CN103857104A - Night-lamp circuit - Google Patents
Night-lamp circuit Download PDFInfo
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- CN103857104A CN103857104A CN201210499972.0A CN201210499972A CN103857104A CN 103857104 A CN103857104 A CN 103857104A CN 201210499972 A CN201210499972 A CN 201210499972A CN 103857104 A CN103857104 A CN 103857104A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
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Abstract
The invention discloses a night-lamp circuit which includes an illuminating lamp and also includes a inductive control module which is connected with the illuminating lamp and induces a human body so as to control the on/off the illuminating lamp; and a photosensitive circuit which is connected with the inductive control module and controls the work state of the inductive control module according to illumination intensity. The inductive control module includes an infrared sensor and a controller which processes infrared data. The infrared sensor is used for induction of human-body infrared ray. The controller outputs a load control signal after processing the human-body infrared data. The photosensitive circuit is connected with the controller. The night-lamp circuit is capable of automatically inducing approaching of a person in a dark environment so as to start illumination and thus the circuit is convenient and capable of saving electricity.
Description
Technical field
The present invention relates to illumination and control, particularly relate to a kind of night-light circuit.
Background technology
For some non-indoor, public illumination occasions, normally self-control lighting switch of the illumination at night.Automatically that the means that control ratio is commonly used comprise is light-operated, acoustic control etc.For example, in the simple light-operated circuit of the one in Fig. 1, photo resistance R1 ' is connected between the grid and source electrode of PNP triode Q1 ', and the drain electrode of PNP triode Q1 ' meets LED and current-limiting resistance R3 '.In the time that ambient lighting is stronger, the resistance of photo resistance R1 ' is less, and PNP triode Q1 ' is in cut-off state, and LED cannot light.In the time that ambient lighting is attenuated to a certain degree, the resistance of photo resistance R1 ' increases, and reaches the cut-in voltage of PNP triode Q1 ', and LED is lit, and has so just reached light-operated object.
This light-operated circuit of Fig. 1 is only applicable to the night illumination occasion to this Chang Liang of street lamp, for the illuminating lamp in picture corridor or indoor passageway, only makes when needed it automatically light, if keep normal bright waste electricity.And for simple acoustic control mode, often have misoperation, even or be not in night, illuminating lamp also can be subject to the control of sound and light.
Summary of the invention
Based on this, be necessary to provide a kind of and can in dark surrounds, automatically respond to people's arrival and open the night-light circuit of illumination.
A kind of night-light circuit, comprises illuminating lamp, also comprises: induction control module, is connected with described illuminating lamp and responds to human body to control the Kai Heguan of illuminating lamp; Photosensitive circuit, is connected with described induction control module and according to the operating state of responding to control module described in intensity of illumination control; The controller that described induction control module comprises infrared ray sensor and infrared data is processed, described infrared ray sensor is used for responding to human body infrared, described controller is processed rear output loading control signal to human body infrared data, and described photosensitive circuit is connected with described controller.
Therein in an embodiment, described infrared ray sensor adopts pyroelectric infrared sensor, described controller adopts the controller of integrated rpyroelectric infrared signal processing, and the signal output pin of described pyroelectric infrared sensor is connected with the infrared signal input of described controller, positive supply pin and grounding leg connect respectively VDD-to-VSS; The chip controls end of described controller is connected with described photosensitive circuit; The output of described controller is connected with described illuminating lamp.
In an embodiment, also comprise the time delay Circuit tuning being connected with the time delay control end of described controller therein.
In an embodiment, described time delay Circuit tuning comprises the second resistance and the variable resistor that are connected between VDD-to-VSS therein, and described the second resistance is connected with the time delay control end of described controller with variable-resistance common port.
In an embodiment, described photosensitive circuit comprises the first resistance and the light-sensitive device that are connected between VDD-to-VSS therein.
In an embodiment, described light-sensitive device is phototriode or photo resistance therein.
Above-mentioned night-light circuit, by photosensitive circuit, whole night-light circuit can be distinguished photoenvironment and dark surrounds.By induction control module, night-light circuit can be controlled by induction human body again the Kai Heguan of illuminating lamp.Therefore above-mentioned night-light circuit can automatically be responded to people's arrival and open illumination in dark surrounds, not only convenient but also can power saving.
Brief description of the drawings
Fig. 1 is traditional simple light-operated circuit of one;
Fig. 2 is the night-light circuit module figure of an embodiment;
Fig. 3 is the night-light circuit theory diagrams of an embodiment.
Embodiment
As shown in Figure 2, be the night-light circuit module figure of an embodiment.This night-light circuit 10 comprises illuminating lamp 100, induction control module 200 and photosensitive circuit 300.Wherein respond to control module 200 illuminating lamps 100 and connect and respond to human body to control the Kai Heguan of illuminating lamp, photosensitive circuit 300 and induction control module 200 are connected and respond to according to intensity of illumination control the operating state of control module 200.Specifically, in the time that intensity of illumination is larger, close induction control module 200; In intensity of illumination hour, start induction control module 200.
By photosensitive circuit 300, whole night-light circuit 10 can be distinguished photoenvironment and dark surrounds.By induction control module 200, night-light circuit 10 can be controlled by induction human body again the Kai Heguan of illuminating lamp.Therefore above-mentioned night-light circuit 10 can automatically be responded to people's arrival and open illumination in dark surrounds, not only convenient but also can power saving.
In the present embodiment, induction control module 200 by human body infrared detection with respond to human body.Infrared detection has the feature of short distance detection, and therefore the possibility of false triggering is less.The controller that induction control module 200 comprises infrared ray sensor and infrared data is processed, described infrared ray sensor is used for responding to human body infrared, and described controller is processed rear output loading control signal to human body infrared data.300 of photosensitive circuits are connected with above-mentioned controller.
Particularly, with reference to figure 2, infrared ray sensor adopts pyroelectric infrared sensor (pyroelectric infraredsensor).Pyroelectric infrared sensor has positive supply pin (D), signal output pin (S) and grounding leg (G).Positive supply pin (D) and grounding leg (G) are for power supply, and signal output pin (S) is exported infrared signal in the time sensing infrared ray.
Controller adopts the controller U1 of integrated rpyroelectric infrared signal processing.The signal output pin (S) of rpyroelectric infrared (PIR) transducer is connected with the infrared signal input PIR of controller U1, positive supply pin (D) and grounding leg (G) connect respectively VDD-to-VSS.The chip controls end (CDS) of controller U1 is connected with photosensitive circuit 300; The output (OUT) of controller U1 is connected with illuminating lamp 100.
Further, this night-light circuit 10 also comprises the time delay Circuit tuning 400 that the time delay control end (TC1) of controller U1 connects.
Specifically, in Fig. 3, photosensitive circuit 300 comprises the first resistance R 1 and the light-sensitive device being connected between power supply VCC and ground.In the present embodiment, light-sensitive device is preferably phototriode Q1, and in other embodiments, light-sensitive device can also be photo resistance etc.
Time delay Circuit tuning 400 comprises the second resistance R 2 and the variable resistor R4 that are connected between power supply VCC and ground.The common port of the second resistance R 2 and variable resistor R4 is connected with the time delay control end (TC1) of controller U1.
In conjunction with Fig. 3, the operation principle of this night-light circuit 10 is below described.
When ambient light illumination is during higher than set point, phototriode Q1 conducting, the chip controls end (CDS) of controller U1 is electronegative potential, and controller U1 does not work, and whole circuit is in resting state.When ambient light illumination is during lower than set point, phototriode Q1 cut-off, the chip controls end (CDS) of controller U1 is high potential, and U1 can normally work.Wherein, can change the corresponding ambient light illumination of triggering critical value by changing the value of the first resistance R 1.Utilize the port function of the chip controls end (CDS) of controller U1 can control night-light circuit and do not work for 10 daytimes, normally work at night.
Under the state that can normally work at controller U1, in the time having human body to enter pir sensor induction region, pir sensor senses the infrared ray that human body discharges, the weak signal of telecommunication of signal output pin (S) output of PIR, via controller U1 internal arithmetic amplifier amplifies processes and is confirmed to be human body signal but not after interference signal, make output (OUT) output high level, triode Q2 conducting, illuminating lamp 100 is lighted; When human body leaves after induction region, the signal output pin (S) of pir sensor is without signal of telecommunication output, and controller U1 detects the rear time delay a period of time △ T of 3 pin (PIR pin) no signal input, then makes OUT pin output low level, and load is turned off.Wherein, the large I of adjusting variable resistor R4 changes the value of △ T, and the time of the time delayed turn-off that is changes.
The above embodiment has only expressed several execution mode of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection range of patent of the present invention should be as the criterion with claims.
Claims (6)
1. a night-light circuit, comprises illuminating lamp, it is characterized in that, also comprises:
Induction control module, is connected with described illuminating lamp and responds to human body to control the Kai Heguan of illuminating lamp;
Photosensitive circuit, is connected with described induction control module and according to the operating state of responding to control module described in intensity of illumination control;
The controller that described induction control module comprises infrared ray sensor and infrared data is processed, described infrared ray sensor is used for responding to human body infrared, described controller is processed rear output loading control signal to human body infrared data, and described photosensitive circuit is connected with described controller.
2. night-light circuit according to claim 1, it is characterized in that, described infrared ray sensor adopts pyroelectric infrared sensor, described controller adopts the controller of integrated rpyroelectric infrared signal processing, and the signal output pin of described pyroelectric infrared sensor is connected with the infrared signal input of described controller, positive supply pin and grounding leg connect respectively VDD-to-VSS; The chip controls end of described controller is connected with described photosensitive circuit; The output of described controller is connected with described illuminating lamp.
3. night-light circuit according to claim 2, is characterized in that, also comprises the time delay Circuit tuning being connected with the time delay control end of described controller.
4. night-light circuit according to claim 3, it is characterized in that, described time delay Circuit tuning comprises the second resistance and the variable resistor that are connected between VDD-to-VSS, and described the second resistance is connected with the time delay control end of described controller with variable-resistance common port.
5. night-light circuit according to claim 2, is characterized in that, described photosensitive circuit comprises the first resistance and the light-sensitive device that are connected between VDD-to-VSS, and the common port of described the first resistance and light-sensitive device is connected the chip controls end of controller.
6. night-light circuit according to claim 5, is characterized in that, described light-sensitive device is phototriode or photo resistance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210499972.0A CN103857104B (en) | 2012-11-29 | 2012-11-29 | Night-light circuit |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210499972.0A CN103857104B (en) | 2012-11-29 | 2012-11-29 | Night-light circuit |
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| CN103857104A true CN103857104A (en) | 2014-06-11 |
| CN103857104B CN103857104B (en) | 2016-04-13 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105072744A (en) * | 2015-07-25 | 2015-11-18 | 合肥智凯电子科技有限公司 | Working method for environment-friendly automatic control street lamp system |
| CN107339631A (en) * | 2016-04-28 | 2017-11-10 | 成都青岗科技有限公司 | A kind of adjustable intelligent LED mini light night of light direction |
| CN107481652A (en) * | 2017-08-11 | 2017-12-15 | 珠海格力节能环保制冷技术研究中心有限公司 | Ignition detection circuit, resolution ratio acquisition methods, display panel drive method and device |
| CN107529246A (en) * | 2016-06-22 | 2017-12-29 | 赛尔富电子有限公司 | A kind of automatic induction system and automatic sensing control method for LED illumination control |
| TWI616114B (en) * | 2014-10-23 | 2018-02-21 | 臺灣塑膠工業股份有限公司 | A current regulator |
| CN109309490A (en) * | 2018-12-04 | 2019-02-05 | 苏州东剑智能科技有限公司 | Key circuit |
| CN109654461A (en) * | 2019-03-06 | 2019-04-19 | 衡阳师范学院 | A kind of photosensitive night-light |
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| US5406173A (en) * | 1993-12-10 | 1995-04-11 | The Watt Stopper | Apparatus and method for adjusting lights according to the level of ambient light |
| CN2438291Y (en) * | 2000-07-08 | 2001-07-04 | 俞龙瑞 | Lighting controller for public telephone booth |
| CN201616940U (en) * | 2010-01-21 | 2010-10-27 | 樊维亚 | Light source switch controlled through light induction and infrared induction |
| CN202475889U (en) * | 2012-03-08 | 2012-10-03 | 阮树成 | Automatic human body infrared sensing electric lamp for writing desk |
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2012
- 2012-11-29 CN CN201210499972.0A patent/CN103857104B/en active Active
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| US5406173A (en) * | 1993-12-10 | 1995-04-11 | The Watt Stopper | Apparatus and method for adjusting lights according to the level of ambient light |
| CN2438291Y (en) * | 2000-07-08 | 2001-07-04 | 俞龙瑞 | Lighting controller for public telephone booth |
| CN201616940U (en) * | 2010-01-21 | 2010-10-27 | 樊维亚 | Light source switch controlled through light induction and infrared induction |
| CN202475889U (en) * | 2012-03-08 | 2012-10-03 | 阮树成 | Automatic human body infrared sensing electric lamp for writing desk |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI616114B (en) * | 2014-10-23 | 2018-02-21 | 臺灣塑膠工業股份有限公司 | A current regulator |
| CN105072744A (en) * | 2015-07-25 | 2015-11-18 | 合肥智凯电子科技有限公司 | Working method for environment-friendly automatic control street lamp system |
| CN107339631A (en) * | 2016-04-28 | 2017-11-10 | 成都青岗科技有限公司 | A kind of adjustable intelligent LED mini light night of light direction |
| CN107529246A (en) * | 2016-06-22 | 2017-12-29 | 赛尔富电子有限公司 | A kind of automatic induction system and automatic sensing control method for LED illumination control |
| CN107481652A (en) * | 2017-08-11 | 2017-12-15 | 珠海格力节能环保制冷技术研究中心有限公司 | Ignition detection circuit, resolution ratio acquisition methods, display panel drive method and device |
| CN109309490A (en) * | 2018-12-04 | 2019-02-05 | 苏州东剑智能科技有限公司 | Key circuit |
| CN109654461A (en) * | 2019-03-06 | 2019-04-19 | 衡阳师范学院 | A kind of photosensitive night-light |
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| Publication number | Publication date |
|---|---|
| CN103857104B (en) | 2016-04-13 |
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