CN201336754Y - Intelligent controller of wind-solar hybrid street lamp capable of self-adaption - Google Patents
Intelligent controller of wind-solar hybrid street lamp capable of self-adaption Download PDFInfo
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- CN201336754Y CN201336754Y CNU2008202393147U CN200820239314U CN201336754Y CN 201336754 Y CN201336754 Y CN 201336754Y CN U2008202393147 U CNU2008202393147 U CN U2008202393147U CN 200820239314 U CN200820239314 U CN 200820239314U CN 201336754 Y CN201336754 Y CN 201336754Y
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- wind
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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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Abstract
The utility model relates to an intelligent controller of a wind-solar hybrid street lamp capable of self-adaption, which is characterized by comprising a control center, a negative feedback PWM controller with feedforward performance, a user-mode input interface and a status indication interface. A charge-discharge control mode and a control parameter are ensured by respectively measuring the voltage and electric current filtered by an aerogenerator, the voltage and electric current of a solar panel and the voltage and electric current of a storage battery port; the voltage transformation and charging efficiency are controlled by the PWM signal. The utility model is capable of self adjusting according to the wind-force and the power of the solar energy, so that the complementation effect of the wind energy and the solar energy reaches the best, thus ensuring the actual charging effect.
Description
Technical field
The utility model is a kind of wind light complementary road lamp intelligent controller with adaptive adjustment capability, belongs to street lamp; Relate to renewable energy utilization and street lighting technical field, particularly wind energy, solar energy utilize the technical field of Based Intelligent Control.The utility model can be used for fields such as street illumination, highway illumination and town and country illumination.
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.What widely use at present mainly is the common street lamp and the solar street light of mains-supplied.
For the common street lamp that adopts mains-supplied, not only because its power is big, lighting hours is long, causes power consumption quite big; And common street lamp needs ditching to bury cable power supply underground, just needs a powerful converting equipment at a certain distance, and not only construction cost improves, and has increased line loss.
Constantly perfect along with heliotechnics, cost reduces gradually, and the street lamp of some specific occasions has also adopted solar street light, is " solar powered illuminating street lamp " utility model patent of " 94206228 " as the patent No..But there is obvious defects in solar street light, and it 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 storage battery is rapid power shortage, caused the street lamp can't operate as normal.
Wind energy and luminous energy is natural to have complementarity, utilizes wind energy, luminous energy to generate electricity simultaneously and can remedy the defective of solar street light to street lamp power supply, road lamp power supply.Yet wind power generation has very big uncertainty, particularly instantaneous uncertainty, and this needs effective control method.And, much still be in concept status at present about the correlation technique of " wind and light complementary road lamp ".As Granted publication number is the utility model patent " wind and light complementary road lamp " of " CN2921572Y ", has just proposed a kind of street lamp framework of being made up of wind-driven generator, solar panel, charge controller of wind turbine generator, solar panel charge controller and storage battery, low-pressure sodium lamp.There are two problems usually in wind and light complementary road lamp at present: 1. adopt different controllers respectively solar energy and wind energy to be controlled, make wind energy and solar energy complementary effect be difficult to reach optimum; 2. not enough to the uncertain consideration of the resource of wind energy, solar energy, its actual charging effect is difficult to ensure.
The utility model content
The utility model is for avoiding above-mentioned existing in prior technology weak point, a kind of wind light complementary road lamp intelligent controller with adaptive adjustment capability is provided, regulate according to wind-force size and solar power self adaptation, make the complementary effect of wind energy and solar energy reach optimum, and guarantee actual charging effect.
The utility model technical solution problem adopts following technical scheme:
The design feature that the utlity model has the wind light complementary road lamp intelligent controller of adaptive adjustment capability is to be provided with:
One control centre is by detecting electric current and voltage, the electric current and voltage of solar panels, the storage battery port voltage electric current behind the wind-driven generator rectifying and wave-filtering respectively, to determine to discharge and recharge control model and Control Parameter;
The negative feedback PWM controller of one band feedforward is by the voltage conversion and the charge efficiency of pwm signal control charging circuit;
One user model input interface and state indication interface.
The design feature that the utlity model has the wind light complementary road lamp intelligent controller of adaptive adjustment capability also is:
The input voltage Vi of described charging circuit is direct current signal or solar panels the direct current signal through anti-reverse conducting after of wind energy three-phase input through obtaining after the rectification, and described input voltage Vi is through second-order low-pass filter Z
1(s) insert afterwards by proportional controller F (S), proportional controller K
1(s), gamma controller G (S), with movement controller G
Vd(s) the negative feedback pwm control circuit of Zu Chenging; With the output voltage of charging circuit as storage battery port charging voltage.
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.
Described control centre is provided with the start and stop functional switch controller of wind-driven generator and solar panels, whether is in the safety zone according to battery tension electric current of being sampled and current wind power generation and opens or the off switch controller.
Compared with the prior art, the utility model beneficial effect is embodied in:
1, the utility model is a kind of independent road lamp system that integrates generating, accumulate, electricity consumption, need not ditching and buries cable underground, do not destroy the road surface, utilizes regenerative resource, does not consume conventional energy resource, has really played the effect of energy-saving and environmental protection;
2, the utility model utilizes the complementarity of wind power generation and solar power generation, adopt the negative feedback PWM control mode of band feedforward, have the ability of regulating, the charge efficiency height according to the resources supplIes self adaptation, can remedy the shortcoming of single solar street light generation deficiency, effectively prolong the street lamp operating time;
3, the utility model is provided with the start and stop functional switch controller of wind-driven generator and solar panels in control centre, as a kind of defencive function, be used to protect controller and storage battery, comprising: dangerous in external condition, as typhoon weather, close blower fan automatically with protection system; When being full of, storage battery closes the solar energy input automatically, with the protection storage battery.
Description of drawings
Fig. 1 is the utility model structural representation.
Fig. 2 is the utility model control circuit schematic diagram.
Fig. 3 is the utility model charge mode block diagram.
Number in the figure: 1 wind-driven generator; 2 solar panels; 3 is the LED street lamp; 4 lamp stands; 5 control cabinets; 6 batteries; 7 concrete pedestals, Vi are input signal; Vref is a reference voltage; Vo is the charging voltage of storage battery port; Z
1(s), Z
2(s) be second-order low-pass filter; F (S) is a proportional controller; K
1(s) be proportional controller; K
2(s) be on-off controller; G (S) is the PWM controller; G
Vd(s) be with movement controller.
Below by embodiment, the utility model is described in further detail in conjunction with the accompanying drawings.
Embodiment
Referring to Fig. 1, the present embodiment street lamp is made up of wind-driven generator 1, solar panels 2, LED street lamp 3, lamp stand 4, control cabinet 5, batteries 6 and concrete pedestal 7.Lamp stand adopts integrated design, and wind-driven generator 1 is positioned at the top of lamp stand 4, and solar panels can 360 ° of rotations, with guarantee towards Due South to; LED street lamp 3 is fixed on the lamp stand 4; Control cabinet 5 and batteries 6 place in the storage space of lamp stand bottom; Concrete pedestal 7 between lamp stand bottom and the road surface is used to prevent that rainwater from pouring in down a chimney.Wind-driven generator 1 and solar panels 2 are directly connected in the control cabinet 5, utilize reproducible wind energy and solar power generation respectively, by controller with the electrical power storage that produced in batteries 6; The controller monitoring circuit state is responsible for the charge mode control of batteries 6,
Referring to Fig. 2, batteries 6 links to each other with the LED street lamp by controller, the user model that controller is imported according to toggle switch, the mode of operation of control LED street lamp, and indicating circuit operating state.
In the present embodiment, the control centre of controller is a core with microprocessor Atmega8, has constituted charge management module with testing circuit, mode control circuit, charging circuit and batteries.The signal that controller detects comprises that the wind-driven generator input is through the voltage and current signal behind the rectifying and wave-filtering, the solar power generation voltage and current signal behind unidirectional turning circuit and the voltage and current signal of storage battery port; According to the signal that is detected charge mode is controlled.
Referring to Fig. 3, in the present embodiment, the charging circuit module is set, according to detected signal condition in the circuit, by being with adaptive regulation voltage conversion proportion of degenerative pwm control circuit and charging current size, to improve charge efficiency.With direct current signal or solar panels the direct current signal through anti-reverse conducting after of wind energy three-phase input through obtaining after the rectification is input voltage Vi, and input voltage Vi is at first through a second-order low-pass filter Z
1(s) disturb to weaken High-frequency Interference and ripple.By F (S), K
1(s), Z
21(S), G (S), G
Vd(s) closed loop of Zu Chenging is a negative feedback pwm control circuit; Wherein, F (S) is a proportional controller, is the forward direction conversion proportion of charging circuit; K
1(s) be proportional controller, the signal that control centre collected is through K
1(s) regulating the back compares with reference voltage Vref; G (S) refers to the PWM controller, and this is a nonlinear controller, can realize with current mode PWM controller TL3845; G
Vd(s) be the servo-actuated transfer function of pwm signal, can realize by the push-pull output circuit that two PNP, NPN triode are formed.Z
2(s) and Z
1(s) function is identical, is second-order low-pass filter.Second-order low-pass filter in the present embodiment, proportional controller, TL3845, push-pull output circuit, on-off controller all can adopt the custom circuit of electronic applications to realize.
As Fig. 2, shown in Figure 3, control centre also provides wind-driven generator start and stop, solar energy start and stop controlled function, on-off controller K promptly shown in Figure 3 except charge and discharge mode is managed and protects
2(s).Whether control centre determines whether opening or closing K according to the battery tension current status of being sampled and current wind power generation in the safety zone
2(s), thus start and stop outside resources input.
Claims (4)
1, the wind light complementary road lamp intelligent controller that has adaptive adjustment capability is characterized in that being provided with:
One control centre is by detecting electric current and voltage, the electric current and voltage of solar panels, the storage battery port voltage electric current behind the wind-driven generator rectifying and wave-filtering respectively, to determine to discharge and recharge control model and Control Parameter;
The negative feedback PWM controller of one band feedforward is by the voltage conversion and the charge efficiency of pwm signal control charging circuit;
One user model input interface and state indication interface.
2, the wind light complementary road lamp intelligent controller with adaptive adjustment capability according to claim 1, the input voltage Vi that it is characterized in that described charging circuit is direct current signal or solar panels the direct current signal through anti-reverse conducting after of wind energy three-phase input through obtaining after the rectification, and described input voltage Vi is through second-order low-pass filter Z
1(s) insert afterwards by proportional controller F (S), proportional controller K
1(s), gamma controller G (S), with movement controller G
Vd(s) the negative feedback pwm control circuit of Zu Chenging; With the output voltage of charging circuit as storage battery port charging voltage.
3, the wind light complementary road lamp intelligent controller with adaptive adjustment capability according to claim 1 is characterized in that being provided with toggle switch, is used to read in the control model that the user selects, and the bright lamp pattern of control LED street lamp.
4, the wind light complementary road lamp intelligent controller with adaptive adjustment capability according to claim 1, it is characterized in that described control centre is provided with the start and stop functional switch controller of wind-driven generator and solar panels, whether be in the safety zone according to battery tension electric current of being sampled and current wind power generation and open or the off switch controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202393147U CN201336754Y (en) | 2008-12-29 | 2008-12-29 | Intelligent controller of wind-solar hybrid street lamp capable of self-adaption |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202393147U CN201336754Y (en) | 2008-12-29 | 2008-12-29 | Intelligent controller of wind-solar hybrid street lamp capable of self-adaption |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201336754Y true CN201336754Y (en) | 2009-10-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008202393147U Expired - Fee Related CN201336754Y (en) | 2008-12-29 | 2008-12-29 | Intelligent controller of wind-solar hybrid street lamp capable of self-adaption |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101917030A (en) * | 2010-07-12 | 2010-12-15 | 何峰 | Solar energy charge-discharge parameter setting system |
| CN102185384A (en) * | 2011-05-23 | 2011-09-14 | 怀化建南电子科技有限公司 | Intelligent controller of wind and light supplementary power generation system |
-
2008
- 2008-12-29 CN CNU2008202393147U patent/CN201336754Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101917030A (en) * | 2010-07-12 | 2010-12-15 | 何峰 | Solar energy charge-discharge parameter setting system |
| CN101917030B (en) * | 2010-07-12 | 2012-08-22 | 何峰 | Solar energy charge-discharge parameter setting system |
| CN102185384A (en) * | 2011-05-23 | 2011-09-14 | 怀化建南电子科技有限公司 | Intelligent controller of wind and light supplementary power generation system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091028 Termination date: 20121229 |