CN201839497U - Infrared induction variable light fluorescent lamp - Google Patents

Infrared induction variable light fluorescent lamp Download PDF

Info

Publication number
CN201839497U
CN201839497U CN2010205535931U CN201020553593U CN201839497U CN 201839497 U CN201839497 U CN 201839497U CN 2010205535931 U CN2010205535931 U CN 2010205535931U CN 201020553593 U CN201020553593 U CN 201020553593U CN 201839497 U CN201839497 U CN 201839497U
Authority
CN
China
Prior art keywords
fluorescent lamp
circuit
infrared induction
variable light
output
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.)
Expired - Fee Related
Application number
CN2010205535931U
Other languages
Chinese (zh)
Inventor
李保
高劲松
魏琦
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.)
HEFEI SANCHUAN AUTOMATION ENGINEERING Co Ltd
Original Assignee
HEFEI SANCHUAN AUTOMATION ENGINEERING 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 HEFEI SANCHUAN AUTOMATION ENGINEERING Co Ltd filed Critical HEFEI SANCHUAN AUTOMATION ENGINEERING Co Ltd
Priority to CN2010205535931U priority Critical patent/CN201839497U/en
Application granted granted Critical
Publication of CN201839497U publication Critical patent/CN201839497U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

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

Abstract

The utility model discloses an infrared induction variable light fluorescent lamp, the fluorescent lamp is taken as a load, and the infrared induction variable light fluorescent lamp is characterized in that a control circuit of the fluorescent lamp is as follows: commercial power 220V alternating current input sequentially passes through an electromagnetic interference (EMI) filter, a rectifier circuit and a power factor correction circuit and is connected with an output-stage circuit, thereby providing a working power supply for the fluorescent lamp; and the infrared induction control circuit is used for inducing a human body approximation infrared signal, controlling the fluorescent lamp to change from low brightness state to full bright state when a person approaches, and recovering the low-brightness state after the set time delay. As for the infrared induction variable light fluorescent lamp, energy can be saved and simultaneously the service life of the fluorescent lamp can be prolonged.

Description

Infrared induction variable light fluorescent lamp
Technical field
The utility model relates to illuminating lamp, a kind of fluorescent lamp of more specifically saying so.
Background technology
Raising along with expanding economy and popular life level, electric power breach and power price increase year by year, illumination also is a kind of important electricity consumption form, existing state is, is example with occasions such as supermarket, reading room, museum, waiting room, walkway, underground garages, and illumination condition is Chang Ming substantially, and in fact, these occasions are not all the time for the needs of illumination, and this has obviously caused the power consumption efficiency of illumination low, have therefore increased the use cost of lighting yet.
Fluorescent lamp has had the history of decades as a member in the gaseous discharge lamp family.Because good photoelectricity usefulness and cheap cost of manufacture, fluorescent lamp has become a kind of popular lighting source.The negative resistance charactertistic of fluorescent lamp, make must have corresponding current limiting device to match could operate as normal, this flow restricter is exactly a ballast.Fluorescent lamp the startup stage be to injure electrode most, use the fluorescent lamp of Inductive ballast, fluorescent tube of every startup is equivalent to fluorescent tube approximately and lighted continuously two hours.Therefore, frequent switch fluorescent lamp is the life-span that influences very much fluorescent lamp.
The utility model content
The utility model is for avoiding above-mentioned existing in prior technology weak point, a kind of infrared induction variable light fluorescent lamp is provided, make fluorescent lamp under the state of opening, adjust brightness as required automatically, thereby when reaching energy-conservation, also can prolong fluorescent lamp useful life.
The design feature of the utility model infrared induction variable light fluorescent lamp is:
The utility model infrared induction variable light fluorescent lamp is to be load with the fluorescent lamp, is characterized in being provided with fluorescent lamp control circuit and is:
Civil power 220V exchanges input and is connected with output-stage circuit through Electromagnetic interference filter EMI, rectification circuit, power factor correction circuit successively, for fluorescent lamp provides working power;
Respond to human body near infrared signal with the infrared induction control circuit, the change optical circuit of follow-up setting is according to the current potential in the infrared induction control signal regulating circuit, then by half-bridge drive circuit and output-stage circuit control fluorescent lamp have the people near the time change complete bright state into by low-light level, and after the delay time of setting, recover the low-light level state.
The utility model infrared induction variable light fluorescent lamp is characterized in that described output-stage circuit is is the voltage input half-bridge inverter of load with the fluorescent lamp, and the direct voltage of described output-stage circuit input is the output voltage of circuit of power factor correction.
The utility model is the variable light form, and when the people walked close to, fluorescent lamp was complete bright state by the low-light level state-transition; When nobody the time, fluorescent lamp is in the low-light level state always, reduces the number of times of switch fluorescent lamp thus.Compared with the prior art, the utility model is simple in structure, controlled function is reliable.
Description of drawings
Fig. 1 is the utility model schematic block circuit diagram.
Fig. 2 is the utility model infrared induction control circuit schematic diagram.
Embodiment
Referring to Fig. 2, in the present embodiment, the infrared induction circuit comprises an infrared sensor PIR1 and a control chip U2, and infrared sensor PIR1 is a pyroelectric sensor, is used for responding to extraneous infrared signal.If receive belong to that human body discharges infrared radiation (wavelength is about 10 microns) signal, then from 2 pin that are about the micro voltage signal of 250mV to control chip U2 of S end output of infrared sensor PIR1.Control chip U2 amplifies this micro voltage signal, generates the induced signal about 5V, exports to from light modulation end P to become light ballast chip.
The infrared induction control circuit also possesses a light-operated circuit, and light-operated circuit one end and control chip U2 receive the input voltage of 5V, and other end ground connection is equivalent in parallel with control chip U2.And light-operated circuit also is connected to 9 pin of control chip U2 with current constant mode.The photo resistance RG.1 that on light-operated circuit, connected, extraneous brightness is high more, and the resistance of photo resistance is more little.If extraneous brightness is very high, the resistance of photo resistance RG1 is very little, then the voltage of light-operated circuit is very little, be equivalent to the ground connection zero potential, control chip U2 then in parallel with it also is equivalent to zero potential, the 11st pin of control chip U2 is closed, even infrared sensor PIR1 has sensed infrared signal, control chip U2 also can't export induced signal.Otherwise dark if extraneous brightness is changeed, the resistance of photo resistance RG1 increases, and then voltage also increases thereupon, removes the blockade to 11 pin of control chip U2, and control chip U2 can generate and export induced signal according to the induction result of infrared sensor PIR1.The simple infrared induction that adopts just can realize only the pedestrian being arranged through the bright lamp of out-of-date, thus saves energy; Further infrared induction is combined with light-operated, then lighting-off by day automatically is more energy-conservation.What the sensor circuit in the present embodiment adopted is infrared sensor, and also replaceable is sonic transducer etc.
Delay circuit is made of an oscillating circuit, makes the induction control module under infrared sensor PIR1 has responded to situation less than infrared signal, still continues to generate and the output induced signal in the time of setting.So, fluorescent lamp just is unlikely to the pedestrian just through just extinguishing suddenly, and is humanized.
Shown in Figure 1, electromagnetic interface filter is an Electromagnetic interference filter, because various interference are the most serious at the system interface place, so in the present embodiment electromagnetic interface filter is arranged on the porch of AC power cord; The conducted interference of AC power cord comprises differential mode noise composition and common-mode noise composition.In order to play the effect that suppresses to disturb, reduce noise, adopt the alternating current circuit electromagnetic interface filter in the present embodiment, both suppressed common mode and differential mode interference from electrical network, guarantee that common-mode noise and differential mode noise do not appear in secondary side.The electromagnetic interference that electric ballast self is produced plays attenuation simultaneously, guarantees that electrical network is not contaminated.
Rectification circuit is by rectifier bridge the alternating current of importing to be carried out rectification, output DC.
Circuit of power factor correction is crossed when low when power factor, and power supply equipment is not fully utilized, and causes the huge waste of electric energy, influences the normal operation of power consumption equipment, and can produce heat in the current supply line of building.The power factor of electric ballast is low can to limit the load of household electrical appliance, even can increase lighting expense usefulness, and present embodiment guarantees the normal power factor (PF) of circuit with circuit of power factor correction.
The infrared induction control circuit is as signal detection circuit in the present embodiment, is used for surveying having or not personnel approaching.
Become optical circuit, regulate the current potential that becomes in the optical circuit according to the infrared induction control signal, and then the brightness of control fluorescent lamp.
Output-stage circuit, adopting with the fluorescent lamp is the voltage input half-bridge inverter of load, the direct voltage of its input is the output voltage of circuit of power factor correction.The frequency of variable light electric ballast special chip driven MOS FET pipe about with 40kHz alternately cut-off, and like this, just produces high frequency square wave at the mid point of half-bridge circuit.Fluorescent lamp is in off state before startup, choke induction and startup electric capacity, capacitance have just been formed the LC series resonant circuit like this.
The VDC end of change light ballast chip (IRF2350D of American I R company) and the voltage of VCC end directly the rectifier bridge output voltage from circuit of power factor correction are obtained.
The change light ballast control circuit that can Gong select for use at present has the device of tens types, wherein comprise FM2811 and FM2822 that Shanghai Fudan Microelectronics Co., Ltd produces, IR2159, IR21592, IR21593 and IRF2350D that American I R company releases are the most representative control circuits.
Adopt known phase control to realize that fluorescent lamp becomes light, is specially:
When preheating and trigger mode, circuit LC high frequency series resonance, the electric current and voltage phase difference of resonance point is ± 90 °, operating frequency is a little more than resonance frequency.
Become under the optical mode, inductance L in the circuit and capacitor C series connection, phase difference is little when high-power, and small-power be phase place is inverted.So during the operational mode after the triggering, input current and half-bridge output voltage phase difference are to change between 0~-90 °, wherein, the corresponding maximum power of zero phase difference.The output of hot so outer induction control circuit has potential change, and the phase place of load current will Back Up, thereby power output changes, and has realized the change light of variable light electric ballast special chip circuit to brightness of fluorescent lamp.

Claims (2)

1. infrared induction variable light fluorescent lamp is to be load with the fluorescent lamp, it is characterized in that being provided with fluorescent lamp control circuit and is:
Civil power 220V exchanges input and is connected with output-stage circuit through Electromagnetic interference filter EMI, rectification circuit, power factor correction circuit successively, for fluorescent lamp provides working power;
Respond to human body near infrared signal with the infrared induction control circuit, the change optical circuit of follow-up setting is according to the current potential in the infrared induction control signal regulating circuit, then by half-bridge drive circuit and output-stage circuit control fluorescent lamp have the people near the time change complete bright state into by low-light level, and after the delay time of setting, recover the low-light level state.
2. infrared induction variable light fluorescent lamp according to claim 1 is characterized in that described output-stage circuit is is the voltage input half-bridge inverter of load with the fluorescent lamp, and the direct voltage of described output-stage circuit input is the output voltage of circuit of power factor correction.
CN2010205535931U 2010-09-30 2010-09-30 Infrared induction variable light fluorescent lamp Expired - Fee Related CN201839497U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2010205535931U CN201839497U (en) 2010-09-30 2010-09-30 Infrared induction variable light fluorescent lamp

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2010205535931U CN201839497U (en) 2010-09-30 2010-09-30 Infrared induction variable light fluorescent lamp

Publications (1)

Publication Number Publication Date
CN201839497U true CN201839497U (en) 2011-05-18

Family

ID=44009598

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2010205535931U Expired - Fee Related CN201839497U (en) 2010-09-30 2010-09-30 Infrared induction variable light fluorescent lamp

Country Status (1)

Country Link
CN (1) CN201839497U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103384434A (en) * 2013-06-25 2013-11-06 常州凯森光电有限公司 Automatic-dimming illumination device
TWI468077B (en) * 2012-10-15 2015-01-01

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI468077B (en) * 2012-10-15 2015-01-01
CN103384434A (en) * 2013-06-25 2013-11-06 常州凯森光电有限公司 Automatic-dimming illumination device

Similar Documents

Publication Publication Date Title
CN202889747U (en) Controller for smart power grid frequency-variable energy-saving streetlamp
CN103442501B (en) Forced constant flow source dimming LED (Light Emitting Diode) lamp
CN103442481A (en) Full-compatible low-ripper LED fluorescent lamp
CN102933000A (en) Controller for intelligent power grid variable frequency energy-saving street lamp
CN102905442A (en) Light emitting diode lamp and method for controlling light emission thereof
CN202183900U (en) Driving device capable of adjusting light steplessly by power switch
CN102395233A (en) Switching light modulation LED driving circuit and LED lamp set
CN201839497U (en) Infrared induction variable light fluorescent lamp
CN201491360U (en) Human body sensing dimmer and human body sensing lamp
CN202972697U (en) Down lamp capable of switching brightness levels automatically
CN203761629U (en) Time-delay variable human body-induction LED drive circuit
CN204554471U (en) Intelligent LED induction Cleaning luminaire
CN106211510A (en) A kind of energy-saving streetlamp system based on Internet of Things Based Intelligent Control and control method thereof
CN201509357U (en) Electrode-less lamp microwave dimming amperite
CN205610989U (en) LED lamp with switch stepless dimming
CN202972844U (en) Ceiling lamp capable of switching brightness levels automatically
CN201435867Y (en) Infrared adjustable light electronic ballast
CN203023957U (en) Panel lamp capable of automatically switching luminance levels
CN201839498U (en) Inductive fluorescent lighting fixture
CN202979368U (en) Light emitting diode lamp
CN202979406U (en) Double-level brightness intelligent-control LED illumination circuit
CN203708536U (en) Completely-compatible low-ripple LED fluorescent lamp
CN204291510U (en) LED daylight lamp circuit, LED daylight lamp that a kind of electronic ballast for fluoresent lamp drives
TWM440613U (en) Light adjusting circuit
CN203181393U (en) Light modulation HID electronic ballast based on RF wireless network

Legal Events

Date Code Title Description
GR01 Patent grant
C14 Grant of patent or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20110518

Termination date: 20150930

EXPY Termination of patent right or utility model