CN103968285A - Compatible LED lamp tube with linkage and self-recovered turn-off function and application method thereof - Google Patents
Compatible LED lamp tube with linkage and self-recovered turn-off function and application method thereof Download PDFInfo
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- CN103968285A CN103968285A CN201410182337.9A CN201410182337A CN103968285A CN 103968285 A CN103968285 A CN 103968285A CN 201410182337 A CN201410182337 A CN 201410182337A CN 103968285 A CN103968285 A CN 103968285A
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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
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- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
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Abstract
The invention provides a compatible LED lamp tube with a linkage and self-recovered turn-off function. The compatible LED lamp tube comprises an LED lamp tube body, a driving circuit, an LED circuit board, a radiator and a linkage and self-recovered turn-off lamp holder, wherein the driving circuit, the LED circuit board and the radiator are arranged in the LED lamp tube body, and at least one end of the LED lamp tube body is provided with the linkage and self-recovered turn-off lamp holder. An application method of the compatible LED lamp tube includes the steps that firstly, when the LED lamp tube body is not placed into a lamp tube support, an inner shifting sheet of a second linkage assembly can not be shifted due to interference of a locking sheet of a first linkage assembly; secondly, when the LED lamp tube body is placed into the lamp tube support, external force is exerted on an outer shifting ring of the second linkage assembly, so that the outer shifting ring is shifted, and a conductive post makes contact with a conducting plate arranged on the inner side of a shell and a conducting plate arranged on the inner side of a rear cover; thirdly, when only one end of the LED lamp tube body or the LED lamp tube body integrally comes out of the lamp tube support, the conductive post disengages from the conducting plate arranged on the inner side of the shell and the conducting plate arranged on the inner side of the rear cover. Compared with a traditional fluorescent lamp, the compatible LED lamp tube with the linkage and self-recovered turn-off function has the advantage that the safety performance of the novel LED lamp tube is ensured.
Description
Technical field
The present invention relates to a kind of LED fluorescent tube, is that a kind of safe, compatible tool strong, that repacking cost is low links from the LED fluorescent tube that recovers turn-off function specifically.
Background technology
Energy-conservation sustainable development is the theme of world today's development.New light sources illumination taking LED as representative replaces conventional light source, has become the trend of illuminating industry future development.This new light sources illuminating product is just constantly realized and being updated under the driving of innovative technology, develop into current LED lamp by early stage incandescent lamp, illuminating product, in realizing upgrading, is also also well promoted in comfort level and perception, and illuminating effect is more variation also.The relative traditional lighting product of Novel LED lamp has energy-conserving and environment-protective, safe, long service life, luminous efficiency and colour rendering advantages of higher.Adding up the current whole world according to illuminating product leader philips has 12,000,000,000 conventional fluorescent to need to replace.
Traditional fluorescent lamp all needs have ballast to drive, and current LED lamp is all directly to be driven by electric main, in the time using LED lamp to replace conventional fluorescent, LED lamp cannot directly be used in old fluorescent lamp system original destruction florescent lamp fitting system, can only take down the original ballast of fluorescent lamp, be revised as directly by city's electric drive.But amendment will bring following problem to circuit:
1, huge improvement cost: take Europe as example, the circuit of amendment light fixture needs the accredited electrician of specialty, and the expense that accredited electrician's manpower comparing is purchased LED lamp pipe is also high, thereby causes improvement cost very high.
2, transformation efficiency is low: the accredited electrician with specialty only can transform 7 tubes for one hour.
3, the Safety Approval of the original light fixture destroying: the fluorescent tube safety standard in the U.S. and Europe requires at present: LED fluorescent tube is necessary for single-ended power supply, but conventional fluorescent fluorescent tube is by both end power supplying, based on the demand in market, Safety Approval mechanism amendment safety standard is can both end power supplying, but while requiring one end access fluorescent tube, the other end is not charged, and can reach the withstand voltage of 3750V, to ensure safety, the two ends that are fluorescent tube due to the ballast of conventional fluorescent fluorescent tube power, if adopt single-ended power supply mode, ballast that cannot be compatible traditional, if want compatible traditional ballast must adopt two ends power supply mode, therefore cannot meet the requirement of safety standard, there is very large risk in which.
Summary of the invention
The object of the invention is in order to solve the existing defect of LED fluorescent tube in prior art, provide a kind of and there is interlock and solve the problems referred to above from recovering compatible type LED fluorescent tube and the application process thereof of turn-off function.
To achieve these goals, technical scheme of the present invention is as follows:
There is interlock from the compatible type LED fluorescent tube that recovers turn-off function, comprise LED lamp tube body, be installed on drive circuit, LED circuit plate and radiator in LED lamp tube body, be installed on LED lamp tube body at least the interlock of one end from recovering to turn-off lamp holder, on described LED circuit plate, be provided with LED lamp, described interlock connects drive circuit from recovering to turn-off lamp holder, described drive circuit connects LED circuit plate, it is characterized in that
Described interlock is from the bonnet of the openend that recovers to turn-off shell that lamp holder comprises an end opening one end sealing, is located at shell and be arranged at the lamp pin of closed termination of outer cover outer top surface, also comprises the first linkage unit and the second linkage unit;
Described the first linkage unit comprises and is arranged at taking off post in shell, described taking off post is divided into butt end and taper end, the diameter of described butt end is greater than the diameter of taper end, also comprise the via hole being arranged on bonnet in shell, the described taper end taking off post is inserted in via hole, in the described taper end taking off post, be also provided with lock banking stop, taking off post between described lock banking stop and via hole is outside equipped with spring and props up respectively lock banking stop and bonnet, described in the butt end top that takes off post be provided with the pressure of stretching out shell and touch cap;
Described the second linkage unit comprises outer ring and the interior sliding piece stirred, described outer stirring between ring and interior sliding piece is also provided with non-closed annular chute, the shell wall of described shell snaps in non-closed annular chute, described outer stirring encircled the outside that is arranged at shell, described interior sliding piece is arranged in shell, the center of described interior sliding piece is provided with locating hole, center in described shell is also provided with the locating dowel through locating hole, eccentric position on described interior sliding piece is also provided with arc chute, the proximal end of described arc chute is provided with Hu Kou, the width of described Hu Kou is less than the butt diameter taking off post, taking off post of described the first linkage unit is inserted in arc chute, on described interior sliding piece, Hu Kou is with respect to being also provided with conductive pole on the opposite side of locating hole, on the shell inner side of the top and bottom of described conductive pole and bonnet inner side, be provided with conducting strip, described conductive pole contacts with the upper conducting strip arranging in bonnet inner side with shell inner side respectively, in described locating dowel, be also arranged with torsion spring, one end of described torsion spring is connected with interior sliding piece, and the other end of torsion spring contacts with the inwall of the shell wall of shell,
The bottom surface of described interior sliding piece contacts with the end face of described lock banking stop, is also provided with for spacing spacing preiection on the bottom surface of described interior sliding piece, and described lock banking stop is stuck in a side of spacing preiection.
Above-mentioned has interlock from the compatible type LED fluorescent tube that recovers turn-off function, it is characterized in that, described drive circuit comprises input protection circuit, current rectifying and wave filtering circuit, Switch power source driving control circuit, output rectifier and filter, input-signal judging circuit, interlock protection circuit and ON-OFF control circuit, input protection circuit is connected with current rectifying and wave filtering circuit and input-signal judging circuit respectively, and the output of input-signal judging circuit is connected with switching power source control circuit; The output of current rectifying and wave filtering circuit is connected with Switch power source driving control circuit; be connected with output rectifier and filter through transformer; the output of described ON-OFF control circuit is connected with Switch power source driving control circuit, and the output of Switch power source driving control circuit is connected with interlock protection circuit.
Above-mentioned has interlock from the compatible type LED fluorescent tube that recovers turn-off function, it is characterized in that, described input-signal judging circuit comprises signal input part, high pass attenuator circuit, current rectifying and wave filtering circuit and signal output part, described high pass attenuator circuit comprises capacitor C 25, capacitor C 26, resistance R 7 and resistance R 16, described current rectifying and wave filtering circuit comprises commutation diode D4, resistance R 13 and filter capacitor C1, the first end of described capacitor C 26 connects signal input part, the second end of capacitor C 26 connects another signal input part and is connected in simultaneously the first end of capacitor C 25, the first end of the second end contact resistance R7 of capacitor C 25, the first end of the second end difference contact resistance R16 of resistance R 7 and the anode of commutation diode D4, the negative electrode of commutation diode D4 connects signal output part, described filter capacitor C1 is connected signal output part with the first end of resistance R 13, the second end ground connection of filter capacitor C1 and resistance R 13.
Above-mentioned has interlock from the compatible type LED fluorescent tube that recovers turn-off function, it is characterized in that, described input-signal judging circuit comprises signal input part, high pass circuit, current rectifying and wave filtering circuit and signal output part; Described high pass circuit comprises capacitor C 2, capacitor C 4 and transformer T2; Described signal input part comprises input L end and input N end; Capacitor C 2 is connected between input L end and input N end; Input L end is connected with the different name end of transformer T2 armature winding, and input N end is connected with the Same Name of Ends of transformer T2 armature winding by capacitor C 4; Described current rectifying and wave filtering circuit comprises resistance R 18, capacitor C 3 and diode D1; The Same Name of Ends of transformer T2 secondary windings is connected with the negative electrode of diode D1, and the negative electrode of diode D1 is connected to equipotential end; The different name end of transformer T2 secondary windings is connected to the first end of capacitor C 3 by resistance R 18, the second end of capacitor C 3 is connected to be held; The first end of capacitor C 3 is described signal output part, and this signal output part is also connected to and is held by a drop-down resistance R 1.
Above-mentioned has interlock from the compatible type LED fluorescent tube that recovers turn-off function, it is characterized in that, described interlock protection circuit comprises switching tube Q2 and transistor Q1; The control utmost point of switching tube Q2 is connected with the signal output part of input-signal judging circuit; The minus earth of switching tube Q2; The anode of switching tube Q2 is connected with the negative electrode of a diode D16, and the anode of this diode D16 is connected to the Enable Pin EN of switch power source driving circuit by a resistance R 8; The control utmost point of switching tube Q2 is also by the parallel branch ground connection of a resistance R 16 and a capacitor C 1; The colelctor electrode of transistor Q1 is connected with the signal output part of input-signal judging circuit, the grounded emitter of transistor Q1; The base stage of transistor Q1 is connected to the negative electrode of a diode D1 by a resistance R 2, the anodic bonding of this diode D1 is to switch power source driving circuit power end VCC; The base stage of transistor Q1 is also by the parallel branch ground connection of a resistance R 61 and a capacitor C 6.
Above-mentioned has interlock from the compatible type LED fluorescent tube that recovers turn-off function, it is characterized in that, described interlock protection circuit comprises switching tube Q8 and switching tube Q7; The control utmost point of switching tube Q8 is connected to the signal output part of input-signal judging circuit by a resistance R 3; The anode of switching tube Q8 is connected with the negative electrode of a diode D2, and the anode of this diode D2 is connected to the Enable Pin EN of switch power source driving circuit by a resistance R 1; The negative electrode of switching tube Q8 is by resistance R 5 ground connection, and the control utmost point of switching tube Q8 is also by resistance R 4 ground connection; The anodic bonding of switching tube Q7, to the signal output part of input-signal judging circuit, opens the light and manages the minus earth of Q7; The control utmost point of switching tube Q7 is by resistance R 27 ground connection; The control utmost point of switching tube Q7 is also connected to the first end of a capacitor C 2 by a resistance R 12, the second end ground connection of this capacitor C 2; The first end of this capacitor C 2 is also connected to the anode of diode D2 by a resistance R 7.
Above-mentioned has interlock from the compatible type LED fluorescent tube that recovers turn-off function, it is characterized in that, described ON-OFF control circuit comprises switching tube Q2; The control utmost point of switching tube Q2 is connected with the signal output part of input-signal judging circuit; The minus earth of switching tube Q2; The anode of switching tube Q2 is connected with the negative electrode of a diode D15, and the anodic bonding of this diode D15 is to driver output negative terminal LED-; The control utmost point of switching tube Q2 is also by the parallel branch ground connection of a capacitor C 1 and a resistance R 13.
Above-mentioned has interlock from the compatible type LED fluorescent tube that recovers turn-off function, it is characterized in that, described ON-OFF control circuit comprises switching tube Q1 and controllable silicon Q3; The control utmost point of switching tube Q1 is connected with the signal output part of input-signal judging circuit by a resistance R 2, and the control utmost point of switching tube Q1 is also by resistance R 3 ground connection; The anode of switching tube Q1 is connected with the negative electrode of a diode D1, and the anodic bonding of this diode D1 is to driver output negative terminal LED-; The negative electrode of switching tube Q1 is by the parallel branch ground connection of resistance R 4, a resistance R 5 and a resistance R 31; The negative electrode of switching tube Q1 is also connected to the control utmost point of described controllable silicon Q3 by a resistance R 20, the control utmost point of this controllable silicon Q3 is also by capacitor C 2 ground connection; The anodic bonding of this controllable silicon Q3 is to driver output negative terminal LED-, the minus earth of this controllable silicon Q3.
There is the application process of interlock from the compatible type LED fluorescent tube of recovery turn-off function, it is characterized in that, comprise the following steps:
(1) when LED lamp tube body is not put on tube stand, the pressure of the first linkage unit is touched cap and is not pressed into interlock from recovering to turn-off in the shell of lamp holder, and the interior sliding piece of the second linkage unit is because the first linkage unit lock banking stop is interfered and cannot be stirred;
(2) when LED lamp tube body is placed into tube stand, interlock is subject to the pressure of tube stand to be pressed into interlock from recovering to turn-off in lamp holder from recovering to turn-off the tactile cap of the pressure exposing on lamp holder, the lock banking stop of the first linkage unit departs from the interference range of the spacing preiection of the interior sliding piece of the second linkage unit, the second linkage unit outer stirred to circulating application to be added external force and stirs, the butt end taking off post of the first linkage unit through arc chute also under external force, through arc chute, finally enter Hu Kou, reach stroke stop bit, external force cancel after because the width at Hu Kou place is less than the butt end taking off post, even if also cannot deviate from arc chute under the effect of torsion spring, at this moment conductive pole contacts with the upper conducting strip arranging in bonnet inner side with shell inner side,
(3) when the single-ended of LED lamp tube body or overallly deviate from from tube stand, because the power of the tactile cap of pressure of pushing down the first linkage unit is removed, take off post and resetted to lamp pin side by the effect of spring, the butt end taking off post shifts out arc chute, the taper end taking off post enters in arc chute, the diameter of the taper end taking off post is less than the width at Hu Kou place, interior sliding piece resets under the effect of torsion spring, the taper end taking off post enters arc chute through Hu Kou place start bit along arc chute, the upper conducting strip arranging in conductive pole and shell inner side and bonnet inner side departs from, automatically enter off state.
Beneficial effect of the present invention is: the safety issue that has solved the alternative conventional fluorescent of Novel LED lamp tube, on the two ends lamp holder at LED fluorescent tube, increase an outstanding structural member, this structural member is after LED fluorescent tube is installed on lamp bracket, tube stand can be compressed into lamp holder inside by bar structure part, thereby other one end is still in off-state after making LED fluorescent tube one end connect electricity, the danger that can not cause personnel to get an electric shock, one hand cannot make fluorescent tube connect conduction.Need to after connecting electricity simultaneously, two ends need Rotatable lamp holder switch to switch on.Fluorescent tube when lamp bracket is taken off, can be automatically restored to initial off-state, and therefore, the present invention has higher security with respect to traditional LED product.The present invention can realize especially electric ballast of compatible traditional fluorescent lamp ballast system.Solve current LED lamp and replaced the transformation problem of conventional fluorescent.In addition, LED fluorescent tube of the present invention, in the time replacing conventional fluorescent, need not destroy or revise original circuit, has saved greatly time and human cost.That the present invention also has is compatible strong, be easy to install, without changing the features such as safety.
Brief description of the drawings
Fig. 1 is overall structure schematic diagram of the present invention;
Fig. 2 is that interlock is from the perspective view of recovering to turn-off lamp holder;
Fig. 3 is that interlock is from the perspective view of recovering the other direction that turn-offs lamp holder;
Fig. 4 is that interlock is from recovering to turn-off lamp holder along the cutaway view on the vertical direction taking off post;
Fig. 5 is that interlock is from recovering to turn-off lamp holder along the cutaway view on the vertical direction of lamp pin;
Fig. 6 is the interior sliding piece place cutaway view of the second linkage unit;
Fig. 7 is the schematic diagram of drive circuit;
Fig. 8 is the schematic diagram of one of them embodiment of input-signal judging circuit;
Fig. 9 is the schematic diagram of another embodiment of input-signal judging circuit;
Figure 10 is the schematic diagram of one of them embodiment of interlock protection circuit;
Figure 11 is the schematic diagram of another embodiment of interlock protection circuit;
Figure 12 is the schematic diagram of one of them embodiment of ON-OFF control circuit;
Figure 13 is the schematic diagram of another embodiment of ON-OFF control circuit.
Detailed description of the invention
For making that architectural feature of the present invention and effect of reaching are had a better understanding and awareness, coordinate detailed explanation in order to preferred embodiment and accompanying drawing, be described as follows:
Referring to Fig. 1, Fig. 2 and Fig. 3, there is interlock from the compatible type LED fluorescent tube that recovers turn-off function, comprise LED lamp tube body 100, be installed on drive circuit 200, LED circuit plate and radiator in LED lamp tube body 100, be installed on LED lamp tube body 100 at least the interlock of one end from recovering to turn-off lamp holder 300, on LED circuit plate, be provided with LED lamp, interlock connects drive circuit 200 from recovering to turn-off lamp holder 300, and drive circuit 200 connects LED circuit plate.
Interlock is from the bonnet 320 of the openend that recovers to turn-off shell 310 that lamp holder 300 comprises an end opening one end sealing, is located at shell 310 and be arranged at the lamp pin 330 of shell 310 blind end outer top surface, also comprises the first linkage unit 340 and the second linkage unit 350;
Referring to Fig. 4, Fig. 5 and Fig. 6, the first linkage unit 340 comprises being arranged at and takes off post 341 in shell 310, take off post and 341 be divided into butt end 342 and taper end 343, the diameter of butt end 342 is greater than the diameter of taper end 343, also comprise the via hole 321 being arranged on bonnet 320 in shell 310, 341 the taper end 343 of taking off post is inserted in via hole 321, in 341 the taper end 343 of taking off post, be also provided with lock banking stop 344, taking off post between lock banking stop 344 and via hole 321 341 is outside equipped with spring and props up respectively lock banking stop 344 and bonnet 320, take off post 341 butt end 342 tops are provided with the pressure of stretching out shell 310 and touch cap 346,
The second linkage unit 350 comprises outer ring 351 and the interior sliding piece 352 stirred, stir outward between ring 351 and interior sliding piece 352 and be also provided with non-closed annular chute 353, the shell wall 311 of shell 310 snaps in non-closed annular chute 352, stir the outside that ring 351 is arranged at shell 310 outward, interior sliding piece 352 is arranged in shell 310, the center of interior sliding piece 352 is provided with locating hole 354, center in shell 310 is also provided with the locating dowel 356 through locating hole 354, eccentric position on interior sliding piece 352 is also provided with arc chute 357, the proximal end of arc chute 357 is provided with kettle mouth 358, the width of kettle mouth 358 is less than 341 butt end 342 diameters of taking off post, taking off post of the first linkage unit 340 341 is inserted in arc chute 357, on interior sliding piece 352, kettle mouth 358 is with respect to being also provided with conductive pole 359 on the opposite side of locating hole 354, on shell 310 inner sides of the top and bottom of conductive pole 359 and bonnet 320 inner sides, be provided with conducting strip 360, conductive pole 359 contacts with the conducting strip 360 arranging on shell 310 inner sides and bonnet 320 inner sides respectively, in locating dowel 356, be also provided with torsion spring (not shown), one end of torsion spring is connected with interior sliding piece 352, and the other end of torsion spring contacts with the inwall of the shell wall 311 of shell 310,
The bottom surface of interior sliding piece 352 contacts with the end face of lock banking stop 344, is also provided with for lock banking stop 344 is carried out to spacing spacing preiection 361 on the bottom surface of interior sliding piece 352, and lock banking stop 344 is stuck in a side of spacing preiection 361.
Referring to Fig. 7, drive circuit 200 comprises input protection circuit 210, current rectifying and wave filtering circuit 220, Switch power source driving control circuit 230, output rectifier and filter 240, input-signal judging circuit 250, interlock protection circuit 260 and ON-OFF control circuit 270, input protection circuit 210 is connected with current rectifying and wave filtering circuit 240 and input-signal judging circuit 250 respectively, and the output of input-signal judging circuit 250 is connected with switching power source control circuit 230; The output of current rectifying and wave filtering circuit 220 is connected with Switch power source driving control circuit 230; be connected with output rectifier and filter 240 through transformer; the output of ON-OFF control circuit 270 is connected with Switch power source driving control circuit 230, and the output of Switch power source driving control circuit 230 is connected with interlock protection circuit 260.
Referring to Fig. 8, input-signal judging circuit 250 comprises signal input part, high pass attenuator circuit, current rectifying and wave filtering circuit and signal output part, high pass attenuator circuit comprises capacitor C 25, capacitor C 26, resistance R 7 and resistance R 16, current rectifying and wave filtering circuit comprises commutation diode D4, resistance R 13 and filter capacitor C1, the first end of capacitor C 26 connects signal input part, the second end of capacitor C 26 connects another signal input part and is connected in simultaneously the first end of capacitor C 25, the first end of the second end contact resistance R7 of capacitor C 25, the first end of the second end difference contact resistance R16 of resistance R 7 and the anode of commutation diode D4, the negative electrode of commutation diode D4 connects signal output part, filter capacitor C1 is connected signal output part with the first end of resistance R 13, the second end ground connection of filter capacitor C1 and resistance R 13.
Referring to Fig. 9, in another embodiment of the present invention, input-signal judging circuit 250 comprises signal input part, high pass circuit, current rectifying and wave filtering circuit and signal output part; High pass circuit comprises capacitor C 2, capacitor C 4 and transformer T2; Signal input part comprises input L end and input N end; Capacitor C 2 is connected between input L end and input N end; Input L end is connected with the different name end of transformer T2 armature winding, and input N end is connected with the Same Name of Ends of transformer T2 armature winding by capacitor C 4; Current rectifying and wave filtering circuit comprises resistance R 18, capacitor C 3 and diode D1; The Same Name of Ends of transformer T2 secondary windings is connected with the negative electrode of diode D1, and the negative electrode of diode D1 is connected to equipotential end; The different name end of transformer T2 secondary windings is connected to the first end of capacitor C 3 by resistance R 18, the second end of capacitor C 3 is connected to be held; The first end of capacitor C 3 is described signal output part, and this signal output part is also connected to and is held by a drop-down resistance R 1.
Referring to Figure 10, interlock protection circuit 260 comprises switching tube Q2 and transistor Q1; The control utmost point of switching tube Q2 is connected with the signal output part of input-signal judging circuit; The minus earth of switching tube Q2; The anode of switching tube Q2 is connected with the negative electrode of a diode D16, and the anode of this diode D16 is connected to the Enable Pin EN of switch power source driving circuit by a resistance R 8; The control utmost point of switching tube Q2 is also by the parallel branch ground connection of a resistance R 16 and a capacitor C 1; The colelctor electrode of transistor Q1 is connected with the signal output part of input-signal judging circuit, the grounded emitter of transistor Q1; The base stage of transistor Q1 is connected to the negative electrode of a diode D1 by a resistance R 2, the anodic bonding of this diode D1 is to switch power source driving circuit power end VCC; The base stage of transistor Q1 is also by the parallel branch ground connection of a resistance R 61 and a capacitor C 6.
Referring to Figure 11, in another embodiment of the present invention, interlock protection circuit 26 comprises switching tube Q8 and switching tube Q7; The control utmost point of switching tube Q8 is connected to the signal output part of input-signal judging circuit by a resistance R 3; The anode of switching tube Q8 is connected with the negative electrode of a diode D2, and the anode of this diode D2 is connected to the Enable Pin EN of switch power source driving circuit by a resistance R 1; The negative electrode of switching tube Q8 is by resistance R 5 ground connection, and the control utmost point of switching tube Q8 is also by resistance R 4 ground connection; The anodic bonding of switching tube Q7, to the signal output part of input-signal judging circuit, opens the light and manages the minus earth of Q7; The control utmost point of switching tube Q7 is by resistance R 27 ground connection; The control utmost point of switching tube Q7 is also connected to the first end of a capacitor C 2 by a resistance R 12, the second end ground connection of this capacitor C 2; The first end of this capacitor C 2 is also connected to the anode of diode D2 by a resistance R 7.
Referring to Figure 12, ON-OFF control circuit 270 comprises switching tube Q2; The control utmost point of switching tube Q2 is connected with the signal output part of input-signal judging circuit; The minus earth of switching tube Q2; The anode of switching tube Q2 is connected with the negative electrode of a diode D15, and the anodic bonding of this diode D15 is to driver output negative terminal LED-; The control utmost point of switching tube Q2 is also by the parallel branch ground connection of a capacitor C 1 and a resistance R 13.
Referring to Figure 13, in another embodiment of the present invention, ON-OFF control circuit 270 comprises switching tube Q1 and controllable silicon Q3; The control utmost point of switching tube Q1 is connected with the signal output part of input-signal judging circuit by a resistance R 2, and the control utmost point of switching tube Q1 is also by resistance R 3 ground connection; The anode of switching tube Q1 is connected with the negative electrode of a diode D1, and the anodic bonding of this diode D1 is to driver output negative terminal LED-; The negative electrode of switching tube Q1 is by the parallel branch ground connection of resistance R 4, a resistance R 5 and a resistance R 31; The negative electrode of switching tube Q1 is also connected to the control utmost point of described controllable silicon Q3 by a resistance R 20, the control utmost point of this controllable silicon Q3 is also by capacitor C 2 ground connection; The anodic bonding of this controllable silicon Q3 is to driver output negative terminal LED-, the minus earth of this controllable silicon Q3.
There is the application process of interlock from the compatible type LED fluorescent tube of recovery turn-off function, comprise the following steps:
(1) when LED lamp tube body 100 is not put on tube stand, the pressure of the first linkage unit 340 is touched cap 346 and is not pressed into interlock from recovering to turn-off in the shell 310 of lamp holder 300, and the interior sliding piece 352 of the second linkage unit 350 is because the lock banking stop 344 of the first linkage unit 340 is interfered and cannot be stirred;
(2) when LED lamp tube body 100 is placed into tube stand, interlock is subject to the pressure of tube stand to be pressed into interlock from recovering to turn-off in the shell 310 of lamp holder 300 from recovering to turn-off the tactile cap 346 of the pressure exposing on lamp holder 300, the lock banking stop 344 of the first linkage unit 340 departs from the interference range of the spacing preiection 361 of the interior sliding piece 352 of the second linkage unit 350, the second linkage unit 350 outer stirred to ring 351 to be applied external force and stirs, 341 the butt end 342 that takes off post of the first linkage unit 340 through arc chutes 357 and under external force, through arc chute 357, finally enter kettle mouth 358, reach stroke stop bit, external force cancel after because the width at kettle mouth 358 places is less than 341 the butt end 342 of taking off post, enter arc chute 357 even if also cannot deviate from kettle mouth 358 under the effect of torsion spring, at this moment conductive pole 359 and shell 310 inner sides contact with the conducting strip 360 arranging on bonnet 320 inner sides,
(3) when the single-ended of LED lamp tube body 100 or overallly deviate from from tube stand, because the power of the tactile cap 346 of pressure of pushing down the first linkage unit 340 is removed, take off post and 341 resetted to lamp pin 330 sides by the effect of spring, 341 the butt end 342 of taking off post shifts out arc chute 357, 341 the taper end 343 of taking off post enters in arc chute 357, the diameter of 341 the taper end 343 of taking off post is less than the width at kettle mouth 358 places, interior sliding piece 352 resets under the effect of torsion spring, 341 the taper end of taking off post 343 enters arc chute 357 through kettle mouth 358 places start bit along arc chute 357, the conducting strip 360 arranging on conductive pole 359 and shell 310 inner sides and bonnet 320 inner sides departs from, automatically enter off state.
Beneficial effect of the present invention is: the safety issue that has solved the alternative conventional fluorescent of Novel LED lamp tube, on the two ends lamp holder at LED fluorescent tube, increase an outstanding structural member, this structural member is after LED fluorescent tube is installed on lamp bracket, tube stand can be compressed into lamp holder inside by bar structure part, thereby other one end is still in off-state after making LED fluorescent tube one end connect electricity, the danger that can not cause personnel to get an electric shock, one hand cannot make fluorescent tube connect conduction.Need to after connecting electricity simultaneously, two ends need Rotatable lamp holder switch to switch on.Fluorescent tube when lamp bracket is taken off, can be automatically restored to initial off-state, and therefore, the present invention has higher security with respect to traditional LED product.The present invention can realize especially electric ballast of compatible traditional fluorescent lamp ballast system.Solve current LED lamp and replaced the transformation problem of conventional fluorescent.In addition, LED fluorescent tube of the present invention, in the time replacing conventional fluorescent, need not destroy or revise original circuit, has saved greatly time and human cost.That the present invention also has is compatible strong, be easy to install, without changing the features such as safety.
More than show and described general principle of the present invention, principal character and advantage of the present invention.The technical staff of the industry should understand; the present invention is not restricted to the described embodiments; what in above-described embodiment and description, describe is principle of the present invention; the present invention also has various changes and modifications without departing from the spirit and scope of the present invention, and these changes and improvements all fall in claimed scope of the present invention.The protection domain that the present invention requires is defined by appending claims and equivalent thereof.
Claims (9)
1. there is interlock from the compatible type LED fluorescent tube that recovers turn-off function, comprise LED lamp tube body, be installed on drive circuit, LED circuit plate and radiator in LED lamp tube body, be installed on LED lamp tube body at least the interlock of one end from recovering to turn-off lamp holder, on described LED circuit plate, be provided with LED lamp, described interlock connects drive circuit from recovering to turn-off lamp holder, described drive circuit connects LED circuit plate, it is characterized in that
Described interlock is from the bonnet of the openend that recovers to turn-off shell that lamp holder comprises an end opening one end sealing, is located at shell and be arranged at the lamp pin of closed termination of outer cover outer top surface, also comprises the first linkage unit and the second linkage unit;
Described the first linkage unit comprises and is arranged at taking off post in shell, described taking off post is divided into butt end and taper end, the diameter of described butt end is greater than the diameter of taper end, also comprise the via hole being arranged on bonnet in shell, the described taper end taking off post is inserted in via hole, in the described taper end taking off post, be also provided with lock banking stop, taking off post between described lock banking stop and via hole is outside equipped with spring and props up respectively lock banking stop and bonnet, described in the butt end top that takes off post be provided with the pressure of stretching out shell and touch cap;
Described the second linkage unit comprises outer ring and the interior sliding piece stirred, described outer stirring between ring and interior sliding piece is also provided with non-closed annular chute, the shell wall of described shell snaps in non-closed annular chute, described outer stirring encircled the outside that is arranged at shell, described interior sliding piece is arranged in shell, the center of described interior sliding piece is provided with locating hole, center in described shell is also provided with the locating dowel through locating hole, eccentric position on described interior sliding piece is also provided with arc chute, the proximal end of described arc chute is provided with Hu Kou, the width of described Hu Kou is less than the butt diameter taking off post, taking off post of described the first linkage unit is inserted in arc chute, on described interior sliding piece, Hu Kou is with respect to being also provided with conductive pole on the opposite side of locating hole, on the shell inner side of the top and bottom of described conductive pole and bonnet inner side, be provided with conducting strip, described conductive pole contacts with the upper conducting strip arranging in bonnet inner side with shell inner side respectively, in described locating dowel, be also arranged with torsion spring, one end of described torsion spring is connected with interior sliding piece, and the other end of torsion spring contacts with the inwall of the shell wall of shell,
The bottom surface of described interior sliding piece contacts with the end face of described lock banking stop, is also provided with for spacing spacing preiection on the bottom surface of described interior sliding piece, and described lock banking stop is stuck in a side of spacing preiection.
2. according to claim 1 have interlock from the compatible type LED fluorescent tube that recovers turn-off function, it is characterized in that, described drive circuit comprises input protection circuit, current rectifying and wave filtering circuit, Switch power source driving control circuit, output rectifier and filter, input-signal judging circuit, interlock protection circuit and ON-OFF control circuit, input protection circuit is connected with current rectifying and wave filtering circuit and input-signal judging circuit respectively, and the output of input-signal judging circuit is connected with switching power source control circuit; The output of current rectifying and wave filtering circuit is connected with Switch power source driving control circuit; be connected with output rectifier and filter through transformer; the output of described ON-OFF control circuit is connected with Switch power source driving control circuit, and the output of Switch power source driving control circuit is connected with interlock protection circuit.
3. according to claim 2 have interlock from the compatible type LED fluorescent tube that recovers turn-off function, it is characterized in that, described input-signal judging circuit comprises signal input part, high pass attenuator circuit, current rectifying and wave filtering circuit and signal output part, described high pass attenuator circuit comprises capacitor C 25, capacitor C 26, resistance R 7 and resistance R 16, described current rectifying and wave filtering circuit comprises commutation diode D4, resistance R 13 and filter capacitor C1, the first end of described capacitor C 26 connects signal input part, the second end of capacitor C 26 connects another signal input part and is connected in simultaneously the first end of capacitor C 25, the first end of the second end contact resistance R7 of capacitor C 25, the first end of the second end difference contact resistance R16 of resistance R 7 and the anode of commutation diode D4, the negative electrode of commutation diode D4 connects signal output part, described filter capacitor C1 is connected signal output part with the first end of resistance R 13, the second end ground connection of filter capacitor C1 and resistance R 13.
4. according to claim 2 have interlock from the compatible type LED fluorescent tube that recovers turn-off function, it is characterized in that, described input-signal judging circuit comprises signal input part, high pass circuit, current rectifying and wave filtering circuit and signal output part; Described high pass circuit comprises capacitor C 2, capacitor C 4 and transformer T2; Described signal input part comprises input L end and input N end; Capacitor C 2 is connected between input L end and input N end; Input L end is connected with the different name end of transformer T2 armature winding, and input N end is connected with the Same Name of Ends of transformer T2 armature winding by capacitor C 4; Described current rectifying and wave filtering circuit comprises resistance R 18, capacitor C 3 and diode D1; The Same Name of Ends of transformer T2 secondary windings is connected with the negative electrode of diode D1, and the negative electrode of diode D1 is connected to equipotential end; The different name end of transformer T2 secondary windings is connected to the first end of capacitor C 3 by resistance R 18, the second end of capacitor C 3 is connected to be held; The first end of capacitor C 3 is described signal output part, and this signal output part is also connected to and is held by a drop-down resistance R 1.
5. according to claim 2 have interlock from the compatible type LED fluorescent tube that recovers turn-off function, it is characterized in that, described interlock protection circuit comprises switching tube Q2 and transistor Q1; The control utmost point of switching tube Q2 is connected with the signal output part of input-signal judging circuit; The minus earth of switching tube Q2; The anode of switching tube Q2 is connected with the negative electrode of a diode D16, and the anode of this diode D16 is connected to the Enable Pin EN of switch power source driving circuit by a resistance R 8; The control utmost point of switching tube Q2 is also by the parallel branch ground connection of a resistance R 16 and a capacitor C 1; The colelctor electrode of transistor Q1 is connected with the signal output part of input-signal judging circuit, the grounded emitter of transistor Q1; The base stage of transistor Q1 is connected to the negative electrode of a diode D1 by a resistance R 2, the anodic bonding of this diode D1 is to switch power source driving circuit power end VCC; The base stage of transistor Q1 is also by the parallel branch ground connection of a resistance R 61 and a capacitor C 6.
6. according to claim 2 have interlock from the compatible type LED fluorescent tube that recovers turn-off function, it is characterized in that, described interlock protection circuit comprises switching tube Q8 and switching tube Q7; The control utmost point of switching tube Q8 is connected to the signal output part of input-signal judging circuit by a resistance R 3; The anode of switching tube Q8 is connected with the negative electrode of a diode D2, and the anode of this diode D2 is connected to the Enable Pin EN of switch power source driving circuit by a resistance R 1; The negative electrode of switching tube Q8 is by resistance R 5 ground connection, and the control utmost point of switching tube Q8 is also by resistance R 4 ground connection; The anodic bonding of switching tube Q7, to the signal output part of input-signal judging circuit, opens the light and manages the minus earth of Q7; The control utmost point of switching tube Q7 is by resistance R 27 ground connection; The control utmost point of switching tube Q7 is also connected to the first end of a capacitor C 2 by a resistance R 12, the second end ground connection of this capacitor C 2; The first end of this capacitor C 2 is also connected to the anode of diode D2 by a resistance R 7.
7. according to claim 2 have interlock from the compatible type LED fluorescent tube that recovers turn-off function, it is characterized in that, described ON-OFF control circuit comprises switching tube Q2; The control utmost point of switching tube Q2 is connected with the signal output part of input-signal judging circuit; The minus earth of switching tube Q2; The anode of switching tube Q2 is connected with the negative electrode of a diode D15, and the anodic bonding of this diode D15 is to driver output negative terminal LED-; The control utmost point of switching tube Q2 is also by the parallel branch ground connection of a capacitor C 1 and a resistance R 13.
8. according to claim 2 have interlock from the compatible type LED fluorescent tube that recovers turn-off function, it is characterized in that, described ON-OFF control circuit comprises switching tube Q1 and controllable silicon Q3; The control utmost point of switching tube Q1 is connected with the signal output part of input-signal judging circuit by a resistance R 2, and the control utmost point of switching tube Q1 is also by resistance R 3 ground connection; The anode of switching tube Q1 is connected with the negative electrode of a diode D1, and the anodic bonding of this diode D1 is to driver output negative terminal LED-; The negative electrode of switching tube Q1 is by the parallel branch ground connection of resistance R 4, a resistance R 5 and a resistance R 31; The negative electrode of switching tube Q1 is also connected to the control utmost point of described controllable silicon Q3 by a resistance R 20, the control utmost point of this controllable silicon Q3 is also by capacitor C 2 ground connection; The anodic bonding of this controllable silicon Q3 is to driver output negative terminal LED-, the minus earth of this controllable silicon Q3.
9. there is the application process of interlock from the compatible type LED fluorescent tube of recovery turn-off function, it is characterized in that, comprise the following steps:
(1) when LED lamp tube body is not put on tube stand, the pressure of the first linkage unit is touched cap and is not pressed into interlock from recovering to turn-off in the shell of lamp holder, and the interior sliding piece of the second linkage unit is because the first linkage unit lock banking stop is interfered and cannot be stirred;
(2) when LED lamp tube body is placed into tube stand, interlock is subject to the pressure of tube stand to be pressed into interlock from recovering to turn-off in lamp holder from recovering to turn-off the tactile cap of the pressure exposing on lamp holder, the lock banking stop of the first linkage unit departs from the interference range of the spacing preiection of the interior sliding piece of the second linkage unit, the second linkage unit outer stirred to circulating application to be added external force and stirs, the butt end taking off post of the first linkage unit through arc chute also under external force, through arc chute, finally enter Hu Kou, reach stroke stop bit, external force cancel after because the width at Hu Kou place is less than the butt end taking off post, even if also cannot deviate from arc chute under the effect of torsion spring, at this moment conductive pole contacts with the upper conducting strip arranging in bonnet inner side with shell inner side,
(3) when the single-ended of LED lamp tube body or overallly deviate from from tube stand, because the power of the tactile cap of pressure of pushing down the first linkage unit is removed, take off post and resetted to lamp pin side by the effect of spring, the butt end taking off post shifts out arc chute, the taper end taking off post enters in arc chute, the diameter of the taper end taking off post is less than the width at Hu Kou place, interior sliding piece resets under the effect of torsion spring, the taper end taking off post enters arc chute through Hu Kou place start bit along arc chute, the upper conducting strip arranging in conductive pole and shell inner side and bonnet inner side departs from, automatically enter off state.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410182337.9A CN103968285B (en) | 2014-04-30 | 2014-04-30 | There is compatible type LED lamp tube and the application process of linkage self-recoverage turn-off function |
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| CN201410182337.9A CN103968285B (en) | 2014-04-30 | 2014-04-30 | There is compatible type LED lamp tube and the application process of linkage self-recoverage turn-off function |
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| CN103968285A true CN103968285A (en) | 2014-08-06 |
| CN103968285B CN103968285B (en) | 2016-09-07 |
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