CN203504837U

CN203504837U - Time-delay induction lamp with self-locking function

Info

Publication number: CN203504837U
Application number: CN201320621867.XU
Authority: CN
Inventors: 刘帅帅
Original assignee: Individual
Current assignee: Individual
Priority date: 2013-10-08
Filing date: 2013-10-08
Publication date: 2014-03-26
Anticipated expiration: 2023-10-08

Abstract

The utility model discloses a time-delay induction lamp with a self-locking function. The time-delay induction lamp comprises first to seventh resistors, first to fourth capacitors, a first triode, a second triode, a diode, a Zener diode, a microwave inductive controller, a time base chip, a photosensitive resistor, a bidirectional thyristor and an electric light. When the ambient light is extremely weak, the voltage division points of the photosensitive resistor and the fourth resistor are lower than a certain value, the time base chip outputs a high level, the bidirectional thyristor is switched on, the electric light emits light, and the high level output by the time base chip switches on the second triode, so that the brightness of the lamp does not change, and a circuit is in a self-locking state; and after a person in the monitoring range leaves, the triode in the output end of the microwave inductive controller is cut off, the first triode is switched on via bias by the second resistor, the time base chip is reset to output a low level, the light quenches, the second triode is cut off, and the circuit exits from the self-locking state.

Description

The time delay sense light with auto-lock function

Technical field

The utility model relates to a kind of sense light, particularly a kind of time delay sense light with auto-lock function.

Background technology

Nowadays in most corridors, time delay sense light has all been installed, can has been had people automatically to light through out-of-date, again can automatic distinguishing after people walks, quit work daytime, not only convenient and energy-saving but also have the antitheft function that threatens concurrently.But in common light-operated electricity to certain requirement is installed, need photo resistance and electric light to separate longer distance, otherwise after bright light, light can make light flash by stray light control circuit, so the power of electric light can not be too large in actual use, the circuit bright light sensitivity of having debugged is always too high.

Utility model content

The purpose of this utility model is that a kind of time delay sense light with auto-lock function will be provided.

For achieving the above object, the utility model is implemented according to following technical scheme:

A time delay sense light with auto-lock function, comprises the first resistance to the seven resistance, the first electric capacity to the four electric capacity, the first triode, the second triode, diode, voltage stabilizing didoe, microwave induction controller, time base chip, photo resistance, bidirectional thyristor and electric light, the first end of described the first electric capacity is connected with the first end of described the first resistance and the first end of described the 7th resistance respectively and connects cathode voltage, the second end of described the 7th resistance is connected with described the 4th first end of electric capacity and the first end of described electric light respectively, the second end ground connection of described the 4th electric capacity, the second end of described the first electric capacity is connected with the first end of described the second electric capacity with the positive pole of described diode respectively, the negative pole of described diode respectively with the negative pole of described voltage stabilizing didoe, the second end of described the first resistance, the cathode voltage input of described microwave induction controller, the first end of described the second resistance, the first end of described the 3rd resistance, when described, the earth terminal of base chip and the first end of described photo resistance are connected, the second end of described the second resistance is connected with the base stage of described the first triode with the output of described microwave induction controller respectively, the second end of described the 3rd resistance is connected with the input of the collector electrode of described the first triode base chip when described respectively, when described, the output of base chip is connected with the first end of described the 5th resistance with the first end of described the 6th resistance respectively, the second end of described the 5th resistance is connected with the base stage of described the second triode, the collector electrode of described the second triode respectively with the first end of described the 3rd electric capacity, the second end of described photo resistance, the first end of described the 4th resistance, when described, the high-triggering end of the low triggering end of base chip base chip when described is connected, the second end of described the 6th resistance is connected with the gate pole of described bidirectional thyristor, the second end of described electric light is connected with the first anode of described bidirectional thyristor, the second end of described the second electric capacity respectively with the positive pole of described voltage stabilizing didoe, the cathode voltage input of described microwave induction controller, the emitter of described the first triode, the power end of base chip when described, the second end of described the 4th resistance, the second end of described the 3rd electric capacity, the emitter of described the second triode is connected with the second plate of described bidirectional thyristor.

Compared with prior art, the output of microwave induction controller of the present utility model is exported drop-down level, make the first triode cut-off, from low level, become high level, by time the base chip light-operated circuit that forms start working, when surround lighting is very weak, the dividing point of photo resistance and the 4th resistance is lower than certain value, time base chip output high level, bidirectional thyristor conducting, electric light is luminous, high level with base chip output constantly makes the second triode conducting, lamplight brightness is not changed, enter self-locking state, after only the people in monitoring range leaves, the triode cut-off of the outlet internal of microwave induction controller, the first triode is setovered in conducting state through the second resistance, time base chip be reset, output low level, lights, the second triode cut-off, circuit exits self-locking state.

Accompanying drawing explanation

Fig. 1 is the circuit diagram with the time delay sense light of auto-lock function of the present utility model.

Embodiment

Below in conjunction with accompanying drawing and specific embodiment, the utility model is further described, in illustrative examples and the explanation of this utility model, is used for explaining the utility model, but not as to restriction of the present utility model.

The time delay sense light with auto-lock function as shown in Figure 1, comprises that the first resistance R 1 is to the 7th resistance R 7, the first capacitor C 1 is to the 4th capacitor C 4, the first triode T1, the second triode T2, diode D, voltage stabilizing didoe ZD, microwave induction controller IC1, time base chip IC 2, photo resistance RW, bidirectional thyristor SCR and electric light L, the first end of the first capacitor C 1 is connected with the first end of the first resistance R 1 and the first end of the 7th resistance R 7 respectively and connects cathode voltage, the second end of the 7th resistance R 7 is connected with the first end of electric light L with the first end of the 4th capacitor C 4 respectively, the second end ground connection of the 4th capacitor C 4, the second end of the first capacitor C 1 is connected with the first end of the second capacitor C 2 with the positive pole of diode D respectively, the negative pole of diode D respectively with the negative pole of voltage stabilizing didoe ZD, the second end of the first resistance R 1, the cathode voltage input of microwave induction controller IC1, the first end of the second resistance R 2, the first end of the 3rd resistance R 3, time base chip IC 2 earth terminal be connected with the first end of photo resistance RW, the second end of the second resistance R 2 is connected with the base stage of the first triode T1 with the output of microwave induction controller IC1 respectively, the second end of the 3rd resistance R 3 is connected with the input of Shi Ji chip IC 2 with the collector electrode of the first triode T1 respectively, time base chip IC 2 output be connected with the first end of the 5th resistance R 5 with the first end of the 6th resistance R 6 respectively, the second end of the 5th resistance R 5 is connected with the base stage of the second triode T2, the collector electrode of the second triode T2 respectively with the first end of the 3rd capacitor C 3, the second end of photo resistance RW, the first end of the 4th resistance R 4, time base chip IC 2 low triggering end be connected with the high-triggering end of Shi Ji chip IC 2, the second end of the 6th resistance R 6 is connected with the gate pole of bidirectional thyristor SCR, the second end of electric light L is connected with the first anode of bidirectional thyristor SCR, the second end of the second capacitor C 2 respectively with the positive pole of voltage stabilizing didoe ZD, the cathode voltage input of microwave induction controller IC1, the emitter of the first triode T1, time base chip IC 2 power end, the second end of the 4th resistance R 4, the second end of the 3rd capacitor C 3, the emitter of the second triode T2 is connected with the second plate of bidirectional thyristor SCR.

Power unit forms typical capacity voltage dropping circuit by the first capacitor C 1, the second capacitor C 2, the first resistance R 1, voltage stabilizing didoe ZD, diode D, provides galvanic current to press.The signal of microwave induction controller IC1 is TX982, it utilizes microwave Doppler technology, in certain space, set up electric microfield, meeting reflection echo when having people or mobiles to enter electric field, after electronic circuit mixing, detect atomic weak frequency-shift signaling, this signal after Intelligent treatment, exportable control signal.Owing to having adopted microwave to detect special microprocessor, so can carry out arteries and veins frequently and pulsewidth processing to input signal, thereby to small size animal, at a distance trees, high-frequency communication signal, interference when lightning and appliance switch is got rid of at a distance, be that infrared ray, ultrasonic wave, the testing circuit of pyroelectricity element composition and the microwave circuit of routine were incomparable in the past, rate of false alarm is extremely low in actual use.When microwave circuit has detected people when movable in monitoring range, the output of microwave induction controller IC1 is exported drop-down level, make the first triode T1 cut-off, from low level, become high level, by time base chip IC 2 light-operated circuit that forms start working, when surround lighting is very weak, the dividing point of photo resistance RW and the 4th resistance R 4 is lower than certain value, time base chip IC 2 output high level, bidirectional thyristor SCR conducting, electric light L is luminous, high level with base chip IC 2 outputs constantly makes the second triode T2 conducting, lamplight brightness is not changed, enter self-locking state, after only the people in monitoring range leaves, the triode cut-off of the outlet internal of microwave induction controller IC1, the first triode T1 setovers in conducting state through the second resistance R 2, time base chip IC 2 be reset, output low level, lights, the second triode T2 cut-off, circuit exits self-locking state.

The technical solution of the utility model is not limited to the restriction of above-mentioned specific embodiment, and every technology distortion of making according to the technical solution of the utility model, within all falling into protection range of the present utility model.

Claims

1. a time delay sense light with auto-lock function, is characterized in that: comprise the first resistance to the seven resistance, the first electric capacity to the four electric capacity, the first triode, the second triode, diode, voltage stabilizing didoe, microwave induction controller, time base chip, photo resistance, bidirectional thyristor and electric light, the first end of described the first electric capacity is connected with the first end of described the first resistance and the first end of described the 7th resistance respectively and connects cathode voltage, the second end of described the 7th resistance is connected with described the 4th first end of electric capacity and the first end of described electric light respectively, the second end ground connection of described the 4th electric capacity, the second end of described the first electric capacity is connected with the first end of described the second electric capacity with the positive pole of described diode respectively, the negative pole of described diode respectively with the negative pole of described voltage stabilizing didoe, the second end of described the first resistance, the cathode voltage input of described microwave induction controller, the first end of described the second resistance, the first end of described the 3rd resistance, when described, the earth terminal of base chip and the first end of described photo resistance are connected, the second end of described the second resistance is connected with the base stage of described the first triode with the output of described microwave induction controller respectively, the second end of described the 3rd resistance is connected with the input of the collector electrode of described the first triode base chip when described respectively, when described, the output of base chip is connected with the first end of described the 5th resistance with the first end of described the 6th resistance respectively, the second end of described the 5th resistance is connected with the base stage of described the second triode, the collector electrode of described the second triode respectively with the first end of described the 3rd electric capacity, the second end of described photo resistance, the first end of described the 4th resistance, when described, the high-triggering end of the low triggering end of base chip base chip when described is connected, the second end of described the 6th resistance is connected with the gate pole of described bidirectional thyristor, the second end of described electric light is connected with the first anode of described bidirectional thyristor, the second end of described the second electric capacity respectively with the positive pole of described voltage stabilizing didoe, the cathode voltage input of described microwave induction controller, the emitter of described the first triode, the power end of base chip when described, the second end of described the 4th resistance, the second end of described the 3rd electric capacity, the emitter of described the second triode is connected with the second plate of described bidirectional thyristor.