CN2111598U

CN2111598U - Doppler effect electronic switch

Info

Publication number: CN2111598U
Application number: CN 91229641
Authority: CN
Inventors: 王济南; 寿红艳
Original assignee: Individual
Current assignee: Individual
Priority date: 1991-11-28
Filing date: 1991-11-28
Publication date: 1992-07-29

Abstract

The utility model relates to a multipurpose electronic switch circuit which has the advantages of power saving and illumination, theft protection and alarm, automatic door and automatic counting of moving objects. The utility model is characterized in that the utility model is based on electric elements, and the utility model is composed of a micropower Doppler effect sensor, a small signal amplification circuit, a voltage comparison circuit, a photoelectric control circuit, an and gate circuit, a shaping circuit, a controlled silicon delay switch circuit, etc. The utility model utilizes the Doppler effect, namely, frequency shift signals which are reflected when objects or human bodies move are processed by the circuit of the utility model to make the frequency shift signals converted into electric pulse signals which trigger a controlled silicon to achieve the functions of the utility model.

Description

Doppler effect electronic switch

The utility model illumination, burglar alarm, automatically-controlled door, mobile object a kind of multifunctional electronic switching circuit of counting automatically that relates to economize on electricity.Be primarily characterized in that based on electronic component, by micropower doppler effect sensors (BG1, R1, R2, R3, R4, C1, C2, L0, L) small-signal amplifies (IC1, R5, R6, R7, C3, C4) voltage ratio is than (IC1, R8, R9, R10, R11, C5) photo-electric control (IC3, R13, R14, R15, R16, C6, D1) with door, shaping (IC4, R12, R17, R18, R19) Controlled delay-action circuit breaker (BG2, BG3, SCR, D2, D3, D4, D5, R20, R21, R24, R25, C7) filtering, voltage stabilizing (DW, R22, R23, C8) etc. circuit is formed the Doppler effect electronic switch.When the utility model moves the object or person body according to Doppler effect, this device is sent the frequency shift signal that signal reflex produces to be amplified, obtain and the corresponding electric impulse signal triggering of object or person body movable signal controllable silicon through voltage comparator circuit, thereby realize the electronic switch function.Because this circuit utilizes the frequency shift signal of object or person body reflection to carry out work, therefore the utlity model has high sensitivity, little power consumption, characteristics such as anti-interference.

The existing electronic circuit that utilizes the Doppler effect realization to open function automatically is more, but all is to adopt microwave and ultrasonic device, therefore makes circuit complexity in the device, cost of manufacture height and power consumption big.For simplifying circuit design, reduce cost and energy savings, the utility model utilizes normal transistor and junction capacitance thereof to add the minority electrons element to have replaced expensive microwave and ultrasonic device, it is finished and reach employing special microwave and ultrasonic device circuit same function and technical indicator, and finish single line turnover, significantly reduce power consumption, realized low cost and the purpose that makes the product miniaturization.

Operation principle of the present utility model is seen accompanying drawing.Accompanying drawing is a Doppler effect electronic switching circuit schematic diagram.The purpose of this utility model is by newly designed highly sensitive, little power consumption, low cost, jamproof doppler effect sensors, small signal amplifier, photoelectric controller, the Doppler effect electronic switch that controllable silicon delay switch and minority electrons element are formed.Whether this device can be differentiated rapidly has the object or person body to move in its control range, and starts executive circuit and connect illuminating lamp or alarm, automatically-controlled door, counter etc., and after the object or person body stopped to move or leaves, circuit delay automatically shut down through setting-up time.

The purpose of this utility model realizes (seeing accompanying drawing) by following measure: triode BG1, base stage and resistance R 1, one end of R2 capacitor C 1 links to each other, BG1 collector electrode and dual-mode antenna L0, inductance L links to each other with the other end of capacitor C 1, the BG1 emitter links to each other with resistance R 4, the other end of inductance L and resistance R 3, the positive pole of capacitor C 2 and electrochemical capacitor C3 links to each other, the negative pole of electrochemical capacitor C3 and resistance R 5, the in-phase input end of amplifier IC1 links to each other, the inverting input of IC1 and resistance R 6, R7, one end of capacitor C 4 links to each other, the output of IC1 and resistance R 7, the other end of capacitor C 4, the positive pole of electrochemical capacitor C5 links to each other, the negative pole of C5 links to each other with resistance R 8, the other end of R8 and resistance R 9, the in-phase input end of IC2 links to each other, the inverting input of IC2 and resistance R 10, R11 links to each other, the output of IC2 links to each other with resistance R 12, the in-phase input end of IC3 and resistance R 15, R16 links to each other, the positive pole of the other end of R16 and electrochemical capacitor C6, the positive pole of photoelectric receiving tube D1 links to each other, the inverting input of IC3 and resistance R 13, R14 links to each other, the output of IC3 links to each other with resistance R 17, the other end of the other end of R17 and resistance R 12, the in-phase input end of IC4 links to each other, the inverting input of IC4 and resistance R 18, R19 links to each other, the output of IC4 links to each other with resistance R 20, resistance R 20 other ends and resistance R 21, triode BG2 base stage links to each other, BG2 collector electrode and electrochemical capacitor C7 positive pole, triode BG3 base stage links to each other with resistance R 24, BG3 collector electrode and controllable silicon SCR control utmost point G, resistance R 25 links to each other, controllable silicon SCR anode A and diode D2, the D3 negative pole, resistance R 23, R24, R25 links to each other, controllable silicon SCR negative electrode K and diode D4, the D5 positive pole, triode BG2, the BG3 emitter, the IC earth terminal, photoelectric receiving tube D1 negative pole, voltage-stabiliser tube DW positive pole, electrochemical capacitor C6, C7, the C8 negative pole, resistance R 2, R4, R5, R6, R9, R11, R14, R19, R21 links to each other, resistance R 23 other ends and electrochemical capacitor C8 positive pole, resistance R 22 links to each other, the R22 other end and voltage-stabiliser tube DW negative pole, IC connects power supply V+ end, resistance R 1, R3, R10, R13, R15, R18, capacitor C 2 links to each other, the positive pole of diode D2 links to each other with the D4 negative pole, as terminals of switch, diode D3 positive pole links to each other with the D5 negative pole as another terminals of switch; Constituted the Doppler effect electronic switching circuit thus.

Claims

1, the utility model is apply to Section electric lighting, burglar alarm, automatically-controlled door, mobile object a kind of multipurpose Doppler effect electronic switch of counting automatically; Be primarily characterized in that based on electronic component, by triode BG1 base stage and resistance R 1, one end of R2 capacitor C 1 links to each other, BG1 collector electrode and dual-mode antenna L0, inductance L links to each other with the other end of capacitor C 1, the BG1 emitter links to each other with resistance R 4, the other end of inductance L and resistance R 3, the positive pole of capacitor C 2 and electrochemical capacitor C3 links to each other, the negative pole of electrochemical capacitor C3 and resistance R 5, the in-phase input end of amplifier IC1 links to each other, the inverting input of IC1 and resistance R 6, R7, one end of capacitor C 4 links to each other, the output of IC1 and resistance R 7, the other end of capacitor C 4, the positive pole of electrochemical capacitor C5 links to each other, the negative pole of C5 links to each other with resistance R 8, the other end of R8 and resistance R 9, the in-phase input end of IC2 links to each other, the inverting input of IC2 and resistance R 10, R11 links to each other, the output of IC2 links to each other with resistance R 12, the in-phase input end of IC3 and resistance R 15, R16 links to each other, the positive pole of the other end of R16 and electrochemical capacitor C6, the positive pole of photoelectric receiving tube D1 links to each other, the inverting input of IC3 and resistance R 13, R14 links to each other, the output of IC3 links to each other with resistance R 17, the other end of the other end of R17 and resistance R 12, the in-phase input end of IC4 links to each other, the inverting input of IC4 and resistance R 18, R19 links to each other, the output of IC4 links to each other with resistance R 20, resistance R 20 other ends and resistance R 21, triode BG2 base stage links to each other, BG2 collector electrode and electrochemical capacitor C7 positive pole, triode BG3 base stage links to each other with resistance R 24, BG3 collector electrode and controllable silicon SCR control utmost point G, resistance R 25 links to each other, controllable silicon SCR anode A and diode D2, the D3 negative pole, resistance R 23, R24, R25 links to each other, controllable silicon SCR negative electrode K and diode D4, the D5 positive pole, triode BG2, the BG3 emitter, the IC earth terminal, photoelectric receiving tube D1 negative pole voltage-stabiliser tube DW positive pole, electrochemical capacitor C6, C7, the C8 negative pole, resistance R 2, R4, R5, R6, R9, R11, R14, R19, the end of R21 links to each other, resistance R 23 other ends and electrochemical capacitor C8 positive pole, resistance R 22 links to each other, the R22 other end and voltage-stabiliser tube DW negative pole, IC connects power supply V+ end, resistance R 1, R3, R10, R13, R15, R18 capacitor C 2 links to each other, and the positive pole of diode D2 links to each other with the D4 negative pole as terminals of switch, diode D3 positive pole links to each other with the D5 negative pole as another terminals of switch; Constituted the Doppler effect electronic switching circuit.

2, according to the described Doppler effect electronic switch of claim 1, it is characterized in that little power consumption doppler effect sensors is by triode BG1 base stage and capacitor C 1, resistance R 1, R2 links to each other, the BG1 emitter links to each other with resistance R 4, the other end of BG1 collector electrode and capacitor C 1, one end of inductance L, dual-mode antenna L0 links to each other, the other end of inductance L is with after resistance R 3 capacitor C 2 link to each other, as the frequency shift signal output, resistance R 2, R4 links to each other with power cathode, resistance R 1, the other end of R3 capacitor C 2 links to each other with positive source and utilizes the junction capacitance of triode BG1 and little power consumption doppler effect sensors that the distributed inductance in the circuit is formed.

3, Doppler effect electronic switch according to claim 1 and 2, it is characterized in that triode BG2 base stage is as signal input part, BG2 collector electrode and electrochemical capacitor C7 positive pole, resistance R 24, triode BG3 base stage links to each other, BG3 collector electrode and resistance R 25, controllable silicon SCR control utmost point G links to each other, the anode A of controllable silicon SCR and diode D2, the D3 negative pole, resistance R 24, R25 links to each other, controllable silicon SCR negative electrode K and diode D4, the D5 positive pole, triode BG2, the BG3 emitter, electrochemical capacitor C7 negative pole, resistance R 21 links to each other, diode D2 positive pole links to each other with the D4 negative pole as terminals of switch, diode D3 positive pole links to each other as another terminals of switch with diode D5 negative pole, the single line of formation turnover controllable silicon delay switch.