intelligent wiper controller of the utility model in detail.

Embodiment 1, referring to Fig. 1, Fig. 2, the coil of relay J 1, J2 is connected with triode Q1, Q2 respectively, and the base stage of triode Q1 is connected with the delivery outlet C1 of central processing unit IC by resistance R 9, and the base stage of triode Q2 is connected with the delivery outlet C2 of central processing unit IC by resistance R 10; Three outputs of console switch K1 are connected with input port A1, A2, the A3 of central processing unit IC respectively by resistance R 1, R2, R3, R5, R6, R7, console switch K1 is a kind of automatic reset switch, has only a stable state, under this state, the moving contact of console switch K1 does not contact with three fixed contacts 1,2,3, only under operator's operation, just be connected with any one fixed contact in three fixed contacts 1,2,3 respectively; The input port A4 of central processing unit IC is connected by the interior return K switch 2 of resistance R 4, R8 and Wiper motor, and 2 inputs with central processing unit IC of return K switch are connected, and the power supply of central processing unit IC is provided by the voltage stabilizing circuit that R0, D1 form; Contact with relay J 1, J2 is connected with Wiper motor respectively by electric wire at last, and entire circuit is connected with power sources of motor vehicle E by electric wire.

When console switch K1 is subjected to external force to stir operation, can be connected with three fixed contacts respectively, send washing, open, stop signal to the input port of central processing unit IC A1, A2, A3, central processing unit IC can be according to the state and the time difference relation of input port A1, A2, A3 end, judge user's requirement, by triode Q1, Q2 relay J 1, J2 are controlled, make motor in official hour arbitrarily intermittently, at a slow speed, fast, work under the fast state, satisfied of the requirement of various weather to rain brush.

When a kind of intelligent wiper controller described in the utility model uses, K1 upwards stirs with console switch, the input port A2 of central processing unit IC obtains signal, K1 reinstatement attitude, the delivery outlet C1 output of central processing unit 2 drives triode Q1 conducting, relay J 1 adhesive, the relay J 1 normal closure of making war, motor 1 entry into service, drive Wiper arm swing, and when driving return K switch 2 synchronously and switching to the other end, current potential changes, the input port A4 of central processing unit IC receives signal, through the judgement of central processing unit IC, delivery outlet C1 stops output, and relay J 1 discharges, motor braking is finished and is once blown the rain action.As operator when needs blow rain again according to the visibility of windshield, again console switch K1 is upwards stirred, circuit is done repetitive operation, twice action time difference of console switch K1 is the intermittent time, and set by central processing unit IC and to finish, circuit will enter recurrent state automatically, finish the setting of Best Times.When rainfall increased, when windshield need blow rain fast, K1 upwards stirred with console switch, and the intermittent time shortens, and promptly changed to the required time of blowing rain fast automatically intermittently.When rainfall reduced, K1 stirred downwards with console switch, and circuit enters time-delay and waits for that when windshield needed to blow rain once more, K1 upwards stirred with console switch, and the intermittent time is set once more and finishes, and rain brush is worked automatically by operator's needs.When needs blowed rain at a slow speed continuously, only need upwards be stirred console switch K1 continuously and get final product for twice, console switch K1 are upwards stirred once on this slow continuous foundation again, the delivery outlet C2 output of central processing unit IC, drive triode Q2 conducting, relay J 2 work promptly enter fast continuous state.Console switch K1 stirs downwards, and rain brush promptly enters the state of quitting work.

K1 stirs forward when console switch, and the input port A1 of central processing unit IC receives signal, and the delivery outlet C1 output of central processing unit IC drives triode Q1 conducting, relay J 1 adhesive, the motor entry into service makes Wiper motor in washing, enters the wiper state automatically; Console switch K1 discharges, and the delivery outlet C1 of central processing unit IC stops output, and relay J 1 discharges, motor braking, and rain brush quits work.

Claims

1, a kind of intelligent wiper controller, it is made up of console switch K1, input circuit, central processing unit IC and output circuit, the coil that it is characterized in that relay J 1, J2 is connected with triode Q1, Q2 respectively, the base stage of triode Q1 is connected with the delivery outlet C1 of central processing unit IC by resistance R 9, and the base stage of triode Q2 is connected with the delivery outlet C2 of central processing unit IC by resistance R 10; Three outputs of console switch K1 are connected with input port A1, A2, the A3 of central processing unit IC respectively by resistance R 1, R2, R3, R5, R6, R7; The input port A4 of central processing unit IC is connected by the interior return K switch 2 of resistance R 4, R8 and Wiper motor.

2, a kind of intelligent wiper controller according to claim 1, it is characterized in that described console switch K1 is a kind of automatic reset switch, has only a stable state, under this state, being connected of electricity do not take place with three fixed contacts 1,2,3 in moving contact, only under operator's operation, just be connected with any one fixed contact in three fixed contacts 1,2,3 respectively.

3, a kind of intelligent wiper controller according to claim 1 and 2 is characterized in that 2 inputs with central processing unit IC of described return K switch are connected.