CN206294391U - A kind of chargeable LED illumination circuit - Google Patents
A kind of chargeable LED illumination circuit Download PDFInfo
- Publication number
- CN206294391U CN206294391U CN201621445419.9U CN201621445419U CN206294391U CN 206294391 U CN206294391 U CN 206294391U CN 201621445419 U CN201621445419 U CN 201621445419U CN 206294391 U CN206294391 U CN 206294391U
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- resistance
- diode
- slide switch
- led
- 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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Abstract
The utility model discloses a kind of chargeable LED illumination circuit, including 220V AC powers, divider resistance R1, R2, commutation diode VD1 VD4, filter capacitor C2, battery E1, LED, slide switch S1, transistor T1, LED 1, diode VD5, diode VD6.The utility model circuit is depressured using resistance and electric capacity parallel connection to alternating current, battery is charged by rectification, filtering, changed by slide switch state of a control, charge and terminate using transistor, diode control battery, the characteristics of with small volume, easy to carry, low cost.
Description
Technical field
The utility model is related to technical field of LED illumination, more particularly to a kind of 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 is greatly improved.Because LED consumption power is low, and produced 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 to connect multiple LED being simultaneously 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 alternating current by driving LED using Switching Power Supply after transformer pressure-reducing so that driven
Power volume is larger, carries inconvenient and relatively costly.
Utility model content
The utility model provides a kind of small volume, easy to carry, low cost chargeable LED illumination circuit, the circuit
Alternating current is depressured using resistance and electric capacity parallel connection, battery is charged by rectification, filtering, by slide switch
State of a control is changed, and is charged and is terminated using transistor, diode control battery.
To achieve the above object, the technical solution adopted in the utility model is：
A kind of chargeable LED illumination circuit, including 220V AC powers, battery E1, LED, also open including slip
S1, transistor T1 are closed, slide switch S1 includes upper and lower two branch roads, and each branch road includes left end, middle and right-hand member three respectively
Position；The 220V AC powers by after resistance R1, resistance R2 partial pressures, through diode VD1-VD4 rectifications, then by electric capacity C2
One end is connected with branch road centre position on LED anode, battery E1 positive poles, slide switch S1 after filtering, other end ground connection；Institute
State earth terminal to be connected with branch road left position on slide switch S1 by diode VD5, resistance R4, earth terminal also passes through diode
VD5, resistance R3 are connected with branch road left position under slide switch S1, and branch road left position passes through diode under slide switch S1
VD6 is connected with earth terminal；The transistor T1 base stages are connected with resistance R3, resistance R4, transistor T1 emitter stages and slide switch
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 switch S1
Even；The battery E1 negative poles are connected with branch road centre position under slide switch S1.
Further, the resistance R1 two ends are parallel with electric capacity C1.
Further, it is in series with LED 1 between the resistance R1 and resistance R2.
Further, the anode of the LED 1 is connected with resistance R1, the negative electrode of LED 1 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
Branch road left position is connected under pipe T1 emitter stages, slide switch S1.
Further, the battery E1 is 4V 0.8AH batteries.
The beneficial effects of the utility model：A kind of chargeable LED illumination circuit, circuit is right using resistance and electric capacity parallel connection
Alternating current is depressured, and battery is charged by rectification, filtering, is changed by slide switch state of a control, using crystalline substance
Body pipe, diode control battery charge and terminate, the characteristics of with small volume, easy to carry, low cost.
Brief description of the drawings
Fig. 1 is the utility model circuit theory diagrams；
Specific embodiment
In order that technological means, creation characteristic, reached purpose and effect that the utility model is realized are easy to understand, under
Face combines and is specifically illustrating, and the utility model is expanded on further.
During specific implementation, with reference to Fig. 1, a kind of chargeable LED illumination circuit, including 220V AC powers, divider resistance
R1, R2, commutation diode VD1-VD4, filter capacitor C2, battery E1, LED, slide switch S1, transistor T1, luminous two
Pole pipe LED1, diode VD5, diode VD6.Slide switch S1 includes upper and lower two branch roads, and each branch road includes a left side respectively
End, middle and three positions of right-hand member；220V AC powers are whole through diode VD1-VD4 using after resistance R1, resistance R2 partial pressures
Stream, then by electric capacity C2 filter after one end respectively with branch road interposition on LED anode, battery E1 positive poles, slide switch S1
Put connected, other end ground connection GND；Earth terminal GND passes through diode VD5, resistance R4 and branch road left position on slide switch S1
It is connected, earth terminal GND is also connected by diode VD5, resistance R3 with branch road left position under slide switch S1, slide switch S1
Lower branch road left position is connected by diode VD6 with earth terminal GND；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 switch S1, and transistor T1 colelctor electrodes are propped up with slide switch S1 respectively
Road right end position, LED negative electrode are connected；Battery E1 negative poles are connected with branch road centre position under slide switch S1.Transistor T1
It is 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
Branch road left position is connected under pole, slide switch S1.Battery E1 can be 4V 0.8AH batteries.
It is in parallel at resistance R1 two ends in order that metering function can be played during alternating current charging, it is to avoid circuit excessively stream
There is electric capacity C1.In order to intuitively show the state that alternating current charges to battery E1, gone here and there between resistance R1 and resistance R2
It is associated with the anode of 1 LED of LED 1 to be connected with resistance R1, the negative electrode of LED 1 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 step-downs in parallel, by commutation diode VD1-
After VD4 rectifications, direct current is become after recycling filter capacitor C2 filtering.If battery E1 brownouts, by slide switch S1
Left end is reached, filter capacitor C2, battery E1, diode VD6 constitute charge circuit, and 220V alternating currents charge for battery E1,
Because battery E1 negative poles are connected with diode VD6, diode VD5 is not turned on, and ends transistor T1, LED conducting loop quilts
Cut-out, LED does not light.When battery E1 full charges, battery E1 charges will be stopped, and filter capacitor C2 is through slide switch
The upper branch road left positions of S1, resistance R3 provide base current for transistor T1, transistor T1 conductings, filter capacitor C2, LED,
Transistor T1, diode VD6 constitute conducting loop, and LED lights.When slide switch S1 gets to centre position, circuit disconnects,
LED does not light, and battery E1 does not charge.When slide switch S1 gets to right end position, battery E1 is constituted with LED and closed back
Road, battery E1 powers for LED, and LED lights.
The chargeable LED illumination circuit of the utility model, circuit is depressured using resistance and electric capacity parallel connection to alternating current,
Battery is charged by rectification, filtering, is changed by slide switch state of a control, controlled using transistor, diode
Battery charges and terminates, the characteristics of with small volume, easy to carry, low cost.
Embodiment described above is only that preferred embodiment of the present utility model is described, not to this practicality
New spirit and scope are defined.On the premise of the utility model design concept is not departed from, this area ordinary person couple
The all variations and modifications that the technical solution of the utility model is made, all should drop into protection domain of the present utility model.
Claims (9)
1. a kind of chargeable LED illumination circuit, including 220V AC powers, battery E1, LED, it is characterised in that：Also wrap
Include slide switch S1, transistor T1, slide switch S1 includes upper and lower two branch roads, each branch road include respectively left end, it is middle and
Three positions of right-hand member；The 220V AC powers are by after resistance R1, resistance R2 partial pressures, through diode VD1-VD4 rectifications, then leading to
One end is connected with branch road centre position on LED anode, battery E1 positive poles, slide switch S1 after crossing electric capacity C2 filtering, another
End ground connection；The earth terminal is connected by diode VD5, resistance R4 with branch road left position on slide switch S1, and earth terminal is also
It is connected with branch road left position under slide switch S1 by diode VD5, resistance R3, branch road left position leads under slide switch S1
Diode VD6 is crossed 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 switch S1 branch road left position be connected, transistor T1 colelctor electrodes respectively with branch road right end position, LED under slide switch S1
Lamp cathode is connected；The battery E1 negative poles are connected with branch road centre position under slide switch 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 the negative electrode of LED 1 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 sent out for 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
Triode.
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 resistance R3, transistor T1 emitter stages, slide switch S1 branch road left end position
Put connected.
9. according to a kind of chargeable LED illumination circuit described in claim 1, it is characterised in that：The battery E1 is 4V
0.8AH batteries.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621445419.9U CN206294391U (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 |
|---|---|---|---|
| CN201621445419.9U CN206294391U (en) | 2016-12-27 | 2016-12-27 | A kind of chargeable LED illumination circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206294391U true CN206294391U (en) | 2017-06-30 |
Family
ID=59153977
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621445419.9U Expired - Fee Related CN206294391U (en) | 2016-12-27 | 2016-12-27 | A kind of chargeable LED illumination circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206294391U (en) |
-
2016
- 2016-12-27 CN CN201621445419.9U patent/CN206294391U/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: 20170630 Termination date: 20171227 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |