CN208127974U - Off-network type intelligent solar controller - Google Patents
Off-network type intelligent solar controller Download PDFInfo
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- CN208127974U CN208127974U CN201820333091.4U CN201820333091U CN208127974U CN 208127974 U CN208127974 U CN 208127974U CN 201820333091 U CN201820333091 U CN 201820333091U CN 208127974 U CN208127974 U CN 208127974U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/56—Power conversion systems, e.g. maximum power point trackers
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Abstract
The utility model discloses a kind of off-network type intelligent solar controllers, reverse connection preventing lightning struck module is protected including PV, single channel BUCK is depressured energy-storage module, cell anti-reverse connects protective module, load control module, power supply module, MCU signal acquisition process module, RS485 communication module, USB charging module, current-voltage sampling module and liquid crystal LCD display module, PV protection reverse connection preventing lightning struck module is separately connected the end PV+ and the end PV-, cell anti-reverse connects protective module and is separately connected the end BAT+ and the end BAT-, load control module is separately connected the end L+ and the end L-, PV protects reverse connection preventing lightning struck module, cell anti-reverse connects protective module, power supply module and MCU signal acquisition process module are connect with single channel BUCK decompression energy-storage module.The utility model can promote the practicability that solar energy utilization ratio, guarantee system is reliable for operation, effectively improves solar power generation in practical applications.
Description
Technical field
The utility model relates to field of photovoltaic power generation, in particular to a kind of off-network type intelligent solar controller.
Background technique
Support energetically with country to solar energy renewable resource, meanwhile, today of Internet of Things rapid development, solar energy
Controller realizes that information-based, long-range management, intelligence are very practical, and the equipment such as computer, mobile phone can be used just in we
The state of solar recharging system can be monitored at any time.It only needs to solve the communication reliability guarantee between equipment and equipment to ask
Topic, and these problems are also broken through and optimization continuous, meanwhile, solar energy utilization ratio be also improved in continuous break through always, and
The project that we persistently study.
Utility model content
The technical problem to be solved by the present invention is in view of the above drawbacks of the prior art, provide a kind of energy promotion
Solar energy utilization ratio, guarantee system is reliable for operation, the off-network type of the practicability that effectively improves solar power generation in practical applications
Intelligent solar controller.
Technical solution adopted by the utility model to solve its technical problems is：Construct a kind of off-network type intelligent solar control
Device processed, including PV (photovoltaic) protection reverse connection preventing lightning struck module, single channel BUCK decompression energy-storage module, cell anti-reverse connect protection mould
Block, load control module, power supply module, MCU signal acquisition process module, RS485 communication module, USB charging module, electric current electricity
Sampling module and liquid crystal LCD display module are pressed, the PV protection reverse connection preventing lightning struck module is separately connected the end PV+ and the end PV-, institute
It states cell anti-reverse and connects protective module and be separately connected the end BAT+ and the end BAT-, the load control module is separately connected the end L+ and L-
End, the load control module also connects protective module with the cell anti-reverse respectively and power supply module is connect, and the PV protection is anti-
Be reversely connected anti-lightning strike module, cell anti-reverse connects protective module, power supply module and MCU signal acquisition process module with the single channel
BUCK is depressured energy-storage module connection, and the cell anti-reverse connects protective module, USB charging module and MCU signal acquisition process module
It is connect with the power supply module, the RS485 communication module is connected by UART interface and the MCU signal acquisition process module
Connect, the USB charging module, current-voltage sampling module and liquid crystal LCD display module with the MCU signal acquisition process mould
Block connection, the current-voltage sampling module are connect with the end PV+.
In off-network type intelligent solar controller described in the utility model, the RS485 communication module includes power supply
Conversion chip, the 4th connectivity port, third fuse, the 4th fuse, the 38th resistance, the 41st resistance, string is isolated
Port communications chip, the 7th photoelectrical coupler, the 9th photoelectrical coupler, the tenth photoelectrical coupler, the 33rd resistance, the 40th electricity
The second pin of resistance and the 45th resistance, the 4th connectivity port passes through the third fuse and the 38th electricity
One end of resistance connects, and the other end of the 38th resistance is connect with the 7th pin of the serial communication chip, and described the
First pin of four connectivity ports is connect with one end of the 4th fuse, the other end of the 4th fuse and described the
One end of 41 resistance connects, and the other end of the 41st resistance and the 6th pin of the serial communication chip connect
It connects, the 5th pin of the serial communication chip is connect with the 4th pin of the isolated from power conversion chip, and the serial ports is logical
8th pin of letter chip is connect with the 5th pin of the isolated from power conversion chip, and the first of the serial communication chip is drawn
Foot is connect with the cathode of light emitting diode in the 7th photoelectrical coupler, phototriode in the 7th photoelectrical coupler
Emitter is connect with the first pin of the isolated from power conversion chip, the collection of phototriode in the 7th photoelectrical coupler
Electrode is connect with one end of the 33rd resistance, the second pin and third pin of the serial communication chip with it is described
The emitter connection of phototriode in 9th photoelectrical coupler, in the 9th photoelectrical coupler anode of light emitting diode with
One end of 40th resistance connects, the 4th pin of the serial communication chip with it is photosensitive in the tenth photoelectrical coupler
The collector of triode connects, and the emitter of phototriode and the isolated from power convert core in the tenth photoelectrical coupler
4th pin of piece connects, one end of the anode of light emitting diode and the 45th resistance in the tenth photoelectrical coupler
Connection, the other end, the other end of the 40th resistance and the other end of the 45th resistance of the 33rd resistance be all connected with+
3.3V power supply.
In off-network type intelligent solar controller described in the utility model, the power supply module include second resistance,
4th resistance, the 5th resistance, the 6th resistance, the second triode, the 14th resistance, third photoelectrical coupler, the 9th resistance, third
Diode, the second zener diode, third metal-oxide-semiconductor, the 15th capacitor, the 19th resistance, four-operational amplifier, the 20th electricity
Resistance, the 21st resistance, twelfth resistor, thirteenth resistor, the 22nd fuse and the 23rd resistance, the 6th electricity
One end of resistance is connect with the 4th resistance, and one end of the 5th resistance is connect with the second resistance, the 6th resistance
The other end and the other end of the 5th resistance connect with the first pin of the isolated from power conversion chip, the two or three pole
The base stage of pipe is connect with one end of the 14th resistance, the other end of the 14th resistance and the one of the thirteenth resistor
End connection, the other end of the thirteenth resistor and one end of twelfth resistor are all connected with the+3.3V power supply, and the described 12nd
The other end of resistance is connect with the anode of light emitting diode in the third photoelectrical coupler, the collector of second triode
Connect with the cathode of light emitting diode in the third photoelectrical coupler, the emitter of second triode and the power supply every
The first pin connection from conversion chip, the collector of phototriode is respectively with the described 9th in the third photoelectrical coupler
One end of resistance is connected with the anode of third diode, the other end connection+12V power supply of the 9th resistance, the third light
The emitter of phototriode is connect with the anode of second zener diode in electric coupler；
The grid of the third metal-oxide-semiconductor respectively with the cathode of the third diode, the second zener diode cathode and
One end of 15th resistance connects, the source electrode of the third metal-oxide-semiconductor respectively with the other end of the 15th resistance, the 22nd
One end of fuse, the 20th resistance one end connected with one end of the 23rd resistance, the other end of the 20th resistance
It is connect with the non-inverting input terminal of the four-operational amplifier, the other end and the 4th operation of the 23rd resistance are put
The inverting input terminal connection of big device, the power pins of the four-operational amplifier respectively with one end of the 15th capacitor and
One end of 19th resistance connects, and the other end of the 15th capacitor and the first pin of the isolated from power conversion chip connect
It connects, the other end of the 19th resistance is connect with the 3.3V power supply, the grounding pin of the four-operational amplifier and institute
State the grounding pin connection of isolated from power conversion chip, the output end of the four-operational amplifier and the 21st resistance
Connection.
In off-network type intelligent solar controller described in the utility model, the single channel BUCK is depressured energy-storage module packet
Include the first transformer, the tenth diode, the 12nd diode, the 4th inductance, the 11st driving photoelectrical coupler, the 15th pole
Pipe, the 5th metal-oxide-semiconductor, the 57th resistance, the 7th inductance, the 54th capacitor, the 56th electrolytic capacitor, the 44th electrolysis
Capacitor, the 47th capacitor and the 16th diode, the 12nd pin and the tenth diode of first transformer
Anode connection, the cathode of the tenth diode connect with one end of the 4th inductance, the other end of the 4th inductance and
The 16th pin connection of the 11st driving photoelectrical coupler, the 11st pin and the described tenth of first transformer
The cathode of two diodes connects, and the anode of the 12nd diode draws with the 14th of the 11st driving photoelectrical coupler
15th pin of foot connection, the 11st driving photoelectrical coupler is connect with the cathode of the 15th diode, described
The anode of 15th diode is connect with the grid of one end of the 57th resistance and the 5th metal-oxide-semiconductor respectively, and the described 5th
The drain electrode of metal-oxide-semiconductor is connect with one end of the anode of the 44th capacitor and the 47th capacitor respectively, and the described 57th
The other end of resistance is connect with the cathode of one end of the 7th inductance and the 16th diode respectively, the 16th diode
Anode connect respectively with the other end of the cathode of the 44th electrolytic capacitor and the 47th capacitor, the 7th inductance
The other end connect respectively with the anode of one end of the 54th capacitor and the 56th electrolytic capacitor, the described 54th
The connection of the cathode of the other end of capacitor and the 56th electrolytic capacitor.
In off-network type intelligent solar controller described in the utility model, the MCU signal acquisition process module packet
Include MCU, the model STM32F103C8T6 of the MCU.
The off-network type intelligent solar controller for implementing the utility model, has the advantages that：It is protected due to being equipped with PV
Shield reverse connection preventing lightning struck module, single channel BUCK decompression energy-storage module, cell anti-reverse connect protective module, load control module, power supply
Module, MCU signal acquisition process module, RS485 communication module, USB charging module, current-voltage sampling module and liquid crystal LCD
Display module, the off-network type intelligent solar controller can by with external device communication implementing monitoring and tracking in all directions,
The practicability that solar energy utilization ratio, guarantee system is reliable for operation, effectively improves solar power generation in practical applications can be promoted.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram in the utility model off-network type intelligent solar controller one embodiment；
Fig. 2 is the circuit diagram of RS485 communication module in the embodiment；
Fig. 3 is the circuit diagram of power supply module in the embodiment；
Fig. 4 is the circuit diagram that single channel BUCK is depressured energy-storage module in the embodiment.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
In the utility model off-network type intelligent solar controller embodiment, the off-network type intelligent solar controller
Structural schematic diagram is as shown in Figure 1.In Fig. 1, which includes PV protection reverse connection preventing lightning struck module
1, single channel BUCK is depressured energy-storage module 2, cell anti-reverse connects protective module 3, load control module 4, power supply module 5, MCU signal and adopts
Collect processing module 6, RS485 communication module 7, USB charging module 8, current-voltage sampling module 9 and liquid crystal LCD display module 10,
Wherein, PV protects reverse connection preventing lightning struck module 1 to be separately connected the end PV+ and the end PV-, and cell anti-reverse connects protective module 3 and is separately connected
The end BAT+ and the end BAT-, load control module 4 are separately connected the end L+ and the end L-, load control module 4 also respectively with cell anti-reverse
It connects protective module 3 and power supply module 5 connects, PV protection reverse connection preventing lightning struck module 1, cell anti-reverse connect protective module 3, power supply mould
Block 5 and MCU signal acquisition process module 6 are connect with single channel BUCK decompression energy-storage module 2, cell anti-reverse connect protective module 3,
USB charging module 8 and MCU signal acquisition process module 6 are connect with power supply module 5, and RS485 communication module 7 is connect by UART
Mouth is connect with MCU signal acquisition process module 6, USB charging module 8, current-voltage sampling module 9 and liquid crystal LCD display module
10 connect with MCU signal acquisition process module 6, and current-voltage sampling module 9 is connect with the end PV+.
In the present embodiment, MCU signal acquisition process module 6 includes MCU, the model STM32F103C8T6 of the MCU.
RS485 communication module 7 use balance transmission and differential received, have inhibit common mode interference ability, the RS485 communication module 7 by
UART interface is connected composition with RS485 driving circuit, and UART interface is connect with external equipment, and RS485 driving circuit is responsible for pair
The data sended and received are handled.Power supply module 5 is using control signal isolation driving switch pipe, wherein control signal passes through
MCU acquisition solar energy, cell voltage and load current provide, PV when liquid crystal LCD display module 10 shows real time charging electric discharge,
Cell voltage, charging current, discharge current and environment temperature etc..The off-network type intelligent solar controller using isolated power supply,
Isolation signals, fuse and anti-high voltage and current modular circuit (current-voltage sampling module 9) protect communication system, adopt simultaneously
Solar energy utilization ratio is promoted with single channel BUCK decompression 2 energy storage of energy-storage module charging, can be applied to the control of solar power generation discharge/charge
System, while realization and PERCOM peripheral communication, the off-network type intelligent solar controller are to provide the multifunctional controller of USB charging.
The utility model can promote that solar energy utilization ratio, guarantee system is reliable for operation, effectively improves solar power generation in practical applications
Practicability.
Fig. 2 is the circuit diagram of RS485 communication module in the present embodiment, and in Fig. 2, which includes electricity
Conversion chip U6, the 4th connectivity port J4, third fuse F3, the 4th fuse F4, the 38th resistance R38, the is isolated in source
41 resistance R41, serial communication chip U8, the 7th photoelectrical coupler U7, the 9th photoelectrical coupler U9, the tenth photoelectrical coupler
U10, the 33rd resistance R33, the 40th resistance R40 and the 45th resistance R45, wherein the second of the 4th connectivity port J4
Pin is connect by third fuse F3 with one end of the 38th resistance R38, the other end and serial ports of the 38th resistance R38
The 7th pin of communication chip U8 connects, and the first pin of the 4th connectivity port J4 is connect with one end of the 4th fuse F4, the
The other end of four fuse F4 is connect with one end of the 41st resistance R41, and the other end and serial ports of the 41st resistance R41 is logical
Believe the 6th pin connection of chip U8, the 5th pin of serial communication chip U8 and the 4th pin of isolated from power conversion chip U6
Connection, the 8th pin of serial communication chip U8 are connect with the 5th pin of isolated from power conversion chip U6, serial communication chip
The first pin of U8 is connect with the cathode of light emitting diode in the 7th photoelectrical coupler U7, photosensitive three in the 7th photoelectrical coupler U7
The emitter of pole pipe is connect with the first pin of isolated from power conversion chip U6, phototriode in the 7th photoelectrical coupler U7
Collector is connect with one end of the 33rd resistance R33, and the second pin and third pin of serial communication chip U8 is with the 9th
The emitter of phototriode connects in photoelectrical coupler U9, the anode and the 4th of light emitting diode in the 9th photoelectrical coupler U9
One end of ten resistance R40 connects, phototriode in the 4th pin and the tenth photoelectrical coupler U10 of serial communication chip U8
Collector connects, and the emitter of phototriode draws with the 4th of isolated from power conversion chip U6 in the tenth photoelectrical coupler U10
Foot connects, and the anode of light emitting diode is connect with one end of the 45th resistance R45 in the tenth photoelectrical coupler U10, and the 30th
The other end, the other end of the 40th resistance R40 and the other end of the 45th resistance R45 of three resistance R33 is all connected with+3.3V electricity
Source.
The RS485 communication module supplies communication module power supply, isolated from power conversion chip U6 using isolation DC-DC voltage IC
Input voltage use controller power supply 5V itself, output also be 5V, that is to say, that isolated from power conversion chip U6 be 5V input and
5V output does not share same with reference to ground.Serial communication chip U8 has been internally integrated transceiver, sends and receivees signal by the
Seven photoelectrical coupler U7, the 9th photoelectrical coupler U9, the tenth photoelectrical coupler U10 are communicated with MCU.
It is positive and negative that isolated from power conversion chip U6 is that DC-DC power source IC, the 1st and 2 foot connects input power, and the 5th foot and 4 feet are defeated
Voltage is positive and negative out, and output voltage provides power supply for serial communication chip U8, and serial communication chip U8 realizes RS485 electrical characteristic
Conversion between the standardized digital signal level of level 0-5V, inside have a receiver and a transmitter, receiver passes through A, B
Both ends receive the level signal of RS485 bus transfer, and R0 receiver output end passes through the 7th photoelectrical coupler U7's and MCU
RXD pin is connected, and transmitter is sent in RS485 bus after receiving the data that MCU is transmitted by DI pin by the both ends A, B.
DI is transmitter input terminal, is connected by the TX foot of the tenth photoelectrical coupler U10 and MCU, and RE/DE is to receive making for transmission respectively
Energy end is connected by the I/O mouth of the 9th photoelectrical coupler U9 and MCU, adds third fuse F3, the 4th fuse in bus respectively
The protective tubes such as F4 and anti-lightning strike the 8th diode D8 and the 6th diode D6 of Anti-surging, protection drive the RS485 to communicate mould
Block 7.
Fig. 3 is the circuit diagram of power supply module in the present embodiment, in Fig. 3, the power supply module 5 include second resistance R2,
4th resistance R4, the 5th resistance R5, the 6th resistance R6, the second triode Q2, the 14th resistance R14, third photoelectrical coupler U3,
9th resistance R9, third diode D3, the second zener diode D2, third metal-oxide-semiconductor Q3, the 15th capacitor C15, the 19th resistance
R19, four-operational amplifier U4, the 20th resistance R20, the 21st resistance R21, twelfth resistor R12, thirteenth resistor
R13, the 22nd fuse R22 and the 23rd resistance R23, wherein one end of the 6th resistance R6 is connect with the 4th resistance R4,
One end of 5th resistance R5 is connect with second resistance R2, the other end of the other end of the 6th resistance R6 and the 5th resistance R5 with electricity
The first pin connection of conversion chip U6 is isolated in source, and the base stage of the second triode Q2 is connect with one end of the 14th resistance R14, the
The other end of 14 resistance R14 is connect with one end of thirteenth resistor R13, the other end of thirteenth resistor R13 and the 12nd electricity
One end of resistance R12 is all connected with+3.3V power supply, light-emitting diodes in the other end and third photoelectrical coupler U3 of twelfth resistor R12
The anode of pipe connects, and the collector of the second triode Q2 is connect with the cathode of light emitting diode in third photoelectrical coupler U3, the
The emitter of two triode Q2 is connect with the first pin of isolated from power conversion chip U6, photosensitive three in third photoelectrical coupler U3
The collector of pole pipe is connect with the anode of one end of the 9th resistance R9 and third diode D3 respectively, the other end of the 9th resistance R9
Connection+12V power supply, the anode of the emitter of phototriode and the second zener diode D2 connect in third photoelectrical coupler U3
It connects.
The grid of third metal-oxide-semiconductor Q3 respectively with the cathode of third diode D3, the cathode of the second zener diode D2 and
One end of 15 resistance R15 connects, and the source electrode of third metal-oxide-semiconductor Q3 is melted with the other end of the 15th resistance R15, the 22nd respectively
One end of disconnected device R22, one end of the 20th resistance R20 are connected with one end of the 23rd resistance R23, the 20th resistance R20's
The other end is connect with the non-inverting input terminal of four-operational amplifier U4, and the other end and the 4th operation of the 23rd resistance R23 is put
The inverting input terminal connection of big device U4, the power pins of four-operational amplifier U4 respectively with one end of the 15th capacitor C15 and
One end of 19th resistance R19 connects, and the other end of the 15th capacitor C15 and the first pin of isolated from power conversion chip U6 connect
It connects, the other end of the 19th resistance R19 is connect with 3.3V power supply, and the grounding pin and isolated from power of four-operational amplifier U4 turns
The grounding pin connection of chip U6 is changed, the output end of four-operational amplifier U4 is connect with the 21st resistance R21.
In the present embodiment, by the 4th resistance R4 and the 6th resistance R6, (the 4th resistance R4 and the 6th resistance R6 are to adopt to MCU
Sample resistance), solar voltage is acquired, daytime and night can be distinguished, carrying load ability is distinguished by cell voltage, while also adopting
Collect load current, there is overload protection function.MCU controls load by third photoelectrical coupler U3 by collected signal
Switch state.The 6th resistance R6 of the 4th resistance R4/ series connection acquisition end PV voltage, the 5th resistance R5/ second resistance R2 series connection acquisition
Battery terminal voltage is connect with the I/O of MCU mouth respectively, and the 22nd fuse R22 acquires load current, is put by the 4th operation
It is connect after big device U4 and peripheral circuit amplification with the I/O of MCU, the second metal-oxide-semiconductor Q2 is switch state, receives the control signal of MCU
Third photoelectrical coupler U3 work is driven, when the second metal-oxide-semiconductor Q2 is connected, third photoelectrical coupler U3 exports low level, the 3rd MOS
Pipe Q3 shutdown, load stop working, and when the second metal-oxide-semiconductor Q2 ends, third photoelectrical coupler U3 exports high level, third metal-oxide-semiconductor
Q3 conducting, loaded work piece.
Fig. 4 is the circuit diagram that single channel BUCK is depressured energy-storage module in the present embodiment, in Fig. 4, single channel BUCK decompression
Energy-storage module 2 includes the first transformer T1, the tenth diode D10, the 12nd diode D12, the 4th inductance L4, the 11st driving
Photoelectrical coupler U11, the 15th diode D15, the 5th metal-oxide-semiconductor Q5, the 57th resistance R57, the 7th inductance L7, the 54th
Capacitor C54, the 56th electrolytic capacitor C56, the 44th electrolytic capacitor C44, the 47th capacitor C47 and the 16th diode
D16, wherein the 12nd pin of the first transformer T1 is connect with the anode of the tenth diode D10, the yin of the tenth diode D10
Pole is connect with one end of the 4th inductance L4, and the 16th of the other end of the 4th inductance L4 and the 11st driving photoelectrical coupler U11 the
Pin connection, the 11st pin of the first transformer T1 are connect with the cathode of the 12nd diode D12, the 12nd diode D12
Anode with the 11st driving photoelectrical coupler U11 the 14th pin connect, the 11st drive photoelectrical coupler U11 the tenth
Five pins are connect with the D15 cathode of the 15th diode, the anode of the 15th diode D15 respectively with the 57th resistance R57
One end connected with the grid of the 5th metal-oxide-semiconductor Q5, the 5th metal-oxide-semiconductor Q5 drain electrode respectively with the 44th electrolytic capacitor C44 just
Pole is connected with one end of the 47th capacitor C47, the other end of the 57th resistance R57 respectively with one end of the 7th inductance L7 and
The cathode of 16th diode D16 connects, and the anode of the 16th diode D16 is negative with the 44th electrolytic capacitor C44 respectively
Pole is connected with the other end of the 47th capacitor C47, the other end of the 7th inductance L7 one end with the 54th capacitor C54 respectively
With the anode connection of the 56th electrolytic capacitor C56, the other end and the 56th electrolytic capacitor C56 of the 54th capacitor C54
Cathode connection.
It includes drive part and energy storage afterflow part that single channel BUCK, which is depressured energy-storage module 2, and for drive part, MCU is logical
The control of acquisition signal the 11st driving photoelectrical coupler U11, the 11st driving photoelectrical coupler U11 are crossed the signal biography received
Give the 5th metal-oxide-semiconductor Q5.Voltage needed for driving the 5th metal-oxide-semiconductor Q5 is provided by the first transformer T1.
For energy storage afterflow part, when the 5th metal-oxide-semiconductor Q5 is in the conductive state, electric current a part of the 7th inductance L7 is flowed through
By electricity turn magnetic in the form of store, a part charges a battery, when the 5th metal-oxide-semiconductor Q5 is in close state, the 7th inductance L7 with
The form that magnetic turns electricity is charged a battery by the circuit that the 16th diode D16 is constituted.
The input voltage of first T1 transformer be cell voltage, output voltage be stable 12V, output voltage it is positive and negative
End is separately connected the VCC pin and VEE pin of the 11st driving photoelectrical coupler U11, the 11st driving photoelectrical coupler U11's
The I/O mouth of the input voltage 3.3V of 2nd pin, the 3rd foot and MCU connect, and the 15th foot connects the grid of the 5th metal-oxide-semiconductor Q5, provide
The signal of the 5th metal-oxide-semiconductor Q5 is driven, the drain electrode of the 5th metal-oxide-semiconductor Q5 is connect with solar energy anode, and the source electrode of the 5th metal-oxide-semiconductor Q5 passes through
7th inductance L7 is connect with battery positive voltage BAT+, and the 16th diode D16 plays afterflow when the 5th metal-oxide-semiconductor Q5 is closed,
44th electrolytic capacitor C44 and the 47th capacitor C47 is the input energy storage filtered electrical that single channel BUCK is depressured energy-storage module 2
Hold, the 54th capacitor C54 and the 56th capacitor C56 are output energy storage filter capacitor.Single channel BUCK is depressured energy-storage module 2
Using isolating transformer (the first transformer T1) for the 5th metal-oxide-semiconductor Q5 of electric drive, the 5th metal-oxide-semiconductor Q5 work in switch state, with
7th inductance L7 series connection, it is in parallel with the 44th electrolytic capacitor C44 to play the role of being depressured energy storage.
In short, the RS485 communication module 7 is responsible for the signal that UART interface is sent being switched to the electricity of RS485 in the present embodiment
Gas characteristic level, the standardized digital signal for being 0 to 5V from RS485 standard handovers received signal, power supply 5V power supply use DC-
DC isolation provides, and signal is received to send and also be communicated using photoelectric coupler isolation, prevents exterior overvoltage overcurrent damage MCU.
Power supply module 5 is by acquisition PV and battery terminal voltage state, the switch state of isolation control third metal-oxide-semiconductor Q3, and plays guarantor
Protect controller action.Single channel BUCK is depressured energy-storage module 2 using the first transformer T1 for the 5th metal-oxide-semiconductor Q5 of electric drive, the 5th MOS
The switching frequency and duty ratio of pipe Q5 is controlled by MCU according to different batteries voltage and required charging current, with the 7th inductance
L7 series connection, plays decompression energy storage, and the 7th inductance L7 is made up of in the 5th metal-oxide-semiconductor Q5 turn-off time the 16th diode D16
Circuit fills the energy stored up to battery.The utility model is for controlling multichannel solar battery in solar power system
Square matrix charges to battery and battery is to the automatic control equipment of solar inverter load supplying, is also used for needing long-range
Monitor the occasion of solar recharging system.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection scope within.
Claims (5)
1. a kind of off-network type intelligent solar controller, which is characterized in that protect reverse connection preventing lightning struck module, single channel including PV
BUCK decompression energy-storage module, cell anti-reverse connect protective module, load control module, power supply module, MCU signal acquisition process mould
Block, RS485 communication module, USB charging module, current-voltage sampling module and liquid crystal LCD display module, the PV protect counnter attack
It takes over control lightning struck module and is separately connected the end PV+ and the end PV-, the cell anti-reverse connects protective module and is separately connected the end BAT+ and BAT-
End, the load control module are separately connected the end L+ and the end L-, and the load control module also connects with the cell anti-reverse respectively
Protective module is connected with power supply module, and the PV protection reverse connection preventing lightning struck module, cell anti-reverse connect protective module, power supply module
With MCU signal acquisition process module with the single channel BUCK decompression energy-storage module connect, the cell anti-reverse connect protective module,
USB charging module and MCU signal acquisition process module are connect with the power supply module, and the RS485 communication module passes through
UART interface is connect with the MCU signal acquisition process module, the USB charging module, current-voltage sampling module and liquid crystal
LCD display module is connect with the MCU signal acquisition process module, and the current-voltage sampling module and the end PV+ connect
It connects.
2. off-network type intelligent solar controller according to claim 1, which is characterized in that the RS485 communication module
Including isolated from power conversion chip, the 4th connectivity port, third fuse, the 4th fuse, the 38th resistance, the 41st
Resistance, serial communication chip, the 7th photoelectrical coupler, the 9th photoelectrical coupler, the tenth photoelectrical coupler, the 33rd resistance,
40th resistance and the 45th resistance, the second pin of the 4th connectivity port pass through the third fuse and described the
One end of 38 resistance connects, and the other end of the 38th resistance and the 7th pin of the serial communication chip connect
Connect, the first pin of the 4th connectivity port is connect with one end of the 4th fuse, the 4th fuse it is another
End is connect with one end of the 41st resistance, and the of the other end of the 41st resistance and the serial communication chip
The connection of six pins, the 5th pin of the serial communication chip are connect with the 4th pin of the isolated from power conversion chip, institute
The 8th pin for stating serial communication chip is connect with the 5th pin of the isolated from power conversion chip, the serial communication chip
The first pin connect with the cathode of light emitting diode in the 7th photoelectrical coupler, it is photosensitive in the 7th photoelectrical coupler
The emitter of triode is connect with the first pin of the isolated from power conversion chip, photosensitive three in the 7th photoelectrical coupler
The collector of pole pipe is connect with one end of the 33rd resistance, the second pin and third pin of the serial communication chip
It is connect with the emitter of phototriode in the 9th photoelectrical coupler, light emitting diode in the 9th photoelectrical coupler
Anode connect with one end of the 40th resistance, the 4th pin of the serial communication chip and the tenth photoelectric coupling
The collector connection of phototriode in device, in the tenth photoelectrical coupler emitter of phototriode and the power supply every
The 4th pin from conversion chip connects, the anode of light emitting diode and the 45th electricity in the tenth photoelectrical coupler
One end of resistance connects, the other end of the 33rd resistance, the other end of the 40th resistance and the 45th resistance it is another
End is all connected with+3.3V power supply.
3. off-network type intelligent solar controller according to claim 2, which is characterized in that the power supply module includes the
Two resistance, the 4th resistance, the 5th resistance, the 6th resistance, the second triode, the 14th resistance, third photoelectrical coupler, the 9th electricity
Resistance, third diode, the second zener diode, third metal-oxide-semiconductor, the 15th capacitor, the 19th resistance, four-operational amplifier,
20th resistance, the 21st resistance, twelfth resistor, thirteenth resistor, the 22nd fuse and the 23rd resistance, institute
The one end for stating the 6th resistance is connect with the 4th resistance, and one end of the 5th resistance is connect with the second resistance, described
The other end of 6th resistance and the other end of the 5th resistance are connect with the first pin of the isolated from power conversion chip, described
The base stage of second triode is connect with one end of the 14th resistance, the other end and the described 13rd of the 14th resistance
One end of resistance connects, and the other end of the thirteenth resistor and one end of twelfth resistor are all connected with the+3.3V power supply, institute
The other end for stating twelfth resistor is connect with the anode of light emitting diode in the third photoelectrical coupler, second triode
Collector connect with the cathode of light emitting diode in the third photoelectrical coupler, the emitter of second triode and institute
The the first pin connection for stating isolated from power conversion chip, in the third photoelectrical coupler collector of phototriode respectively with
One end of 9th resistance is connected with the anode of third diode, the other end connection+12V power supply of the 9th resistance, institute
The emitter of phototriode in third photoelectrical coupler is stated to connect with the anode of second zener diode；
The grid of the third metal-oxide-semiconductor cathode and the tenth with the cathode of the third diode, the second zener diode respectively
One end of five resistance connects, and the source electrode of the third metal-oxide-semiconductor fuses with the other end of the 15th resistance, the 22nd respectively
One end of device, the 20th resistance one end connected with one end of the 23rd resistance, the other end of the 20th resistance and institute
State the non-inverting input terminal connection of four-operational amplifier, the other end and the four-operational amplifier of the 23rd resistance
Inverting input terminal connection, the power pins of four-operational amplifier one end and the tenth with the 15th capacitor respectively
One end of nine resistance connects, and the other end of the 15th capacitor is connect with the first pin of the isolated from power conversion chip,
The other end of 19th resistance is connect with the 3.3V power supply, the grounding pin and the electricity of the four-operational amplifier
The grounding pin connection of conversion chip is isolated in source, and the output end of the four-operational amplifier and the 21st resistance connect
It connects.
4. off-network type intelligent solar controller according to claim 3, which is characterized in that the single channel BUCK decompression storage
Can module include the first transformer, the tenth diode, the 12nd diode, the 4th inductance, the 11st driving photoelectrical coupler, the
15 diodes, the 5th metal-oxide-semiconductor, the 57th resistance, the 7th inductance, the 54th capacitor, the 56th electrolytic capacitor, the 4th
14 electrolytic capacitors, the 47th capacitor and the 16th diode, the 12nd pin and the described tenth of first transformer
The anode of diode connects, and the cathode of the tenth diode is connect with one end of the 4th inductance, the 4th inductance
The other end with it is described 11st driving photoelectrical coupler the 16th pin connect, the 11st pin of first transformer and
The cathode of 12nd diode connects, and the anode of the 12nd diode and the described 11st drives photoelectrical coupler
The connection of 14th pin, the 15th pin of the 11st driving photoelectrical coupler and the cathode of the 15th diode connect
It connects, the anode of the 15th diode is connect with the grid of one end of the 57th resistance and the 5th metal-oxide-semiconductor respectively, institute
The drain electrode for stating the 5th metal-oxide-semiconductor is connect with the anode of the 44th capacitor and one end of the 47th capacitor respectively, and described the
The other end of 57 resistance is connect with the cathode of one end of the 7th inductance and the 16th diode respectively, and the described 16th
The anode of diode is connect with the other end of the cathode of the 44th electrolytic capacitor and the 47th capacitor respectively, and described
The other end of seven inductance is connect with the anode of one end of the 54th capacitor and the 56th electrolytic capacitor respectively, and described the
The connection of the cathode of the other end of 54 capacitors and the 56th electrolytic capacitor.
5. according to claim 1 to off-network type intelligent solar controller described in 3 any one, which is characterized in that the MCU
Signal acquisition process module includes MCU, the model STM32F103C8T6 of the MCU.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820333091.4U CN208127974U (en) | 2018-03-10 | 2018-03-10 | Off-network type intelligent solar controller |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201820333091.4U CN208127974U (en) | 2018-03-10 | 2018-03-10 | Off-network type intelligent solar controller |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109861364A (en) * | 2019-01-04 | 2019-06-07 | 宁波绿光能源集团有限公司 | A kind of separating portable formula electricity generation system |
| CN109995135A (en) * | 2019-05-13 | 2019-07-09 | 沈阳睿捷电力科技有限公司 | Industrial uninterrupted seamless switching inverter power supply device for solving voltage sag problem |
| CN110344759A (en) * | 2019-07-02 | 2019-10-18 | 毛宗原 | A kind of sliding platform monitoring system of the piling equipment of flexibility superficial centering |
| CN111403965A (en) * | 2018-12-13 | 2020-07-10 | 中国电信股份有限公司 | Power supply system and power supply method |
| CN113555920A (en) * | 2020-04-17 | 2021-10-26 | 施耐宝公司 | Battery charger for communication |
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2018
- 2018-03-10 CN CN201820333091.4U patent/CN208127974U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111403965A (en) * | 2018-12-13 | 2020-07-10 | 中国电信股份有限公司 | Power supply system and power supply method |
| CN111403965B (en) * | 2018-12-13 | 2021-06-04 | 中国电信股份有限公司 | Power supply system and power supply method |
| CN109861364A (en) * | 2019-01-04 | 2019-06-07 | 宁波绿光能源集团有限公司 | A kind of separating portable formula electricity generation system |
| CN109995135A (en) * | 2019-05-13 | 2019-07-09 | 沈阳睿捷电力科技有限公司 | Industrial uninterrupted seamless switching inverter power supply device for solving voltage sag problem |
| CN109995135B (en) * | 2019-05-13 | 2024-01-26 | 沈阳睿捷电力科技有限公司 | Industrial uninterrupted seamless switching inverter power supply device for solving voltage sag problem |
| CN110344759A (en) * | 2019-07-02 | 2019-10-18 | 毛宗原 | A kind of sliding platform monitoring system of the piling equipment of flexibility superficial centering |
| CN113555920A (en) * | 2020-04-17 | 2021-10-26 | 施耐宝公司 | Battery charger for communication |
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