CN204498418U - The LED of a kind of compatible with alternating power supply and electric ballast - Google Patents
The LED of a kind of compatible with alternating power supply and electric ballast Download PDFInfo
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- CN204498418U CN204498418U CN201520114033.9U CN201520114033U CN204498418U CN 204498418 U CN204498418 U CN 204498418U CN 201520114033 U CN201520114033 U CN 201520114033U CN 204498418 U CN204498418 U CN 204498418U
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- led
- circuit
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- luminescence component
- power supply
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Abstract
The utility model provides one directly can replace both-end tubular fluorescent lamp by original electronic ballast for fluoresent lamp driving work, directly can connect again a kind of compatible with alternating power supply of AC power work and the LED of electric ballast; Be made up of rectification circuit, current-limiting circuit, LED luminescence component DLEDs, filter circuit, buffer circuit, LED drive circuit, rectification circuit is connected to lamp base, the output of rectification circuit is connected with the LED luminescence component DLEDs be connected in parallel and filter circuit through current-limiting circuit, the another side of LED luminescence component DLEDs connects LED drive circuit through buffer circuit, and LED drive circuit connects the pin of LED.Advantage is, completes that fluorescent lighting lamp is transformed into LED illumination lamp with minimum labour cost, facilitates again and is not using the occasion of electric ballast directly to use ac power supply.
Description
Technical field
The utility model relates to a kind of illuminating LED lamp, particularly the LED of a kind of compatible with alternating power supply and electric ballast.
Background technology
Semiconductor light-emitting-diode LED, as desirable green light source, has the long-life, energy saving, rich color, and colorimetric purity is high, is easy to regulate brightness, and antidetonation is shock-resistant, compact, is easy to form distinguishing feature and the advantages such as point, line, surface illumination group combined lamps.LED light spectrum is without infrared ray, ultraviolet radiation, and more the mercury poison of unstressed configuration lamp pollutes.LED is as desirable green light source, more in widespread attention, has obtained development at full speed especially in recent years.
The fluorescent lighting lamp that the LED illumination lamp of semiconductor substitutes low pressure gaseous discharge has been a kind of trend.LED has the requirement having diverse operating characteristic and operating voltage with gaseous discharge lamp, and LED usually needs the special drive unit with constant voltage and current-limiting function and drives.The special feature development for LED component has gone out the LED driver of numerous types, and forms panoramic illuminating lamp together with LED component.Wherein, to have in both-end tubular LED lamp the corresponding drive circuit of device, no longer need the necessary electric ballast of fluorescent lamp, directly connecting communication power supply can normally work.People do not abandon directly utilizing yet and drive the ballast of fluorescent lamp to carry out driving LED luminescence component, realize the effort that existing fluorescent lighting lamp is transformed, develop and multiplely substitute LED drive circuit with special adapter circuit, under the condition of connection not changing original electric ballast and lamp socket on light fixture, directly replace the both-end tubular LED lamp of fluorescent tube.
The utility model proposes one both directly to have connected AC power and can normally work, also can make the both-end LED of drive source by electric ballast.Use this both-end LED, consumer both can select to adopt ac power supply, also can not change original electric ballast mode of connection, directly replace fluorescent lamp.Under rear a kind of service condition, lost efficacy once when ballast, and LED still can be made to work on through simple change wiring.The LED of this compatible with alternating power supply and electric ballast, to promoting that the universal of LED product has positive effect.
Summary of the invention
Technical problem to be solved in the utility model is that both-end tubular LED lamp directly can replace both-end tubular fluorescent lamp by original electronic ballast for fluoresent lamp driving work, can directly connect AC power and work again.
The LED of a kind of compatible with alternating power supply of the utility model and electric ballast, by rectification circuit (10), current-limiting circuit (20), LED luminescence component DLEDs(30), filter circuit (40), buffer circuit (50), LED drive circuit (60) forms, it is characterized in that: rectification circuit (10) is connected to lamp base A1(L) and B1, the output of rectification circuit (10) is through current-limiting circuit (20) and the LED luminescence component DLEDs(30 be connected in parallel) and filter circuit (40) be connected, LED luminescence component DLEDs(30) another side through buffer circuit (50) connect LED drive circuit (60), LED drive circuit (60) connects the pin A1(L of LED) and A2(N).
Described buffer circuit (50) is at the output of LED drive circuit (60) and LED luminescence component DLEDs(30) between, be connected in series a reverse-blocking tetrode thyristor pipe Q1, reverse-blocking tetrode thyristor pipe Q1 promotes the control of diode D5 through divider resistance R2 and R3 partial pressure value and voltage by LED both end voltage, when LED is driven by electronic ballast for fluoresent lamp, disconnect LED luminescence component DLEDs(30) with the connection of LED drive circuit (60), when LED connects AC power, connect LED luminescence component DLEDs(30) with the connection of LED drive circuit (60).
Described current-limiting circuit (20) is serial connection one inductance L 1 and LED luminescence component DLEDs(30 after rectification circuit (10) exports) be connected.
Described current-limiting inductance L1 is common mode inductance.
Described filter circuit (40) is attempted by LED luminescence component DLEDs(30) the RC filter circuit at two ends.
Described rectification circuit (10) is full-bridge rectifier, connects lamp base B1 through coupling capacitance C1, connects lamp base A1, do rectification to the high-frequency current inputted from electronic ballast for fluoresent lamp through C2.
Described LED luminescence component DLEDs(30) be connected in series by light-emitting diode the assembly that a string or multi-series and parallel that forms joins.
Described LED drive circuit (60) is and LED luminescence component DLEDs(30) adaptive LED driver, its connect AC power input on connect anti-interference capacitor C6, output through isolating diode D6 to LED luminescence component DLEDs(30) output driving current.
It is voltage stabilizing didoe that voltage in described buffer circuit (50) promotes diode D5, or diac.
The utility model has the advantages that, can directly replace existing with electric ballast drive fluorescent lamp and any change need not be done to the wiring of light fixture, complete with minimum labour cost and fluorescent lighting lamp is transformed into LED illumination lamp, facilitate again and do not using the occasion of electric ballast directly to use ac power supply.
Accompanying drawing explanation
Fig. 1 is the utility model block diagram
Fig. 2 is the electrical schematic diagram of the utility model LED;
Fig. 3 is the connection layout of the utility model LED and AC power
Fig. 4 is the connection layout of the utility model LED and electronic ballast for fluoresent lamp
Number in the figure explanation
Embodiment
The utility model is that one directly can replace both-end tubular fluorescent lamp by original electronic ballast for fluoresent lamp driving work, directly can connect AC power again and the both-end tubular LED lamp worked.
Accompanying drawings, the utility model will be further described.
The LED of a kind of compatible with alternating power supply of the utility model and electric ballast, by rectification circuit (10), current-limiting circuit (20), LED luminescence component DLEDs(30), filter circuit (40), buffer circuit (50), LED drive circuit (60) forms, it is characterized in that: rectification circuit (10) is connected to lamp base A1(L) and B1, the output of rectification circuit (10) is through current-limiting circuit (20) and the LED luminescence component DLEDs(30 be connected in parallel) and filter circuit (40) be connected, LED luminescence component DLEDs(30) another side through buffer circuit (50) connect LED drive circuit (60), LED drive circuit (60) connects the pin A1(L of LED) and A2(N).
Described buffer circuit (50) is at the output of LED drive circuit (60) and LED luminescence component DLEDs(30) between, be connected in series a reverse-blocking tetrode thyristor pipe Q1, reverse-blocking tetrode thyristor pipe Q1 promotes the control of diode D5 through divider resistance R2 and R3 partial pressure value and voltage by LED both end voltage, when LED is driven by electronic ballast for fluoresent lamp, disconnect LED luminescence component DLEDs(30) with the connection of LED drive circuit (60), when LED connects AC power, connect LED luminescence component DLEDs(30) with the connection of LED drive circuit (60).
Described current-limiting circuit (20) is serial connection one inductance L 1 and LED luminescence component DLEDs(30 after rectification circuit (10) exports) be connected.
Described current-limiting inductance L1 is common mode inductance.
Described filter circuit (40) is attempted by LED luminescence component DLEDs(30) the RC filter circuit at two ends.
Described rectification circuit (10) is full-bridge rectifier, connects lamp base B1 through coupling capacitance C1, connects lamp base A1, do rectification to the high-frequency current inputted from electronic ballast for fluoresent lamp through C2.
Described LED luminescence component DLEDs(30) be connected in series by light-emitting diode the assembly that a string or multi-series and parallel that forms joins.
Described LED drive circuit (60) is and LED luminescence component DLEDs(30) adaptive LED driver, its connect AC power input on connect anti-interference capacitor C6, output through isolating diode D6 to LED luminescence component DLEDs(30) output driving current.
It is voltage stabilizing didoe that voltage in described buffer circuit (50) promotes diode D5, or diac.
With reference to accompanying drawing 2:
In described rectification circuit (10), one end of coupling capacitance C1 is connected with lamp base B1, and the other end of coupling capacitance C1 is connected with the negative pole of the positive pole of rectifier diode D1 and rectifier diode D3.One end of coupling capacitance C2 is connected with the positive pole of rectifier diode D2 and the negative pole of rectifier diode D4, the other end and the lamp base A1(L of coupling capacitance C2) be connected.
The negative pole of rectifier diode D1 with D2 is connected the Same Name of Ends 3 of current-limiting inductance L1 in described current-limiting circuit (20), and the positive pole of rectifier diode D3 with D4 is connected the Same Name of Ends 1 of current-limiting inductance L1.
What be connected with the non-same polarity 4 of current-limiting inductance L1 has: the anode of LED luminescence component DLEDs, one end of filter resistance R1 in described filter circuit (40), the positive pole of filter capacitor C3, one end of filter capacitor C4, one end of divider resistance R2, and the negative pole of isolating diode D6 in described LED drive circuit (60).What be connected with the non-same polarity 2 of current-limiting inductance L1 has: the negative terminal of LED luminescence component DLEDs, the other end of filter resistance R1, the negative pole of filter capacitor C3, the other end of filter capacitor C4, and the anode A of the middle reverse-blocking tetrode thyristor pipe Q1 of described buffer circuit (50).
In described buffer circuit (50), the negative electrode K of reverse-blocking tetrode thyristor pipe Q1 and one end of divider resistance R3, an output of the LED driver in one end of filter capacitor C5 and described LED drive circuit (60) is connected.Divider resistance R2 and the R3 other end, the other end of filter capacitor C5, and the negative pole of voltage lifting diode D5 links together.
In described LED drive circuit (60), another output of LED driver is connected with the positive pole of isolating diode D6.An input of LED driver is connected to lamp base A1(L) and one end of anti-interference capacitor C6, another input of LED driver is connected to lamp base A2(N) and the other end of anti-interference capacitor C6.
The LED of a kind of compatible with alternating power supply of the utility model and electric ballast, with the connection of AC power as shown in Figure 3.The lamp base A1(L of LED (1)) the phase line L of AC power, the lamp base A2(N of LED is met through mains switch K) be directly connected with the center line N of AC power.
The LED of a kind of compatible with alternating power supply of the utility model and electric ballast and the connection of electronic ballast for fluoresent lamp are as shown in Figure 4.The input of electronic ballast for fluoresent lamp (2) connects with AC power phase line L and center line N through mains switch K respectively.One group of electronic ballast for fluoresent lamp (2) exports the lamp base A1(L with the utility model LED (1)) with A2(N) be connected, another group output of electronic ballast for fluoresent lamp (2) is connected with lamp base B1 with B2 of the utility model LED (1).
Claims (9)
1. the LED of a compatible with alternating power supply and electric ballast, by rectification circuit (10), current-limiting circuit (20), LED luminescence component DLEDs(30), filter circuit (40), buffer circuit (50), LED drive circuit (60) forms, it is characterized in that: rectification circuit (10) is connected to lamp base A1 and B1, the output of rectification circuit (10) is through current-limiting circuit (20) and the LED luminescence component DLEDs(30 be connected in parallel) and filter circuit (40) be connected, LED luminescence component DLEDs(30) another side through buffer circuit (50) connect LED drive circuit (60), LED drive circuit (60) connects pin A1 and A2 of LED.
2. the LED of compatible with alternating power supply according to claim 1 and electric ballast, it is characterized in that: described buffer circuit (50) is at the output of LED drive circuit (60) and LED luminescence component DLEDs(30) between, be connected in series a reverse-blocking tetrode thyristor pipe Q1, reverse-blocking tetrode thyristor pipe Q1 promotes the control of diode D5 through divider resistance R2 and R3 partial pressure value and voltage by LED both end voltage, when LED is driven by electronic ballast for fluoresent lamp, disconnect LED luminescence component DLEDs(30) with the connection of LED drive circuit (60), when LED connects AC power, connect LED luminescence component DLEDs(30) with the connection of LED drive circuit (60).
3. the LED of compatible with alternating power supply according to claim 1 and electric ballast, is characterized in that: described current-limiting circuit (20) is serial connection one inductance L 1 and LED luminescence component DLEDs(30 after rectification circuit (10) exports) be connected.
4. the LED of compatible with alternating power supply according to claim 3 and electric ballast, is characterized in that: described current-limiting inductance L1 is common mode inductance.
5. the LED of compatible with alternating power supply according to claim 1 and electric ballast, is characterized in that: described filter circuit (40) is attempted by LED luminescence component DLEDs(30) the RC filter circuit at two ends.
6. the LED of compatible with alternating power supply according to claim 1 and electric ballast, it is characterized in that: described rectification circuit (10) is full-bridge rectifier, connect lamp base B1 through coupling capacitance C1, connect lamp base A1 through C2, rectification is done to the high-frequency current inputted from electronic ballast for fluoresent lamp.
7. the LED of compatible with alternating power supply according to claim 1 and electric ballast, is characterized in that: described LED luminescence component DLEDs(30) be connected in series by light-emitting diode the assembly that a string or multi-series and parallel that forms joins.
8. the LED of compatible with alternating power supply according to claim 1 and electric ballast, it is characterized in that: described LED drive circuit (60) is and LED luminescence component DLEDs(30) adaptive LED driver, its input connecting AC power connects anti-interference capacitor C6, output through isolating diode D6 to LED luminescence component DLEDs(30) output driving current.
9. the LED of compatible with alternating power supply according to claim 2 and electric ballast, is characterized in that: it is voltage stabilizing didoe that the voltage in described buffer circuit (50) promotes diode D5, or diac.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520114033.9U CN204498418U (en) | 2015-02-17 | 2015-02-17 | The LED of a kind of compatible with alternating power supply and electric ballast |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520114033.9U CN204498418U (en) | 2015-02-17 | 2015-02-17 | The LED of a kind of compatible with alternating power supply and electric ballast |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204498418U true CN204498418U (en) | 2015-07-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520114033.9U Expired - Fee Related CN204498418U (en) | 2015-02-17 | 2015-02-17 | The LED of a kind of compatible with alternating power supply and electric ballast |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204498418U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105657895A (en) * | 2016-01-31 | 2016-06-08 | 惠州市时宇虹光电科技有限公司 | Method for simultaneously adapting driving of LED lamp with electric supply input and electronic ballast input |
| WO2020088521A1 (en) * | 2018-10-30 | 2020-05-07 | 嘉兴山蒲照明电器有限公司 | Led straight lamp and power supply module thereof |
-
2015
- 2015-02-17 CN CN201520114033.9U patent/CN204498418U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105657895A (en) * | 2016-01-31 | 2016-06-08 | 惠州市时宇虹光电科技有限公司 | Method for simultaneously adapting driving of LED lamp with electric supply input and electronic ballast input |
| CN105657895B (en) * | 2016-01-31 | 2019-06-21 | 惠州市时宇虹光电科技有限公司 | A kind of method that LED light drives while being adapted to alternating current input and electric ballast input |
| WO2020088521A1 (en) * | 2018-10-30 | 2020-05-07 | 嘉兴山蒲照明电器有限公司 | Led straight lamp and power supply module thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180824 Address after: 201100 room 3, 2 building, 7001 Chung Chun Road, Minhang District, Shanghai, G3139 Patentee after: GUYUAN PHOTOELECTRIC TECHNOLOGY (SHANGHAI) CO.,LTD. Address before: Room 301, room 700, 17, Daning Road, Zhabei District, Shanghai Patentee before: Zhang Xiuhong |
|
| 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: 20150722 Termination date: 20220217 |