CN103607031A - Wind-solar hybrid intelligent control system based on remote monitoring - Google Patents
Wind-solar hybrid intelligent control system based on remote monitoring Download PDFInfo
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- CN103607031A CN103607031A CN201310646938.6A CN201310646938A CN103607031A CN 103607031 A CN103607031 A CN 103607031A CN 201310646938 A CN201310646938 A CN 201310646938A CN 103607031 A CN103607031 A CN 103607031A
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/70—Smart grids as climate change mitigation technology in the energy generation sector
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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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/12—Monitoring or controlling equipment for energy generation units, e.g. distributed energy generation [DER] or load-side generation
- Y04S10/123—Monitoring or controlling equipment for energy generation units, e.g. distributed energy generation [DER] or load-side generation the energy generation units being or involving renewable energy sources
Abstract
The invention relates to the technical field of solar energy and wind energy and discloses a wind-solar hybrid intelligent control system based on remote monitoring. The system comprises a solar cell panel, a draught fan, a storage battery, a load, at least one first voltage converting circuit, a second voltage converting circuit, a charging control circuit and a main control module, wherein the at least one first voltage converting circuit is connected with the solar cell panel, the second voltage converting circuit is connected with the draught fan, the charging control circuit is connected with the output end of the first voltage converting circuit and the output end of the second voltage converting circuit, the charging control circuit is further connected with the storage battery and the load, the main control module is connected with the first voltage converting circuit, the second voltage converting circuit and the charging control circuit, and the main control module is used for adjusting the output power of the first voltage converting circuit or the second voltage converting circuit according to the change of the electric quantity of the storage battery or the load. The wind-solar hybrid intelligent control system based on remote monitoring can process voltages generated by solar energy and wind energy, charge the storage battery and provide power for the load, and therefore the service life of the storage battery and the service life of the load are prolonged.
Description
Technical field
The present invention relates to intelligence solar wind-energy technical field, more particularly, particularly a kind of wind-solar hybrid intelligent control system based on remote monitoring.
Background technology
New forms of energy are to come from directly or indirectly the energy that the sun or earth interior depths produce, new forms of energy are also clean energy resource, comprised the energy that solar energy, wind energy, biomass energy, geothermal energy, nuclear fusion energy, water energy and oceanic energy and the bio-fuel being derived by regenerative resource and hydrogen produce, with respect to traditional energy, new forms of energy generally have pollution less, feature that reserves are large, for solving serious problem of environmental pollution and the resource in the world today, as significant in the exhausted problem of fossil energy.Solar energy and wind energy, as the main energy sources in new forms of energy, have been subject to application widely.
Solar cell board main portion in the solar power generation of prior art is semi-conducting material, and it after light irradiates, photoelectric effect generation current occurs.Due to the unsteadiness of light, the electric current of its generation is also to have fluctuation; And the use of wind energy mainly adopts blower fan, and blower fan is owing to being subject to the impact of wind-force size, the electric current of its generation equally also has fluctuation, and, if the electric current that solar panel and blower fan are generated is directly filled with in storage battery or direct powering load, easily cause the damage of storage battery and load, seriously reduced their life-span; Can not utilize fully solar energy and wind energy.And solar energy, powered by wind energy equipment is only to power consumption equipment power supply, cannot allow user's remote monitoring.User can not understand the running status of equipment in real time, and the situation such as, solar panel fault few such as accumulator electric-quantity to tackle in advance, fan trouble, has affected the normal operation of power consumption equipment.
Summary of the invention
The object of the present invention is to provide a kind of wind-solar hybrid intelligent control system based on remote monitoring that improves storage battery and load useful life.
In order to achieve the above object, the technical solution used in the present invention is as follows:
A kind of wind-solar hybrid intelligent control system based on remote monitoring, comprise solar panel, blower fan, storage battery and load, this control system also comprises at least one first voltage conversion circuit being connected with solar panel, the second voltage change-over circuit being connected with blower fan, the charging control circuit being connected with the output of the first voltage conversion circuit and second voltage change-over circuit respectively, this charging control circuit is also connected with load with storage battery, and respectively with the first voltage conversion circuit, the main control module that second voltage change-over circuit is connected with charging control circuit, and described main control module is for regulating the power output of the first voltage conversion circuit or second voltage change-over circuit according to the electric weight of storage battery or load variations.
Preferably, described the first voltage conversion circuit comprises the first buck converter and the first efficient current control chip being connected with the first buck converter, and the output of described the first buck converter is connected with charging control circuit.
Preferably, described second voltage change-over circuit comprises rectification circuit, filter circuit and the second buck converter connecting successively, and the second efficient current control chip being connected with the second buck converter, and the output of described the second buck converter is connected with charging control circuit.
Preferably, also comprise protective circuit, described main control module is also connected with charging control circuit through protective circuit.
Preferably, also comprise the communication module and the data acquisition module that are connected with main control module, the monitor supervision platform being connected with communication module, and be connected with data acquisition module for detection of the charging and discharging currents of storage battery and the electric current of voltage and voltage detection module.
Compared with prior art, the invention has the advantages that: control system of the present invention can be processed the voltage of solar energy and wind energy generation, and charge a battery, give load (power consumption equipment) power supply simultaneously, and pass through remote monitoring function, consult the state of solar energy, wind energy, the state of the state of storage battery, control system etc., and can, according to actual situation, to control system, carry out Long-distance Control.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described.
Fig. 1 is the frame diagram that the present invention is based on the wind-solar hybrid intelligent control system of remote monitoring.
Fig. 2 is the frame diagram that the present invention is based on the first voltage conversion circuit in the wind-solar hybrid intelligent control system of remote monitoring.
Fig. 3 is the frame diagram that the present invention is based on second voltage change-over circuit in the wind-solar hybrid intelligent control system of remote monitoring.
Fig. 4 is the circuit diagram that the present invention is based on the first voltage conversion circuit in the wind-solar hybrid intelligent control system of remote monitoring.
Fig. 5 is the circuit diagram that the present invention is based on second voltage change-over circuit in the wind-solar hybrid intelligent control system of remote monitoring.
Fig. 6 is the circuit diagram that the present invention is based on charging control circuit in the wind-solar hybrid intelligent control system of remote monitoring.
Fig. 7 is the circuit diagram that the present invention is based on main control module in the wind-solar hybrid intelligent control system of remote monitoring.
Fig. 8 is the circuit diagram that the present invention is based on electric current and voltage detection module in the wind-solar hybrid intelligent control system of remote monitoring.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
Consult shown in Fig. 1, a kind of wind-solar hybrid intelligent control system based on remote monitoring provided by the invention, comprise solar panel 8, blower fan 9, storage battery 10 and load, this control system also comprises at least one first voltage conversion circuit 2 being connected with solar panel 8, the second voltage change-over circuit 3 being connected with blower fan 9, the charging control circuit 7 being connected with the output of the first voltage conversion circuit 2 and second voltage change-over circuit 3 respectively, this charging control circuit 7 is also connected with load with storage battery 10, and respectively with the first voltage conversion circuit 2, the main control module 1 that second voltage change-over circuit 3 is connected with charging control circuit 7, and main control module 1 is for regulating the power output of the first voltage conversion circuit 2 or second voltage change-over circuit 3 according to the electric weight of storage battery 10 or load variations.
In this enforcement, the quantity of solar panel 8 and the first voltage conversion circuit 2 is two, can certainly select as required a plurality of.
Consult shown in Fig. 2, Fig. 4, the first above-mentioned voltage conversion circuit 2 comprises the first buck converter 21 and the first efficient current control chip 22 being connected with the first buck converter 21, and the output of the first buck converter 21 is connected with charging control circuit 7, and the first buck converter 21 is a Step-Down change-over circuit (being DC/DC conversion).In Fig. 4, SpwrIn+ is the input of solar panel 8, and by SPVOLT1 and SPCUR1, the voltage and current signal of solar panel 8 outputs being transferred back to main control module 1(is MCUatmega64); By SPOutV1 and SPOutCur1, the output voltage of the first buck converter 21 and current signal are transferred back to its circuit of main control module 1(as shown in Figure 7); Main control module 1 is controlled the output voltage of the first buck converter 21 by DAC_CONTRL signal, regulate the duty ratio that in 22 pairs of the first buck converters 21 of the first efficient current control chip, MOSFET controls.That is to say, main control module 1 is according to the voltage, the current information that collect, and by certain algorithm, output DAC_CONTRL signal is controlled the power output of the first buck converter 21, to realize MPPT(maximal power tracing) effect.
Consult shown in Fig. 3, Fig. 5, because blower fan 9 is output as three-phase alternating current, thus at the incoming end of blower fan 9, first three alternating currents are carried out to lightning protection and rectification processing, and add necessary filtering link, making it is stably rear class power supply.So, above-mentioned second voltage change-over circuit 3 comprises rectification circuit 31, filter circuit 32 and the second buck converter 33 connecting successively, and the second efficient current control chip 34 being connected with the second buck converter 33, and the output of the second buck converter 33 is connected with charging control circuit 7, and the second buck converter 33 is equally also a Step-Down change-over circuit (being DC/DC conversion).The voltage of 1 pair of blower fan of main control module, 9 inputs detects, if find that the rotating speed of blower fan 9 is too fast, will take brake to blower fan, with Fan-free, damages.Utilize the second efficient current control chip 34 and the second buck converter 33, under the monitoring of main control module 1, to through rectification and filtering blower fan electric energy process, be effective storage battery 10 charged.
Consult shown in Fig. 6, charging control circuit 7 plays the management to storage battery 10, discharging and recharging of storage battery 10 is managed.Be that OUTPUT module in Fig. 6 is responsible for outgoing management.It is mainly in the situation that output port there is short circuit or output overcurrent in the situation that and storage battery 10 electric weight too low, equipment will be closed output.In the situation that short circuit or overcurrent appear in delivery outlet, the U203 chip detection in Fig. 6, to corresponding signal, is closed the driving of Q204 pipe, disconnects the positive pole of output; In the low situation of storage battery 10 electric weight, U202 chip detection is to the low signal of electric weight, and U202 chip is to signal of closing output of U203 chip, and U203 chip is just closed the driving of Q204 pipe, disconnects the positive pole of output.So, protected equipment avoid accident and damage, also protected storage battery 10 to avoid power shortage and damaged or affect useful life.And, in this module also with main control module 1(MCU) be connected the Kai Heguan that can export by Long-distance Control.
Fig. 7 is the circuit diagram of main control module 1 of the present invention, and it mainly comprises a MCU chip, and its model is MCUATMEGA64.
In the present invention, from the first voltage conversion circuit 2 of solar panel 8 inputs and second voltage change-over circuit 3 accumulators 10 chargings efficiently of inputting from blower fan 9, it is to carry out under the monitoring of main control module 1, main control module 1 can read the status signal of the input and output of each first voltage conversion circuit 2 and second voltage change-over circuit 3, and in conjunction with the electric weight of storage battery 10, utilize MPPT algorithm (maximal power tracing algorithm), draw charging voltage and the electric current of accumulators 10.Main control module 1 also can detect the rotating speed of blower fan 9 simultaneously, and according to rotating speed, controls the unloading condition of blower fan, and the safe operation of blower fan and equipment has been played to protective effect.And for output, the present invention also comprises protective circuit 6, main control module 1 is also connected with charging control circuit 7 through protective circuit 6.Protective circuit 6 has realized overcurrent, short circuit, low-voltage variation; main control module 1 can be controlled user's the requirements set voltage of opening and the voltage that turn-offs output simultaneously; and the present invention also comprises communication module 4 and the data acquisition module 5 being connected with main control module 1; communication module 4 wherein is also connected with a monitor supervision platform 11, and data acquisition module 5 also with one for detection of the charging and discharging currents of storage battery 10 and the electric current of voltage and voltage detection module 12.Like this, can set and open and shutoff voltage in the situation that, monitor supervision platform 11 can be realized remote monitoring, has improved greatly efficiency and the convenience of remote monitoring combining main control module 1; And, main control module 1 can also be carried out various operations according to the instruction of monitor supervision platform 11, such as: power shortage voltage and the recovery voltage of revising output, the real-time clock of modification equipment, the address of modification equipment, main control module 1 also can be to operation signals such as the various states of monitor supervision platform 11 feedback (comprise whether the whether off-load of input and output voltage electric current, equipment real-time clock, device address, opening, blower fan, output be normal, temperature etc.).
Fig. 8 is the circuit diagram of electric current and voltage detection module 12 in the present invention, this module is given data acquisition module 5 the voltage and current value detecting, data acquisition module 5 carries out submitting to main control module 1(MCU after analog-to-digital conversion), main control module 1 is according to storage battery 11 charging and discharging currents and the voltage that collect, the state of the input voltage of the first voltage conversion circuit 2 and second voltage change-over circuit 3 and output voltage, electric current, control output voltage and the electric current of the first voltage conversion circuit 2 and second voltage change-over circuit 3, to reach the requirement discharging and recharging.And, discharging and recharging is the function of a globality, the state detection module that relates to the first voltage conversion circuit 2, second voltage change-over circuit 3 and discharge and recharge, is operated in storage battery 10 and discharges and recharges on the condition with the electric current and voltage of the input and output of the first voltage conversion circuit 2 and second voltage change-over circuit 3.
After overtesting, the control system of the present invention effect that is in operation is remarkable, can effectively promote efficiency, can fully use limited solar energy and wind energy; Owing to thering is remote monitoring function, make user can take in advance correspondingly measure according to the various states in supervisory control system in actual use, guaranteed the uninterrupted operation of power consumption equipment.
In conjunction with the description of this invention above, can show that the present invention has the following advantages:
1, the utilance of solar energy and wind energy is high: because the present invention has adopted efficient current control chip and corresponding algorithm (MPPT algorithm), the utilance of solar energy and wind energy has been promoted.Under equivalent environment, the present invention can promote more than 10% utilance.2, extended the useful life of storage battery: because the present invention has adopted 7 pairs of storage batterys of charging control circuit, carry out management of charging and discharging, in use, played to the effect of prolongation the life-span of storage battery.3, power consumption equipment and control system of the present invention are played a protective role: the protective circuit that has adopted reverse-connection preventing circuit, overcurrent and short circuit current, low pressure to disconnect to each input and output because of the present invention, in input and storage battery, connect anti-in the situation that, equipment and storage battery can not damage; Under output has abnormal conditions, equipment also can disconnect output, with protection equipment and storage battery.4, remote monitoring function, user can just can monitor control system of the present invention at monitor supervision platform, and as required, control system is controlled.5, function is many, is user-friendly to: have such as going out multiple voltage, adapt to different demands; LCD indicates various states, and the function such as storage.
Although described by reference to the accompanying drawings embodiments of the present invention; but the patent owner can make various distortion or modification within the scope of the appended claims; as long as be no more than the described protection range of claim of the present invention, all should be within protection scope of the present invention.
Claims (5)
1. the wind-solar hybrid intelligent control system based on remote monitoring, comprise solar panel (8), blower fan (9), storage battery (10) and load, it is characterized in that: this control system also comprises at least one first voltage conversion circuit (2) being connected with solar panel (8), the second voltage change-over circuit (3) being connected with blower fan (9), the charging control circuit (7) being connected with the output of the first voltage conversion circuit (2) and second voltage change-over circuit (3) respectively, this charging control circuit (7) is also connected with load with storage battery (10), and respectively with the first voltage conversion circuit (2), the main control module (1) that second voltage change-over circuit (3) is connected with charging control circuit (7), and described main control module (1) is for regulating the power output of the first voltage conversion circuit (2) or second voltage change-over circuit (3) according to the electric weight of storage battery (10) or load variations.
2. the wind-solar hybrid intelligent control system based on remote monitoring according to claim 1, it is characterized in that: described the first voltage conversion circuit (2) comprises the first buck converter (21) and the first efficient current control chip (22) being connected with the first buck converter (21), and the output of described the first buck converter (21) is connected with charging control circuit (7).
3. the wind-solar hybrid intelligent control system based on remote monitoring according to claim 2, it is characterized in that: described second voltage change-over circuit (3) comprises rectification circuit (31), filter circuit (32) and the second buck converter (33) connecting successively, and the second efficient current control chip (34) being connected with the second buck converter (33), and the output of described the second buck converter (33) is connected with charging control circuit (7).
4. the wind-solar hybrid intelligent control system based on remote monitoring according to claim 3, is characterized in that: also comprise protective circuit (6), described main control module (1) is also connected with charging control circuit (7) through protective circuit (6).
5. the wind-solar hybrid intelligent control system based on remote monitoring according to claim 3, it is characterized in that: also comprise the communication module (4) and the data acquisition module (5) that are connected with main control module (1), the monitor supervision platform (11) being connected with communication module (4), and be connected with data acquisition module (5) for detection of the charging and discharging currents of storage battery (10) and the electric current of voltage and voltage detection module (12).
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| CN201310646938.6A CN103607031A (en) | 2013-12-04 | 2013-12-04 | Wind-solar hybrid intelligent control system based on remote monitoring |
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| CN201310646938.6A CN103607031A (en) | 2013-12-04 | 2013-12-04 | Wind-solar hybrid intelligent control system based on remote monitoring |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104979910A (en) * | 2015-07-06 | 2015-10-14 | 安徽宝绿电器科技有限公司 | Solar allopatric switch control device |
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Application publication date: 20140226 |