CN204062816U - A kind of concentrated energy storage type solar LED street lamp system - Google Patents
A kind of concentrated energy storage type solar LED street lamp system Download PDFInfo
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- CN204062816U CN204062816U CN201420523760.6U CN201420523760U CN204062816U CN 204062816 U CN204062816 U CN 204062816U CN 201420523760 U CN201420523760 U CN 201420523760U CN 204062816 U CN204062816 U CN 204062816U
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- street lamp
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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
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Abstract
A kind of concentrated energy storage type solar LED street lamp system, comprise multiple solar panel, multiple LED street lamp, multiple solar panel is by the first DC line connection control device; Multiple LED street lamp is by the first DC line connection control device; Controller connects multiple lead-acid batteries by the second DC line.The utility model one concentrates energy storage type solar LED street lamp system, on the basis not increasing total design cost, carries out concentrated energy storage to solar LED street lamp segmentation, and adopts Centralized Controller to this section of system, realizes energy reasonable distribution.Both be conducive to reducing lead-acid batteries and changed difficulty, convenient construction, puies forward again high-octane utilization rate.
Description
Technical field
The utility model one concentrates energy storage type solar LED street lamp system, relates to photovoltaic application.
Background technology
Solar energy is safe and reliable, convenient, flexible renewable and clean energy resource, the application scale of solar-photovoltaic technology and scope in rapid expansion, application and extensively in space, traffic, illumination, communication.Solar LED street lamp is that a kind of solar energy that utilizes is as the lamp of the energy, just can install on the spot as long as sunny, public electric wire net need not be connected at a distance, very convenient, starting large-scale popularization, is that current solar photovoltaic technology applies one of maximum field.Solar street light is formed primarily of a few part of solar module part (comprising support), LED lamp holder, controller, lead-acid batteries and lamp stand.The operation principle of solar LED street lamp be daytime solar street light under control of the controller, solar panel is through the irradiation of sunshine, absorb sunshine and convert electric energy to, daytime, photovoltaic module charged to lead-acid batteries, lead-acid batteries supplied electrical power to LED and powered evening, realized illumination functions.Controller guarantees that lead-acid batteries not to be put and not damaged because overcharging or crossing, and possesses light-operated, time control, temperature-compensating and the function such as lightning protection, reverse polarity protection simultaneously.
Solar LED street lamp is the integrated art work of the technology such as optical, electrical, the Mechanical course of collection, to coordinate with the environment facies of surrounding are unified, consider its good looking appearance, rational in infrastructure, also appropriately to determine the capacity of solar module, lead-acid batteries and the size of bearing power simultaneously, reliably work with guarantee system, reach best economic benefit.At present, what existing solar LED street lamp adopted is single lamp independence energy storage for power supply pattern, and namely each street lamp is equipped with one group of lead-acid accumulator respectively and carries out energy storage for power supply.In fact, in solar LED street lamp system, the life-span of photovoltaic cell component is about 20 years, and the average life span of LED lamp holder can reach 10 years, and lead-acid batteries generally only has the life-span of 2-3 actual life, the life-span of lead-acid batteries is compared other parts of system and wants short many.
Solar LED street lamp is in installation process, the width that the distance between lamp stand is gone the same way is relevant with factors such as geographical position, is roughly set to about 30 meters, and current road solar LED street lamp system adopts single lamp independence energy storage for power supply pattern.Lead-acid batteries is generally taked to be placed in street lamp underground nearby because of the reason such as volume, weight, then uses wire external controller.Road lamp system just needs under lamp stand, dig block cement water-proof groove every about 30 meters and is used for specially settling lead-acid batteries, because lead-acid batteries often needs to safeguard, life-span is relatively short, and be embedded in the special mounting form of underground, cause considerable influence all to the basic maintenance of solar LED street lamp and trouble hunting, thus add maintenance cost.
For above problem, the utility model proposes and use solar LED street lamp system to concentrate energy storage for power supply pattern to carry out the solution of alternative single lamp independence energy storage for power supply pattern.Mainly below how concentrated energy storage for power supply pattern is implemented to urban street solar LED street lamp system briefly explain: the length of urban street main roads is generally 8-12km, distance between lamp stand is roughly at about 30 meters, and therefore main roads roughly have the street lamp of 533-800 small cup.
If these street lamp energy storage devices---lead-acid batteries all carries out concentrated energy storage, then the required capacity of energy storing lead acid storage battery group of concentrating is very large.
In actual solar LED street lamp product design, for guaranteeing the reliability of energy storage and power supply, generally needed for every solar LED street lamp, the capacity of energy-storage travelling wave tube is 12V, 38-150AH.Lead-acid accumulator set product is all produced in batches by certain nominal capacity, in solar LED street lamp system, the specification of conventional valve controlled sealed lead-acid accumulator capacity is 12V, 100AH, and load voltage is generally 24V, so for adopting the lead-acid accumulator series connection usually using two 12V, 100AH during single lamp independence energy storage for power supply pattern to use powering load.The battery that different manufacturers is produced is different in appearance design and size, but size difference is little, for " Ao Teduo " valve-regulated sealed lead-acid battery, for 12V, 100AH model battery its be of a size of 335*172*214mm.
When determining the solar LED street lamp quantity of concentrated energy storage, need to consider following factor.The first, the number in parallel of lead-acid batteries.Participate in concentrating the solar LED street lamp quantity of energy storage more, the capacity of required energy storing lead acid storage battery group is larger, and the number in parallel of lead-acid batteries is unsuitable too many, is the impact caused to reduce the imbalance between lead-acid batteries as far as possible.The second, transmission distance.Solar LED street lamp system operating conditions is low-voltage DC, in addition LED light source efficient energy-saving, and supply current is little, and adopt common power transmission line just reliably can realize energy transferring, circuit cost is lower, is conducive to the concentrated energy design of solar LED street lamp.But when transmission distance is excessive, the transmission cost for the electric power storage circuit of concentrated energy design is can not be uncared-for, therefore the solar LED street lamp of wide apart should not be carried out concentrated energy storage.3rd, battery installing space.When carrying out concentrating design to lead-acid accumulator, the convenience in order to I&M can build battery room to lay battery thus to replace battery to be embedded in the mode of underground.Limit by geographical environment, the volume of battery room is unsuitable excessive.
Summary of the invention
The utility model provides a kind of and concentrates energy storage type solar LED street lamp system, on the basis not increasing total design cost, carries out concentrated energy storage to solar LED street lamp segmentation, and adopts Centralized Controller to this section of system, realizes energy reasonable distribution.Both be conducive to reducing lead-acid batteries and changed difficulty, convenient construction, puies forward again high-octane utilization rate.
The technical scheme that the utility model is taked is: a kind of concentrated energy storage type solar LED street lamp system, and comprise multiple solar panel, multiple LED street lamp, multiple solar panel is by the first DC line connection control device; Multiple LED street lamp is by the first DC line connection control device; Controller connects multiple lead-acid batteries by the second DC line.
Multiple solar panel is connected in parallel controller.Multiple LED street lamp is connected in parallel controller, and each LED street lamp can work alone.
Described controller, multiple lead-acid batteries are arranged in battery room.
Lead-acid batteries by: 2 lead acid storage battery pool units are first connected, then 2 secondary battery units of series connection are got 4 groups and in parallelly to form, and a lead-acid batteries is for 8 LED street lamp 4 energy storage for power supplies.
A secondary battery unit is the lead-acid accumulator of 12V, 200AH.
Each LED street lamp is connected and composed by multiple light emitting diode.
The utility model one concentrates energy storage type solar LED street lamp system, and technique effect is as follows:
1), controller be used for solar panel, lead-acid batteries and LED are controlled, be arranged near lead-acid batteries, energy distribution can be carried out to LED.
2), LED is load in solar LED street lamp system, and for the system of concentrated energy storage, LED is wherein connected in controller two ends in parallel, and can carry out independent illumination, energy harvesting is distributed by controller.
3), implement LED street lamp segmentation and concentrate energy storage, and distributed unitedly by the energy of Integrated Controller to LED, by detecting the total storage electricity of battery, that determines street lamp opens quantity.When lead-acid batteries energy storage is insufficient, the closed illumination of this section of street lamp intermittent can be controlled, although reduce illumination intensity, but still certain lighting demand can be met, therefore improve the lighting hours of street lamp.
4), owing to adopting concentrated energy storage, what greatly reduce is installed on the workload changing energy storage device, improves efficiency of construction, can reduce installation cost.
Accompanying drawing explanation
Fig. 1 is the utility model system connection diagram.
Fig. 2 is the utility model system, control circuit figure.
Detailed description of the invention
As shown in Figure 1, a kind of concentrated energy storage type solar LED street lamp system, comprises multiple solar panel 1, multiple LED street lamp 4, and multiple solar panel 1 is by the first DC line 5 connection control device 2; Multiple LED street lamp 4 is by the first DC line 5 connection control device 2; Controller 2 connects multiple lead-acid batteries 3 by the second DC line 6.Because lead-acid batteries 3 has the function of discharge and recharge, the second DC line 6 therefore between it and controller 2 has the ability of two-way admittance, and line current flows to relevant with the duty of lead-acid batteries 3.
Multiple solar panel 1 is connected in parallel controller 2.Multiple LED street lamp 4 is connected in parallel controller 2, and each LED street lamp 4 can work alone, thus wherein any LED street lamp 4 breaks down, and can not affect the work of other street lamps.Described controller 2, multiple lead-acid batteries 3 are arranged in battery room 5.
The utility model one concentrates energy storage type solar LED street lamp system, by setting controller 2, according to the duty detecting solar panel 1, control the discharge and recharge of multiple lead-acid batteries 3, and according to monitoring the voltage swing of multiple lead-acid batteries 3, judge the number of its stored energy, binding time initialization system carrys out the on off operating mode of control load LED street lamp 4, and the break-make quantity of LED street lamp 4.Whole process carries out Based Intelligent Control, without the need to manual intervention by controller 2 completely.
When having sunlight daytime, solar panel 1, converts solar energy to electric energy, is stored into lead-acid batteries 3 li by controller 2.When night without sunlight time, multiple lead-acid batteries 3 by controller 2 by energy distribution to LED street lamp 4, for its illumination.The switch of controller 2 to multiple LED street lamp 4 carries out T/A controls.
First, in time, this can regulate according to spring, summer, autumn and winter Various Seasonal.Season in spring and autumn: controller 2 early 6 LED group is turned off the light, evening 6 turns on light.Summer: controller early 5 LED street lamp 4 is turned off the light, evening 7 turns on light.Winter: controller early 7 LED street lamp 4 is turned off the light, evening 5 turns on light.Then, quantitatively, when multiple lead-acid batteries 3 electricity is not very sufficient, its remaining electricity is calculated by the voltage detecting multiple lead-acid batteries 3, thus determine the group number that normally can work for solar LED street lamp, interval at this time can be selected to light and extinguish street lamp mode to increase lighting hours.Controller 2 is mainly used to the work coordinating solar panel 1, lead-acid batteries 3 and LED street lamp 4.Be used for protecting lead-acid batteries 3 comprising solar energy charge and discharge point control function; In addition maximum power tracing is implemented to solar panel 1, and ensure that photovoltaic cell sends galvanic stability; In addition, also possessing other basic functions has light source control, time controling, LED to connect the control etc. of quantity.And need to carry out integrated to controller 2, make a controller 2 can the multiple solar panel of cooperation control 1 and multiple LED street lamp 4.
Be set to 24V in this case of LED street lamp 4 operating voltage, each LED street lamp 4 is made up of multiple light emitting diode.LED have environment friendly and pollution-free, little power consumption, light efficiency do, the life-span feature such as factory.
The electric energy that lead-acid batteries 3 is mainly used to solar panel 1 on daytime is changed stores with the form of chemical energy, chemical energy is converted to electric energy evening for LED street lamp 4 again.In order to reduce the numerous and diverse degree installed and change lead-acid batteries 3 and work, the LED street lamp of certain distance being carried out concentrated energy storage, in order to reduce wiring cost, selecting the centre position of this this Duan Lu to carry out installing concentratedly of multiple lead-acid batteries 3.
Embodiment:
Each the utility model one is concentrated in energy storage type solar LED street lamp system, and adopt the lead-acid accumulator of 12V, 200AH specification to carry out energy storage, the lead acid storage battery pool size of 12V, a 200AH specification is probably 522*240*218mm.When lead-acid batteries 3 capacity identical time, 12V, 200AH battery is less than cumulative volume shared by 12V, 100AH battery, and adopts large-capacity battery can reduce battery quantity in parallel.The also joint group number of battery is generally no more than 4 groups, therefore in the utility model, by 2 12V, the lead-acid accumulator of 200AH is together in series, to meet the requirement that load input voltage is 24V, again the lead-acid accumulator be together in series is got 4 groups to be together in parallel, form a lead-acid batteries 3, supply the energy storage for power supply of 8 LED street lamp together.Always there are 144 LED street lamp 4.Parallel connection can make lead-acid batteries for subsequent use each other at work, increases the power supply reliability of solar LED street lamp.In addition, in order to the total distance of less transmission of electricity, select battery room 5 to be arranged on the centre position participating in the solar street light concentrating energy storage.Weigh above factor, in the utility model, each battery room 5 allows to lay the lead-acid accumulator being no more than 144 12V, 200AH, that is: 18 groups of lead-acid batteries 3.Therefore the long main roads for 8-12km, road both sides need to build the battery room 5 that 2-3 volume is 3.2*2*2m respectively.Leave certain interval in the middle of when battery room 5 considers that battery is laid, and reserved part volume lays other corollary equipments.
Operation principle:
Switching element T i inside each streetlight unit and Si, diode VDi and VD ' i, fuse BX, and the temperature arranged near controller, photosensitive and voltage sensor measure the auxiliary circuit of the common composition control device 2 of testing circuit.The auxiliary circuit of controller 2 meets following functions: 1), by voltage sensor monitor accumulator battery voltage u; 2), by light sensor measure intensity of illumination r, assist the duty judging solar panel 1 and LED street lamp 4 in streetlight unit.3), by temperature sensor measure real time temperature t, realize temperature compensation function.This controller 2 acp chip adopts DSP28335, is multi-input multi-output controller, can the discharge and recharge of the simultaneously multiple lead-acid batteries 3 of parallel control, realizes the reasonable distribution of its energy.According to designing requirement of the present utility model, this controller 2 is designed to the control that at least can realize 18 batteries.
The workflow of controller 2 and auxiliary circuit thereof as shown in Figure 2.PVi(i=1,2 ..., n) be the solar panel of each street lamp; VDi(i=1,2 ..., n) be anti-reverse charging diode; VD ' i(i=1,2 ..., n) be anti-reverse diode; Ti(i=1,2 ..., n) be control the switch of charge circuit, Si(i=1,2 ..., n) be control battery discharging switch; BX is fuse; The terminal voltage u of detection control circuit supervision battery, with the folding of control Ti and Si; The battery that what battery represented is set by whole battery room 5 li, according to 2 strings 4 and form carry out combining rear arrangement; Li is LED.
Controller 2 is the size variation processes utilizing the switching element T i be connected in parallel in charge in batteries loop to control charging current i.The terminal voltage u of controller 2 testing circuit monitoring battery; when charging voltage exceed battery setting be full of off voltage time; controller 2 control Ti according to (T1, T9, T17 ...) → (T2, T10, T18 ...) →...→ (T8, T16, T24 ...) order divide 8 groups of shutdown switch Ti gradually; realize the charging voltage u to every group storage battery and current i adjustment; the form of this continuous adjustment; electric parameter can be avoided to suddenly change, be conducive to the protection of equipment.The protective effect preventing overcharge of a battery is served by gauge tap Ti.
Si(i=1,2 ..., n) be battery discharging gauge tap, when detection control circuit is by monitoring the voltage u of battery, when the continued power time determining battery is lower than required power-on time, gauge tap S2, S4, S6, S8 ... turn off; And switch S 1, S3, S5, S7 ... keep connecting, for LED street lamp 4 is powered, provide illumination.When over voltage lower than battery of the supply voltage of battery, controller continues gauge tap Si, make remaining S1, S3, S5, S7 ... also turn off.Thus, by gauge tap Si, the Cross prevention to battery can be played, and realize the distribution of energy with Discrete control form, lighting hours can be increased as much as possible again.
VD ' i(i=1 in circuit, 2 ..., n) for battery connects anti-diode of protecting; when a certain accumulator polarity connects inverse time, corresponding VD ' i conducting, battery will pass through VD ' i short circuit dischange; the fuse BX of corresponding unit will be shorted current fusing, play the reverse connecting protection effect of electricity storage preventing pond.
Claims (7)
1. a concentrated energy storage type solar LED street lamp system, comprise multiple solar panel (1), multiple LED street lamp (4), it is characterized in that, multiple solar panel (1) is by the first DC line (5) connection control device (2); Multiple LED street lamp (4) is by the first DC line (5) connection control device (2); Controller (2) connects multiple lead-acid batteries (3) by the second DC line (6).
2. one concentrates energy storage type solar LED street lamp system according to claim 1, and it is characterized in that, multiple solar panel (1) is connected in parallel controller (2).
3. one concentrates energy storage type solar LED street lamp system according to claim 1, and it is characterized in that, multiple LED street lamp (4) is connected in parallel controller (2), and each LED street lamp (4) can work alone.
4. one concentrates energy storage type solar LED street lamp system according to claim 1, and it is characterized in that, described controller (2), multiple lead-acid batteries (3) are arranged in battery room (5).
5. one concentrates energy storage type solar LED street lamp system according to claim 1, it is characterized in that, lead-acid batteries (3) by: 2 lead acid storage battery pool units are first connected, 2 secondary battery units of series connection are got 4 groups of formations in parallel again, a lead-acid batteries (3) is for 8 LED street lamp (4) energy storage for power supplies.
6. one concentrates energy storage type solar LED street lamp system according to claim 5, and it is characterized in that, a secondary battery unit is the lead-acid accumulator of 12V, 200AH.
7. a kind of concentrated energy storage type solar LED street lamp system according to claim 1 or 3 or 5, it is characterized in that, each LED street lamp (4) is connected and composed by multiple light emitting diode.
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| CN201420523760.6U CN204062816U (en) | 2014-09-12 | 2014-09-12 | A kind of concentrated energy storage type solar LED street lamp system |
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| CN201420523760.6U CN204062816U (en) | 2014-09-12 | 2014-09-12 | A kind of concentrated energy storage type solar LED street lamp system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105387418A (en) * | 2015-12-17 | 2016-03-09 | 长乐致远技术开发有限公司 | Solar streetlamp |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105387418A (en) * | 2015-12-17 | 2016-03-09 | 长乐致远技术开发有限公司 | Solar streetlamp |
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| Date | Code | Title | Description |
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| 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: 20141231 Termination date: 20150912 |
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| EXPY | Termination of patent right or utility model |