CN2131256Y

CN2131256Y - Doppler automatic switch

Info

Publication number: CN2131256Y
Application number: CN 92208951
Authority: CN
Inventors: 张进潮
Original assignee: Individual
Current assignee: Individual
Priority date: 1992-05-01
Filing date: 1992-05-01
Publication date: 1993-04-28
Anticipated expiration: 2002-05-01

Abstract

The utility model relates to a novel Doppler automatic switch, which is designed according to Doppler principle, radio and electron technology. The utility model utilizes human movement to control remotely the automatic opening and closing of an electrical appliance. The utility model is characterized in that a user can control remotely the opening and closing of the electrical appliance as long as the interlayer material is a non-metal object; the control area can be artificially set to be 0.12-200 square meters or so, the control distance is radius r which can be adjustable between 0.2 m and 15 m. The utility model can be extensively used for control occasions of automatic doors, automatic door bells, automatic water taps, automatic lamps, automatic alarms, etc.

Description

Doppler automatic switch

The utility model is a kind of remote control switch that is used for various illuminations, electrical equipment, alarm and other electrical equipment control.

At present, known remote control switch is generally by the unlatching of remote-control electrical equipments such as far infrared, light-operated, acoustic control, ultrasonic wave, radio, but some shortcoming and defect as light-operated, ultrasonic wave, wireless remotecontrol, needs staff hold transmitter and implements remote control.Without transmitter, but interference source is too many with so in acoustic control, and application is little, and simultaneously, far infrared, light-operated, ultrasonic wave can not be implemented remote control across object.

The purpose of this utility model provides a kind of remote control switch, it can not only implement long-distance remote control to electrical equipment, and do not need staff to hold transmitter, simultaneously can be across the remote control of any non-metallic objectsit is not a metal object enforcement to electrical equipment, non-directional restriction, can utilize the motion of human body or walking to implement automatic unlatching easily, can remedy the deficiency of existing remote control switch electrical equipment.

The purpose of this utility model is achieved in that

On a printed circuit board, by emission, reception, integration, frequency-selecting, buffering, sampling, monostable, bistable, lock, follow, integrated circuit that Doppler automatic switch is formed in voltage stabilizing, accurate voltage stabilizing, load circuit.Emission connects reception, the output that receives connects the input of integration, the output of integration connects the input of frequency-selecting, the output of frequency-selecting connects the input of buffering, the output of buffering connects the input of sampling, the output of sampling can insert the input of monostable input, bistable, the input of locking, the input of following respectively by purposes selector switch K.Monostable, bistable, the output that locks, follows together insert the load circuit control input end, and power supply and rectification output meet going into of three-terminal voltage-stabilizing, and the output of three-terminal voltage-stabilizing meets going into of accurate voltage stabilizing, the U of accurate voltage stabilizing ₁Insert the power supply input of emission, reception integration, the U of accurate voltage stabilizing ₂Insert the U that sampling, monostable, bistable, locking are followed ₂The power supply input, the U of accurate voltage stabilizing ₃The U that insert frequency-selecting, buffering, sampling, monostable, bistable, locks, follows ₁Input.Transmit and receive the composition inductive probe, antenna is ring-like, the emitter of triode is through a grounding through resistance, base stage is through a grounding through resistance, base stage connects positive source by a resistance, anodal by resistance T-Ring type antenna one end, the collector electrode of another termination triode of ring Shape antenna is between the collector electrode and between the base stage and connect an electric capacity.Highly reliable and highly sensitive needs for entire circuit, adopt accurate voltage stabilizing circuit to each circuit supply, connected mode is the negative pole that 10 pin of Ic5 connect voltage stabilizing didoe, the plus earth of voltage stabilizing didoe, 10 pin of resistance one a termination Ic5, another termination field of resistance put should pipe grid, the field put should pipe drain electrode connect 10 pin of Ic5, the field put should pipe source electrode 9 pin that meet the 8 pin Ic5 of Ic5 connect a resistance, the other end ground connection of this resistance.8 pin of resistance one a termination Ic5,9 pin of another termination Ic5,8 pin of one termination Ic of a resistance, 5 pin of another termination Ic7,5 pin of electric capacity one a termination Ic7, other end ground connection, 6 pin of Ic7 and 12 pin of Ic are with the 12 pin other end ground connection of resistance one a termination Ic6,12 pin of Ic6 and 13 pin of Ic6 are connected, and 3 pin of Ic8 and 5 pin of Ic7 are connected, and 1 pin of Ic8 and 2 pin of Ic8 are connected.

The principle of basis signal analytical system theory, the object of a motion of signal effect of a certain frequency, the signal that reflects and frequency displacement between the original signal and amplitude variations, this frequency displacement and amplitude variations just are called Doppler effect and phenomenon, basic principle according to Doppler, produce the prerequisite of a certain frequency by radiating circuit, the Doppler frequency shift and the amplitude variations of returning by the receiving circuit detection of reflected, differentiate the size that has that it's too late of Doppler signal by integrating circuit, this signal amplifies through integration again, frequency-selecting is amplified, buffering is amplified, entering sampling amplifies, sampling is amplified to be had or it's too late size having or not of decision sampling output again detect it from the buffering output signal, selection by the people is selected monostable respectively, bistable, locking, the control of follow circuit, to the electric appliance load power supply, reach the automatic purpose of opening of utilizing human motion or walking remote-control electrical equipment.

Adopt such scheme by the sky, the signal of human motion is received by Doppler automatic switch, can utilize human motion or walking to come the various electrical equipment of remote control easily, compact conformation, and volume is little, and whole device is that one is installed, and is easy to use.

Below in conjunction with drawings and Examples the utility model is further specified.

Fig. 1 is a circuit block diagram of the present utility model.

Fig. 2 is the constant-amplitude signal wave mode schematic diagram of radiating circuit emission.

Fig. 3 is the signal mode schematic diagram that the passive movement object reflects that transmits.

Fig. 4 is the human body of frequency-selecting amplification or the motor message wave mode schematic diagram of object.

Fig. 5 is circuit theory diagrams of the present utility model.

In Fig. 1, radiating portion (1), receiving unit (2), integral part (3), frequency-selecting part (4), buffer portion (5), sampling part (6).Monostable part (7), bistable part (8), lock part (9), follow part (10), loading section (11), voltage stabilizing part (12), accurate voltage stabilizing (13), the block diagram illustrating Doppler automatic switch is made up of 13 parts, and the connection of each several part and the direction of arrow have illustrated annexation and power supply of working signal direction of transfer and position.

Transmit (1) pass to reception (2); Received signal (2) passes to integration (3); Integration (3) passes to frequency-selecting (4); Frequency-selecting (4) passes to buffering (5); Buffering (5) passes to sampling (6); The output signal of sampling (6) is by purposes selector switch K, can pass to monostable (7), bistable (8), locking (9) respectively, follow (10), monostable (7), bistable (8), locking (9), the output of following (10) together insert the input of load (11) circuit.The course of work below in conjunction with schematic diagram explanation entire circuit: in Fig. 5, emission (1) receives (2), integration (3), frequency-selecting (4), buffering (5), sampling (6), monostable (7), bistable (8), locking (9), follow (10), load (11), voltage stabilizing (12), accurate voltage stabilizing (13).

Radiating portion behind the power connection (1), launch a constant amplitude electric wave to solid space, wave mode is seen Fig. 2, when people or object of which movement are arranged in the launching site, the signal amplitude that reflects is the variable with object of which movement, wave mode is seen figure (3), the signal mode explanation of figure (3), there is moving object to reflect and signal, be not only the function of doppler angle frequency, characteristics to this circuit, prior also is the function of time of amplitude, the amplitude of Doppler signal, what reflected moving target has that it's too late from the distance of emission source, be connected in the ring Shape antenna among the oscillation circuit because of receiving, the Doppler signal of returning has influenced frequency of oscillation and amplitude changes it so receive, this variation makes collector voltage produce faint little height variation, receives this variation voltage signal of (2), passes to integrating circuit (3), after integration amplifies, pass to frequency-selecting amplification (4) and carry out the frequency-selecting processing, eliminate unwanted signal and instantaneous interference, export useful envelope wave mode, wave mode is seen Fig. 4, Fig. 4 wave mode is the main object that detects, it have that it's too late the amplitude size represented motion and the distance that has or not human body or object, and the output of frequency-selecting passes to buffering and amplifies (5); Buffering passes to sample circuit (6) with signal after amplifying shaping, sample circuit is by adjusting W, can set different benchmark thresholdings in advance, reach control sensitivity and the purpose that detects distance is set, the signal amplitude of buffer output terminal is during greater than the benchmark thresholding of sample circuit, through sampling input and reference voltage relatively after, the voltage of sampling output becomes positive potential from 0 current potential, this signal is passed to the back level, when the sampling input the signal voltage amplitude less than the sampling the reference voltage thresholding time, the output end voltage of sample circuit returns to 0 current potential and remains unchanged, when human body or object of which movement are arranged in the launching site, by emission, receive, frequency-selecting, after the buffering, sample circuit just can obtain triggering signal, comparison by sample circuit, having or not of decision output, the circuit of back level is controlled in the output of sampling with the variation of current potential, it is the last actuating station of this Doppler automatic switch that the load control mode is selected, as required or the different requirements of electric equipment load, by selector switch K, can determine to be put into monostable (7) in advance, bistable (8), locking (9), follow on a certain position of (10).

The characteristics of monostable (7) circuit are the pulses of sample circuit output high potential, monostable trigger-action circuit overturns and to the electric equipment power supply, electric equipment brings into operation, and monostable trigger-action circuit enters the temporary stable state of time-delay, and when delay time finished, monostable trigger-action circuit turned back initial condition again automatically.Electric equipment outage and out of service.

The characteristics of bistable (8) circuit are, human body moves, positive potential of sample circuit output, and flip-flop circuit is to electric power supply, and equipment has just entered running status.Do not move in continuation as the people, at this moment electric equipment will work on down.Do when for the second time mobile as human body, flip-flop circuit will overturn, and makes the electric equipment outage out of service.Human body moves for the third time, and electric equipment enters running status again.By that analogy.

The characteristics of locking (9) circuit are, human body or movement of objects, and lock-in circuit is given power devices and locking in this state.Clicking releasing key N when needing to remove both can make device powers down quit work.

The characteristics of following (10) circuit are, the moving of human body or object, follow circuit is powered to electric equipment, constantly move as people or object, electric equipment just constantly work go down.In case human body or object stop motion, follow circuit stops to the electric equipment outage.The operation of electric equipment and stop to follow human body or object is synchronous.

In sum, the utility model can move, come the switch of remote-control electrical equipment at a distance with human body, and does not have directivity, control range wide, does not have the dead angle.Can penetrate any nonmetallic substance.As wall keep away, building such as door and window, glass.And command range can be at 0.2～200m ²The interior setting can be used for illuminating lamp automatically such as automatically-controlled door, automatic door bell, automatic water halter, corridor, lavatory, toilet, autoalarm, or automatic unlatchings the such as electric equipment that need this mode to control.

Claims

1, the utility model provides a kind of Doppler automatic switch, it is characterized in that emission, reception, integration, frequency-selecting, buffering sampling, monostable, the bistable locking is followed, voltage stabilizing, accurate voltage stabilizing, load circuit combination, emission connects reception, reception is exported the output that connects integration, integration and connected frequency-selecting, frequency-selecting output connects buffering, the output of buffering connects sampling, the output of sampling connects respectively, monostable, bistable, the input that locks, follows, the input of load together connects, the output that monostable, bistable, locking are followed.

2, it is characterized in that the inductive probe formed by transmitting and receiving by the Doppler automatic switch of right (1) decision, antenna is ring-like, the emitting stage of triode is through a grounding through resistance, base stage is through a grounding through resistance, base stage connects positive source by a resistance, anodal by resistance T-Ring type antenna one end, the collector electrode of an other termination triode of ring Shape antenna is between the current collection collection and between the base stage and connect an electric capacity.

3, Doppler automatic switch by right (1) decision is characterized in that having accurate voltage stabilizing circuit, its connected mode is the negative pole that 10 pin of Ic5 connect voltage stabilizing didoe, the plus earth of voltage stabilizing didoe, 10 pin of resistance one a termination Ic5, another termination field of resistance put should pipe grid, the field put should pipe drain electrode connect 10 pin of Ic5, the field put should pipe source electrode 9 pin that meet the 8 pin Ic5 of Ic5 connect a resistance, the other end ground connection of this resistance, 8 pin of resistance one a termination Ic5,9 pin of another termination Ic5,8 pin of one termination Ic of a resistance, 5 pin of an other termination Ic7,5 pin of electric capacity one a termination Ic7, other end ground connection, 6 pin of Ic7 and 12 pin of Ic are with the 12 pin other end ground connection of resistance one a termination Ic6,12 pin of Ic6 and 13 pin of Ic6 are connected, and 3 pin of Ic8 and 5 pin of Ic7 are connected, and 1 pin of Ic8 and 2 pin of Ic8 are connected.