CN202121563U

CN202121563U - Hard light remote switch system without demodulator circuit or amplifying circuit

Info

Publication number: CN202121563U
Application number: CN2011202532122U
Authority: CN
Inventors: 任永斌
Original assignee: Individual
Current assignee: Individual
Priority date: 2011-07-18
Filing date: 2011-07-18
Publication date: 2012-01-18
Anticipated expiration: 2021-07-18

Abstract

A hard light remote switch system without a demodulator circuit or an amplifying circuit is composed of a visible light source, an information receiving circuit, an information processing and execution circuit, a power supply and loads. The visible light source is a continuous or pulse hard light source and can adopt laser directly. The information receiving circuit is formed by connecting a photosensitive component and a resistor in series. The input end of the information processing and execution circuit is connected with connecting points of the resistor directly or through a capacitor and the photosensitive component. The information processing and execution circuit is composed of a bistable relay, a monostable circuit, a bistable circuit, the resistor and controllable silicon. Due to the fact that the receiving circuit does not have the demodulator circuit or the signal amplifying circuit, the hard light remote switch system enables a system circuit to be simple and is low in failure rate and cost and applicable to various fields to be used as remote switches.

Description

The high light remote-control switching system of no demodulator circuit and no amplifying circuit

Affiliated technical field

The utility model relates to a kind of remote-control switching system, especially uses high light to make the no demodulator circuit of light-sensitive element output control signal and the high light remote-control switching system of no amplifying circuit as signal source.

Background technology

At present; The remote control that generally uses has beeper and two classifications of infrared remote controller, and these two types of remote controls generally are used for industries such as industrial remote control, household remote, toy remote control, and the advantage of radio remote control switch is that command range is far away; Command range can reach more than tens meters; Shortcoming is when carrier frequency is identical, but other remote controls of interfere and other electrical equipment, and launcher signal needs modulation; Receiver needs demodulator circuit and amplifying circuit, so circuit structure is comparatively complicated; The advantage of infrared remote control switch is that interference is little, generally has only several meters remote control distance, and infrared ray generally can not be through walls; Receiving system to other rooms does not disturb, its shortcoming is that command range is not far, has to accomplish tens meters yet; But cost is higher; The power consumption of emitter is simultaneously also big, and transmits and need modulation, and receiver needs demodulation and amplifying circuit to use; For addressing this problem, I proposed application number is 201120113376.5 " a kind of visible light beam remote control system ".This utility model is made up of reflector and receiver two parts, and the transmitting tube of reflector is the VISIBLE LIGHT EMISSION pipe, near the receiving tube of receiver; The location luminous tube is installed, so that it is can guide visible light beam to aim at receiving tube, farther in order to make remote control distance at night; Transmitting tube adopts laser tube, no matter send be red laser, green laser or other colors laser can, the peak wavelength that adopts the receiving tube in the receiver is close with the wavelength of the light beam that transmitting tube sends can to reach peak efficiency; There are differences between the peak wavelength of permission receiving tube and the wavelength of the light beam that transmitting tube sends; Just efficient will reduce, and equally can use, and radiating circuit and receiving circuit can adopt existing ripe control circuit; Just transmitting tube is different with the classification of receiving tube, need not do too big change.This application is based upon on the basis of available circuit, and the visible light (comprising modulated laser beam) that uses modulation is as the control light source, and receiver needs demodulation and amplification after receiving light signal, and this application has just touched off general configuration, does not relate to physical circuit.

The utility model content

Cause interference, signal demand modulation, amplifying circuit to use easily in order to overcome the distant switching system of existing radio; Cost is higher relatively, and the shortcoming of circuit relative complex is short in order to overcome existing infrared telecontrol switch command range; Signal also needs modulation, amplifies and could use; Cost is higher relatively, the shortcoming of circuit relative complex, and still be based upon on the basis of existing remote control circuit for circuit in " a kind of visible light beam remote control system " that overcome my application; Though information carrier is used visible light instead; Still need modulation but transmit, receive the shortcoming that signal still needs demodulation, amplification, the utility model provides a kind of high light remote-control switching system that demodulation does not have amplifying circuit of not having; Adopt continuous high light or pulse high light as signal source; As the element that receives signal, utilize the unexpected irradiates light photosensitive elements of high light to produce signal with light-sensitive element, this signal directly removes to control circuit such as timely execution remote control circuit, monostable circuit, bistable circuit, latching relay; Make timely execution remote control circuit, monostable circuit, bistable circuit, latching relay output signal remove to control controllable silicon or direct control load, realize the purpose of remote control.The beneficial effect that the utility model compared with prior art produces is: can realize point-to-point accurate remote control; The emission high light is directly as signal, and the signal that receiving circuit receives does not need demodulation, amplifying circuit, makes circuit become very simple; Cost is very cheap, and reliability improves greatly.

The utility model solves the technical scheme that its technical problem adopted:

The no demodulator circuit of the utility model and the high light remote-control switching system of no amplifying circuit; Form by visible light source, message pick-up circuit, information processing executive circuit, power supply, load; Visible light source is continuous or pulse intense light source; The message pick-up circuit is in series by light-sensitive element and resistance, the input of information processing executive circuit directly or the tie point through electric capacity and light-sensitive element and resistance link together; The information and executing circuit is adopted respectively in several ways: 1. the information processing executive circuit is made up of a bistable relay and contact, and the coil of bistable relay is connected between the tie point and ground of light-sensitive element and resistance; 2. the information processing executive circuit is made up of a resistance and a controllable silicon, and the silicon controlled trigger end is connected on the tie point of light-sensitive element and resistance through resistance; 3. the information processing executive circuit is made up of monostable circuit and controllable silicon; The trigger end of monostable circuit directly or the tie point through capacitor and light-sensitive element and resistance link together, the silicon controlled trigger end is through on the output that is connected monostable flipflop; 4. the information processing executive circuit is made up of bistable circuit and controllable silicon, and the tie point of the trigger end of bistable circuit and light-sensitive element and resistance links together, and the silicon controlled trigger end is through on the output that is connected monostable flipflop; 5. the information processing executive circuit adds controllable silicon by a monostable circuit and a bistable circuit and forms; The tie point of the trigger end of monostable circuit and light-sensitive element and resistance directly or through electric capacity links together; The output of monostable circuit is connected with the input end of clock of bistable circuit, and the silicon controlled trigger end is through on the output that is connected flip and flop generator.Light source and light sensor can adopt following three kinds of modes: 1. visible light source adopts LASER Light Source, and the light-sensitive element in the message pick-up circuit is photo resistance; 2. visible light source adopts LASER Light Source, and the light-sensitive element in the message pick-up circuit is a photodiode; 3. visible light source adopts LASER Light Source, and the light-sensitive element in the message pick-up circuit is a phototriode.

The technical scheme that the utility model adopts will be done detailed elaboration in the specific embodiments conjunction with figs..

Description of drawings

Below in conjunction with accompanying drawing and embodiment the utility model is further specified.

Fig. 1 is the utility model functional-block diagram.

1. visible light sources among the figure, 2. message pick-up circuit, 3. information processing executive circuit.

Fig. 2 is the bistable relay remote control circuit figure of the utility model.

2. message pick-up circuit among the figure, 3. information processing executive circuit, 4. power supply, 5. load.

Fig. 3 is the timely execution remote control switching circuit figure of the utility model.

Fig. 4 is the monostable remote control switching circuit figure of the utility model.

Fig. 5 is the bistable state remote control switching circuit figure of the utility model.

Fig. 6 is that the monostable of the utility model is mixed remote control switching circuit figure with bistable state.

Embodiment

In Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, we are that example further specifies the utility model with the high light remote-control switching system of implementing no amplifying circuit and no demodulator circuit:

Fig. 1 is the functional-block diagram of the utility model, and in Fig. 1, visible light source 1 is focused into light beam or laser beam for white light or monochromatic light; Beam size is decided as required, but light beam can be continuous light beam or pulsed light beam, for simple and convenient; Also can directly use laser beam as the control light source; The product of the laser beam of selling is numerous on the market, and red laser, green laser are two main classifications, is equipped with according to own actual needs during use; Message pick-up circuit 2 is independent or cooperation resistance completion by light-sensitive element, and light sensor can be photo resistance, photodiode, phototriode, silicon photocell etc.; Distinguish processing execution by relay, controllable silicon, monostable circuit, bistable circuit in the information processing executive circuit 3; Also can organically combine the pulse information that processing is transmitted by message pick-up circuit 2; And the switch of execution output control load 5; Load 5 can be resistive loads such as lamp, also can be inductive loads such as motor.

Fig. 2 is the bistable relay remote control switching circuit figure of the utility model; In Fig. 2; Message pick-up circuit 2 is by a light-sensitive element LDR (not single expression photo resistance; But represent light-sensitive element) and resistance R 2 compositions, light sensor can be photo resistance, photodiode, phototriode etc., does not comprise photocell among this figure; Information processing executive circuit 3 (part in the dotted line) is made up of a bistable relay J and normal opened contact J1 thereof; Power supply 4 (the part in the dotted line; Comprise a plurality of elements) supply power by AC power 220V; Low-tension supply produces DC power supply after by capacitor C 1 step-down, VD rectification, VS voltage stabilizing, C2 filtering, C3 High frequency filter, and (part in the dotted line comprises a light-sensitive element and a resistance to supply information receiving circuit 2; Sometimes resistance can save), information processing executive circuit 3 (part in the dotted line comprises a bistable relay and contact thereof) uses; The code name of load 5 (part in the dotted line) is EL, can be resistive loads such as lamp, heater element, also can be inductive loads such as motor.Its operation principle is, under the irradiation of normal optical, light-sensitive element LDR is high-impedance state, can not get enough operation voltages with the coil that makes bistable relay J after the R2 dividing potential drop and is failure to actuate; Its contact J1 keeps normally open, and under the irradiation of moment of high light, light sensor LDR moment is low resistive state; Bistable relay J obtains the dividing potential drop greater than operation voltage, and contact J1 is closed and keep load 5 work; Instantly during once irradiating, bistable relay J coil obtains enough operation voltages and breaks off, and load 5 quits work; R2 is not high at supply voltage among the figure, and under the situation about need not shunt, can save need not.

Fig. 3 is the timely execution remote control switching circuit figure of the utility model, and in the drawings, message pick-up circuit 2 is made up of a light-sensitive element LDR and a resistance R 2; Light sensor can be photo resistance, photodiode, phototriode etc., and this figure does not comprise photocell, when needing to use photocell; The method of connecing is had any different, and light-sensitive element LDR and resistance R 2 are formed bleeder circuit, in the environment of normal optical; Light-sensitive element LDR is high-impedance state; With the dividing potential drop at the tie point place of resistance R 2 be low level, what are lower than, confirm according to the version of information processing executive circuit 3; Information processing executive circuit 3 is made up of with bidirectional triode thyristor VT a resistance R 3, can certainly use one-way SCR, when using one-way SCR; Need to increase rectifier bridge; Earlier interchange is become direct current,, also can use relay again by the one-way SCR switch.Just the same among circuit 4, load 5 and Fig. 2 introduced here no longer in detail.The principle of Fig. 3 is: at the environment of ordinary ray, light-sensitive element LDR is high-impedance state, and the tie point of LDR and R2 is a low level with respect to ground, and controllable silicon VT is not triggered; Load 5 is not worked, and as LDR during by strong illumination, LDR is low resistive state; The current potential at the tie point place of LDR and R2 becomes high level, and this high level drives bidirectional triode thyristor through the control utmost point of the controllable silicon VT that R3 connects, makes loaded work piece; When strong illumination stopped, the tie point of LDR and R2 became low level, not conducting of controllable silicon; Load 5 quits work, and the characteristics of this circuit are to use the load of high light Real Time Drive, is equivalent to not have the push-button switch of auto-lock function; In time carry out remote control circuit so cry, the intense light source among this figure is preferably used continuous high light, is not suitable for using the pulse high light.

Fig. 4 is the monostable remote control switching circuit figure of the utility model, in Fig. 4, and the same among message pick-up circuit 2, power supply 4, load 5 and Fig. 3; No longer repeat to introduce at this, different with Fig. 3 is, information processing executive circuit 3 is made up of monostable circuit; Monostable circuit can be made up of discrete component, also can be made up of integrated circuit, and integrated circuits such as NE555 relatively more commonly used, CD4013, CD4017 can be connected into monostable circuit easily; In this figure, narration for ease is the example introduction with digital circuit CD4013 only; The monostable circuit principle that other element constitutes is the same basically with effect, in this explanation no longer one by one.CD4013 is the CMOS double D trigger, is made up of two identical, separate data type triggers.Each trigger has two independently data input pin D1, D2, two set end S1, S2, and two reset terminal R1 (mark identical with resistance R 1, but this place does not represent resistance), R2 (mark identical with resistance R 2; But this place does not represent resistance), two input end of clock CP1, CP2, two true form output Q1, Q2, two radix-minus-one complement output Q1 is anti-, Q2 is anti-; VDD is a positive supply,, VSS is an earth terminal, in Fig. 4; D1, VDD connect positive supply, S1, VSS ground connection, and input end of clock CP1 directly or through capacitor is connected with the tie point of resistance R 2 with light-sensitive element LDR in the message pick-up circuit 2, and reset terminal R1 is through capacitor C 4 ground connection; Between true form output Q1 and reset terminal R1, be connected to a resistance R 4, the operation principle of this circuit is: when light-sensitive element LDR received an intense light pulse irradiation, the tie point of LDR and resistance R 2 produced a positive pulse immediately because of the variation of LDR resistance; Directly or through the clock pulse input terminal CP1 of an electric capacity (not drawing among the figure) input CD4013, the circuit upset, its Q1 is output as high level; Drive controllable silicon VT through resistance R 3, simultaneously, the high level of Q1 output charges to capacitor C 4 through resistance R 4; After the time-delay (length is by resistance R 4, capacitor C 4 decisions) through certain hour, reset terminal R1 is in high level, circuit reset; Q1 exports electronegative potential, and controllable silicon quits work, and applies intense light pulse to light-sensitive element once more; Circuit just repeats above process, and this circuit is fit to continuously or the pulse high light, and occasions such as street lamp can be used for delaying time.

Fig. 5 is the bistable state remote control switching circuit figure of the utility model, in the drawings, and the same among message pick-up circuit 2, power supply 4, load 5 and Fig. 4; No longer repeat to introduce at this, different with Fig. 4 is, information processing executive circuit 3 is made up of bistable circuit; Bistable circuit can be made up of discrete component, also can be made up of integrated circuit, and integrated circuits such as NE555 relatively more commonly used, CD4013, CD4017 can be connected into bistable circuit easily; In this figure, narration is the example introduction with digital circuit CD4013 still for ease; The bistable circuit principle that other element constitutes is the same basically with effect, in this explanation no longer one by one.S1, VSS, the R1 of CD4013 are held ground connection; VDD connects positive supply; D1 links to each other with

Figure 2011202532122100002DEST_PATH_IMAGE002

1; Q1 extremely links to each other with the control of controllable silicon VT through R3, can certainly use one-way SCR and high sensitive relay.The operation principle of circuit is: when light-sensitive element LDR received an intense light pulse irradiation, the tie point of LDR and resistance R 2 produced a positive pulse immediately because of the variation of LDR resistance; The clock pulse input terminal CP1 of input CD4013, the circuit upset, its Q1 output high level also keeps; Drive controllable silicon VT through resistance R 3, when applying an intense light pulse to light-sensitive element again, circuit overturns once more; The Q1 output low level, controllable silicon quits work, when applying intense light pulse to light-sensitive element once more; Circuit just repeats above process, frequently overturns for fear of circuit, can use the less high light of continuous high light or frequency to be advisable.

Fig. 6 is that the monostable circuit of the utility model is mixed the remote-control switching system circuit diagram with bistable state, and in the drawings, message pick-up circuit 2, power supply 4, load 5 are identical with Fig. 5; Different is that information processing executive circuit 3 is that trigger A1 of CD4013 is connected into monostable circuit, plays the effect that anti-frequent upset is widened in pulse; Another trigger A2 of CD4013 is connected into flip and flop generator, when light-sensitive element LDR receives strong illumination, produces high level at the CP1 end; Receive the triggering of rising edge, make Q1 become high level, the rising edge of this high level triggers CP2 simultaneously; Make Q2 become high level and maintenance, R4 charges to C4, when C4 voltage rises to the resetting voltage of monostable circuit; Monostable circuit resets, and is ready for trigger next time, and this method that connects prevents that the frequent upset of circuit from causing control unreliable; Monostable circuit in the stupid in fact circuit only helps out, and main effect is a bistable circuit, is with the difference of Fig. 5; This circuit is more reliable, in the circuit of reality, adopts this more practicality of method that connects.

Adopted the scheme of the utility model, casted off radio remote control switch, infrared remote control switch need demodulation, amplifying circuit in receiver notion once and for all, made the circuit of remote control switch more succinct; Failure rate is lower, and cost is cheaper, certainly; In the process of practical implementation; Can run into some minor issues, such as the function that requires to switch on unlatching, switch on and close, these needs add an electric capacity at input end of clock; Output termination Q1 or Q1 are anti-, and the remote control switch of sending a telegram here naturally is in open and closed and just can have selected.

Claims

1. the high light remote-control switching system of not having demodulator circuit and no amplifying circuit; Form by visible light source (1), message pick-up circuit (2), information processing executive circuit (3), power supply (4), load (5); It is characterized in that: visible light source (1) is continuous or pulse intense light source; Message pick-up circuit (2) is in series by light-sensitive element LDR and resistance R 2, the input of information processing executive circuit (3) directly or the tie point through electric capacity and light-sensitive element LDR and resistance R 2 link together.

2. the high light remote-control switching system of no demodulator circuit as claimed in claim 1 and no amplifying circuit; It is characterized in that: information processing executive circuit (3) is made up of a bistable relay J and contact J1, and the coil of bistable relay is connected between the tie point and ground of light-sensitive element LDR and resistance R 2.

3. the high light remote-control switching system of no demodulator circuit as claimed in claim 1 and no amplifying circuit; It is characterized in that: information processing executive circuit (3) is made up of a resistance R 3 and a controllable silicon VT, and the trigger end of controllable silicon VT is connected on the tie point of light-sensitive element LDR and resistance R 2 through resistance R 3.

4. the high light remote-control switching system of no demodulator circuit as claimed in claim 1 and no amplifying circuit; It is characterized in that: information processing executive circuit (3) is made up of monostable circuit and controllable silicon VT; The trigger end of monostable circuit directly or the tie point through capacitor and light-sensitive element LDR and resistance R 2 link together, the trigger end of controllable silicon VT is connected on the output of monostable flipflop through R3.

5. the high light remote-control switching system of no demodulator circuit as claimed in claim 1 and no amplifying circuit; It is characterized in that: information processing executive circuit (3) is made up of bistable circuit and controllable silicon VT; The tie point of the trigger end of bistable circuit and light-sensitive element LDR and resistance R 2 links together, and the trigger end of controllable silicon VT is connected on the output of monostable flipflop through R3.

6. the high light remote-control switching system of no demodulator circuit as claimed in claim 1 and no amplifying circuit; It is characterized in that: information processing executive circuit (3) adds controllable silicon VT by a monostable circuit and a bistable circuit and forms; The tie point of the trigger end of monostable circuit and light-sensitive element LDR and resistance R 2 directly or through electric capacity links together; The output of monostable circuit is connected with the input end of clock of bistable circuit, and the trigger end of controllable silicon VT is connected on the output of flip and flop generator through R3.

7. the high light remote-control switching system of no demodulator circuit as claimed in claim 1 and no amplifying circuit is characterized in that: visible light source (1) adopts LASER Light Source, and the light-sensitive element LDR in the message pick-up circuit (2) is photo resistance.

8. the high light remote-control switching system of no demodulator circuit as claimed in claim 1 and no amplifying circuit is characterized in that: visible light source (1) adopts LASER Light Source, and the light-sensitive element LDR in the message pick-up circuit (2) is a photodiode.

9. the high light remote-control switching system of no demodulator circuit as claimed in claim 1 and no amplifying circuit is characterized in that: visible light source (1) adopts LASER Light Source, and the light-sensitive element LDR in the message pick-up circuit (2) is a phototriode.