CN208025385U - A kind of solar lawn lamp and its control circuit - Google Patents

A kind of solar lawn lamp and its control circuit Download PDF

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Publication number
CN208025385U
CN208025385U CN201820488983.1U CN201820488983U CN208025385U CN 208025385 U CN208025385 U CN 208025385U CN 201820488983 U CN201820488983 U CN 201820488983U CN 208025385 U CN208025385 U CN 208025385U
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China
Prior art keywords
resistance
accumulator
connect
control
control circuit
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CN201820488983.1U
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Inventor
陈国强
莫俊超
刘俊显
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Jiawei New Energy Co., Ltd.
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Shenzhen Jiawei Photovoltaic Lighting Co Ltd
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Priority to CN201820488983.1U priority Critical patent/CN208025385U/en
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
    • Y02B20/72Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps in street lighting

Abstract

The utility model belongs to the LED Solar Light technical field, provides a kind of solar lawn lamp and its control circuit comprising:Accumulator, the accumulator are connect with the solar panel, and the solar panel is used to charge to the accumulator;Electric power detection unit, the electric power detection unit are connect with the accumulator, the electricity for detecting the accumulator;Chip is controlled, the control chip is connect with the electric power detection unit, and control signal is exported according to the information about power of the accumulator;Switch unit, the switch unit is connect with the control chip, according to the control signal conduction or shutdown;Light-sensitive device, the light-sensitive device are connect with the control chip, and for detecting ambient light signal, the control chip controls the output of the control signal according to the ambient light signal.Brightness is distributed according to sunlight power, lamps and lanterns automatic regulating lightness keeps Lawn lamp more intelligent to make the working time meet the time of standard design.

Description

A kind of solar lawn lamp and its control circuit
Technical field
The utility model belongs to the LED Solar Light technical field more particularly to a kind of solar lawn lamp and its control Circuit.
Background technology
Currently, the volume production of traditional LED enters accelerated development in recent years already close to even conventional light source has been surmounted Fast traffic lane, meanwhile, constantly ripe with the production technology of photovoltaic, the price straight line of photovoltaic cell declines, photovoltaic cell Application warp-wise every field is universal, therefore an emerging industry solar LED illumination causes related industry personage's It pays high attention to, solar LED illuminates the advantages of fully combining two green energy resources of LED and solar energy, becomes in certain occasions Best solution.
Existing solar lawn lamp, daytime absorb sunlight, the working time is longer when sunny, and can work always to The complete out of power of battery.The working time is unsecured when sunlight deficiency, and rainy days does not work.It " lives at the mercy of the elements " completely, Various Seasonal light Differ according to solar energy Landscape Lighting working time length caused by condition difference, different regions or national solar radiation difference are led The solar energy Landscape Lighting working time length of cause differs, and different weather environments illumination working time length also differs.
Therefore, there are problems that not ensureing the working time of solar lawn lamp in traditional technical solution.
Utility model content
The purpose of this utility model is to provide a kind of control circuits of solar lawn lamp, it is intended to solve traditional technology The problem of working time that can not ensure solar lawn lamp present in scheme.
A kind of control circuit of solar lawn lamp, is connected between solar panel and LED light, the control circuit Including:
Accumulator, the accumulator are connect with the solar panel, and the solar panel is used for the storage Battery charges;
Electric power detection unit, the electric power detection unit are connect with the accumulator, the electricity for detecting the accumulator Amount;
Chip is controlled, the control chip is connect with the electric power detection unit, according to the information about power of the accumulator Output control signal;
Switch unit, the switch unit is connect with the control chip, according to the control signal conduction or shutdown;
Light-sensitive device, the light-sensitive device are connect with the control chip, for detecting ambient light signal, the control core Piece controls the output of the control signal according to the ambient light signal.
In a wherein embodiment, the electric power detection unit includes first resistor and second resistance, the first resistor It is series between the anode and cathode of the accumulator, the public connecting end of the first resistor and second resistance and the control Chip connects.
In a wherein embodiment, the switch unit includes first switch pipe, 3rd resistor, the 4th resistance and the first electricity Hold;The first end of the first switch pipe connects the LED light, and the second end of the first switch pipe passes through the 3rd resistor The control terminal of ground connection, the first switch pipe connects the control chip, first capacitance connection by the 4th resistance Between the control terminal and ground of the first switch pipe.
In a wherein embodiment, the first switch pipe is triode or metal-oxide-semiconductor.
Further include management of charging and discharging unit in a wherein embodiment, the management of charging and discharging unit be connected to it is described too Between positive energy solar panel and the accumulator.
In a wherein embodiment, the management of charging and discharging unit includes triode, 3rd resistor, the 4th resistance, the 5th Resistance, the 6th resistance, the 7th resistance and source of stable pressure;, fiveth resistance in parallel with accumulator after 3rd resistor and the series connection of the 4th resistance It is in parallel with accumulator after source-series with voltage stabilizing, wherein the cathode of source of stable pressure and the 5th resistance, the plus earth of source of stable pressure, three poles The grid of pipe connects the public connecting end of the cathode and the 5th resistance of source of stable pressure by the 6th resistance, and the source electrode of triode passes through the Seven resistance eutral groundings, the anode of the emitter connection accumulator of triode.
In a wherein embodiment, the control signal is pwm signal, and the control signal passes through the switch unit tune The brightness of the whole LED light and time.
In addition, a kind of solar lawn lamp is additionally provided, including:Solar panel, LED light and be connected to it is described too The control circuit of positive above-mentioned solar lawn lamp that can be between solar panel and the LED light.
The control circuit of above-mentioned solar lawn lamp charges to accumulator by solar panel, electric power detection list Member detects the electricity of the accumulator, and control chip exports control signal according to the information about power of accumulator;Switch unit according to Signal conduction or shutdown are controlled, light-sensitive device detects ambient light signal, and control chip controls control signal according to ambient light signal Output detect daily light conditions to control the light on and off and brightness of LED light, brightness distributed according to sunlight power, Lamps and lanterns automatic regulating lightness keeps Lawn lamp more intelligent to make the working time meet the time of standard design.
Description of the drawings
Fig. 1 is the structural schematic diagram for the solar lawn lamp that the utility model embodiment provides;
Fig. 2 is the exemplary circuit schematic diagram of the control circuit for the solar lawn 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.
Fig. 1 shows the structural representation of the control circuit for the solar lawn lamp that the utility model preferred embodiment provides Figure, for convenience of description, only the parts related to this embodiment are shown, and details are as follows:
A kind of solar lawn lamp, including:Solar panel 200, LED light 300 and it is connected to solar panel The control circuit 100 of solar lawn lamp between 200 and LED light 300.Daily light conditions can be detected, according to sunlight Power distributes brightness, and lamps and lanterns automatic regulating lightness makes Lawn lamp more to make the working time meet the time of standard design It is intelligent.
As depicted in figs. 1 and 2, wherein the control circuit 100 of solar lawn lamp includes:Accumulator 10, control chip 20, electric power detection unit 30, switch unit 40 and light-sensitive device.
Accumulator 10 is connect with solar panel 200, and solar panel 200 is used to charge to accumulator 10, the sun Energy solar panel 200 acquires solar energy, electric energy is converted the solar into, by power storage in accumulator 10.Control circuit 100 is also Including management of charging and discharging unit, management of charging and discharging unit is connected between solar panel 200 and accumulator 10, for storing Battery 10 carries out management of charging and discharging.
Management of charging and discharging unit includes triode Q2, the 5th resistance R5, the 6th resistance R6, the 7th resistance R7, the 8th resistance R8, the 9th resistance R9 and source of stable pressure U1;, seventh resistance R7 in parallel with accumulator 10 after 5th resistance R5 and the 6th resistance R6 connects It is in parallel with accumulator 10 after connecting with source of stable pressure U1, wherein the cathode of source of stable pressure U1 and the 7th resistance R7, the anode of source of stable pressure U1 Ground connection, the grid of triode Q2 by the public connecting end of the cathode and the 7th resistance R7 of the 8th resistance R8 connection source of stable pressure U1, The source electrode of triode Q2 passes through the 9th resistance R9 ground connection, the anode of the emitter connection accumulator 10 of triode Q2.
Electric power detection unit 30 is connect with accumulator 10, the electricity for detecting accumulator 10, specifically, electric power detection Unit 30 includes first resistor R1 and second resistance R2, and first resistor R1 is series between the anode and cathode of accumulator 10, the The public connecting end of one resistance R1 and second resistance R2 is connect with control chip 20.Electric power detection unit 30 detects accumulator 10 Output voltage, and by exporting information about power after the partial pressure of first resistor R1 and second resistance R2 to control chip 20.
Control chip 20 is connect with electric power detection unit 30, and control signal is exported according to the information about power of accumulator 10;It opens It closes unit 40 to connect with control chip 20, according to control signal conduction or shutdown;Switch unit 40 includes first switch pipe Q1, the Three resistance R3, the 4th resistance R4 and the first capacitance C1;The first end of first switch pipe Q1 connects LED light 300, first switch pipe Q1 Second end be grounded by 3rd resistor R3, the control terminal of first switch pipe Q1 controls chip 20 by the 4th resistance R4 connections, First capacitance C1 is connected between the control terminal and ground of first switch pipe Q1.First switch pipe Q1 is triode Q2 or metal-oxide-semiconductor.Control Signal processed is pwm signal, and control signal adjusts brightness and the time of LED light 300 by switch unit 40.
Control circuit 100 further includes bleeder circuit, and bleeder circuit includes the tenth resistance R10 and eleventh resistor R11, and the tenth Resistance R10 and eleventh resistor R11 is connected in parallel on two output ends of solar panel 200 after connecting, pass through the tenth resistance R10 The voltage value that detection solar panel 200 exports after being divided with eleventh resistor R11, to monitor solar panel 200 Output.Control circuit 100 further includes zener diode D1 and switch K1, zener diode D1 be connected to Charge Management unit and Between the anode of accumulator 10,10 back discharge of accumulator, switch K1 is prevented to be connected to the anode and LED light 300 of accumulator 10 Anode between, as the discharge switch of Lawn lamp, for opening and closing LED light 300.
Light-sensitive device is photo resistance, and specifically, light-sensitive device is connect with control chip 20, for detecting ambient light letter Number, photo resistance judges that current light environment is daylight environment or night environment according to the ambient light intensity of detection, and exports Ambient light signal, and the output that chip 20 controls control signal according to ambient light signal is controlled, when being judged as daylight environment, control Coremaking piece 20 stops output control signal, and LED light 300 keeps OFF state;When being judged as night environment, control chip 20 is defeated Go out and control signal, LED light 300 is in illuminating state.Moreover, controlling the meeting of chip 20 according to the electricity of current accumulator 10 and working as In preceding season in season, lighting time and the brightness of Lawn lamp are calculated, for example, it is 8 hours that current season night hours, which are estimated, control Chip 20 can calculate this brightness in 8 hours according to the charge value of current accumulator 10, and LED light is controlled to export control signal 300。
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 (8)

1. a kind of control circuit of solar lawn lamp, is connected between solar panel and LED light, which is characterized in that institute Stating control circuit includes:
Accumulator, the accumulator are connect with the solar panel, and the solar panel is used for the accumulator Charging;
Electric power detection unit, the electric power detection unit are connect with the accumulator, the electricity for detecting the accumulator;
Chip is controlled, the control chip is connect with the electric power detection unit, is exported according to the information about power of the accumulator Control signal;
Switch unit, the switch unit is connect with the control chip, according to the control signal conduction or shutdown;
Light-sensitive device, the light-sensitive device are connect with the control chip, for detecting ambient light signal, the control chip root The output of the control signal is controlled according to the ambient light signal.
2. control circuit as described in claim 1, which is characterized in that the electric power detection unit includes first resistor and second Resistance, the first resistor are series between the anode and cathode of the accumulator, the public affairs of the first resistor and second resistance Connecting pin is connect with the control chip altogether.
3. control circuit as described in claim 1, which is characterized in that the switch unit includes first switch pipe, third electricity Resistance, the 4th resistance and the first capacitance;The first end of the first switch pipe connects the LED light, and the of the first switch pipe Two ends are grounded by the 3rd resistor, and the control terminal of the first switch pipe connects the control core by the 4th resistance Piece, first capacitance connection is between the control terminal and ground of the first switch pipe.
4. control circuit as claimed in claim 3, which is characterized in that the first switch pipe is triode or metal-oxide-semiconductor.
5. control circuit as described in claim 1, which is characterized in that further include management of charging and discharging unit, the charge and discharge fulgurite Reason unit is connected between the solar panel and the accumulator.
6. control circuit as claimed in claim 5, which is characterized in that the management of charging and discharging unit includes triode, third Resistance, the 4th resistance, the 5th resistance, the 6th resistance, the 7th resistance and source of stable pressure;3rd resistor and the 4th resistance series connection after with storage Cell parallel, it is in parallel with accumulator after the 5th resistance is source-series with voltage stabilizing, wherein the cathode of source of stable pressure and the 5th resistance, voltage stabilizing The plus earth in source, the grid of triode connect the public connecting end of the cathode and the 5th resistance of source of stable pressure by the 6th resistance, The source electrode of triode passes through the 7th resistance eutral grounding, the anode of the emitter connection accumulator of triode.
7. control circuit as described in claim 1, which is characterized in that the control signal is pwm signal, the control signal Brightness and the time of the LED light are adjusted by the switch unit.
8. a kind of solar lawn lamp, which is characterized in that including:Solar panel, LED light and it is connected to the solar energy The control circuit of the solar lawn lamp as described in claim 1-7 between solar panel and the LED light.
CN201820488983.1U 2018-04-04 2018-04-04 A kind of solar lawn lamp and its control circuit Active CN208025385U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820488983.1U CN208025385U (en) 2018-04-04 2018-04-04 A kind of solar lawn lamp and its control circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820488983.1U CN208025385U (en) 2018-04-04 2018-04-04 A kind of solar lawn lamp and its control circuit

Publications (1)

Publication Number Publication Date
CN208025385U true CN208025385U (en) 2018-10-30

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Application Number Title Priority Date Filing Date
CN201820488983.1U Active CN208025385U (en) 2018-04-04 2018-04-04 A kind of solar lawn lamp and its control circuit

Country Status (1)

Country Link
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111365672A (en) * 2018-12-24 2020-07-03 E·米山父子股份有限公司 Solar disc lamp with rotating frame
CN111503579A (en) * 2019-01-11 2020-08-07 雷旭东 Wine bottle lamp capable of being automatically opened and closed based on solar energy storage power supply

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111365672A (en) * 2018-12-24 2020-07-03 E·米山父子股份有限公司 Solar disc lamp with rotating frame
CN111503579A (en) * 2019-01-11 2020-08-07 雷旭东 Wine bottle lamp capable of being automatically opened and closed based on solar energy storage power supply

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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.