A kind of light-operated suspension type LED fluorescent tube
Technical field
The present invention relates to field of LED illumination, more particularly to a kind of light-operated suspension type LED fluorescent tube.
Background technology
LED (Light Emitting Diode, light emitting diode) is a kind of semiconductor device of solid-state, and it can be direct
Electricity is converted into light, the features such as LED has life-span length, pollution-free, light efficiency is high, electric filament lamp and fluorescent light is just progressively being substituted.
LED Line lamps are connected on the ceiling by lifting rope, a kind of lighting that suspended on by lifting rope.Existing LED messenger wires
Lamp is all directly connected to by lifting rope with lamp body, needs to unload down lamp body when carrying out internal maintenance or part replacement, is needed
Lamp body is taken apart lifting rope could to be pulled down, it is cumbersome.
The content of the invention
The main object of the present invention is to provide a kind of double lamp body LED Line lamps being easy for installation and removal.
The present invention proposes a kind of light-operated suspension type LED fluorescent tube, including two by bar shaped lamp socket, installed in the strip light
The fluorescent tube body of the LED light source plate and lampshade composition in seat and the LED drive power and two of LED light source plate electrical connection
The individual connector being connected with fluorescent tube body described in two, the connector is provided with two U-shaped interfaces being adapted to the fluorescent tube body,
The both sides outside wall surface of bar shaped lamp socket is provided with draw-in groove, is provided with corresponding with draw-in groove and adaptation on the both sides internal face of U-shaped interface
Card article, is inserted in corresponding draw-in groove by card article, two fluorescent tube bodies is connected with connector;Installation is additionally provided with the connector
Hole, lifting rope is penetrated from the installing hole and is connected with the flexible mouth of lifting rope;The LED drive power is arranged on the connector
The position between two U-shaped interfaces;The LED drive power is built-in with driving power supply circuit and optically controlled delay circuit, institute
Driving power supply circuit is stated for primary side feedback formula constant current driver circuit for LED, including current rectifying and wave filtering circuit and the current rectifying and wave filtering circuit
Outfan connection mains transformer and primary side feedback LED constant current driving chip, the primary side feedback LED constant current driving chip
Outfan be connected with the input of the mains transformer, the outfan of the mains transformer is the driving power supply circuit
Power output end;The power output end of the driving power supply circuit is connected with the power input of the optically controlled delay circuit,
The optically controlled delay circuit includes photoconductive resistance, monostable flipflop and switching device, the triggering of the single-shot trigger circuit
Input is connected with the photoconductive resistance, and the outfan of the single-shot trigger circuit connects with the input of the switching device
Connect, the signal output part of the switching device connects the LED light source plate.
Preferably, the bar shaped lamp socket is made up of aluminum alloy materials, is provided with some in the outside wall surface of the bar shaped lamp socket
Vent rib.
Preferably, the LED light source plate is made up of aluminium base and some LED chips being arranged on the aluminium base, institute
State LED light source plate to be fastened in the bar shaped lamp socket, fit with its bottom surface.
Preferably, the lampshade is made up of PC materials.
The light-operated suspension type LED fluorescent tube of the present invention has the beneficial effect that:
The LED Line lamps of the present invention are provided with two fluorescent tube bodies, are attached by connector between two fluorescent tube bodies, make two
Fluorescent tube body is integrated.Connector is provided with two U-shaped interfaces being adapted to fluorescent tube body, in the both sides outside wall surface of bar shaped lamp socket
Draw-in groove is provided with, card article that is corresponding with draw-in groove and being adapted to is provided with the both sides internal face of U-shaped interface, it is corresponding by card article insertion
In draw-in groove, two fluorescent tube bodies are made to be connected with connector, assembly operation is easy.
LED drive power is built-in with driving power supply circuit and optically controlled delay circuit, and driving power supply circuit is primary side feedback formula
Constant current driver circuit for LED, using primary side feedback formula constant current driver circuit for LED constant current-supplying is carried out, using by photoconductive resistance, monostable
The optically controlled delay circuit that state trigger and switching device are constituted, circuit is simple, small volume;The resistance of photoconductive resistance follows extraneous ring
The change of the light intensity in border and change:Daytime, when there is illumination to be mapped to photoconductive resistance, its resistance very little (tens K or so), now
The trigger input end input high level of monostable flipflop, is not triggered, and its outfan output low level, switching device is not led
Logical, LED light source plate is in turn-off;Darkness, when photoconductive resistance does not have illumination, its resistance increases, now monostable trigger
The trigger input end input low level of device, monostable flipflop is triggered upset by 2 feet, its outfan output high level, is opened
Close device to be triggered conducting, LED light source plate is lighted;LED lamp automatic distinguishing on daytime is realized, darkness is lighted automatically, energy saving,
Convenient use.
Description of the drawings
Fig. 1 is the structural representation of the light-operated suspension type LED fluorescent tube of the present invention;
Fig. 2 is the enlarged drawing of part A in Fig. 1;
Fig. 3 is the circuit diagram of the driving power supply circuit of the LED drive power of the light-operated suspension type LED fluorescent tube of the present invention;
Fig. 4 is the circuit diagram of the optically controlled delay circuit of the LED drive power of the light-operated suspension type LED fluorescent tube of the present invention.
The realization of the object of the invention, functional characteristics and advantage will be described further referring to the drawings in conjunction with the embodiments.
Specific embodiment
It should be appreciated that specific embodiment described herein is not intended to limit the present invention only to explain the present invention.
Referring to figs. 1 to Fig. 4, an embodiment of the light-operated suspension type LED fluorescent tube of the present invention is proposed:
A kind of light-operated suspension type LED fluorescent tube, including two by bar shaped lamp socket 10, the LED in bar shaped lamp socket 10
The LED drive power 50 and two and two fluorescent tubes of the fluorescent tube body and the electrical connection of LED light source plate of light source board and the composition of lampshade 20
The connector 30 of body connection.Bar shaped lamp socket 10 is made up of aluminum alloy materials, and heat conductivity is high.In the outside wall surface of bar shaped lamp socket 10
Some vent ribs 11 are provided with, area of dissipation can be increased, improve radiating efficiency.LED light source plate is by aluminium base and is arranged on aluminium base
Some LED chips composition on plate.LED light source plate is connected by screw and is fixed in bar shaped lamp socket 10, fits with its bottom surface, with
The contact area of bar shaped lamp socket 10 is big, heat can be quickly conducted to bar shaped lamp socket 10, is radiated by bar shaped lamp socket 10.
Lampshade 20 is arranged on the front port of bar shaped lamp socket 10, LED light source plate is located at interior.Lampshade 20 is PC material systems
Into not cracky, light transmittance is high.
It is attached by connector 30 between two fluorescent tube bodies, makes two fluorescent tube bodies be integrated.Connector 30 is provided with two
The individual U-shaped interface 31 being adapted to fluorescent tube body, is provided with draw-in groove 12, in U-shaped interface 31 in the both sides outside wall surface of bar shaped lamp socket 10
Both sides internal face is provided with card article 32 that is corresponding with draw-in groove 12 and being adapted to, is inserted in corresponding draw-in groove 12 by card article 32, makes two
Fluorescent tube body is connected with connector 30, and assembly operation is easy.
Installing hole is provided with U-shaped connector 30, lifting rope 40 is penetrated from installing hole and is connected with the flexible mouth 41 of lifting rope.It is logical
Cross connector 30 to be connected with lifting rope 40, so as to need to pull down during lamp body, under only need to be dismantled from connector 30 lamp body,
Lifting rope 40 need not be unloaded, i.e., it is quick and convenient.
LED drive power 50 is arranged on connector 30, between two U-shaped interfaces 31.The built-in drive of LED drive power 50
Galvanic electricity source circuit and optically controlled delay circuit.Driving power supply circuit is primary side feedback formula constant current driver circuit for LED, including rectifying and wave-filtering
The mains transformer T7 and primary side feedback LED constant current driving chip JP1 of the outfan connection of circuit and current rectifying and wave filtering circuit, it is former
The outfan of side feedback LED constant current driving chip JP1 is connected with the input of mains transformer T7, the output of mains transformer T7
Hold as the power output end of driving power supply circuit.
Primary side feedback LED constant current driving chip JP1 is BP9022A chips, and chip internal is integrated with 600V power switch,
Only needing to few peripheral assembly can just reach excellent constant-current characteristicses, and employ primary side feedback technology, without the need for optocoupler
And TL431 feedbacks, to power without assists winding and detect, system cost is extremely low.1 foot of BP9022A chip JP1 is adopted for electric current
Sample end CS, meets sampling resistor R3 to ground wire;2 feet of BP9022A chip JP1 are chip power supply end VDD, with current rectifying and wave filtering circuit
Outfan connects;3 feet of BP9022A chip JP1 be earth terminal GND, earth lead;4 feet of BP9022A chip JP1 are LED open circuits
Protection voltage arranges end ROVP, and connecting resistance R2 is to ground wire;5 feet and 6 feet of BP9022A chip JP1 are empty foot NC, BP9022A cores
7 feet and 8 feet of piece JP1 are internal high pressure power tube drain terminal DRAIN, i.e. outfan, connect the input of mains transformer T7.
The power output end of driving power supply circuit is connected with the power input of optically controlled delay circuit.Optically controlled delay circuit bag
Include photoconductive resistance R10, monostable flipflop and switching device, trigger input end and the photoconductive resistance R10 of single-shot trigger circuit
Connection, the outfan of single-shot trigger circuit is connected with the input of switching device, the signal output part connection LED of switching device
Light source board.
The resistance of photoconductive resistance R10 follows the change of the light intensity of external environment and changes:On daytime, when there is illumination light is mapped to
During quick resistance R10, its resistance very little (tens K or so), the now trigger input end input high level of monostable flipflop, not by
Triggering, its outfan output low level, IGCT Q1 is not turned on, and LED light source plate is in turn-off;Darkness, works as photoconductive resistance
When R10 does not have illumination, its resistance increases, now the trigger input end input low level of monostable flipflop, monostable flipflop
It is triggered upset by 2 feet, its outfan output high level, IGCT Q1 is triggered conducting, LED light source plate is lighted;Realize LED
Light fixture automatic distinguishing on daytime, darkness is lighted automatically, energy saving, convenient use.
The preferred embodiments of the present invention are the foregoing is only, the scope of the claims of the present invention, every utilization is not thereby limited
The equivalent structure transformation that description of the invention and accompanying drawing content are made, or directly or indirectly it is used in other related technology necks
Domain, is included within the scope of the present invention.