CN202551475U - A device capable of outputting and igniting fluorescent lamps in two ways and in an energy-saving manner - Google Patents
A device capable of outputting and igniting fluorescent lamps in two ways and in an energy-saving manner Download PDFInfo
- Publication number
- CN202551475U CN202551475U CN2011202063878U CN201120206387U CN202551475U CN 202551475 U CN202551475 U CN 202551475U CN 2011202063878 U CN2011202063878 U CN 2011202063878U CN 201120206387 U CN201120206387 U CN 201120206387U CN 202551475 U CN202551475 U CN 202551475U
- Authority
- CN
- China
- Prior art keywords
- circuit
- fluorescent lamp
- current
- high frequency
- power 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
Links
Images
Landscapes
- Circuit Arrangements For Discharge Lamps (AREA)
Abstract
The utility model relates to and discloses a device capable of outputting and igniting fluorescent lamps in two ways and in an energy-saving manner. The device comprises an EMC filter circuit, an active filter circuit, a high-frequency rectification filter circuit, a high-frequency chopper power output circuit A, a high-frequency chopper power output circuit B, current distribution circuits, resonance phase shift circuits and current-limiting circuits. Each current distribution circuit, each resonance phase shift circuit and each current-limiting circuit are in series connection with a fluorescent lamp set. The high-frequency chopper power output circuit A is used for providing power for three or more than three groups of an electric light source set that are connected to an output loop in parallel. The high-frequency chopper power output circuit B is used for providing power for three or more than three groups of an electric light source set that are connected to the output loop in parallel. Each electric light source set is composed of one current distribution circuit, one resonance phase shift circuit, one current-limiting circuit and one fluorescent lamp set that are connected together in series.
Description
Technical field
The utility model relates to the electric source lighting technical field, particularly relates to the energy-conservation device of lighting fluorescent lamp of a kind of two-way output.
Background technology
Traditional mode of lighting fluorescent lamp, be confirm input line voltage, light tube electric voltage, lamp current, with inductance, electric capacity, resistance or electric ballast current limliting.Step-down, boost, startup and operate as normal that method such as voltage stabilizing guarantees fluorescent lamp.
The household electricity light source can be divided into the three major types type basically at present: ordinary lamps (tungsten lamp), Halogen lamp LED, fluorescent lamp and LED; Fluorescent lamp mainly is made up of fluorescent tube, starter, ballast; The fluorescent tube operation principle is: be added in voltage between the two poles of the earth of starter behind the switch connection power supply; Make the neon discharge and send aura; The heat that aura produces makes U type movable contact spring expansion elongation, connects with static contact, so the filament in ballast coil and the fluorescent tube just has electric current to pass through.After circuit was connected, the neon in the starter stopped discharge, and the cooling of U matrix is shunk, and two contacts separate the circuit automatic disconnection.In the moment that circuit breaks off suddenly; Because the ballast electric current sharply reduces, and can produce very high self induction electromotive force, self induction electromotive force and supply voltage that direction is identical with original voltage direction are superimposed; Form an instantaneous high pressure; Be added in lamp tube ends, make the gas in the fluorescent tube begin discharge, begin luminous so fluorescent lamp becomes current paths.Fluorescent lamp begins when luminous, because alternating current will produce self induction electromotive force through the coil of ballast in the coil, it always hinders, and electric current changes, and at this moment ballast plays a part the step-down current limliting, to guarantee the fluorescent lamp operate as normal.Ballast produces instantaneous high pressure when starting, light fluorescent lamp, when operate as normal, plays step-down, metering function; The effect of capacitor is to avoid producing electric spark in the starter.
Because traditional ignition device is directly lit a lamp through ballast with civil power 220V50Hz; Improve power factor mostly as much as possible in order not influence electrical network reduction line loss; Reduce reactive current, and electric current is depended in fluorescent lamp lamp power brightness of lamp just under the certain situation of light tube electric voltage.The real work electric current of several kinds of electric light sources commonly used: under line voltage 220V situation,
Single lamp of 400W high-pressure sodium lamp, operating current are 4.2A.
Single lamp of 250W high-pressure sodium lamp, operating current are 2.5A.
Single lamp of 400W metal halide lamp, operating current are 3.8A.
Single lamp of 250W metal halide lamp, operating current are 2.3A.
Single lamp of inductance type ballast 40W fluorescent lamp, operating current is 0.36A.
Single lamp of electronic ballast 40W fluorescent lamp, operating current is 0.3A.
Led light source, operating current are 0.03A, direct current.
Can know that according to above data the electric light source power consumption is except that electric light source itself, ballast is simultaneously also at consumed power.In addition, the producer that great majority are engaged in lighting technology exploitation, produce drops into a large amount of manpowers, equipment, fund and is devoted to produce little effect the research of ligthing paraphernalia as pure resistive load, fails obviously to improve energy-saving effect.
In the prior art, because most of electric light source commonly used is low to the utilance of electric energy, and lighting quality is not high, has caused the waste of the raw material and the valuable energy.
Summary of the invention
The utility model technical problem to be solved is, overcomes the shortcoming of prior art, provides that a kind of cost is low, lighting quality is high, the effective energy-conservation device of lighting fluorescent lamp.
The technical scheme that the utility model adopted is: the energy-conservation device of lighting fluorescent lamp of a kind of two-way output; Comprise: EMC filter circuit, active filter circuit, rectifier filter circuit, high frequency chopping power output circuit A; High frequency chopping power output circuit B, current dividing circuit, resonance phase-shift circuit, current-limiting circuit; Be connected in series with the fluorescent lamp group in said current dividing circuit, resonance phase-shift circuit, the current-limiting circuit, mains supply is imported said active filter circuit; Said active filter circuit is exported to said rectifier filter circuit; The positive voltage output end of said rectifier filter circuit output is connected with the positive voltage input of said high frequency chopping power output circuit A, said high frequency chopping power output circuit B; The negative voltage output of said rectifier filter circuit output is connected with the negative voltage input of said high frequency chopping power output circuit A, said high frequency chopping power output circuit B, said high frequency chopping power output circuit A be connected in parallel on more than three groups or three groups said current dividing circuit in the output loop, resonance phase-shift circuit, current-limiting circuit, and the electric light source group that becomes of fluorescent lamp electric power is provided.Said electric light source group is by the said current dividing circuit that is connected in series, resonance phase-shift circuit, current-limiting circuit, form with said fluorescent lamp group.Said high frequency chopping power output circuit B is that the electric light source group that is connected in parallel on said current dividing circuit in the output loop, resonance phase-shift circuit, current-limiting circuit more than three groups or three groups, becomes with fluorescent lamp provides electric power.Said electric light source group is made up of the said current dividing circuit that is connected in series, resonance phase-shift circuit, current-limiting circuit and said fluorescent lamp group.
Said high frequency chopping power output circuit A, said high frequency chopping power output circuit B operating frequency is identical but the voltage of two-way output, the phase angle of electric current differ 180 degree; That is to say that said high frequency chopping power output circuit A supplies with institute for the said electric light source group of load voltage, when electric current is positive half cycle; It is negative half period for the said electric light source group of load voltage, electric current that said high frequency chopping power output circuit B supplies with institute; The electric current of the said high frequency chopping power output circuit of the two-way load A that for said rectifier filter circuit, is supplied with, said high frequency chopping power output circuit B be anti-phase can access the some of cancelling out each other, to reach purpose of energy saving.
Said current dividing circuit, resonance phase-shift circuit, current-limiting circuit are distributed to be in series with fluorescent lamp by inductance coil, resonance phase shifting capacitor, electric current and form, and are connected with capacitor between one of them incoming end of every fluorescent lamp head end and tail end.
Said high frequency chopping power output circuit A, with said high frequency chopping power output circuit B be that said current dividing circuit, resonance phase-shift circuit, current-limiting circuit, the fluorescent lamp that is connected in parallel on more than three groups or three groups in the output loop provides said current dividing circuit, resonance phase-shift circuit, current-limiting circuit, the line principle of fluorescent lamp, connected mode, structure, parameter, the performance of electric power identical.
Said current dividing circuit, resonance phase-shift circuit, current-limiting circuit, be in series by inductance coil, resonance shift capacitor, with fluorescent lamp and form; Supply power respectively by said high frequency chopping power output circuit A, said high frequency chopping power output circuit B; The said current dividing circuit that is connected in series, resonance phase-shift circuit, current-limiting circuit, become the electric light source group with fluorescent lamp; The said electric light source group of many groups; Resonance frequency after parallel connection one-tenth is as a whole is identical with the operating frequency of said high frequency chopping power output circuit A, said high frequency chopping power output circuit B, and the current phase of every group of said electric light source group has nothing in common with each other.
The beneficial effect of the utility model is: the utility model is owing to adopting high frequency switch power and current dividing circuit, resonance phase-shift circuit, current-limiting circuit, can lighting many fluorescent lamps simultaneously; Fluorescent lamp is worked under different time, different phase; Fluorescent lamp can obtain higher photoelectric conversion efficiency under the prerequisite of using smaller power, can light many fluorescent lamps simultaneously, has obviously improved lighting quality; Improve power factor, thereby reached the purpose that saves material with the energy.
Utilize mains supply, produce one and the power supply that fluorescent lamp more can effectively mate is lighted fluorescent lamp, make fluorescent lamp can under the prerequisite of using smaller power, obtain higher photoelectric conversion efficiency than mains supply; Under the situation of the normal working voltage that guarantees fluorescent lamp, effectively utilize reactive current, satisfy the electricity consumption requirement of electrical network and civil power simultaneously.Since adopt two-way output simultaneously not homophase light fluorescent lamp, reach energy-conservation effect thereby power supply is reduced from the civil power consumed current.Can obtain the power savings of 40%-45% after same fluorescent lamp employing the utility model patent.
Description of drawings
Fig. 1 is the composition block diagram of the utility model;
Fig. 2 circuit diagram that to be patent of the present invention be in series and form by many groups of said current dividing circuits of said high frequency chopping power output circuit A, said high frequency chopping power output circuit B and power supply respectively, resonance phase-shift circuit, current-limiting circuit, with the fluorescent lamp group;
Fig. 3 is the circuit diagram that the utility model is in series and is formed by said current dividing circuit, resonance phase-shift circuit, current-limiting circuit and fluorescent lamp;
Fig. 4 is the sketch map that many fluorescent tubes of the utility model are in series and form.
Embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is done further explain:
Fig. 1 is the technical scheme block diagram that the utility model adopts; The energy-conservation device of lighting fluorescent lamp of a kind of two-way output; Comprise: EMC filter circuit, active filter circuit, rectifier filter circuit, high frequency chopping power output circuit A, high frequency chopping power output circuit B, said high frequency chopping power output circuit A are connected in parallel on said high frequency chopping power output circuit A more than three groups or three groups, the electric light source group in the output loop provides electric power.Said high frequency chopping power output circuit B is connected in parallel on said high frequency chopping power output circuit B more than three groups or three groups, the electric light source group in the output loop provides electric power.
Fig. 2 is the electric light source prescription frame sketch map that the utility model is made up of single fluorescent lamp; As shown in Figure 2; Said high frequency chopping power output circuit A is said current dividing circuit, the current-limiting circuit that is connected in parallel on more than three groups or three groups in the output loop, and resonance phase-shift circuit, current-limiting circuit and fluorescent lamp are in series and form the electric light source group.Said electric light source group is in series by inductance coil, resonance shift capacitor, current dividing circuit and fluorescent lamp and forms.Be connected with capacitor between one of them incoming end of every fluorescent lamp head end and tail end.Said high frequency chopping power output circuit B is connected in parallel on said current dividing circuit, resonance phase-shift circuit, current-limiting circuit and fluorescent lamp in the output loop to be in series and to form the electric light source group more than three groups or three groups.Said electric light source group is in series by inductance coil, resonance shift capacitor, current dividing circuit and fluorescent lamp and forms.Be connected with capacitor between another incoming end of every fluorescent lamp head end and tail end.
Fig. 3 is the electric light source prescription frame sketch map that the utility model is made up of single fluorescent lamp, and is as shown in Figure 3, said current dividing circuit, current-limiting circuit, and resonance phase-shift circuit, current-limiting circuit and fluorescent lamp are in series and form the electric light source group.Said electric light source group is in series by inductance coil, resonance shift capacitor, current dividing circuit and fluorescent lamp and forms.Be connected with capacitor between another incoming end of every fluorescent lamp head end and tail end.
Fig. 4 is the block diagram that the utility model fluorescent lamp is connected in series; As shown in Figure 4; Every group of said electric light source group that parallel connection is lighted; Can be 1-4 fluorescent lamp, the fluorescent lamp in every group of said electric light source group be connected with capacitor for being connected in series between another incoming end of the head end of every fluorescent lamp and tail end.
Conventional fluorescent need man-to-manly be lighted with ballast, starter or electric ballast.There are several electric light sources that several ballasts, starter or several electrons ballast are just arranged.And this device can a pair of n light many systems.When having cancelled n ballast, a starter or n electric ballast; Differ 180 degree voltages, electric currents with the two-way output phase and light many group fluorescent lamps, improved lighting quality, reduced input current; The Harmonics of Input total amount; Improved power factor, reasonable distribution size, the time of every group of required electric current of fluorescent lamp, reached energy savings and raw-material purpose.
The utility model operation principle is following: the alternating current of 220V50Hz or 110V60Hz; Behind over commutation with high-quality PFC active filter circuit; To effectively be improved because of lighting the current waveform that fluorescent lamp changes, reached sinusoidal wave basically, simultaneously power factor brought up to more than 0.99; And direct voltage boosted or voltage stabilizing, reach and light the needed voltage of fluorescent lamp.Under the fluctuation of mains input voltage ± 30%, the VD of PFC active filter circuit remains unchanged.
Through high-frequency rectification, filtered direct voltage; Through obtaining the alternating voltage output of a positive and negative symmetry of high frequency after said high frequency chopping power output circuit A, said high frequency chopping power output circuit B, the copped wave; Said high frequency chopping power output circuit A, said high frequency chopping power output circuit B, output AC voltage, effective value, frequency is in full accord but the phase angle differ 180 the degree. basic high frequency chopping power output circuit can be half-bridge, full-bridge, resonant circuit etc.No matter adopt which kind of circuit, be the high-frequency alternating current of positive-negative half-cycle symmetry during with the fluorescent lamp load.
The output of said high frequency chopping power output circuit A, said high frequency chopping power output circuit B, parallel connection are simultaneously lighted three groups or three groups of above said electric light source groups.The quantity of the said electric light source group that parallel connection is lighted depend on said high frequency chopping power output circuit A, said high frequency chopping power output circuit B power output and lighted the power of said electric light source group fluorescent tube.Its computational methods:
The power output W=1.2Wd of high frequency chopping power output circuit.
Wd be lighted the power summation of said electric light source.
Fig. 3 is that the utility model is by said inductance coil, resonance shift capacitor, current-limiting circuit and single the said electric light source group sketch map that fluorescent tube is formed; Fig. 4 is the said electric light source group that every group of parallel connection lighted; Can be 1-4 fluorescent lamp; Fluorescent lamp in every group of said electric light source group is for being connected in series, and its quantity depends primarily on peak, the peak value of the high frequency voltage of high frequency chopping power output circuit output, its computational methods:
Fluorescent lamp in every group is counted n=0.6Vpp/VD.
Vpp: said high frequency chopping power output circuit A, said high frequency chopping power output circuit B, output voltage peak, peak value.
VD: the pipe of every group of single fluorescent lamp in being connected in series is pressed.
Its power of fluorescent lamp that is connected in series in every group of said electric light source group, pipe are pressed, operating current should be roughly the same.
The fluorescent lamp that every group of said electric light source group is connected in series is distribution, resonance phase shift, current limliting in the effect with said high frequency chopping power output circuit A, said high frequency chopping power output circuit B, should be connected in series when output is connected in parallel said current dividing circuit, resonance phase-shift circuit, current-limiting circuit, said current dividing circuit, resonance phase-shift circuit, current-limiting circuit.
The utility model adopts traditional inductance to carry out current limliting; Owing to be high frequency switch power; The frequency of its high frequency chopping power output is up to tens of kilocycles to kilocycles up to a hundred, and its current-limiting inductance is a high-frequency inductor, significantly reduces when its volume, power consumption are all than civil power 50Hz frequency under the identical situation of induction reactance; When having improved lighting quality, reach purpose of energy saving.
The energy-conservation device of lighting fluorescent lamp of a kind of two-way output of the utility model; Be to change traditional ignition device; Because traditional ignition device is directly lit a lamp through ballast or electric ballast, flow straightener with civil power 50Hz; Reduce line loss in order not influence electrical network, improve power factor mostly as much as possible, reduce reactive current.And fluorescent lamp, under the situation that light tube electric voltage is confirmed, lamp power; The electric current that flows through lamp itself is depended in the brightness of lamp just, that is to say that to flow through the big more brightness of the electric current of fluorescent tube own high more, based on this principle; The utility model has adopted said resonance phase-shift circuit; To flow through lamp tube current and increase, that is, and under the situation that does not increase the existing power of fluorescent tube:
WD＝VD×ID×COSΦ；
WD=fluorescent tube active power;
The VD=light tube electric voltage;
The ID=lamp current;
COS Φ=lamp driver power factor.
From formula, can draw, reduce COS Φ and drop at 0.5 o'clock from 0.8, ID can improve 0.3 under all constant situation of WD, VD, that is, reactive current increases by 0.3, and the brightness of lamp can improve 0.3 promptly 30% under the constant situation of power.Second effect of said resonance phase-shift circuit, circuit be, changes the phase place between the output voltage that flows through lamp tube current and said high frequency chopping power output circuit A, said high frequency chopping power output circuit B.Make and flow through the lamp current phase place difference of respectively organizing fluorescent lamp; The output current of said high frequency chopping power output circuit A, said high frequency chopping power output circuit B will reduce; Equal the also corresponding minimizing of electric current of high frequency switch power input in 0.98 o'clock in power factor; And the electric current that flows through fluorescent lamp in every group of said electric light source group is constant, thereby reach energy-conservation purpose.
Furtherly; Every group is connected in parallel on said high frequency chopping power output circuit A, said high frequency chopping power output circuit B; Said current dividing circuit in the output loop, resonance phase-shift circuit, current-limiting circuit by current-limiting inductance, start electric capacity, resonance shift capacitor, add electric capacity, current dividing circuit, said fluorescent lamp group form series resonant circuit; Its resonance frequency has nothing in common with each other; The phase place that electric current flows through every group of said fluorescent lamp group also has nothing in common with each other; Said electric light source group and other said electric light source group of every group of said current dividing circuit that is connected in series, resonance phase-shift circuit, current-limiting circuit and said fluorescent lamp composition are connected in parallel on said high frequency chopping power output circuit A, said high frequency chopping power output circuit B, and in the output loop, it is identical with the operating frequency of said high frequency chopping power output circuit A, said high frequency chopping power output circuit B to become a resonance frequency after the overall load; Because said high frequency chopping power output circuit A, said high frequency chopping power output circuit B; Phase phasic difference 180 degree of power output, the electric current that in the identical time, extracts from civil power will reduce, and is consequently guaranteeing under the constant situation of every group of said electric light source group electric current; Reduce the output current of said active filter circuit PFC and said rectifier filter circuit, thereby reached purpose of energy saving.
The energy-conservation device of lighting fluorescent lamp of a kind of two-way output of the utility model.Circuit is to utilize said active filter circuit PFC, said high frequency chopping power output circuit A, said high frequency chopping power output circuit B, and other circuit bank become a full-bridge high-frequency Switching Power Supply.Switching frequency is 30KC to 100KC, and optimal selection is 60KC, and said high frequency chopping power output circuit A, said high frequency chopping power output circuit B can light three groups or three groups of above said electric light source groups respectively simultaneously.The energy-conservation power consumption of device of lighting fluorescent lamp of a kind of two-way output own is reduced to minimum, the power supply average power consumption that efficient can reach every group of said electric light source group more than percent 90 is 1.5W, has reached the purpose of energy saving energy-saving efficiency and is more than percent 30.
The protection range of the utility model is not limited to above-mentioned instantiation mode; Basic fundamental design according to the utility model; Those of ordinary skills need not through creative work, and the execution mode that can associate all belongs to the protection range of the utility model.
Claims (6)
1. a two-way is exported the energy-conservation device of lighting fluorescent lamp; Comprise: EMC filter circuit, PFC active filter circuit, rectifier filter circuit, high frequency chopping power output circuit A, high frequency chopping power output circuit B; It is characterized in that: also comprise current dividing circuit, resonance phase-shift circuit, current-limiting circuit; Be connected in series with fluorescent lamp in said current dividing circuit, resonance phase-shift circuit, the current-limiting circuit; The mains supply input connects said EMC filter circuit; Said EMC filter circuit is exported to said PFC active filter circuit; Said PFC active filter circuit is exported to said rectifier filter circuit; The positive voltage output end of said rectifier filter circuit output is connected with the positive voltage input of said high frequency chopping power output circuit A, said high frequency chopping power output circuit B respectively jointly; The negative voltage output of said rectifier filter circuit output respectively with said high frequency chopping power output circuit A; The negative voltage input of said high frequency chopping power output circuit B is connected jointly; Said high frequency chopping power output circuit A is connected in parallel on said high frequency chopping power output circuit A more than three groups or three groups, the said current dividing circuit that is connected in series in the output loop, resonance phase-shift circuit, current-limiting circuit, fluorescent lamp group provide electric power, and said high frequency chopping power output circuit B is connected in parallel on the said current dividing circuit, resonance phase-shift circuit, current-limiting circuit, the fluorescent lamp group that are connected in series in said high frequency chopping power output circuit B, the output loop electric power is provided more than three groups or three groups.
2. the energy-conservation device of lighting fluorescent lamp of a kind of two-way output according to claim 1 is characterized in that: the alternating voltage of said high frequency chopping power output circuit A and said high frequency chopping power output circuit B output, electric current, phase angle differ 180 and spend.
3. the energy-conservation device of lighting fluorescent lamp of a kind of two-way output according to claim 1, it is characterized in that: said high frequency chopping power output circuit A is identical with the operating frequency of said high frequency chopping power output circuit B.
4. the energy-conservation device of lighting fluorescent lamp of a kind of two-way output according to claim 1 is characterized in that: said high frequency chopping power output circuit A and said high frequency chopping power output circuit B be connected in parallel on more than three groups or three groups be connected in series in the output loop said current dividing circuit, resonance phase-shift circuit, current-limiting circuit, fluorescent lamp group provide the said current dividing circuit that is connected in series, resonance phase-shift circuit, current-limiting circuit, the line principle of fluorescent lamp group, connected mode, structure, parameter, the performance of electric power identical.
5. according to the energy-conservation device of lighting fluorescent lamp of the said a kind of two-way output of claim 1; It is characterized in that: said high frequency chopping power output circuit A is connected in parallel on said current dividing circuit, resonance phase-shift circuit, the current-limiting circuit that is connected in series in the output loop more than three groups or three groups; Be in series by inductance coil, resonance shift capacitor, with said fluorescent lamp group and form; Every group of said fluorescent lamp group is connected in series by 1-4 fluorescent lamp and forms, and is connected with capacitor between one of them incoming end of every said fluorescent lamp head end and tail end.
6. according to the energy-conservation device of lighting fluorescent lamp of the said a kind of two-way output of claim 1; It is characterized in that: said high frequency chopping power output circuit B is connected in parallel on the said current dividing circuit that is connected in series in the output loop, resonance phase-shift circuit, current-limiting circuit to be in series by inductance coil, resonant capacitance, with the fluorescent lamp group and to form more than three groups or three groups; Every group of fluorescent lamp group is connected in series by 1-4 fluorescent lamp and forms, and is connected with capacitor between one of them incoming end of every said fluorescent lamp head end and tail end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202063878U CN202551475U (en) | 2011-06-20 | 2011-06-20 | A device capable of outputting and igniting fluorescent lamps in two ways and in an energy-saving manner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202063878U CN202551475U (en) | 2011-06-20 | 2011-06-20 | A device capable of outputting and igniting fluorescent lamps in two ways and in an energy-saving manner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202551475U true CN202551475U (en) | 2012-11-21 |
Family
ID=47172029
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202063878U Expired - Fee Related CN202551475U (en) | 2011-06-20 | 2011-06-20 | A device capable of outputting and igniting fluorescent lamps in two ways and in an energy-saving manner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202551475U (en) |
-
2011
- 2011-06-20 CN CN2011202063878U patent/CN202551475U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8427064B2 (en) | Electronic ballast circuit for fluorescent lamps | |
| CN101286707A (en) | LED energy saving lamp of power factor compensation type driven by constant-current | |
| CN101188897B (en) | A device for lighting electric light source via multi-channel output | |
| CN102497713A (en) | Electrodeless lamp dimming circuit and method | |
| CN203645890U (en) | LED power supply circuit capable of being compatible with traditional fluorescent lamp ballast | |
| CN202551475U (en) | A device capable of outputting and igniting fluorescent lamps in two ways and in an energy-saving manner | |
| CN201119100Y (en) | A device for lighting multiple fluorescent lamps | |
| CN201830534U (en) | Energy-saving ignition electric light source device | |
| CN201119095Y (en) | Device for lighting electric light source based on multi-channel output | |
| CN101160009A (en) | Device for illumining multiple fluorescent lamps | |
| CN102685997B (en) | High-frequency HID (High Intensity Discharge) electronic ballast with modulated power frequency | |
| CN103179769A (en) | Two-way output energy-saving device for lighting fluorescent lamp | |
| CN201204738Y (en) | Electric ballast for HID lamp without electrolytic capacitor | |
| CN201051193Y (en) | Power circuit of backlight display system | |
| CN204634142U (en) | Fluorescent lamp low-light illumination auxiliary device | |
| CN202111917U (en) | Relay-type driver of energy-saving lamp | |
| CN203151853U (en) | Stroboflash-free fluorescent lamp ballast | |
| CN103391676A (en) | Hot-starting electronic ballast of metal halide lamp | |
| CN201758479U (en) | Dual-channel different-frequency power supply circuit of gas-discharge lamp | |
| CN202444684U (en) | Metal halide lamp electronic ballast | |
| CN101600288B (en) | Electronic ballast circuit adaptable to common light adjustor to adjust light | |
| CN201690666U (en) | Electromagnetic energy-saving ballast for electrodeless lamp | |
| CN102045933A (en) | Electronic ballast of high-pressure gas discharge lamp | |
| CN201194443Y (en) | Constant power timed light regulating HID electronic ballast | |
| CN2240225Y (en) | Electronic ballast |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121121 Termination date: 20150620 |
|
| EXPY | Termination of patent right or utility model |