CN204442771U - Safety switching apparatus, general-purpose type light-emitting diode lamp tube and power-supply system thereof - Google Patents
Safety switching apparatus, general-purpose type light-emitting diode lamp tube and power-supply system thereof Download PDFInfo
- Publication number
- CN204442771U CN204442771U CN201520098883.4U CN201520098883U CN204442771U CN 204442771 U CN204442771 U CN 204442771U CN 201520098883 U CN201520098883 U CN 201520098883U CN 204442771 U CN204442771 U CN 204442771U
- Authority
- CN
- China
- Prior art keywords
- emitting diode
- light
- connects
- general
- external power
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000001914 filtration Methods 0.000 claims description 25
- 238000001514 detection method Methods 0.000 claims description 23
- 238000012423 maintenance Methods 0.000 claims description 8
- 238000010586 diagram Methods 0.000 description 24
- 238000013461 design Methods 0.000 description 9
- 230000001629 suppression Effects 0.000 description 9
- 230000008859 change Effects 0.000 description 4
- 239000003990 capacitor Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 230000001052 transient effect Effects 0.000 description 2
- 239000003112 inhibitor Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000011022 operating instruction Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000011112 process operation Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000012876 topography Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
Abstract
The utility model discloses a kind of safety switching apparatus, general-purpose type light-emitting diode lamp tube and power-supply system thereof, wherein, general-purpose type light-emitting diode lamp tube comprises a light-emitting diode light bar, a power supply change-over device and a safety switching apparatus.This power supply change-over device changes an external power source to provide the driving power needed for this light-emitting diode light bar.This safety switching apparatus connects this light-emitting diode light bar and this power supply change-over device.When this external power source is powered for this light-emitting diode light bar, after guaranteeing the switch module conducting in this safety switching apparatus, this external power source drives this light-emitting diode light bar shinny.
Description
Technical field
The utility model relates to a kind of light-emitting diode lamp tube and the power-supply system thereof with safety switch mechanism, espespecially a kind of safety switching apparatus, has the general-purpose type light-emitting diode lamp tube of this safety switching apparatus and the power-supply system of this fluorescent tube.
Background technology
At the installation and removal process operation of light-emitting diode lamp tube, when this light-emitting diode lamp tube one end is installed up to corresponding lamp socket by user, easily because user holds this light-emitting diode lamp tube other end and false touch of conducting electricity simultaneously, so the personal safety of user will be had a strong impact on.
In addition, existing light-emitting diode lamp tube is applicable to the lamp socket power supply of dissimilar, different electric pressure usually respectively, such as inductance type ballast or electronic ballast, even the lamp socket of ballast-free (noneballast) uses, user needs to buy more different light-emitting diode lamp tubes, different lamp socket power supplys can be suitable for, so not only will increase outside extra-pay, also lower practicality and the convenience of use.
Therefore; how to design a kind of safety switching apparatus, there is the power-supply system of the general-purpose type light-emitting diode lamp tube of this safety switching apparatus and this fluorescent tube; to realize the safeguard protection of electroshock-proof function, the convenience improving operation and practicality; and saving design cost, by this case utility model people wish row overcome and solve one large problem.
Utility model content
An object of the present utility model is to provide a kind of safety switching apparatus, to overcome the problems of the prior art.This safety switching apparatus connects a light-emitting diode light bar and a power supply change-over device.This power supply change-over device changes an external power source to provide the driving power needed for this light-emitting diode light bar.This safety switching apparatus comprises a switch module, a full-bridge converting unit, circuits for triggering, a start-up capacitance and a bypass diodes.This switch module has a first end, one second end and a trigger end.This full-bridge converting unit has one first power end, a second source end, one first output and one second output; Wherein this first output connects this second end of this switch module, and this second output connects this first end of this switch module, and this first power end connects this light-emitting diode light bar.These circuits for triggering at least comprise a diode, a transformer and triggers and maintains unit.This diode has an anode tap and a cathode terminal.This transformer has one first primary side, one second primary side, one first secondary end and a second subprime end; Wherein this first primary side connects this second source end, and this second primary side connects this external power source, and this second subprime end connects this anode tap.This triggering maintains this second end and this trigger end that unit connects this first secondary end, this cathode terminal and this switch module.This start-up capacitance has a first end and one second end; Wherein this first end connects this first power end of this full-bridge converting unit, and this second end connects this second source end of this full-bridge converting unit and this first primary side of this transformer, to form one first branch road.This bypass diodes has an anode tap and a cathode terminal; Wherein this anode tap connects this second output of this full-bridge converting unit, and this cathode terminal connects this first end of this switch module, to form one second branch road.Wherein when this external power source is powered for this light-emitting diode light bar, this triggering maintenance unit produces the triggering voltage needed for this switch module, and after guaranteeing this switch module conducting, this external power source drives this light-emitting diode light bar shinny.
Another object of the present utility model is to provide a kind of general-purpose type light-emitting diode lamp tube, to overcome the problems of the prior art.This general-purpose type light-emitting diode lamp tube comprises a light-emitting diode light bar, a power supply change-over device and a safety switching apparatus.This power supply change-over device is for changing an external power source to provide the driving power needed for this light-emitting diode light bar.This safety switching apparatus connects this light-emitting diode light bar and this power supply change-over device.This safety switching apparatus comprises a switch module, a full-bridge converting unit, circuits for triggering, a start-up capacitance and a bypass diodes.This switch module has a first end, one second end and a trigger end.This full-bridge converting unit has one first power end, a second source end, one first output and one second output; Wherein this first output connects this second end of this switch module, and this second output connects this first end of this switch module, and this first power end connects this light-emitting diode light bar.These circuits for triggering at least comprise a diode, a transformer and triggers and maintains unit.This diode has an anode tap and a cathode terminal.This transformer has one first primary side, one second primary side, one first secondary end and a second subprime end; Wherein this first primary side connects this second source end, and this second primary side connects this external power source, and this second subprime end connects this anode tap.This triggering maintains this second end and this trigger end that unit connects this first secondary end, this cathode terminal and this switch module.This start-up capacitance has a first end and one second end; Wherein this first end connects this first power end of this full-bridge converting unit, and this second end connects this second source end of this full-bridge converting unit and this first primary side of this transformer, to form one first branch road.This bypass diodes has an anode tap and a cathode terminal; Wherein this anode tap connects this second output of this full-bridge converting unit, and this cathode terminal connects this first end of this switch module, to form one second branch road; Wherein when this external power source is powered for this light-emitting diode light bar, this triggering maintenance unit produces the triggering voltage needed for this switch module, and after guaranteeing this switch module conducting, this external power source drives this light-emitting diode light bar shinny.
Another object more of the present utility model is the power-supply system providing a kind of general-purpose type light-emitting diode lamp tube, to overcome the problems of the prior art.The power-supply system of this general-purpose type light-emitting diode lamp tube comprises a lamp socket and a general-purpose type light-emitting diode lamp tube.This lamp socket provides an external power source.This general-purpose type light-emitting diode lamp tube has one first side first end, one first side the second end, one second side first end and one second side the second end, is connected on this lamp socket by this first side first end, this first side the second end, this second side first end and this second side the second end group.This general-purpose type light-emitting diode lamp tube comprises a light-emitting diode light bar and a safety switching apparatus.This power supply change-over device is for changing this external power source to provide the driving power needed for this light-emitting diode light bar.This safety switching apparatus connects this light-emitting diode light bar and this power supply change-over device.This safety switching apparatus comprises a switch module, a full-bridge converting unit, circuits for triggering, a start-up capacitance and a bypass diodes.This switch module has a first end, one second end and a trigger end.This full-bridge converting unit has one first power end, a second source end, one first output and one second output; Wherein this first output connects this second end of this switch module, and this second output connects this first end of this switch module, and this first power end connects this light-emitting diode light bar.These circuits for triggering at least comprise a diode, a transformer and triggers and maintains unit.This diode has an anode tap and a cathode terminal.This transformer has one first primary side, one second primary side, one first secondary end and a second subprime end; Wherein this first primary side connects this second source end, and this second primary side connects this external power source, and this second subprime end connects this anode tap.This triggering maintains this second end and this trigger end that unit connects this first secondary end, this cathode terminal and this switch module.This start-up capacitance has a first end and one second end; Wherein this first end connects this first power end of this full-bridge converting unit, and this second end connects this second source end of this full-bridge converting unit and this first primary side of this transformer, to form one first branch road.This bypass diodes has an anode tap and a cathode terminal; Wherein this anode tap connects this second output of this full-bridge converting unit, and this cathode terminal connects this first end of this switch module, to form one second branch road; Wherein when this general-purpose type light-emitting diode lamp tube group is connected on this lamp socket, and this external power source for this light-emitting diode light bar power time, this triggering maintenance unit produces the triggering voltage needed for this switch module, after guaranteeing this switch module conducting, this external power source drives this light-emitting diode light bar shinny.
In order to technology, means and effect that the utility model is taked for reaching predetermined object further can be understood, refer to following about detailed description of the present utility model and accompanying drawing, believe the purpose of this utility model, feature and feature, go deep into and concrete understanding when one can be obtained thus, but institute's accompanying drawings only provides reference and explanation use, is not used for being limited the utility model.
Accompanying drawing explanation
Fig. 1 is the circuit block diagram that the utility model one safety switching apparatus is applied to light-emitting diode lamp tube;
Fig. 2 is the circuit block diagram of this safety switching apparatus of the utility model;
Fig. 3 is the circuit block diagram of this safety switching apparatus first embodiment of the utility model;
Fig. 4 is the operation chart of this safety switching apparatus first embodiment of the utility model;
Fig. 5 is the circuit block diagram of this safety switching apparatus second embodiment of the utility model;
Fig. 6 is the schematic diagram of the utility model one general-purpose type light-emitting diode lamp tube;
Fig. 7 is the circuit block diagram of the utility model one power supply change-over device;
Fig. 8 is the operation chart of this power supply change-over device first embodiment of the utility model;
Fig. 9 is the operation chart of this power supply change-over device second embodiment of the utility model;
Figure 10 is the detailed circuit calcspar of this power supply change-over device of the utility model;
Figure 11 is the schematic diagram of this general-purpose type light-emitting diode lamp tube first Application Example of the utility model;
Figure 12 is the schematic diagram of this general-purpose type light-emitting diode lamp tube second Application Example of the utility model;
Figure 13 is the schematic diagram of this general-purpose type light-emitting diode lamp tube the 3rd Application Example of the utility model;
Figure 14 is the schematic diagram of this general-purpose type light-emitting diode lamp tube the 4th Application Example of the utility model;
Figure 15 is the circuit diagram of the virtual filament of the utility model one electronic type;
Figure 16 is the detailed circuit diagram of this general-purpose type light-emitting diode lamp tube of the utility model.
Description of reference numerals: Vx-external power source; 10-general-purpose type light-emitting diode lamp tube; 1-safety switching apparatus; 2-light-emitting diode light bar; 3-power supply change-over device; The virtual heater chain of 4-; 11-switch module; 12-full-bridge converting unit; 13-circuits for triggering; 14-start-up capacitance; 15-bypass diodes; 16-voltage suppression diode; 20-electronic ballast; 30-inductance type ballast; 31-short-circuit component; 32-current rectifying and wave filtering circuit; 34-DC-DC converting circuit; 36-frequency selective network; 362-transistor switch; 41-Detection capacitance; 42-detects resistance; 111-first end; 112-second end; 113-trigger end; 121-first power end; 122-second source end; 123-first output; 124-second output; 131-diode; 132-transformer; 133-triggers and maintains unit; 1331-resistance; 1332-electric capacity; R
f-filter resistance; C
f-filter capacitor; 141-first end; 142-second end; 151-anode tap; 152-cathode terminal; 161-first end; 162-second end; P1-first primary side; P2-second primary side; S1-first secondary end; S2-second subprime end; CON1-first side first end; CON2-first side the second end; CON3-second side first end; CON4-second side the second end; Br1-first branch road; Br2-second branch road; Lp1-first path; Lp2-second path; Lp3-first high frequency current supply circuit; Lp4-second high frequency current supply circuit; Lp5-first low frequency power supply loop; Lp6-second low frequency power supply loop.
Embodiment
Now by relevant the utility model the technical content and a detailed description, coordinate graphic being described as follows.
Referring to Fig. 1 is the circuit block diagram that the utility model one safety switching apparatus is applied to light-emitting diode lamp tube.This safety switching apparatus 1 connects a light-emitting diode light bar (LED light bar) 2 and a power supply change-over device 3.Wherein this light-emitting diode light bar 2 has multiple light-emitting diodes tube particle (LEDs, thereafter light-emitting diode is called for short), the plurality of light-emitting diode can be series, parallel or connection in series-parallel framework, be able to practical application request design, therefore the electrical connection of the plurality of light-emitting diode, non-to be used for limiting technical characteristic of the present utility model.
Specifically, the circuit framework that this power supply change-over device 3, this light-emitting diode light bar 2 and this safety switching apparatus 1 are formed is installed in a fluorescent tube (being detailed later), and this lamp tube ends is installed in a lamp socket, powered by an external power source Vx, to drive the plurality of light-emitting diode on this light-emitting diode light bar 2 shinny.In addition, this light-emitting diode lamp tube of the utility model also comprises a virtual heater chain 4.Operating principle as this virtual heater chain 4 will in having detailed description hereinafter.
Refer to the detailed circuit diagram that Figure 16 is this light-emitting diode lamp tube power supply of the utility model.Figure 16 discloses the complete circuit framework of this safety switching apparatus 1 in this light-emitting diode lamp tube of the utility model, this light-emitting diode light bar 2, this power supply change-over device 3 and this virtual heater chain 4, by the both side ends CON1 of this light-emitting diode lamp tube ~ CON4 is installed on lamp socket, this fluorescent tube can be started and use.
Integral luminous diode lamp tube design of the present utility model, the function that can reach is as follows:
1, no matter this light-emitting diode lamp tube is electronic ballast fluorescent tube, inductance type ballast fluorescent tube or ballast-free fluorescent tube, all under the situation not changing line architecture, directly can replace this fluorescent tube and use;
2, provide this safety switching apparatus 1 by this light-emitting diode lamp tube, reach the fail safe of guaranteeing to install hot line job, to meet international safety standard requirement.Graphic explanation will be coordinated in hereinafter specification as above-mentioned functions.
Refer to the circuit block diagram that Fig. 2 is this safety switching apparatus of the utility model.This safety switching apparatus 1 connects light-emitting diode light bar 2 and a power supply change-over device 3.This power supply change-over device 3 changes an external power source Vx, to provide the driving power needed for this light-emitting diode light bar 2.This safety switching apparatus 1 comprises switch module 11, full-bridge converting unit 12 and circuits for triggering 13.
This switch module 11 has first end 111,1 second end 112 and a trigger end 113.This full-bridge converting unit 12 has one first power end 121, second source end 122,1 first output 123 and one second output 124.Wherein this first output 123 connects this second end 112 of this switch module 11, and this second output 124 connects this first end 111 of this switch module 11, and this first power end 121 connects this light-emitting diode light bar 2.
These circuits for triggering 13 at least comprise diode 131, transformer 132 and and trigger maintenance unit 133.This diode 131 has an anode tap and a cathode terminal.Wherein this transformer 132 is essentially a HF current transformer.This transformer 132 has one first primary side P1, one second primary side P2, one first secondary end S1 and a second subprime end S2.Wherein this first primary side P1 connects this second source end 122, and this second primary side P2 connects this external power source Vx, and this second subprime end S2 connects this anode tap.This triggering maintains this second end 112 and this trigger end 113 that unit 133 connects this first secondary end S1, this cathode terminal and this switch module 11.Wherein when this external power source Vx powers for this light-emitting diode light bar 2, this triggering maintains unit 133 and produces this triggering voltage needed for switch module 11, and after guaranteeing this switch module 11 conducting, this external power source Vx drives this light-emitting diode light bar 2 shinny.In other words, in the loop of this safety switching apparatus above-mentioned, first by high-frequency current trigger this switch module 11 conducting closed after, then keep the electric current of this HF current transformer further, with realize this safety switching apparatus 1 the function guaranteeing the fail safe of installing hot line job is provided.
By this, the operation of this light-emitting diode lamp tube is applied to by this safety switching apparatus 1, after guaranteeing that this light-emitting diode lamp tube is plugged to lamp socket completely, the just meeting conducting of this switch module 11, and then this external power source Vx drives light-emitting diode light bar 2 luminous, so, user can be prevented in the situation of installing this light-emitting diode lamp tube generation electric shock, to guarantee the personal safety of user.Be applied to the operation of this light-emitting diode lamp tube as this safety switching apparatus 1, detailed description will be had below.
Refer to the circuit block diagram that Fig. 3 is this safety switching apparatus first embodiment of the utility model.In a first embodiment, this safety switching apparatus 1, except comprising this switch module 11 aforementioned, this full-bridge converting unit 12 and this circuits for triggering 13, also comprises start-up capacitance 14 and a bypass diodes 15.Wherein, the capacitance of this start-up capacitance 14 is between 470 × 10-12 farad to 2.2 × 10-9 farad.
This start-up capacitance 14 has first end 141 and one second end 142.Wherein this first end 141 connects this first power end 121 of this full-bridge converting unit 12, and this second end 142 connects this second source end 122 of this full-bridge converting unit 12 and this first primary side P1 of this transformer 132, to form one first branch road Br1.This bypass diodes 15 has anode tap 151 and a cathode terminal 152.Wherein this anode tap 151 connects this second output 124 of this full-bridge converting unit 12, and this cathode terminal 152 connects this first end 111 of this switch module 11, to form one second branch road Br2.
In the present embodiment, this switch module 11 comprises at least one switch element, and at least this switch element has this first end 111, this second end 112 and this trigger end 113.This triggering maintains unit 133 and comprises at least one resistance capacitance group, and at least this resistance capacitance group is connected in series by a resistance 1331 and an electric capacity 1332, to form one first link, one second link and to connect end altogether.Wherein this first link connects this cathode terminal of this diode 131, and this second link connects this second end 112 of at least this switch element, and this connects this trigger end 113 that end connects at least this switch element altogether.Be worth mentioning, wherein the quantity of this resistance capacitance group is equal with the quantity of this switch element, and with the present embodiment, the quantity of this switch element is three, so the quantity of this resistance capacitance group also corresponds to three groups.
In practical application, generally for the security consideration of dielectric voltage withstand, therefore, multiple switch element series architecture can be adopted.In addition, this switch element preferably can be a thyristor (siliconcontrolled rectifier, SCR), therefore, this first end 111, this second end 112 and this trigger end 113 are respectively the anode (anode of this thyristor, A), negative electrode (cathode, K) with gate pole (gate, G).
Refer to the operation chart that Fig. 4 is this safety switching apparatus first embodiment of the utility model.For convenience of description, for this switch module 11, there is a switch element in the present embodiment to illustrate.In addition, also suppose that this external power source Vx is an AC power.But practical application is not for restriction with above-mentioned condition.
When this external power source Vx be a positive half period power this light-emitting diode light bar 2 time, this external power source Vx first sets up a charging voltage to the charging of this start-up capacitance 14, this charging voltage is via this first branch road Br1 and this diode 131 of this transformer 132 conducting, and the vertical trigger voltage of this resistance capacitance establishment of unit 133 is maintained by this triggering, by this trigger end 113 to trigger this switch module 11, and then this switch module 11 of conducting.The signal of above-mentioned action to can be on Fig. 4 shown in one first path Lp1.
Be worth mentioning, because the capacitance of this start-up capacitance 14 is less, as previously mentioned, this capacitance between 470 × 10-12 farad to 2.2 × 10-9 farad, therefore, when frequency is higher, this start-up capacitance 14 impedance is also less, so under high frequency operation, this charging voltage that this external power source Vx sets up the charging of this start-up capacitance 14 is just via this switch module 11 of this first branch road Br1 conducting.
Then, this external power source Vx via this full-bridge converting unit 12 and this second branch road Br2, makes this external power source Vx drive this light-emitting diode light bar 2 shinny again.The signal of above-mentioned action to can be on Fig. 4 shown in one second path Lp2.Be worth mentioning, before this switch module 11 conducting, this external power source Vx cannot transmit power supply via this second branch road Br2, therefore, if with the angle that this safety switching apparatus 1 is a switch, this safety switching apparatus 1 is the state turning off (turned off).In other words, this external power source Vx will transmit the condition of power supply via this safety switching apparatus 1, being this safety switching apparatus 1 is conduction status, that is, under positive half cycle operation, this external power source Vx needs first to trigger via this first path Lp1 and after this switch module 11 of conducting, then provides the transfer path of this external power source Vx via this second path Lp2.
So, the technical characteristics of the present embodiment can be realized: " when this external power source Vx powers for this light-emitting diode light bar 2; this triggering maintains unit 133 and produces this triggering voltage needed for switch module 11; after guaranteeing this switch module 11 conducting, this external power source Vx drives this light-emitting diode light bar 2 shinny." so; can guarantee that user installs before this fluorescent tube to lamp socket completes; do not have this external power source Vx and occur for the situation conducting this fluorescent tube, therefore can prevent the situation that user is installing this light-emitting diode lamp tube and occurs to get an electric shock, to guarantee the personal safety of user.
In addition, when this external power source Vx is negative half period operation, although the voltage that this external power source Vx provides via this transformer 132 primary side ends operation to this diode 131 partially for inverse, but, the voltage provided due to this resistance capacitance of this triggering maintenance unit 133 is enough to maintain this switch module 11 conducting during this negative half period, therefore, the operation of positive half cycle is returned once this external power source Vx, to continue to trigger and this switch module 11 of conducting by this first path Lp1 again, and the transfer path of power supply will be provided by this second path Lp2.
Refer to the circuit block diagram that Fig. 5 is this safety switching apparatus second embodiment of the utility model.In a second embodiment, this safety switching apparatus 1, except comprising this switch module 11 aforementioned, this full-bridge converting unit 12 and this circuits for triggering 13, more comprises a voltage suppression diode 16.Wherein this voltage suppression diode 16 can be transient voltage inhibitor (transient voltage suppresser, TVS).This voltage suppression diode 16 has first end 161 and one second end 162; Wherein this first end 161 connects this second output 124 of this full-bridge converting unit 12 and this first end 111 of this switch module 11, and this second end 162 connects this triggering and maintains unit 133.
Moreover this switch module 11 comprises a switch element, and this switch element has this first end 111, this second end 112 and this trigger end 113.This triggering maintains unit 133 and mainly comprises Zener diode and a resistance capacitance group.This resistance capacitance group is connected with a Capacitance parallel connection by a resistance, and to form one first link and one second link, and this resistance capacitance group is connected in parallel this Zener diode.Wherein this first link connects this second end 162 of this voltage suppression diode 16 and this trigger end 113 of this switch module 11, and this second link connects this second end 112 of this switch element.
When this external power source Vx for this light-emitting diode light bar 2 power time, via the ballast in power-supply system institute change generation one igniting high voltage triggering and this switch module 11 of conducting, make this external power source Vx drive this light-emitting diode light bar 2 shinny; Wherein this voltage suppression diode 16 is to suppress this high-voltage value triggering this switch module 11, and then the high-energy that the moment of reducing igniting soft breakdown produces.Be worth mentioning, in practical application, this voltage suppression diode 16 can not need to use, but, relatively just need to consider when this voltage suppression diode 16 does not suppress this igniting high voltage, the situation of the soft breakdown electric current of this switch module 11 used, also or adjust the output characteristic of this ballast, with in response to the applicable cases without this voltage suppression diode 16 of installing.
Refer to the schematic diagram that Fig. 6 is the utility model one general-purpose type light-emitting diode lamp tube.This general-purpose type light-emitting diode lamp tube 10 comprises light-emitting diode light bar 2, power supply change-over device 3 and a safety switching apparatus 1.Wherein this general-purpose type light-emitting diode lamp tube can be a T8 light-emitting diode lamp tube (T8-LED Tube), but, not as restriction.Be worth mentioning, although this power supply change-over device 3, this light-emitting diode light bar 2 and this safety switching apparatus 1 are illustrated as conplane being connected in series shown in Fig. 6, but, in the design of reality, this light-emitting diode light bar 2 is generally and multiple light-emitting diodes tube particle is configured in printed circuit board (PCB) (printed circuit board fully, or flexible printed wiring board (flexible printed circuit PCB), FPC) by one of substrate is formed on the surface, such that the lighting area of this light-emitting diode lamp tube is large and luminous efficiency is high.Further, this power supply change-over device 3 and this safety switching apparatus 1 be configured in this substrate another on the surface, to provide the operation of Power convert and safe power supply.
Value is carried, this general-purpose type light-emitting diode lamp tube of the utility model so-called " general-purpose type " means this light-emitting diode lamp tube that the utility model proposes and is applicable to the collocation inductance type ballast (magnetic ballast) of low frequency (50Hz ~ 60Hz) lighting or the electronic ballast (electrical ballast) of high frequency (20kHz ~ 60kHz) instantaneous lighting, even the configuration of ballast-free (none ballast), is suitable for too.The operating instruction see Figure 11 ~ Figure 13 and correspondence thereof can be coordinated.
This power supply change-over device 3 changes an external power source Vx to provide the driving power needed for this light-emitting diode light bar 2.This safety switching apparatus 1 connects this light-emitting diode light bar 2 and this power supply change-over device 3.This safety switching apparatus 1 mainly comprises switch module 11, full-bridge converting unit 12 and circuits for triggering 13.Wherein, the topmost function of this safety switching apparatus 1 is when this external power source Vx powers for this light-emitting diode light bar 2, this triggering maintains unit 133 and produces this triggering voltage needed for switch module 11, after guaranteeing this switch module 11 conducting, this external power source Vx drives this light-emitting diode light bar 2 shinny.So, user can be prevented in the situation of installing this general-purpose type light-emitting diode lamp tube generation electric shock, to guarantee the personal safety of user.As for enforcement aspect and the operating principle thereof of this safety switching apparatus 1, see Fig. 2 ~ Fig. 5 and corresponding description thereof, can not repeat them here.
Refer to the circuit block diagram that Fig. 7 is the utility model one power supply change-over device.This power supply change-over device 3 comprises current rectifying and wave filtering circuit 32, DC-DC converting circuit 34 and a frequency selective network 36.This current rectifying and wave filtering circuit 32 receives this external power source Vx, carries out rectification and filtering operation to this external power source Vx, to provide a rectification filtering power.This DC-DC converting circuit 34 connects this current rectifying and wave filtering circuit 32, changes this rectification filtering power to export a driving power, and then drives this light-emitting diode light bar 2.
This frequency selective network 36 connects this current rectifying and wave filtering circuit 32, this DC-DC converting circuit 34 and this light-emitting diode light bar 2.Wherein when this external power source Vx is a high frequency electric source, this frequency selective network 36 is conducting operation, to provide high-frequency drive this light-emitting diode light bar 2; When this external power source Vx is a low-frequency power, this frequency selective network 36 operates for turning off, to provide low frequency driving this light-emitting diode light bar 2.
Refer to the operation chart that Fig. 8 is this power supply change-over device first embodiment of the utility model.Wherein the operation of this first embodiment is a high-frequency operation.When this external power source Vx is a high frequency electric source, and when being the operation of positive half cycle, this external power source Vx provides one first high frequency current supply circuit Lp3 to be sequentially this current rectifying and wave filtering circuit 32, this DC-DC converting circuit 34, this light-emitting diode light bar 2, this frequency selective network 36 and this safety switching apparatus 1 to form.When this external power source Vx is this high frequency electric source, and for negative half period operate time, this external power source Vx provides one second high frequency current supply circuit Lp4 to be sequentially this safety switching apparatus 1, this DC-DC converting circuit 34, this light-emitting diode light bar 2, this frequency selective network 36 and this current rectifying and wave filtering circuit 32 to form.Therefore, the high frequency electric source of this light-emitting diode light bar 2 is provided to drive by this first high frequency current supply circuit Lp3 and this second high frequency current supply circuit Lp4, this external power source Vx.
Refer to the operation chart that Fig. 9 is this power supply change-over device second embodiment of the utility model.Wherein the operation of this second embodiment is a low frequency operation.When this external power source Vx is a low-frequency power, and when being the operation of positive half cycle, this external power source Vx provides one first low frequency power supply loop Lp5 to be sequentially this current rectifying and wave filtering circuit 32, this DC-DC converting circuit 34, this light-emitting diode light bar 2 and this safety switching apparatus 1 to form; When this external power source Vx is this low-frequency power, and for negative half period operate time, this external power source Vx provides one second low frequency power supply loop Lp6 to be sequentially this safety switching apparatus 1, this DC-DC converting circuit 34, this light-emitting diode light bar 2 and this current rectifying and wave filtering circuit 32 to form.
In other words, when this external power source Vx is a low-frequency power, due to this frequency selective network 36 be turn off state, therefore, this light-emitting diode light bar 2 by this DC-DC converting circuit 34 change after driving DC voltage Direct driver.Be worth mentioning, in the utility model, this DC-DC converting circuit 34 can be a buck-converter (buck converter), voltage-boosting converter (boost converter) or buck-boost converter (buck-boost converter), but not as restriction.
Refer to the detailed circuit calcspar that Figure 10 is this power supply change-over device of the utility model.From the above, this frequency selective network 36 at least comprises a transistor switch 362, and by controlling the conducting of this transistor switch 362 and shutoff, can realize this external power source Vx be high frequency electric source or low-frequency power time corresponding drive circuit.That is when this external power source Vx is this high frequency electric source, this transistor switch 362 is conducting state, when this external power source Vx is this low-frequency power, this transistor switch 362 is off state.
Be worth mentioning, this frequency selective network 36 provides the function of He Ne laser and filtering, and it is essentially a high-pass filtering circuit.This frequency selective network 36 mainly comprises this transistor switch 362 and filter resistance R
fand a filter capacitor R
f.The wherein cut-off frequency f of this high-pass filtering circuit
zsize is:
So, when this external power source Vx is this high frequency electric source, by this filter resistance R
fwith this filter capacitor R
f, with this transistor switch 362 of conducting; Otherwise, when this external power source Vx is this low-frequency power, then turn off this transistor switch 362.
Refer to the schematic diagram that Figure 11 is this general-purpose type light-emitting diode lamp tube first Application Example of the utility model.Figure 11 is for illustrating that this general-purpose type light-emitting diode lamp tube 10 is connected to the circuit connecting relation of a lamp socket (non-icon), in other words, by this general-purpose type light-emitting diode lamp tube 10 is installed on this lamp socket, and powered by this external power source Vx, to form the power-supply system of light-emitting diode lamp tube.This power-supply system comprises a lamp socket and a general-purpose type light-emitting diode lamp tube 10.This lamp socket provides an external power source Vx.This general-purpose type light-emitting diode lamp tube 10 has one first side first end CON1, one first side the second end CON2, one second side first end CON3 and one second side the second end CON4, is connected on this lamp socket by these ends CON1 ~ CON4 group.This general-purpose type light-emitting diode lamp tube 10 mainly comprises light-emitting diode light bar 2, power supply change-over device 3 and a safety switching apparatus 1.As for enforcement aspect and the operating principle thereof of this safety switching apparatus 1 and this power supply change-over device 3, see Fig. 2 ~ Fig. 5 and Fig. 7 ~ 10 and corresponding description thereof, can not repeat them here.
In this first Application Example of Figure 11, this lamp socket comprises an electronic ballast 20, and this electronic ballast 20 has two inputs and at least two outputs.When this general-purpose type light-emitting diode lamp tube 10 groups is connected on this lamp socket, this first side first end CON1 and this first side the second end CON2 of this general-purpose type light-emitting diode lamp tube 10 are interconnected, then are connected to a wherein output of this electronic ballast; And this second side first end CON3 of this general-purpose type light-emitting diode lamp tube 10 and this second side the second end CON4 is interconnected, then be connected to wherein another output of this electronic ballast; This external power source Vx is connected to these two inputs of this electronic ballast 20, and then powers to this general-purpose type light-emitting diode lamp tube 10.But these ends CON1 ~ CON4 of this general-purpose type light-emitting diode lamp tube 10 above-mentioned is only the relation of relative position in the present embodiment, be not used to limit protection range of the present utility model.
Refer to the schematic diagram that Figure 12 is this general-purpose type light-emitting diode lamp tube second Application Example of the utility model.Figure 12 is for illustrating that multiple (root) general-purpose type light-emitting diode lamp tube 10 is connected to the circuit connecting relation of this lamp socket.This lamp socket comprises an electronic ballast 20, and this electronic ballast 20 has two inputs and at least two outputs.When this general-purpose type light-emitting diode lamp tube 10 groups is connected on this lamp socket, this first side first end CON1 and this first side the second end CON2 of this general-purpose type light-emitting diode lamp tube 10 are interconnected, then are connected to a wherein output of this electronic ballast; And this second side first end CON3 of this general-purpose type light-emitting diode lamp tube 10 and this second side the second end CON4 is interconnected, then be connected to wherein another output of this electronic ballast; This external power source Vx is connected to these two inputs of this electronic ballast 20, and then powers to this general-purpose type light-emitting diode lamp tube 10.
Refer to the schematic diagram that Figure 13 is this general-purpose type light-emitting diode lamp tube the 3rd Application Example of the utility model.This lamp socket comprises an inductance type ballast 30, and this inductance type ballast 30 has an input and an output.When this general-purpose type light-emitting diode lamp tube 10 groups is connected on this lamp socket, this first side first end CON1 of this general-purpose type light-emitting diode lamp tube 10 is directly connected by a short-circuit component 31 with this second side first end CON3; And this second side the second end CON4 of this general-purpose type light-emitting diode lamp tube 10 connects this output of this inductance type ballast 30; This external power source Vx is connected to this first side the second end CON2 of this general-purpose type light-emitting diode lamp tube 10 and this input of this inductance type ballast 30, and then powers to this general-purpose type light-emitting diode lamp tube 10.
Refer to the schematic diagram that Figure 14 is this general-purpose type light-emitting diode lamp tube the 4th Application Example of the utility model.Figure 14 is the circuit connecting relation that this general-purpose type light-emitting diode lamp tube 10 of signal is connected to this lamp socket of ballast-free.When this general-purpose type light-emitting diode lamp tube 10 groups is connected on this lamp socket, this second side first end CON3 of this general-purpose type light-emitting diode lamp tube 10 and this second side the second end CON4 is that sky connects (no connection, N.C.); This external power source Vx is connected to this first side first end CON1 and this first side the second end CON2 of this general-purpose type light-emitting diode lamp tube 10, and then powers to this general-purpose type light-emitting diode lamp tube 10.
Refer to the circuit diagram that Figure 15 is the virtual filament of the utility model one electronic type.This virtual heater chain 4 mainly comprises a Detection capacitance 41 and and detects resistance 42, and wherein this detection resistance 42 is connected in parallel this Detection capacitance 41.Be worth mentioning, when this external power source Vx is high frequency electric source, between this first side first end CON1 and this first side the second end CON2, detect that this general-purpose type light-emitting diode lamp tube is installed on this lamp socket by this Detection capacitance 41, to realize the effect of virtual filament.More specifically, when this external power source Vx is high frequency electric source, the resistance value of this Detection capacitance 41 levels off to zero, therefore, short-circuit condition is equivalent between this first side first end CON1 and this first side the second end CON2, therefore, can detect that this general-purpose type light-emitting diode lamp tube is installed in this lamp socket.
When this external power source Vx be low-frequency power or DC power supply time, detect that this general-purpose type light-emitting diode lamp tube is installed on this lamp socket by this detection resistance 42 between this first side first end CON1 and this first side the second end CON2, to realize the effect of virtual filament.Wherein this detection resistance 42 is a semistor (PTC thermal resistor).More specifically, when this external power source Vx be low-frequency power or DC power supply time, because this Detection capacitance 41 is high impedance status, therefore this external power source Vx flows through a detection electric current via this detection resistance 42.Therefore, utilize the ptc characteristics of this detection resistance 42, make the resistance value of this detection resistance 42 rise along with temperature and increase.So, flow through the electric current of this detection resistance 42, the resistance value along with this detection resistance 42 increases and reduces, so, not only can realize working as the use that this external power source Vx is the virtual filament of low-frequency power or DC power supply, also can reduce the loss in testing process.
By this, by the design of this virtual heater chain 4, not only can be applicable to high frequency electric source, low-frequency power even DC power supply as the use of virtual filament, also can reduce and detect the loss that produces of electric current, to maintain the whole efficiency of the power-supply system of this general-purpose type light-emitting diode lamp tube.
In sum, the utility model has the following advantages:
1, the operation of this light-emitting diode lamp tube is applied to by this safety switching apparatus 1, after guaranteeing that this general-purpose type light-emitting diode lamp tube 10 is plugged to lamp socket completely, the just meeting conducting of this switch module 11, and then this external power source Vx drives light-emitting diode light bar 2 luminous, so, can prevent user from the situation of getting an electric shock occurring, to guarantee the personal safety of user at this general-purpose type light-emitting diode lamp tube 10 of installation and removal;
2, this safety switching apparatus 1 designed by electronic component, be applied to after this general-purpose type light-emitting diode lamp tube 10 is installed on lamp socket, by detecting the situation of this external power source Vx, realize the function of automatic electricity excessively, and do not need user by the mechanical switch of compacts, to improve the convenience of operation;
3, the electrical path before utilizing this start-up capacitance 14 with small capacitances value to provide this switch module 11 conducting, when fluorescent tube is mounted on lamp socket completely, and this start-up capacitance 14 could produce effective trigger current during high frequency, and triggering the vertical trigger voltage of resistance capacitance establishment maintaining unit by this bypass diodes 15, and then this switch module 11 of conducting;
4, by conducting and the shutoff of this frequency selective network 36, detecting this external power source Vx is high frequency electric source or low-frequency power, to provide this driving power that light-emitting diode light bar 2 is applicable to, and then improves service efficiency and the life-span of this light-emitting diode light bar 2;
5, this DC-DC converting circuit 34 can according to the needs of practical application, the power supply changeover device of different circuit topography is provided, such as buck-converter (buck converter), voltage-boosting converter (boostconverter) or buck-boost converter (buck-boost converter), to increase the scope of this light-emitting diode light bar 2 driving voltage size;
6, the applicable electronic ballast (electricalballast) being installed in inductance type ballast (magnetic ballast) or the instantaneous lighting of high frequency with low frequency lighting of this general-purpose type light-emitting diode lamp tube 10, even the lamp socket of ballast-free (none ballast) uses;
7, this safety switching apparatus 1 designed by the utility model, this frequency selective network 36 and this DC-DC converting circuit 34 is utilized, this light-emitting diode lamp tube 10 is made can be universally installed on the lamp socket of this external power source Vx of dissimilar, different electric pressure, in other words, do not need the design changing this general-purpose type light-emitting diode lamp tube 10 according to different electrical power, so, for manufacturer, the human cost of design needed for different fluorescent tube and zero element cost can be saved; For user, practicality and the convenience of this general-purpose type light-emitting diode lamp tube 10 can be promoted widely; And
8, by the design of this virtual heater chain 4, not only can be applicable to high frequency electric source, low-frequency power even DC power supply as the use of virtual filament, also can reduce the loss detecting electric current and produce, to maintain the whole efficiency of the power-supply system of this general-purpose type light-emitting diode lamp tube.
The foregoing is only the detailed description of the utility model preferred embodiment and graphic; but feature of the present utility model is not limited thereto; and be not used to limit the utility model; all scopes of the present utility model should be as the criterion with the right of this case; all embodiments of closing spirit change similar with it in the utility model claim; all should be included in category of the present utility model; anyly be familiar with this those skilled in the art in field of the present utility model, can think easily and change or modify all can be encompassed in this case protection range.
Claims (16)
1. a safety switching apparatus, it connects a light-emitting diode light bar and a power supply change-over device, this power supply change-over device changes an external power source to provide the driving power needed for this light-emitting diode light bar, it is characterized in that, this safety switching apparatus comprises a switch module, a full-bridge converting unit, circuits for triggering, a start-up capacitance and a bypass diodes, wherein
This switch module has a first end, one second end and a trigger end;
This full-bridge converting unit has one first power end, a second source end, one first output and one second output; Wherein this first output connects this second end of this switch module, and this second output connects this first end of this switch module, and this first power end connects this light-emitting diode light bar;
These circuits for triggering at least comprise a diode, a transformer and triggers and maintains unit, wherein,
This diode has an anode tap and a cathode terminal;
This transformer has one first primary side, one second primary side, one first secondary end and a second subprime end; Wherein this first primary side connects this second source end, and this second primary side connects this external power source, and this second subprime end connects this anode tap;
This triggering maintains this second end and this trigger end that unit connects this first secondary end, this cathode terminal and this switch module;
This start-up capacitance has a first end and one second end; Wherein this first end connects this first power end of this full-bridge converting unit, and this second end connects this second source end of this full-bridge converting unit and this first primary side of this transformer, to form one first branch road;
This bypass diodes has an anode tap and a cathode terminal; Wherein this anode tap connects this second output of this full-bridge converting unit, and this cathode terminal connects this first end of this switch module, to form one second branch road;
Wherein when this external power source is powered for this light-emitting diode light bar, this triggering maintenance unit produces the triggering voltage needed for this switch module, and after guaranteeing this switch module conducting, this external power source drives this light-emitting diode light bar shinny.
2. safety switching apparatus according to claim 1, wherein this switch module comprises at least one switch element, and at least this switch element has this first end, this second end and this trigger end; And
This triggering maintains unit and comprises at least one resistance capacitance group, and at least this resistance capacitance group is connected with a capacitances in series by a resistance, to form one first link, one second link and to connect end altogether; Wherein this first link connects this cathode terminal of this diode, and this second link connects this second end of at least this switch element, and this connects this trigger end that end connects at least this switch element altogether;
Wherein the quantity of this resistance capacitance group is equal with the quantity of this switch element.
3. safety switching apparatus according to claim 2, wherein when this external power source is powered for this light-emitting diode light bar, this external power source first sets up a charging voltage to the charging of this start-up capacitance, this charging voltage is via this first branch road and this this diode of transformer conducting, and the vertical trigger voltage of this resistance capacitance establishment of unit is maintained by this triggering, by this trigger end to trigger this switch module, and then this switch module of conducting; This external power source, again via this full-bridge converting unit and this second branch road, makes this external power source drive this light-emitting diode light bar shinny.
4. safety switching apparatus according to claim 1, wherein the capacitance of this start-up capacitance is between 470 × 10-12 farad to 2.2 × 10-9 farad.
5. a general-purpose type light-emitting diode lamp tube, is characterized in that, comprises a light-emitting diode light bar, a power supply change-over device and a safety switching apparatus, wherein,
This power supply change-over device is for changing an external power source to provide the driving power needed for this light-emitting diode light bar;
This safety switching apparatus connects this light-emitting diode light bar and this power supply change-over device, and this safety switching apparatus comprises a switch module, a full-bridge converting unit, circuits for triggering, a start-up capacitance and a bypass diodes, wherein,
This switch module has a first end, one second end and a trigger end;
This full-bridge converting unit has one first power end, a second source end, one first output and one second output; Wherein this first output connects this second end of this switch module, and this second output connects this first end of this switch module, and this first power end connects this light-emitting diode light bar;
These circuits for triggering at least comprise a diode, a transformer and triggers and maintains unit, wherein,
This diode has an anode tap and a cathode terminal;
This transformer has one first primary side, one second primary side, one first secondary end and a second subprime end; Wherein this first primary side connects this second source end, and this second primary side connects this external power source, and this second subprime end connects this anode tap;
This triggering maintains this second end and this trigger end that unit connects this first secondary end, this cathode terminal and this switch module;
This start-up capacitance has a first end and one second end; Wherein this first end connects this first power end of this full-bridge converting unit, and this second end connects this second source end of this full-bridge converting unit and this first primary side of this transformer, to form one first branch road; And
This bypass diodes has an anode tap and a cathode terminal; Wherein this anode tap connects this second output of this full-bridge converting unit, and this cathode terminal connects this first end of this switch module, to form one second branch road;
Wherein when this external power source is powered for this light-emitting diode light bar, this triggering maintenance unit produces the triggering voltage needed for this switch module, and after guaranteeing this switch module conducting, this external power source drives this light-emitting diode light bar shinny.
6. general-purpose type light-emitting diode lamp tube according to claim 5, wherein this power supply change-over device comprises:
One current rectifying and wave filtering circuit, for receiving this external power source, carries out rectification and filtering operation to this external power source, to provide a rectification filtering power;
One DC-DC converting circuit, connects this current rectifying and wave filtering circuit, for changing this rectification filtering power to export a driving power, and then drives this light-emitting diode light bar; And
One frequency selective network, connects this current rectifying and wave filtering circuit, this DC-DC converting circuit and this light-emitting diode light bar; Wherein when this external power source is a high frequency electric source, this frequency selective network is conducting operation, to provide high-frequency drive this light-emitting diode light bar; When this external power source is a low-frequency power, this frequency selective network operates for turning off, to provide low frequency driving this light-emitting diode light bar.
7. general-purpose type light-emitting diode lamp tube according to claim 6, wherein this frequency selective network at least comprises a transistor switch; When this external power source is this high frequency electric source, this transistor switch is conducting state, and when this external power source is this low-frequency power, this transistor switch is off state.
8. general-purpose type light-emitting diode lamp tube according to claim 7, wherein when this external power source is a high frequency electric source, and when being the operation of positive half cycle, this external power source provides one first high frequency current supply circuit to be sequentially this current rectifying and wave filtering circuit, this DC-DC converting circuit, this light-emitting diode light bar, this transistor switch of this frequency selective network and this safety switching apparatus to form; When this external power source is this high frequency electric source, and for negative half period operate time, this external power source provides one second high frequency current supply circuit to be sequentially this safety switching apparatus, this DC-DC converting circuit, this light-emitting diode light bar, this transistor switch of this frequency selective network and this current rectifying and wave filtering circuit to form.
9. general-purpose type light-emitting diode lamp tube according to claim 7, wherein when this external power source is a low-frequency power, and when being the operation of positive half cycle, this external power source provides one first low frequency power supply loop to be sequentially this current rectifying and wave filtering circuit, this DC-DC converting circuit, this light-emitting diode light bar and this safety switching apparatus to form; When this external power source is this low-frequency power, and for negative half period operate time, this external power source provides one second low frequency power supply loop to be sequentially this safety switching apparatus, this DC-DC converting circuit, this light-emitting diode light bar and this current rectifying and wave filtering circuit to form.
10. a power-supply system for general-purpose type light-emitting diode lamp tube, is characterized in that, comprises a lamp socket and a general-purpose type light-emitting diode lamp tube:
This lamp socket is used for providing an external power source;
This general-purpose type light-emitting diode lamp tube has one first side first end, one first side the second end, one second side first end and one second side the second end, is connected on this lamp socket by this first side first end, this first side the second end, this second side first end and this second side the second end group; This general-purpose type light-emitting diode lamp tube comprises a light-emitting diode light bar, a power supply change-over device and a safety switching apparatus, wherein,
This power supply change-over device is for changing this external power source to provide the driving power needed for this light-emitting diode light bar;
This safety switching apparatus is for connecting this light-emitting diode light bar and this power supply change-over device, and this safety switching apparatus comprises a switch module, a full-bridge converting unit, circuits for triggering, a start-up capacitance and a bypass diodes, wherein,
This switch module has a first end, one second end and a trigger end;
This full-bridge converting unit has one first power end, a second source end, one first output and one second output; Wherein this first output connects this second end of this switch module, and this second output connects this first end of this switch module, and this first power end connects this light-emitting diode light bar;
These circuits for triggering at least comprise a diode, a transformer and triggers and maintains unit, wherein,
This diode has an anode tap and a cathode terminal;
This transformer has one first primary side, one second primary side, one first secondary end and a second subprime end; Wherein this first primary side connects this second source end, and this second primary side connects this external power source, and this second subprime end connects this anode tap;
This triggering maintains this second end and this trigger end that unit connects this first secondary end, this cathode terminal and this switch module;
This start-up capacitance has a first end and one second end; Wherein this first end connects this first power end of this full-bridge converting unit, and this second end connects this second source end of this full-bridge converting unit and this first primary side of this transformer, to form one first branch road;
This bypass diodes has an anode tap and a cathode terminal; Wherein this anode tap connects this second output of this full-bridge converting unit, and this cathode terminal connects this first end of this switch module, to form one second branch road;
Wherein when this general-purpose type light-emitting diode lamp tube group is connected on this lamp socket, and this external power source for this light-emitting diode light bar power time, this triggering maintenance unit produces the triggering voltage needed for this switch module, after guaranteeing this switch module conducting, this external power source drives this light-emitting diode light bar shinny.
The power-supply system of 11. general-purpose type light-emitting diode lamp tubes according to claim 10, wherein this lamp socket comprises an electronic ballast, and this electronic ballast has two inputs and at least two outputs;
Wherein when this general-purpose type light-emitting diode lamp tube group is connected on this lamp socket, this first side first end and this first side the second end of this general-purpose type light-emitting diode lamp tube are interconnected, then are connected to a wherein output of this electronic ballast; And this second side first end of this general-purpose type light-emitting diode lamp tube and this second side the second end are interconnected, then be connected to wherein another output of this electronic ballast; This external power source is connected to these two inputs of this electronic ballast, and then powers to this general-purpose type light-emitting diode lamp tube.
The power-supply system of 12. general-purpose type light-emitting diode lamp tubes according to claim 10, wherein this lamp socket comprises an electronic ballast, and this electronic ballast has two inputs and at least two outputs;
Wherein when multiple general-purpose type light-emitting diode lamp tube and joint group is connected on this lamp socket time, this the first side first end and this first side the second end of each this general-purpose type light-emitting diode lamp tube are interconnected, then are connected to a wherein identical output of this electronic ballast; And this second side first end of each this general-purpose type light-emitting diode lamp tube and this second side the second end are interconnected, then be connected to the wherein different outputs of this electronic ballast respectively; This external power source is connected to these two inputs of this electronic ballast, and then powers to this general-purpose type light-emitting diode lamp tube.
The power-supply system of 13. general-purpose type light-emitting diode lamp tubes according to claim 10, wherein this lamp socket comprises an inductance type ballast, and this inductance type ballast has an input and an output;
Wherein when this general-purpose type light-emitting diode lamp tube group is connected on this lamp socket, this first side first end of this general-purpose type light-emitting diode lamp tube is directly connected by a short-circuit component with this second side first end; And this second side the second end of this general-purpose type light-emitting diode lamp tube connects this output of this inductance type ballast; This external power source is connected to this first side the second end of this general-purpose type light-emitting diode lamp tube and this input of this inductance type ballast, and then powers to this general-purpose type light-emitting diode lamp tube.
The power-supply system of 14. general-purpose type light-emitting diode lamp tubes according to claim 10, wherein when this general-purpose type light-emitting diode lamp tube group is connected on this lamp socket, this second side first end and this second side the second end of this general-purpose type light-emitting diode lamp tube are that sky connects; This external power source is connected to this first side first end and this first side the second end of this general-purpose type light-emitting diode lamp tube, and then powers to this general-purpose type light-emitting diode lamp tube.
The power-supply system of 15. general-purpose type light-emitting diode lamp tubes according to claim 10, also comprises:
One virtual heater chain, this virtual heater chain comprises a Detection capacitance and and detects resistance, wherein,
This Detection capacitance is connected to this first side first end and this first side the second end of this general-purpose type light-emitting diode lamp tube;
This detection resistor coupled in parallel connects this Detection capacitance;
Wherein when this external power source is high frequency electric source, between this first side first end and this first side the second end, detect that this general-purpose type light-emitting diode lamp tube is installed on this lamp socket by this Detection capacitance; When this external power source be low-frequency power or DC power supply time, go out this general-purpose type light-emitting diode lamp tube by this detection resistance detection between this first side first end and this first side the second end and be installed on this lamp socket.
The power-supply system of 16. general-purpose type light-emitting diode lamp tubes according to claim 15, wherein this detection resistance is a semistor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520098883.4U CN204442771U (en) | 2015-02-10 | 2015-02-10 | Safety switching apparatus, general-purpose type light-emitting diode lamp tube and power-supply system thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520098883.4U CN204442771U (en) | 2015-02-10 | 2015-02-10 | Safety switching apparatus, general-purpose type light-emitting diode lamp tube and power-supply system thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204442771U true CN204442771U (en) | 2015-07-01 |
Family
ID=53610580
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520098883.4U Expired - Fee Related CN204442771U (en) | 2015-02-10 | 2015-02-10 | Safety switching apparatus, general-purpose type light-emitting diode lamp tube and power-supply system thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204442771U (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106304522A (en) * | 2015-05-22 | 2017-01-04 | 讯强电子(惠州)有限公司 | General-purpose type light-emitting diode lamp tube, power-supply system and LED driving circuit |
| US10830397B2 (en) | 2014-12-05 | 2020-11-10 | Jiaxing Super Lighting Electric Appliance Co., Ltd | LED tube lamp |
| US10890300B2 (en) | 2015-03-10 | 2021-01-12 | Jiaxing Super Lighting Electric Appliance Co., Ltd. | LED tube lamp |
| US10897801B2 (en) | 2014-09-28 | 2021-01-19 | Jiaxing Super Lighting Electric Appliance Co., Ltd | LED tube lamp |
| US11112068B2 (en) | 2014-09-28 | 2021-09-07 | Jiaxing Super Lighting Electric Appliance Co., Ltd | LED tube lamp |
| US11131431B2 (en) | 2014-09-28 | 2021-09-28 | Jiaxing Super Lighting Electric Appliance Co., Ltd | LED tube lamp |
| US11441742B2 (en) | 2015-12-09 | 2022-09-13 | Jiaxing Super Lighting Electric Appliance Co., Ltd. | LED tube lamp |
| US11519565B2 (en) | 2015-03-10 | 2022-12-06 | Jiaxing Super Lighting Electric Appliance Co., Ltd | LED lamp and its power source module |
| US11543086B2 (en) | 2015-03-10 | 2023-01-03 | Jiaxing Super Lighting Electric Appliance Co., Ltd. | LED tube lamp |
| US11920743B2 (en) | 2021-12-01 | 2024-03-05 | Jiaxing Super Lighting Electric Appliance Co., Ltd | LED tube lamp |
-
2015
- 2015-02-10 CN CN201520098883.4U patent/CN204442771U/en not_active Expired - Fee Related
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11519567B2 (en) | 2014-09-28 | 2022-12-06 | Jiaxing Super Lighting Electric Appliance Co., Ltd | LED tube lamp |
| US11112068B2 (en) | 2014-09-28 | 2021-09-07 | Jiaxing Super Lighting Electric Appliance Co., Ltd | LED tube lamp |
| US11686457B2 (en) | 2014-09-28 | 2023-06-27 | Jiaxing Super Lighting Electric Appliance Co., Ltd | LED tube lamp |
| US10897801B2 (en) | 2014-09-28 | 2021-01-19 | Jiaxing Super Lighting Electric Appliance Co., Ltd | LED tube lamp |
| US11649934B2 (en) | 2014-09-28 | 2023-05-16 | Jiaxing Super Lighting Electric Appliance Co., Ltd | LED tube lamp |
| US11131431B2 (en) | 2014-09-28 | 2021-09-28 | Jiaxing Super Lighting Electric Appliance Co., Ltd | LED tube lamp |
| US10830397B2 (en) | 2014-12-05 | 2020-11-10 | Jiaxing Super Lighting Electric Appliance Co., Ltd | LED tube lamp |
| US11906115B2 (en) | 2014-12-05 | 2024-02-20 | Jiaxing Super Lighting Electric Appliance Co., Ltd | LED tube lamp |
| US11226073B2 (en) | 2015-03-10 | 2022-01-18 | Jiaxing Super Lighting Electric Appliance Co., Ltd. | Led tube lamp |
| US11543086B2 (en) | 2015-03-10 | 2023-01-03 | Jiaxing Super Lighting Electric Appliance Co., Ltd. | LED tube lamp |
| US10890300B2 (en) | 2015-03-10 | 2021-01-12 | Jiaxing Super Lighting Electric Appliance Co., Ltd. | LED tube lamp |
| US11519565B2 (en) | 2015-03-10 | 2022-12-06 | Jiaxing Super Lighting Electric Appliance Co., Ltd | LED lamp and its power source module |
| US11698170B2 (en) | 2015-03-10 | 2023-07-11 | Jiaxing Super Lighting Electric Appliance Co., Ltd. | LED tube lamp |
| US11841113B2 (en) | 2015-03-10 | 2023-12-12 | Jiaxing Super Lighting Electric Appliance Co., Ltd | LED lamp and its power source module |
| CN106304522A (en) * | 2015-05-22 | 2017-01-04 | 讯强电子(惠州)有限公司 | General-purpose type light-emitting diode lamp tube, power-supply system and LED driving circuit |
| US11441742B2 (en) | 2015-12-09 | 2022-09-13 | Jiaxing Super Lighting Electric Appliance Co., Ltd. | LED tube lamp |
| US11920743B2 (en) | 2021-12-01 | 2024-03-05 | Jiaxing Super Lighting Electric Appliance Co., Ltd | LED tube lamp |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204442771U (en) | Safety switching apparatus, general-purpose type light-emitting diode lamp tube and power-supply system thereof | |
| CN103688594B (en) | Driver circuit for powering dc lamp in non-dc lamp fitting | |
| CN203340342U (en) | Led drive circuit | |
| CN105577003B (en) | A kind of Switching Power Supply with APFC | |
| CN103442501A (en) | Forced constant flow source dimming LED (Light Emitting Diode) lamp | |
| CN102711339A (en) | LED (Light Emitting Diode) drive circuit | |
| CN102307424A (en) | High-power dimming electrodeless lamp | |
| CN204518177U (en) | A kind of LED drive power circuit | |
| CN104080221B (en) | A kind of LED drive circuit and LED light | |
| CN105430829A (en) | Self-powered buck-boost LED drive power supply device and method thereof | |
| CN204810599U (en) | All -purpose emitting diode fluorescent tube, electrical power generating system and emitting diode drive circuit | |
| CN103118473B (en) | HID (high intensity discharging lamp) electronic ballast | |
| CN202696465U (en) | Power device driving power supply for multilevel converter and high voltage frequency converter | |
| CN205611031U (en) | Illumination lamp driving circuit with function of gradually going out | |
| CN205005320U (en) | Driving circuit of light -emitting diode (LED) fluorescent tube | |
| CN108702823A (en) | LED drive circuit, LED light device and electronic equipment | |
| TWM505142U (en) | Safety switch device, universal LED tube having the switch device, and power system of the LED tube | |
| CN204168570U (en) | Negative pressure rectification circuit and high-intensity gas discharge lamp | |
| CN204631185U (en) | Fuse electric loading Intelligent indicating device | |
| CN204104203U (en) | A kind of centralized control formula uviol lamp ballast | |
| TWM507626U (en) | Universal LED tube, power system of the universal LED tube and LED driving circuit | |
| CN201426195Y (en) | Isolated high-power factor driving power source for LED fluorescent lamps | |
| CN207005797U (en) | LED straight tube lamp systems | |
| CN104955216A (en) | LED constant-current drive circuit employing boost constant-current drive unit and apparatus | |
| CN204377200U (en) | Adopt constant current driver circuit for LED and the device of voltage increase and current constant driver element |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150701 Termination date: 20170210 |