CN106507548A - A kind of chargeable LED illumination circuit - Google Patents
A kind of chargeable LED illumination circuit Download PDFInfo
- Publication number
- CN106507548A CN106507548A CN201611226896.0A CN201611226896A CN106507548A CN 106507548 A CN106507548 A CN 106507548A CN 201611226896 A CN201611226896 A CN 201611226896A CN 106507548 A CN106507548 A CN 106507548A
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- China
- Prior art keywords
- resistance
- diode
- led
- slide switches
- transistor
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/30—Driver circuits
- H05B45/37—Converter circuits
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- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
The invention discloses a kind of chargeable LED illumination circuit, including 220V alternating current power supplys, divider resistance R1, R2, commutation diode VD1 VD4, filter capacitor C2, accumulator E1, LED, slide switches S1, transistor T1, LED 1, diode VD5, diode VD6.Circuit of the present invention carries out blood pressure lowering using resistance and electric capacity parallel connection to alternating current, accumulator is charged by rectification, filtering, changed by slide switches controlled state, charged and terminate using transistor, diode control accumulator, the characteristics of with small volume, easy to carry, low cost.
Description
Technical field
A kind of the present invention relates to technical field of LED illumination, more particularly to chargeable LED illumination circuit.
Background technology
LED (light emitting diode), originates from 1860s, and initial application is confined to indicate and shows
Field, with the research and development of the continuous progressive and new material of light emitting diode manufacturing process, not only the color of LED is more and more richer
Richness, the brightness of LED are greatly improved.As LED power consumptions are low, and produce to ring unlike burning light lamp and Metal halogen lamp
The harmful material in border, and have the life-span of longer than tens times of conventional bulb, become the rising star of lighting field.Due to single led
The power of lamp is very low, so will be simultaneously connected with multiple LED being controlled, it is necessary to design the driving power supply of special LED.LED
Driving power supply provides power for LED, and the quality of driving power supply design directly influences the longevity of life-span, light decay and the light fixture of LED
Life.Existing LED drive circuit is usually that alternating current drives LED using Switching Power Supply after transformer pressure-reducing so that drive
Power volume is larger, carries inconvenient and relatively costly.
Content of the invention
The present invention provides a kind of small volume, the chargeable LED illumination circuit of easy to carry, low cost, and the circuit is adopted
Resistance and electric capacity parallel connection carry out blood pressure lowering to alternating current, accumulator are charged by rectification, filtering, by slide switches control
State Transferring, is charged and is terminated using transistor, diode control accumulator.
For achieving the above object, the technical solution used in the present invention is：
A kind of chargeable LED illumination circuit, including 220V alternating current power supplys, accumulator E1, LED, also includes that slip is opened
S1, transistor T1 is closed, slide switches S1 includes that upper and lower two branch roads, each branch road include left end, middle and right-hand member three respectively
Position；The 220V alternating current power supplys through diode VD1-VD4 rectifications, then pass through electric capacity C2 after resistance R1, resistance R2 partial pressures
After filtering, one end is connected with branch road centre position on LED anode, accumulator E1 positive pole, slide switches S1, and the other end is grounded；Institute
State earth terminal to be connected with branch road left position on slide switches S1 by diode VD5, resistance R4, earth terminal is also by diode
VD5, resistance R3 are connected with branch road left position under slide switches S1, and under slide switches S1, branch road left position passes through diode
VD6 is connected with earth terminal；The transistor T1 base stages are connected with resistance R3, resistance R4, transistor T1 emitter stages and slide switches
Under S1 branch road left position be connected, transistor T1 colelctor electrodes respectively with branch road right end position, LED negative electrode phase under slide switches S1
Even；The accumulator E1 negative pole is connected with branch road centre position under slide switches S1.
Further, the resistance R1 two ends are parallel with electric capacity C1.
Further, LED 1 is in series between the resistance R1 and resistance R2.
Further, 1 anode of the LED is connected with resistance R1,1 negative electrode of LED and resistance
R2 is connected.
Further, the LED is that multiple light emitting diodes are in parallel.
Further, the transistor T1 is NPN triode.
Further, the diode VD5 negative electrodes are connected with earth terminal, diode VD5 anodes respectively with resistance R3, resistance
R4, transistor T1 base stages are connected.
Further, the diode VD6 negative electrodes are connected with earth terminal, diode VD6 anodes respectively with resistance R3, crystal
Under pipe T1 emitter stages, slide switches S1, branch road left position is connected.
Further, accumulator E1 is 4V 0.8AH accumulator.
Beneficial effects of the present invention：A kind of chargeable LED illumination circuit, circuit is using resistance with electric capacity parallel connection to exchanging
Electricity carries out blood pressure lowering, by rectification, filtering accumulator is charged, changed by slide switches controlled state, using transistor,
Diode control accumulator charges and terminates, the characteristics of with small volume, easy to carry, low cost.
Description of the drawings
Fig. 1 is circuit theory diagrams of the present invention；
Specific embodiment
In order that technological means, creation characteristic, reached purpose and effect that the present invention is realized are easy to understand, tie below
Conjunction is specifically illustrating, and the present invention is expanded on further.
When being embodied as, in conjunction with Fig. 1, a kind of chargeable LED illumination circuit, including 220V alternating current power supplys, divider resistance
R1, R2, commutation diode VD1-VD4, filter capacitor C2, accumulator E1, LED, slide switches S1, transistor T1, luminous two
Pole pipe LED1, diode VD5, diode VD6.Slide switches S1 includes that upper and lower two branch roads, each branch road include a left side respectively
End, middle and three positions of right-hand member；After 220V alternating current power supplys are using resistance R1, resistance R2 partial pressures, whole through diode VD1-VD4
Stream, then by electric capacity C2 filtering after one end respectively with branch road interposition on LED anode, accumulator E1 positive pole, slide switches S1
Put connected, other end ground connection GND；Earth terminal GND is by branch road left position on diode VD5, resistance R4 and slide switches S1
It is connected, earth terminal GND is connected with branch road left position under slide switches S1 also by diode VD5, resistance R3, slide switches S1
Lower branch road left position is connected with earth terminal GND by diode VD6；Transistor T1 base stages are connected with resistance R3, resistance R4, brilliant
Body pipe T1 emitter stages are connected with branch road left position under slide switches S1, transistor T1 colelctor electrodes respectively with lower of slide switches S1
Road right end position, LED negative electrode are connected；Accumulator E1 negative pole is connected with branch road centre position under slide switches S1.Transistor T1
For NPN triode.Diode VD5 negative electrodes are connected with earth terminal, diode VD5 anodes respectively with resistance R3, resistance R4, transistor
T1 base stages are connected.Diode VD6 negative electrodes are connected with earth terminal, and diode VD6 anodes are launched with resistance R3, transistor T1 respectively
Under pole, slide switches S1, branch road left position is connected.Accumulator E1 can be 4V 0.8AH accumulator.
In order that metering function can be played during alternating current charging, it is to avoid circuit excessively stream, in parallel at resistance R1 two ends
There is electric capacity C1.In order to intuitively show state that alternating current charges to accumulator E1, go here and there between resistance R1 and resistance R2
It is associated with 1 LED of LED, 1 anode to be connected with resistance R1,1 negative electrode of LED and resistance R2 phases
Even.In order to improve LED part brightness, LED is that multiple LED 2-LEDn are in parallel.Transistor T1 is NPN tri-
Pole pipe.
During specific works, after 220V alternating currents are using resistance R1 and electric capacity C1 parallel connection blood pressure lowerings, through commutation diode VD1-
After VD4 rectifications, after recycling filter capacitor C2 filtering, become unidirectional current.If accumulator E1 brownout, by slide switches S1
Left end is reached, filter capacitor C2, accumulator E1, diode VD6 constitute charge circuit, and 220V alternating currents charge for accumulator E1,
As accumulator E1 negative pole is connected with diode VD6, diode VD5 is not turned on, and ends transistor T1, and LED turns on loop quilt
Cut-out, LED do not light.When accumulator E1 full charge, accumulator E1 charges and will stop, and filter capacitor C2 is through slide switches
The upper branch road left positions of S1, resistance R3 provide base current for transistor T1, and transistor T1 is turned on, filter capacitor C2, LED,
Transistor T1, diode VD6 constitute conducting loop, and LED lights.When slide switches S1 gets to centre position, circuit disconnects,
LED does not light, and accumulator E1 does not charge.When slide switches S1 gets to right end position, accumulator E1 is constituted with LED and is closed back
Road, accumulator E1 power for LED, and LED lights.
The chargeable LED illumination circuit of the present invention, circuit carry out blood pressure lowering using resistance and electric capacity parallel connection to alternating current, pass through
Rectification, filtering are charged to accumulator, are changed by slide switches controlled state, using transistor, diode control electric power storage
Pond is charged and is terminated, the characteristics of with small volume, easy to carry, low cost.
Embodiment described above is only that the preferred embodiment of the present invention is described, not the structure to the present invention
Think and scope is defined.On the premise of without departing from design concept of the present invention, technology of this area ordinary person to the present invention
Various modifications and improvement that scheme is made, all should drop into protection scope of the present invention.
Claims (9)
1. a kind of chargeable LED illumination circuit, including 220V alternating current power supplys, accumulator E1, LED, it is characterised in that：Also wrap
Include slide switches S1, transistor T1, slide switches S1 includes upper and lower two branch roads, each branch road include respectively left end, middle and
Three positions of right-hand member；The 220V alternating current power supplys through diode VD1-VD4 rectifications, then are led to after resistance R1, resistance R2 partial pressures
After crossing electric capacity C2 filtering, one end is connected with branch road centre position on LED anode, accumulator E1 positive pole, slide switches S1, another
End ground connection；The earth terminal is connected with branch road left position on slide switches S1 by diode VD5, resistance R4, and earth terminal is also
It is connected with branch road left position under slide switches S1 by diode VD5, resistance R3, under slide switches S1, branch road left position leads to
Cross diode VD6 to be connected with earth terminal；The transistor T1 base stages are connected with resistance R3, resistance R4, transistor T1 emitter stages with
Under slide switches S1 branch road left position be connected, transistor T1 colelctor electrodes respectively with branch road right end position, LED under slide switches S1
Lamp cathode is connected；The accumulator E1 negative pole is connected with branch road centre position under slide switches S1.
2. according to a kind of chargeable LED illumination circuit described in claim 1, it is characterised in that：The resistance R1 two ends are simultaneously
It is associated with electric capacity C1.
3. according to a kind of chargeable LED illumination circuit described in claim 1, it is characterised in that：The resistance R1 and resistance
LED 1 is in series between R2.
4. according to a kind of chargeable LED illumination circuit described in claim 3, it is characterised in that：The light emitting diode
LED1 anodes are connected with resistance R1, and 1 negative electrode of LED is connected with resistance R2.
5. according to a kind of chargeable LED illumination circuit described in claim 1, it is characterised in that：The LED is multiple
Optical diode is in parallel.
6. according to a kind of chargeable LED illumination circuit described in claim 1, it is characterised in that：The transistor T1 is NPN
Audion.
7. according to a kind of chargeable LED illumination circuit described in claim 1, it is characterised in that：The diode VD5 negative electrodes
It is connected with earth terminal, diode VD5 anodes are connected with resistance R3, resistance R4, transistor T1 base stages respectively.
8. according to a kind of chargeable LED illumination circuit described in claim 1, it is characterised in that：The diode VD6 negative electrodes
Be connected with earth terminal, diode VD6 anodes respectively with branch road left end position under resistance R3, transistor T1 emitter stages, slide switches S1
Put connected.
9. according to a kind of chargeable LED illumination circuit described in claim 1, it is characterised in that：Accumulator E1 is 4V
0.8AH accumulator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611226896.0A CN106507548A (en) | 2016-12-27 | 2016-12-27 | A kind of chargeable LED illumination circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611226896.0A CN106507548A (en) | 2016-12-27 | 2016-12-27 | A kind of chargeable LED illumination circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106507548A true CN106507548A (en) | 2017-03-15 |
Family
ID=58334311
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611226896.0A Withdrawn CN106507548A (en) | 2016-12-27 | 2016-12-27 | A kind of chargeable LED illumination circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106507548A (en) |
-
2016
- 2016-12-27 CN CN201611226896.0A patent/CN106507548A/en not_active Withdrawn
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20170315 |