CN102681500B - System and method for solar intelligent monitoring - Google Patents
System and method for solar intelligent monitoring Download PDFInfo
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- CN102681500B CN102681500B CN201110063704.XA CN201110063704A CN102681500B CN 102681500 B CN102681500 B CN 102681500B CN 201110063704 A CN201110063704 A CN 201110063704A CN 102681500 B CN102681500 B CN 102681500B
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Abstract
The invention discloses a system and a method for solar intelligent monitoring. The system comprises solar monitoring small systems, communication relay expansion devices, a communication relay device and a monitoring main machine. The monitoring main machine is in communication connection with the communication relay device. The communication relay device is in communication connection with a plurality of communication relay expansion devices. The plurality of communication relay expansion devices are connected with the communication relay device in a hand-in-hand bus connection method. Each communication relay expansion device is respectively in communication connection with a plurality of solar monitoring small systems. The communication relay device comprises two relay chips in image connection. The system and the method for the solar intelligent monitoring achieves expansion of the scale of the existing solar power generation monitoring system, limit of traditional 256 system devices is broken, device recognition is expanded to 256n devices, and n is the number of relay layers. Simultaneously, data transmission distance breaks the limit of 1200 meters of 485 transmission and is increased to more than m times of 1200 meters, and m is the level of the communication relay device.
Description
Technical field
The invention belongs to solar energy intelligent technical field of power generation, relate to a kind of solar energy intelligent supervisory system and method for supervising.
Background technology
At present, along with the increase of solar photovoltaic power plant scale and the continuous expansion of range of application, the Design of Monitoring and Control System of solar photovoltaic power plant is also more and more paid attention to by system designer, and monitoring has become a key factor of photovoltaic plant reliability service.But the feature of existing solar power system self has determined solar photovoltaic power plant monitoring and communication function and cannot realize large-scale application, greatly limited generating scale and the range of application of solar power station.
Summary of the invention
Technical matters to be solved by this invention is: a kind of solar energy intelligent supervisory system is provided, and this system can realize extensive telecommunication;
In addition, the present invention also provides a kind of solar energy intelligent method for supervising.
For solving the problems of the technologies described above, the present invention adopts following technical scheme.
A kind of solar energy intelligent supervisory system, comprises sun power monitoring mini system, communication relay extension equipment, communication relay set and monitoring host computer; Described monitoring host computer is communicated by letter and is connected with communication relay set; Described communication relay set is connected with several communication relay extension devices communicatings, and described several communication relay extension equipment are connected with communication trunking with formula bus connecting mode hand in hand; Each communication relay extension equipment is all communicated by letter and is connected with several sun power monitoring mini systems; Described communication trunking comprises the repeater chip that 2 mirror images connect.
As a preferred embodiment of the present invention, described communication trunking adopts 485 communication patterns; Described repeater chip is 485 communication chips; Each 485 communication chips are all realized relay and control by 1 triode, wherein the DE of 485 communication chips is connected with the collector of triode with RE port, the GND port of 485 communication chips and the grounded emitter of triode, the DI port of 485 communication chips is connected with the base stage of triode by resistance; The DI port of 485 communication chips is connected with the RO port of another 485 communication chip by resistance.
As another kind of preferred version of the present invention, each sun power monitoring mini system includes 1 solar energy intelligent header box and several sun power signal collecting devices; Each sun power signal collecting device includes sun power pole plate and plate signal collector; Described plate signal collector is connected with sun power pole plate, in order to gather the signal message of sun power pole plate; Described several sun power signal collecting devices are all connected with described solar energy intelligent header box, in order to the information collecting is aggregated in solar energy intelligent header box.
As another preferred version of the present invention, described plate signal collector comprises signal processing chip, and wherein signal processing chip is single-chip microcomputer; Single-chip microcomputer is processed by TS port the temperature signal collecting, by VSL port, the voltage signal collecting is processed, by VI81 port, the current signal collecting is processed, and given described solar energy intelligent header box by signal after treatment by RXD, TXD and RTS port transmission.
As another preferred version of the present invention, described plate signal collector comprises temperature collection circuit, described temperature collection circuit comprises a temperature sensor, the first port of described temperature sensor connects VSS voltage, the second port of temperature sensor connects the TS port of signal processing chip, the 3rd connect+5V of port voltage of temperature sensor, the second port of described temperature sensor is by connect+5V of resistance voltage.
Described plate signal collector also comprises voltage signal acquisition circuit, described voltage signal acquisition circuit comprises that one in order to realize the Hall type voltage collector of voltage transitions isolation, the first port of described Hall type voltage collector connects solar panel positive pole, the 3rd port of described Hall type voltage collector connects solar panel negative pole, the 4th connect+12V of port voltage of described Hall type voltage collector, the 6th port of described Hall type voltage collector connects VSS voltage, the 8th port of described Hall type voltage collector connects the VSL port of signal processing chip by resistance.
Described plate signal collector also comprises current signal Acquisition Circuit, described current signal Acquisition Circuit comprises a Hall type current collector in order to current conversion isolation, the the 1st, 2,3,4 ports of described Hall type current collector connect solar panel negative pole, the the 5th, 6,7,8 ports of described Hall type current collector meet sun power electric current input port SL8-, and the 11st port of described Hall type current collector connects the VI8 port of signal processing chip.
As another preferred version of the present invention, described intelligent monitor system also comprises the lightning protection supervisory circuit of sun power pole plate, and described lightning protection supervisory circuit comprises lightning protection circuit and lightning protection fault signal circuit;
Described lightning protection circuit comprises the piezoresister of 2 series connection, and described piezoresister is band protection votage limit type piezoresister; One of them piezoresister is connected the positive pole of sun power pole plate with JP2 by JP1, another piezoresister is connected the negative pole of sun power pole plate with JP4 by JP3, the surge voltage of the piezoresister of series connection for clamping down on sun power pole plate; Between the piezoresister of two series connection, connect a gas-discharge tube, described gas-discharge tube is switching mode gas-discharge tube; The gas-discharge tube thermal resistor of connecting, described thermal resistor access the earth, in order to release lightning current;
Described lightning protection fault signal circuit is contact weakening circuit, comprises and+the first resistance that 5V voltage is connected, and second resistance of connecting with the first resistance, with the electric capacity that the second resistance is connected, the other end of electric capacity is connected with VSS voltage; The connected node of the first resistance and the second resistance is FA input end, and the node that the second resistance is connected with electric capacity is FA1 output terminal.
A kind of solar energy intelligent method for supervising, comprises the following steps:
Step 1, plate signal collector gathers the signal of sun power pole plate; The signal collecting is converted to the discernible machine signal of monitoring host computer by signal processing chip in plate signal collector, and be transferred to solar energy intelligent header box with the communication pattern of RS485 or CAN bus;
Step 2, the machine signal gathering is transferred to communication relay extension equipment by solar energy intelligent header box;
Step 3, the signal receiving is transferred to communication trunking by communication relay extension equipment;
Step 4, the multimachine signal receiving is sent to monitoring host computer by communication trunking.
As a preferred embodiment of the present invention, described communication trunking comprises the repeater chip that 2 mirror images connect, and described repeater chip is 485 communication chips; Each 485 communication chips are all realized relay and control by 1 triode, wherein the DE of 485 communication chips is connected with the collector of triode with RE port, the GND port of 485 communication chips and the grounded emitter of triode, the DI port of 485 communication chips is connected with the base stage of triode by resistance; The DI port of 485 communication chips is connected with the RO port of another 485 communication chip by resistance.
As another kind of preferred version of the present invention, described communication relay extension equipment has 2 independently RS485 interfaces, an interface is connected with described solar energy intelligent header box, be responsible for collecting the information of solar energy intelligent header box, another interface is connected with described communication relay set, is responsible for sending the information of collecting to communication relay set.
Beneficial effect of the present invention is: the present invention has realized the scale of existing solar electrical energy generation supervisory system is expanded, and has broken through the restriction of 256 traditional system equipments, and recognition of devices is extended to 256
nplatform, the number of plies that n is relaying; Make data transmission distance break through 485 simultaneously and transmit 1200 meters of the limit, bring up to 1200 meters m doubly more than, m is the progression of communication trunking.
Description of the invention and application are illustrative, not want scope of the present invention to limit in the above-described embodiments.Here the distortion of disclosed embodiment and change is possible, and for those those of ordinary skill in the art, the various parts of the replacement of embodiment and equivalence are known.Those skilled in the art are noted that in the situation that not departing from spirit of the present invention or essential characteristic, and the present invention can be with other forms, structure, layout, ratio, and realize with other elements, material and parts.
Brief description of the drawings
Fig. 1 is the structural representation of solar energy intelligent supervisory system of the present invention;
Fig. 2 is the principle schematic of communication relay extension equipment of the present invention;
Fig. 3 is the principle schematic of 485 communication lines of the present invention;
Fig. 4 is the principle schematic of communication trunking of the present invention;
Fig. 5 is the governor circuit schematic diagram of single-chip microcomputer of the present invention;
Fig. 6 is the circuit theory diagrams of temperature sampling equipment of the present invention;
Fig. 7 is the circuit theory diagrams of voltage acquisition equipment of the present invention;
Fig. 8 is the circuit theory diagrams of current acquisition equipment of the present invention;
Fig. 9 is the lightning protection circuit schematic diagram of sun power pole plate of the present invention;
Figure 10 is the lightning protection fault signal circuit figure of sun power pole plate of the present invention.
Primary clustering symbol description:
1,485 repeater chips; 2, triode;
3,485 communication chips; 4, gas-discharge tube;
5, Transient Suppression Diode; 6, optic coupling element;
7, signal processing chip; 8, temperature sensor;
9, voltage acquisition element; 10, current acquisition element;
11, piezoresister; 12, AC-DC converter;
13, thermal resistor.
Embodiment
The present invention is in order to overcome the deficiencies in the prior art; a kind of solar energy intelligent supervisory system and method for supervising are proposed; the method can not only be monitored the normal operation of solar energy system; can also report to the police to the problems and shortcomings that exist in solar energy system; and the scale of existing solar electrical energy generation supervisory system is expanded and scale; break through the restriction of 256 traditional system equipments, recognition of devices is extended to 256
nplatform, wherein n is the relaying number of plies; Simultaneously by 1200 meters of the data transmission distance breakthrough 485 transmission limit.
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in further detail.
Embodiment mono-
The present embodiment provides a kind of solar energy intelligent supervisory system, as shown in Figure 1, comprises several sun power monitoring mini systems, communication relay extension equipment, communication relay set and monitoring host computer; Described monitoring host computer is communicated by letter and is connected with communication relay set, multiple communication relay extension equipment is connected with communication relay set with formula bus connecting mode hand in hand by connection cable, and each communication relay extension equipment is all communicated by letter and is connected with several sun power monitoring mini systems.Communication pattern in the present embodiment is RS485 communication pattern or CAN bus communication pattern.
[sun power monitoring mini system]
Each sun power monitoring mini system includes 1 solar energy intelligent header box and several sun power signal collecting devices; Each sun power signal collecting device includes sun power pole plate and plate signal collector; Described plate signal collector is connected with sun power pole plate, in order to gather the information such as the voltage, electric current, temperature, lightning protection fault-signal of sun power pole plate; Described several sun power signal collecting devices are all connected with described solar energy intelligent header box, in order to the information collecting is aggregated in solar energy intelligent header box.
Described plate signal collector is in order to gather the signal of sun power pole plate; this plate signal collector adopts singlechip chip, MEGA32 process chip, dsp chip or fpga chip; there is voltage, electric current and temperature collection function, also there is sun power pole plate lightning protection and lightning protection circuit Collection function.
Fig. 5 is the governor circuit schematic diagram of single-chip microcomputer, comprise signal processing chip and peripheral circuit thereof, wherein device 7 is signal processing chip, can adopt Mega32 process chip, dsp chip or fpga chip, by TS interface, the temperature signal collecting is processed, by VSL interface, the voltage signal collecting is processed, by VI81 interface, the current signal collecting is processed.In the present embodiment, select Mega series monolithic, Mega series monolithic powerful, support the identifying processing work of multi-channel A/D sampling, can effectively information be optimized to processing, for ensureing conversion accuracy, single-chip microcomputer adopts high precision external crystal-controlled oscillation to carry out the frequency adjustment of single-chip microcomputer, to guarantee the accuracy of internal calculation.Then signal after treatment is passed through to RXD, TXD and RTS port transmission to RS485 communicating equipment circuit.
Fig. 6 is scene temperature Acquisition Circuit, and described temperature collection circuit comprises a temperature sensor 8, and that this temperature sensor 8 uses is DS18B20, and this sensor circuit is simple in structure, and high precision and reliability are high.The first port of described temperature sensor connects VSS voltage, and the second port of temperature sensor connects the TS port of MEGA32 process chip, the 3rd connect+5V of port voltage of temperature sensor, and the second port of described temperature sensor is by connect+5V of resistance voltage.
Fig. 7 is the voltage signal acquisition circuit of sun power pole plate, voltage acquisition element 9 is Hall type voltage collector, precision is high, adaptive capacity to environment is strong, can realize the effect of voltage transitions isolation, gather sun power polar plate voltage by solar voltage input port SL+ (sun power pole plate positive pole)/SL-(sun power pole plate negative pole), voltage acquisition element 9 exports voltage acquisition signal to VSL interface, and by VSL port, voltage signal is transferred to singlechip chip.Its detailed connected mode is: the first port of described Hall type voltage collector connects sun power pole plate positive pole, the 3rd port of described Hall type voltage collector connects sun power pole plate negative pole, the 4th connect+12V of port voltage of described Hall type voltage collector, the 6th port of described Hall type voltage collector connects VSS voltage, and the 8th port of described Hall type voltage collector connects the VSL port of MEGA32 process chip by resistance.
Fig. 8 is the current signal Acquisition Circuit of sun power pole plate, current acquisition element 10 is Hall type current collector, can realize the effect of current conversion isolation, gather the electric current of sun power pole plate by sun power electric current input port SL8-(sun power pole plate negative pole), current acquisition element 10 exports current acquisition signal to VI8 interface, and by VI8 port, voltage signal is transferred to singlechip chip.Its detailed connected mode is: the the 1st, 2,3,4 ports of described Hall type current collector connect sun power pole plate negative pole, the the 5th, 6,7,8 ports of described Hall type current collector meet sun power electric current input port SL8-, and the 11st port of described Hall type current collector connects the VI8 port of MEGA32 process chip.
Solar energy intelligent supervisory system described in the present embodiment adopts 485 communication patterns.Fig. 3 is the principle schematic of 485 communication lines, and wherein device 3 is 485 communication chips, and the model of 485 communication chips of selecting in the present embodiment is SN65HVD3082.For ensureing communication quality, this 485 communication chip carries out the communication connection of single-chip microcomputer by 2 optic coupling elements 6.For saving design cost, 2 optic coupling elements can adopt respectively plain edition optic coupling element and high speed photo coupling element, if needs also can use other high speed photo coupling elements to incite somebody to action simultaneously.485 communication facilitiess by RS485/A, RS485/B and VCC1 port to external transmission 485 signals.For further ensureing the lightning protection effect of transmission quality and signal transmission, 485 communication lines adopt device 4 and device 5 to carry out lightning protection, and wherein device 4 is gas-discharge tube, and device 5 is Transient Suppression Diode.
[communication relay extension equipment]
Fig. 2 is the principle schematic of communication relay extension equipment, after RS485 signal sends by device 3, inputs to device 1 and amplifies and expansion, and device 1 is RS485 repeater chip, and model is SN65HVD3082EDR; The object that adopts two RS485 repeater chips is herein the extended capability in order further to promote chip, and realize relay and control by two middle controller parts 2, device 2 is triode, wherein the DE of 485 repeater chips is connected with the collector of triode with RE port, the GND port of 485 repeater chips and the grounded emitter of triode, the DI port of 485 repeater chips is connected with the base stage of triode by resistance; The DI port of 485 repeater chips is connected with the RO port of another 485 repeater chip by resistance.The key of circuit is in the time that communication is lain fallow, the interface Ro=1 of 485 repeater chips, instead of in random state.Described communication relay extension equipment has 2 independently RS485 interfaces, an interface is connected with described solar energy intelligent header box, be responsible for collecting the information of solar energy intelligent header box, another interface is connected with described communication relay set, is responsible for sending the information of collecting to communication relay set.Communication relay extension equipment of the present invention has been simplified circuit design greatly, has reduced the transmission delay time of data simultaneously.
[communication trunking]
Described communication trunking has multimachine expanded function.Fig. 4 is the principle schematic of communication trunking, and structure and Fig. 2 are similar, adopts equally device 1 to carry out relay reception, realizes the relay and control function of chip with device 2.Finally, by AO, BO and VCC interface circuit, through host computer serial ports transmission equipment or monitoring host computer (host computer or display device) transmission RS485 signal of communication, complete data communication facility.Detailed content is: described communication trunking comprises the repeater chip that 2 mirror images connect, and described repeater chip is 485 communication chips; Each 485 communication chips are all realized relay and control by 1 triode, wherein the DE of 485 communication chips is connected with the collector of triode with RE port, the GND port of 485 communication chips and the grounded emitter of triode, the DI port of 485 communication chips is connected with the base stage of triode by resistance; The DI port of 485 communication chips is connected with the RO port of another 485 communication chip by resistance.
[lightning protection supervisory circuit]
Described lightning protection supervisory circuit comprises lightning protection circuit and lightning protection fault signal circuit, as shown in Figure 9 and Figure 10.
Fig. 9 is the lightning protection circuit schematic diagram of sun power pole plate (being solar cell pole plate), and this lightning protection circuit comprises the piezoresister 11 of 2 series connection, and piezoresister 11 is band protection votage limit type piezoresister; One of them piezoresister U1 is connected the positive pole of solar cell pole plate with JP2 by JP1, another piezoresister U2 is connected the negative pole of solar cell pole plate with JP4 by JP3, the surge voltage of the piezoresister of series connection for clamping down on sun power pole plate, the gas-discharge tube 4 of connecting between two series connection piezoresisters 11, gas-discharge tube 4 is switching mode gas-discharge tube.Gas-discharge tube 4 thermal resistor 13 of connecting, thermal resistor 13 accesses the earth, and lightning current is released.In the time having lightning current to flow through the lightning protection component with described lightning protection circuit; thunder and lightning moment can be considered an alternating signal; by AC-DC converter 12, thunder and lightning AC signal is converted to direct current signal; drive optic coupling element 6 to move; by optical coupling secondary edges conducting, make SPF signal because the action of optocoupler is set to low level.By the signal intensity of low and high level, make single-chip microcomputer can judge accurately the lightning protection signal of sun power pole plate, and then report to the police to host computer by the communication function of system.
Figure 10 is lightning protection fault signal circuit figure of the present invention, because general lightning protection device, the particularly lightning protection device with remote signalling output function on market, its remote signalling is output as a switching value, and signal output state is two kinds of " closure " and "off".The lightning protection fault signal circuit that the present embodiment provides is contact weakening circuit, resistance R 2 and capacitor C 9 play weakening effect, in the time that FA becomes closure from disconnecting, FA1 signal will become low level from high level, now single-chip microcomputer will judge whether deterioration failure of lightning protection device by the variation of FA1 signal, and then reports to the police to host computer by the communication function of system.
Solar energy intelligent supervisory system of the present invention comprises the integral type application case of intelligent monitoring, telecommunication, relay extension and sun power pole plate lightning protection; the emphasis that wherein communication and relay extension function will be set forth for this patent, it can will originally can only allow the communication function of maximum 256 machine recognition to be increased to 256
nthe recognition function of (n is the relaying number of plies) platform machine, simultaneously by 1200 meters of the data transmitting range breakthrough 485 transmission limit, bring up to 1200 meters more than m (m is the progression of communication trunking) times, and then the large system of matrix of networking with minimum cost composition communication, make the communication efficiency between each equipment reach the highest, make whole solar power station, particularly the application in large-sized solar power station reaches optimum efficiency, and the cost of whole system is dropped to minimum.This supervisory system is considered performance and the lightning protection requirement of equipment comprehensively simultaneously, and the security performance of whole system is reached to optimum.
In addition, the present embodiment also provides a kind of solar energy intelligent method for supervising, and the method comprises the following steps:
1) plate signal collector gathers voltage, electric current and the temperature signal of sun power pole plate; The signal collecting is converted to the discernible communication signal of monitoring host computer (host computer) (machine signal) by signal processing chip in plate signal collector; Described machine signal is transferred to solar energy intelligent header box with the communication pattern of RS485 or CAN bus;
2) solar energy intelligent header box is transferred to communication relay extension equipment after machine signal is gathered;
3) described communication relay extension equipment receives the signal that gathers of multiple solar energy intelligent header box transmission, signal is gathered and be transmitted to communication trunking simultaneously;
4) communication trunking receives the signal of multiple communication relay extension device transmission, and the multimachine signal receiving is uploaded to monitoring host computer (host computer), for demonstration, information processing and fault judgement.
Claims (6)
1. a solar energy intelligent supervisory system, is characterized in that: comprise sun power monitoring mini system, communication relay extension equipment, communication relay set and monitoring host computer; Described monitoring host computer is communicated by letter and is connected with communication relay set; Described communication relay set is connected with several communication relay extension devices communicatings, and described several communication relay extension equipment are connected with communication trunking with formula bus connecting mode hand in hand; Each communication relay extension equipment is all communicated by letter and is connected with several sun power monitoring mini systems; Described communication trunking comprises the repeater chip that 2 mirror images connect; Described communication relay extension equipment has 2 independently RS485 interfaces, an interface is connected with described solar energy intelligent header box, be responsible for collecting the information of solar energy intelligent header box, another interface is connected with described communication relay set, is responsible for sending the information of collecting to communication relay set; Described intelligent monitor system also comprises the lightning protection supervisory circuit of sun power pole plate, and described lightning protection supervisory circuit comprises lightning protection circuit; Described lightning protection circuit comprises the piezoresister of 2 series connection, and described piezoresister is band protection votage limit type piezoresister; One of them piezoresister is connected the positive pole of sun power pole plate with JP2 by JP1, another piezoresister is connected the negative pole of sun power pole plate with JP4 by JP3, the surge voltage of the piezoresister of series connection for clamping down on sun power pole plate; Between the piezoresister of two series connection, connect a gas-discharge tube, described gas-discharge tube is switching mode gas-discharge tube; The gas-discharge tube thermal resistor of connecting, described thermal resistor access the earth, in order to release lightning current.
2. solar energy intelligent supervisory system according to claim 1, is characterized in that: described communication trunking adopts 485 communication patterns; Described repeater chip is 485 communication chips; Each 485 communication chips are all realized relay and control by 1 triode, wherein the DE of 485 communication chips is connected with the collector of triode with RE port, the GND port of 485 communication chips and the grounded emitter of triode, the DI port of 485 communication chips is connected with the base stage of triode by resistance; The DI port of 485 communication chips is connected with the RO port of another 485 communication chip by resistance.
3. solar energy intelligent supervisory system according to claim 1, is characterized in that: each sun power monitoring mini system includes 1 solar energy intelligent header box and several sun power signal collecting devices; Each sun power signal collecting device includes sun power pole plate and plate signal collector; Described plate signal collector is connected with sun power pole plate, in order to gather the signal message of sun power pole plate; Described several sun power signal collecting devices are all connected with described solar energy intelligent header box, in order to the information collecting is aggregated in solar energy intelligent header box.
4. solar energy intelligent supervisory system according to claim 3, is characterized in that: described plate signal collector comprises signal processing chip, and wherein signal processing chip is single-chip microcomputer; Single-chip microcomputer is processed by TS port the temperature signal collecting, by VSL port, the voltage signal collecting is processed, by VI81 port, the current signal collecting is processed, and given described solar energy intelligent header box by signal after treatment by RXD, TXD and RTS port transmission.
5. solar energy intelligent supervisory system according to claim 4, is characterized in that: described plate signal collector comprises temperature collection circuit, voltage signal acquisition circuit and current signal Acquisition Circuit;
Described temperature collection circuit comprises a temperature sensor, the first port of described temperature sensor connects VSS voltage, the second port of temperature sensor connects the TS port of signal processing chip, the 3rd connect+5V of port voltage of temperature sensor, the second port of described temperature sensor is by connect+5V of resistance voltage;
Described voltage signal acquisition circuit comprises that one in order to realize the Hall type voltage collector of voltage transitions isolation, the first port of described Hall type voltage collector connects solar panel positive pole, the 3rd port of described Hall type voltage collector connects solar panel negative pole, the 4th connect+12V of port voltage of described Hall type voltage collector, the 6th port of described Hall type voltage collector connects VSS voltage, and the 8th port of described Hall type voltage collector connects the VSL port of signal processing chip by resistance;
Described current signal Acquisition Circuit comprises a Hall type current collector in order to current conversion isolation, the the 1st, 2,3,4 ports of described Hall type current collector connect solar panel negative pole, the the 5th, 6,7,8 ports of described Hall type current collector meet sun power electric current input port SL8-, and the 11st port of described Hall type current collector connects the VI8 port of signal processing chip.
6. solar energy intelligent supervisory system according to claim 4, is characterized in that: described lightning protection supervisory circuit also comprises lightning protection fault signal circuit;
Described lightning protection fault signal circuit is contact weakening circuit, comprises and+the first resistance that 5V voltage is connected, and second resistance of connecting with the first resistance, with the electric capacity that the second resistance is connected, the other end of electric capacity is connected with VSS voltage; The connected node of the first resistance and the second resistance is FA input end, and the node that the second resistance is connected with electric capacity is FA1 output terminal.
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| CN103199516B (en) * | 2013-03-20 | 2016-01-27 | 华为技术有限公司 | A kind of interchange protection circuit and system thunder defending circuit |
| CN104460555B (en) * | 2013-09-22 | 2017-05-17 | 丘玓 | Intelligent data fusion cloud control device and data transmission control method thereof |
| CN105241092B (en) * | 2015-10-30 | 2018-03-13 | 东方电气集团东方锅炉股份有限公司 | The optically focused station control system and its implementation in a kind of photo-thermal power station |
| CN108871613A (en) * | 2018-06-28 | 2018-11-23 | 北京汉能光伏投资有限公司 | A kind of temperature checking method and device of solar power system |
| CN110243416A (en) * | 2019-07-12 | 2019-09-17 | 福州大学 | A kind of intelligent photovoltaic array header box monitoring system based on NB-IOT |
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| CN201377132Y (en) * | 2008-12-30 | 2010-01-06 | 广州市设计院 | Building curtain wall photovoltaic integrative device |
| CN101719112A (en) * | 2009-11-19 | 2010-06-02 | 北京东方信联科技有限公司 | Half-duplex automatic receiving-transmitting switching circuit of RS485 |
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| CN201377132Y (en) * | 2008-12-30 | 2010-01-06 | 广州市设计院 | Building curtain wall photovoltaic integrative device |
| CN101719112A (en) * | 2009-11-19 | 2010-06-02 | 北京东方信联科技有限公司 | Half-duplex automatic receiving-transmitting switching circuit of RS485 |
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