CN203868913U - Solar landscape lighting system - Google Patents
Solar landscape lighting system Download PDFInfo
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- CN203868913U CN203868913U CN201420159092.3U CN201420159092U CN203868913U CN 203868913 U CN203868913 U CN 203868913U CN 201420159092 U CN201420159092 U CN 201420159092U CN 203868913 U CN203868913 U CN 203868913U
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Abstract
The utility model discloses a solar landscape lighting system which comprises multiple photovoltaic panel power capturing circuits. Boost converting circuits in the photovoltaic panel power capturing circuits are directly connected with a direct current bus, the direct current bus is further connected with multiple storage battery charging circuits and connected with an illumination adjustment circuit, the illumination adjustment circuit is connected with a human body detection circuit, the Boost converting circuits and the storage battery charging circuits respectively comprise a PWM duty ratio adjustment device, and the PWM duty ratio adjustment devices are all connected with a controller. The two ends of storage batteries are connected with voltage detection circuits, and the voltage detection circuits are connected with the controller. Maximum-photovoltaic-capturing control is achieved through Boost converters. When a person enters a detection area, LED lamps output high luminance to achieve the lighting effect. When the human body leaves the detection area, the LED lamps are automatically switched to be low in luminance, and awesome mentalities caused by darkness and silences of a garden are eliminated. Energy-saving control is well achieved.
Description
Technical field
The utility model relates to a kind of solar energy Landscape Lighting system.
Background technology
Present stage, LED Landscape Lighting adopts topological structure shown in Fig. 1 more.Landscape Lighting is equipped with a photovoltaic panel, battery, a set of illuminator.This topological structure mode is simple, but each LED illumination is independently, mutually between not contact.Consider, each Landscape Lamp installation position is different, and the illumination of reception is different, and the Landscape Lamp charge in batteries having is many, and some Landscape Lamp charge in batteries are few, cause brightness at night inconsistent, the inconsistent problem of lighting hours.The Landscape Lamp having is relatively less because storing electricity daytime, and the night illumination time is short, and it is many that some Landscape Lamps is deposited electricity daytime, and the night illumination time is long.
Existing Landscape Lighting is when night, and possessor, unmanned, is not output higher brightness, causes unnecessary waste of energy.
Utility model content
The deficiency existing for solving prior art, the utility model discloses a kind of solar energy Landscape Lighting system, and this system has been improved a kind of maximum power tracing method, has realized the luminous energy of catching of greater efficiency.In addition, this system connects former relatively independent photovoltaic panel, battery, Landscape Lamp by dc bus, has realized the balance of power between system and has controlled.Extended the Landscape Lamp night illumination time.In addition, this system human detection function.When having people to enter Landscape Lamp investigative range, output higher brightness, provides illumination, when human body leaves after search coverage, keeps low-light level, eliminates calm raw fear psychology.
For achieving the above object, concrete scheme of the present utility model is as follows:
A kind of solar energy Landscape Lighting system, comprise a plurality of photovoltaic panel power capture circuit, Boost translation circuit in photovoltaic panel power capture circuit is directly connected with dc bus, dc bus also with to individual battery charging circuit is connected, dc bus is connected with illumination regulating circuit, illumination regulating circuit is connected with human detection circuit, and Boost translation circuit and battery charging circuit all include the device that regulates PWM dutycycle, regulates the device of PWM dutycycle to be all connected with controller; The two ends of described battery are connected with voltage detecting circuit, and voltage detecting circuit is connected with controller;
Described human detection circuit comprises that infrared sensor of the human body PIR, the concrete model of pyroelectricity process chip IC2(are CS9803) and level shifting circuit, level shifting circuit is comprised of triode T1, T2;
The 4th pin of described IC2 is connected with the base stage of triode T1 by resistance, the colelctor electrode of triode T1 is divided into two-way, the resistance of leading up to is connected with power supply, another road is connected with the base stage of triode T2, triode T1's and triode T2's emitter stage is all connected to the ground, the colelctor electrode of triode T2 divides two-way, and the electric capacity of leading up to is connected to the ground, and another road is connected with illumination regulating circuit.
PIR receives the infrared ray that human body discharges.IC2 processes the signal that PIR sends here, level shifting circuit output high level (having people), low level (unmanned).
Described photovoltaic panel power capture circuit comprises photovoltaic panel and the piezo-resistance, the first electrochemical capacitor, the first electric capacity, field-effect transistor, the second electrochemical capacitor and the second electric capacity that are in parallel successively with two outputs of photovoltaic panel, between described piezo-resistance and photovoltaic panel, be also in series with fuse, the first electric capacity and field-effect transistor are also in series with inductance, between field-effect transistor and the second electrochemical capacitor, are also in series with diode.
Described illumination regulating circuit comprises IC1, the first pin of IC1 is connected to the ground by electrochemical capacitor and the electric capacity being in parallel, the second pin of IC1 is connected to the ground by electric capacity and the adjustable resistance VR2 being in parallel, the second pin of IC1 is also connected with human detection circuit by resistance, between resistance and human detection circuit, be in series with and be connected to the ground electric capacity, the 3rd pin of IC1 divides two-way, the electric capacity of leading up to is connected to the ground, another road is connected to the ground with two resistance that are in series, the common port of two resistance is connected with the source electrode of field-effect transistor, the 4th pin of IC1 divides two-way, the resistance of leading up to is connected with the 5th pin of IC1, the resistance of separately leading up to is connected with the grid of field-effect transistor, the drain electrode of field-effect transistor divides two-way, one tunnel is connected with lighting device, another road is connected with the inductance being in parallel, inductance is connected with diode with the electric capacity being in series, between electric capacity and diode, be connected with dc bus.
Described voltage detecting circuit comprises isolated amplifier, the first pin of isolated amplifier divides two-way, the resistance of leading up to is connected with one end of battery, resistance and the electric capacity being in parallel of separately leading up to is connected with the other end of battery, and the second pin of isolated amplifier is connected with controller by amplifying circuit.
Described battery charging circuit comprises battery, battery and voltage detecting circuit are in parallel, after voltage detecting circuit is in series with inductance, be connected with the first field-effect transistor, after being in parallel with electrochemical capacitor after the first field-effect transistor and the second field-effect transistor are in series, be connected on dc bus.
The beneficial effects of the utility model:
Photovoltaic panel of the present utility model output is directly joined with Boost converter, regulates Boost converter dutycycle, i.e. adjustable photovoltaic panel output voltage, and then realize maximum power tracing control.Photovoltaic panel is used for catching solar energy.Boost converter is realized maximum photovoltaic and is caught control.Battery is stored photoelectricity by day, and night is to LED illuminalive power-supply.The LED lighting tool of design is for dimming function and human detection function.When someone enters detecting area, LED lamp output high brightness, plays illuminating effect.When human body leaves search coverage, automatically switch to low-light (level), eliminate the dark calm raw fear psychology causing in garden.Better realized Energy Saving Control.
Accompanying drawing explanation
Fig. 1 prior art structural representation;
Fig. 2 the application's structural topology figure;
Fig. 3 photovoltaic panel power capture circuit;
Fig. 4 voltage detecting circuit;
Fig. 5 illumination regulating circuit;
Fig. 6 human detection circuit;
Fig. 7 accumulator charging/discharging circuit;
Fig. 8 overall system hardware circuit.
The specific embodiment:
Below in conjunction with accompanying drawing, the utility model is elaborated:
As Figure 1-5, a kind of solar energy Landscape Lighting system, comprise a plurality of photovoltaic panel power capture circuit, Boost translation circuit in photovoltaic panel power capture circuit is directly connected with dc bus, dc bus also with to individual battery charging circuit is connected, dc bus is connected with illumination regulating circuit, illumination regulating circuit is connected with human detection circuit, Boost translation circuit and battery charging circuit all include the device that regulates PWM dutycycle, regulate the device of PWM dutycycle to be all connected with controller; The two ends of described battery are connected with voltage detecting circuit, and voltage detecting circuit is connected with controller.
Described human detection circuit comprises that infrared sensor of the human body PIR, the concrete model of pyroelectricity process chip IC2(are CS9803) and level shifting circuit formation.Level shifting circuit is to consist of triode T1, T2.PIR receives the infrared ray that human body discharges.IC2 processes the signal that PIR sends here, level shifting circuit output high level (having people), low level (unmanned).
The 4th pin of described IC2 is connected with the base stage of triode T1 by resistance, the colelctor electrode of triode T1 is divided into two-way, the resistance of leading up to is connected with power supply, another road is connected with the base stage of triode T2, triode T1's and triode T2's emitter stage is all connected to the ground, the colelctor electrode of triode T2 divides two-way, and the electric capacity of leading up to is connected to the ground, and another road is connected with illumination regulating circuit.
Described photovoltaic panel power capture circuit comprises photovoltaic panel and the piezo-resistance, the first electrochemical capacitor, the first electric capacity, field-effect transistor, the second electrochemical capacitor and the second electric capacity that are in parallel successively with two outputs of photovoltaic panel, between described piezo-resistance and photovoltaic panel, be also in series with fuse, the first electric capacity and field-effect transistor are also in series with inductance, between field-effect transistor and the second electrochemical capacitor, are also in series with diode.
Described illumination regulating circuit comprises IC1, the first pin of IC1 is connected to the ground by electrochemical capacitor and the electric capacity being in parallel, the second pin of IC1 is connected to the ground by electric capacity and the adjustable resistance VR2 being in parallel, the concrete model of IC1(IC1 is CHIPLINK6804) the second pin also by resistance, be connected with human detection circuit, between resistance and human detection circuit, be in series with and be connected to the ground electric capacity, the 3rd pin of IC1 divides two-way, the electric capacity of leading up to is connected to the ground, another road is connected to the ground with two resistance that are in series, the common port of two resistance is connected with the source electrode of field-effect transistor, the 4th pin of IC1 divides two-way, the resistance of leading up to is connected with the 5th pin of IC1, the resistance of separately leading up to is connected with the grid of field-effect transistor, the drain electrode of field-effect transistor divides two-way, one tunnel is connected with lighting device, another road is connected with the inductance being in parallel, inductance is connected with diode with the electric capacity being in series, between electric capacity and diode, be connected with dc bus.
Described voltage detecting circuit comprises isolated amplifier, the first pin of isolated amplifier divides two-way, the resistance of leading up to is connected with one end of battery, resistance and the electric capacity being in parallel of separately leading up to is connected with the other end of battery, and the second pin of isolated amplifier is connected with controller by amplifying circuit.
As shown in Figure 6, accumulator charging/discharging circuit consists of buck-boost circuit, voltage detecting circuit.Buck-boost circuit is to consist of power switch pipe Q8Q9, inductance L 8 and capacitor C 30.During charge in batteries, power switch Q8 opens, Q9 closes, and now, regulates the dutycycle of Q8, adjustable charging current, and dutycycle is larger, and charging current is larger.During battery discharging, power switch Q9 opens, Q8 closes, and regulates the dutycycle of Q9, capable of regulating discharging size of current, and dutycycle is larger, and discharge current is larger.
Fig. 7 is overall hardware circuit schematic diagram.Be numbered photovoltaic panel, battery and distributed network of Landscape Lamp formation (can be also many group photovoltaic panel, battery, networks of Landscape Lamp composition) of 1,2,3.
Operation principle: photovoltaic panel power capture circuit consists of photovoltaic panel, holding circuit, BOOST converter.Holding circuit consists of fuse, piezo-resistance, plays overvoltage, short-circuit protection effect.Regulate the dutycycle of BOOST converter can realize maximum power tracing control.
Voltage detecting circuit consists of resistance pressure-dividing network, isolation amplification, LPF, high-pass filtering.Resistance pressure-dividing network is comprised of resistance, electric capacity, and it is adjusted to the proportional decay of tested voltage to be applicable to the scope that DSP detects.Isolation amplification is comprised of chip AD210, and he has realized the isolation detection of voltage.LPF, high-pass filtering have formed bandpass filtering jointly, have eliminated the interference in measuring process.
Described accumulator charging/discharging circuit comprises that battery, buckboost circuit and voltage detecting circuit form.Buck-boost circuit is to consist of power switch pipe Q8Q9, inductance L 8 and capacitor C 30.Battery and voltage detecting circuit S3 are in parallel, and after S3 is in series with inductance, are connected with the first field-effect transistor, after being in parallel, are connected on dc bus after the first field-effect transistor and the second field-effect transistor are in series with electrochemical capacitor.S3 is the acute pyogenic infection of finger tip of voltage detecting circuit.
When the S of detection circuit port output high level, LED driver output high brightness, when the S of detection circuit port output low level, the low-light level of LED driver output.Regulate slide rheostat VR2 can regulate the output brightness of LED.
When having people to enter detecting area, the variation level of PIR output higher magnitude, through the amplification of IC2, relatively after, S port output high level.
When human body leaves detecting area, PIR exports compared with the variation level of low amplitude value, now, and S port output low level.
The S port of detection circuit drives and is connected with LED, and the output level of detection circuit S port can be controlled LED and drive in highlighted state or low bright state.
Claims (5)
1. a solar energy Landscape Lighting system, it is characterized in that, comprise a plurality of photovoltaic panel power capture circuit, Boost translation circuit in photovoltaic panel power capture circuit is directly connected with dc bus, dc bus also with to individual battery charging circuit is connected, dc bus is connected with illumination regulating circuit, illumination regulating circuit is connected with human detection circuit, Boost translation circuit and battery charging circuit all include the device that regulates PWM dutycycle, regulate the device of PWM dutycycle to be all connected with controller; The two ends of described battery are connected with voltage detecting circuit, and voltage detecting circuit is connected with controller;
Described human detection circuit comprises infrared sensor of the human body PIR, pyroelectricity process chip IC2 and level shifting circuit, and level shifting circuit is comprised of triode T1, T2;
The 4th pin of described IC2 is connected with the base stage of triode T1 by resistance, the colelctor electrode of triode T1 is divided into two-way, the resistance of leading up to is connected with power supply, another road is connected with the base stage of triode T2, triode T1's and triode T2's emitter stage is all connected to the ground, the colelctor electrode of triode T2 divides two-way, and the electric capacity of leading up to is connected to the ground, and another road is connected with illumination regulating circuit.
2. a kind of solar energy Landscape Lighting system as claimed in claim 1, it is characterized in that, described photovoltaic panel power capture circuit comprises photovoltaic panel and the piezo-resistance, the first electrochemical capacitor, the first electric capacity, field-effect transistor, the second electrochemical capacitor and the second electric capacity that are in parallel successively with two outputs of photovoltaic panel, between described piezo-resistance and photovoltaic panel, be also in series with fuse, the first electric capacity and field-effect transistor are also in series with inductance, between field-effect transistor and the second electrochemical capacitor, are also in series with diode.
3. a kind of solar energy Landscape Lighting system as claimed in claim 1, it is characterized in that, described illumination regulating circuit comprises IC1, the first pin of IC1 is connected to the ground by electrochemical capacitor and the electric capacity being in parallel, the second pin of IC1 is connected to the ground by electric capacity and the adjustable resistance VR2 being in parallel, the second pin of IC1 is also connected with human detection circuit by resistance, between resistance and human detection circuit, be in series with and be connected to the ground electric capacity, the 3rd pin of IC1 divides two-way, the electric capacity of leading up to is connected to the ground, another road is connected to the ground with two resistance that are in series, the common port of two resistance is connected with the source electrode of field-effect transistor, the 4th pin of IC1 divides two-way, the resistance of leading up to is connected with the 5th pin of IC1, the resistance of separately leading up to is connected with the grid of field-effect transistor, the drain electrode of field-effect transistor divides two-way, one tunnel is connected with lighting device, another road is connected with the inductance being in parallel, inductance is connected with diode with the electric capacity being in series, between electric capacity and diode, be connected with dc bus.
4. a kind of solar energy Landscape Lighting system as claimed in claim 1, it is characterized in that, described voltage detecting circuit comprises isolated amplifier, the first pin of isolated amplifier divides two-way, the resistance of leading up to is connected with one end of battery, resistance and the electric capacity being in parallel of separately leading up to is connected with the other end of battery, and the second pin of isolated amplifier is connected with controller by amplifying circuit.
5. a kind of solar energy Landscape Lighting system as claimed in claim 1, it is characterized in that, described battery charging circuit comprises battery, battery and voltage detecting circuit are in parallel, after S3 is in series with inductance, be connected with the first field-effect transistor, after being in parallel with electrochemical capacitor after the first field-effect transistor and the second field-effect transistor are in series, be connected on dc bus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420159092.3U CN203868913U (en) | 2014-04-02 | 2014-04-02 | Solar landscape lighting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420159092.3U CN203868913U (en) | 2014-04-02 | 2014-04-02 | Solar landscape lighting system |
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| Publication Number | Publication Date |
|---|---|
| CN203868913U true CN203868913U (en) | 2014-10-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420159092.3U Expired - Fee Related CN203868913U (en) | 2014-04-02 | 2014-04-02 | Solar landscape lighting system |
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| Country | Link |
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| CN (1) | CN203868913U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104991601A (en) * | 2015-07-22 | 2015-10-21 | 济南市市政工程设计研究院（集团）有限责任公司 | Photovoltaic generating control system and control method for comprehensive tunnel |
| WO2022033002A1 (en) * | 2020-08-12 | 2022-02-17 | 杭州明煜光电科技有限公司 | Photovoltaic power generation system |
| US11962155B2 (en) | 2020-08-12 | 2024-04-16 | Hangzhou Binary Optoelectronics & Tech Co., Ltd. | Photovoltaic power generation system |
-
2014
- 2014-04-02 CN CN201420159092.3U patent/CN203868913U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104991601A (en) * | 2015-07-22 | 2015-10-21 | 济南市市政工程设计研究院（集团）有限责任公司 | Photovoltaic generating control system and control method for comprehensive tunnel |
| WO2022033002A1 (en) * | 2020-08-12 | 2022-02-17 | 杭州明煜光电科技有限公司 | Photovoltaic power generation system |
| US11962155B2 (en) | 2020-08-12 | 2024-04-16 | Hangzhou Binary Optoelectronics & Tech Co., Ltd. | Photovoltaic power generation system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141008 Termination date: 20180402 |