CN201533444U - Light-adjustable electronic ballast for LED auxiliary lighting and energy-saving lamp with ballast - Google Patents
Light-adjustable electronic ballast for LED auxiliary lighting and energy-saving lamp with ballast Download PDFInfo
- Publication number
- CN201533444U CN201533444U CN2009200624902U CN200920062490U CN201533444U CN 201533444 U CN201533444 U CN 201533444U CN 2009200624902 U CN2009200624902 U CN 2009200624902U CN 200920062490 U CN200920062490 U CN 200920062490U CN 201533444 U CN201533444 U CN 201533444U
- Authority
- CN
- China
- Prior art keywords
- circuit
- electrically connected
- resistance
- saving lamp
- light modulation
- 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
- 238000001514 detection method Methods 0.000 claims abstract description 49
- 238000012937 correction Methods 0.000 claims abstract description 31
- 238000001914 filtration Methods 0.000 claims abstract description 7
- 230000003287 optical effect Effects 0.000 claims description 40
- 230000005669 field effect Effects 0.000 claims description 22
- 238000012360 testing method Methods 0.000 claims description 16
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 13
- 239000003381 stabilizer Substances 0.000 claims description 6
- 230000005611 electricity Effects 0.000 claims description 5
- 239000003990 capacitor Substances 0.000 description 55
- 238000010586 diagram Methods 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009131 signaling function Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
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
- Y02B70/10—Technologies improving the efficiency by using switched-mode power supplies [SMPS], i.e. efficient power electronics conversion e.g. power factor correction or reduction of losses in power supplies or efficient standby modes
Landscapes
- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
The utility model discloses a LED auxiliary lighting electronic ballast that can adjust luminance, electronic ballast includes filtering rectification and power factor correction circuit, adjusts luminance phase detection circuit, can adjust luminance electricity-saving lamp drive circuit, control circuit, switching power supply circuit, LED luminescent circuit. The utility model discloses a LED auxiliary lighting electronic ballast ware of can adjusting luminance makes LED auxiliary lighting energy-saving lamp of can adjusting luminance reliable and stable, can select to close the energy-saving lamp when the low luminance and open LED for luminous efficacy is higher and extension energy-saving lamp life, and possesses lamp unusual protect function, makes the user use safe and reliable. The utility model also discloses an electricity-saving lamp that contains this LED auxiliary lighting dimmable electronic ballast. The energy-saving lamp of the utility model has the advantages that the seats and the lamp tubes of the energy-saving lamp can be replaced, thereby being environment-friendly and energy-saving.
Description
Technical field
The utility model relates to the CFL lighting technical field, relates in particular to a kind of LED floor light dimmable electronic ballast and has the electricity-saving lamp of this ballast.
Background technology
In the illumination of conventional incandescent is used, phase dimming control is because simplicity of design is reliable, cheap, characteristics such as light modulation is stable, thereby in market, be in dominant position, add that it can directly replace original mechanical switch, and need not original circuit is carried out any change, therefore extremely low to installation requirement in actual applications, thus promote easily.But along with the lifting of society to energy-saving and cost-reducing and environmental protection consciousness, it is universal day by day that electricity-saving lamp becomes.And in a lot of occasions, the user need carry out brightness regulation to electricity-saving lamp light, dimmer in the desk lamp with dimmer switch is before normally adjusted at 0V operating voltage between the 220V, the work of this lamp to resistive load (for example ordinary incandescent lamp) is not influence, but general electricity-saving lamp (comprising electric ballast) operating voltage has certain scope, such as the operating voltage of 220V electricity-saving lamp usually at 190V between the 240V, surpassing this scope electricity-saving lamp can not reliably working.So for electricity-saving lamp, the low-voltage section of 0V-190V can cause electricity-saving lamp to start difficulty even burn, dimmer originally also is not suitable for electricity-saving lamp.In order to address this problem, industry proposes various technical schemes, for example based on the dimmable electronic ballast of light modulation chip L6574, as shown in Figure 1, described dimmable electronic ballast comprises rectification circuit, resonant circuit, adjustable light modulation chip circuit and pfc circuit, the mean value of the input voltage by sampling lamp current and dimmer back, and utilize the error amplifier in the L6574 that the frequency of switch S1/S2 is adjusted after the certain ratio adjustment of process, thereby make the impedance variation of resonant circuit carry out light modulation to lamp.Utilize the electricity-saving lamp of this electric ballast can light modulation and be applicable to that original dimmer can directly replace incandescent lamp, solved the problem of preexist.But because the quiescent dissipation of the electronic devices and components of this electric ballast inside is bigger, cause that energy consumption only has a smaller part to be converted into luminous energy when low-light level, thereby make that electricity-saving lamp luminous efficiency under low-light level is lower.For example, electricity-saving lamp for 15 watts, when the brightness of 3 watts of needs (light modulation is 20% to brightness), the gross power of its consumption be not 15 watts 20%, but about 6 watts, also promptly there are 3 watts and are converted into luminous energy, but still need 3 watts of extra consumption in circuit, be converted into heat energy or other forms of energy.In addition, bigger to its influence in useful life when electricity-saving lamp is operated in low-light level, if often work under the low-light level, lamp tube service life will obviously shorten.
The utility model content
The purpose of this utility model provides a kind of dimmable electronic ballast that improves the electricity-saving lamp luminous efficiency and prolong its useful life and has the electricity-saving lamp of this electric ballast.
On the one hand, the utility model provides a kind of LED floor light dimmable electronic ballast, this electric ballast comprises filter rectification and circuit of power factor correction, the light modulation phase detecting circuit, the dimmable energy-saving lamp drive circuit, control circuit, switching power circuit, the LED illuminating circuit, the phase place output of described filter rectification and circuit of power factor correction is electrically connected with the phase place input of described light modulation phase detecting circuit, the rectification output end of described filter rectification and circuit of power factor correction is electrically connected with the input of described switching power circuit and the driving voltage end of described dimmable energy-saving lamp drive circuit respectively, the light modulation phase signal output of described light modulation phase detecting circuit is electrically connected with the light modulation phase signal input of described dimmable energy-saving lamp drive circuit and the light modulation phase signal input of control circuit respectively, the switching signal input of described dimmable energy-saving lamp drive circuit and working state signal output are electrically connected with the switching signal output and the working state signal input of described control circuit respectively, the modulating voltage detection signal output of described dimmable energy-saving lamp drive circuit is electrically connected with the modulating voltage detection signal input of the capability correction factor feedback input end of described filter rectification and circuit of power factor correction and described control circuit, the high-voltage output terminal of described switching power circuit is electrically connected with the high voltage end of described LED floor light dimmable electronic ballast and the switching signal output of described control circuit, the low-voltage output of described switching power circuit is electrically connected with the low-voltage end of described LED floor light dimmable electronic ballast, and the LED dim signal output of described control circuit is electrically connected with the dim signal input of described LED illuminating circuit.
In a kind of preferred implementation of the present utility model, described dimmable energy-saving lamp drive circuit comprises the tunable optical chip circuit, resonant circuit, low side filament testing circuit, current feedback circuit, described dimmable energy-saving lamp drive circuit comprises the tunable optical chip circuit, resonant circuit, low side filament testing circuit, current feedback circuit, the switching signal input of described tunable optical chip circuit is electrically connected with the switching signal output of described control circuit, the light modulation phase signal input of described tunable optical chip circuit is electrically connected with the light modulation phase signal output of described light modulation phase detecting circuit, the working state signal output of described tunable optical chip circuit is electrically connected with the working state signal input of described control circuit, the feedback current input of described tunable optical chip circuit is electrically connected with the feedback current output of described current feedback circuit, the low side filament detection signal input of described tunable optical chip circuit is electrically connected with the low side filament detection signal output of described low side filament testing circuit, the modulating voltage drive output of described tunable optical chip circuit drives input with the modulating voltage of described resonant circuit and is electrically connected, the feedback current output of described resonant circuit is electrically connected with the feedback current input of described current feedback circuit, the low side filament detection signal output of described resonant circuit is electrically connected with the low side filament detection signal input of described low side filament testing circuit, the modulating voltage detection signal output of described resonant circuit is electrically connected with the modulating voltage detection signal input of described control circuit and the capability correction factor feedback input end of described circuit of power factor correction respectively, and the modulating voltage of described resonant circuit drives input and is electrically connected with the rectification output end of described filter rectification and circuit of power factor correction.
On the other hand, the utility model also provides a kind of electricity-saving lamp with described LED floor light dimmable electronic ballast, comprise the electricity-saving lamp pedestal, LED floor light dimmable electronic ballast, described electricity-saving lamp pedestal is electrically connected with described LED floor light dimmable electronic ballast.
In a kind of preferred implementation of the present utility model, be connected with the electricity-saving lamp lamp socket on the electricity-saving lamp pedestal of described electricity-saving lamp, described electricity-saving lamp pedestal and described electricity-saving lamp lamp socket are threadably engaged, be connected with energy-saving lamp tube on the described electricity-saving lamp lamp socket, described electricity-saving lamp lamp socket engages by inserting mode with described energy-saving lamp tube.
Implement the technical solution of the utility model, compared with prior art have following beneficial effect: LED floor light dimmable electronic ballast of the present utility model can make electricity-saving lamp close electricity-saving lamp when low-light level and use LED, close the power consumption that does not have the circuit in original energy-saving lamp circuit behind the electricity-saving lamp, simultaneously the give out light power consumption of circuit of LED is lower, under same luminosity situation, the energy that consumes still less, thereby improve electricity-saving lamp when low-light level luminous efficiency and prolong useful life of electricity-saving lamp.
Description of drawings
Fig. 1 is the theory diagram of dimmable electronic ballast of the prior art;
Fig. 2 is the theory diagram of a specific embodiment of the utility model LED floor light dimmable electronic ballast;
Fig. 3 is the theory diagram that the dimmable energy-saving lamp drive circuit is connected with miscellaneous part among Fig. 2;
Fig. 4 is the corresponding circuit diagram of the LED floor light dimmable electronic ballast among Fig. 2;
Fig. 5 is the enlarged drawing of rectifying and wave-filtering and circuit of power factor correction among Fig. 4;
Fig. 6 is the enlarged drawing of tunable optical phase detecting circuit among Fig. 4;
Fig. 7 is the enlarged drawing of dimmable energy-saving lamp drive circuit among Fig. 4;
Fig. 8 is the enlarged drawing of switching power circuit among Fig. 4;
Fig. 9 is the enlarged drawing of LED illuminating circuit among Fig. 4;
Figure 10 is the enlarged drawing of control circuit among Fig. 4;
Figure 11 is the structural representation of a specific embodiment of the utility model electricity-saving lamp.
Embodiment
For making purpose of the present invention, technical scheme and beneficial effect clearer, the utility model is described in further detail below in conjunction with the drawings and specific embodiments.
Fig. 2 is the theory diagram of a specific embodiment of the utility model LED floor light dimmable electronic ballast.As shown in Figure 2, the LED floor light dimmable electronic ballast of present embodiment comprises filter rectification and circuit of power factor correction 1, light modulation phase-detection testing circuit 2, dimmable energy-saving lamp drive circuit 3, control circuit 4, switching power circuit 5, LED illuminating circuit 6, LED floor light dimmable electronic ballast high-pressure side 7, LED floor light dimmable electronic ballast low-pressure end 8, the voltage of wherein described in the present embodiment LED floor light dimmable electronic ballast low-pressure end 8 is 5V, and the voltage of described LED floor light dimmable electronic ballast high-pressure side 7 is 15V.
As shown in Figure 2, described filter rectification and circuit of power factor correction 1 are used for filter rectification, suppress electromagnetic interference (EMI), improve power factor, make phase-cut dimming reliable and stable, the phase place output 10 of described filter rectification and circuit of power factor correction 1 is electrically connected with the phase place input 20 of light modulation phase detecting circuit 2, is used for giving light modulation phase detecting circuit 2 with filtered signal conveys.The rectification output end 11 of described filter rectification and circuit of power factor correction 1 is electrically connected with the driving voltage end 35 of described dimmable energy-saving lamp drive circuit 3 and the input 50 of switching power circuit 5 respectively, is used to provide the direct current input.The power factor feedback input end 12 of described filter rectification and circuit of power factor correction 1 is electrically connected with the modulating voltage detection signal output 32 of described dimmable energy-saving lamp drive circuit 3, is used to receive the lamp voltage feedback signal of dimmable energy-saving lamp drive circuit 3.
As shown in Figure 4 and Figure 5, the filter rectification of the LED floor light dimmable electronic ballast of present embodiment and circuit of power factor correction 1 comprise first electric capacity～the 5th capacitor C 1～C5, the 29 capacitor C F1 and the 30 capacitor C e1, first diode～the 5th diode D1～D5, first resistance R, 1, the first inductance L 1 and second inductance L 2; Wherein, first end of capacitor C 1 is electrically connected with first end of inductance L 1, second end of inductance L 1 respectively with first end of resistance R 1, first end of capacitor C 3 and capacitor C 4, the phase place input 20 of the anodal and described light modulation phase detecting circuit 2 of diode D1 is electrically connected, second end of resistance R 1 be electrically connected with second end of capacitor C 1 by capacitor C 2, second end of capacitor C 3 is electrically connected with second end of capacitor C 4 by inductance L 2, second end of capacitor C 4 is connected with the negative electricity of diode D4, the negative pole of diode D1 and D2 is electrically connected with first end of capacitor C F1, second end of capacitor C F1 is electrically connected with the modulating voltage detection signal output 32 of described dimmable energy-saving lamp drive circuit 3, the negative pole of diode D1 and diode D2 is connected with the positive electrical of diode D5, the negative pole of diode D5 is electrically connected with the driving voltage end 35 of described dimmable energy-saving lamp 3 and the input 50 of described switching power circuit 5, the positive pole of diode D1 and diode D2 is connected with the negative electricity of diode D4 with diode D3 respectively, the plus earth of diode D3 and diode D4 is parallel with capacitor C 5 and capacitor C e1 between the negative pole of diode D5 and ground.
Form electromagnetic interface filter by capacitor C 1, capacitor C 2, capacitor C 3 and capacitor C 4 and inductance L 1 and inductance L 2, resistance R 1, suppress electromagnetic interference EMI; Diode D1～D5 and capacitor C 5 and capacitor C e1 form rectifier bridge, and L, N are ac input end.Form high-frequency pump type PPFC circuit by capacitor C F1, diode D5, capacitor C 5, capacitor C e1, wherein capacitor C F1 one end is electrically connected with the modulating voltage detection signal output 3113 of described resonant circuit 311, be used to receive the lamp voltage feedback signal of dimmable energy-saving lamp drive circuit 3, the PPFC circuit makes phase-cut dimming reliable and stable when improving power factor.
As Fig. 4 and shown in Figure 6, the light modulation phase detecting circuit 2 of the LED floor light dimmable electronic ballast of present embodiment is by the 6th diode D6, second resistance R 2, the 3rd resistance R 3, the 6th capacitor C 6, voltage-stabiliser tube Z1, the 4th resistance R 4, the 5th resistance R 5, the 7th capacitor C 7, the 6th resistance R 6, the 8th capacitor C 8, the 7th resistance R 7, the 8th resistance R 8, the multistage RC low pass filter that the 9th capacitor C 9 is formed, wherein, diode D6 is anodal to be electrically connected with the phase place output 10 (being second end of inductance L 1) of described filter rectification and circuit of power factor correction 1, negative pole is electrically connected with first end of resistance R 2, second end of resistance R 2 is electrically connected with first end of resistance R 4, second end of resistance R 4 is electrically connected with first end of resistance R 6, second end of resistance R 6 is electrically connected with first end of resistance R 7, second end of resistance R 7 is electrically connected respectively with the light modulation phase signal input 31 of described dimmable energy-saving lamp drive circuit 3 and the light modulation phase signal input 41 of described control circuit 4, parallel connection is connected with resistance R 3 and capacitor C 6 between second end of resistance R 2 and ground, between second end of resistance R 4 and ground, be parallel with resistance R 5 and capacitor C 7, between second end of resistance R 6 and ground, be connected with capacitor C 8, between second end of resistance R 7 and ground, be parallel with resistance R 8 and capacitor C 9.Described in another embodiment light modulation phase detecting circuit 2 also comprises the voltage-stabiliser tube Z1 that is connected between described resistance R 2 second ends and described resistance R 4 first ends, the negative pole of described voltage-stabiliser tube is electrically connected with second end of described resistance R 2, the effect of voltage-stabiliser tube Z1 is to prevent that electricity-saving lamp from working crossing under the low-voltage, thus damaged line when avoiding work.
As shown in Figure 2, the described light modulation phase detecting circuit 2 that is used to control light modulation is being converted to direct current signal by the AC signal behind the dimmer, and is transferred to the light modulation phase signal input 31 of described dimmable energy-saving lamp drive circuit 3 and the light modulation phase signal input 41 of described control circuit 4 respectively from light modulation phase signal output 21.
As shown in Figure 2, described dimmable energy-saving lamp drive circuit 3 be used to control the electricity-saving lamp light modulation and guarantee electricity-saving lamp and circuit safety reliable.The modulating voltage detection signal output 32 of described dimmable energy-saving lamp drive circuit 3 is electrically connected with the modulating voltage detection signal input 42 of described control circuit 4, be used for lamp voltage signal is transferred to control circuit 4, control circuit 4 judges according to lamp voltage signal whether electricity-saving lamp work is normal, if electricity-saving lamp is not an operate as normal, control circuit then cuts out electricity-saving lamp.The working state signal output 33 of described dimmable energy-saving lamp drive circuit 3 is electrically connected with the working state signal input 43 of described control circuit 4, be used for the work state information of light modulation chip L6574 is transferred to control circuit 4, control circuit 4 can carry out judgment processing according to the operating state of light modulation chip L6574.The switching signal input 34 of described dimmable energy-saving lamp drive circuit 3 is electrically connected with the switching signal output 44 of described control circuit 4, and control circuit 4 is judged according to the signal of collecting and controlled whether conducting or disconnection by the switch inside circuit.
As shown in Figure 3, the dimmable energy-saving lamp drive circuit 3 of the LED floor light dimmable electronic ballast of present embodiment comprises tunable optical chip circuit 310, resonant circuit 311, current feedback circuit 312, low side filament testing circuit 313.
As Fig. 4 and shown in Figure 7, described current feedback circuit 312 comprises the 9th diode D9 and the tenth diode D10, the 28 capacitor C 28, the 21 resistance R 21 and the 22 R22, wherein, the plus earth of diode D9, the negative pole of diode D9 is connected with the feedback current output 3111 of described resonant circuit 311 and the positive electrical of diode D10 respectively, the negative pole of diode D10 is connected with first end of resistance R 21, second end of resistance R 21 is electrically connected with the feedback current input 3101 of described tunable optical chip circuit 310, is parallel with resistance R 22 and capacitor C 28 between the negative pole of diode D10 and ground.
As shown in Figure 3, the feedback current input 3120 of described current feedback circuit 312 is electrically connected with the feedback current output 3111 of described resonant circuit 311, be used to receive the feedback current signal, and the feedback current signal is transferred to the feedback current input 3101 of described tunable optical chip circuit by feedback current output 3121, be used to control light modulation.
As Fig. 4 and shown in Figure 7, described low side filament testing circuit 313 comprises the 17 resistance～the 20 resistance R 17～R20, the 8th diode D8, the 17 capacitor C 17, wherein, first end of resistance R 18 is electrically connected with the low side filament detection signal output 3112 of described resonant circuit 311, second end of resistance R 18 is connected with the negative electricity of diode D8, the positive pole of diode D8 is electrically connected with the low-voltage output of described switching power circuit by resistance R 17, shunt capacitance C17 and resistance R 20 between the positive pole of diode D8 and ground, the positive pole of diode D8 is electrically connected with the low side filament detection signal input 3131 of described tunable optical chip circuit 310, first end of resistance R 19 is connected with the positive electrical of diode D8, and second end of resistance 19 is electrically connected with first end of resistance R 18.
As shown in Figure 3, the low side filament detection signal input 3130 of described low side filament testing circuit 313 is electrically connected with the low side filament detection signal output 3112 of described resonant circuit, be used to receive low side filament detection signal, and described detection signal is transferred to the low side filament detection signal input 3102 of described tunable optical chip circuit by low side filament detection signal output 3131, make described tunable optical chip circuit to determine whether lamp holder exists and operate as normal and carry out brightness adjustment control according to detected signal.
As Fig. 4 and shown in Figure 7, described resonant circuit 311 comprises the first field-effect transistor Q1 and the second field-effect transistor Q2, the 31 capacitor C DC1, the 32 capacitor C r1, the 15 capacitor C 15 and the 16 capacitor C 16, primary coil L3, first secondary coil, the second subprime coil, the first and second high-end filaments, the first and second low side filaments, wherein, the drain electrode of field-effect transistor Q1 is electrically connected with the rectification output end (being the negative pole of diode D5) of described rectifying and wave-filtering and circuit of power factor correction 1, the grid of field-effect transistor Q1 is electrically connected with the high-side driver output of described tunable optical chip circuit 310, the source electrode of field-effect transistor Q1 respectively with the drain electrode of field-effect transistor Q2, first end of primary coil L3 and the high-side driver reference edge of described resonant circuit 311 are electrically connected, the source ground of field-effect transistor Q2, the grid of field-effect transistor Q2 is electrically connected with the low side drive output of described tunable optical chip circuit 310, second end of primary coil L3 is electrically connected with first end of capacitor C DC1, second end of capacitor C DC1 is by capacitor C r1 ground connection, the first high-end filament respectively with second end of capacitor C DC1, the modulating voltage detection signal input 42 of described control circuit 4, the first high-end filament incoming end of the power factor feedback input end of described rectifying and wave-filtering circuit of power factor correction 1 (being second end of capacitor C F1) and first primary coil is electrically connected, the second high-end filament is electrically connected with the second high-end filament incoming end of first primary coil by capacitor C 15, the first low side filament is electrically connected with the negative pole of the diode D9 of described current feedback circuit 312 and the first low side filament incoming end of second primary coil, the second low side filament is electrically connected with the second low side filament of described second primary coil by capacitor C 16, and the second low side filament is electrically connected with first end of the resistance R 18 of described low side filament testing circuit 313.
As shown in Figure 3, the modulating voltage of described resonant circuit 311 drives input 3110 and is electrically connected with the modulating voltage drive output 3100 of described tunable optical chip circuit 310 and the rectification output end of described rectifying and wave-filtering and circuit of power factor correction 1 (being the negative pole of diode D5) respectively, be used to receive driving voltage, drive electricity-saving lamp.Described feedback current output 3111 is used for to described current feedback circuit 312 output feedback current signals, described low side filament detection signal output 3112 is to low side filament testing circuit 313 output low side filament detection signals, described modulating voltage detection signal output 3113 is used for to described PPFC circuit output feedback voltage signal, be used to improve power factor, make phase-cut dimming reliable and stable; Described low side filament detection signal output 3112 is to described control circuit 4 output feedback voltage signals, and control circuit 4 determines according to described feedback signal whether electricity-saving lamp is normal, if undesired then close electricity-saving lamp.
As Fig. 4 and shown in Figure 7, described tunable optical chip circuit 310 comprises light modulation chip L6574, the 9th resistance～the 16 resistance R 9～R16, the tenth electric capacity～the 14 capacitor C 10～C14, the 33 capacitor C B, the 7th diode D7, wherein the power voltage terminal Vs pin of light modulation chip L6574 is electrically connected with the switching signal input 44 of described control circuit 4, the high-side driver output HVG pin of light modulation chip L6574 is electrically connected with the grid of 311 field-effect transistor Q1 of described resonant circuit by resistance R 15, the high-side driver reference edge OUT pin of light modulation chip L6574 is electrically connected with the source electrode of the field-effect transistor Q1 of described resonant circuit 311, the low side drive output LVG pin of light modulation chip L6574 is electrically connected with the grid of the field-effect transistor Q2 of described resonant circuit 311 by resistance R 16, the low side drive output LVG pin of light modulation chip L6574 is electrically connected with the working state signal input 43 of described control circuit 4, the first light modulation phase signal input RPRE pin of light modulation chip L6574 and and second light modulation phase signal input OP+ pin be electrically connected with the light modulation phase signal output (being second end of resistance R 7) of described light modulation phase detecting circuit 2 by resistance R 10 and R11 respectively.
Resistance R 10 and R11 carry out brightness adjustment control by 2 pairs of electricity-saving lamps of light modulation phase detecting circuit.
The dimmable energy-saving lamp drive circuit 3 of present embodiment has adopted light modulation chip L6574, makes omnidistance light modulation flicker free, but described dimmable energy-saving lamp drive circuit 3 has the lamp abnormity protection function simultaneously, makes the user use safety and reliability.
As shown in Figure 3, the light modulation phase signal input 31 of described tunable optical chip circuit 310 receives the light modulation phase signal from the light modulation phase signal output 21 of described light modulation phase detecting circuit 2, is used for the brightness adjustment control of electricity-saving lamp; Described working state signal output 3 is to the working state signal of the working state signal input 43 input tunable optical chip circuits 310 of control circuit 4, control circuit 4 determines according to described working state signal whether described tunable optical chip circuit 310 is normal, if undesired then close described tunable optical chip circuit 310; Described modulating voltage drive output 3100 is used for driving input 3110 input driving voltages to the modulating voltage of described resonant circuit 311, is used to drive electricity-saving lamp; The feedback current input 3101 of described tunable optical chip circuit 310 receives the feedback current signal from the feedback current output 3121 of described current feedback circuit 312, be used to control light modulation, when electricity-saving lamp brightness is lower than 20%, tunable optical chip circuit 310 will be closed electricity-saving lamp in the present embodiment.Described low side filament detection signal input 3102 receives the low side filament detection signal of the low side filament detection signal output output of described low side filament testing circuit 313, and determine whether lamp holder exists and normally according to described low side filament detection signal, in the present embodiment, when the low side filament damages or fluorescent tube when not inserting, signal (LFila) is Gao Ping, to not open electricity-saving lamp this moment, to avoid damaged line.
As Fig. 4 and shown in Figure 10, control circuit 4 is made up of control chip PICI2F508, comparator U2A and subsidiary component, is used to control the operating state of electricity-saving lamp, LED.Wherein, the collector electrode of triode Q5 is electrically connected with the switching signal input 34 (being the Vs pin of light modulation chip L6574) of described tunable optical energy saving driving circuit 3, the emitter of triode Q5 is electrically connected with the high-voltage output end 51 of described switching power circuit 5 by resistance R 27, the base stage of triode Q5 is electrically connected by the high-voltage output end 51 of resistance R 28 with the described power circuit 5 that opens the light, the base stage of triode Q5 is electrically connected with the collector electrode of triode Q6 by resistance R 29, the grounded emitter of triode Q6, the base stage of triode Q6 is electrically connected with the GP5 pin of control chip PIC12F508 by resistance R 31, the first end ground connection of resistance R 30, second end is electrically connected with the base stage of triode Q6, the GP2 pin of control chip is electrically connected with the output of comparator U2A by resistance R 35, capacitor C 27 first end ground connection, second end is electrically connected with the GP2 pin of control chip PIC12F508, comparator U2A+input is electrically connected with the light modulation phase signal output 21 (being second end of resistance R 7) of described light modulation phase detecting circuit 2 by resistance R 34, capacitor C 24 first end ground connection, the connection of second end is electrically connected with the electrode input end of comparator U2A, the negative input of comparator U2A is by resistance R 33 ground connection, the negative input of comparator U2A is electrically connected with the low-voltage output 52 of described switching power circuit 5 by resistance R 32, the pin GP0 of control chip PIC12F508 is electrically connected with described dim signal output 45, the GP4 pin of control chip PIC12F508 passes through by resistance R 36～R40 and capacitor C 22, the lamp voltage detection circuit that capacitor C 23 is formed is electrically connected with described modulating voltage detection signal input 42, the GP3 pin of control chip PIC12F508 is electrically connected with working state signal input 43 by resistance R 41, capacitor C 25 that is connected in parallel and first end of resistance R 42 are electrically connected with the GP4 pin of control chip PIC12F508, the second end ground connection, the VDD pin of control chip PIC12F508 is electrically connected by capacitor C 26 with the Vss pin, the VDD pin of control chip PIC12F508 is electrically connected with the high-voltage output end 51 of described switching power circuit 5, the Vss pin ground connection of control chip PIC12F508.
Described control circuit 4 is used to control the operating state of electricity-saving lamp and LED, as shown in Figure 2, the switching signal output 44 of described control circuit 4 is electrically connected with the high-voltage output terminal of described switching power circuit 5, when the switching circuit conducting in the control circuit 4, high-voltage output terminal is communicated to the switching signal input 34 (being the Vs pin of light modulation chip L6574) of described dimmable energy-saving lamp drive circuit 3 to its power supply by switching circuit, in the present embodiment, the voltage of described high-voltage output terminal is 15V.The light modulation phase signal input 41 of described control circuit 4 receives the light modulation phase signal from described light modulation phase detecting circuit 2, and opens or closes electricity-saving lamp according to described signal; The working state signal input 43 of described control circuit 4 receives described working state signal from described tunable optical chip circuit 310, and according to described working state signal, opens or closes described tunable optical chip circuit; The dim signal output 45 of described control circuit 4 is electrically connected with the dim signal input of described LED illuminating circuit 6, and dim signal output 45 is controlled the LED light modulation by pulse width modulation (PWM) mode.The modulating voltage detection signal input 42 of described control circuit 4 is from the voltage detection signals such as modulating voltage detection signal output 3113 receptions of described resonant circuit, and determines according to described signal whether fluorescent tube is normal, if undesired then close electricity-saving lamp.Can change when in the present embodiment, VLamp is with respect to operate as normal when lamp tube service life end or the high-end filament damage of fluorescent tube (or not inserting).Control circuit is judged whether operate as normal of lamp by detecting VLamp, if undesired, then closes electricity-saving lamp immediately, and turns on the LED lamp.In the present embodiment, the variation of VLamp is as follows: 2.0V＜VLamp＜2.5V, and expression electricity-saving lamp operating state is normal; VLamp＜2.0V or VLamp＞2.5V represent that work is undesired, need close electricity-saving lamp.
The concrete control logic of described control circuit 4 is as follows:
| Signal | Function declaration | Attribute | Remarks |
| DIM_THD | Brightness adjustment control detects | Input 1: expression should be opened electricity-saving lamp, closes LED.0: table is to close electricity-saving lamp, opens LED. | This thresholding has DIM to pass through comparator U2A realization. |
| LVD_DT | The L6574 operating state detects | Input.1: work; 0: stop. | |
| LFila | The low side filament detects | Input.1: normal; 0: undesired. | |
| VLamp | Modulating voltage detects | Input.VL＜VLamp＜VH: normal.VLamp＜V or VLamp＞VL: undesired. | VL and VH analog signal, parameter and lamp holder relating to parameters. |
| VL6574 | The control of electricity-saving lamp switch | Control L6574.1: open; 0: close. |
| Signal | Function declaration | Attribute | Remarks |
| PWM | The LED brightness adjustment control | Control LED light modulation, numeral output. |
The state of a control explanation: after powering on, at first open LED, at this moment regulate dimmer, if the DIM_THD state is " 1 ", the expression light modulation has needed to open fluorescent lamp, and at this moment LED continued bright 2 seconds, and fluorescent lamp can be opened in these two seconds.After fluorescent lamp is opened, just enter the fluorescent lamp open mode, regulate dimmer, just can carry out light modulation fluorescent lamp.The fluorescent lamp operation state is: when entering the lamp open mode, continue to regulate dimmer, when the DIM_THD state is " 0 ", represent that light modulation has needed to open LED, at this moment fluorescent lamp continued bright 2 seconds, and fluorescent lamp can be opened LED in these two seconds.After LED opens, just enter the LED open mode, continue to regulate dimmer, LED is carried out light modulation by PWM.Work as LVD_DT, LFila, the VLamp signal occurs unusual, then can close fluorescent lamp at once, and directly enter the LED open mode.Wherein the switching of LED light modulation and the adjusting brightness of fluorescent lamp time that replaces not only is 2 seconds, and the duration can be set chip by program, and in other embodiments, the duration can be more than 1 second or 2 seconds.
As Fig. 4 and shown in Figure 8, the switching power circuit 5 of the LED floor light dimmable electronic ballast of present embodiment is made up of transformer T1, triode Q3, triode Q4 and subsidiary component, be used to whole circuit that working power is provided, adopt Switching Power Supply to provide power supply for circuit, make efficient higher, quiescent dissipation is less than 0.5W in the present embodiment.
Described switching power circuit 5 is used to entire circuit that a working power is provided, the high-voltage output terminal 51 of described switching power circuit 5 is electrically connected with the high voltage end 7 of described LED floor light dimmable electronic ballast, the low-voltage output 52 of described switching power circuit 5 is electrically connected with the low-voltage end 8 of described LED floor light dimmable electronic ballast, in the present embodiment, wherein, the low-voltage output 52 of described switching power circuit 5 is the output of 5V for output voltage, and the output voltage of the high-voltage output terminal 52 of described switching power circuit 5 is 15V.
As Fig. 4 and shown in Figure 9, the LED illuminating circuit 6 of the LED floor light dimmable electronic ballast of present embodiment is made up of U2B, the 7th triode Q7, the 43 resistance R the 43, the 44 resistance R the 44, the 45 resistance R the 45, the 46 resistance R the 46, the 47 resistance R 47 and the emitting led of 4 series connection, wherein resistance R 47 is a current feedback resistance, is used for constant current control.Resistance R 43 and R44 are used to control the LED light modulation by the in-phase end of MCU control U2B.Light-dimming method is to use PWM control, when duty ratio is big more LED brightness big more, LED closes when duty ratio is 0; The cycle of PWM is 200HZ.
As shown in figure 11, electricity-saving lamp of the present utility model comprises plug 9, LED floor light dimmable electronic ballast 10, electricity-saving lamp pedestal 11, described plug 9 is electrically connected with described LED floor light dimmable electronic ballast 10, and described electricity-saving lamp pedestal 11 is electrically connected with LED floor light dimmable electronic ballast.Be connected with electricity-saving lamp lamp socket 12 on the described electricity-saving lamp pedestal 11, described electricity-saving lamp pedestal 11 is threadably engaged with described electricity-saving lamp lamp socket 12, be connected with energy-saving lamp tube 13 on the described electricity-saving lamp lamp socket 12, described electricity-saving lamp lamp socket 12 and described energy-saving lamp tube 13 engage by inserting mode.Wherein energy-saving lampholder described in the present embodiment 12 adopts the G24q-4 lamp socket, described energy-saving lamp tube 13 is the G24q-4 fluorescent tube, certain described electricity-saving lamp lamp socket and energy-saving lamp tube are not limited thereto, also can use in other embodiments models such as G24X, G23X, G23 etc. lamp socket and fluorescent tube.
The dimmable energy-saving lamp of present embodiment is applicable to direct replacement incandescent lamp, uses with incandescent lamp just the same.Because energy-saving lamp tube 13, electricity-saving lamp lamp socket 12, electricity-saving lamp pedestal 11 all can be disconnected from each other, so work as 13 life-spans of fluorescent tube at the end, the user only need change fluorescent tube 13, thereby improved in the life-span of entire product greatly, electricity-saving lamp no longer is cheap disposable products simultaneously, not only environmental protection but also energy-conservation, and saved spending for the user
Above disclosed only is the utility model preferred embodiment, can not limit the interest field of the utility model certainly with this, and therefore the equivalent variations of being done according to the utility model claim still belongs to the scope that the utility model is contained.
Claims (10)
1. LED floor light dimmable electronic ballast, it is characterized in that: described dimmable electronic ballast comprises filter rectification and circuit of power factor correction, the light modulation phase detecting circuit, the dimmable energy-saving lamp drive circuit, control circuit, switching power circuit, the LED illuminating circuit, the phase place output of described filter rectification and circuit of power factor correction is electrically connected with the phase place input of described light modulation phase detecting circuit, the rectification output end of described filter rectification and circuit of power factor correction is electrically connected with the input of described switching power circuit and the driving voltage end of described dimmable energy-saving lamp drive circuit respectively, the modulating voltage detection signal output of the capability correction factor feedback input end of described filter rectification and circuit of power factor correction and described dimmable energy-saving lamp drive circuit, the light modulation phase signal output of described light modulation phase detecting circuit is electrically connected with the light modulation phase signal input of described dimmable energy-saving lamp drive circuit and the light modulation phase signal input of control circuit respectively, the switching signal input of described dimmable energy-saving lamp drive circuit and working state signal output are electrically connected with the switching signal output and the working state signal input of described control circuit respectively, the modulating voltage detection signal output of described dimmable energy-saving lamp drive circuit is electrically connected with the modulating voltage detection signal input of described control circuit, the high-voltage output terminal of described switching power circuit is electrically connected with the high voltage end of described LED floor light dimmable electronic ballast and the switching signal output of described control circuit, the low-voltage output of described switching power circuit is electrically connected with the low-voltage end of described LED floor light dimmable electronic ballast, and the LED dim signal output of described control circuit is electrically connected with the dim signal input of described LED illuminating circuit.
2. LED floor light dimmable electronic ballast as claimed in claim 1, it is characterized in that: described dimmable energy-saving lamp drive circuit comprises the tunable optical chip circuit, resonant circuit, low side filament testing circuit, current feedback circuit, the switching signal input of described tunable optical chip circuit is electrically connected with the switching signal output of described control circuit, the light modulation phase signal input of described tunable optical chip circuit is electrically connected with the light modulation phase signal output of described light modulation phase detecting circuit, the working state signal output of described tunable optical chip circuit is electrically connected with the working state signal input of described control circuit, the feedback current input of described tunable optical chip circuit is electrically connected with the feedback current output of described current feedback circuit, the low side filament detection signal input of described tunable optical chip circuit is electrically connected with the low side filament detection signal output of described low side filament testing circuit, the modulating voltage drive output of described tunable optical chip circuit drives input with the modulating voltage of described resonant circuit and is electrically connected, the feedback current output of described resonant circuit is electrically connected with the feedback current input of described current feedback circuit, the low side filament detection signal output of described resonant circuit is electrically connected with the low side filament detection signal input of described low side filament testing circuit, the modulating voltage detection signal output of described resonant circuit is electrically connected with the modulating voltage detection signal input of described control circuit and the capability correction factor feedback input end of described circuit of power factor correction respectively, and the modulating voltage of described resonant circuit drives input and is electrically connected with the rectification output end of described filter rectification and circuit of power factor correction.
3. LED floor light dimmable electronic ballast as claimed in claim 1 or 2, it is characterized in that: described light modulation phase detecting circuit comprises the 6th diode (D6), second resistance～the 8th resistance (R2～R8), the 6th electric capacity～the 9th electric capacity (C6～C9), the 6th diode (D6) is anodal to be electrically connected with the phase place output of described filter rectification and circuit of power factor correction, the 6th diode cathode is electrically connected with first end of second resistance (R2), second end of second resistance (R2) is connected with the negative electricity of voltage-stabiliser tube (Z1), the positive pole of voltage-stabiliser tube (Z1) is electrically connected with first end of the 4th resistance (R4), second end of the 4th resistance (R4) is electrically connected with first end of the 6th resistance (R6), second end of the 6th resistance (R6) is electrically connected with first end of the 7th resistance (R7), second end of the 7th resistance (R7) is electrically connected with the light modulation phase signal input of described dimmable energy-saving lamp drive circuit and the light modulation phase signal input of described control circuit respectively, parallel connection is connected with the 3rd resistance (R3) and the 6th electric capacity (C6) between second end of second resistance (R2) and ground, between second end of the 4th resistance (R4) and ground, be parallel with the 5th resistance (R5) and the 7th electric capacity (C7), between second end of the 6th resistance (R6) and ground, be connected with the 8th electric capacity (C8), between second end of the 7th resistance (R7) and ground, be parallel with the 8th resistance (R8) and the 9th electric capacity (C9).
4. LED floor light dimmable electronic ballast as claimed in claim 2, it is characterized in that: described current feedback circuit comprises the 9th diode (D9) and the tenth utmost point pipe (D10), the 28 electric capacity (C28), the 21 resistance (R21) and the 22 resistance (R22), wherein, the plus earth of the 9th diode (D9), the negative pole of the 9th diode (D9) is connected with the feedback current output of described resonant circuit and the positive electrical of the tenth diode (D10) respectively, the negative pole of the tenth diode (D10) is connected with first end of the 21 resistance (R21), second end of the 21 resistance (R21) is electrically connected with the feedback current input of described tunable optical chip circuit, is parallel with the 22 resistance (R22) and the 28 electric capacity (C28) between the negative pole of the tenth diode (D10) and ground.
5. LED floor light dimmable electronic ballast as claimed in claim 4, it is characterized in that: described low side filament testing circuit comprises the 17 resistance～the 20 resistance (R17～R20), the 8th diode (D8), the 17 electric capacity (C17), wherein, first end of the 18 resistance (R18) is electrically connected with the low side filament detection signal output of described resonant circuit, second end of the 18 resistance is connected with the negative electricity of the 8th diode (D8), the positive pole of the 8th diode (D8) is electrically connected with the low-voltage output of described switching power circuit by the 17 resistance (R17), the 17 electric capacity (C17) in parallel and the 20 resistance (R20) between the positive pole of the 8th diode (D8) and ground, the positive pole of the 8th diode (D8) is electrically connected with the low side filament detection signal input of described tunable optical chip circuit, first end of the 19 resistance (R19) is connected with the positive electrical of the 8th diode (D8), and second end of the 19 resistance (19) is electrically connected with first end of the 18 resistance (R18).
6. LED floor light dimmable electronic ballast as claimed in claim 5, it is characterized in that: described resonant circuit comprises first field-effect transistor (Q1) and second field-effect transistor (Q2), the 15 electric capacity (C15), the 16 electric capacity (C16), the 31 electric capacity (CDC1) and the 32 electric capacity (Cr1), primary coil (L3), first secondary coil, the second subprime coil, the first high-end filament and the second high-end filament, the first low side filament and the second low side filament, wherein, the drain electrode of first field-effect transistor (Q1) is electrically connected with the rectification output end of described rectifying and wave-filtering and circuit of power factor correction, the grid of first field-effect transistor (Q1) is electrically connected with the high-side driver output of described tunable optical chip circuit, the source electrode of first field-effect transistor (Q1) respectively with the drain electrode of second field-effect transistor (Q2), first end of primary coil (L3) and the high-side driver reference edge of described resonant circuit are electrically connected, the source ground of second field-effect transistor (Q2), the grid of second field-effect transistor (Q2) is electrically connected with the low side drive output of described tunable optical chip circuit, second end of primary coil (L3) is electrically connected with first end of the 31 electric capacity (CDC1), second end of the 31 electric capacity (CDC1) is by the 32 electric capacity (Cr1) ground connection, the first high-end filament respectively with second end of the 31 electric capacity (CDC1), the modulating voltage detection signal input of described control circuit, the first high-end filament incoming end of the power factor feedback input end of described rectifying and wave-filtering circuit of power factor correction and first primary coil is electrically connected, the second high-end filament is electrically connected with the second high-end filament incoming end of first primary coil by the 15 electric capacity (C15), the first low side filament is electrically connected with the negative pole of the 9th diode (D9) of described current feedback circuit and the first low side filament incoming end of second primary coil, the second low side filament is electrically connected with the second low side filament of described second primary coil by the 16 electric capacity (C16), and the second low side filament is electrically connected with first end of the 18 resistance (R18) of described low side filament testing circuit.
7. LED floor light dimmable electronic ballast as claimed in claim 6, it is characterized in that: described tunable optical chip circuit comprises light modulation chip (L6574), the 9th resistance～the 16 resistance (R9～R16), the tenth electric capacity～the 14 electric capacity (C10～C14), the 33 electric capacity (CB), the 7th diode (D7), wherein the power voltage terminal (Vs) of light modulation chip (L6574) is electrically connected with the switching signal input of described control circuit, the high-side driver output (HVG) of light modulation chip (L6574) is electrically connected with the grid of first field-effect transistor (Q1) of described resonant circuit by the 15 resistance (R15), the high-side driver reference edge (OUT) of light modulation chip (L6574) is electrically connected with the source electrode of first field-effect transistor (Q1) of described resonant circuit, the low side drive output (LVG) of light modulation chip (L6574) is electrically connected with the grid of second field-effect transistor (Q2) of described resonant circuit by the 16 resistance (R16), low side drive output (LVG) pin of light modulation chip (L6574) is electrically connected with the working state signal input of described control circuit, and the first light modulation phase signal input (RPRE) of light modulation chip (L6574) and the second light modulation phase signal input (OP+) are electrically connected with second end of the 7th resistance (R7) of described light modulation phase detecting circuit by the tenth resistance (R10) and the 11 resistance (R11) respectively.
8. LED floor light dimmable electronic ballast as claimed in claim 1 or 2 is characterized in that: described LED illuminating circuit comprise led drive circuit and drive by described led drive circuit at least one is emitting led.
9. an electricity-saving lamp comprises the electricity-saving lamp pedestal, it is characterized in that: also comprise claim 1 or 2 described LED floor light dimmable electronic ballasts, described electricity-saving lamp pedestal is electrically connected with described LED floor light dimmable electronic ballast.
10. electricity-saving lamp as claimed in claim 9, it is characterized in that: be connected with the electricity-saving lamp lamp socket on the described electricity-saving lamp pedestal, described electricity-saving lamp lamp socket and described electricity-saving lamp pedestal are threadably engaged, be connected with energy-saving lamp tube on the described electricity-saving lamp lamp socket, described energy-saving lamp tube engages by inserting mode with described electricity-saving lamp lamp socket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200624902U CN201533444U (en) | 2009-08-18 | 2009-08-18 | Light-adjustable electronic ballast for LED auxiliary lighting and energy-saving lamp with ballast |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200624902U CN201533444U (en) | 2009-08-18 | 2009-08-18 | Light-adjustable electronic ballast for LED auxiliary lighting and energy-saving lamp with ballast |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201533444U true CN201533444U (en) | 2010-07-21 |
Family
ID=42528842
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200624902U Expired - Fee Related CN201533444U (en) | 2009-08-18 | 2009-08-18 | Light-adjustable electronic ballast for LED auxiliary lighting and energy-saving lamp with ballast |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201533444U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103857109A (en) * | 2012-11-30 | 2014-06-11 | 深圳市海洋王照明工程有限公司 | Constant-current voltage-stabilizing drive circuit and light fixture |
| CN103869160A (en) * | 2012-12-15 | 2014-06-18 | 林万炯 | Phase detection circuit suitable for single-phase flyback front and back phase cutting dimming power supply |
| CN103874272A (en) * | 2012-12-15 | 2014-06-18 | 林万炯 | LED (light-emitting diode) dimming power supply |
| CN104244543A (en) * | 2014-09-17 | 2014-12-24 | 安徽亮亮电子科技有限公司 | Light adjusting and illuminating system based on electronic ballast controller |
| CN105101564A (en) * | 2015-08-28 | 2015-11-25 | 浙江晨辉光宝科技有限公司 | An Adaptive Lamp Driver |
| CN105188221A (en) * | 2015-09-15 | 2015-12-23 | 欧普照明股份有限公司 | LED drive circuit |
| CN111225473A (en) * | 2020-03-13 | 2020-06-02 | 东莞市灿光电子科技有限公司 | A ballast-based dimming switch circuit and dimming method |
| CN111405733A (en) * | 2020-03-26 | 2020-07-10 | 杭州涂鸦信息技术有限公司 | Intelligent light and color temperature adjusting circuit |
| CN112186885A (en) * | 2020-10-16 | 2021-01-05 | 珠海格力电器股份有限公司 | Power supply switching hardware circuit, power supply circuit and electronic equipment |
-
2009
- 2009-08-18 CN CN2009200624902U patent/CN201533444U/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103857109A (en) * | 2012-11-30 | 2014-06-11 | 深圳市海洋王照明工程有限公司 | Constant-current voltage-stabilizing drive circuit and light fixture |
| CN103857109B (en) * | 2012-11-30 | 2016-06-29 | 深圳市海洋王照明工程有限公司 | A kind of constant-current voltage-stabilizing drive circuit and light fixture |
| CN103869160A (en) * | 2012-12-15 | 2014-06-18 | 林万炯 | Phase detection circuit suitable for single-phase flyback front and back phase cutting dimming power supply |
| CN103874272A (en) * | 2012-12-15 | 2014-06-18 | 林万炯 | LED (light-emitting diode) dimming power supply |
| CN103869160B (en) * | 2012-12-15 | 2017-08-11 | 赛尔富电子有限公司 | A kind of phase detecting circuit suitable for phase-cut dimming power supply before and after single-stage flyback |
| CN104244543A (en) * | 2014-09-17 | 2014-12-24 | 安徽亮亮电子科技有限公司 | Light adjusting and illuminating system based on electronic ballast controller |
| CN105101564A (en) * | 2015-08-28 | 2015-11-25 | 浙江晨辉光宝科技有限公司 | An Adaptive Lamp Driver |
| CN105101564B (en) * | 2015-08-28 | 2019-03-19 | 晨辉光宝科技有限公司 | A kind of adaptive lamp tube driver |
| CN105188221A (en) * | 2015-09-15 | 2015-12-23 | 欧普照明股份有限公司 | LED drive circuit |
| CN111225473A (en) * | 2020-03-13 | 2020-06-02 | 东莞市灿光电子科技有限公司 | A ballast-based dimming switch circuit and dimming method |
| CN111405733A (en) * | 2020-03-26 | 2020-07-10 | 杭州涂鸦信息技术有限公司 | Intelligent light and color temperature adjusting circuit |
| CN112186885A (en) * | 2020-10-16 | 2021-01-05 | 珠海格力电器股份有限公司 | Power supply switching hardware circuit, power supply circuit and electronic equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201533444U (en) | Light-adjustable electronic ballast for LED auxiliary lighting and energy-saving lamp with ballast | |
| CN101702863B (en) | Frequency-modulation electronic ballast for dimmable fluorescent lamp | |
| CN103220871A (en) | HID (High Intensity Discharge) xenon lamp electronic ballast with soft switching mode and low-frequency square wave driving | |
| CN101980587A (en) | Electronic Ballast for Cold Cathode Fluorescent Lamp and Its Output Current Regulation Method | |
| CN107087324A (en) | A kind of High Power Factor phase-cut dimming power supply | |
| CN101841955A (en) | General illumination LED drive circuit | |
| CN103108457B (en) | High-frequency driver of light-emitting diode (LED) lamp | |
| CN206422949U (en) | A kind of High Power Factor phase-cut dimming power supply | |
| CN201888006U (en) | Intelligent dimming high frequency electronic discharge lamp for road lighting | |
| CN204836755U (en) | Use electrodeless fluorescence lamp of adjusting luminance of frequency generator control duty cycle | |
| CN201260265Y (en) | Electronic ballast circuit for light modulation type fluorescent lamp | |
| CN201878402U (en) | Electronic ballast for cold-cathode fluorescent lamp | |
| CN2870377Y (en) | High-power energy-saving frequency conversion power supply of gas discharge luminous electric light source | |
| CN101795520A (en) | Adjustable power inverter self-adapted to silicon-controlled voltage regulation mode | |
| CN201571249U (en) | Intelligent numerical control energy-saving dimming electronic ballast | |
| CN221863115U (en) | An electronic ballast for high intensity gas lamps | |
| CN217985464U (en) | LED control circuit with leakage-proof safety function and continuous dimming function | |
| CN104822217B (en) | A kind of electrodeless florescent lamp light-dimming method controlling duty ratio using bifrequency square-wave pulse signal generator | |
| CN219919215U (en) | Electronic ballast for stage lamp | |
| CN221886753U (en) | An energy-saving voltage-stabilizing and dimming electronic ballast | |
| CN201781667U (en) | Electrodeless lamp electronic ballast controlled by power line carrier | |
| CN1262152C (en) | Dimmable electronic ballast | |
| CN201450656U (en) | Circuit of cold cathode fluorescent energy-saving lamp | |
| CN100521066C (en) | High-performance energy-saving long life fluorescent lamp | |
| CN201533442U (en) | High power factor electronic ballast |
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: 20100721 Termination date: 20110818 |