CN203761655U - Section-dimming constant current drive power with compatible electronic rectifiers and inductive rectifiers - Google Patents
Section-dimming constant current drive power with compatible electronic rectifiers and inductive rectifiers Download PDFInfo
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- CN203761655U CN203761655U CN201420144862.7U CN201420144862U CN203761655U CN 203761655 U CN203761655 U CN 203761655U CN 201420144862 U CN201420144862 U CN 201420144862U CN 203761655 U CN203761655 U CN 203761655U
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Abstract
The utility model relates to the field of lighting, and provides a section-dimming constant current drive power with compatible electronic rectifiers and inductive rectifiers. The power comprises an AC input circuit, a bridge rectifying circuit, an EMC circuit, a valley-fill PFC circuit and an LED drive circuit which are connected sequentially. The AC input circuit comprises four input terminals 1, 2, 3 and 4 connected to four joints, namely four output ends of an electronic rectifier or inductive rectifier, of two ends of a daylight lamp holder. The LED drive circuit comprises a filter circuit, an IC controller, a switch dimming circuit and a power outputting circuit. The valley-fill PFC circuit is connected to the IC controller and the power outputting circuit electrically, and the switch dimming circuit is connected to the IC controller. The section-dimming constant current drive power can be directly applied to lamps which are controlled by traditional electronic rectifiers and inductive rectifiers so as to replace fluorescent lamps and adjust the brightness of LED lighting lamps.
Description
Technical field
The utility model relates to lighting field.More specifically, the utility model relates to the constant-current driving power supply of sectional dimming compatible electronic rectifier and inductor rectifier.
Background technology
The type of LED fluorescent tube is a lot of at present, but in use, directly replace installation with traditional fluorescent tube, must carry out wiring repacking by makers' explanation and requirement, or remove the part accessory of former lamp installation, not only wasted manpower, also increased extra track remodelling cost, this makes troubles to popularization and the use of LED fluorescent tube.
Utility model content
For above-mentioned defect, the purpose of this utility model has been to provide the constant-current driving power supply of sectional dimming compatible electronic rectifier and inductor rectifier, it can extensive use T4, T5, on T8, T10, H type fluorescent tube, do not need to change any one circuit on existing tube stand and remove starter, and can directly use in the light fixture of conditional electronic and Inductive ballast control use to replace the brightness of fluorescent tube and adjusting LED illuminating lamp tube.
To achieve these goals, the utility model provides the constant-current driving power supply of sectional dimming compatible electronic rectifier and inductor rectifier, comprise the AC input circuit connecting successively, bridge rectifier, EMC circuit, valley fill type pfc circuit and LED drive circuit, described AC input circuit comprise 4 for 4 input terminals that interface is connected at fluorescent lamp base two ends, 4 interfaces at described fluorescent lamp base two ends are four outputs of described electric ballast or described Inductive ballast, LED drive circuit comprises filter circuit, IC controller, switch dimming circuit and power output circuit, described valley fill type pfc circuit is connected with described IC controller and described power output circuit, described switch dimming circuit is connected with described IC controller.
According to constant-current driving power supply of the present utility model, described switch dimming circuit comprises resistance R parallel with one another 0 and capacitor C 0, and after described resistance R 0 is in parallel with capacitor C 0, one end is connected with described IC controller, other end ground connection.
According to constant-current driving power supply of the present utility model, the input terminal 1,2,3,4 of described AC input circuit, wherein two input terminals 1,3 are connected with fuse, and two other terminal 2,4 is connected with inductance.
According to constant-current driving power supply of the present utility model, bridge rectifier comprises respectively distinguishes corresponding four groups of one-way commutation circuit with four input terminals 1,2,3,4, described one-way commutation circuit is made up of two high-frequency diodes respectively, after described four groups of one-way commutation circuit 1,2,3,4 are in parallel, forms a direct-flow positive pole output and a direct current cathode output end.
According to constant-current driving power supply of the present utility model, described EMC circuit comprises 2 the differential mode inductance T1 and the T2 that connect successively, described differential mode inductance T1 is connected on two circuits of described bridge rectifier DC output end, and between differential mode inductance T1 and T2, be parallel with resistance R 10, R11 and safety capacitor C X1, the output of described differential mode inductance T2 connects safety capacitor C X2, and described safety capacitor C X1, CX2 form filter circuit.
Driving power of the present utility model comprises the AC input circuit connecting successively, bridge rectifier, EMC circuit, valley fill type pfc circuit and LED drive circuit, AC input circuit comprises 2 groups of 4 interfaces that access respectively fluorescent lamp base two ends, every group interface divides with bridge rectifier and is connected, for the alternating current of lamp socket output is converted into direct current, and the output after two rectification circuits have transformed merges and connects, EMC filter circuit part is located on two circuits of rectifying part DC output end for filtering differential mode interference, valley fill type PFC circuit is for improving the power factor (PF) of power supply output, LED drive circuit is for distributing and export LED fluorescent tube to the direct current that valley fill type PFC circuit is exported, and driving LED fluorescent light emitting tube, carries out switch by switch on wall (being switch dimming circuit).The ac input end of power supply is after rectification, and the internal processes of IC controller and light modulation RC delay circuit carry out different electric current adjustment to driving power respectively and reached desirable dimming function.Compared with prior art, the utility model product can be by the test of EMC radiation and conduction, the function that can also accomplish the adjustment lighting tube brightness of sectional dimming.Therefore, the utility model can extensive use T4, T5, on T8, T10, H type fluorescent tube, do not need to change any one circuit on existing tube stand and remove starter, and can directly use in the light fixture of conditional electronic and Inductive ballast control use to replace the brightness of fluorescent tube and adjusting LED illuminating lamp tube.
Brief description of the drawings
Fig. 1 is the theory diagram of the constant-current driving power supply of the utility model sectional dimming compatible electronic rectifier and inductor rectifier;
Fig. 2 is the circuit diagram view of a kind of embodiment of constant-current driving power supply of the utility model sectional dimming compatible electronic rectifier and inductor rectifier.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
As Fig. 1, shown in Fig. 2, the utility model provides the constant-current driving power supply of sectional dimming compatible electronic rectifier and inductor rectifier, comprise the AC input circuit 10 connecting successively, bridge rectifier 20, EMC circuit 30, valley fill type pfc circuit 40 and LED drive circuit 50, AC input circuit 10 comprises 4 input terminals 1 for being connected with 4 interfaces at fluorescent lamp base two ends, 2, 3, 4, 4 interfaces at fluorescent lamp base two ends are four outputs of electric ballast or Inductive ballast, to realize constant-current driving power supply compatible electronic rectifier and inductor rectifier.
LED drive circuit 50 comprises filter circuit 51, IC controller 52, switch dimming circuit 53 and power output circuit 54, and valley fill type pfc circuit 40 is connected with IC controller 52 and power output circuit 54, and switch dimming circuit 53 is connected with IC controller 52.
AC input circuit 10 of the present utility model comprises 2 groups of 4 interfaces that access respectively fluorescent lamp base two ends, every group interface divides with bridge rectifier 20 and is connected, for the alternating current of lamp socket output is converted into direct current, and the output after two rectification circuits have transformed merges and connects, EMC circuit part is located on two circuits of rectifying part DC output end for filtering differential mode interference, and valley fill type PFC circuit is for improving the power factor (PF) of power supply output; LED drive circuit is for distributing and export LED fluorescent tube to the direct current that valley fill type PFC circuit is exported, and driving LED fluorescent light emitting tube, carries out switch by switch on wall (being switch dimming circuit 53).The ac input end of power supply is after rectification, and the internal processes of IC controller and light modulation RC delay circuit carry out different electric current adjustment to driving power respectively and reached desirable dimming function.Compared with prior art, the utility model product can be by the test of EMC radiation and conduction, the function that can also accomplish the adjustment lighting tube brightness of sectional dimming.Therefore, the utility model can extensive use T4, T5, on T8, T10, H type fluorescent tube, do not need to change any one circuit on existing tube stand and remove starter, and can directly use in the light fixture of conditional electronic and Inductive ballast control use to replace the brightness of fluorescent tube and adjusting LED illuminating lamp tube.And power supply of the present utility model, simple in structure, coefficient of safety is high, and power factor is large, and long service life.
As shown in Figure 2, switch dimming circuit 53 comprises resistance R parallel with one another 0 and capacitor C 0, and after resistance R 0 is in parallel with capacitor C 0, one end is connected with IC controller 52, other end ground connection.Sectional dimming carries out sectional dimming by switch on wall, switch on wall within 1 minute switching time every switch once, brightness just from 70%, the brightness of adjustment back and forth of %50, %30 circulation, light modulation device carries out brightness adjustment control by R0 and C0.
As shown in Figure 2, the input terminal 1,2,3,4 of AC input circuit 10, wherein two input terminals 1,3 are connected with fuse, and two other terminal 2,4 is connected with inductance.
As shown in Figure 2, bridge rectifier 20 comprises respectively distinguishes corresponding four groups of one-way commutation circuit with four input terminals 1,2,3,4, described one-way commutation circuit is made up of two high-frequency diodes respectively, after described four groups of one-way commutation circuit 1,2,3,4 are in parallel, forms a direct-flow positive pole output and a direct current cathode output end.
According to constant-current driving power supply of the present utility model, EMC circuit 30 comprises 2 the differential mode inductance T1 and the T2 that connect successively, differential mode inductance T1 is connected on two circuits of bridge rectifier 20 DC output ends, and between differential mode inductance T1 and T2, be parallel with resistance R 10, R11 and safety capacitor C X1, the output of differential mode inductance T2 connects safety capacitor C X2, and safety capacitor C X1, CX2 form filter circuit 51.
As shown in Figure 2, valley fill type pfc circuit 40 is by resistance R 1, and capacitor C 2, C3 and diode D0, D1, D2 form.
The compatibility that the utility model meets existing fluorescent tube inductor rectifier and electron rectifier is completely used.Also be that existing traditional fluorescent tube is provided with electric ballast and Inductive ballast, existing LED fluorescent tube is compatible electronic ballast and Inductive ballast use simultaneously, the present invention is specifically at rectifier diode: D1, D2, D3, D4, D5, D6, D7, D8 is upper to be gone here and there and uses, add that the special power supply chip reactance voltage of use is high, can reach the peak value high pressure of 900V moment, IC chip energy consumption is low, provide reliable mentality of designing for electronics and inductance compatibility, and can accomplish just can carry out without any dimmer the use of light modulation, thereby met the designing requirement of energy-saving illumination transformation. solve and overcome can not compatible rectifier problem, and break through the general fluorescent tube of current existence at LED lighting field and replaced compatible problem.
In sum, driving power of the present utility model comprises the AC input circuit connecting successively, bridge rectifier, EMC circuit, valley fill type pfc circuit and LED drive circuit, AC input circuit comprises 2 groups of 4 interfaces that access respectively fluorescent lamp base two ends, every group interface divides with bridge rectifier and is connected, for the alternating current of lamp socket output is converted into direct current, and the output after two rectification circuits have transformed merges and connects, EMC circuit part is located on two circuits of rectifying part DC output end for filtering differential mode interference, valley fill type PFC circuit is for improving the power factor (PF) of power supply output, LED drive circuit is for distributing and export LED fluorescent tube to the direct current that valley fill type PFC circuit is exported, and driving LED fluorescent light emitting tube, carries out switch by switch on wall (being switch dimming circuit).The ac input end of power supply is after rectification, and the internal processes of IC controller and light modulation RC delay circuit carry out different electric current adjustment to driving power respectively and reached desirable dimming function.Compared with prior art, the utility model product can be by the test of EMC radiation and conduction, the function that can also accomplish the adjustment lighting tube brightness of sectional dimming.Therefore, the utility model can extensive use T4, T5, on T8, T10, H type fluorescent tube, do not need to change any one circuit on existing tube stand and remove starter, and can directly use in the light fixture of conditional electronic and Inductive ballast control use to replace the brightness of fluorescent tube and adjusting LED illuminating lamp tube.
Be appreciated that above description and accompanying drawing are only used for explaining the utility model, apparent, also can adopt additive method to change and amendment the utility model not departing from impracticable novel scope situation.
Claims (5)
1. the constant-current driving power supply of sectional dimming compatible electronic rectifier and inductor rectifier, comprise the AC input circuit connecting successively, bridge rectifier, EMC circuit, valley fill type pfc circuit and LED drive circuit, it is characterized in that, AC input circuit comprises 4 input terminals 1 for being connected with 4 interfaces at fluorescent lamp base two ends, 2, 3, 4, 4 interfaces at fluorescent lamp base two ends are four outputs of electric ballast or Inductive ballast, LED drive circuit comprises filter circuit, IC controller, switch dimming circuit and power output circuit, valley fill type pfc circuit is connected with IC controller and power output circuit, switch dimming circuit is connected with IC controller.
2. constant-current driving power supply according to claim 1, is characterized in that, described switch dimming circuit comprises resistance R parallel with one another 0 and capacitor C 0, and after described resistance R 0 is in parallel with capacitor C 0, one end is connected with described IC controller, other end ground connection.
3. constant-current driving power supply according to claim 1, is characterized in that, the input terminal 1,2,3,4 of described AC input circuit, and wherein two input terminals 1,3 are connected with fuse, and two other terminal 2,4 is connected with inductance.
4. constant-current driving power supply according to claim 1, it is characterized in that, bridge rectifier comprises respectively distinguishes corresponding four groups of one-way commutation circuit with four input terminals 1,2,3,4, described one-way commutation circuit is made up of two high-frequency diodes respectively, after described four groups of one-way commutation circuit 1,2,3,4 are in parallel, forms a direct-flow positive pole output and a direct current cathode output end.
5. constant-current driving power supply according to claim 4, it is characterized in that, described EMC circuit comprises 2 the differential mode inductance T1 and the T2 that connect successively, described differential mode inductance T1 is connected on two circuits of described bridge rectifier DC output end, and between differential mode inductance T1 and T2, be parallel with resistance R 10, R11 and safety capacitor C X1, the output of described differential mode inductance T2 connects safety capacitor C X2, and described safety capacitor C X1, CX2 form described filter circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420144862.7U CN203761655U (en) | 2014-03-27 | 2014-03-27 | Section-dimming constant current drive power with compatible electronic rectifiers and inductive rectifiers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420144862.7U CN203761655U (en) | 2014-03-27 | 2014-03-27 | Section-dimming constant current drive power with compatible electronic rectifiers and inductive rectifiers |
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| CN203761655U true CN203761655U (en) | 2014-08-06 |
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| CN201420144862.7U Expired - Fee Related CN203761655U (en) | 2014-03-27 | 2014-03-27 | Section-dimming constant current drive power with compatible electronic rectifiers and inductive rectifiers |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016095754A1 (en) * | 2014-12-18 | 2016-06-23 | 袁传发 | Led lamp circuit compatible with electronic rectifier |
-
2014
- 2014-03-27 CN CN201420144862.7U patent/CN203761655U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016095754A1 (en) * | 2014-12-18 | 2016-06-23 | 袁传发 | Led lamp circuit compatible with electronic rectifier |
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| 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: 20140806 Termination date: 20170327 |