CN2211650Y

CN2211650Y - Electronic relay for vehicle

Info

Publication number: CN2211650Y
Application number: CN 94246623
Authority: CN
Inventors: 黄德顺
Original assignee: Individual
Current assignee: Individual
Priority date: 1994-11-24
Filing date: 1994-11-24
Publication date: 1995-11-01
Anticipated expiration: 2004-11-24

Abstract

The electronic relay for automobiles of the utility model belongs to the technical field of automobile electron, and more specifically, the utility model relates to a relay which has the function of electronic control. The control circuit of the utility model comprises a control and indication circuit which is used for relay action, a self-holding circuit which is used for the switching-on of the relay, a relay over-current protective circuit, an acoustooptic alarm circuit which is used for the indication of relay broken circuit and faults, etc. The utility model has the advantages of simple circuit structure, low cost, easy refitment, little maintenance and long service life, the utility model overcomes the defect that the original relay is easily damaged and has the functions of over-current protection, acoustooptic alarm, etc. and therefore, the utility model can repalce the original relay and be used for all motor vehicles.

Description

Electronic relay for vehicle

Auto electronic relay described in the utility model belongs to technical field of automotive electronics, and what be specifically related to is relay for automobile by electronic circuit control.

Relay is used on automobile or other motor vehicles widely, and the realization of control such as starting, light, air-conditioning, sound equipment all be unable to do without relay.And the relay on the motor vehicle frequently often makes its pitting of contact owing to silt, power-supply fluctuation and use on vehicle top ripple, the car, is a kind of parts that damage especially easily on the motor vehicle, and its damage is puzzled one's brains and fall among Philistine the driver of motor vehicle.Improving this situation of relay, all is a kind of contribution to driver, traffic and society.

The objective of the invention is provides a kind of auto electronic relay with the electronics technological improvement to society, and it easily changes dress, and cost is low, and performance is good, and the life-span is long, the few maintenance.

The technical scheme of auto electronic relay of the present utility model is: this auto electronic relay is by relay and its electronic control circuit (comprise circuit board or small shell is arranged), characteristics are: control circuit comprises the control circuit and the indicating circuit of the actuating of relay, the relay current foldback circuit, the warning circuit function of relay fault connects to be formed, and wherein: the control circuit of a. relay adhesive is that the main solenoid that charges and discharge circuit, relay, the control switch that constitutes connects with the feeder ear function and form by electric capacity; B. the connection self-hold circuit of relay is connected together with the feeder ear function with the solenoid of diode, relay and is formed by one group of moving contact, the potentiometer of relay; C. the indicating circuit of relay connection is made up of together with the feeder ear function coupling one group of moving contact, light-emitting diode and its controlling resistance of relay; D. the protective circuit of relay overcurrent also has the feeder ear function to connect by the solenoid of the potentiometer of one group of moving contact of relay and self-hold circuit and relay to form; E. the optical alarm circuit of the indicating circuit that opens circuit of relay and relay fault connects composition by one group of moving contact, the light-emitting diode of relay with its controlling resistance and feeder ear function, and it is shared that two circuit also can a circuit; The sound alarm circuit of fault is connected with the feeder ear function by one group of moving contact of relay and a sound element and forms.

Above-mentioned auto electronic relay technical scheme, in detail characteristics also have: the control circuit of a. relay adhesive is that power positive end connects charging capacitor and bleeder resistance also circuit mutually, be connected in series the solenoid of relay again, back serial connection control switch, connection forms with power supply negative terminal again; B. the self-hold circuit of relay connection is one group of moving contact that power positive end connects relay, is connected in series a potentiometer, is connected to the electromagnetic coil relay anode behind serial connection (forward serial connection) diode again and forms; C. the indicating circuit connected of relay is one group of moving contact that power positive end connects relay, be connected in series a resistance be connected in series (just connecing) light-emitting diode again after connection control switch anode form; D. the current foldback circuit of relay is one group of moving contact that power positive end connects relay, the potentiometer of back serial connection self-hold circuit, and the solenoid anode that is connected in series relay again forms; E. the optical alarm circuit of the indicating circuit that opens circuit of relay and relay fault all is that (or be merged into one also can) power positive end connects one group of moving contact of relay, be connected in series a resistance and be connected in series (just connecing) light-emitting diode again, the back connection with the control switch anode forms; The sound alarm circuit of relay fault is one group of moving contact that power positive end connects relay, is connected in series behind the buzzer to connect with the control switch anode to form again.

The advantage of auto electronic relay of the present utility model is: (1). the electronic section of this relay is simple in structure, cost is low, and price is honest and clean, has but overcome the flimsy drawback of former relay, and the function of former relay is arranged, wiring and using method and former relay are just the same; (2). it has overcurrent protection function, and particularly the overcurrent cut-off velocity becomes anti-time limit characteristic with size of current, can replace doing safety box, has relay and safety box dual-use function; (3). this relay is cut off as load power source after entering guard mode, and it will send sound and light alarm.This relay can be used on all motor vehicles with its better performance.

This Figure of description has a width of cloth, and Fig. 1 is the relay circuit schematic diagram of one of embodiment of the present utility model, among the figure: 1. charge and discharge electric capacity; 2. bleeder resistance; 3. potentiometer; 4 and 7 is diode; 5 and 8 is resistance; 6 and 10 is light-emitting diode; 9. buzzer; 11. control switch; 12. load; 13 the part that dotted line surrounded is an electronic relay, and J is former relay, and J1 and J2 are respectively two groups of moving contacts of relay J, 3 external terminal that are respectively electronic relay of A.B.C; 14. power supply.

Be embodiment of the present utility model below:

Embodiment one, and this routine relay construction is explaining shown in 1 in conjunction with the accompanying drawings.Relay J among the figure (two groups of moving contact J1J2 that comprise it) is the automobile relay, is connected with its electronic control circuit function by it and has formed this routine auto electronic relay.Its control circuit is by the control circuit and the indicating circuit of relay J action, the protective circuit of relay J overcurrent, relay J opens circuit to indicate with the sound light alarming circuit and circuit board (or also having small shell) function of fault and connects and form: the control circuit of relay J adhesive is connected the circuit that charge and discharge electric capacity 1 and 2 one-tenth parallel connections of bleeder resistance by power supply 14 anodes (by the A point), the solenoid of series relay J again, again with control switch 11(by the C point) connect, back joining power 14 negative terminals form; The self-hold circuit that relay J is connected connects one group of moving contact J1 of relay J by power supply 14 anodes, is connected in series potentiometer 3 again and diode 4(just connects), the solenoid anode of back serial connection relay J forms; The indicating circuit that relay J is connected connects one group of moving contact J1 of relay J by power supply 14 anodes, and the light-emitting diode 6(of series resistor 5 and its control just connects again) back connects control switch 11 anodes (C point) and forms; Be connected in series potentiometer 3(behind one group of moving contact J1 of the current foldback circuit of relay J by power supply 14 anodes connection relay J and also have diode 4), the anode of series relay J solenoid forms again; The indicating circuit that relay J opens circuit and the optical alarm circuit of fault connect another group moving contact J2 of relay J by power supply 14 anodes, the light-emitting diode 10 of series resistor 8 and its control again, and back serial connection control switch 11 anodes (C point) form; The sound alarm circuit of fault is connected in series a buzzer 9 back connection control switch 11 anodes (C point) again and is formed by another group moving contact J2 of power supply 14 anodes connection relay J.Each electronic devices and components of above-mentioned relay J and its control circuit all install on a little circuit board (or also having small shell), and they can install the device place (on the socket or housing as relay J) at the former relay of automobile.

Embodiment two. and auto electronic relay that this is routine and the difference described in the example one are: 1. as shown in example one figure, being connected with relay J at B point place is and the relay J different capabilities of example one and the relay of model, and the load 12 of connection can have n (being that load has n); 2. buzzer 9 can change the sound or audio device into, sends out the integrated circuit chip (IC sheet) of language in this way; 3. light-emitting diode 6 and 10 can replace with pea lamp.In addition, to be same as embodiment one entirely described for this routine electronic relay structure.

Claims

1, a kind of auto electronic relay; comprise relay and its control circuit; comprise circuit board or housing is arranged, be characterised in that: its control circuit comprises that the control circuit of the actuating of relay connects composition with indicating circuit, relay current foldback circuit and failure alarm circuit function, wherein:

A. the control circuit of relay adhesive is that the main solenoid that charges and discharge circuit, relay, the control switch that constitutes connects with the feeder ear function and form by electric capacity;

B. the connection self-hold circuit of relay is connected together with the feeder ear function with the solenoid of relay by one group of moving contact of relay and potentiometer and diode and forms;

C. the indicating circuit connected of relay is connected together with the feeder ear function with light-emitting diode and controlling resistance thereof by one group of moving contact of relay and forms;

D. the current foldback circuit of relay is connected jointly together with the feeder ear function by the potentiometer of one group of moving contact of relay and self-hold circuit and electromagnetic coil relay and forms;

E. the open circuit optical alarm circuit of indicating circuit and fault of relay is connected jointly together with the feeder ear function with its controlling resistance by one group of moving contact of relay and a light-emitting diode and forms; The sound alarm circuit of fault is made up of together with the connection of feeder ear function one group of moving contact and a sound element of relay.

2, auto electronic relay as claimed in claim 1 is characterized in that:

A. the control circuit of relay adhesive be power positive end connect charging capacitor and bleeder resistance mutually and circuit, be connected in series control switch and power supply negative terminal formation after connecting the solenoid of relay again;

B. the self-hold circuit of relay connection is one group of moving contact that power positive end connects relay, is connected in series a potentiometer and is connected in series (just connecing) diode again, and the back is connected in series the solenoid anode of relay and constitutes;

C. the indicating circuit of relay connection is one group of moving contact that power positive end connects relay, is connected in series a resistance, is connected in series (just connecing) light-emitting diode again, then connects with the control switch anode to form;

D. the current foldback circuit of relay is one group of moving contact that power positive end connects relay, and the potentiometer of back series connection self-hold circuit connects the solenoid anode of relay again and constitutes;

E. the optical alarm circuit of the indicating circuit that opens circuit of relay and fault is one group of moving contact that power positive end connects relay, is connected in series a resistance and a light-emitting diode (just connecing) again, and the back connects the control switch anode and forms; The knocking noise warning circuit is that one group of moving contact that power positive end connects relay connects a buzzer and then connects with the control switch anode and form.