CN2235695Y

CN2235695Y - Far infrared induction automatic lamp

Info

Publication number: CN2235695Y
Application number: CN 95231260
Authority: CN
Inventors: 于涛; 荆永彩; 张树坤
Original assignee: JIALONG ELECTRONIC DEVELOPMENT Co Ltd DALIAN
Current assignee: JIALONG ELECTRONIC DEVELOPMENT Co Ltd DALIAN
Priority date: 1995-05-31
Filing date: 1995-05-31
Publication date: 1996-09-18
Anticipated expiration: 2005-05-31

Abstract

The utility model discloses a far infrared induction automatic lamp. The utility model is an energy-saving automatic illuminating lamp which is switched on or off by the induction state of human bodies. The structure of the utility model is composed of a lamp and a far infrared induction automatic controller, wherein, the far infrared induction automatic controller is composed of a far infrared induction circuit, an amplifying circuit, a CPU, a photosensitive testing circuit, a timing circuit, and a power supply control circuit. The utility model has the advantages of advanced performance, high sensitivity, reliable operation, simple and convenient maintenance, low power consumption, and wide range of application. The utility model is a novel energy-saving electric light source needed by high or low buildings or other occasions for civil use.

Description

Far infrared is responded to automatic light fixture

Far infrared described in the utility model is responded to automatic light fixture, is that a kind of sense state by human body realizes the connection of power supply or the energy-saving automatic illuminating lamp of closing.

At present light fixture is realized the prior art aspect of control, basically be stuck on the simple electrical equipment control technical merit, the switching that is light fixture is to adopt the control of fixed power source switch, though occurred soft-touch control in recent years, but because delay switch needs the toucher to seek switch in the dark, thereby cause user's inconvenience.Generally speaking, basically by the controlling switch lamp tool, these switches are often because no personal management makes many lamps become altar lamp in public places such as corridor, toilet, classroom, halls, so wasted electric energy greatly, the useful life of also accelerating light fixture simultaneously.At existing problem in the prior art, develop a kind of novel far infrared and respond to automatic light fixture, existing problem is very necessary in the prior art to overcome.

In view of existing problem in the above-mentioned prior art, the purpose of this utility model be development a kind of advanced in performance, control is reliable, the novel far infrared remote control lamp of use aspect, cheap, good manufacturability, widely applicable, obvious energy conservation.The utility model adopts the application-specific integrated circuit (ASIC) piece highly sensitive, that technology is reliable, power consumption is low, thereby has splendid energy-conserving action; So being a kind of novel far infrared with wide application prospect, the utility model responds to automatic light fixture.

The utility model provides a kind of far infrared to respond to automatic light fixture, and its structure is made up of light fixture and far infrared induction automatic controller.Far infrared induction automatic controller is connected with the power line of light fixture.Far infrared induction automatic controller is made up of far infrared sensor circuit, amplifying circuit, central processing unit, photosensitive detection circuit, timing circuit and power control circuit.The interface of central processing unit IC (4,2) is connected with the far infrared inductive control circuit.IC interface (8) is connected with timing circuit.The interface of IC (9) is connected with photosensitive testing circuit.The interface of IC (1,3,14,16) is connected with amplifying circuit.The interface of IC (10,13) is connected with power control circuit.Central processing unit IC sheet described in the utility model adopts integrated circuit block 4526H.Far infrared sensor circuit described in the utility model is made up of pyroelectric infrared transducer M1, capacitor C 1, E1, resistance R 1 and connection line thereof.Amplifying circuit described in the utility model is made up of resistance R 2-R5, capacitor C 2, C3, E2, E3 and connection line thereof.Photosensitive detection circuit described in the utility model is made up of photodiode P1, resistance R 9, electric capacity E5 and connection line thereof.Power control circuit described in the utility model is made up of voltage stabilizing didoe Z1, diode D1, bidirectional triode thyristor T1, resistance R 12-R15, capacitor C 6, E6 and connection line thereof.The two poles of the earth of bidirectional triode thyristor T1 are serially connected in the utmost point of light fixture and power supply L (N also can) interpolar; Another of light fixture extremely is connected with the N of power supply (L also can) interpolar.The trigger electrode of bidirectional triode thyristor T1 is connected by the interface (10) of resistance R 14 with central processing unit IC.

Along with the raising of people's living standard and the development of society, in residential building, the place of required illuminations such as hotel, arenas, school, shop requires more and more higher to the pattern and the control mode of light fixture, in order to satisfy the demand of society, far infrared provided by the utility model is responded to automatic light fixture can solve the open and close of being controlled light fixture by the human body sensing effect, thereby opened up the range of application of infrared induction technology, promoted the development of light fixture to the microelectronics high-tech area.Application of the present utility model has following characteristics: the utility model adopts foreign latest Sensitive Apparatus infrared ray sensor to develop.When human body is movable in its induction range, can sends infrared ray and make the automatic energized of induction on-off switch, and after leaving induction range, reach the purpose of automatic control thereby can cut off the electricity supply automatically again.Compare with the common public lamp, power savings reaches more than 80%.The utlity model has photosensitive detection circuit, lamp is not responded to when light is strong, only just may be triggered at night, and after lamp was triggered, photosensitive detection was promptly lost efficacy, and keeps illumination condition.The utility model is provided with timing circuit, can make the people leave induction zone 10-25 in the time of second, and light fixture breath automatically goes out.In sum as can be known, because the utility model belongs to microelectric technique, therefore have characteristics such as highly sensitive, stable performance, use are reliable, applied range, so widespread usage of the present utility model will have positive social benefit and remarkable economic efficiency.

The utility model has two accompanying drawings, and wherein: accompanying drawing 1 is that the structural representation accompanying drawing 2 that far infrared is responded to automatic light fixture is circuit theory diagrams of far infrared induction automatic controller.Among the figure: 1, light fixture 2, far infrared induction automatic controller

Specific embodiment of the utility model as shown in drawings; Its structure is made up of light fixture (1) and far infrared induction automatic controller (2).Far infrared induction automatic controller (2) is connected with the power line of light fixture (1); Far infrared induction automatic controller (2) is made up of far infrared sensor circuit, amplifying circuit, central processing unit, photosensitive detection circuit, timing circuit and power control circuit.Central processing unit IC sheet adopts integrated circuit block 4526H.The far infrared sensor circuit is made up of pyroelectric infrared transducer M1, capacitor C 1, E1, resistance R 1 and connection line thereof, pyroelectric infrared transducer adopts Fresnel Lenses, can be converted to the signal of telecommunication to human infrared signal, enter in the central processing unit IC, then by interface output signal to amplifying circuit, amplifying circuit is made up of resistance R 2-R5, capacitor C 2, C1, E2, E3 and connection line thereof.Be input to subordinate by the amplification to the signal of telecommunication and can trigger controllable silicon, the switching of decision light fixture changes interior resistance of amplifying circuit and capacitance and can determine its distance of reaction and noise immunity.Photosensitive detection circuit is made up of photodiode P1, resistance R 9, E5 and connection line thereof.Lamp is not responded to when light is strong, only at night, just may be triggered, and being triggered at lamp, P1, R9, Z5 are promptly invalid in the back.Resistance R 6, capacitor C 4 are internal clocking, have only certain hour after induced signal enters system (768 cycle) could trigger main line and can prevent misoperation.Form timing circuit by capacitor C 5, resistance R 7, R8 and connection line thereof, through adjusting it, can make the people leave induction zone after 10-25 turn off the light automatically in time second.R10, R11 provide synchronizing signal to trigger for controllable silicon for divider resistance, sampling.Power control circuit is made up of voltage stabilizing didoe Z1, diode D1, bidirectional triode thyristor T1, resistance R 12-R15, capacitor C 6, E6 and connection line thereof.The two poles of the earth of bidirectional triode thyristor T1 are serially connected in a utmost point and the power supply L interpolar of light fixture (1), and another of light fixture (1) extremely is connected with the power supply N utmost point.The trigger electrode of bidirectional triode thyristor T1 is connected by the interface (10) of resistance R 14 with central processing unit IC.Adopt capacitor C 6 step-downs, Z1 voltage stabilizing, D1 rectification in power control circuit, obtain 5V powered by direct current road working power, wherein R15 is a piezo-resistance, prevents to cause voltage increases unusually because of thunder and lightning etc., thereby plays the protective effect to circuit.

Because the utility model adopts state-of-the-art application-specific integrated circuit (ASIC) piece IC sheet, its model 4526H, and be equipped with pyroelectric infrared sensor its model RE200B and selected other element design form, so have low in power consumption, because of being connected to light-sensitive element, can suppress daytime output, turning off the light time minimal power consumption and be capacity current, favourable to power network compensation.The utility model is installed is accomplished that the people is bright at lamp, turn off the light when you leave, can effectively prevent the normal bright lamp under the various situations.Because it is few that this reality is made the novel peripheral cell that adopts, there is noise processing circuit inside, so the reliability height.Operation principle of the present utility model is: the infrared light of the human body width of cloth being penetrated by Thermoelectric Infrared Sensor becomes this signal of the signal of telecommunication (for improving induction sensitivity, having installed luxuriant and rich with fragrance alunite lens additional) and amplifies through two-stage and send into o controller as one of condition of open and close.Adjust R3, R4 respectively, R5 can change its sensitivity, the distance of person induction just changes C2, the C3 value then can change anti-interference.The two connects each other sensitivity and anti-interference, the anti-interference height, and then sensitivity is low; Vice versa, thus the two must take into account, thereby after reaching o controller, the timing testing circuit is started working, and after time-delay signal is sent into o controller as two of the condition of light fixture open and close, can avoid misoperation like this.Photo resistance is housed in the zero cross detection circuit, and photo resistance on daytime resistance is little, suppresses output, have only day dark after, just useful signal is delivered to o controller, this is three of a condition; If above-mentioned three possess entirely and then send control signal, trigger controllable silicon or relay lamp is opened.When the people leaves certain hour, Thermoelectric Infrared Sensor is not received infrared signal, and then lamp is closed automatically, adjusts R8, C5 and can adjust delay time.General delay time can be transferred to about 20 seconds, was full of for avoiding shaking, and whenever When lit, photo resistance output is promptly invalid.The pin of application-specific integrated circuit (ASIC) ic chip chip is each interface specification: interface (9) is the transducer input, and interface (8) is that external RC sets time-count cycle, and interface (7) is quick test lead, and interface (6) is that external RC sets internal clocking.Interface (1,2,3) and interface (14,15,16) are dual-stage amplifier input, output, interface (10,11), be controllable silicon and relay output, and interface (12) is the zero passage detection end, and interface (13,5) is the power supply both positive and negative polarity of powering.

Claims

1, a kind of far infrared is responded to automatic light fixture; It is characterized in that being made up of light fixture (1) and far infrared induction automatic controller (2), far infrared induction automatic controller (2) is connected with the power line of light fixture (1); Far infrared induction automatic controller (2) is made up of far infrared sensor circuit, amplifying circuit, central processing unit, photosensitive detection circuit, timing circuit and power control circuit; The interface of central processing unit IC (4,2) is connected with the far infrared inductive control circuit; The interface of IC (8) is connected with timing circuit; The interface of IC (9) is connected with photosensitive testing circuit; The interface of IC (13,14,16) with amplifying circuit be connected, the interface (10,13) of IC is connected with power control circuit.

2, far infrared according to claim 1 is responded to automatic light fixture; It is characterized in that central processing unit IC sheet is to adopt integrated circuit block 4526H.

3, far infrared according to claim 1 is responded to automatic light fixture; It is characterized in that the far infrared sensor circuit is made up of pyroelectric infrared transducer M1, capacitor C 1, E1, resistance R 1 and connection line thereof.

4, far infrared according to claim 1 is responded to automatic light fixture; It is characterized in that amplifying circuit is made up of resistance R 2-R5, capacitor C 2, C3, E2, E3 and connection line thereof.

5, far infrared according to claim 1 is responded to automatic light fixture; It is characterized in that photosensitive detection circuit is made up of photodiode P1, resistance R 9, electric capacity E5 and connection line thereof.

6, far infrared according to claim 1 is responded to automatic light fixture; It is characterized in that power control circuit is made up of voltage stabilizing didoe E1, diode D1, bidirectional triode thyristor T1, resistance R 12-R15, capacitor C 6, E6 and connection line thereof; The two poles of the earth of bidirectional triode thyristor T1 are serially connected between the utmost point of light fixture (1) and power supply L (N also can), and another of light fixture (1) extremely is connected with power supply N (L also can), and the trigger electrode of bidirectional triode thyristor T1 is connected by the interface (10) of resistance R 14 with central processing unit IC.