CN206878718U - LED power module based on SY5830 designs - Google Patents
LED power module based on SY5830 designs Download PDFInfo
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- CN206878718U CN206878718U CN201720566108.6U CN201720566108U CN206878718U CN 206878718 U CN206878718 U CN 206878718U CN 201720566108 U CN201720566108 U CN 201720566108U CN 206878718 U CN206878718 U CN 206878718U
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Abstract
The utility model provides a kind of LED power module based on SY5830 designs, it is characterised in that including：It is sequentially provided with EMI anti-jamming circuits, input rectifying filter circuit, peak restrained circuit, transformer circuit, output rectifier and filter, removes stroboscopic circuit, EMI anti-jamming circuits front end connection AC the lines L and N, described to go to stroboscopic circuit rear end to connect output line, a pwm circuit connects the peak restrained circuit and the transformer circuit；The transformer circuit is provided with a switching tube, a feedback winding and a transformer, and the switching tube connects the transformer main winding, and the feedback winding connects the transformer, and the switching tube connects the pwm circuit, the peak restrained circuit；The pwm circuit is provided with driving an IC, the model SY5830 of the driving IC.There is the characteristic that power factor (PF) is more than 0.9 using driving IC model SY5830, SY5830, using SY5830 and change the transformer primary and secondary turn ratio, improve the Power convert rate of the LED power module.
Description
Technical field
Field of power supplies is the utility model is related to, especially a kind of LED power module based on SY5830 designs.
Background technology
Switching Power Supply is to directly control coupled inductive element (inductance or transformer) by switching tube, passes through perception
The energy storage and exergonic process of element, realize a kind of power supply of magnetic energy and transformation of electrical energy.It is by adjusting main switch conducting and cutting
Time scale only, maintain stable output current.
The Power convert rate of the existing LED power module using Switching Power Supply is relatively low, how to improve Power convert rate be by
Technical problems to be solved.
Utility model content
The utility model provides power supply conversion efficiency the high LED power module based on SY5830 designs.
The technical solution adopted in the utility model is：A kind of LED power module based on SY5830 designs, including：Successively
Provided with EMI anti-jamming circuits, input rectifying filter circuit, peak restrained circuit, transformer circuit, output rectifier and filter,
Stroboscopic circuit is removed, EMI anti-jamming circuits front end connection AC the lines L and N are described to go to stroboscopic circuit rear end to connect output line red line
For a pwm circuit connects the peak restrained circuit and the transformer circuit；The transformer circuit be provided with a switching tube,
One feedback winding and a transformer, the switching tube connect the feedback winding, and the feedback winding connects the transformer, institute
State switching tube and connect the pwm circuit, the peak restrained circuit；The pwm circuit is provided with driving an IC, the driving IC
Model SY5830, the driving IC be respectively equipped with 1 pin, 2 pin, 3 pin, 4 pin, 5 pin, 6 pin, 5 pin is VCC pin, connection
The input rectifying filter circuit, two conventional, electric-resistances, one are sequentially connected in series between the input rectifying filter circuit and 5 pin
Electrochemical capacitor, a conventional capacitive；6 pin is connected to the G poles of the switching tube by a conventional, electric-resistance.
Further, the peak restrained circuit connects the primary of the transformer.
Further, the peak restrained circuit is provided with a diode, and the conventional, electric-resistance of Diode series one is described general
Logical in parallel group of resistant series one, the group in parallel are provided with two conventional, electric-resistances and a conventional capacitive.
Further, the feedback winding is provided with a diode, and the diode is connected with the electrochemical capacitor.
Further, the input AC line L and N is provided with a protection circuit with the EMI anti-jamming circuits.
Further, described to go stroboscopic circuit to be provided with a chip, the chip model is SY5864.
Compared to prior art, the utility model uses above-mentioned technical scheme, using driving IC model SY5830,
SY5830 has the characteristic that power factor (PF) is more than 0.9, using SY5830 and changes the transformer primary and secondary turn ratio, improves the LED
The Power convert rate of power module.
Brief description of the drawings
Accompanying drawing is to be further understood for providing to of the present utility model, and a part for constitution instruction, and following
Embodiment is used to explain the utility model together, but should not form to limitation of the present utility model.In the accompanying drawings,
Fig. 1：The LED power module design flow diagram that the utility model is designed based on SY5830；
Fig. 2：EMI anti-jamming circuit schematic diagram of the utility model based on the SY5830 LED power modules designed；
Fig. 3：Input rectifying filter circuit schematic diagram of the utility model based on the SY5830 LED power modules designed；
Fig. 4：Pwm circuit schematic diagram of the utility model based on the SY5830 LED power modules designed；
Fig. 5：Peak restrained circuit and transformer circuit of the utility model based on the SY5830 LED power modules designed are former
Reason figure；
Fig. 6：Output rectifier and filter of the utility model based on the SY5830 LED power modules designed and go stroboscopic electric
Road schematic diagram.
Embodiment
Specific embodiment of the present utility model is described in detail below in conjunction with accompanying drawing.It should be appreciated that herein
Described embodiment is merely to illustrate and explained the utility model, is not limited to the utility model.
As shown in Figures 1 to 6, the LED power module of the present utility model based on SY5830 designs, it is characterised in that bag
Include：It is sequentially provided with EMI anti-jamming circuits, input rectifying filter circuit, peak restrained circuit, transformer circuit, output rectification filter
Wave circuit, remove stroboscopic circuit, the EMI anti-jamming circuits front end connection one input AC lines L and N is described to go to stroboscopic circuit rear end
It is LED+, black line LED- that it is red, which to connect output line,.One pwm circuit connects the peak restrained circuit and the transformer circuit.
As shown in figure 5, the transformer circuit is provided with a switching tube Q1, a feedback winding and a transformer T1, it is described to open
Close the pipe Q1 connections transformer main winding, the feedback winding connection transformer T1, described in the switching tube Q1 connections
PWM circuits, the peak restrained circuit.
As shown in figure 4, the pwm circuit, which is provided with one, drives ICU1, the model SY5830 of the driving ICU1, the drive
Dynamic ICU1 is respectively equipped with 1 pin, 2 pin, 3 pin, 4 pin, 5 pin, 6 pin, and 5 pin is VCC pin, connects the input rectifying filtered electrical
Road, be sequentially connected in series between the input rectifying filter circuit and 5 pin two conventional, electric-resistance R14, R15, an electrochemical capacitor C5,
One conventional capacitive C6；6 pin is connected to the G poles of the switching tube Q1 by a conventional, electric-resistance R10.The feedback winding is provided with
One diode D2, the diode D2 are connected with the electrochemical capacitor C5.
As shown in figure 5, the peak restrained circuit connects the primary of the transformer T1.The peak restrained circuit is provided with
One diode D1, the diode D1 series connection one conventional, electric-resistance R3, the conventional, electric-resistance R3 connect one in parallel group, described in parallel group
Provided with two conventional, electric-resistances R1, R2 and a conventional capacitive C2.When switching tube Q1 by when, because transformer T1 wants releasing magnetic energy to produce
Very high peak voltage is produced in switching tube Q1 D poles, caused peak voltage is easily damaged switching tube Q1.Switching tube Q1 by
When voltage also have conventional, electric-resistance R1, R2 by diode D1, conventional capacitive C2 is sponged, that is, by switching tube Q1 by
Caused peak voltage feeds back to transformer T1 input, and protection switch pipe Q1 will not be damaged.
As shown in Fig. 2 the input AC line L and N is provided with a protection circuit with the EMI anti-jamming circuits, prevent from inputting
Too strong voltage or electric current.
As shown in fig. 6, described go stroboscopic circuit to be provided with chip a U2, the chip U2 models SY5864.
As shown in figure 4, the operation principle of the pwm circuit is：After power supply is started shooting, start voltage and added by R14, R15
To PWMICSY5830U1 5 pin (VCC), after U1 has startup voltage, 6 pin just have square wave output, and square wave is added to out by R10
Close pipe Q1 G poles.Switching tube Q1 turns on transformer T1 storage energies.When it is 0 to export square wave, the G for being added to switching tube Q1 is extremely electric
Pressure is also 0, and switching tube Q1 is by transformer T1 releases energy, and the energy of release passes through the output rectifier and filter and institute
State stroboscopic circuit supply LED.Simultaneously when switching tube Q1 by when, transformer T1 feedback winding passes through diode D2, electricity
Solution electric capacity C5 filters to power to U1, after U1 normal works, is just powered by feedback winding.
As shown in Figures 1 to 6, the operation principle of the LED power module based on SY5830 designs is：AC voltages pass through
After the AC lines L and N is by the EMI anti-jamming circuits, AC is changed into direct current from exchanging from the input rectifying filter circuit
Transformer T1 primary main winding is arrived afterwards.Pwm circuit controls the switching tube Q1 conductings and by switching tube Q1 conducting time-varying
Direct current is changed into magnetic energy and is stored in transformer T1 by depressor T1 primary main winding, when switching tube Q1 discharges magnetic by transformer T1
Magnetic energy can be changed into by direct current by the output rectification circuit, because the alternating component that the direct current of output has high frequency can inside draw
LED stroboscopic is played, it is LED+ that the direct current of output smoothing is red by output line after past stroboscopic circuit, and black line supplies for LED-
LED.
Compared to prior art, the utility model uses above-mentioned technical scheme, uses driving ICU1 model
SY5830, SY5830 have the characteristic that power factor (PF) is more than 0.9, using SY5830 and change the transformer T1 primary and secondary turn ratioes, carry
The Power convert rate of the high LED power module.
The thought created without departing from the utility model, any group is carried out to various different embodiments of the present utility model
Close, should be considered as the utility model disclosure；In range of the technology design of the present utility model, technical scheme is carried out
Any combination for the thought created without prejudice to the utility model that a variety of simple modifications and different embodiments are carried out, all should be at this
Within the protection domain of utility model.
Claims (6)
- A kind of 1. LED power module based on SY5830 designs, it is characterised in that including：It is sequentially provided with EMI anti-jamming circuits, input rectifying filter circuit, peak restrained circuit, transformer circuit, output rectification filter Wave circuit, stroboscopic circuit is removed, EMI anti-jamming circuits front end connection AC the lines L and N are described to go the connection of stroboscopic circuit rear end defeated Outlet, a pwm circuit connect the peak restrained circuit and the transformer circuit；The transformer circuit is provided with a switching tube, a feedback winding and a transformer, and the switching tube connects the transformer Main winding, the feedback winding connects the transformer, and the switching tube connects the pwm circuit, peak restrained electricity Road；The pwm circuit is provided with a driving IC, and the model SY5830, the driving IC of the driving IC are respectively equipped with 1 pin, 2 Pin, 3 pin, 4 pin, 5 pin, 6 pin, 5 pin are VCC pin, connect the input rectifying filter circuit, the input rectifying filtered electrical Two conventional, electric-resistances, an electrochemical capacitor, a conventional capacitive are sequentially connected in series between road and 5 pin；6 pin passes through a common electricity Resistance is connected to the G poles of the switching tube.
- 2. the LED power module as claimed in claim 1 based on SY5830 designs, it is characterised in that：The peak restrained electricity Road connects the primary of the transformer.
- 3. the LED power module as claimed in claim 2 based on SY5830 designs, it is characterised in that：The peak restrained electricity Road is provided with a diode, the conventional, electric-resistance of Diode series one, and the conventional, electric-resistance is connected one in parallel group, and described in parallel group sets There are two conventional, electric-resistances and a conventional capacitive.
- 4. the LED power module as claimed in claim 1 based on SY5830 designs, it is characterised in that：The feedback winding is set There is a diode, the diode is connected with the electrochemical capacitor.
- 5. the LED power module as claimed in claim 1 based on SY5830 designs, it is characterised in that：The input AC lines L and N is provided with a protection circuit with the EMI anti-jamming circuits.
- 6. the LED power module as claimed in claim 1 based on SY5830 designs, it is characterised in that：It is described to remove stroboscopic circuit Provided with a chip, the chip model is SY5864.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720566108.6U CN206878718U (en) | 2017-05-19 | 2017-05-19 | LED power module based on SY5830 designs |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720566108.6U CN206878718U (en) | 2017-05-19 | 2017-05-19 | LED power module based on SY5830 designs |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206878718U true CN206878718U (en) | 2018-01-12 |
Family
ID=61339141
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720566108.6U Expired - Fee Related CN206878718U (en) | 2017-05-19 | 2017-05-19 | LED power module based on SY5830 designs |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206878718U (en) |
-
2017
- 2017-05-19 CN CN201720566108.6U patent/CN206878718U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180112 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |