CN201054829Y - Low power consumption light source - Google Patents

Low power consumption light source Download PDF

Info

Publication number
CN201054829Y
CN201054829Y CNU2007201109952U CN200720110995U CN201054829Y CN 201054829 Y CN201054829 Y CN 201054829Y CN U2007201109952 U CNU2007201109952 U CN U2007201109952U CN 200720110995 U CN200720110995 U CN 200720110995U CN 201054829 Y CN201054829 Y CN 201054829Y
Authority
CN
China
Prior art keywords
circuit
diode
light source
resistance
capacitor
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
CNU2007201109952U
Other languages
Chinese (zh)
Inventor
冯贵春
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to CNU2007201109952U priority Critical patent/CN201054829Y/en
Application granted granted Critical
Publication of CN201054829Y publication Critical patent/CN201054829Y/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Classifications

    • 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
    • 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
    • Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
    • Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
    • 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
    • Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
    • Y04S20/20—End-user application control systems

Landscapes

  • Circuit Arrangement For Electric Light Sources In General (AREA)

Abstract

The utility model relates to a light source with low electricity consumption. The light source comprises a switch type power circuit connected with an external power supply. A first positive end and a first negative end of the switch type power circuit are connected by a white-light LED luminous circuit, and a second positive end and a second negative end are connected by a chargeable battery circuit. The utility model has high isolation voltage, small size, and pulse charging function, and provides a backup power supply for emergency lighting after power outage. Moreover, the utility model can be automatically charged, and can switch automatically the battery supply to the emergency lighting supply loop after the power outage, without manual operation. The white-light LED unit lamp has high luminous efficacy and low energy consumption, so the life of the utility model is far longer than the life of the electric light source which is applied now. The light source with low electricity consumption has the advantages of simple structure, safety and reliability, and easy implementing, thereby being an alternate light source in the field of the electric light source.

Description

The low power consumption light source
Technical field
The utility model relates to lighting electric light source, relates in particular to the low power consumption light source.
Background technology
Incandescent lamp and tungsten halogen lamp light efficiency have only 12 lumens/watt to 18 lumens/watt, and fluorescent lamp is 50 lumens/watt, and the life-span is all shorter; Illumination power consumption now occupies significant proportion in energy resource consumption, because luminous efficiency of source is low now, not only increased energy resource consumption, brings adverse effect also for the environment temperature rise.There are not enough outstanding problems such as light efficiency is low, energy consumption is high, the life-span is short in existing light source.
Summary of the invention
Technical problem to be solved in the utility model is to overcome the defective of present technology, provides a kind of isolation voltage height, volume little, has both the low power consumption light source of the charge function of pulsing.It provides stand-by power supply for the back emergency lighting that has a power failure.
The utility model solves the problems of the technologies described above the technical scheme that is adopted: the low power consumption light source, comprise the switched-mode power supply circuit that connects external power supply, the technical measures of taking comprise: be connected with the white light LEDs illuminating circuit between switched-mode power supply circuit first anode and the negative terminal, be connected with the chargeable battery circuit between second anode and the negative terminal.
The technical measures of taking also comprise: above-mentioned switched-mode power supply circuit comprises power circuit and ON-OFF control circuit; Power circuit comprises matched and by first capacitor C 1, first resistance R 1, second resistance R 2The interchange limiting filter circuit of forming is to improve antijamming capability and protection rectifier diode, by the first diode D 1To the 4th diode D 4Form bridge rectifier, by second capacitor C 2, the 3rd capacitor C 3Form filter circuit, the direct current behind the bridge rectifier is carried out filtering, with the alternating component after the minimizing rectification; By the 4th capacitor C 4, the 5th capacitor C 5, the 3rd resistance R 3, triode BG, transformer B form the switching mode reduction voltage circuit; ON-OFF control circuit comprises matched and by the 4th resistance R that connects B time grade in transformer 4, the 9th diode D 9Form the charging impulse output circuit, by the 5th diode D 5, the 5th resistance R 5The battery charge pressure limiting circuit of forming is to avoid battery over charge; By the 6th diode D that connects B level of transformer 6, the 7th diode D 7Form the low pressure full-wave rectifying circuit, by the 8th diode D 8, the 6th resistance R 6The limit circuit of forming carries out spacing to the low pressure output upper limit; By the 6th capacitor C 6The low pressure output voltage stabilizing circuit of forming is by the tenth diode D 10The battery automatic power commutation circuit of forming.
Above-mentioned white light LEDs illuminating circuit is made up of at least one group of LED unit lamp that is connected in series mutually and current-limiting protection resistance R X, and the current-limiting protection resistance R X other end is electrically connected the 6th resistance R through commutator K 6, the 6th capacitor C 6, the 6th diode D 6, the 7th diode D 7, the tenth diode D 10Between contact; The centre tap lead-out wire of B level of transformer is a negative terminal; Commutator K also connects external power supply.When needing illumination, with commutator K closure, LED unit lamp gets electroluminescence, battery charge, and commutator K disconnects back lighting to be stopped, and the battery accumulation of energy is standby.
Compared with prior art, the utility model adopts switching mode step-down electric power-feeding structure, and isolation voltage is greater than 2500V, and is safe and reliable; With common Switching Power Supply difference: be to give under the situation of illuminalive power-supply,, need not to establish in addition charge power supply to the chargeable battery charging of pulsing automatically; It has solved the emergency lighting problem, is different from common emergency light, and it can charge automatically, after the power failure powered battery is automatically switched to the emergency lighting current supply circuit, does not need manual operation control.Its low power consumption luminous efficiency of source can reach 80 lumens/watt to 100 lumens/watt, but same light according under low power consumption light source energy savings nearly 50%, its life-span can reach more than 10,000 hours.
Description of drawings
Fig. 1 is the circuit block diagram of the utility model embodiment;
Fig. 2 is the circuit theory schematic diagram of Fig. 1.
Embodiment
Embodiment describes in further detail the utility model below in conjunction with accompanying drawing.
Fig. 1 to Fig. 2 is the low power consumption light source, and the low power consumption light source comprises the switched-mode power supply circuit that connects external power supply, is connected with the white light LEDs illuminating circuit between switched-mode power supply circuit first anode and the negative terminal, is connected with the chargeable battery circuit between second anode and the negative terminal.Switched-mode power supply circuit comprises power circuit and ON-OFF control circuit; Power circuit comprises matched and by first capacitor C 1, first resistance R 1, second resistance R 2The interchange limiting filter circuit of forming is to improve antijamming capability and protection rectifier diode, by the first diode D 1To the 4th diode D 4Form bridge rectifier, by second capacitor C 2, the 3rd capacitor C 3Form filter circuit, the direct current behind the bridge rectifier is carried out filtering, with the alternating component after the minimizing rectification; By the 4th capacitor C 4, the 5th capacitor C 5, the 3rd resistance R 3, triode BG, transformer B form the switching mode reduction voltage circuit; ON-OFF control circuit comprises matched and by the 4th resistance R that connects B time grade in transformer 4, the 9th diode D 9Form the charging impulse output circuit, by the 5th diode D 5, the 5th resistance R 5The battery charge pressure limiting circuit of forming is to avoid battery over charge; By the 6th diode D that connects B level of transformer 6, the 7th diode D 7Form the low pressure full-wave rectifying circuit, by the 8th diode D 8, the 6th resistance R 6The limit circuit of forming carries out spacing to the low pressure output upper limit; By the 6th capacitor C 6The low pressure output voltage stabilizing circuit of forming is by the tenth diode D 10The battery automatic power commutation circuit of forming.The white light LEDs illuminating circuit is made up of at least one group of LED unit lamp that is connected in series mutually and current-limiting protection resistance R X, and the current-limiting protection resistance R X other end is electrically connected the 6th resistance R through commutator K 6, the 6th capacitor C 6, the 6th diode D 6, the 7th diode D 7, the tenth diode D 10Between contact; The centre tap lead-out wire of B level of transformer is a negative terminal; Commutator K also connects external power supply.When needing illumination, with commutator K closure, LED unit lamp gets electroluminescence, battery charge, and commutator K disconnects back lighting to be stopped, and the battery accumulation of energy is standby.
The utility model volume is little, conversion efficiency is high, wide input voltage range, input ac voltage need not to adjust from 160V to 280V, and safe isolation voltage＞2500V possesses the pulsation charge function in addition, to unexpected power failure, this low power consumption light source can switch to emergency cell the illuminalive power-supply loop automatically; Along with the light efficiency of white light LEDs unit lamp and the raising of power, this low power consumption light source, alternative fully present low light efficiency, high energy consumption, short lighting source of life-span.The low power consumption light-source structure is simple, safe and reliable, implement easily, be the replacement light source in the electric light source field.
Most preferred embodiment of the present utility model is illustrated, and various variations or the remodeling made by those of ordinary skills can not break away from scope of the present utility model.

Claims (3)

1. the low power consumption light source comprises the switched-mode power supply circuit that connects external power supply, it is characterized in that: be connected with the white light LEDs illuminating circuit between described switched-mode power supply circuit first anode and the negative terminal, be connected with the chargeable battery circuit between second anode and the negative terminal.
2. low power consumption light source according to claim 1 is characterized in that: described switched-mode power supply circuit comprises power circuit and ON-OFF control circuit; Described power circuit comprises matched and by first capacitor C 1, first resistance R 1, second resistance R 2The interchange limiting filter circuit of forming is by the first diode D 1To the 4th diode D 4Form bridge rectifier, by second capacitor C 2, the 3rd capacitor C 3Form filter circuit, by the 4th capacitor C 4, the 5th capacitor C 5, the 3rd resistance R 3, triode BG, transformer B form the switching mode reduction voltage circuit; Described ON-OFF control circuit comprises matched and by the 4th resistance R that connects B time grade in transformer 4, the 9th diode D 9Form the charging impulse output circuit, by the 5th diode D 5, the 5th resistance R 5The battery charge pressure limiting circuit of forming is by the 6th diode D that connects B level of transformer 6, the 7th diode D 7Form the low pressure full-wave rectifying circuit, by the 8th diode D 8, the 6th resistance R 6The limit circuit of forming is by the 6th capacitor C 6The low pressure output voltage stabilizing circuit of forming is by the tenth diode D 10The battery automatic power commutation circuit of forming.
3. low power consumption light source according to claim 2; it is characterized in that: described white light LEDs illuminating circuit is made up of at least one group of LED unit lamp that is connected in series mutually and current-limiting protection resistance R X, and the described current-limiting protection resistance R X other end is electrically connected the 6th resistance R through commutator K 6, the 6th capacitor C 6, the 6th diode D 6, the 7th diode D 7, the tenth diode D 10Between contact; The centre tap lead-out wire of B level of described transformer is a negative terminal; Described commutator K also connects described external power supply.
CNU2007201109952U 2007-06-20 2007-06-20 Low power consumption light source Expired - Fee Related CN201054829Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNU2007201109952U CN201054829Y (en) 2007-06-20 2007-06-20 Low power consumption light source

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNU2007201109952U CN201054829Y (en) 2007-06-20 2007-06-20 Low power consumption light source

Publications (1)

Publication Number Publication Date
CN201054829Y true CN201054829Y (en) 2008-04-30

Family

ID=39394487

Family Applications (1)

Application Number Title Priority Date Filing Date
CNU2007201109952U Expired - Fee Related CN201054829Y (en) 2007-06-20 2007-06-20 Low power consumption light source

Country Status (1)

Country Link
CN (1) CN201054829Y (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101917127A (en) * 2010-07-14 2010-12-15 介国安 Energy-saving capacitor depressurization dual-power-supply double-isolation control module

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101917127A (en) * 2010-07-14 2010-12-15 介国安 Energy-saving capacitor depressurization dual-power-supply double-isolation control module
CN101917127B (en) * 2010-07-14 2012-05-02 介国安 Energy-saving capacitor depressurization dual-power-supply double-isolation control module

Similar Documents

Publication Publication Date Title
CN201382353Y (en) Capacitance LED emergency lighting lamp unit
CN106028567A (en) Emergency lighting circuit and emergency lighting lamp
CN104768291A (en) Improved Cuk LED drive power source without electrolytic capacitor
CN201430719Y (en) Electronic emergency inverter
CN211580235U (en) Dual-mode emergency LED lamp and LED control circuit
JP5624268B2 (en) Lighting device, lighting fixture
CN201054829Y (en) Low power consumption light source
CN201170520Y (en) Efficient energy-saving lamp
CN202927709U (en) Chargeable alternating-current and direct-current LED (light-emitting diode) bulb
CN102413609A (en) Low-power illuminating system with LED (light-emitting diode) lamps
CN201260260Y (en) LED driver circuit capable of long lighting using alternating current electrical main supply
CN201298940Y (en) LED light fixture driving power supply
CN202150978U (en) Emergency illuminating lamp
CN201018693Y (en) Uninterruption LED emergency lighting light
CN2899371Y (en) Explosion-proof signal light
CN103220837A (en) Light-emitting diode (LED) continuous lighting device
CN201827696U (en) Emergency energy-saving lamp
CN201672429U (en) LED illuminating system with emergency power supply
CN205606416U (en) Low blue light LED safe illumination's ceiling lamp
CN105072766B (en) Multifunctional emergency light supply unit and its control method
CN201973637U (en) Household led illumination lamp
CN104797031B (en) LED voltage increase and current constant driving circuits
CN107613611A (en) Alternating current and direct current automatic switchover LED
Pinto et al. Street lighting system based on integrated buck-flyback converter to supply LEDs without energy consumption during the peak load time
CN202915227U (en) Mining low-power-consumption emergency LED (Light-Emitting Diode) lighting device

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20080430

Termination date: 20100620