CN101571256A - Intelligent street lamp with comprehensive utilization of various energy sources - Google Patents

Abstract

The invention discloses an intelligent street lamp with comprehensive utilization of various energy sources. A system structure comprises an aerogenerator arranged on the top of a lamppost of the street lamp and a solar panel, an LED street lamp is fixed on the lamppost, and a controller and a battery pack are placed in a storage space on the bottom of the lamppost of the street lamp. The intelligent street lamp is characterized in that output signals of the aerogenerator and the solar panel are connected to a wind-solar hybrid controller respectively, and the wind-solar hybrid controller determines a charging/discharging mode of storage batteries through the real-time detection of the output signals of the aerogenerator and the solar panel and the terminal voltage of the storage batteries; a commercial power charging circuit is connected to the storage batteries through a commercial power charger; and a switching controller is used to control an opening mode and the opening time of the commercial power charging circuit according to the terminal voltage of the storage batteries obtained by real-time detection and the current time.

Description

The intelligent road-lamp of various energy resources comprehensive utilization

Technical field

The present invention is the intelligent road-lamp of one kind of multiple comprehensive utilizations of energy, belong to illuminating street lamp, relate to renewable resource utilization and street lighting technical field, being particularly related to solar energy, wind energy, civil power is the technical field of the intelligence controlling device of the energy, and the comprehensive utilization various energy resources is to the optimum economic configuration of charge in batteries to reach energy-conservation and to throw light on.

Background technology

The energy is the important substance basis that human society is depended on for existence and development.Along with China's rapid growth of economy, energy demand significantly increases, and energy supply and demand is particularly thorny, and street lamp is large electricity consumer wherein, and total electric weight that street lamp is consumed every year accounts for more than three one-tenth of electric consumption on lighting.At present, street lamp on the market mainly contains: three kinds of the common street lamp of Alternating Current Power Supply, solar street light and wind and light complementary road lamps.

At present, most of street lamps are the common street lamp that adopts Alternating Current Power Supply.Common street lamp power is big, lighting hours is long, and power consumption is quite big.Along with heliotechnics is constantly perfect, cost reduces gradually, and solar street light has been adopted in some specific occasions.But solar street light depends critically upon sunshine condition; When continuously overcast and rainy or sunshine in winter was not enough, solar panels can not be collected enough electric energy, and battery is rapid power shortage, caused the street lamp can't operate as normal.Wind and light complementary road lamp is emerging in recent years a kind of regenerative resource street lamp, number is the utility model patent " wind and light complementary road lamp " of " CN 2921572Y " as Granted publication.Wind and light complementary road lamp utilizes wind energy and solar electrical energy generation to charge in batteries, owing to the complementarity of honourable resource, has remedied the deficiency of single solar electrical energy generation to a certain extent.But on the one hand, the rated power of micro wind turbine generator is generally 12m/s at present, that is to say that the micro wind turbine generator power output is usually far below rated condition; On the other hand, the most of landlocked provinces of China, wind energy resources and solar energy resources are abundant, and wind energy resources and solar energy resources all have very big uncertainty.When wind speed was low, generated output was difficult to satisfy the demand of street lamp application, and the wind light mutual complementing pattern is difficult to drive the load of higher-wattage, as car lane two-burner lamp street lamp.In order to reach the required power of street lighting, the configuration of often having to strengthen solar panels and accumulator capacity, this can cause system cost sharply to rise.Both be like this, owing to be subjected to the restriction of Natural resources condition, the gross generation of wind energy and solar energy also often can't satisfy load request, at overcast and rainy or calm weather continuously, usually can discharged or defective battery, and cause the street lamp can't operate as normal.

In addition, in city street lamp reducing energy consumption engineering, because wind and light complementary road lamp has been abandoned the supply line and the supply network of existing street lamp fully, when the big generation contradiction of natural resources generation deficiency and street lamp electric power, in fact in a disguised form caused the waste of existing resource.

Summary of the invention

At the problems referred to above, the invention provides the intelligent road-lamp of one kind of multiple comprehensive utilizations of energy.In ABUNDANT NATUREAL RESOURSES, make full use of wind energy and solar energy to charge in batteries by the wind light mutual complementing controller; In the natural resources deficiency, select the mains-supplied minimum time period of cost, by line charger accumulator electric-quantity is replenished, ensure illuminating effect.By switch controller, according to the natural resources state of there and then, resource trace utilization cost and road lamp system state comprehensive utilization solar energy, wind energy and civil power battery is charged, realizes optimum economic configuration the in energy-conservation and the illumination.

Technical solution problem of the present invention adopts following technical scheme:

The formation of the intelligent road-lamp of various energy resources comprehensive utilization of the present invention comprises wind-driven generator and the solar panels that place the street lamp post top, and the LED street lamp is fixed on the lamp stand, places controller and batteries in the storage space of street lamp post bottom;

The design feature of system of the present invention is:

The output signal that wind-driven generator and solar panels are set is connected respectively to the wind light mutual complementing controller, the wind light mutual complementing controller passes through to detect wind-driven generator in real time through the output signal of rectifying and wave-filtering, the output signal of solar panels, and accumulator voltage is to determine the charging and discharging of accumulator pattern;

The access duct of commercial power charged circuit is set in storage space, and commercial power charged link tester is crossed line charger and is connected to battery; Between line charger and batteries, switch controller is set; With the pattern of opening and service time that real-time accumulator voltage that detects of switch controller basis and current time are controlled commercial power charged loop, setting only starts line charger battery is charged when following two conditions satisfy simultaneously:

A,, natural resources causes the accumulator electric-quantity deficiency because lacking;

B, minimum period of civil power electricity consumption cost;

Between described commercial power charged loop and wind light mutual complementing charge circuit, buffer circuit is set.

The design feature of the intelligent road-lamp of various energy resources comprehensive utilization of the present invention also is in the wind light mutual complementing controller toggle switch to be set, and is used to read in the control model that the user selects, and the bright lamp pattern of control LED street lamp.

Control centre and clock chip are set in switch controller, clock chip sends interrupt signal to control centre when the time period of setting every day arrives, battery condition detects in described control centre after receiving interrupt signal, when judging the needs charging according to detection, control end port output low level in control centre is connected commercial power charged loop with the output low level of described control end.

Compared with the prior art, beneficial effect of the present invention is embodied in:

1, apparatus of the present invention adopt in wind energy, solar energy and the civil power one or more that battery is charged simultaneously;

2, the charging of apparatus of the present invention source is selected to be controlled by switch controller, can battery be charged according to natural resources state, resource trace utilization cost and road lamp system state comprehensive utilization solar energy, wind energy and the civil power of there and then, reach optimum economic configuration energy-conservation, illumination;

3, for newly-started street lighting engineering, adopt technical scheme of the present invention, can fully utilize various energy resources battery is charged, guarantee the illuminating effect of street lamp, satisfy the requirement of different kinds of roads illumination, Landscape Lighting, and be not subjected to the restriction of natural resources.

4, for the reducing energy consumption of existing street lamp engineering, adopt technical scheme of the present invention, promptly can pass through renewable energy utilization, effectively energy-conservation; Can make full use of the existing circuit of existing street lamp engineering again, remedy the predicament of natural resources deficiency;

5, the present invention is simple in structure, structure is convenient, has very strong practicality and generalization.

6, the present invention is widely used in newly-started street illumination engineering, landscape engineering, also can be used for the reducing energy consumption of existing street lamp engineering.

Description of drawings

Fig. 1 is a lamp post structure schematic diagram of the present invention.

Fig. 2 is a schematic block circuit diagram of the present invention.

Fig. 3 is a wind light mutual complementing controller principle block diagram of the present invention.

Fig. 4 is switch controller circuit theory diagrams of the present invention.

Number in the figure: 1, wind-driven generator; 2, solar panels; 3, LED street lamp; 4, lamp stand; 5, dividing plate; 6, control cabinet; 7, batteries; 8, commercial power charged circuit access duct; 9, concrete pedestal.

Below by the specific embodiment, the invention will be further described in conjunction with the accompanying drawings.

The specific embodiment

Referring to Fig. 1, this implementation system formation comprises wind-driven generator 1 and the solar panels 2 that place street lamp post 4 tops, LED street lamp 3 is fixed on the lamp stand, and lamp stand adopts integrated setting, and solar panels can 360 ° of rotations, when street lamp is installed, need according to trend of road adjust solar panels towards, with true solar panels towards Due South to, finish after the installation, the solar panels fixed-site is no longer regulated; Place batteries 7 in the storage space of street lamp post bottom, and place controller 6 by dividing plate 5, in the storage space of street lamp post bottom commercial power charged circuit access duct 8 is set simultaneously, electric charging circuit is introduced thus, and concrete pedestal 9 is to be provided with for waterproof.

Referring to Fig. 2, the output signal that wind-driven generator and solar panels 2 are set is connected to the wind light mutual complementing controller, utilizes reproducible wind energy and solar electrical energy generation respectively, by the wind light mutual complementing controller with the electrical power storage that produced in batteries; The wind light mutual complementing controller passes through to detect wind-driven generator through the output signal of rectifying and wave-filtering, the output signal of solar panels, and accumulator voltage is determined the charge and discharge mode of batteries; Commercial power charged link tester is set to be crossed line charger and is connected to battery; Between line charger and batteries, switch controller is set; , be provided with and only when following two conditions satisfy simultaneously, start line charger battery is charged according to accumulator voltage and the pattern of opening and the service time of controlling commercial power charged loop current time approximately detected in per 3 minutes once with switch controller:

A,, natural resources causes the accumulator electric-quantity deficiency because lacking;

B, minimum period of civil power electricity consumption cost;

In concrete the enforcement, between commercial power charged loop and wind light mutual complementing charge circuit, buffer circuit is set, the wind light mutual complementing charge circuit is produced interference to prevent ripple and harmonic wave in the electricity network; Toggle switch is set, is used to read in the control model that the user selects, and the bright lamp pattern of control LED street lamp.

Shown in Figure 3, the input of wind light mutual complementing controller is the three-phase electricity signal that come by wind energy transformation and conversion of solar energy and the dc signal that comes, and the signal that the wind light mutual complementing controller detects comprises that the wind-driven generator input is through the voltage and current signal behind the rectifying and wave-filtering, the solar electrical energy generation voltage and current signal behind unidirectional turning circuit and the voltage and current signal of battery port; According to the signal that is detected charge mode is controlled; Simultaneously, battery links to each other with the LED street lamp by the wind light mutual complementing controller, the user model that the wind light mutual complementing controller is imported according to toggle switch, the mode of operation of control LED street lamp, and indicating circuit duty.

Referring to Fig. 4, Atmega8 of control centre and clock chip SD2003A are set in switch controller, clock chip sends interrupt signal to control centre when the time period of setting every day arrives, battery condition detects in control centre after receiving interrupt signal, when judging the needs charging according to detection, in the control end PB1 of control centre port output low level, connect commercial power charged loop with the output low level of control end.

Switch controller detects battery tension and current time parameter, whether enables commercial power charged loop according to the resource trace utilization cost decision of battery condition and different time sections.Shown in Figure 4, Vs is the charging voltage of line charger; Vc is a battery tension; Atmega8 is a control centre.Form ON-OFF control circuit by R1, R2, R3, R4, R5, Q1, Q2, D2, C1, whether connect line charger according to the level control of the PB1 mouth of Atmega8; When the PB1 of Atmega8 port output high level, hang up commercial power charged loop, when the PB1 of Atmega8 port output low level is to connect commercial power charged loop.SD2003A is a clock chip, and clock circuit sends an interrupt signal for the Atmega8 of control centre at 22:00 every night, checks the battery condition of this moment, with decision whether in PB1 mouth output low level.The battery tension sample circuit is made up of R7, R8, C5, D3, D4, and this is a voltage-dividing detection circuit, and the ADC mouth by Atmega8 detects.Only starting line charger when following two conditions satisfy simultaneously charges to battery: cause the accumulator electric-quantity deficiency because natural resources lacks 1.; 2. when in the deep of night, civil power electricity consumption cost is minimum.

Claims (3)

1, the intelligent road-lamp of various energy resources comprehensive utilization, system's formation comprises wind-driven generator (1) and the solar panels (2) that place street lamp post (4) top, LED street lamp (3) is fixed on the lamp stand, places controller (6) and batteries (7) in the storage space of street lamp post bottom, it is characterized in that:

The output signal that wind-driven generator (1) and solar panels (2) are set is connected respectively to the wind light mutual complementing controller, described wind light mutual complementing controller passes through to detect wind-driven generator in real time through the output signal of rectifying and wave-filtering, the output signal of solar panels, and accumulator voltage is to determine the charging and discharging of accumulator pattern;

Commercial power charged circuit access duct (8) is set in described storage space, and described commercial power charged link tester is crossed line charger and is connected to battery; Between described line charger and batteries, switch controller is set; With the pattern of opening and service time that real-time accumulator voltage that detects of described switch controller basis and current time are controlled commercial power charged loop, setting only starts line charger battery is charged when following two conditions satisfy simultaneously:

A,, natural resources causes the accumulator electric-quantity deficiency because lacking;

B, minimum period of civil power electricity consumption cost;

Between described commercial power charged loop and wind light mutual complementing charge circuit, buffer circuit is set.

2, the intelligent road-lamp of various energy resources comprehensive utilization according to claim 1 is characterized in that in described wind light mutual complementing controller toggle switch being set, and is used to read in the control model that the user selects, and the bright lamp pattern of control LED street lamp.

3, the intelligent road-lamp of various energy resources comprehensive utilization according to claim 1, it is characterized in that in described switch controller, being provided with control centre and clock chip, clock chip sends interrupt signal to control centre when the time period of setting every day arrives, battery condition detects in described control centre after receiving interrupt signal, when judging the needs charging according to detection, control end output low level in control centre is connected commercial power charged loop with the output low level of described control end.

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