CN202931635U - Multimode automatic complementary power supply road lighting system - Google Patents
Multimode automatic complementary power supply road lighting system Download PDFInfo
- Publication number
- CN202931635U CN202931635U CN201220601424XU CN201220601424U CN202931635U CN 202931635 U CN202931635 U CN 202931635U CN 201220601424X U CN201220601424X U CN 201220601424XU CN 201220601424 U CN201220601424 U CN 201220601424U CN 202931635 U CN202931635 U CN 202931635U
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- power supply
- module
- lighting system
- charging circuit
- chip microcomputer
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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
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
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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
- Y02B20/72—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps in street lighting
Abstract
The utility model provides a multimode automatic complementary power supply road lighting system, comprising an accumulator, LED loads, a solar cell panel, a charging circuit, a one-chip microcomputer, a commercial power supplement module, an accumulator voltage sampling module and load end electromagnetic relays used for controlling on and off of the LED loads. The accumulator is in connection with the LED loads, the charging circuit and the accumulator voltage sampling module; the charging circuit is in connection with the solar cell panel; the charging circuit, the accumulator voltage sampling module and the load end electromagnetic relays are in connection with the one-chip microcomputer; the commercial power supplement module comprises power supply end electromagnetic relays. The multimode automatic complementary power supply road lighting system employs a solar cell panel and commercial power complementation power supply mode and performs voltage sampling on the accumulator so as to avoid over-discharge of the accumulator, which not only fully guarantees power supply needed by road lamps, but also prolongs the service life of the accumulator.
Description
Technical field
The utility model belongs to automation field, relates to discharging and recharging of street lamp and controls and supply power mode, is specifically related to a kind of multimode complementary power supply roadway lighting system automatically.
Background technology
In order to guarantee vehicle at night and pedestrian's safety, the mounting design that illuminations, especially street lamp are installed in the both sides of road is extremely important.At present, for energy-saving and emission-reduction, realize the sustainable development of the energy, the LED solar street light is adopted in most of road both sides, be direct voltage by solar cell with light energy conversion, by the reasonable combination of solar module, obtain the voltage of LED light fixture actual needs, both are easy to coupling, can obtain very high utilance, have higher fail safe, can realize the requirement of energy-saving and environmental protection.Current, nearly all solar street light is only provided electric energy and is adopted simple automatic control system by the solar panel of itself, in general it is mainly the central processing unit of core by a single-chip microcomputer or other chips, street lamp is carried out the control of opening and closing under the brightness judgment means take transducer as critical piece coordinates, this street lamp exists following defective:
1) solar cell is subjected to the impact of illumination condition larger, can not guarantee fully that street lamp has enough electric energy to keep its unlatching;
2) can not carry out according to vehicle and pedestrian's the actual conditions such as quantity the brightness regulation of street lamp;
3) can not prevent overcharge of a battery or overdischarge.
Summary of the invention
For defective of the prior art or deficiency, the purpose of this utility model is to provide a kind of multimode complementary power supply roadway lighting system automatically.
For achieving the above object, the utility model has adopted following technical scheme:
this illuminator comprises storage battery, the LED load, solar panel, charging circuit module, single-chip microcomputer, civil power supplementary circuitry module, battery tension sampling module and the load end electromagnetic relay that is used for controlling LED load break-make, described storage battery respectively with the LED load, charging circuit module and battery tension sampling module are connected, solar panel is connected with charging circuit module, charging circuit module, battery tension sampling module and load end electromagnetic relay are connected with single-chip microcomputer respectively, civil power supplementary circuitry module comprises the feeder ear electromagnetic relay, the feeder ear electromagnetic relay is connected with LED load and single-chip microcomputer respectively, line is connected with the LED load by the feeder ear electromagnetic relay.
Described illuminator also comprises the solar cell panel voltages sampling module, and an end of solar cell panel voltages sampling module is connected with charging circuit module, and the other end is connected with single-chip microcomputer.
Described solar cell panel voltages sampling module and battery tension sampling module adopt the ADC0809A/D conversion chip.
Described illuminator also comprises the system clock chip module that is connected with single-chip microcomputer.
Described system clock chip module adopts the DS12C887 clock chip.
Described illuminator also comprises the power converting circuit module, and an end of power converting circuit module is connected with storage battery, and the other end is connected with the battery tension sampling module.
Described power converting circuit module adopts the MC3046 chip.
Described single-chip microcomputer is AT89C52.
Described charging circuit module adopts the TL494 chip.
The beneficial effects of the utility model are embodied in:
Multimode described in the utility model is the mode of complementary power roadway lighting system employing solar panel and mains hybrid power supply automatically, by being carried out voltage signal sampling, storage battery prevents battery overdischarge, not only solved the problem that enough electric weight can not be provided because of long-term cloudy storage battery, fully guarantee the power supply that street lamp is required, also extended the life-span of storage battery simultaneously.
The utility model has carried out rational design to discharging and recharging of storage battery, and the voltage-type pulse-width modulation (PWM) that charging circuit module adopts the TL494 chip to realize can effectively prevent overcharge of a battery according to the result of voltage sample.
The utility model is controlled the break-make of LED load according to the sampling of solar cell panel voltages, realizes the purpose of automatic shutter street lamp, simultaneously, utilizes the system clock chip module to carry out the adjustment of brightness according to the time, has saved to greatest extent electric energy.
Description of drawings
Fig. 1 is master-plan block diagram of the present utility model;
Fig. 2 judges the subprogram block diagram time of the present utility model;
Fig. 3 is charge and discharge programming flowchart of the present utility model.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
referring to Fig. 1, illuminator described in the utility model comprises storage battery, the LED load, solar panel, charging circuit module, single-chip microcomputer, civil power supplementary circuitry module, battery tension sampling module and the load end electromagnetic relay that is used for controlling LED load break-make, described storage battery respectively with the LED load, charging circuit module and battery tension sampling module are connected, solar panel is connected with charging circuit module, charging circuit module, battery tension sampling module and load end electromagnetic relay are connected with single-chip microcomputer respectively, civil power supplementary circuitry module comprises the feeder ear electromagnetic relay, the feeder ear electromagnetic relay is connected with LED load and single-chip microcomputer respectively, line is connected with the LED load by the feeder ear electromagnetic relay.
Described illuminator also comprises the solar cell panel voltages sampling module, and an end of solar cell panel voltages sampling module is connected with charging circuit module, and the other end is connected with single-chip microcomputer.
Described solar cell panel voltages sampling module and battery tension sampling module adopt the ADC0809A/D conversion chip.
Described illuminator also comprises the system clock chip module that is connected with single-chip microcomputer; Described system clock chip module adopts the DS12C887 clock chip.
Described illuminator also comprises the power converting circuit module, and an end of power converting circuit module is connected with storage battery, and the other end is connected with the battery tension sampling module; Described power converting circuit module adopts the MC3046 chip.
Described single-chip microcomputer is AT89C52.
Described charging circuit module adopts the TL494 chip.
Operation principle of the present utility model is as follows:
Referring to Fig. 2 and Fig. 3, the battery tension that single-chip microcomputer provides according to the battery tension sampling module, after the voltage of storage battery is lower than a certain set point, the access of control civil power, for street lamp provides power supply, prevent battery overdischarge, when the voltage of storage battery during higher than a certain set point, control charging circuit and stop storage battery being charged, prevent from overcharging; Whether single-chip microcomputer connects the LED load according to the solar cell panel voltages signal controlling that the solar cell panel voltages sampling module provides, thereby realize the street lamp automatic shutter, simultaneously, by comparing the voltage of solar panel and storage battery, charge mode to storage battery is adjusted, further prevent from overcharging, single-chip microcomputer provides according to the system clock chip module season, information and time information were controlled the connection quantity of LED load, reached the self-adjusting purpose of street lamp brightness.
Embodiment
1) LED load design
Suppose that light-electricity complementary LED street lamp post height is 8m, the about 25lm of illumination luminous flux selects the LED lamp of 1W, 3.3V, 350mA to form the two-way street lamp, and each road 14 string 2 also is total to 28W, and two-way is 56W.If street lamp on average threw light on 10 hours every day, front 5 hours of LED street lamp is entirely bright, and brightness in rear 5 hours reduces by half, and namely battery consumption reduces half.Required actual drive current is 350mA * 2 * 2=1.4A, and calculate with 10h every day, and obtaining the required ampere-hour number of load is 1.4A * 5h+1.4A * 0.5 * 5h=10.5Ah, and voltage is 3.3V * 14=46.2V.
2) solar cell, storage battery selects
Native system adopts valve-regulated hermetic type lead-acid battery (48V/40Ah).Overcharge of a battery, overdischarge and battery environment temperature etc. are all the key factors that affects the life of storage battery, so want emphasis to take safeguard measure.Solar cell is selected 4 36V/50W monocrystal solar panels, amounts to 200W, and every group of two series voltages are 72v.
3) controller selects and principle
System selects the controller take the AT89C52 single-chip microcomputer as core, this single-chip microcomputer is low cost, low-voltage, low-power consumption, easily expand, high performance 8 single-chip microcomputers, and single-chip microcomputer includes can be the repeatedly erasable Flash read-only program memory of 8KB and the Random Access Data memory (RAM) of 256B.Device adopts high density, the nonvolatile storage technologies production of atmel corp, compatibility standard MCS-51 command system, and 8 central processing units of single-chip microcomputer built-in general-purpose and Flash memory cell, the master-plan block diagram is as shown in Figure 1.
4) design of voltage sample module
In native system, the voltage of required sampling is mainly the port voltage of storage battery and the port voltage of solar cell.Native system is selected the ADC0809A/D conversion chip, and ADC0809 is the cmos component with the control logic of 8 A/D converters, No. 8 variable connectors and microprocessor compatibility.It is successive approximation type a/d converter, and ADC0809 inside can directly be connected with the AT89C52 single-chip microcomputer with output latch.
5) system clock module
Native system can be adjusted according to the variation in season and variation round the clock the working condition of load, due to the DS12C887 clock chip can automatically produce century/Year/Month/Day/time/minute/second equal time information, with 128 byte RAM, wherein there are 11 byte RAM to be used for information memory time, the control information that 4 byte RAM are used for storing DS12C887, be called control register, the 113 general RAM of byte are for the user; The user also can programme to realize multiple square wave output to DS12C887 in addition, and can interrupt shielding by software to three tunnel of its inside, so native system adopts the DS12C887 clock chip.
6) time is judged subprogram
The impact that is subject to seasonal variations due to the hours of daylight is larger, and at first system judges the time in season according to clock chip, thereby carries out the setting of loaded work piece pattern, and program as shown in Figure 2.
7) charge and discharge system
Charging circuit is used for regulating charging current and voltage, makes solar panel stably to charge in batteries.Due to the solar radiant energy difference that change at each period solar panel every day, make electric current and the voltage of solar cell output different, this just need to control by the charging circuit of necessity.This circuit is exactly voltage-type pulse-width modulation (PWM) control circuit of realizing with TL494, when single-chip microcomputer during to the high level of 4 pin of TL494, whether increase to 100%, TL494 and do not work the deadline of TL494, so just can just determine by the level of 4 pin inputs to charge in batteries.
During system works, detect in real time the output voltage of solar panel, the voltage of storage battery, and according to the different situations of each magnitude of voltage, to charge in batteries whether to control solar cell, and according to street lamp time control or the light-operated mode set, control the LED street lamp and whether light, and the reasonable switching of supply power mode between storage battery and civil power when lighting.In the course of the work, single-chip microcomputer can detect the voltage of solar cell and storage battery always, more than the output voltage of solar cell is higher than storage battery 2V, the electric weight of storage battery is not full simultaneously, 11 pin output low levels of single-chip microcomputer, chip TL494 starts working, by the M0S pipe to charge in batteries.After being full of, change floating charge state over to, the self discharge situation of storage battery is carried out the electric weight compensation.To the charging of storage battery, beginning is maximum current constant current charge state.When the voltage of storage battery reaches certain value, charging is in the constant voltage charge state, the charging current continuous decrease, the voltage that drops to certain value and storage battery when electric current rises to certain value left and right when constant, the electric weight of storage battery has reached 100% of rated capacity, circuit enters the floating charge stage, and the float charge voltage that provides to battery has been offset the self discharge of storage battery.When storage battery reaches the pressure point that overcharges, 11 pin output high level of single-chip microcomputer, chip TL494 power cut-off, charge in batteries finishes.
By the operating state that coordinate control load and the supply power mode of single-chip microcomputer with load driving circuits.System judges whether it is darkness by the voltage that detects solar panel, then judge the time, be written into and carry out accumulator terminal mouth voltage detecting corresponding season after parameter, carrying out storage battery charge state calculates again, enter corresponding mode of operation according to load condition, thereby guarantee that storage battery can overdischarge.The charge and discharge programming as shown in Figure 3.
Claims (9)
1. a multimode complementary power supply roadway lighting system automatically, it is characterized in that: this illuminator comprises storage battery, the LED load, solar panel, charging circuit module, single-chip microcomputer, civil power supplementary circuitry module, battery tension sampling module and the load end electromagnetic relay that is used for controlling LED load break-make, described storage battery respectively with the LED load, charging circuit module and battery tension sampling module are connected, solar panel is connected with charging circuit module, charging circuit module, battery tension sampling module and load end electromagnetic relay are connected with single-chip microcomputer respectively, civil power supplementary circuitry module comprises the feeder ear electromagnetic relay, the feeder ear electromagnetic relay is connected with LED load and single-chip microcomputer respectively, line is connected with the LED load by the feeder ear electromagnetic relay.
2. the automatic complementary power supply roadway lighting system of a kind of multimode according to claim 1, it is characterized in that: described illuminator also comprises the solar cell panel voltages sampling module, one end of solar cell panel voltages sampling module is connected with charging circuit module, and the other end is connected with single-chip microcomputer.
3. the automatic complementary power supply roadway lighting system of a kind of multimode according to claim 2, it is characterized in that: described solar cell panel voltages sampling module and battery tension sampling module adopt the ADC0809A/D conversion chip.
4. the automatic complementary power supply roadway lighting system of a kind of multimode according to claim 1, it is characterized in that: described illuminator also comprises the system clock chip module that is connected with single-chip microcomputer.
5. the automatic complementary power supply roadway lighting system of a kind of multimode according to claim 4, it is characterized in that: described system clock chip module adopts the DS12C887 clock chip.
6. the automatic complementary power supply roadway lighting system of a kind of multimode according to claim 1, it is characterized in that: described illuminator also comprises the power converting circuit module, one end of power converting circuit module is connected with storage battery, and the other end is connected with the battery tension sampling module.
7. the automatic complementary power supply roadway lighting system of a kind of multimode according to claim 6, it is characterized in that: described power converting circuit module adopts the MC3046 chip.
8. the automatic complementary power supply roadway lighting system of a kind of multimode according to claim 1, it is characterized in that: described single-chip microcomputer is AT89C52.
9. the automatic complementary power supply roadway lighting system of a kind of multimode according to claim 1, it is characterized in that: described charging circuit module adopts the TL494 chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220601424XU CN202931635U (en) | 2012-11-14 | 2012-11-14 | Multimode automatic complementary power supply road lighting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220601424XU CN202931635U (en) | 2012-11-14 | 2012-11-14 | Multimode automatic complementary power supply road lighting system |
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| Publication Number | Publication Date |
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| CN202931635U true CN202931635U (en) | 2013-05-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201220601424XU Expired - Fee Related CN202931635U (en) | 2012-11-14 | 2012-11-14 | Multimode automatic complementary power supply road lighting system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104075225A (en) * | 2014-07-01 | 2014-10-01 | 国家电网公司 | Novel environment-friendly solar street lamp |
| CN104219820A (en) * | 2013-05-31 | 2014-12-17 | 深圳市海洋王照明工程有限公司 | LED (Light Emitting Diode) drive and control circuit |
| CN104219820B (en) * | 2013-05-31 | 2016-11-30 | 深圳市海洋王照明工程有限公司 | LED drives control circuit |
| CN109348576A (en) * | 2018-10-25 | 2019-02-15 | 广东洲明节能科技有限公司 | Lighting system, lighting control system and illumination control method |
-
2012
- 2012-11-14 CN CN201220601424XU patent/CN202931635U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104219820A (en) * | 2013-05-31 | 2014-12-17 | 深圳市海洋王照明工程有限公司 | LED (Light Emitting Diode) drive and control circuit |
| CN104219820B (en) * | 2013-05-31 | 2016-11-30 | 深圳市海洋王照明工程有限公司 | LED drives control circuit |
| CN104075225A (en) * | 2014-07-01 | 2014-10-01 | 国家电网公司 | Novel environment-friendly solar street lamp |
| CN109348576A (en) * | 2018-10-25 | 2019-02-15 | 广东洲明节能科技有限公司 | Lighting system, lighting control system and illumination control method |
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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 |
Granted publication date: 20130508 Termination date: 20161114 |
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| CF01 | Termination of patent right due to non-payment of annual fee |