CN103813572A - LED fluorescent lamp circuit having induction switch - Google Patents

LED fluorescent lamp circuit having induction switch Download PDF

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Publication number
CN103813572A
CN103813572A CN201210449042.4A CN201210449042A CN103813572A CN 103813572 A CN103813572 A CN 103813572A CN 201210449042 A CN201210449042 A CN 201210449042A CN 103813572 A CN103813572 A CN 103813572A
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CN
China
Prior art keywords
fluorescent lamp
controller
led fluorescent
led
circuit
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201210449042.4A
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Chinese (zh)
Inventor
杨银娟
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Xian Boyu Green Energy Co Ltd
Original Assignee
Xian Boyu Green Energy Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Xian Boyu Green Energy Co Ltd filed Critical Xian Boyu Green Energy Co Ltd
Priority to CN201210449042.4A priority Critical patent/CN103813572A/en
Publication of CN103813572A publication Critical patent/CN103813572A/en
Pending legal-status Critical Current

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Classifications

    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
    • Y02B20/40Control techniques providing energy savings, e.g. smart controller or presence detection

Abstract

The invention discloses an LED fluorescent lamp circuit having an induction switch. The LED fluorescent lamp circuit comprises a controller, a sensor, a pre-stage amplifier connected with the sensor, a secondary frequency selection amplifier connected with the pre-stage amplifier, a voltage comparator connected with the secondary frequency selection amplifier, a zero cross detection circuit connected with the controller, a time-delay timer, a bidirectional silicon controlled rectifier used for connecting an LED fluorescent lamp, a light sensing unit used for detecting brightness of a surrounding environment of the LED fluorescent lamp in real time and an A/D converter respectively connected with the light sensing unit and the controller. The LED fluorescent lamp has properties of reasonable design and simple wiring; the LED illumination circuit having an induction function is employed, so whether human or vehicle movement occurs in the present environment can be automatically identified to determine whether to turn on the LED fluorescent lamp, automatic time-delay quenching is realized after a human body or a heat source leaves, and convenience and energy saving are both realized; an overheating protection function is further realized, and the LED fluorescent lamp is especially suitable for occasions requiring long-time illumination and having a few of passing-by people or vehicles.

Description

A kind of LED daylight lamp circuit with inductive switch
Technical field
The present invention relates to a kind of daylight lamp circuit, especially relate to a kind of LED daylight lamp circuit with inductive switch.
Background technology
From the end of the sixties in 19th century, since GaAs uses phosphide to invent first visible infrared LED on substantially, along with the breakthrough of the technology such as semiconductor and LED encapsulation, power grade and the brightness of single-chip red, green, blue, white light LEDs constantly improve.Along with LED light efficiency, life-span and photochromic on obvious raising, its showing, there are huge potentiality in the field such as backlight, decoration and illumination.LED application constantly expands, and life-span and light efficiency are higher than traditional lighting.The subject matter that LED faces at lighting field is at present exactly Based Intelligent Control problem, and traditional LED fluorescent tube is mainly that after being electrified to fluorescent tube, fluorescent tube is always entirely bright.Although LED fluorescent lamp can be saved the electric energy of nearly half than traditional fluorescent lamp, has long-term lighting requirement for needs, but electric energy is still relatively wasted in the place of rarer people's process again.
Summary of the invention
Technical problem to be solved by this invention is for above-mentioned deficiency of the prior art, and a kind of LED daylight lamp circuit with inductive switch is provided, and its easy-to-connect simple in structure is adjusted self mode of operation by automatic induction, have good energy-saving effect.
For solving the problems of the technologies described above, the technical solution used in the present invention is: a kind of LED daylight lamp circuit with inductive switch, it is characterized in that: comprise controller, the transducer that human body or other objects move, the pre-amplifier joining with transducer, the secondary frequency selective amplifier joining with pre-amplifier, the voltage comparator joining with secondary frequency selective amplifier, the zero cross detection circuit joining with controller, under the zero-crossing pulse trigger action of zero cross detection circuit output, connect the bidirectional triode thyristor of LED fluorescent lamp, for send the regularly back off timer of shutdown signal to controller in the time that human body or other objects leave detection range, for the A/D converter that detects in real time the photosensitive unit of the bright dark degree of described LED fluorescent lamp surrounding environment and join with described photosensitive unit and controller respectively, described voltage comparator and back off timer all join with controller.
Above-mentioned a kind of LED daylight lamp circuit with inductive switch, is characterized in that: described transducer is infrared sensor or microwave remote sensor.
Above-mentioned a kind of LED daylight lamp circuit with inductive switch, is characterized in that: described controller is single-chip microcomputer.
Above-mentioned a kind of LED daylight lamp circuit with inductive switch, is characterized in that: described photosensitive unit is photo resistance.
Above-mentioned a kind of LED daylight lamp circuit with inductive switch, is characterized in that: also comprise on the lamp housing that is arranged on described LED fluorescent lamp and to LED fluorescent lamp is carried out to the detector unit of overtemperature protection, described detector unit and controller join.
Above-mentioned a kind of LED daylight lamp circuit with inductive switch, is characterized in that: described detector unit is thermal resistance.
The present invention compared with prior art has the following advantages: reasonable in design, wiring is simple; Adopt the LED lighting circuit of inducing function, can automatically identify in current environment whether have people or car activity, determine whether to open thus LED fluorescent lamp, after human body or thermal source leave, automatic time delay extinguishes, convenient energy-conservation again; There is overheat protective function simultaneously, be particularly useful for the long-term illumination of needs, but the place of rarer people or car process.
Below by drawings and Examples, technical scheme of the present invention is described in further detail.
Accompanying drawing explanation
Fig. 1 is circuit theory diagrams of the present invention.
Description of reference numerals:
1-controller; 2-transducer; 3-pre-amplifier;
4-secondary frequency selective amplifier; 5-voltage comparator; 6-zero cross detection circuit;
7-bidirectional triode thyristor; 8-LED fluorescent lamp; 9-back off timer;
10-photosensitive unit; 11-A/D converter; 12-detector unit.
Embodiment
As shown in Figure 1, the present invention includes controller 1, the transducer 2 that human body or other objects move, the pre-amplifier 3 joining with transducer 2, the secondary frequency selective amplifier 4 joining with pre-amplifier 3, the voltage comparator 5 joining with secondary frequency selective amplifier 4, the zero cross detection circuit 6 joining with controller 1, under the zero-crossing pulse trigger action of exporting at zero cross detection circuit 6, connect the bidirectional triode thyristor 7 of LED fluorescent lamp 8, for send the regularly back off timer 9 of shutdown signal to controller 1 in the time that human body or other objects leave detection range, for the A/D converter 11 that detects in real time the photosensitive unit 10 of the bright dark degree of described LED fluorescent lamp surrounding environment and join with described photosensitive unit 10 and controller 1 respectively, described voltage comparator 5 and back off timer 9 all join with controller 1.
In the present embodiment, described transducer 2 is infrared sensor or microwave remote sensor.
In the present embodiment, described controller 1 is single-chip microcomputer.
In the present embodiment, described photosensitive unit 10 is photo resistance.
In the present embodiment, also comprise on the lamp housing that is arranged on described LED fluorescent lamp 8 and to LED fluorescent lamp 8 is carried out to the detector unit 12 of overtemperature protection, described detector unit 12 joins with controller 1.
In the present embodiment, described detector unit 12 is thermal resistance.
The above; it is only preferred embodiment of the present invention; not the present invention is imposed any restrictions, every any simple modification of above embodiment being done according to the technology of the present invention essence, change and equivalent structure change, and all still belong in the protection range of technical solution of the present invention.

Claims (6)

1. the LED daylight lamp circuit with inductive switch, it is characterized in that: comprise controller (1), the transducer (2) that human body or other objects move, the pre-amplifier (3) joining with transducer (2), the secondary frequency selective amplifier (4) joining with pre-amplifier (3), the voltage comparator (5) joining with secondary frequency selective amplifier (4), the zero cross detection circuit (6) joining with controller (1), under the zero-crossing pulse trigger action of zero cross detection circuit (6) output, connect the bidirectional triode thyristor (7) of LED fluorescent lamp (8), for send the regularly back off timer (9) of shutdown signal to controller (1) in the time that human body or other objects leave detection range, for the A/D converter (11) that detects in real time the photosensitive unit (10) of the bright dark degree of described LED fluorescent lamp surrounding environment and join with described photosensitive unit (10) and controller (1) respectively, described voltage comparator (5) and back off timer (9) all join with controller (1).
2. according to a kind of LED daylight lamp circuit with inductive switch claimed in claim 1, it is characterized in that: described transducer (2) is infrared sensor or microwave remote sensor.
3. according to a kind of LED daylight lamp circuit with inductive switch described in claim 1 or 2, it is characterized in that: described controller (1) is single-chip microcomputer.
4. according to a kind of LED daylight lamp circuit with inductive switch described in claim 1 or 2, it is characterized in that: described photosensitive unit (10) is photo resistance.
5. according to a kind of LED daylight lamp circuit with inductive switch described in claim 1 or 2; it is characterized in that: also comprise on the lamp housing that is arranged on described LED fluorescent lamp (8) and to LED fluorescent lamp (8) is carried out to the detector unit (12) of overtemperature protection, described detector unit (12) joins with controller (1).
6. according to a kind of LED daylight lamp circuit with inductive switch claimed in claim 5, it is characterized in that: described detector unit (12) is thermal resistance.
CN201210449042.4A 2012-11-10 2012-11-10 LED fluorescent lamp circuit having induction switch Pending CN103813572A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201210449042.4A CN103813572A (en) 2012-11-10 2012-11-10 LED fluorescent lamp circuit having induction switch

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201210449042.4A CN103813572A (en) 2012-11-10 2012-11-10 LED fluorescent lamp circuit having induction switch

Publications (1)

Publication Number Publication Date
CN103813572A true CN103813572A (en) 2014-05-21

Family

ID=50709621

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201210449042.4A Pending CN103813572A (en) 2012-11-10 2012-11-10 LED fluorescent lamp circuit having induction switch

Country Status (1)

Country Link
CN (1) CN103813572A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104582184A (en) * 2015-01-07 2015-04-29 刘胜泉 LED lamp induction control circuit
CN105050242A (en) * 2015-05-30 2015-11-11 安徽瑞德智能科技有限公司 Infrared automatic control circuit of LED energy-saving lamp
CN105188222A (en) * 2015-09-18 2015-12-23 青岛歌尔声学科技有限公司 Switch control circuit

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104582184A (en) * 2015-01-07 2015-04-29 刘胜泉 LED lamp induction control circuit
CN105050242A (en) * 2015-05-30 2015-11-11 安徽瑞德智能科技有限公司 Infrared automatic control circuit of LED energy-saving lamp
CN105188222A (en) * 2015-09-18 2015-12-23 青岛歌尔声学科技有限公司 Switch control circuit

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Application publication date: 20140521