CN204559511U - Based on the photovoltaic monitoring system node circuit of Internet of Things - Google Patents
Based on the photovoltaic monitoring system node circuit of Internet of Things Download PDFInfo
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- CN204559511U CN204559511U CN201520239590.3U CN201520239590U CN204559511U CN 204559511 U CN204559511 U CN 204559511U CN 201520239590 U CN201520239590 U CN 201520239590U CN 204559511 U CN204559511 U CN 204559511U
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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
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Abstract
The utility model discloses a kind of photovoltaic monitoring system node circuit based on Internet of Things.The utility model comprises parameter acquisition module, data processing module, solar panel power module, communication module, memory, and communication module comprises wireless communication module, wire communication module; The output of parameter acquisition module is connected with the input of data processing module, three outputs of data processing module are connected with the input of memory, the input of wireless communication module, the input end signal of wire communication module respectively, and solar panel power module is parameter acquisition module, data processing module, communication module are powered.The utility model compensate for the feature that index in existing system is single, systematicness is not strong, achieve the storage to photovoltaic resources information, voltage, electric current, temperature, irradiance and statistical analysis, for power grid control, formulate generation schedule, economy and technology assessment provide key message.
Description
Technical field
The utility model belongs to photovoltaic electrical network monitoring technology, is specifically related to a kind of photovoltaic monitoring system node circuit based on Internet of Things.
Background technology
Along with the increase of world population and people are to the increase of energy degree of dependence, energy problem has become world's Vital Strategic Problems.The utilization of fossil energy is the key factor causing environmental change and pollution, has unsustainable property, and solar energy is due to its environmental protection and have sustainability, obtains the attention of national governments.In view of solar photovoltaic industry distributed power generation, system operational parameters still needs personal monitoring, the shortcomings such as it exists, and distribution area is wide, quantity is many, work under bad environment, on-site supervision difficulty.Therefore, to distributed photovoltaic power generation system operational parameters carry out accurate on line real-time monitoring become a kind of industry urgently need solve problem.
Summary of the invention
The purpose of this utility model is for the deficiencies in the prior art, provides a kind of photovoltaic monitoring system node circuit based on Internet of Things, has the advantages that structure is simple, easy to use.
A kind of photovoltaic monitoring system node circuit based on Internet of Things, comprise parameter acquisition module, data processing module, solar panel power module, communication module, memory, wherein parameter acquisition module comprises irradiance sensor, temperature sensor, voltage collection circuit, current collection circuit, and communication module mainly comprises wireless communication module, wire communication module; The output of parameter acquisition module is connected with the input of data processing module, three outputs of data processing module are connected with the input of memory, the input of wireless communication module, the input end signal of wire communication module respectively, and solar panel power module is parameter acquisition module, data processing module, communication module are powered.
Described data processing module comprises singlechip minimum system circuit, single-chip microcomputer extension functional circuit;
Described singlechip minimum system circuit comprises singlechip control chip U1, filter circuit, RTC battery B0, SWD interface P3, start-up mode circuit, crystal oscillator Y1 ~ Y2, resistance R9 ~ R14, R28, electric capacity C13 ~ C15, C22 ~ C23, wherein filter circuit comprises electric capacity C16 ~ C21, and start-up mode circuit comprises resistance R15 ~ R17, 5th pin (PD0 input pin) of singlechip control chip U1 is connected with one end of the 28 resistance R28, one end of the first crystal oscillator Y1, one end of the 13 electric capacity C13, 6th pin (PD0 output pin) of singlechip control chip U1 is connected with one end of the 11 resistance R11, and the other end of the 11 resistance R11 is connected with the other end of the 28 resistance R28, the other end of the first crystal oscillator Y1, one end of the 14 electric capacity C14, the three-prong (PC14 pin) of singlechip control chip U1 is connected with one end of the 23 electric capacity C23, one end of the second crystal oscillator Y2, 4th pin (PC15 pin) of singlechip control chip U1 is connected with the other end of crystal oscillator Y2, one end of the 22 electric capacity C22, 7th pin (NRST pin) of singlechip control chip U1 is connected with one end of the tenth resistance R10, one end of the 15 electric capacity C15, first pin (VBAT pin) of singlechip control chip U1 is connected with the positive pole VBAT of RTC battery B0, 34 pin (PA13 pin) of singlechip control chip U1, the 37 pin (PA14 pin) are connected with SWD interface P3 second pin, three-prong respectively, 44 pin (BOOT0 pin) of singlechip control chip U1 is connected with one end BOOT0 of the 16 resistance R16 in start-up mode circuit, another termination external power supply VCC of the tenth resistance R10, 9th pin (VDDA pin) of singlechip control chip U1, 24 pin (VDD-1 pin), 36 pin (VDD-2 pin), 48 pin (VDD-3 pin) meets external power supply VCC after connecting, one end of 16 electric capacity C16, one end of 17 electric capacity C17, one end of 18 electric capacity C18, one end of 19 electric capacity C19, one end of 20 electric capacity C20, external power supply VCC is met after one end connection of the 21 electric capacity C21, the one termination external power supply VCC of the 15 resistance R15, first pin of SWD interface P3 meets external power supply VCC, the other end of the 13 electric capacity C13 is connected rear ground connection with the other end of the 14 electric capacity C14, the other end of the 16 electric capacity C16, the other end of the 17 electric capacity C17, the other end of the 18 electric capacity C18, the other end of the 19 electric capacity C19, the other end of the 20 electric capacity C20, the other end of the 21 electric capacity C21 connects rear ground connection, the minus earth of RTC battery, 4th pin ground connection of SWD interface, one end ground connection of the 17 resistance R17, 20 three-prong (VSS-1 pin) of singlechip control chip U1, 35 pin (VSS-2 pin), 47 pin (VSS-3 pin), ground connection after 8th pin (VSS A pin) connects, the other end of the 22 electric capacity C22 is connected rear ground connection with the other end of the 23 electric capacity C23, the other end ground connection of the 15 electric capacity C15, one end ground connection of the 9th resistance R9, the other end of the 16 resistance R16, the other end of the 17 resistance R17 connect the other end of the 15 resistance R15 after connecting, 20 pin (PB2 pin) of singlechip control chip U1 is connected with the other end of the 9th resistance R9, 29 pin (PA8 pin) of singlechip control chip U1 is connected with one end of the 14 resistance R14, 30 pin (PA9 pin) of singlechip control chip U1 is connected with one end of the 13 resistance R13, 31 pin (PA10 pin) of singlechip control chip U1 is connected with one end of the 12 resistance R12, other are all built on stilts for the pin be mentioned to unless the context of singlechip control chip U1, the model of singlechip control chip U1 is STM32F103C6T6A or STM32F103C8T6,
Described single-chip microcomputer extension functional circuit comprises address setting circuit, ferroelectric FRAM module, key-press module, buzzer module, indicating lamp module, wherein address setting circuit comprises toggle switch S1, the first exclusion RP1, the second exclusion RP2, ferroelectric FRAM module comprises memory U5, electric capacity C24, key-press module comprises button K1 ~ K3, resistance R20 ~ R22, buzzer module comprises buzzer B1, diode D2, resistance R2, R8, triode Q1, and indicating lamp module comprises three LED 1 ~ LED3; In address setting circuit toggle switch S1 first, second, third and fourth, five, six, seven, eight pins are connected with external power supply VCC; In the setting of address toggle switch S1 the 9th, ten, 11,12 pins respectively with the 7th of the second exclusion RP2, five, three, a pin is connected, the 13,14,15,16 pins and the first exclusion RP1 the 7th, five, three, a pin is connected; Second, four, six, eight pins of the first exclusion RP1 are connected with the 45 pin (PB8 pin) of singlechip control chip U1, the 46 pin (PB9 pin), the 21 pin (PB10 pin), the 22 pin (PB11 pin) respectively, and second, four, six, eight pins of the second exclusion RP2 are connected with the 25 pin (PB12 pin) of singlechip control chip U1, the 26 pin (PB13 pin), the 27 pin (PB14 pin), the 28 pin (PB15 pin) respectively; 4th pin (VSS pin) of memory U5, the equal ground connection in one end of the 24 electric capacity C24; External power supply VCC is met after 8th pin (VDD pin) of memory U5 is connected with the other end of the 24 electric capacity C24; Memory U5 first and second, five, six pins (
, O, D, C pin) be connected with the 14 pin (PA4 pin) of singlechip control chip U1, the 16 pin (PA6 pin), the 17 pin (PA7 pin), the 15 pin (PA5 pin) respectively, the three-prong of memory U5 (
pin) meet external power supply VCC, the 7th pin of memory U5 (
pin) built on stilts; One end of button K1, K2, K3 is connected with earth terminal GND, and the other end is connected with one end of the 20 resistance R20, one end of the 21 resistance R21, one end of the 22 resistance R22 respectively; The another one end of the other end of the 20 resistance R20, the other end of the 21 resistance R21, the 22 resistance R22 is connected with the 32 pin (PA11 pin) of singlechip control chip U1, the 30 three-prong (PA12 pin), the 38 pin pin (PA15 pin) respectively; Meet external power supply VCC after one end of buzzer B1 is connected with the negative electrode of the second diode D2, the other end is connected with the anode of the second diode D2, one end of the 8th resistance R8; The other end of the 8th resistance R8 is connected with the collector electrode of the first triode Q1, grounded emitter, and base stage is connected with one end of the second resistance R2; The other end of the second resistance R2 is connected with the 42 pin (PB6 pin) of singlechip control chip U1; The anode of first, second and third LED 1, LED2, LED3 is connected with external power supply VCC, and negative electrode is connected with the 26 pin (PB13 pin) of singlechip control chip U1, the 27 pin (PB14 pin), the 28 pin (PB15 pin) respectively; 18 pin (PB0 pin) of singlechip control chip U1 meets solar panel V-SOLAR; Other pins be mentioned to unless the context of singlechip control chip U1 are all built on stilts; The model of described toggle switch S1 is SW-DIP8, and the model of the first exclusion RP1 and the second exclusion RP2 is resistance value 5.1K, and the model of memory U5 is FM25VN10;
Described solar panel power module comprises solar panel, power circuit, wherein power circuit comprises interface circuit, DC turns DC circuit, 3.3V becomes 5V buffer circuit, transmitter power supply circuits, interface circuit comprises interface P1, resistance R1, diode D1, DC turns DC circuit and comprises fuse F1, electric capacity C1 ~ C8, the second chip U2,3.3V becomes 5V buffer circuit and comprises the 6th chip U6, electric capacity C25 ~ C26, resistance R23, and transmitter power supply circuits comprise the 3rd chip U3, fuse F2, electric capacity C9, bidirectional diode TV1; Solar panels V-SOLAR is met, the second pin ground connection after first pin of first interface P1 is connected with one end of the first resistance R1; The other end of the first resistance R1 is connected with the anode of the first diode D1; One end that negative electrode and the DC of the first diode D1 turn the first fuse F1 in DC circuit is connected; One end of the other end of the first fuse F1 and the positive pole of the first electric capacity C1, the second electric capacity C2, one end of the 3rd electric capacity C3, one end of the 4th electric capacity C4, the three-prong (Vin pin) of the second chip U2 connect first pin (Vin pin) of the 3rd chip U3 after being connected; One end of second pin (Vout pin) of the second chip U2 and the positive pole of the 5th electric capacity C5, the 6th electric capacity C6, one end of the 7th electric capacity C7, one end of the 8th electric capacity C8 meet external power supply VCC after being connected; Ground connection after the other end of first pin (GND pin) of the second chip U2 and the negative pole of the first electric capacity C1, the second electric capacity C2, the other end of the 3rd electric capacity C3, the other end of the 4th electric capacity C4, the negative pole of the 5th electric capacity C5, the other end of the 6th electric capacity C6, the other end of the 7th electric capacity C7, the other end of the 8th electric capacity C8 are connected; First pin (GND pin) ground connection of the 6th chip U6, second pin (Vin pin) is connected with external power supply VCC, the negative pole of three-prong (V0 pin) and the 26 electric capacity C26, one end of the 23 resistance R23, one end of the 25 electric capacity R25 are connected and ground connection, and the positive pole of the 4th pin (V+ pin) and the 26 electric capacity C26, the other end of the 23 resistance R23, the other end of the 25 resistance R25 meet external power supply VCC2 after being connected; Second pin (GND pin) ground connection of the 3rd chip U3, three-prong (VOUT pin) is connected with one end of the second fuse F2; As feeder ear 24V-0 after the other end of the second fuse F2 is connected with the positive pole of one end of the first bidirectional diode TV1, the 9th electric capacity C9, the other end of the first bidirectional diode TV1 is connected with the negative pole of the 9th electric capacity C9 and ground connection;
The model of the second described chip U2 is K7803, and the model of the 3rd chip U3 is LM7824, and the model of the 6th chip U6 is B0305S.Described parameter acquisition module comprises current collection circuit, voltage collection circuit, irradiance sensor, temperature sensor, wherein current collection circuit comprises the 4th chip U4, resistance R3 ~ R4, electric capacity C10 ~ C11, voltage stabilizing didoe Z1, interface P2, voltage collection circuit comprises resistance R5 ~ R6, voltage stabilizing didoe Z2, electric capacity C12, irradiance sensor comprises interface P4, diode D3, voltage stabilizing didoe Z3, resistance R18 ~ R19, and temperature sensor comprises the 8th chip U8, resistance R7; First pin (RS+ pin) of the 4th chip U4 is connected with one end of the second pin (VCC pin), solar panel V-SOLAR, the tenth electric capacity C10, one end of the 3rd resistance R3; 4th pin (GND pin) of the 4th chip U4 is connected rear ground connection with the other end of the tenth electric capacity C10; As loading interfaces after 8th pin (RS-pin) of the 4th chip U4 is connected with the other end of the 3rd resistance R3, first pin of the second interface P2; The second pin ground connection of the second interface P2; 5th pin (OUT pin) of the 4th chip U4 is connected with one end of the 4th resistance R4; The other end of the 4th resistance R4 connects the 19 pin (PB1 pin) of singlechip control chip U1 after being connected with the negative electrode of one end of the 11 electric capacity C11, the first voltage stabilizing didoe Z1; The other end of the 11 electric capacity C11 is connected with the anode of the first voltage stabilizing didoe Z1 and ground connection; The one termination solar panel V-SOLAR of the 5th resistance R5, one end of the other end and the 6th resistance R6, the negative electrode of the second voltage stabilizing didoe Z2, one end of the 12 electric capacity C12 meet solar panel V-SOLAR after being connected; The other end of the 6th resistance R6 is connected with the anode of the second voltage stabilizing didoe Z2, the other end of the 12 electric capacity C12 and ground connection; One end of 18 resistance R18 is connected with the feeder ear 24V-O of solar panel power module, and the other end is connected with the anode of the 3rd diode D3; The negative electrode of the 3rd diode D3 is connected with first pin of the 4th interface P4; The tenth pin (PA0 pin) of singlechip control chip U1 is connect after second pin of the 4th interface P4 is connected with the negative electrode of the 3rd voltage stabilizing didoe Z3, one end of the 19 resistance R19; The anode of the 3rd voltage stabilizing didoe Z3 is connected with the other end of the 19 resistance R19 and ground connection; First pin (GND pin) ground connection of the 8th chip U8, connect the 40 three-prong (PB7 pin) of singlechip control chip U1 after second pin (DQ pin) is connected with one end of the 7th resistance R7, after three-prong (VCC pin) is connected with the other end of the 7th resistance R7, meet external power supply VCC;
The model of the 4th described chip U4 is MAX4080-TASA, and the model of the 8th chip U8 is DS18B20.
Described communication module comprises wire communication module, wireless communication module, interface P5, wherein wire communication RS485 module comprises the 7th chip U7, resistance R24 ~ R27, bidirectional diode TV2 ~ TV4, fuse F3 ~ F4, electric capacity C27 ~ C28, and wireless communication module comprises wireless chip JC, external power supply VCC is met after first pin (VDD1 pin) of the 7th chip U7 is connected with one end of the 27 electric capacity C27, external power supply VCC2 is met after 16 pin (VDD2 pin) is connected with one end of the 28 electric capacity C28, ground connection after second pin (GND1 pin) is connected with the other end of the 27 electric capacity C27, ground connection after 15 pin (GND2 pin) is connected with the other end of the 28 electric capacity C28, 8th, nine pin (GND1, GND2 pin) ground connection, 3rd, six pin (RXD, TXD pin) respectively with the tenth three-prong (PA3 pin) of singlechip control chip U1, 12 pin (PA2 pin) is connected, 4th pin (
pin) be connected with the 5th pin (DE pin) after connect the 11 pin (PA1 pin) of singlechip control chip U1,7th pin (PV pin) is connected with the other end of the 14 resistance R14 in singlechip minimum system circuit, 12 pin (A pin) is connected with one end of the 25 resistance R25, tenth three-prong (B pin) is connected with one end of the 24 resistance R24, meet external power supply VCC2 after 16 pin is connected with the other end of the 28 electric capacity C28, other pins are maked somebody a mere figurehead, one end of the other end of the 24 resistance R24 and one end of the 26 resistance R26, the second bidirectional diode TV2, one end of the 3rd bidirectional diode TV3, one end of the 3rd fuse F3 are connected, the other end of the other end of the 25 resistance R25 and the other end of the 26 resistance R26, the 3rd bidirectional diode TV3, one end of the 4th bidirectional diode TV4, one end of the 4th fuse F4 are connected, with connecing shell PGND after the other end of another termination enclosure ground PGND, the 4th bidirectional diode TV4 of the second bidirectional diode TV2 is connected with one end of the 27 resistance R27, first pin of wireless chip JC meets power supply VCC, second pin ground connection, fourth, fifth pin is connected with the other end of the 13 resistance R13, the other end of the 12 resistance R12 in singlechip minimum system circuit respectively, and the 6th, seven pins are connected with the 46 pin PB9, the 45 pin PB8 of singlechip control chip U1 respectively, the other end of the 3rd fuse F3 is connected with first and third pin of the 5th interface P5, and the other end of the 4th fuse F4 is connected with second, four pin of the 5th interface P5, the other end ground connection of the 27 resistance R27.
The model of the 7th described chip U7 is ADM2483, and the model of wireless chip JC is CC1101, and the model of the 5th interface P5 is RS485.
The model of fuse F3 ~ F4 used is SMD0805-010, and the model of bidirectional diode TV2 ~ TV4 is SMBJ10CA.
The course of work is as follows: parameter acquisition module comprises irradiance sensor, temperature sensor, voltage collection circuit, current collection circuit, the analog quantity such as photovoltaic intensity, temperature, voltage, electric current collected is become digital quantity by them after A/D conversion, and these digital quantities are passed to data processing module, the data after process can be transferred to base station by wireless communication module or wire communication module by data processing module; Data processing module can store data in memory simultaneously, and user can enquiry of historical data.The solar panel power module of whole node circuit be all by solar panel through power circuit convert to system can power supply.
The beneficial effects of the utility model are:
1, incorporation engineering is actual, the utility model proposes new evaluation index, distributed photovoltaic power generation system operational parameters is set up assessment indicator system, compensate for the feature that index in existing system is single, systematicness is not strong.
2, the utility model according to different customer demand, can be provided personalized service, and allows COS hommization more, variation.
3, native system can build a whole set of Database Systems, achieves the storage to photovoltaic resources information, voltage, electric current, temperature, irradiance and statistical analysis, and for power grid control, formulate generation schedule, economy and technology assessment provide key message.
4, system configuration provided by the utility model is simple, easy to operate, is easy to safeguard, can embed in various photovoltaic array.
5, by multiple mechanics of communication, realize the real-time Transmission of field monitoring data, ensure that reliability and the real-time of transfer of data, and record can be carried out to historical data, to carry out Performance Evaluation and failure diagnosis to system.
6, the utility model system can realize photovoltaic distributed power generation, and unified parameters is monitored, and range of application is wide.
Accompanying drawing explanation
Fig. 1 is the utility model system diagram;
Fig. 2 is the circuit diagram of singlechip minimum system circuit, and wherein a is singlechip control chip partial circuit, and b is filter capacitor partial circuit, and c is RTC battery compartment circuit, and d is SWD interface section circuit, and e is start-up mode partial circuit; Fig. 3 is the circuit diagram of single-chip microcomputer extension functional circuit, and wherein a is address setting section circuit, and b is ferroelectric FRAM partial circuit, and c is key part circuit, and d is buzzer partial circuit, and e is indicator light partial circuit;
Fig. 4 is the circuit diagram of power circuit, and wherein a is for connecing solar panels partial circuit, and b is that gold rises positive DC/DC module section circuit, and c is that gold rises formpiston block 3.3V change 5V isolated part circuit, and d is transformer-supplied partial circuit;
Fig. 5 is the circuit diagram of parameter acquisition module, and wherein a is current detecting partial circuit, and b is voltage detection department parallel circuit, and c is irradiation transducer portion circuit, and d is temperature detecting part parallel circuit;
Fig. 6 is the circuit diagram of communication module, and wherein a is wire communication partial circuit, and b is wireless communication part parallel circuit, and c is interface section circuit.
Embodiment
Below, by reference to the accompanying drawings the utility model patent is described further.
As shown in Figure 1, a kind of photovoltaic monitoring system node circuit based on Internet of Things of the utility model, comprise parameter acquisition module, data processing module, solar panel power module, communication module, memory, wherein parameter acquisition module comprises irradiance sensor, temperature sensor, voltage collection circuit, current collection circuit, and communication module mainly comprises wireless communication module, wire communication module; The output of parameter acquisition module is connected with the input of data processing module, three outputs of data processing module are connected with the input of memory, the input of wireless communication module, the input end signal of wire communication module respectively, and solar panel power module is parameter acquisition module, data processing module, communication module are powered.
Described data processing module comprises singlechip minimum system circuit, single-chip microcomputer extension functional circuit;
As shown in Figure 2, described singlechip minimum system circuit comprises singlechip control chip U1, filter circuit, RTC battery B0, SWD interface P3, start-up mode circuit, crystal oscillator Y1 ~ Y2, resistance R9 ~ R14, R28, electric capacity C13 ~ C15, C22 ~ C23, wherein filter circuit comprises electric capacity C16 ~ C21, and start-up mode circuit comprises resistance R15 ~ R17, 5th pin (PD0 input pin) of singlechip control chip U1 is connected with one end of the 28 resistance R28, one end of the first crystal oscillator Y1, one end of the 13 electric capacity C13, 6th pin (PD0 output pin) of singlechip control chip U1 is connected with one end of the 11 resistance R11, and the other end of the 11 resistance R11 is connected with the other end of the 28 resistance R28, the other end of the first crystal oscillator Y1, one end of the 14 electric capacity C14, the three-prong (PC14 pin) of singlechip control chip U1 is connected with one end of the 23 electric capacity C23, one end of the second crystal oscillator Y2, 4th pin (PC15 pin) of singlechip control chip U1 is connected with the other end of crystal oscillator Y2, one end of the 22 electric capacity C22, 7th pin (NRST pin) of singlechip control chip U1 is connected with one end of the tenth resistance R10, one end of the 15 electric capacity C15, first pin (VBAT pin) of singlechip control chip U1 is connected with the positive pole VBAT of RTC battery B0, 34 pin (PA13 pin) of singlechip control chip U1, the 37 pin (PA14 pin) are connected with SWD interface P3 second pin, three-prong respectively, 44 pin (BOOT0 pin) of singlechip control chip U1 is connected with one end BOOT0 of the 16 resistance R16 in start-up mode circuit, another termination external power supply VCC of the tenth resistance R10, 9th pin (VDDA pin) of singlechip control chip U1, 24 pin (VDD-1 pin), 36 pin (VDD-2 pin), 48 pin (VDD-3 pin) meets external power supply VCC after connecting, one end of 16 electric capacity C16, one end of 17 electric capacity C17, one end of 18 electric capacity C18, one end of 19 electric capacity C19, one end of 20 electric capacity C20, external power supply VCC is met after one end connection of the 21 electric capacity C21, the one termination external power supply VCC of the 15 resistance R15, first pin of SWD interface P3 meets external power supply VCC, the other end of the 13 electric capacity C13 is connected rear ground connection with the other end of the 14 electric capacity C14, the other end of the 16 electric capacity C16, the other end of the 17 electric capacity C17, the other end of the 18 electric capacity C18, the other end of the 19 electric capacity C19, the other end of the 20 electric capacity C20, the other end of the 21 electric capacity C21 connects rear ground connection, the minus earth of RTC battery, 4th pin ground connection of SWD interface, one end ground connection of the 17 resistance R17, 20 three-prong (VSS-1 pin) of singlechip control chip U1, 35 pin (VSS-2 pin), 47 pin (VSS-3 pin), ground connection after 8th pin (VSS A pin) connects, the other end of the 22 electric capacity C22 is connected rear ground connection with the other end of the 23 electric capacity C23, the other end ground connection of the 15 electric capacity C15, one end ground connection of the 9th resistance R9, the other end of the 16 resistance R16, the other end of the 17 resistance R17 connect the other end of the 15 resistance R15 after connecting, 20 pin (PB2 pin) of singlechip control chip U1 is connected with the other end of the 9th resistance R9, 29 pin (PA8 pin) of singlechip control chip U1 is connected with one end of the 14 resistance R14, 30 pin (PA9 pin) of singlechip control chip U1 is connected with one end of the 13 resistance R13, 31 pin (PA10 pin) of singlechip control chip U1 is connected with one end of the 12 resistance R12, other are all built on stilts for the pin be mentioned to unless the context of singlechip control chip U1, the model of singlechip control chip U1 is STM32F103C6T6A or STM32F103C8T6,
As shown in Figure 3, described single-chip microcomputer extension functional circuit comprises address setting circuit, ferroelectric FRAM module, key-press module, buzzer module, indicating lamp module, wherein address setting circuit comprises toggle switch S1, the first exclusion RP1, the second exclusion RP2, ferroelectric FRAM module comprises memory U5, electric capacity C24, key-press module comprises button K1 ~ K3, resistance R20 ~ R22, buzzer module comprises buzzer B1, diode D2, resistance R2, R8, triode Q1, and indicating lamp module comprises three LED 1 ~ LED3; In address setting circuit toggle switch S1 first, second, third and fourth, five, six, seven, eight pins are connected with external power supply VCC; In the setting of address toggle switch S1 the 9th, ten, 11,12 pins respectively with the 7th of the second exclusion RP2, five, three, a pin is connected, the 13,14,15,16 pins and the first exclusion RP1 the 7th, five, three, a pin is connected; Second, four, six, eight pins of the first exclusion RP1 are connected with the 45 pin (PB8 pin) of singlechip control chip U1, the 46 pin (PB9 pin), the 21 pin (PB10 pin), the 22 pin (PB11 pin) respectively, and second, four, six, eight pins of the second exclusion RP2 are connected with the 25 pin (PB12 pin) of singlechip control chip U1, the 26 pin (PB13 pin), the 27 pin (PB14 pin), the 28 pin (PB15 pin) respectively; 4th pin (VSS pin) of memory U5, the equal ground connection in one end of the 24 electric capacity C24; External power supply VCC is met after 8th pin (VDD pin) of memory U5 is connected with the other end of the 24 electric capacity C24; Memory U5 first and second, five, six pins (
, O, D, C pin) be connected with the 14 pin (PA4 pin) of singlechip control chip U1, the 16 pin (PA6 pin), the 17 pin (PA7 pin), the 15 pin (PA5 pin) respectively, the three-prong of memory U5 (
pin) meet external power supply VCC, the 7th pin of memory U5 (
pin) built on stilts; One end of button K1, K2, K3 is connected with earth terminal GND, and the other end is connected with one end of the 20 resistance R20, one end of the 21 resistance R21, one end of the 22 resistance R22 respectively; The another one end of the other end of the 20 resistance R20, the other end of the 21 resistance R21, the 22 resistance R22 is connected with the 32 pin (PA11 pin) of singlechip control chip U1, the 30 three-prong (PA12 pin), the 38 pin pin (PA15 pin) respectively; Meet external power supply VCC after one end of buzzer B1 is connected with the negative electrode of the second diode D2, the other end is connected with the anode of the second diode D2, one end of the 8th resistance R8; The other end of the 8th resistance R8 is connected with the collector electrode of the first triode Q1, grounded emitter, and base stage is connected with one end of the second resistance R2; The other end of the second resistance R2 is connected with the 42 pin (PB6 pin) of singlechip control chip U1; The anode of first, second and third LED 1, LED2, LED3 is connected with external power supply VCC, and negative electrode is connected with the 26 pin (PB13 pin) of singlechip control chip U1, the 27 pin (PB14 pin), the 28 pin (PB15 pin) respectively; 18 pin (PB0 pin) of singlechip control chip U1 meets solar panel V-SOLAR; Other pins be mentioned to unless the context of singlechip control chip U1 are all built on stilts; The model of described toggle switch S1 is SW-DIP8, and the model of the first exclusion RP1 and the second exclusion RP2 is resistance value 5.1K, and the model of memory U5 is FM25VN10;
Described solar panel power module comprises solar panel, power circuit, wherein as shown in Figure 4, power circuit comprises interface circuit, DC turns DC circuit, 3.3V becomes 5V buffer circuit, transmitter power supply circuits, interface circuit comprises interface P1, resistance R1, diode D1, DC turns DC circuit and comprises fuse F1, electric capacity C1 ~ C8, the second chip U2,3.3V becomes 5V buffer circuit and comprises the 6th chip U6, electric capacity C25 ~ C26, resistance R23, and transmitter power supply circuits comprise the 3rd chip U3, fuse F2, electric capacity C9, bidirectional diode TV1; Solar panels V-SOLAR is met, the second pin ground connection after first pin of first interface P1 is connected with one end of the first resistance R1; The other end of the first resistance R1 is connected with the anode of the first diode D1; One end that negative electrode and the DC of the first diode D1 turn the first fuse F1 in DC circuit is connected; One end of the other end of the first fuse F1 and the positive pole of the first electric capacity C1, the second electric capacity C2, one end of the 3rd electric capacity C3, one end of the 4th electric capacity C4, the three-prong (Vin pin) of the second chip U2 connect first pin (Vin pin) of the 3rd chip U3 after being connected; One end of second pin (Vout pin) of the second chip U2 and the positive pole of the 5th electric capacity C5, the 6th electric capacity C6, one end of the 7th electric capacity C7, one end of the 8th electric capacity C8 meet external power supply VCC after being connected; Ground connection after the other end of first pin (GND pin) of the second chip U2 and the negative pole of the first electric capacity C1, the second electric capacity C2, the other end of the 3rd electric capacity C3, the other end of the 4th electric capacity C4, the negative pole of the 5th electric capacity C5, the other end of the 6th electric capacity C6, the other end of the 7th electric capacity C7, the other end of the 8th electric capacity C8 are connected; First pin (GND pin) ground connection of the 6th chip U6, second pin (Vin pin) is connected with external power supply VCC, the negative pole of three-prong (V0 pin) and the 26 electric capacity C26, one end of the 23 resistance R23, one end of the 25 electric capacity R25 are connected and ground connection, and the positive pole of the 4th pin (V+ pin) and the 26 electric capacity C26, the other end of the 23 resistance R23, the other end of the 25 resistance R25 meet external power supply VCC2 after being connected; Second pin (GND pin) ground connection of the 3rd chip U3, three-prong (VOUT pin) is connected with one end of the second fuse F2; As feeder ear 24V-0 after the other end of the second fuse F2 is connected with the positive pole of one end of the first bidirectional diode TV1, the 9th electric capacity C9, the other end of the first bidirectional diode TV1 is connected with the negative pole of the 9th electric capacity C9 and ground connection;
The model of the second described chip U2 is K7803, and the model of the 3rd chip U3 is LM824, and the model of the 6th chip U6 is B0305S.
As shown in Figure 5, described parameter acquisition module comprises current collection circuit, voltage collection circuit, irradiance sensor, temperature sensor, wherein current collection circuit comprises the 4th chip U4, resistance R3 ~ R4, electric capacity C10 ~ C11, voltage stabilizing didoe Z1, interface P2, voltage collection circuit comprises resistance R5 ~ R6, voltage stabilizing didoe Z2, electric capacity C12, irradiance sensor comprises interface P4, diode D3, voltage stabilizing didoe Z3, resistance R18 ~ R19, and temperature sensor comprises the 8th chip U8, resistance R7; First pin (RS+ pin) of the 4th chip U4 is connected with one end of the second pin (VCC pin), solar panel V-SOLAR, the tenth electric capacity C10, one end of the 3rd resistance R3; 4th pin (GND pin) of the 4th chip U4 is connected rear ground connection with the other end of the tenth electric capacity C10; As loading interfaces after 8th pin (RS-pin) of the 4th chip U4 is connected with the other end of the 3rd resistance R3, first pin of the second interface P2; The second pin ground connection of the second interface P2; 5th pin (OUT pin) of the 4th chip U4 is connected with one end of the 4th resistance R4; The other end of the 4th resistance R4 connects the 19 pin (PB1 pin) of singlechip control chip U1 after being connected with the negative electrode of one end of the 11 electric capacity C11, the first voltage stabilizing didoe Z1; The other end of the 11 electric capacity C11 is connected with the anode of the first voltage stabilizing didoe Z1 and ground connection; The one termination solar panel V-SOLAR of the 5th resistance R5, one end of the other end and the 6th resistance R6, the negative electrode of the second voltage stabilizing didoe Z2, one end of the 12 electric capacity C12 meet solar panel V-SOLAR after being connected; The other end of the 6th resistance R6 is connected with the anode of the second voltage stabilizing didoe Z2, the other end of the 12 electric capacity C12 and ground connection; One end of 18 resistance R18 is connected with the feeder ear 24V-O of solar panel power module, and the other end is connected with the anode of the 3rd diode D3; The negative electrode of the 3rd diode D3 is connected with first pin of the 4th interface P4; The tenth pin (PA0 pin) of singlechip control chip U1 is connect after second pin of the 4th interface P4 is connected with the negative electrode of the 3rd voltage stabilizing didoe Z3, one end of the 19 resistance R19; The anode of the 3rd voltage stabilizing didoe Z3 is connected with the other end of the 19 resistance R19 and ground connection; First pin (GND pin) ground connection of the 8th chip U8, connect the 40 three-prong (PB7 pin) of singlechip control chip U1 after second pin (DQ pin) is connected with one end of the 7th resistance R7, after three-prong (VCC pin) is connected with the other end of the 7th resistance R7, meet external power supply VCC;
The model of the 4th described chip U4 is MAX4080-TASA, and the model of the 8th chip U8 is DS18B20.
As shown in Figure 6, described communication module comprises wire communication module, wireless communication module, interface P5, wherein wire communication RS485 module comprises the 7th chip U7, resistance R24 ~ R27, bidirectional diode TV2 ~ TV4, fuse F3 ~ F4, electric capacity C27 ~ C28, and wireless communication module comprises wireless chip JC, external power supply VCC is met after first pin (VDD1 pin) of the 7th chip U7 is connected with one end of the 27 electric capacity C27, external power supply VCC2 is met after 16 pin (VDD2 pin) is connected with one end of the 28 electric capacity C28, ground connection after second pin (GND1 pin) is connected with the other end of the 27 electric capacity C27, ground connection after 15 pin (GND2 pin) is connected with the other end of the 28 electric capacity C28, 8th, nine pin (GND1, GND2 pin) ground connection, 3rd, six pin (RXD, TXD pin) respectively with the tenth three-prong (PA3 pin) of singlechip control chip U1, 12 pin (PA2 pin) is connected, 4th pin (
pin) be connected with the 5th pin (DE pin) after connect the 11 pin (PA1 pin) of singlechip control chip U1,7th pin (PV pin) is connected with the other end of the 14 resistance R14 in singlechip minimum system circuit, 12 pin (A pin) is connected with one end of the 25 resistance R25, tenth three-prong (B pin) is connected with one end of the 24 resistance R24, meet external power supply VCC2 after 16 pin is connected with the other end of the 28 electric capacity C28, other pins are maked somebody a mere figurehead, one end of the other end of the 24 resistance R24 and one end of the 26 resistance R26, the second bidirectional diode TV2, one end of the 3rd bidirectional diode TV3, one end of the 3rd fuse F3 are connected, the other end of the other end of the 25 resistance R25 and the other end of the 26 resistance R26, the 3rd bidirectional diode TV3, one end of the 4th bidirectional diode TV4, one end of the 4th fuse F4 are connected, with connecing shell PGND after the other end of another termination enclosure ground PGND, the 4th bidirectional diode TV4 of the second bidirectional diode TV2 is connected with one end of the 27 resistance R27, first pin of wireless chip JC meets power supply VCC, second pin ground connection, fourth, fifth pin is connected with the other end of the 13 resistance R13, the other end of the 12 resistance R12 in singlechip minimum system circuit respectively, and the 6th, seven pins are connected with the 46 pin PB9, the 45 pin PB8 of singlechip control chip U1 respectively, the other end of the 3rd fuse F3 is connected with first and third pin of the 5th interface P5, and the other end of the 4th fuse F4 is connected with second, four pin of the 5th interface P5, the other end ground connection of the 27 resistance R27.
The model of the 7th described chip U7 is ADM2483, and the model of wireless chip JC is CC1101, and the model of the 5th interface P5 is RS485.
The model of fuse F3 ~ F4 used is SMD0805-010, and the model of bidirectional diode TV2 ~ TV4 is SMBJ10CA.
The course of work is as follows: parameter acquisition module comprises irradiance sensor, temperature sensor, voltage collection circuit, current collection circuit, the analog quantity such as photovoltaic intensity, temperature, voltage, electric current collected is become digital quantity by them after A/D conversion, and these digital quantities are passed to data processing module, the data after process can be transferred to base station by wireless communication module or wire communication module by data processing module; Data processing module can store data in memory simultaneously, and user can enquiry of historical data.The solar panel power module of whole node circuit be all by solar panel through power circuit convert to system can power supply.
Above-described embodiment is not that the utility model is not limited only to above-described embodiment for restriction of the present utility model, as long as meet the utility model requirement, all belongs to protection range of the present utility model.
Claims (5)
1. based on the photovoltaic monitoring system node circuit of Internet of Things, it is characterized in that comprising parameter acquisition module, data processing module, solar panel power module, communication module, memory, wherein parameter acquisition module comprises irradiance sensor, temperature sensor, voltage collection circuit, current collection circuit, and communication module mainly comprises wireless communication module, wire communication module; The output of parameter acquisition module is connected with the input of data processing module, three outputs of data processing module are connected with the input of memory, the input of wireless communication module, the input end signal of wire communication module respectively, and solar panel power module is parameter acquisition module, data processing module, communication module are powered.
2., as claimed in claim 1 based on the photovoltaic monitoring system node circuit of Internet of Things, it is characterized in that described data processing module comprises singlechip minimum system circuit, single-chip microcomputer extension functional circuit;
Described singlechip minimum system circuit comprises singlechip control chip U1, filter circuit, RTC battery B0, SWD interface P3, start-up mode circuit, crystal oscillator Y1 ~ Y2, resistance R9 ~ R14, R28, electric capacity C13 ~ C15, C22 ~ C23, wherein filter circuit comprises electric capacity C16 ~ C21, and start-up mode circuit comprises resistance R15 ~ R17, 5th pin of singlechip control chip U1 is connected with one end of the 28 resistance R28, one end of the first crystal oscillator Y1, one end of the 13 electric capacity C13, 6th pin of singlechip control chip U1 is connected with one end of the 11 resistance R11, and the other end of the 11 resistance R11 is connected with the other end of the 28 resistance R28, the other end of the first crystal oscillator Y1, one end of the 14 electric capacity C14, the three-prong of singlechip control chip U1 is connected with one end of one end of the 23 electric capacity C23, the second crystal oscillator Y2, 4th pin of singlechip control chip U1 is connected with the other end of crystal oscillator Y2, one end of the 22 electric capacity C22, 7th pin of singlechip control chip U1 is connected with one end of the tenth resistance R10, one end of the 15 electric capacity C15, first pin of singlechip control chip U1 is connected with the positive pole VBAT of RTC battery B0, 34 pin, the 37 pin of singlechip control chip U1 are connected with SWD interface P3 second pin, three-prong respectively, 44 pin of singlechip control chip U1 is connected with one end BOOT0 of the 16 resistance R16 in start-up mode circuit, another termination external power supply VCC of the tenth resistance R10,9th pin of singlechip control chip U1, the 24 pin, the 36 pin, the 48 pin meet external power supply VCC after connecting, one end of one end of one end of 16 electric capacity C16, one end of the 17 electric capacity C17, the 18 electric capacity C18, one end of the 19 electric capacity C19, the 20 electric capacity C20, one end of the 21 electric capacity C21 meet external power supply VCC after connecting, the one termination external power supply VCC of the 15 resistance R15, first pin of SWD interface P3 meets external power supply VCC, the other end of the 13 electric capacity C13 is connected rear ground connection with the other end of the 14 electric capacity C14, the other end of the 16 electric capacity C16, the other end of the 17 electric capacity C17, the other end of the 18 electric capacity C18, the other end of the 19 electric capacity C19, the other end of the 20 electric capacity C20, the other end of the 21 electric capacity C21 connects rear ground connection, the minus earth of RTC battery, 4th pin ground connection of SWD interface, one end ground connection of the 17 resistance R17, 20 three-prong of singlechip control chip U1, 35 pin, 47 pin, ground connection after 8th pin connects, the other end of the 22 electric capacity C22 is connected rear ground connection with the other end of the 23 electric capacity C23, the other end ground connection of the 15 electric capacity C15, one end ground connection of the 9th resistance 9, the other end of the 16 resistance R16, the other end of the 17 resistance R17 connect the other end of the 15 resistance R15 after connecting, 20 pin of singlechip control chip U1 is connected with the other end of the 9th resistance R9, 29 pin of singlechip control chip U1 is connected with one end of the 14 resistance R14, 30 pin of singlechip control chip U1 is connected with one end of the 13 resistance R13, 31 pin of singlechip control chip U1 is connected with one end of the 12 resistance R12, other are all built on stilts for the pin be mentioned to unless the context of singlechip control chip U1, the model of singlechip control chip U1 is STM32F103C6T6A or STM32F103C8T6,
Described single-chip microcomputer extension functional circuit comprises address setting circuit, ferroelectric FRAM module, key-press module, buzzer module, indicating lamp module, wherein address setting circuit comprises toggle switch S1, the first exclusion RP1, the second exclusion RP2, ferroelectric FRAM module comprises memory U5, electric capacity C24, key-press module comprises button K1 ~ K3, resistance R20 ~ R22, buzzer module comprises buzzer B1, diode D2, resistance R2, R8, triode Q1, and indicating lamp module comprises three LED 1 ~ LED3; In address setting circuit toggle switch S1 first, second, third and fourth, five, six, seven, eight pins are connected with external power supply VCC; In the setting of address toggle switch S1 the 9th, ten, 11,12 pins respectively with the 7th of the second exclusion RP2, five, three, a pin is connected, the 13,14,15,16 pins and the first exclusion RP1 the 7th, five, three, a pin is connected; Second, four, six, eight pins of the first exclusion RP1 are connected with the 45 pin of singlechip control chip U1, the 46 pin, the 21 pin, the 22 pin respectively, and second, four, six, eight pins of the second exclusion RP2 are connected with the 25 pin of singlechip control chip U1, the 26 pin, the 27 pin, the 28 pin respectively; 4th pin of memory U5, the equal ground connection in one end of the 24 electric capacity C24; External power supply VCC is met after 8th pin of memory U5 is connected with the other end of the 24 electric capacity C24; Memory U5 first and second, five, six pins are connected with the 14 pin of singlechip control chip U1, the 16 pin, the 17 pin, the 15 pin respectively, the three-prong of memory U5 meets external power supply VCC, and the 7th pin of memory U5 is maked somebody a mere figurehead; One end of button K1, K2, K3 is connected with earth terminal GND, and the other end is connected with one end of the 20 resistance R20, one end of the 21 resistance R21, one end of the 22 resistance R22 respectively; The another one end of the other end of the 20 resistance R20, the other end of the 21 resistance R21, the 22 resistance R22 is connected with the 32 pin of singlechip control chip U1, the 30 three-prong, the 38 pin pin respectively; Meet external power supply VCC after one end of buzzer B1 is connected with the negative electrode of the second diode D2, the other end is connected with the anode of the second diode D2, one end of the 8th resistance R8; The other end of the 8th resistance R8 is connected with the collector electrode of the first triode Q1, grounded emitter, and base stage is connected with one end of the second resistance R2; The other end of the second resistance R2 is connected with the 42 pin of singlechip control chip U1; The anode of first, second and third LED 1, LED2, LED3 is connected with external power supply VCC, and negative electrode is connected with the 26 pin of singlechip control chip U1, the 27 pin, the 28 pin respectively; 18 pin of singlechip control chip U1 meets solar panel V-SOLAR; Other pins be mentioned to unless the context of singlechip control chip U1 are all built on stilts; The model of described toggle switch S1 is SW-DIP8, and the model of the first exclusion RP1 and the second exclusion RP2 is resistance value 5.1K, and the model of memory U5 is FM25VN10.
3. as claimed in claim 1 based on the photovoltaic monitoring system node circuit of Internet of Things, it is characterized in that described solar panel power module comprises solar panel, power circuit, wherein power circuit comprises interface circuit, DC turns DC circuit, 3.3V becomes 5V buffer circuit, transmitter power supply circuits, interface circuit comprises interface P1, resistance R1, diode D1, DC turns DC circuit and comprises fuse F1, electric capacity C1 ~ C8, second chip U2, 3.3V becomes 5V buffer circuit and comprises the 6th chip U6, electric capacity C25 ~ C26, resistance R23, transmitter power supply circuits comprise the 3rd chip U3, fuse F2, electric capacity C9, bidirectional diode TV1, solar panels V-SOLAR is met, the second pin ground connection after first pin of first interface P1 is connected with one end of the first resistance R1, the other end of the first resistance R1 is connected with the anode of the first diode D1, one end that negative electrode and the DC of the first diode D1 turn the first fuse F1 in DC circuit is connected, one end of the other end of the first fuse F1 and the positive pole of the first electric capacity C1, the second electric capacity C2, one end of the 3rd electric capacity C3, one end of the 4th electric capacity C4, the three-prong of the second chip U2 connect first pin of the 3rd chip U3 after being connected, one end of second pin of the second chip U2 and the positive pole of the 5th electric capacity C5, the 6th electric capacity C6, one end of the 7th electric capacity C7, one end of the 8th electric capacity C8 meet external power supply VCC after being connected, ground connection after the other end of first pin of the second chip U2 and the negative pole of the first electric capacity C1, the second electric capacity C2, the other end of the 3rd electric capacity C3, the other end of the 4th electric capacity C4, the negative pole of the 5th electric capacity C5, the other end of the 6th electric capacity C6, the other end of the 7th electric capacity C7, the other end of the 8th electric capacity C8 are connected, the first pin ground connection of the 6th chip U6, second pin is connected with external power supply VCC, the negative pole of three-prong and the 26 electric capacity C26, one end of the 23 resistance R23, one end of the 25 electric capacity R25 are connected and ground connection, and the positive pole of the 4th pin and the 26 electric capacity C26, the other end of the 23 resistance R23, the other end of the 25 resistance R25 meet external power supply VCC2 after being connected, the second pin ground connection of the 3rd chip U3, three-prong is connected with one end of the second fuse F2, as feeder ear 24V-0 after the other end of the second fuse F2 is connected with the positive pole of one end of the first bidirectional diode TV1, the 9th electric capacity C9, the other end of the first bidirectional diode TV1 is connected with the negative pole of the 9th electric capacity C9 and ground connection,
The model of the second described chip U2 is K7803, and the model of the 3rd chip U3 is LM7824, and the model of the 6th chip U6 is B0305S.
4. as claimed in claim 1 based on the photovoltaic monitoring system node circuit of Internet of Things, it is characterized in that described parameter acquisition module comprises current collection circuit, voltage collection circuit, irradiance sensor, temperature sensor, wherein current collection circuit comprises the 4th chip U4, resistance R3 ~ R4, electric capacity C10 ~ C11, voltage stabilizing didoe Z1, interface P2, voltage collection circuit comprises resistance R5 ~ R6, voltage stabilizing didoe Z2, electric capacity C12, irradiance sensor comprises interface P4, diode D3, voltage stabilizing didoe Z3, resistance R18 ~ R19, temperature sensor comprises the 8th chip U8, resistance R7, first pin of the 4th chip U4 is connected with one end of the second pin, solar panel V-SOLAR, the tenth electric capacity C10, one end of the 3rd resistance R3, 4th pin of the 4th chip U4 is connected rear ground connection with the other end of the tenth electric capacity C10, as loading interfaces after 8th pin of the 4th chip U4 is connected with first pin of the other end of the 3rd resistance R3, the second interface P2, the second pin ground connection of the second interface P2, 5th pin of the 4th chip U4 is connected with one end of the 4th resistance R4, the other end of the 4th resistance R4 connects the 19 pin of singlechip control chip U1 after being connected with the negative electrode of one end of the 11 electric capacity C11, the first voltage stabilizing didoe Z1, the other end of the 11 electric capacity C11 is connected with the anode of the first voltage stabilizing didoe Z1 and ground connection, the one termination solar panel V-SOLAR of the 5th resistance R5, one end of the other end and the 6th resistance R6, the negative electrode of the second voltage stabilizing didoe Z2, one end of the 12 electric capacity C12 meet solar panel V-SOLAR after being connected, the other end of the 6th resistance R6 is connected with the anode of the second voltage stabilizing didoe Z2, the other end of the 12 electric capacity C12 and ground connection, one end of 18 resistance R18 is connected with the feeder ear 24V-O of solar panel power module, and the other end is connected with the anode of the 3rd diode D3, the negative electrode of the 3rd diode D3 is connected with first pin of the 4th interface P4, the tenth pin of singlechip control chip U1 is connect after second pin of the 4th interface P4 is connected with the negative electrode of the 3rd voltage stabilizing didoe Z3, one end of the 19 resistance R19, the anode of the 3rd voltage stabilizing didoe Z3 is connected with the other end of the 19 resistance R19 and ground connection, the first pin ground connection of the 8th chip U8, the second pin connects the 40 three-prong of singlechip control chip U1 after being connected with one end of the 7th resistance R7, three-prong meets external power supply VCC after being connected with the other end of the 7th resistance R7,
The model of the 4th described chip U4 is MAX4080-TASA, and the model of the 8th chip U8 is DS18B20.
5. as claimed in claim 1 based on the photovoltaic monitoring system node circuit of Internet of Things, it is characterized in that described communication module comprises wire communication module, wireless communication module, interface P5, wherein wire communication RS485 module comprises the 7th chip U7, resistance R24 ~ R27, bidirectional diode TV2 ~ TV4, fuse F3 ~ F4, electric capacity C27 ~ C28, and wireless communication module comprises wireless chip JC, external power supply VCC is met after first pin of the 7th chip U7 is connected with one end of the 27 electric capacity C27, external power supply VCC2 is met after 16 pin is connected with one end of the 28 electric capacity C28, ground connection after second pin is connected with the other end of the 27 electric capacity C27, ground connection after 15 pin is connected with the other end of the 28 electric capacity C28, 8th, nine pin ground connection, 3rd, six pins respectively with the tenth three-prong of singlechip control chip U1, 12 pin is connected, 4th pin connects the 11 pin of singlechip control chip U1 after being connected with the 5th pin, 7th pin is connected with the other end of the 14 resistance R14 in singlechip minimum system circuit, 12 pin is connected with one end of the 25 resistance R25, tenth three-prong is connected with one end of the 24 resistance R24, external power supply VCC2 is met after 16 pin is connected with the other end of the 28 electric capacity C28, other pins are maked somebody a mere figurehead, one end of the other end of the 24 resistance R24 and one end of the 26 resistance R26, the second bidirectional diode TV2, one end of the 3rd bidirectional diode TV3, one end of the 3rd fuse F3 are connected, the other end of the other end of the 25 resistance R25 and the other end of the 26 resistance R26, the 3rd bidirectional diode TV3, one end of the 4th bidirectional diode TV4, one end of the 4th fuse F4 are connected, with connecing shell PGND after the other end of another termination enclosure ground PGND, the 4th bidirectional diode TV4 of the second bidirectional diode TV2 is connected with one end of the 27 resistance R27, first pin of wireless chip JC meets power supply VCC, second pin ground connection, fourth, fifth pin is connected with the other end of the 13 resistance R13, the other end of the 12 resistance R12 in singlechip minimum system circuit respectively, and the 6th, seven pins are connected with the 46 pin PB9, the 45 pin PB8 of singlechip control chip U1 respectively, the other end of the 3rd fuse F3 is connected with first and third pin of the 5th interface P5, and the other end of the 4th fuse F4 is connected with second, four pin of the 5th interface P5, the other end ground connection of the 27 resistance R27,
The model of the 7th described chip U7 is ADM2483, and the model of wireless chip JC is CC1101, and the model of the 5th interface P5 is RS485;
The model of fuse F3 ~ F4 used is SMD0805-010, and the model of bidirectional diode TV2 ~ TV4 is SMBJ10CA.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109039270A (en) * | 2018-09-21 | 2018-12-18 | 杭州电子科技大学 | A kind of header box circuit of intelligent photovoltaic power station analog meter |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109039270A (en) * | 2018-09-21 | 2018-12-18 | 杭州电子科技大学 | A kind of header box circuit of intelligent photovoltaic power station analog meter |
| CN109039270B (en) * | 2018-09-21 | 2023-10-24 | 杭州电子科技大学 | Header box circuit of intelligent photovoltaic power station simulator |
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