CN205610980U - High power factor who eliminates LED low -frequency current ripple does not have stroboscopic ball bubble lamp circuit - Google Patents
High power factor who eliminates LED low -frequency current ripple does not have stroboscopic ball bubble lamp circuit Download PDFInfo
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- CN205610980U CN205610980U CN201620208250.9U CN201620208250U CN205610980U CN 205610980 U CN205610980 U CN 205610980U CN 201620208250 U CN201620208250 U CN 201620208250U CN 205610980 U CN205610980 U CN 205610980U
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Abstract
The utility model discloses a high power factor who eliminates LED low -frequency current ripple does not have stroboscopic ball bubble lamp circuit, this circuit includes: insurance resistance, filtering part, rectification part, constant current control section, the filtering of constant current output, adjuster part. Utility model's advantage lies in: design simple structure, peripheral device is few, very big saving the volume and the cost of product, suitable production. Eliminate LED low -frequency current ripple to reach and eliminate stroboscopic mesh.
Description
Technical field
This utility model relates to bulb lamp circuit, a kind of High Power Factor eliminating LED low-frequency current ripple without
Stroboscopic bulb lamp circuit.
Background technology
Common High Power Factor bulb lamp, also exists serious stroboscopic, work under such lighting environment for a long time,
Study, it is easy to make people tired.
Summary of the invention
The purpose of this utility model is to provide a kind of High Power Factor eliminating LED low-frequency current ripple to steep without stroboscopic ball
Circuit for lamp.
The technical solution of the utility model is: a kind of High Power Factor eliminating LED low-frequency current ripple steeps without stroboscopic ball
Circuit for lamp, this circuit includes: insurance resistance, filtering part, rectifying part, current constant control part, the filtering of constant current output end, adjustment
Device part；Insurance resistance F1；Rectification filtering part divides and includes electric capacity C1, electric capacity C2, resistance R0, filter inductance L2；Rectification part subpackage
Include rectifier bridge stack DB1；Current constant control part includes resistance R1, resistance R2, resistance R3, resistance R4, resistance R5, resistance R6, resistance
R7, resistance R8, resistance R6B, electric capacity C3, electric capacity C4, electric capacity C5, electric capacity C6, electric capacity C8, diode D2, diode D3, control core
Sheet U1 chip model is WS3418, inductance L1；The filtering of constant current output end includes electric capacity E1, resistance R9；Adjustor part includes electricity
Resistance R10, control chip U2 chip model are WS9931.
External AC power supply input live wire end L accesses one end therein of rectifier bridge stack DB1, resistance through insurance resistance F1
R0 and filter inductance L2 is coupled in parallel to the other end of external AC power supply input zero line side N and rectifier bridge stack DB1, and electric capacity C2 is also
Connection is linked into junction point and input AC zero line side N, the rectifier bridge stack DB1 output negative pole of insurance resistance F1 and rectifier bridge stack DB1
Being linked into earth terminal, rectifier bridge stack DB1 output cathode end is through the 3 foot positions of resistance R1, R2 to control chip U1, and electric capacity C1 is in parallel
Access rectifier bridge stack DB1 positive and negative electrode outfan, after electric capacity C4, C6 parallel connection, access 3 foot position and the earth terminals of control chip U1, control
5, the 6 foot position parallel connections of coremaking sheet U1 access rectifier bridge stack DB1 output cathode end, and rectifier bridge stack DB1 output cathode end passes through electric capacity
C5 is to the positive pole of diode D3, and diode D3 negative pole series resistance R6, the 3 foot positions of R6B to control chip U1, resistance R7, R8 are also
Coupling the 4 foot positions into diode D3 positive terminal Yu control chip U1, inductance L1 parallel connection accesses diode D3 positive terminal and earth terminal,
The 2 foot positions of control chip U1 are directly accessed earth terminal, and earth terminal, resistance R5 are accessed by electric capacity C3 in the 1 foot position of control chip U1
The 4 foot positions of Access Control chip U1 in parallel and the 2 foot positions of control chip U1, the 7 foot positions of control chip U1,8 bipod positions, foot position are also
Coupling into diode D2 negative pole, diode D2 positive pole accesses earth terminal, and electric capacity C8 parallel connection accesses diode D2 positive and negative end, electricity
The resistance 7 foot positions of R3, R4 parallel connection Access Control chip U1,8 foot position and earth terminals, electric capacity E1, resistance R9 parallel connection access diode D3
Positive pole and earth terminal, diode D3 positive terminal is linked into direct current output cathode, and direct current output cathode passes through resistance R10 Access Control
The 2 foot positions of chip U2, it is provided that to control chip U2 running voltage, the 7 foot positions of control chip U2 and 8 foot positions are coupled in parallel to ground connection
End, the 5 foot positions of the U2 of control chip are to DC output end negative pole.
The utility model has the advantage of: design simple in construction, peripheral components is few, saved greatly product volume and
Cost, suitable for producing.Eliminate LED low-frequency current ripple, thus reach to eliminate the purpose of stroboscopic.
Accompanying drawing explanation
Fig. 1 is that a kind of High Power Factor of LED low-frequency current ripple that eliminates of this utility model is without stroboscopic bulb lamp circuit diagram.
Detailed description of the invention
A kind of High Power Factor eliminating LED low-frequency current ripple includes without stroboscopic bulb lamp circuit, this circuit: insurance electricity
Resistance, filtering part, rectifying part, current constant control part, the filtering of constant current output end, adjustor part；Insurance resistance F1；Rectification is filtered
Ripple part includes electric capacity C1, electric capacity C2, resistance R0, filter inductance L2；Rectifying part includes rectifier bridge stack DB1；Current constant control portion
Point include resistance R1, resistance R2, resistance R3, resistance R4, resistance R5, resistance R6, resistance R7, resistance R8, resistance R6B, electric capacity C3,
Electric capacity C4, electric capacity C5, electric capacity C6, electric capacity C8, diode D2, diode D3, control chip U1, inductance L1；Constant current output end is filtered
Ripple includes electric capacity E1, resistance R9；Adjustor part includes resistance R10, control chip U2.
External AC power supply input live wire end L accesses one end therein of rectifier bridge stack DB1, resistance through insurance resistance F1
R0 and filter inductance L2 is coupled in parallel to the other end of external AC power supply input zero line side N and rectifier bridge stack DB1, and electric capacity C2 is also
Connection is linked into junction point and input AC zero line side N, the rectifier bridge stack DB1 output negative pole of insurance resistance F1 and rectifier bridge stack DB1
Being linked into earth terminal, rectifier bridge stack DB1 output cathode end is through the 3 foot positions of resistance R1, R2 to control chip U1, and electric capacity C1 is in parallel
Access rectifier bridge stack DB1 positive and negative electrode outfan, after electric capacity C4, C6 parallel connection, access 3 foot position and the earth terminals of control chip U1, control
5, the 6 foot position parallel connections of coremaking sheet U1 access rectifier bridge stack DB1 output cathode end, and rectifier bridge stack DB1 output cathode end passes through electric capacity
C5 is to the positive pole of diode D3, and diode D3 negative pole series resistance R6, the 3 foot positions of R6B to control chip U1, resistance R7, R8 are also
Coupling the 4 foot positions into diode D3 positive terminal Yu control chip U1, inductance L1 parallel connection accesses diode D3 positive terminal and earth terminal,
The 2 foot positions of control chip U1 are directly accessed earth terminal, and earth terminal, resistance R5 are accessed by electric capacity C3 in the 1 foot position of control chip U1
The 4 foot positions of Access Control chip U1 in parallel and the 2 foot positions of control chip U1, the 7 foot positions of control chip U1,8 bipod positions, foot position are also
Coupling into diode D2 negative pole, diode D2 positive pole accesses earth terminal, and electric capacity C8 parallel connection accesses diode D2 positive and negative end, electricity
The resistance 7 foot positions of R3, R4 parallel connection Access Control chip U1,8 foot position and earth terminals, electric capacity E1, resistance R9 parallel connection access diode D3
Positive pole and earth terminal, diode D3 positive terminal is linked into direct current output cathode, and direct current output cathode passes through resistance R10 Access Control
The 2 foot positions of chip U2, it is provided that to control chip U2 running voltage, the 7 foot positions of control chip U2 and 8 foot positions are coupled in parallel to ground connection
End, the 5 foot positions of the U2 of control chip are to DC output end negative pole.
After the input of system end powers on, by insurance resistance F1, part filtering after filtering, then by built-in active
PFC control circuit, it is thus achieved that high PF value and the lowest THD, is worked by the system of control chip and reaches constant current output, stable
Constant current part be adjusted device part, adjustor part be mainly used to eliminate LED low-frequency current ripple, thus reach eliminate frequency
The purpose dodged, and be that the peripheral components of only a few can realize LED outfan filter function, save the body of product greatly
Amass and cost.
Claims (1)
1. the High Power Factor eliminating LED low-frequency current ripple is without stroboscopic bulb lamp circuit, it is characterised in that: this circuit bag
Include: insurance resistance, filtering part, rectifying part, current constant control part, the filtering of constant current output end, adjustor part；Insurance resistance
F1；Rectification filtering part divides and includes electric capacity C1, electric capacity C2, resistance R0, filter inductance L2；Rectifying part includes rectifier bridge stack DB1；Permanent
Flow control part is divided and is included resistance R1, resistance R2, resistance R3, resistance R4, resistance R5, resistance R6, resistance R7, resistance R8, resistance
R6B, electric capacity C3, electric capacity C4, electric capacity C5, electric capacity C6, electric capacity C8, diode D2, diode D3, control chip U1 model are
WS3418, inductance L1；The filtering of constant current output end includes electric capacity E1, resistance R9；Adjustor part includes resistance R10, control chip
U2 model is WS9931；
External AC power supply input live wire end L through insurance resistance F1 access rectifier bridge stack DB1 one end therein, resistance R0 with
Filter inductance L2 is coupled in parallel to the other end of external AC power supply input zero line side N and rectifier bridge stack DB1, and electric capacity C2 also couples
Entering the junction point to insurance resistance F1 and rectifier bridge stack DB1 and input AC zero line side N, rectifier bridge stack DB1 output negative pole accesses
To earth terminal, rectifier bridge stack DB1 output cathode end is through the 3 foot positions of resistance R1, R2 to control chip U1, and electric capacity C1 parallel connection accesses
Rectifier bridge stack DB1 positive and negative electrode outfan, accesses 3 foot position and the earth terminals of control chip U1 after electric capacity C4, C6 parallel connection, control core
The 5 of sheet U1,6 foot position parallel connections access rectifier bridge stack DB1 output cathode end, and rectifier bridge stack DB1 output cathode end is arrived by electric capacity C5
The positive pole of diode D3, diode D3 negative pole series resistance R6, the 3 foot positions of R6B to control chip U1, resistance R7, R8 also couple
Entering 4 foot positions of diode D3 positive terminal and control chip U1, inductance L1 parallel connection accesses diode D3 positive terminal and earth terminal, controls
The 2 foot positions of chip U1 are directly accessed earth terminal, and earth terminal is accessed by electric capacity C3 in the 1 foot position of control chip U1, and resistance R5 is in parallel
The 4 foot positions of Access Control chip U1 and the 2 foot positions of control chip U1, the 7 foot positions of control chip U1,8 bipod positions, foot position also couple
Entering diode D2 negative pole, diode D2 positive pole accesses earth terminal, and electric capacity C8 parallel connection accesses diode D2 positive and negative end, resistance
The 7 foot positions of R3, R4 parallel connection Access Control chip U1,8 foot position and earth terminals, electric capacity E1, resistance R9 parallel connection are just accessing diode D3
Pole and earth terminal, diode D3 positive terminal is linked into direct current output cathode, and direct current output cathode passes through resistance R10 Access Control core
The 2 foot positions of sheet U2, it is provided that to control chip U2 running voltage, the 7 foot positions of control chip U2 and 8 foot positions are coupled in parallel to ground connection
End, the 5 foot positions of the U2 of control chip are to DC output end negative pole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620208250.9U CN205610980U (en) | 2016-03-18 | 2016-03-18 | High power factor who eliminates LED low -frequency current ripple does not have stroboscopic ball bubble lamp circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620208250.9U CN205610980U (en) | 2016-03-18 | 2016-03-18 | High power factor who eliminates LED low -frequency current ripple does not have stroboscopic ball bubble lamp circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205610980U true CN205610980U (en) | 2016-09-28 |
Family
ID=56962384
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620208250.9U Expired - Fee Related CN205610980U (en) | 2016-03-18 | 2016-03-18 | High power factor who eliminates LED low -frequency current ripple does not have stroboscopic ball bubble lamp circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205610980U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108075626A (en) * | 2016-11-18 | 2018-05-25 | 佛山市顺德区美的电热电器制造有限公司 | Electromagnetic compatibility filter circuit, DC power supply and household electrical appliance |
| CN108591849A (en) * | 2018-07-10 | 2018-09-28 | 横店集团得邦照明股份有限公司 | A kind of no stroboscopic DOB integral LEDs lamp and its implementation |
-
2016
- 2016-03-18 CN CN201620208250.9U patent/CN205610980U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108075626A (en) * | 2016-11-18 | 2018-05-25 | 佛山市顺德区美的电热电器制造有限公司 | Electromagnetic compatibility filter circuit, DC power supply and household electrical appliance |
| CN108591849A (en) * | 2018-07-10 | 2018-09-28 | 横店集团得邦照明股份有限公司 | A kind of no stroboscopic DOB integral LEDs lamp and its implementation |
| CN108591849B (en) * | 2018-07-10 | 2024-03-05 | 横店集团得邦照明股份有限公司 | Stroboflash-free DOB integrated LED lamp and implementation method thereof |
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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 |
Granted publication date: 20160928 Termination date: 20190318 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |