CN208029154U - A kind of the LED Solar Light and its control circuit - Google Patents
A kind of the LED Solar Light and its control circuit Download PDFInfo
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- CN208029154U CN208029154U CN201820489126.3U CN201820489126U CN208029154U CN 208029154 U CN208029154 U CN 208029154U CN 201820489126 U CN201820489126 U CN 201820489126U CN 208029154 U CN208029154 U CN 208029154U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/30—Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]
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Abstract
The utility model belongs to field of illumination lamp technology, provides a kind of the LED Solar Light and its control circuit comprising：Accumulator, the accumulator is for providing power supply, charging circuit, and the charging circuit is connected between the solar panel and the accumulator, for charging to the accumulator；Overcharge protection circuit, the overcharge protection circuit are connect with the charging circuit, and protection is overcharged for the accumulator；Over-discharge protection circuit, the over-discharge protection circuit are connected between the accumulator and the LED light, are used for the Cross prevention of the accumulator.It is effectively protected circuit by overcharge protection circuit and over-discharge protection circuit, reduces and is lost caused by overcharge and overdischarge, circuit structure is simpler, and high sensitivity, and control effect is good.
Description
Technical field
The utility model belongs to field of illumination lamp technology more particularly to a kind of the LED Solar Light and its control circuit.
Background technology
Solar energy is gradually applied to various energy fields, especially as a kind of energy-saving and environment-friendly regenerative resource
Be in terms of illumination be widely used it is general.
Solar LED (Light Emitting Diode) lamp is widely used because it meets environment protection requirement and its superior security performance,
Demand is increasing, and the solar lawn lamp of the prior art includes solar cell, accumulator, LED light, solar cell with
Accumulator is electrically connected to form charge circuit, and accumulator electrically connects as LED light with LED light and provides operating voltage, when having sunlight, needs
It wants accumulator to charge, when dark, needs battery discharging that LED light is made to work, this just needs a control circuit pair
The charge and discharge of accumulator are controlled, and the element that the control circuit of the prior art uses is more so that and circuit structure is more complex, and
And sensitivity is not high, control effect is bad.
Therefore, it is more complex that there are circuit structures in traditional technical solution, and sensitivity is not high, and control effect is bad
Problem.
Utility model content
The purpose of this utility model is to provide a kind of solar lawn lamp and its control circuits, it is intended to solve traditional skill
Circuit structure present in art scheme is more complex, and sensitivity is not high, the bad problem of control effect.
A kind of control circuit of solar LED (Light Emitting Diode) lamp, the control circuit include：
Accumulator, the accumulator are used to provide power supply,
Charging circuit, the charging circuit are connected between the solar panel and the accumulator, for institute
Accumulator is stated to charge；
Overcharge protection circuit, the overcharge protection circuit are connect with the charging circuit, for overcharging for the accumulator
Protection；
Over-discharge protection circuit, the over-discharge protection circuit are connected between the accumulator and LED light, are used for the electric power storage
The Cross prevention in pond.
In a wherein embodiment, the charging circuit includes first switch pipe, first resistor and second resistance；Described
The input terminal of one switching tube connects the solar panel, and the first resistor and the second resistance are connected to described first
Between the input terminal of switching tube and the reference edge of the first switch pipe, the output end of the first switch pipe connects the electric power storage
Pond.
In a wherein embodiment, the overcharge protection circuit includes first voltage a reference source, 3rd resistor and the 4th electricity
Resistance；The cathode of the first voltage a reference source connects the charging circuit, and the plus earth of the first voltage a reference source is described
3rd resistor and the 4th resistance are series between the anode and ground of the accumulator, the reference of the first voltage a reference source
End connects the public connecting end of the 3rd resistor and the 4th resistance.
In a wherein embodiment, the over-discharge protection circuit includes second voltage a reference source, second switch pipe, the 5th electricity
Resistance, the 6th resistance, the 7th resistance and light-sensitive device；The input terminal of the second switch pipe connects the anode of the accumulator, institute
The output end for stating second switch pipe links the anode of the LED light, and the 5th resistance is connected to the defeated of the second switch pipe
Enter between end and the reference edge of the second switch pipe, the cathode of the second voltage a reference source connects the second switch pipe
The anode of reference edge, the second voltage a reference source connects the cathode of the LED light, the light-sensitive device connection and described second
Between the reference edge and ground of voltage-reference, the 6th resistance is connected to the reference edge of the second voltage a reference source and described
Between overcharge protection circuit, the 7th resistance is connected between the reference edge and ground of the second voltage a reference source.
In a wherein embodiment, the over-discharge protection circuit further includes filter capacitor, the filter capacitor and the light
Sensing device is connected in parallel.
Further include rectifier diode in a wherein embodiment, the rectifier diode connection and the solar cell
Between plate and the charging circuit, the voltage for being exported to the solar energy carries out rectification.
Further include zener diode in a wherein embodiment, the cathode of the zener diode connects the charging electricity
Road, the plus earth of the zener diode.
Further include current-limiting resistance in a wherein embodiment, the current-limiting resistance be connected to the Cross prevention module and
Between the anode of the LED light.
In addition, additionally providing a kind of solar LED (Light Emitting Diode) lamp, the solar LED (Light Emitting Diode) lamp includes：Solar panel, LED light with
And it is connected to the control circuit of the above-mentioned solar LED (Light Emitting Diode) lamp between the solar panel and the LED light.
The control circuit of above-mentioned circuit solar LED (Light Emitting Diode) lamp, by solar panel and charging circuit to accumulator into
Row charging, for providing power supply, overcharge protection of the overcharge protection circuit for accumulator, over-discharge protection circuit is for described
The Cross prevention of accumulator is effectively protected circuit by overcharge protection circuit and over-discharge protection circuit, reduces because of overcharge
With loss caused by overdischarge, circuit structure is simpler, and high sensitivity, and control effect is good.
Description of the drawings
Fig. 1 is the solar LED (Light Emitting Diode) lamp structural schematic diagram that the utility model embodiment provides；
Fig. 2 is the exemplary circuit schematic diagram of the control circuit for the solar LED (Light Emitting Diode) lamp that the utility model embodiment provides.
Specific implementation mode
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.
As depicted in figs. 1 and 2, the utility model provides a kind of solar LED (Light Emitting Diode) lamp, and solar LED (Light Emitting Diode) lamp includes：Solar-electricity
The control electricity of pond plate 200, LED light 300 and the solar LED (Light Emitting Diode) lamp being connected between solar panel 200 and LED light 300
Road.It is widely used in the various lighting areas such as Lawn lamp, street lamp.
Wherein, the control circuit of solar LED (Light Emitting Diode) lamp, control circuit include：Accumulator 30, overcharges protection at charging circuit 10
Circuit 20 and over-discharge protection circuit 40.It is effectively protected circuit by overcharge protection circuit 20 and over-discharge protection circuit 40, is reduced
It is lost caused by overcharge and overdischarge, circuit structure is simpler, and high sensitivity, control effect is good.
Accumulator 30 for providing power supply, charging circuit 10 be connected to solar panel 200 and accumulator 30 it
Between, for charging to accumulator 30.Specifically, charging circuit 10 includes first switch pipe Q1, first resistor R1 and the
Two resistance R2；The input terminal of first switch pipe Q1 connects solar panel 200, and first resistor R1 and second resistance R2 are connected to
Between the input terminal and the reference edge of first switch pipe Q1 of first switch pipe Q1, the output end of first switch pipe Q1 connects accumulator
30。
Overcharge protection circuit 20 is connect with charging circuit 10, and protection is overcharged for accumulator 30；Overcharge protection circuit 20
Including first voltage a reference source U1,3rd resistor R3 and the 4th resistance R4；The cathode connection charging electricity of first voltage a reference source U1
Road 10, the plus earth of first voltage a reference source U1,3rd resistor R3 and the 4th resistance R4 be series at accumulator 30 anode and
Between ground, the public connecting end of reference edge connection the 3rd resistor R3 and the 4th resistance R4 of first voltage a reference source U1.
Over-discharge protection circuit 40 is connected between accumulator 30 and LED light 300, is used for the Cross prevention of accumulator 30, is prevented
Only accumulator 30 is crossed and is put.Wherein, over-discharge protection circuit 40 includes second voltage a reference source U2, second switch pipe Q2, the 5th resistance
R5, the 6th resistance R6, the 7th resistance R7 and light-sensitive device CDS；The anode of the input terminal connection accumulator 30 of second switch pipe Q2,
Second switch pipe Q2 output end link LED light 300 anode, the 5th resistance R5 be connected to second switch pipe Q2 input terminal and
Between the reference edge of second switch pipe Q2, the reference edge of the cathode connection second switch pipe Q2 of second voltage a reference source U2, second
The cathode of the anode connection LED light 300 of voltage-reference U2, the reference of light-sensitive device CDS connections and second voltage a reference source U2
Between end and ground, the 6th resistance R6 is connected between the reference edge and overcharge protection circuit 20 of second voltage a reference source U2, and the 7th
Resistance R7 is connected between the reference edge and ground of second voltage a reference source U2.
Further, over-discharge protection circuit 40 further includes filter capacitor C2, and filter capacitor C2 is in parallel with light-sensitive device CDS to be connected
It connects.Control circuit further includes rectifier diode D1, rectifier diode D1 connections and solar panel 200 and charging circuit 10 it
Between, the voltage for being exported to solar energy carries out rectification.Further include zener diode Z1, the cathode connection of zener diode Z1 is filled
Circuit 10, the plus earth of zener diode Z1.Further include current-limiting resistance R8, current-limiting resistance R8 is connected to Cross prevention module
Between the anode of LED light 300.
On daytime, solar panel 200 acquires solar energy, and charges to accumulator 30 through overcharge circuit 10, overcharges
When 30 voltage of accumulator gradually reaches preset overcharged voltage, charging current is smaller and smaller, until first switch pipe Q1 is complete
It closes, wherein the overcharged voltage is by the 3rd resistor R3 being connect with the reference edge of first voltage a reference source U1, the 4th R4 points of resistance
Pressure setting, diode D1 play anti-reverse charging, and zener diode Z1 is used to adjust the size of charging current.On the other hand, due to
Close to zero, the reference voltage of second voltage a reference source U2 is pulled to close to 0V the resistance value of photo resistance, promotes second voltage base
The anode voltage of quasi- source U2 is equal to cell voltage, and the Q2 shutdowns of second switch pipe, LED is without output.
At night, i.e. the illumination of ambient light is less than under the conditions of 10LUX, and the resistance of photo resistance is much larger than R7, at this point, second
The base voltage of switching tube Q2 is by the 3rd resistor R3, the 4th resistance R4, that are connect with the reference edge of second voltage a reference source U2
Six resistance R6, the 7th resistance R7 determine that, when cell voltage is not up to preset brownout voltage, second switch pipe Q2 is in always
Conducting state, lightening LED lamp 300, when LED light 300, which is lighted always, reaches the brownout voltage of setting until 30 voltage of accumulator,
Close to the voltage of accumulator 30, second switch pipe Q2 closes the anode output voltage auto-control of second voltage a reference source U2, LED
Without output.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
All any modification, equivalent and improvement etc., should be included in the utility model made by within the spirit and principle of utility model
Protection domain within.
Claims (9)
1. a kind of control circuit of solar LED (Light Emitting Diode) lamp, is connected between solar panel and LED light, which is characterized in that described
Control circuit includes：
Accumulator, the accumulator are used to provide power supply,
Charging circuit, the charging circuit are connected between the solar panel and the accumulator, for the storage
Battery charges；
Overcharge protection circuit, the overcharge protection circuit are connect with the charging circuit, and protection is overcharged for the accumulator；
Over-discharge protection circuit, the over-discharge protection circuit are connected between the accumulator and the LED light, are used for the electric power storage
The Cross prevention in pond.
2. the control circuit of solar LED (Light Emitting Diode) lamp as described in claim 1, which is characterized in that the charging circuit includes first
Switching tube, first resistor and second resistance；The input terminal connection solar panel of the first switch pipe, described first
Resistance and the second resistance are connected between the input terminal of the first switch pipe and the reference edge of the first switch pipe, institute
The output end for stating first switch pipe connects the accumulator.
3. the control circuit of solar LED (Light Emitting Diode) lamp as described in claim 1, which is characterized in that the overcharge protection circuit includes
First voltage a reference source, 3rd resistor and the 4th resistance；The cathode of the first voltage a reference source connects the charging circuit, institute
State the plus earth of first voltage a reference source, the 3rd resistor and the 4th resistance be series at the accumulator anode and
Between ground, the reference edge of the first voltage a reference source connects the public connecting end of the 3rd resistor and the 4th resistance.
4. the control circuit of solar LED (Light Emitting Diode) lamp as described in claim 1, which is characterized in that the over-discharge protection circuit includes
Second voltage a reference source, second switch pipe, the 5th resistance, the 6th resistance, the 7th resistance and light-sensitive device；The second switch pipe
Input terminal connect the anode of the accumulator, the output end of the second switch pipe links the anode of the LED light, described
Five resistance are connected between the input terminal of the second switch pipe and the reference edge of the second switch pipe, the second voltage base
The cathode in quasi- source connects the reference edge of the second switch pipe, and the anode of the second voltage a reference source connects the LED light
Cathode, between the light-sensitive device connection and the reference edge and ground of the second voltage a reference source, the 6th resistance is connected to
Between the reference edge and the overcharge protection circuit of the second voltage a reference source, the 7th resistance is connected to second electricity
Between the reference edge and ground of pressing a reference source.
5. the control circuit of solar LED (Light Emitting Diode) lamp as claimed in claim 4, which is characterized in that the over-discharge protection circuit also wraps
Filter capacitor is included, the filter capacitor is connected in parallel with the light-sensitive device.
6. the control circuit of solar LED (Light Emitting Diode) lamp as described in claim 1, which is characterized in that further include rectifier diode, it is described
Rectifier diode connects between the solar panel and the charging circuit, the voltage for being exported to the solar energy
Carry out rectification.
7. the control circuit of solar LED (Light Emitting Diode) lamp as described in claim 1, which is characterized in that further include zener diode, it is described
The cathode of zener diode connects the charging circuit, the plus earth of the zener diode.
8. the control circuit of solar LED (Light Emitting Diode) lamp as described in claim 1, which is characterized in that further include current-limiting resistance, the limit
Leakage resistance is connected between the Cross prevention module and the anode of the LED light.
9. a kind of the LED Solar Light, which is characterized in that the solar LED (Light Emitting Diode) lamp includes：Solar panel, LED light and
Be connected between the solar panel and the LED light such as claim 1 to 8 any one of them solar LED (Light Emitting Diode) lamp
Control circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820489126.3U CN208029154U (en) | 2018-04-04 | 2018-04-04 | A kind of the LED Solar Light and its control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820489126.3U CN208029154U (en) | 2018-04-04 | 2018-04-04 | A kind of the LED Solar Light and its control circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208029154U true CN208029154U (en) | 2018-10-30 |
Family
ID=63910258
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820489126.3U Active CN208029154U (en) | 2018-04-04 | 2018-04-04 | A kind of the LED Solar Light and its control circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208029154U (en) |
-
2018
- 2018-04-04 CN CN201820489126.3U patent/CN208029154U/en active Active
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 518000 New Industrial Zone No. 1, 2, 3 and 4, Pingdi Street Center Community, Longgang District, Shenzhen City, Guangdong Province Patentee after: Jiawei New Energy Co., Ltd. Address before: 518000 New Industrial Zone No. 1, 2, 3 and 4, Pingdi Street Center Community, Longgang District, Shenzhen City, Guangdong Province Patentee before: Shenzhen Jiawei Photovoltaic Lighting Co., Ltd. |