CN201303436Y - Double rectifier-bridge supply circuit and LED daylight lamp using same - Google Patents
Double rectifier-bridge supply circuit and LED daylight lamp using same Download PDFInfo
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- CN201303436Y CN201303436Y CNU200820049281XU CN200820049281U CN201303436Y CN 201303436 Y CN201303436 Y CN 201303436Y CN U200820049281X U CNU200820049281X U CN U200820049281XU CN 200820049281 U CN200820049281 U CN 200820049281U CN 201303436 Y CN201303436 Y CN 201303436Y
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Abstract
The utility model relates to the supply circuit designing field and discloses a double rectifier-bridge supply circuit and an LED daylight lamp provided with the supply circuit. The supply circuit comprises a first full-bridge rectifying unit 101 and a second full-bridge rectifying unit 102, wherein the input end 1011 and 1012 of the first full-bridge rectifying unit 101 as well as the input end 1021 and 1022 of the second full-bridge rectifying unit 102 are respectively and electrically connected with four wiring pins arranged at two ends of a lamp holder; the output end 1013 and 1013 of the first full-bridge rectifying unit 101 as well as the output end 1023 and 1024 of the second full-bridge rectifying unit 102 are connected with each other in parallel and then electrically connected with a constant flow source unit of the LED daylight lamp to provide direct current for the constant flow source unit. With the application of the supply circuit, the LED daylight lamp can be compatibly arranged on the existing various lamp holders for use.
Description
Technical field
The utility model relates to circuit design field, particularly a kind of road and with the LED fluorescent lamp on this power supply road of powering.
Background technology
At lighting field, traditional fluorescent lamp is former even present most widely used illuminating source, the process of a starter of luminous existence of traditional fluorescent lamp: the triggering that starter is subjected to the AC current signal is activated, generation one instantaneous high-voltage signal matches with ballast, the mercury vapour of this instantaneous high pressure signal activation traditional fluorescent lamp makes it ionization, thereby traditional fluorescent lamp is lighted.
In the hypodynamic area of power supply, perhaps when power supply is hypodynamic, because the deficiency of voltage makes starter not to be triggered, can't provide instantaneous high pressure through regular meeting, can not light traditional fluorescent lamp, thereby make troubles to daily life.
The LED fluorescent lamp is present comparatively popular a kind of illuminating source, and the LED fluorescent lamp is because the LED fluorescent lamp has the starter of need not or electric ballast, starts soon, and power is little, and no stroboscopic is not easy the advantage of the superpower energy-conservation and environmental protection of visual fatigue.The LED fluorescent lamp is one of product of national green energy conservation illuminating engineering focus development, is the major product that replaces traditional fluorescent lamp at present.
Because the supply power mode of LED fluorescent lamp, traditional fluorescent lamp is different, traditional fluorescent lamp generally adopts following two kinds of working methods:
The Inductive ballast mode is provided with starter in the lamp socket, when starting, starter is subjected to the triggering of AC signal and moves, and produces the instantaneous high pressure signal with ballast, makes the gas breakdown in the traditional fluorescent lamp, lights fluorescent lamp.
The mode of electronic ballast is provided with electric ballast in the lamp socket, when starting, the triggering of electric ballast AC signal and produce resonance produces high-frequency alternating current, makes the gas breakdown in the traditional fluorescent lamp, lights fluorescent lamp.
Therefore,, the LED fluorescent lamp is contained in the lamp socket of existing traditional fluorescent lamp, need the circuit on the lamp socket be changed, remove electric ballast or starter in the lamp socket if traditional fluorescent lamp is replaced by the LED fluorescent lamp.
General, the standard profile of LED fluorescent lamp, size, bore follow traditional fluorescent lamp the same, the user wishes directly the LED fluorescent lamp to be contained in the enterprising enforcement usefulness of lamp socket of traditional fluorescent lamp, rather than make traditional fluorescent lamp need being replaced to the better LED fluorescent lamp good, environmental protection and energy saving more of illumination effect, need transform or reinstall a lamp socket that aims at the power supply of LED fluorescent lamp to original lamp socket.Particularly LED fluorescent lamp and traditional fluorescent lamp all have the stage of generally using at present, and this user's request is more outstanding.
The utility model content
The utility model embodiment provides a kind of power supply road, and realization is installed in LED fluorescent lamp compatibility on the existing various lamp socket and uses.
The utility model embodiment provides a kind of LED fluorescent lamp, can be installed on the existing various lamp socket to use.
The power supply road that the utility model embodiment provides comprises: the first full-bridge rectification unit (101), the second full-bridge rectification unit (102), wherein,
Input (1011), (1012) of the described first full-bridge rectification unit (101), and the input (1021) of the second full-bridge rectification unit (102), (1022) are electrically connected with four wiring pin at lamp socket two ends respectively, the output (1013) of the first full-bridge rectification unit (101), (1014) are in parallel with output (1023), (1024) of the second full-bridge rectification unit (102), constant-current source unit with luminous diode lamp fluorescent lamp after parallel connection is electrically connected, for described constant-current source unit provides direct current.
Alternatively, the rectifier diode in the described first full-bridge rectification unit (101) and/or the second full-bridge rectification unit (102) is Schottky rectifier diode and/or fast-recovery commutation diode.
The LED fluorescent lamp that the utility model embodiment provides comprises power supply road and LED fluorescent lamp,
This road that powers, comprise: the first full-bridge rectification unit (101), the second full-bridge rectification unit (102), wherein, the input (1011) of the described first full-bridge rectification unit (101), (1012), and the input (1021) of the second full-bridge rectification unit (102), (1022) be electrically connected with four wiring pin at lamp socket two ends respectively, the output (1013) of the first full-bridge rectification unit (101), (1014) with the output (1023) of the second full-bridge rectification unit (102), (1024) be in parallel, constant-current source unit with luminous diode lamp fluorescent lamp after parallel connection is electrically connected, for described constant-current source unit provides direct current.
Alternatively, the rectifier diode in the described first full-bridge rectification unit (101) in this LED fluorescent lamp and/or the second full-bridge rectification unit (102) is Schottky rectifier diode and/or fast-recovery commutation diode.
By on see, use the technical scheme of the utility model embodiment, use this power supply road, with the first full-bridge rectification unit 101, the input 1011 of the second full- bridge rectification unit 102,1012,1021,1022 are electrically connected with four wiring pin on the lamp socket respectively, insert power supply signal from lamp socket, when this lamp socket (is provided with starter for the lamp socket that cooperates traditional fluorescent lamp to use in the lamp socket, perhaps electric ballast) time, no matter the power supply of this lamp socket input in which two wiring pin inserts, the signal of telecommunication that inserts is all through a full-bridge rectifier, convert alternating current to direct current, this direct current is inputed to the constant-current source unit of LED fluorescent lamp, to its power supply, to make the work of LED fluorescent lamp luminous to the LED power supply.Adopt this power supply road, electric current can be through starter in the lamp socket or the resonant capacitance in the electric ballast, and therefore electric ballast or starter wherein can not worked.As seen use the power supply road of present embodiment, can be implemented in and use the LED fluorescent lamp on traditional fluorescent lamp base.
In addition, when if this lamp socket is not traditional LED fluorescent lamp base, no matter the wiring pin input of this lamp socket is alternating current or direct current, and this input current all can convert the constant-current source unit that direct current inputs to the LED fluorescent lamp to, to its power supply, to make the work of LED fluorescent lamp luminous to the LED power supply.
To sum up, use the power supply road of present embodiment, can be implemented in and use the LED fluorescent lamp on the various lamp sockets.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present utility model, constitutes the application's a part, does not constitute to improper qualification of the present utility model, in the accompanying drawings:
Fig. 1 is the realization schematic diagram on the power supply road of the utility model embodiment 1;
The circuit diagram of Fig. 2 for using power supply road shown in Figure 1 and luminous diode lamp fluorescent lamp to be electrically connected;
Fig. 3 is installed in the circuit electrical connection schematic diagram that uses on the lamp socket of band starter for the luminous diode lamp fluorescent lamp on band power supply road shown in Figure 2;
Fig. 4 is installed in the circuit electrical connection schematic diagram that uses on the lamp socket of charged sub-ballast for the luminous diode lamp fluorescent lamp on band power supply road shown in Figure 2.
Embodiment
Describe the utility model in detail below in conjunction with accompanying drawing and specific embodiment, be used for explaining the utility model in this illustrative examples of the present utility model and explanation, but not as to qualification of the present utility model.
The realization schematic diagram on the power supply road of Fig. 1 present embodiment, show as Fig. 1, this power supply road comprises: the first full-bridge rectification unit 101, the second full-bridge rectification unit 102, wherein, the input 1011 of the first full-bridge rectification unit 101,1012, and the input 1021 of the second full-bridge rectification unit 102,1022 are electrically connected with four wiring pin at lamp socket two ends respectively, the output 1013 of the first full-bridge rectification unit 101, the output 1023 of the 1014 and second full-bridge rectification unit 102,1024 are in parallel, be electrically connected with the constant-current source unit of luminous diode lamp fluorescent lamp, for the constant-current source unit provides direct current.
The first full-bridge rectification unit 101 is made of along connecing rectifier diode D1, D2, D3, D4, and input 1012 is drawn at the common node place that input 1011, rectifier diode D3, D4 draw in the common node place of rectifier diode D1, D2.The first full-bridge rectification unit 102 is made of along connecing rectifier diode D5, D6, D7, D8, and input 1022 is drawn at the common node place of rectifier diode D7, D8.The common node of rectifier diode D1, D3 is electrically connected with the common node of rectifier diode D5, D7, first output 1023 as this power supply road, the common node of rectifier diode D2, D4 is electrically connected with the common node of rectifier diode D6, D8, as second output 1022 on this power supply road.In use, first output 1023, second output 1024 are electrically connected with the constant-current source unit of luminous diode lamp fluorescent lamp, for described constant-current source unit provides direct current.
With the luminous diode lamp fluorescent lamp equivalence is a load, use circuit diagram that power supply road shown in Figure 1 and luminous diode lamp fluorescent lamp (load RL) be electrically connected referring to Fig. 2, as shown in Figure 2, obviously, during from any two non-electric-connecting end input dc powers of this input, all can in this circuit, form the loop through overload RL.As seen, use this power supply circuits, in the time of can externally being input as direct current, for described constant-current source unit provides direct current, to make the work of LED fluorescent lamp luminous to the LED power supply.
When being input as alternating current:
If when the signal of telecommunication inserted from input 1011,1012, when input 1011 was positive pole, rectifier diode D1, load RL, rectifier diode D4 formed a loop; When input 1011 was negative pole, rectifier diode D3, load RL, rectifier diode D2 formed a loop; The rectifier bridge that electric current is constituted through rectifier diode D1, D2, D3, D4, RL provides direct current to load.
In like manner, when establishing the signal of telecommunication from input 1011,1021 accesses, electric current converts AC signal to direct current signal through the rectifier bridge that rectifier diode D1, D2, D5, D6 are constituted, and RL provides direct current to load.
In like manner, when establishing the signal of telecommunication from input 1021,1022 accesses, electric current converts AC signal to direct current signal through the rectifier bridge that rectifier diode D5, D6, D7, D8 are constituted, and RL provides direct current to load.
In like manner, when establishing the signal of telecommunication from input 1012,1021 accesses, electric current converts AC signal to direct current signal through the rectifier bridge that rectifier diode D3, D4, D5, D6 are constituted, and RL provides direct current to load.
In like manner, when establishing the signal of telecommunication from input 1011,1022 accesses, electric current converts AC signal to direct current signal through the rectifier bridge that rectifier diode D1, D2, D7, D8 are constituted, and RL provides direct current to load.
In like manner, when establishing the signal of telecommunication from input 1012,1022 accesses, electric current converts AC signal to direct current signal through the rectifier bridge that rectifier diode D3, D4, D7, D8 are constituted, and RL provides direct current to load.
As seen, use the power supply road of present embodiment, the signal of telecommunication of no matter importing is alternating current or direct current, and no matter input is any two in four inputs in the power supply road, can be to the constant current source power supply of LED fluorescent lamp, to make the work of LED fluorescent lamp luminous to the LED power supply.
LED fluorescent lamp with power supply road shown in Figure 1 shown in Figure 2 is installed to the circuit electrical connection graph that uses on the lamp socket of band starter, as shown in Figure 3:
The input 1011,1012,1021,1022 on power supply road respectively with lamp socket on the wiring pin at two ends be electrically connected, on lamp socket, starter is connected electrically in the two ends with input 1011,1021, ac signal inserts from input 1011,1021, when input 1011 is positive pole, rectifier diode D1, load RL, rectifier diode D6 form a loop, and no current flows through starter, so the starter in the lamp socket is inoperative; When input 1011 was negative pole, rectifier diode D5, load RL, rectifier diode D2 formed a loop, and no current flows through starter, so the starter in the lamp socket is inoperative; As seen, the rectifier bridge that this moment, electric current was constituted through rectifier diode D1, D2, D5, D6, convert AC signal to direct current signal, RL provides direct current to load, do not have electric current and flow through starter, starter can not work (can not glimmer, more can not produce instantaneous high pressure), and the starter in the visible lamp socket can not influence the operate as normal of LED fluorescent lamp.
LED fluorescent lamp with power supply road shown in Figure 1 shown in Figure 2 is installed to the circuit electrical connection graph that uses on the lamp socket of charged sub-ballast, as shown in Figure 4, supposes to be input as alternating current:
The input 1011,1012,1021,1022 on power supply road respectively with lamp socket on the wiring pin at two ends be electrically connected, the built-in resonance electric capacity of electric ballast is connected electrically in the two ends with input 1012,1021 on lamp socket, ac signal inserts from input 1011,1021, when input 1011 is positive pole, rectifier diode D1, load RL, rectifier diode D6 form a loop, no current flows through the resonant capacitance C in the electric ballast, electric ballast can not produce the high pressure resonant electrical signals, and promptly electric ballast is inoperative; When input 1011 was negative pole, rectifier diode D5, load RL, rectifier diode D2 formed a loop, and no current flows through the resonant capacitance C in the electric ballast, and electric ballast can not produce the high pressure resonant electrical signals, and promptly electric ballast is inoperative; As seen, the rectifier bridge that this moment, electric current was constituted through rectifier diode D1, D2, D5, D6, convert AC signal to direct current signal, RL provides direct current to load, do not have electric current and flow through resonant capacitance C, electric ballast can not produce the high pressure resonant electrical signals, and the electric ballast in the visible lamp socket can not influence the operate as normal of LED fluorescent lamp.
Therefore, use the power supply road of present embodiment, can realize no matter the power supply input of this lamp socket in which two wiring pin inserts, the signal of telecommunication that inserts is all through a full-bridge rectifier, convert alternating current to direct current, this direct current is inputed to the constant-current source unit of LED fluorescent lamp, to its power supply, to make the work of LED fluorescent lamp luminous to the LED power supply.Adopt this power supply road, electric current can be through starter in the lamp socket or the resonant capacitance C in the electric ballast, and therefore electric ballast or starter wherein can not worked.As seen use the power supply road of present embodiment, can be implemented in and use the LED fluorescent lamp on traditional fluorescent lamp base.
More than double rectifier bridge power supply circuits that the utility model embodiment is provided and be described in detail with the LED fluorescent lamp of these power supply circuits, used specific case herein principle and the execution mode of the utility model embodiment are set forth, the explanation of above embodiment only is applicable to the principle that helps to understand the utility model embodiment; Simultaneously, for one of ordinary skill in the art, according to the utility model embodiment, the part that on embodiment and range of application, all can change, in sum, this description should not be construed as restriction of the present utility model.
Claims (3)
1, a kind of power supply road is characterized in that, comprising: the first full-bridge rectification unit (101), the second full-bridge rectification unit (102), wherein,
Input (1011), (1012) of the described first full-bridge rectification unit (101), and the input (1021) of the second full-bridge rectification unit (102), (1022) are electrically connected with four wiring pin at lamp socket two ends respectively, the output (1013) of the first full-bridge rectification unit (101), (1014) are in parallel with output (1023), (1024) of the second full-bridge rectification unit (102), constant-current source unit with luminous diode lamp fluorescent lamp after parallel connection is electrically connected, for described constant-current source unit provides direct current.
2, power supply according to claim 1 road is characterized in that, the rectifier diode in the described first full-bridge rectification unit (101) and/or the second full-bridge rectification unit (102) is: Schottky rectifier diode and/or fast-recovery commutation diode.
3, a kind of LED fluorescent lamp that comprises power supply as claimed in claim 1 or 2 road.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200820049281XU CN201303436Y (en) | 2008-06-23 | 2008-06-23 | Double rectifier-bridge supply circuit and LED daylight lamp using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200820049281XU CN201303436Y (en) | 2008-06-23 | 2008-06-23 | Double rectifier-bridge supply circuit and LED daylight lamp using same |
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| Publication Number | Publication Date |
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| CN201303436Y true CN201303436Y (en) | 2009-09-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU200820049281XU Expired - Fee Related CN201303436Y (en) | 2008-06-23 | 2008-06-23 | Double rectifier-bridge supply circuit and LED daylight lamp using same |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101925238A (en) * | 2010-09-21 | 2010-12-22 | 深圳北森科技有限公司 | LED fluorescent lamp driving power supply front end circuit |
| CN101839416B (en) * | 2010-02-02 | 2011-12-14 | 鸿富锦精密工业（深圳）有限公司 | Lighting system, general lamp holder thereof and LED lamp thereof |
| WO2012051760A1 (en) * | 2010-10-22 | 2012-04-26 | 达能科技股份有限公司 | Dual-circuit led lamp tube and lamp set |
| CN102454891A (en) * | 2010-10-22 | 2012-05-16 | 达能科技股份有限公司 | Two-loop LED lamp tube and lamp group |
| CN103062664A (en) * | 2013-01-11 | 2013-04-24 | 黑龙江省爱普照明电器有限公司 | Light-emitting diode tube |
| CN104582185A (en) * | 2015-01-13 | 2015-04-29 | 上海顿格电子贸易有限公司 | LED driving power supply circuit |
| CN105430853A (en) * | 2015-12-31 | 2016-03-23 | 吴文武 | Fluorescent lamp electronic ballast for alternating-current and direct-current application |
| CN106870974A (en) * | 2017-03-01 | 2017-06-20 | 深圳驰迅科技有限公司 | A kind of Multi-function compatible type fluorescent tube |
-
2008
- 2008-06-23 CN CNU200820049281XU patent/CN201303436Y/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101839416B (en) * | 2010-02-02 | 2011-12-14 | 鸿富锦精密工业（深圳）有限公司 | Lighting system, general lamp holder thereof and LED lamp thereof |
| CN101925238A (en) * | 2010-09-21 | 2010-12-22 | 深圳北森科技有限公司 | LED fluorescent lamp driving power supply front end circuit |
| WO2012051760A1 (en) * | 2010-10-22 | 2012-04-26 | 达能科技股份有限公司 | Dual-circuit led lamp tube and lamp set |
| CN102454891A (en) * | 2010-10-22 | 2012-05-16 | 达能科技股份有限公司 | Two-loop LED lamp tube and lamp group |
| CN103062664A (en) * | 2013-01-11 | 2013-04-24 | 黑龙江省爱普照明电器有限公司 | Light-emitting diode tube |
| CN104582185A (en) * | 2015-01-13 | 2015-04-29 | 上海顿格电子贸易有限公司 | LED driving power supply circuit |
| CN105430853A (en) * | 2015-12-31 | 2016-03-23 | 吴文武 | Fluorescent lamp electronic ballast for alternating-current and direct-current application |
| CN106870974A (en) * | 2017-03-01 | 2017-06-20 | 深圳驰迅科技有限公司 | A kind of Multi-function compatible type fluorescent tube |
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| C57 | Notification of unclear or unknown address | ||
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Addressee: Sun Yibin Document name: Notification of patent rights granted to utility models and formalities for registration |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Bright lighting (Shenzhen) Co., Ltd. Assignor: Sun Yibin Contract record no.: 2010440000286 Denomination of utility model: Double rectifier-bridge supply circuit and LED daylight lamp using same Granted publication date: 20090902 License type: Exclusive License Record date: 20100323 |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090902 Termination date: 20140623 |
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| EXPY | Termination of patent right or utility model |