CN206196083U - NULL LED power actuator module - Google Patents
NULL LED power actuator module Download PDFInfo
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- CN206196083U CN206196083U CN201621016110.8U CN201621016110U CN206196083U CN 206196083 U CN206196083 U CN 206196083U CN 201621016110 U CN201621016110 U CN 201621016110U CN 206196083 U CN206196083 U CN 206196083U
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- 238000001914 filtration Methods 0.000 claims abstract description 16
- 238000012937 correction Methods 0.000 claims abstract description 8
- 238000004804 winding Methods 0.000 claims description 28
- 230000000694 effects Effects 0.000 claims description 2
- 230000005611 electricity Effects 0.000 claims 3
- 230000005669 field effect Effects 0.000 claims 1
- 238000012360 testing method Methods 0.000 abstract description 6
- 238000010586 diagram Methods 0.000 description 4
- 238000011056 performance test Methods 0.000 description 2
- 239000000523 sample Substances 0.000 description 2
- 230000000087 stabilizing effect Effects 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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- 238000010998 test method Methods 0.000 description 1
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Abstract
The utility model relates to a NULL LED power actuator module, including EMI filtering unit, rectifying and wave -filtering unit, PFC correction unit, constant current power module unit and output unit, the rectifying and wave -filtering unit links to each other with EMI filtering unit, and PFC correction unit links to each other with the rectifying and wave -filtering unit, and constant current power module unit links to each other with PFC correction unit, and output unit links to each other with constant current power module unit. Adopt the technical scheme of the utility model, through the test, be 90Vac at input voltage and all be lighter than 1% to 260Vac within range, electric current precision, the whole efficiency of module reaches more than 84%, and power factor reaches more than 0.97 under the module full load conditions, the utility model discloses better constant current nature and higher module efficiency and power factor have.
Description
Technical field
The utility model is related to a kind of exchange input LED power to drive module.
Background technology
The features such as LED has energy-conserving and environment-protective and long lifespan as lighting source, therefore gradually replaced traditional lighting light
Source occupies illumination market.For the characteristic for adapting to LED aims at LED design driven power supplys, needs are driven to meet it.Traditional LED
In driving power supply, the voltage of input input carries out voltage exchange, to provide the voltage needed for late-class circuit, then again by whole
Directly it is connected with LED by a current-limiting resistance after stream filtering.Caused by this LED drive power cannot be to fluctuating because of external voltage
The operating current fluctuation at LED two ends is adjusted, and even LED can be caused to damage when input voltage fluctuation is larger, while LED drives
The same phasic property of the voltage and current of dynamic power supply is poor, and power factor (PF) is very low.
In consideration of it, the present inventor carries out in-depth study to above mentioned problem, there is this case to produce then.
Utility model content
The purpose of this utility model is that to provide a kind of good constant output current, module efficiency high, power factor high
Exchange input LED power drives module.
In order to achieve the above object, the utility model is using such technical scheme：
Exchange input LED power drives module, including EMI filter units, rectification filtering unit, the PFC schools being sequentially connected
Positive unit, constant-current power module group unit and output unit.
Used as a kind of preferred embodiment of the present utility model, the constant-current power module group unit includes positive input terminal, negative input
End, fuse F1, inductance L1, electric capacity C1, resistance R1, resistance R2, electric capacity C6, electric capacity C5, resistance R3, resistance R15, resistance R17,
Resistance R10, electric capacity C4, IW3620 chip, electric capacity C2, resistance R5, resistance R11, diode D1, FET Q1, resistance R6, two
Pole pipe D2, resistance R7, electric capacity C7, electric capacity C3, resistance R9, resistance R8, resistance R12, resistance R13, voltage-regulator diode Z1, diode
D3, resistance R14, electric capacity C8, triode Q2 and FET Q5, the constant-current power module group unit pass through transformer T1 and institute
Output unit connection is stated, fuse F1 and inductance L1 is concatenated on positive input terminal, electric capacity is connected between inductance L1 and negative input end
C1, electric capacity C1 are grounded, and inductance L1 is connected to the VIN of IW3620 chips with the tie point of electric capacity C1 by the resistance R1 and R2 that connect
Pin, VIN pins are grounded with the tie point of resistance R2 by electric capacity C6, and the VSENSE pins of IW3620 chips are connect by electric capacity C5
Ground, VSENSE pins and the electric capacity C5 tie points of IW3620 chips are grounded by resistance R12, the ISENSE pins of IW3620 chips
It is grounded by electric capacity C3, the ISENSE pins of IW3620 chips are connected with the tie point of electric capacity C3 with one end of resistance R7, resistance
The other end of R7 is grounded by resistance R9 and resistance R8 in parallel, and the VCC pin of IW3620 chips is grounded by electric capacity C8, voltage stabilizing
The negative pole of diode Z1 is connected to the VCC pin of IW3620 chips and the tie point of electric capacity C8, and the positive pole of voltage-regulator diode Z1 connects
Ground, the VCC pin of IW3620 chips is grounded with the tie point of voltage-regulator diode Z1 by electric capacity C7, the SD pins of IW3620 chips
Be grounded by parallel resistance R10 and electric capacity C4, one end of resistance R17 is connected with the SD pins of IW3620 chips, the other end and
The drain electrode connection of FET Q5, the source ground of FET Q5, the grid of FET Q5 is connected to resistance R15 and resistance
The tie point of R3, one end ground connection of resistance R15, the other end is connected to the company of VCC pin and voltage-regulator diode Z1 by resistance R3
Contact, the tie point of electric capacity C2, resistance R11, resistance R5 latter termination inductance L1 and resistance R1 in parallel, the other end passes through diode
D1 is connected to the drain electrode of FET Q1, and the source electrode of FET Q1 is drawn by the ISENSE that resistance R7 is connected to IW3620 chips
Pin, the OUTPUT pins of IW3620 chips are connected to the grid of FET Q1, the source electrode of FET Q1 by diode D2
Diode is provided between drain electrode, one end of resistance R6 is connected to the tie point of diode D2 and FET Q1, resistance R6's
The other end is connected to the tie point of resistance R7 and FET Q1, the OUTPUT pins of IW3620 chips and the connection of diode D2
Point is connected with the base stage of triode Q2, and the emitter stage of triode Q2 is connected to the tie point of FET Q1 and diode D2, and three
The grounded collector of pole pipe Q2.
Used as a kind of preferred embodiment of the present utility model, the transformer T1 is PQ2020 transformers, and transformer includes the
One winding, the second winding and the tertiary winding, 2 pin of the first winding are connected to the tie point of resistance R5 and resistance R11, first around
1 pin of group is connected to the drain electrode of FET Q1, and 5 pin of the second winding are connected to the tie point of resistance R13 and diode D3, the
The 6 pin ground connection of two windings, 10 pin and 11 pin of the tertiary winding are connected with the output unit.
As a kind of preferred embodiment of the present utility model, the output unit include commutation diode D6, electric capacity C10 and
One end is connected with the positive output end of the output unit after resistance R22, electric capacity C10 and resistance R22 parallel connection, and the other end is defeated with described
Go out the negative output terminal connection of unit, 1 pin and 3 pin of the model BYT28-500 of commutation diode D6, commutation diode D6 with
The 11 pin connection of the tertiary winding, the 3 pin connection of commutation diode D6 is connected with the positive output end of the output unit, described
10 pin of the tertiary winding are connected to the negative output terminal of the output unit.
It is electric current in the range of 90Vac to 260Vac in input voltage after tested using the technical solution of the utility model
Precision is respectively less than ± 1%, and the whole efficiency of module reaches more than 84%, and power factor is issued to 0.97 in module full load conditions
More than, the utility model has preferable constant current and module efficiency and power factor (PF) higher.
Brief description of the drawings
Fig. 1 is theory diagram of the present utility model；
Fig. 2 is the circuit theory diagrams of EMI filter units, rectification filtering unit and PFC correction unit in the utility model；
Fig. 3 is the circuit theory diagrams of constant-current power module group unit in the utility model；
In figure：
10-EMI filter unit 20- rectification filtering units
30-PFC corrects unit 40- constant-current power module group units
50- output units
Specific embodiment
In order to the technical solution of the utility model is explained further, it is described in detail below in conjunction with the accompanying drawings.
Referring to figs. 1 to Fig. 3, exchange input LED power drives module, including EMI filter units 10, rectification filtering unit
20th, PFC corrections unit 30, constant-current power module group unit 40 and output unit 50, rectification filtering unit 20 and EMI filter units
10 are connected, and PFC correction units 30 are connected with rectification filtering unit 20, and constant-current power module group unit 40 corrects the phase of unit 30 with PFC
Even, output unit 50 is connected with constant-current power module group unit 40.Wherein EMI filter units 10, rectification filtering unit 20, PFC schools
Positive unit 30 and output unit 50 can use structure of the prior art, and EMI filter units 10 include fuse, electric capacity
With the element such as inductance, for protect output device, suppress the effect of bad EMI, reduce late-class circuit in bad EMI in power network
And the influence of the electrical equipment and personnel of power network spatial neighborhood, while suppressing bad EMI shadow of other electrical equipment to LED drive power
Ring.Rectification filtering unit 20 includes a classical bridge rectifier and filter capacitor, complete for what is transmitted to the EMI filter units 10
Full sine voltage carries out rectifying and wave-filtering, is converted into the voltage with some dc component, and PFC correction units 30 are used to improve
Power factor (PF).In Fig. 2 of embodiment, chip U1 uses FL7930 chips, and it is a kind of existing APFC
Controller.
Used as a kind of preferred embodiment of the present utility model, the constant-current power module group unit 40 includes positive input terminal, negative defeated
Enter end, fuse F1, inductance L1, electric capacity C1, resistance R1, resistance R2, electric capacity C6, electric capacity C5, resistance R3, resistance R15, resistance
R17, resistance R10, electric capacity C4, IW3620 chip, electric capacity C2, resistance R5, resistance R11, diode D1, FET Q1, resistance
R6, diode D2, resistance R7, electric capacity C7, electric capacity C3, resistance R9, resistance R8, resistance R12, resistance R13, voltage-regulator diode Z1,
Diode D3, resistance R14, electric capacity C8, triode Q2 and FET Q5, the constant-current power module group unit 40 pass through transformation
Device T1 is connected with the output unit 50, fuse F1 and inductance L1 is concatenated on positive input terminal, between inductance L1 and negative input end
Electric capacity C1 is connected with, electric capacity C1 ground connection, the resistance R1 and R2 that inductance L1 passes through to connect with the tie point of electric capacity C1 is connected to
The VIN pins of IW3620 chips, VIN pins are grounded with the tie point of resistance R2 by electric capacity C6, the VSENSE of IW3620 chips
Pin is grounded by electric capacity C5, and VSENSE pins and the electric capacity C5 tie points of IW3620 chips are grounded by resistance R12, IW3620
The ISENSE pins of chip are grounded by electric capacity C3, the ISENSE pins of IW3620 chips and the tie point of electric capacity C3 and resistance R7
One end connection, the other end of resistance R7 is grounded by resistance R9 and resistance R8 in parallel, and the VCC pin of IW3620 chips passes through
Electric capacity C8 is grounded, and the negative pole of zener diode Z1 is connected with the VCC pin of IW3620 chips with the tie point of electric capacity C8, voltage stabilizing two
The plus earth of pole pipe Z1, the VCC pin of IW3620 chips is grounded with the tie point of voltage-regulator diode Z1 by electric capacity C7,
The SD pins of IW3620 chips are by resistance R10 and electric capacity C4 ground connection in parallel, one end of resistance R17 and the SD of IW3620 chips
Pin is connected, and the other end is connected with the drain electrode of FET Q5, the source ground of FET Q5, and the grid of FET Q5 connects
The tie point of resistance R15 and resistance R3 is connected to, one end ground connection of resistance R15, the other end is connected with resistance R3, and resistance R3's is another
End is connected to the tie point of VCC pin and voltage-regulator diode Z1, electric capacity C2, resistance R11, resistance R5 latter termination inductance L1 in parallel
With the tie point of resistance R1, the other end is connected to the drain electrode of FET Q1 by diode D1, and the source electrode of FET Q1 leads to
The ISENSE pins that resistance R7 is connected to IW3620 chips are crossed, the OUTPUT pins of IW3620 chips are connected to by diode D2
The grid of FET Q1, diode is provided between the source electrode of FET Q1 and drain electrode, and one end of resistance R6 is connected to two poles
The tie point of pipe D2 and FET Q1, the other end of resistance R6 is connected to the tie point of resistance R7 and FET Q1,
The OUTPUT pins of IW3620 chips are connected with the tie point of diode D2 with the base stage of triode Q2, the emitter stage of triode Q2
It is connected to the tie point of FET Q1 and diode D2, the grounded collector of triode Q2.
Used as a kind of preferred embodiment of the present utility model, the transformer T1 is PQ2020 transformers, and transformer includes the
One winding, the second winding and the tertiary winding, 2 pin of the first winding are connected to the tie point of resistance R5 and resistance R11, first around
1 pin of group is connected to the drain electrode of FET Q1, and 5 pin of the second winding are connected to the tie point of resistance R13 and diode D3, the
The 6 pin ground connection of two windings, 10 pin and 11 pin of the tertiary winding are connected with the output unit 50.
As a kind of preferred embodiment of the present utility model, the output unit 50 include commutation diode D6, electric capacity C10 with
And one end is connected with the positive output end of the output unit 50 after resistance R22, electric capacity C10 and resistance R22 parallel connection, the other end and institute
State the negative output terminal connection of output unit 50, the model BYT28-500 of commutation diode D6,1 pin of commutation diode D6 and 3
Pin is connected with 11 pin of the tertiary winding, the positive output end of the connection of 3 pin of commutation diode D6 and the output unit 50
Connection, 10 pin of the tertiary winding are connected to the negative output terminal of the output unit 50.
First, test process：
3.1 test contents:
A. module constant-current characteristics
B. module efficiency
3.2 method of testings:
150W constant current module parameters is tested by instrument (universal meter, oscillograph etc.)
3.3 test conditions:
Temperature：23 DEG C of room temperature
Input voltage:Exchange 90-260VAC
Drive LED modules:18LED (series connection) x8 branch roads (parallel connection)
3.4 testers:
Dc source:KIKUSU,MODEL:PAN35-10A
Oscillograph:AGILENT DIGITAL OSCILLOSCOPE,MODEL:MSO6054A
Current probe:AGILENT CURRENT PROBE,MODEL:1147A
2nd, test data
2.1 module constant current performance tests
2.2 module efficiency and power factor are tested
3rd, test result
3.1 module constant current performance tests
After tested, every electric current of branch road is all constant in current value about 360mA, is 90Vac to 260Vac in input voltage
In the range of, precision is respectively less than ± 1%.
3.2 module efficiency and power factor are tested
After tested, the whole efficiency of module reaches more than 84%.Power factor module full load conditions be issued to 0.97 with
On.
Product form of the present utility model is not limited to this case diagram and embodiment, and anyone carries out similar thinking to it
Appropriate change is modified, and all should be regarded as not departing from patent category of the present utility model.
Claims (4)
1. exchange input LED power drives module, it is characterised in that：Including the EMI filter units, the rectifying and wave-filtering list that are sequentially connected
Unit, PFC corrections unit, constant-current power module group unit and output unit.
2. exchange input LED power as claimed in claim 1 drives module, it is characterised in that：The constant-current power module list
Unit includes positive input terminal, negative input end, fuse F1, inductance L1, electric capacity C1, resistance R1, resistance R2, electric capacity C6, electric capacity C5, electricity
Resistance R3, resistance R15, resistance R17, resistance R10, electric capacity C4, IW3620 chip, electric capacity C2, resistance R5, resistance R11, diode
D1, FET Q1, resistance R6, diode D2, resistance R7, electric capacity C7, electric capacity C3, resistance R9, resistance R8, resistance R12, resistance
R13, voltage-regulator diode Z1, diode D3, resistance R14, electric capacity C8, triode Q2 and FET Q5, the constant-current power
Module group unit is connected by transformer T1 with the output unit, and fuse F1 and inductance L1, inductance L1 are concatenated on positive input terminal
It is connected with electric capacity C1 between negative input end, electric capacity C1 ground connection, the tie point of inductance L1 and electric capacity C1 is by the resistance R1 that connects
With the VIN pins that R2 is connected to IW3620 chips, VIN pins are grounded with the tie point of resistance R2 by electric capacity C6, IW3620 cores
The VSENSE pins of piece are grounded by electric capacity C5, and VSENSE pins and the electric capacity C5 tie points of IW3620 chips pass through resistance R12
Ground connection, the ISENSE pins of IW3620 chips are grounded by electric capacity C3, the ISENSE pins of IW3620 chips and the company of electric capacity C3
Contact is connected with one end of resistance R7, and the other end of resistance R7 is grounded by resistance R9 and resistance R8 in parallel, IW3620 chips
VCC pin be grounded by electric capacity C8, the negative pole of zener diode Z1 is connected to the VCC pin of IW3620 chips with electric capacity C8's
Tie point, the plus earth of voltage-regulator diode Z1, the VCC pin of IW3620 chips is with the tie point of voltage-regulator diode Z1 by electricity
Hold C7 ground connection, the SD pins of IW3620 chips are grounded by resistance R10 and electric capacity C4 in parallel, one end of resistance R17 with
The SD pins connection of IW3620 chips, the other end is connected with the drain electrode of FET Q5, the source ground of FET Q5, field effect
Should the grid of pipe Q5 be connected to the tie point of resistance R15 and resistance R3, one end ground connection of resistance R15, the other end passes through resistance R3
Be connected to the tie point of VCC pin and voltage-regulator diode Z1, electric capacity C2, resistance R11, resistance R5 latter termination inductance L1 in parallel and
The tie point of resistance R1, the other end is connected to the drain electrode of FET Q1 by diode D1, and the source electrode of FET Q1 passes through
Resistance R7 is connected to the ISENSE pins of IW3620 chips, and the OUTPUT pins of IW3620 chips are connected to field by diode D2
The grid of effect pipe Q1, diode is provided between the source electrode of FET Q1 and drain electrode, and one end of resistance R6 is connected to diode
The tie point of D2 and FET Q1, the other end of resistance R6 is connected to the tie point of resistance R7 and FET Q1, IW3620
The OUTPUT pins of chip are connected with the tie point of diode D2 with the base stage of triode Q2, and the emitter stage of triode Q2 is connected to
The tie point of FET Q1 and diode D2, the grounded collector of triode Q2.
3. exchange input LED power as claimed in claim 2 drives module, it is characterised in that：The transformer T1 is
PQ2020 transformers, including the first winding, the second winding and the tertiary winding, 2 pin of the first winding are connected to resistance R5 with electricity
The tie point of R11 is hindered, 1 pin of the first winding is connected to the drain electrode of FET Q1, and 5 pin of the second winding are connected to resistance R13
With the tie point of diode D3, the 6 pin ground connection of the second winding, 10 pin and 11 pin of the tertiary winding are connected with the output unit.
4. exchange input LED power as claimed in claim 3 drives module, it is characterised in that：The output unit includes whole
Stream diode D6, electric capacity C10 and resistance R22, one end is just defeated with the output unit after electric capacity C10 is in parallel with resistance R22
Go out end connection, the other end is connected with the negative output terminal of the output unit, the model BYT28-500 of commutation diode D6 is whole
1 pin and 3 pin of stream diode D6 are connected with 11 pin of the tertiary winding, and the 3 pin connection of commutation diode D6 is defeated with described
Go out the positive output end connection of unit, 10 pin of the tertiary winding are connected to the negative output terminal of the output unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621016110.8U CN206196083U (en) | 2016-08-31 | 2016-08-31 | NULL LED power actuator module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621016110.8U CN206196083U (en) | 2016-08-31 | 2016-08-31 | NULL LED power actuator module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206196083U true CN206196083U (en) | 2017-05-24 |
Family
ID=58729114
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621016110.8U Expired - Fee Related CN206196083U (en) | 2016-08-31 | 2016-08-31 | NULL LED power actuator module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206196083U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106132035A (en) * | 2016-08-31 | 2016-11-16 | 文创科技股份有限公司 | Exchange input LED power drives module |
-
2016
- 2016-08-31 CN CN201621016110.8U patent/CN206196083U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106132035A (en) * | 2016-08-31 | 2016-11-16 | 文创科技股份有限公司 | Exchange input LED power drives module |
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