CN203775484U - Intelligent LED fluorescent lamp in automatic identification compatibility mode - Google Patents
Intelligent LED fluorescent lamp in automatic identification compatibility mode Download PDFInfo
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- CN203775484U CN203775484U CN201420124602.3U CN201420124602U CN203775484U CN 203775484 U CN203775484 U CN 203775484U CN 201420124602 U CN201420124602 U CN 201420124602U CN 203775484 U CN203775484 U CN 203775484U
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
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- 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
- Y02B20/30—Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]
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Abstract
The utility model relates to the technical field of LED fluorescent lamps, and specifically relates to an LED fluorescent lamp power supply device which automatically selects single-ended or double-ended power supply. The utility model provides an intelligent LED fluorescent lamp in an automatic identification compatibility mode. The lamp comprises an electronic ballast, a fluorescent lamp tube, a relay, a control circuit, a flyback switching circuit, a high frequency AC-DC drive circuit and a switch. The third output end and the fourth output end of the electronic ballast are respectively connected with a first pin and a second pin on the left end of the fluorescent lamp tube. The first output end and the second output end of the electronic ballast are respectively connected with a third pin and a fourth pin on the left end of the fluorescent lamp tube. The third pin and the fourth pin on the right end of the fluorescent lamp tube are in a short circuit. The switch is used to select the first pin on the left end of the fluorescent lamp tube, and the third pin and the fourth pin on the right end of the fluorescent lamp tube. The relay, a rectification circuit, the switch, the flyback switching circuit, and the high frequency AC-DC drive circuit are respectively electrically connected with the control circuit. The rectification circuit is also electrically connected with the switch, the flyback switching circuit, and the high frequency AC-DC drive circuit.
Description
Technical field
The utility model relates to LED fluorescent lamp technical field, is specifically related to the electric supply installation of the LED fluorescent lamp of the single-ended or both end power supplying of a kind of automatic selection.
Background technology
Traditional fluorescent lamp is to belong to low pressure arc discharge light source, and it need to mate, and Inductive ballast adds starter or electric ballast could normally be lighted.
Along with LED is in the application of lighting field, LED fluorescent lamp has generally replaced traditional fluorescent lamp, electronics or Inductive ballast have all been housed on common original fluorescent lighting fixture, if these devices are reequiped or remove without circuit, common LED fluorescent lamp cannot normally use.In recent years, change the trouble of circuit in order to omit to replace in LED fluorescent lamp process, then occurred on the market can compatible electronic, Inductive ballast and LED fluorescent lamp that can compatible civil power, be can compatible with LED fluorescent lamp hereinafter to be referred as this series products.
Because conventional fluorescent fluorescent tube two end electrodes is without any electrical connection, in fluorescent tube, be filled with thin inert gas (as argon gas) and mercury vapour, in the time of energising, need to lean on ballast to apply enough voltage to filament heating and at the two ends of fluorescent tube, make to manage interior argon gas ionization, be transitioned into mercury vapor electric discharge, give off ultraviolet ray excited light-emitting phosphor, so can will mate with electronics or Inductive ballast by compatible with LED fluorescent lamp, must, from fluorescent tube two tip electrode power takings, then offer inner drive circuit.This way makes LED fluorescent tube two tip electrodes have electrical connection, and namely, in the time of one end electrifying electrodes wherein, human body touch, to other end electrode, just has the danger of electric shock; And conventional fluorescent fluorescent tube because two end electrodes without any electrical connection, so there is not this danger.
Utility model content
In order to solve the problems of the technologies described above, the utility model provides a kind of intelligent LED fluorescent lamp of automatic identification compatibility mode, comprise electric ballast, LED fluorescent-lamp tube, frequency detection circuit, rectification circuit, switch flyback switch circuit, control circuit and high-frequency AC-DC drive circuit, described electric ballast input is electrically connected with 220V city, described electric ballast the first output terminals A is connected with rectification circuit and frequency detection circuit, described electric ballast the second output B is connected with the port 4 of frequency detection circuit and relay, after described electric ballast the 3rd output C is connected with the 4th output D, be connected with the port 5 of relay again, described frequency detection circuit respectively with rectification circuit, control circuit connects, control circuit also with switch flyback switch circuit, high-frequency AC-DC drive circuit connects, described switch flyback switch circuit is secondary to be connected with LED fluorescent lamp lamp plate, described high-frequency AC-DC drive circuit is connected with the negative pole of LED fluorescent lamp lamp plate.
Further, described frequency detection circuit comprises capacitor C 1, transformer T1, the first bridge rectifier, filter capacitor E3, resistance R 31 and relay J 1, described electric ballast the first output terminals A is connected with an input of transformer T1, after described electric ballast the second output B series capacitance C1, be connected with another input of transformer T1, the second winding of described transformer T1 is connected with the first bridge rectifier, described the first bridge rectifier is in parallel with filter capacitor E3, resistance R 31 one end are connected with the positive pole of filter capacitor E3, the other end of resistance R 31 is connected with the port 2 of relay J 1, the port one of relay J 1 is connected with the negative pole of filter capacitor E3, the port 3 of relay J 1 is connected with rectification circuit, the port 4 of relay J 1 is connected with electric ballast the second output B, the port 5 of relay J 1 is connected after a fuse F2 and is connected with the 3rd output C and the 4th output D of electric ballast.
Further, described rectification circuit is made up of bridge rectifier and filter capacitor C3, described bridge rectifier is made up of diode D1, diode D2, diode D3 and diode D4, this bridge rectifier input is connected with port 3 and electric ballast first output terminals A of relay J 1, this bridge rectifier output is connected with switch flyback switch circuit with one end after filter capacitor C3 parallel connection, other end ground connection.
Further, described switch flyback switch circuit comprises that flyback drives chip U1, resistance R 3, resistance R 4, resistance R 15, resistance R 21, resistance R 20, resistance R 17, triode Q1, diode D14, diode D16, electric capacity E4, resistance R 29 and transformer T2, first winding one end of described transformer T2 is connected with bridge rectifier output, the first winding other end of described transformer T2 is connected with the D utmost point of triode Q1, the G utmost point of triode Q1 is connected with one end of resistance R 21, this end also drives the OUTPUT end of chip U1 to be connected with flyback, the other end of resistance R 21 is connected with the S utmost point of triode Q1, this end is also connected with one end of resistance R 15, the other end of resistance R 15D drives the ISENSE end of chip U1 to be connected with flyback, flyback drives the GND end ground connection of chip U1, flyback drives the VCC end of chip U1 to be connected with one end of resistance R 17, the other end of resistance R 17 is connected with diode D14 negative electrode, the anode of diode D14 is connected with second winding one end of transformer T2, the second winding other end ground connection of transformer T2, one end of resistance R 20 is connected with the S utmost point of triode Q1, the other end ground connection of resistance R 20, one end of capacitor C 11 drives the VIN end of chip U1 to be connected with flyback, the other end ground connection of capacitor C 11, one end of capacitor C 7 drives the VCC end of chip U1 to be connected with flyback, the other end ground connection of capacitor C 7, flyback drives NC end and the SD end of chip U1 unsettled, tertiary winding one end of transformer T2 is connected with electric capacity E4 is anodal, the tertiary winding other end of transformer T2 is connected with the negative electrode of diode D16, the anode of diode D16 is connected with the negative pole of electric capacity E4, resistance R 20 is connected in parallel on electric capacity E4 two ends, and these resistance R 20 two ends are in parallel with LED fluorescent-lamp tube, flyback drives the VCC end of chip U1 to be connected with control circuit, the anode of diode D16 is connected with high-frequency AC-DC circuit.
Further, described control circuit comprises diode D8, triode Q2, resistance R 5, resistance R 8, resistance R 9 and capacitor C 4, the anode of described diode D8 drives the VCC end of chip U1 to be connected with flyback, the negative electrode of described diode D8 is connected with the D utmost point of triode Q2, the S utmost point of triode Q2 is connected with resistance R 9 one end, this end is also connected with high-frequency AC-DC circuit, the other end ground connection of resistance R 9, the G utmost point of triode Q2 is connected with one end of resistance R 5, the other end of resistance R 5 is connected with the positive pole of filter capacitor E3, the G utmost point of triode Q2 also with one end of capacitor C 4, one end of resistance R 8 connects, the other end of capacitor C 4, the other end ground connection of resistance R 8.
Further, described high-frequency AC-DC circuit comprises resistance R 13, controllable silicon TR1 and capacitor C 5, described capacitor C 5 one end are connected with resistance R 13 one end, this end is also connected with the G utmost point of TR1, resistance R 13 other ends are connected with the S utmost point of triode Q2, the other end ground connection of capacitor C 5, this end is also connected with the K utmost point of TR1, and the A utmost point of TR1 is connected with the negative pole of electric capacity E4.
The utility model also provides a kind of intelligent LED fluorescent lamp of automatic identification compatibility mode to comprise LED fluorescent lamp lamp plate, frequency detection circuit, rectification circuit, switch flyback switch circuit, control circuit and high-frequency AC-DC drive circuit, the 1st port of described Inductive ballast is electrically connected with 220V city, the 2nd port is connected with rectification circuit and frequency detection circuit, starter the 1st port end is connected with the port 4 of frequency detection circuit and relay J 1, after the 2nd port is connected with relay J 1 port 5, the electrical connection of Zai Yu city, described frequency detection circuit respectively with rectification circuit, control circuit connects, control circuit also with switch flyback switch circuit, high-frequency AC-DC drive circuit connects, described switch flyback switch circuit is secondary to be connected with LED fluorescent lamp lamp plate, described high-frequency AC-DC drive circuit is connected with the negative pole of LED fluorescent lamp lamp plate.
Further, described frequency detection circuit comprises capacitor C 1, transformer T1, the first bridge rectifier, filter capacitor E3, resistance R 31 and relay J 1, described Inductive ballast the 2nd port is connected with an input of transformer T1, after the 1st port series capacitance C1 of starter, be connected with another input of transformer T1, be connected with the port 4 of relay J 1 simultaneously, the port 5 of relay J 1 is connected after a fuse F2 and is electrically connected with starter the 2nd port and city, the port 3 of relay J 1 is connected with rectification circuit, the second winding of described transformer T1 is connected with the first bridge rectifier, described the first bridge rectifier is in parallel with filter capacitor E3, resistance R 31 one end are connected with the positive pole of filter capacitor E3, the other end of resistance R 31 is connected with the port 2 of relay J 1, the port one of relay J 1 is connected with the negative pole of filter capacitor E3.
Further, described rectification circuit is made up of bridge rectifier and filter capacitor C3, described bridge rectifier is made up of diode D1, diode D2, diode D3 and diode D4, this bridge rectifier input is connected with port 3 and electric ballast first output terminals A of relay J 1, this bridge rectifier output is connected with switch flyback switch circuit with one end after filter capacitor C3 parallel connection, other end ground connection.
Further, described switch flyback switch circuit comprises that flyback drives chip U1, resistance R 3, resistance R 4, resistance R 15, resistance R 21, resistance R 20, resistance R 17, triode Q1, diode D14, diode D16, electric capacity E4, resistance R 29 and transformer T2, first winding one end of described transformer T2 is connected with bridge rectifier output, the first winding other end of described transformer T2 is connected with the D utmost point of triode Q1, the G utmost point of triode Q1 is connected with one end of resistance R 21, this end also drives the OUTPUT end of chip U1 to be connected with flyback, the other end of resistance R 21 is connected with the S utmost point of triode Q1, this end is also connected with one end of resistance R 15, the other end of resistance R 15D drives the ISENSE end of chip U1 to be connected with flyback, flyback drives the GND end ground connection of chip U1, flyback drives the VCC end of chip U1 to be connected with one end of resistance R 17, the other end of resistance R 17 is connected with diode D14 negative electrode, the anode of diode D14 is connected with second winding one end of transformer T2, the second winding other end ground connection of transformer T2, one end of resistance R 20 is connected with the S utmost point of triode Q1, the other end ground connection of resistance R 20, one end of capacitor C 11 drives the VIN end of chip U1 to be connected with flyback, the other end ground connection of capacitor C 11, one end of capacitor C 7 drives the VCC end of chip U1 to be connected with flyback, the other end ground connection of capacitor C 7, flyback drives NC end and the SD end of chip U1 unsettled, tertiary winding one end of transformer T2 is connected with electric capacity E4 is anodal, the tertiary winding other end of transformer T2 is connected with the negative electrode of diode D16, the anode of diode D16 is connected with the negative pole of electric capacity E4, resistance R 20 is connected in parallel on electric capacity E4 two ends, and these resistance R 20 two ends are in parallel with LED fluorescent-lamp tube, flyback drives the VCC end of chip U1 to be connected with control circuit, the anode of diode D16 is connected with high-frequency AC-DC circuit.
Further, described control circuit comprises diode D8, triode Q2, resistance R 5, resistance R 8, resistance R 9 and capacitor C 4, the anode of described diode D8 drives the VCC end of chip U1 to be connected with flyback, the negative electrode of described diode D8 is connected with the D utmost point of triode Q2, the S utmost point of triode Q2 is connected with resistance R 9 one end, this end is also connected with high-frequency AC-DC circuit, the other end ground connection of resistance R 9, the G utmost point of triode Q2 is connected with one end of resistance R 5, the other end of resistance R 5 is connected with the positive pole of filter capacitor E3, the G utmost point of triode Q2 also with one end of capacitor C 4, one end of resistance R 8 connects, the other end of capacitor C 4, the other end ground connection of resistance R 8.
Further, described high-frequency AC-DC circuit comprises resistance R 13, controllable silicon TR1 and capacitor C 5, described capacitor C 5 one end are connected with resistance R 13 one end, this end is also connected with the G utmost point of TR1, resistance R 13 other ends are connected with the S utmost point of triode Q2, the other end ground connection of capacitor C 5, this end is also connected with the K utmost point of TR1, and the A utmost point of TR1 is connected with the negative pole of electric capacity E4.
The utility model is by adopting technique scheme, and compared with prior art, tool has the following advantages:
The intelligent LED fluorescent lamp of automatic identification compatibility mode of the present utility model, can automatically identify coupling electric ballast, Inductive ballast and civil power, and then power for LED fluorescent lamp, and wherein LED fluorescent-lamp tube one termination electrode connects support, and other end electrode is not while connecting support, relay can adhesive, fluorescent lamp two ends are without any electrical connection, even if human body touch is to other end electrode, do not have the danger of electric shock yet, ensure the fail safe of installing and using, the utility model convenience simple in structure, applied widely.
Brief description of the drawings
Fig. 1 is the circuit theory diagrams of embodiment mono-of the present utility model;
Fig. 2 is the circuit theory diagrams of embodiment bis-of the present utility model.
Embodiment
Now with embodiment, the utility model is further illustrated by reference to the accompanying drawings.
Embodiment 1: as a specific embodiment, as shown in Figure 1, in the present embodiment, its environment for use is in the time electric ballast being housed on fluorescent lighting fixture, the intelligent LED fluorescent lamp that is a kind of automatic identification compatibility mode of the present utility model comprises LED fluorescent lamp lamp plate, frequency detection circuit, rectification circuit, switch flyback switch circuit, control circuit and high-frequency AC-DC drive circuit, described electric ballast input is electrically connected with 220V city, described electric ballast the first output terminals A is connected with rectification circuit and frequency detection circuit, described electric ballast the second output B is connected with frequency detection circuit and relay J 1 the 4th port, after described electric ballast the 3rd output C is connected with the 4th output D, be connected with relay J 1 the 5th port again, described frequency detection circuit respectively with rectification circuit, control circuit connects, control circuit also with switch flyback switch circuit, high-frequency AC-DC drive circuit connects, described switch flyback switch circuit is secondary to be connected with LED fluorescent lamp lamp plate, described high-frequency AC-DC drive circuit is connected with the negative pole of LED fluorescent lamp lamp plate.Further, described frequency detection circuit comprises capacitor C 1, transformer T1, the first bridge rectifier, filter capacitor E3, resistance R 31 and relay J 1, described electric ballast the first output terminals A is connected with an input of transformer T1, after described electric ballast the second output B series capacitance C1, be connected with another input of transformer T1, the second winding of described transformer T1 is connected with the first bridge rectifier, described the first bridge rectifier is in parallel with filter capacitor E3, resistance R 31 one end are connected with the positive pole of filter capacitor E3, the other end of resistance R 31 is connected with the port 2 of relay J 1, the port one of relay J 1 is connected with the negative pole of filter capacitor E3, the port 3 of relay J 1 is connected with rectification circuit, the port 4 of relay J 1 is connected with electric ballast the second output B, the port 5 of relay J 1 is connected after a fuse F2 and is connected with the 3rd output C and the 4th output D of electric ballast.Described rectification circuit is made up of bridge rectifier and filter capacitor C3, described bridge rectifier is made up of diode D1, diode D2, diode D3 and diode D4, this bridge rectifier input is connected with port 3 and electric ballast first output terminals A of relay J 1, this bridge rectifier output is connected with switch flyback switch circuit with one end after filter capacitor C3 parallel connection, other end ground connection.Described switch flyback switch circuit comprises that flyback drives chip U1, resistance R 3, resistance R 4, resistance R 15, resistance R 21, resistance R 20, resistance R 17, triode Q1, diode D14, diode D16, electric capacity E4, resistance R 29 and transformer T2, first winding one end of described transformer T2 is connected with bridge rectifier output, the first winding other end of described transformer T2 is connected with the D utmost point of triode Q1, the G utmost point of triode Q1 is connected with one end of resistance R 21, this end also drives the OUTPUT end of chip U1 to be connected with flyback, the other end of resistance R 21 is connected with the S utmost point of triode Q1, this end is also connected with one end of resistance R 15, the other end of resistance R 15D drives the ISENSE end of chip U1 to be connected with flyback, flyback drives the GND end ground connection of chip U1, flyback drives the VCC end of chip U1 to be connected with one end of resistance R 17, the other end of resistance R 17 is connected with diode D14 negative electrode, the anode of diode D14 is connected with second winding one end of transformer T2, the second winding other end ground connection of transformer T2, one end of resistance R 20 is connected with the S utmost point of triode Q1, the other end ground connection of resistance R 20, one end of capacitor C 11 drives the VIN end of chip U1 to be connected with flyback, the other end ground connection of capacitor C 11, one end of capacitor C 7 drives the VCC end of chip U1 to be connected with flyback, the other end ground connection of capacitor C 7, flyback drives NC end and the SD end of chip U1 unsettled, tertiary winding one end of transformer T2 is connected with electric capacity E4 is anodal, the tertiary winding other end of transformer T2 is connected with the negative electrode of diode D16, the anode of diode D16 is connected with the negative pole of electric capacity E4, resistance R 20 is connected in parallel on electric capacity E4 two ends, and these resistance R 20 two ends are in parallel with LED fluorescent-lamp tube, flyback drives the VCC end of chip U1 to be connected with control circuit, the anode of diode D16 is connected with high-frequency AC-DC circuit.Described control circuit comprises diode D8, triode Q2, resistance R 5, resistance R 8, resistance R 9 and capacitor C 4, the anode of described diode D8 drives the VCC end of chip U1 to be connected with flyback, the negative electrode of described diode D8 is connected with the D utmost point of triode Q2, the S utmost point of triode Q2 is connected with resistance R 9 one end, this end is also connected with high-frequency AC-DC circuit, the other end ground connection of resistance R 9, the G utmost point of triode Q2 is connected with one end of resistance R 5, the other end of resistance R 5 is connected with the positive pole of filter capacitor E3, the G utmost point of triode Q2 also with one end of capacitor C 4, one end of resistance R 8 connects, the other end of capacitor C 4, the other end ground connection of resistance R 8.Described high-frequency AC-DC circuit comprises resistance R 13, controllable silicon TR1 and capacitor C 5, described capacitor C 5 one end are connected with resistance R 13 one end, this end is also connected with the G utmost point of TR1, resistance R 13 other ends are connected with the S utmost point of triode Q2, the other end ground connection of capacitor C 5, this end is also connected with the K utmost point of TR1, and the A utmost point of TR1 is connected with the negative pole of electric capacity E4.
The use principle of the present embodiment is: in the time electric ballast being housed on fluorescent lighting fixture, A in control circuit, between B two stitch, there is high-frequency alternating current, capacitor C is equivalent to short circuit, high frequency transformer has electric current to pass through, through boosting, after rectification, make relay obtain electric adhesive, therefore, now fluorescent tube internal circuit is by A, the power taking of B two ends, through high pass filter C, high frequency transformer boosts, high-frequency rectification, after resistance current limliting, make relay adhesive, civil power passes through A through electric ballast, two stitch power supplies of C, control circuit is from A, C two ends collection signal, if this signal is high-frequency signal, high-frequency AC-DC drive circuit conducting start working (now switch flyback switch circuit is not worked),
Embodiment 2:
The present embodiment has the situation of Inductive ballast for fluorescent lighting fixture, a kind of intelligent LED fluorescent lamp of automatic identification compatibility mode comprises LED fluorescent lamp lamp plate, frequency detection circuit, rectification circuit, switch flyback switch circuit, control circuit and high-frequency AC-DC drive circuit, described Inductive ballast the 1st port is electrically connected with 220V city, the 2nd port is connected with rectification circuit and frequency detection circuit, described starter the 1st port is connected with the port 4 of frequency detection circuit and relay J 1, after the 2nd port is connected with relay J 1 port 5, the electrical connection of Zai Yu city, described frequency detection circuit respectively with rectification circuit, control circuit connects, control circuit also with switch flyback switch circuit, high-frequency AC-DC drive circuit connects, described switch flyback switch circuit is secondary to be connected with LED fluorescent lamp lamp plate, described high-frequency AC-DC drive circuit is connected with the negative pole of LED fluorescent lamp lamp plate.Described frequency detection circuit comprises capacitor C 1, transformer T1, the first bridge rectifier, filter capacitor E3, resistance R 31 and relay J 1, described Inductive ballast the 1st port is connected with an input of transformer T1, after the 1st port series capacitance C1 of starter, be connected with another input of transformer T1, be connected with the port 4 of relay J 1 simultaneously, the port 5 of relay J 1 is connected after a fuse F2 and is electrically connected with starter the 2nd port and city, the port 3 of relay J 1 is connected with rectification circuit, the second winding of described transformer T1 is connected with the first bridge rectifier, described the first bridge rectifier is in parallel with filter capacitor E3, resistance R 31 one end are connected with the positive pole of filter capacitor E3, the other end of resistance R 31 is connected with the port 2 of relay J 1, the port one of relay J 1 is connected with the negative pole of filter capacitor E3.Described rectification circuit is made up of bridge rectifier and filter capacitor C3, described bridge rectifier is made up of diode D1, diode D2, diode D3 and diode D4, this bridge rectifier input is connected with port 3 and Inductive ballast the 2nd port of relay J 1, this bridge rectifier output is connected with switch flyback switch circuit with one end after filter capacitor C3 parallel connection, other end ground connection.Described switch flyback switch circuit comprises that flyback drives chip U1, resistance R 3, resistance R 4, resistance R 15, resistance R 21, resistance R 20, resistance R 17, triode Q1, diode D14, diode D16, electric capacity E4, resistance R 29 and transformer T2, first winding one end of described transformer T2 is connected with bridge rectifier output, the first winding other end of described transformer T2 is connected with the D utmost point of triode Q1, the G utmost point of triode Q1 is connected with one end of resistance R 21, this end also drives the OUTPUT end of chip U1 to be connected with flyback, the other end of resistance R 21 is connected with the S utmost point of triode Q1, this end is also connected with one end of resistance R 15, the other end of resistance R 15 drives the ISENSE end of chip U1 to be connected with flyback, flyback drives the GND end ground connection of chip U1, flyback drives the VCC end of chip U1 to be connected with one end of resistance R 17, the other end of resistance R 17 is connected with diode D14 negative electrode, the anode of diode D14 is connected with second winding one end of transformer T2, the second winding other end ground connection of transformer T2, one end of resistance R 20 is connected with the S utmost point of triode Q1, the other end ground connection of resistance R 20, one end of capacitor C 11 drives the VIN end of chip U1 to be connected with flyback, the other end ground connection of capacitor C 11, one end of capacitor C 7 drives the VCC end of chip U1 to be connected with flyback, the other end ground connection of capacitor C 7, flyback drives NC end and the SD end of chip U1 unsettled, tertiary winding one end of transformer T2 is connected with electric capacity E4 is anodal, the tertiary winding other end of transformer T2 is connected with the negative electrode of diode D16, the anode of diode D16 is connected with the negative pole of electric capacity E4, resistance R 20 is connected in parallel on electric capacity E4 two ends, and these resistance R 20 two ends are in parallel with LED fluorescent-lamp tube, flyback drives the VCC end of chip U1 to be connected with control circuit, the anode of diode D16 is connected with high-frequency AC-DC circuit.Described control circuit comprises diode D8, triode Q2, resistance R 5, resistance R 8, resistance R 9 and capacitor C 4, the anode of described diode D8 drives the VCC end of chip U1 to be connected with flyback, the negative electrode of described diode D8 is connected with the D utmost point of triode Q2, the S utmost point of triode Q2 is connected with resistance R 9 one end, this end is also connected with high-frequency AC-DC circuit, the other end ground connection of resistance R 9, the G utmost point of triode Q2 is connected with one end of resistance R 5, the other end of resistance R 5 is connected with the positive pole of filter capacitor E3, the G utmost point of triode Q2 also with one end of capacitor C 4, one end of resistance R 8 connects, the other end of capacitor C 4, the other end ground connection of resistance R 8.
Further, described high-frequency AC-DC circuit comprises resistance R 13, controllable silicon TR1 and capacitor C 5, described capacitor C 5 one end are connected with resistance R 13 one end, this end is also connected with the G utmost point of TR1, resistance R 13 other ends are connected with the S utmost point of triode Q2, the other end ground connection of capacitor C 5, this end is also connected with the K utmost point of TR1, and the A utmost point of TR1 is connected with the negative pole of electric capacity E4.
The operation principle of the present embodiment is: in the time Inductive ballast being housed on fluorescent lighting fixture, relay can adhesive, as long as original starter is taken away, change special starter, two electrodes of this starter connect a fuse, civil power will be through Inductive ballast by A, two stitch power supplies of B, concrete, civil power → Inductive ballast → A stitch, civil power another road → D stitch → C stitch → starter → B stitch, control circuit is selected automatically from A, the power taking of B two ends, now, AB end is low frequency, after high pass filter, high frequency transformer is not worked, so relay can adhesive, so now high-frequency AC-DC drive circuit is not worked, and switch flyback switch circuit conducting is started working, because T1 is a high frequency transformer, capacitor C is the effect of high-pass filtering, only have high-frequency signal to pass through, low frequency signal can be blocked, so work as A, when two stitch of B access the voltage of 50HZ, from capacitive reactance formula Xc=1/2 π fc and induction reactance formula XL=2 π fL, the capacitive reactance of C is large and L1 induction reactance is minimum, so relay just can adhesive.
In the time that LED fluorescent lamp directly connects civil power, relay too can adhesive, as long as directly connect civil powers from A, two stitch of B, system selects to supply with switch flyback switch circuit automatically.Because T1 is a high frequency transformer, capacitor C is the effect of high-pass filtering, only have high-frequency signal to pass through, low frequency signal can be blocked, so in the time that A, two stitch of B access the voltage of 50HZ, from capacitive reactance formula Xc=1/2 π fc and induction reactance formula XL=2 π fL, the capacitive reactance of C is large and L1 induction reactance is minimum, so relay just can adhesive.
Although specifically show and introduced the utility model in conjunction with preferred embodiment; but those skilled in the art should be understood that; not departing from the spirit and scope of the present utility model that appended claims limits; can make a variety of changes the utility model in the form and details, be protection range of the present utility model.
Claims (12)
1. automatically identify the intelligent LED fluorescent lamp of compatibility mode for one kind, it is characterized in that: comprise electric ballast, LED fluorescent-lamp tube, frequency detection circuit, rectification circuit, switch flyback switch circuit, control circuit and high-frequency AC-DC drive circuit, described electric ballast input is electrically connected with 220V city, described electric ballast the first output terminals A is connected with rectification circuit and frequency detection circuit, described electric ballast the second output B is connected with the port 4 of frequency detection circuit and relay, after described electric ballast the 3rd output C is connected with the 4th output D, be connected with the port 5 of relay again, described frequency detection circuit respectively with rectification circuit, control circuit connects, control circuit also with switch flyback switch circuit, high-frequency AC-DC drive circuit connects, described switch flyback switch circuit is secondary to be connected with LED fluorescent lamp lamp plate, described high-frequency AC-DC drive circuit is connected with the negative pole of LED fluorescent lamp lamp plate.
2. the intelligent LED fluorescent lamp of a kind of automatic identification compatibility mode according to claim 1, it is characterized in that: described frequency detection circuit comprises capacitor C 1, transformer T1, the first bridge rectifier, filter capacitor E3, resistance R 31 and relay J 1, described electric ballast the first output terminals A is connected with an input of transformer T1, after described electric ballast the second output B series capacitance C1, be connected with another input of transformer T1, the second winding of described transformer T1 is connected with the first bridge rectifier, described the first bridge rectifier is in parallel with filter capacitor E3, resistance R 31 one end are connected with the positive pole of filter capacitor E3, the other end of resistance R 31 is connected with the port 2 of relay J 1, the port one of relay J 1 is connected with the negative pole of filter capacitor E3, the port 3 of relay J 1 is connected with rectification circuit, the port 4 of relay J 1 is connected with electric ballast the second output B, the port 5 of relay J 1 is connected after a fuse F2 and is connected with the 3rd output C and the 4th output D of electric ballast.
3. the intelligent LED fluorescent lamp of a kind of automatic identification compatibility mode according to claim 1, it is characterized in that: described rectification circuit is made up of bridge rectifier and filter capacitor C3, described bridge rectifier is made up of diode D1, diode D2, diode D3 and diode D4, this bridge rectifier input is connected with port 3 and electric ballast first output terminals A of relay J 1, this bridge rectifier output is connected with switch flyback switch circuit with one end after filter capacitor C3 parallel connection, other end ground connection.
4. the intelligent LED fluorescent lamp of a kind of automatic identification compatibility mode according to claim 1, it is characterized in that: described switch flyback switch circuit comprises that flyback drives chip U1, resistance R 3, resistance R 4, resistance R 15, resistance R 21, resistance R 20, resistance R 17, triode Q1, diode D14, diode D16, electric capacity E4, resistance R 29 and transformer T2, first winding one end of described transformer T2 is connected with bridge rectifier output, the first winding other end of described transformer T2 is connected with the D utmost point of triode Q1, the G utmost point of triode Q1 is connected with one end of resistance R 21, this end also drives the OUTPUT end of chip U1 to be connected with flyback, the other end of resistance R 21 is connected with the S utmost point of triode Q1, this end is also connected with one end of resistance R 15, the other end of resistance R 15D drives the ISENSE end of chip U1 to be connected with flyback, flyback drives the GND end ground connection of chip U1, flyback drives the VCC end of chip U1 to be connected with one end of resistance R 17, the other end of resistance R 17 is connected with diode D14 negative electrode, the anode of diode D14 is connected with second winding one end of transformer T2, the second winding other end ground connection of transformer T2, one end of resistance R 20 is connected with the S utmost point of triode Q1, the other end ground connection of resistance R 20, one end of capacitor C 11 drives the VIN end of chip U1 to be connected with flyback, the other end ground connection of capacitor C 11, one end of capacitor C 7 drives the VCC end of chip U1 to be connected with flyback, the other end ground connection of capacitor C 7, flyback drives NC end and the SD end of chip U1 unsettled, tertiary winding one end of transformer T2 is connected with electric capacity E4 is anodal, the tertiary winding other end of transformer T2 is connected with the negative electrode of diode D16, the anode of diode D16 is connected with the negative pole of electric capacity E4, resistance R 20 is connected in parallel on electric capacity E4 two ends, and these resistance R 20 two ends are in parallel with LED fluorescent-lamp tube, flyback drives the VCC end of chip U1 to be connected with control circuit, the anode of diode D16 is connected with high-frequency AC-DC circuit.
5. the intelligent LED fluorescent lamp of a kind of automatic identification compatibility mode according to claim 1, it is characterized in that: described control circuit comprises diode D8, triode Q2, resistance R 5, resistance R 8, resistance R 9 and capacitor C 4, the anode of described diode D8 drives the VCC end of chip U1 to be connected with flyback, the negative electrode of described diode D8 is connected with the D utmost point of triode Q2, the S utmost point of triode Q2 is connected with resistance R 9 one end, this end is also connected with high-frequency AC-DC circuit, the other end ground connection of resistance R 9, the G utmost point of triode Q2 is connected with one end of resistance R 5, the other end of resistance R 5 is connected with the positive pole of filter capacitor E3, the G utmost point of triode Q2 also with one end of capacitor C 4, one end of resistance R 8 connects, the other end of capacitor C 4, the other end ground connection of resistance R 8.
6. the intelligent LED fluorescent lamp of a kind of automatic identification compatibility mode according to claim 1, it is characterized in that: described high-frequency AC-DC circuit comprises resistance R 13, controllable silicon TR1 and capacitor C 5, described capacitor C 5 one end are connected with resistance R 13 one end, this end is also connected with the G utmost point of TR1, resistance R 13 other ends are connected with the S utmost point of triode Q2, the other end ground connection of capacitor C 5, this end is also connected with the K utmost point of TR1, and the A utmost point of TR1 is connected with the negative pole of electric capacity E4.
7. automatically identify the intelligent LED fluorescent lamp of compatibility mode for one kind, it is characterized in that: comprise LED fluorescent lamp lamp plate, frequency detection circuit, rectification circuit, switch flyback switch circuit, control circuit and high-frequency AC-DC drive circuit, the 1st port of described Inductive ballast is electrically connected with 220V city, the 2nd port is connected with rectification circuit and frequency detection circuit, starter the 1st port end is connected with the port 4 of frequency detection circuit and relay J 1, after the 2nd port is connected with relay J 1 port 5, the electrical connection of Zai Yu city, described frequency detection circuit respectively with rectification circuit, control circuit connects, control circuit also with switch flyback switch circuit, high-frequency AC-DC drive circuit connects, described switch flyback switch circuit is secondary to be connected with LED fluorescent lamp lamp plate, described high-frequency AC-DC drive circuit is connected with the negative pole of LED fluorescent lamp lamp plate.
8. the intelligent LED fluorescent lamp of a kind of automatic identification compatibility mode according to claim 7, it is characterized in that: described frequency detection circuit comprises capacitor C 1, transformer T1, the first bridge rectifier, filter capacitor E3, resistance R 31 and relay J 1, described Inductive ballast the 2nd port is connected with an input of transformer T1, after the 1st port series capacitance C1 of starter, be connected with another input of transformer T1, be connected with the port 4 of relay J 1 simultaneously, the port 5 of relay J 1 is connected after a fuse F2 and is electrically connected with starter the 2nd port and city, the port 3 of relay J 1 is connected with rectification circuit, the second winding of described transformer T1 is connected with the first bridge rectifier, described the first bridge rectifier is in parallel with filter capacitor E3, resistance R 31 one end are connected with the positive pole of filter capacitor E3, the other end of resistance R 31 is connected with the port 2 of relay J 1, the port one of relay J 1 is connected with the negative pole of filter capacitor E3.
9. the intelligent LED fluorescent lamp of a kind of automatic identification compatibility mode according to claim 7, it is characterized in that: described rectification circuit is made up of bridge rectifier and filter capacitor C3, described bridge rectifier is made up of diode D1, diode D2, diode D3 and diode D4, this bridge rectifier input is connected with port 3 and electric ballast first output terminals A of relay J 1, this bridge rectifier output is connected with switch flyback switch circuit with one end after filter capacitor C3 parallel connection, other end ground connection.
10. the intelligent LED fluorescent lamp of a kind of automatic identification compatibility mode according to claim 7, it is characterized in that: described switch flyback switch circuit comprises that flyback drives chip U1, resistance R 3, resistance R 4, resistance R 15, resistance R 21, resistance R 20, resistance R 17, triode Q1, diode D14, diode D16, electric capacity E4, resistance R 29 and transformer T2, first winding one end of described transformer T2 is connected with bridge rectifier output, the first winding other end of described transformer T2 is connected with the D utmost point of triode Q1, the G utmost point of triode Q1 is connected with one end of resistance R 21, this end also drives the OUTPUT end of chip U1 to be connected with flyback, the other end of resistance R 21 is connected with the S utmost point of triode Q1, this end is also connected with one end of resistance R 15, the other end of resistance R 15D drives the ISENSE end of chip U1 to be connected with flyback, flyback drives the GND end ground connection of chip U1, flyback drives the VCC end of chip U1 to be connected with one end of resistance R 17, the other end of resistance R 17 is connected with diode D14 negative electrode, the anode of diode D14 is connected with second winding one end of transformer T2, the second winding other end ground connection of transformer T2, one end of resistance R 20 is connected with the S utmost point of triode Q1, the other end ground connection of resistance R 20, one end of capacitor C 11 drives the VIN end of chip U1 to be connected with flyback, the other end ground connection of capacitor C 11, one end of capacitor C 7 drives the VCC end of chip U1 to be connected with flyback, the other end ground connection of capacitor C 7, flyback drives NC end and the SD end of chip U1 unsettled, tertiary winding one end of transformer T2 is connected with electric capacity E4 is anodal, the tertiary winding other end of transformer T2 is connected with the negative electrode of diode D16, the anode of diode D16 is connected with the negative pole of electric capacity E4, resistance R 20 is connected in parallel on electric capacity E4 two ends, and these resistance R 20 two ends are in parallel with LED fluorescent-lamp tube, flyback drives the VCC end of chip U1 to be connected with control circuit, the anode of diode D16 is connected with high-frequency AC-DC circuit.
The intelligent LED fluorescent lamp of 11. a kind of automatic identification compatibility modes according to claim 7, it is characterized in that: described control circuit comprises diode D8, triode Q2, resistance R 5, resistance R 8, resistance R 9 and capacitor C 4, the anode of described diode D8 drives the VCC end of chip U1 to be connected with flyback, the negative electrode of described diode D8 is connected with the D utmost point of triode Q2, the S utmost point of triode Q2 is connected with resistance R 9 one end, this end is also connected with high-frequency AC-DC circuit, the other end ground connection of resistance R 9, the G utmost point of triode Q2 is connected with one end of resistance R 5, the other end of resistance R 5 is connected with the positive pole of filter capacitor E3, the G utmost point of triode Q2 also with one end of capacitor C 4, one end of resistance R 8 connects, the other end of capacitor C 4, the other end ground connection of resistance R 8.
The intelligent LED fluorescent lamp of 12. a kind of automatic identification compatibility modes according to claim 7, it is characterized in that: described high-frequency AC-DC circuit comprises resistance R 13, controllable silicon TR1 and capacitor C 5, described capacitor C 5 one end are connected with resistance R 13 one end, this end is also connected with the G utmost point of TR1, resistance R 13 other ends are connected with the S utmost point of triode Q2, the other end ground connection of capacitor C 5, this end is also connected with the K utmost point of TR1, and the A utmost point of TR1 is connected with the negative pole of electric capacity E4.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420124602.3U CN203775484U (en) | 2014-03-19 | 2014-03-19 | Intelligent LED fluorescent lamp in automatic identification compatibility mode |
| PCT/CN2014/077901 WO2015139365A1 (en) | 2014-03-19 | 2014-05-20 | Intelligent led fluorescent lamp with automatically identifying compatibility mode |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420124602.3U CN203775484U (en) | 2014-03-19 | 2014-03-19 | Intelligent LED fluorescent lamp in automatic identification compatibility mode |
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| CN203775484U true CN203775484U (en) | 2014-08-13 |
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| WO (1) | WO2015139365A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016058177A1 (en) * | 2014-10-17 | 2016-04-21 | James Lighting Group Co., Limited | Ballast-compatible lighting driver and light emitting diode lamp comprising the same |
| CN106979467A (en) * | 2016-01-15 | 2017-07-25 | 深圳市宝瑞恒业科技有限公司 | A kind of Multi-function compatible type LED lamp tube |
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| CN106938123A (en) * | 2017-04-28 | 2017-07-11 | 广州美琳美健医疗科技有限公司 | A kind of intelligent phototherapy radiation instrument of batch (-type) |
| CN107396497B (en) * | 2017-08-15 | 2023-11-10 | 浙江阳光美加照明有限公司 | LED lamp tube with single-end and double-end power supply and driving circuit |
| CN109561541B (en) * | 2017-09-27 | 2021-12-28 | 朗德万斯公司 | Dual function lamp driver |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102215617A (en) * | 2010-04-09 | 2011-10-12 | 复旦大学 | Partition type driving circuit for general lighting LED (light emitting diode) street lamp |
| CN102155642B (en) * | 2010-12-07 | 2013-02-27 | 刘昌贵 | LED (light emitting diode) daylight lamp and connecting circuit thereof |
| CN102355780A (en) * | 2011-09-23 | 2012-02-15 | 浙江世明光学科技有限公司 | LED (light-emitting diode) tube and drive circuit thereof |
| CN202503791U (en) * | 2012-03-08 | 2012-10-24 | 梅玉刚 | Infrared Pyroelectric Sensing High Pressure Sodium Lamp |
-
2014
- 2014-03-19 CN CN201420124602.3U patent/CN203775484U/en not_active Expired - Fee Related
- 2014-05-20 WO PCT/CN2014/077901 patent/WO2015139365A1/en active Application Filing
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016058177A1 (en) * | 2014-10-17 | 2016-04-21 | James Lighting Group Co., Limited | Ballast-compatible lighting driver and light emitting diode lamp comprising the same |
| US9883555B2 (en) | 2014-10-17 | 2018-01-30 | DongGuan Pan American Electronics Co., Ltd. | Ballast-compatible lighting driver and light emitting diode lamp comprising the same |
| CN106979467A (en) * | 2016-01-15 | 2017-07-25 | 深圳市宝瑞恒业科技有限公司 | A kind of Multi-function compatible type LED lamp tube |
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| Publication number | Publication date |
|---|---|
| WO2015139365A1 (en) | 2015-09-24 |
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Address after: Jinyuan Road in Jimei District of Xiamen City, Fujian Province, No. 469 361000 Patentee after: Xiamen Mai keepsake Polytron Technologies Inc Address before: Jinyuan Road in Jimei District of Xiamen City, Fujian Province, No. 469 361000 Patentee before: Xiamen Mai Xin Electronic Science and Technology Co., Ltd. |
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