CN114594717A - Solar intelligent control system - Google Patents

Solar intelligent control system Download PDF

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Publication number
CN114594717A
CN114594717A CN202210349534.XA CN202210349534A CN114594717A CN 114594717 A CN114594717 A CN 114594717A CN 202210349534 A CN202210349534 A CN 202210349534A CN 114594717 A CN114594717 A CN 114594717A
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chip
module
solar
circuit
output
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高晓勇
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Xuchang No2 Middle School
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Xuchang No2 Middle School
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Priority to CN202210349534.XA priority Critical patent/CN114594717A/en
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    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00—Programme-control systems
    • G05B19/02—Programme-control systems electric
    • G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
    • G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
    • G05B19/0423—Input/output
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00—Program-control systems
    • G05B2219/20—Pc systems
    • G05B2219/25—Pc structure of the system
    • G05B2219/25257—Microcontroller
    • 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
    • Y02E70/00—Other energy conversion or management systems reducing GHG emissions
    • Y02E70/30—Systems combining energy storage with energy generation of non-fossil origin

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

The invention discloses a solar intelligent control system, which comprises: the system gateway is remotely connected with a plurality of solar intelligent control terminals, each solar intelligent control terminal comprises a main control module, a communication module, a charging management module, a load control module and a detection module, the charging management module is connected with the main control module and used for adjusting the output electric energy of a solar panel, the input end of the load control module is connected with the charging management module, the controlled end of the load control module is connected with the main control module, the input end of the detection module is respectively connected with the output ends of the charging management module and the load control module, the output end of the detection module is connected with the main control module, and the communication module is connected with the main control module and used for communicating with the system gateway; the invention can realize remote centralized control, has high electric energy storage efficiency and good market application value.

Description

Solar intelligent control system
Technical Field
The invention relates to the field of solar power generation, in particular to a solar intelligent control system.
Background
Along with the development of society, the use of solar energy is more and more extensive, stores the direct current of solar cell panel output in solar battery, can solve the life and the industrial power consumption of conventional electric wire netting can not cover remote area and tourism area effectively, does not produce environmental pollution, and current solar panel power generation facility can't concentrate the management and control, and conversion efficiency is low during the electric energy storage, can not satisfy people's demand.
Disclosure of Invention
Aiming at the defects of the existing solar panel control mode, the invention provides the solar intelligent control system which can realize remote centralized control and has high electric energy storage efficiency.
The technical scheme adopted by the invention for solving the technical problems is as follows:
provided is a solar intelligent control system, comprising: the system comprises a system gateway and a solar intelligent control terminal, wherein the system gateway is remotely connected with the solar intelligent control terminal in a plurality of ways, the solar intelligent control terminal comprises a main control module, a communication module, a charging management module, a load control module and a detection module, the charging management module is connected with the main control module and used for adjusting the output electric energy of a solar panel, the input end of the load control module is connected with the charging management module, the controlled end of the load control module is connected with the main control module, the input end of the detection module is respectively connected with the output ends of the charging management module and the load control module, the output end of the detection module is connected with the main control module, and the communication module is connected with the main control module and used for communicating with the system gateway.
Further, the main control module comprises a chip U2, a reset circuit and an indication circuit, wherein the reset circuit is connected with the chip U2 and used for resetting the chip U2, and the indication circuit is connected with the chip U2 and used for indicating the power state and the working state of the main control module.
Further, solar energy intelligent control terminal still includes power module, power module includes chip U7 and U10, chip U7's input termination power supply port, chip U10's input termination chip U7's output, the output respectively with main control module, communication module, detection module, human-computer interaction module and wireless drive module connect.
Further, the USB interface module includes interface USB1, interface USB 1's communication port with chip U2 links to each other, interface USB 1's communication port department is provided with TVS diode U4, RS485 communication module includes chip U13, chip U13's input with chip U2 links to each other, output RS485 serial signals, wireless transceiver module includes chip U30, chip U30's communication port with chip U2's communication port links to each other, antenna J45 is connected to chip U30's signal transmitting terminal, bluetooth module includes chip U31, chip U31's communication port with chip U2's communication port links to each other, and antenna a1 is connected to the signal transmitting terminal.
Further, solar energy intelligent control terminal still includes human-computer interaction module, human-computer interaction module includes display screen circuit and key circuit, the display screen circuit is including showing interface portion and demonstration power supply part, show interface portion's signal end with chip U30 links to each other, show power supply part and include MOS pipe Q28, MOS pipe Q28's source electrode meets power module's output, the drain electrode is connected show interface portion's power port, the grid connects chip U30, key circuit includes 4 groups of button, every group the one end ground connection of button, the other end with chip U30 links to each other.
Furthermore, the charging management module comprises a solar panel interface circuit, an H half-bridge control circuit, a filter circuit and a solar battery interface circuit, the solar cell interface circuit is externally connected with a solar cell, the solar panel interface circuit is externally connected with a solar panel, the H half-bridge control circuit comprises MOS tubes Q1, Q4 and Q2, wherein the drain electrode of the MOS tube Q1 is connected with the positive output end of the solar panel, the grid electrode of the MOS tube Q1 is connected with the 26 pin of the chip U2, the drain of the MOS transistor Q2 is connected with the negative output end of the solar panel, the source is grounded, the gate is connected with the 27 pins of the chip U2, the source electrode of the MOS tube Q4 is grounded, the grid electrode is connected with the 27 pin of the chip U2, the drain electrode of the MOS tube Q4 and the source electrode of the MOS tube Q1 are mutually connected and then output charging signals, the charging signal is filtered by the filter circuit and then is connected with the anode of the solar battery, and the cathode of the solar battery is grounded.
Further, the load control module comprises a triode Q16, a MOS transistor Q3 and a load output interface J11, wherein the base of the triode Q16 is connected with the 4-pin of the chip U2 through a resistor R81, the emitter is grounded, the first lead of the collector of the triode Q16 is connected with the source of the MOS transistor Q3, the second lead is connected with the power module, the source of the MOS transistor Q3 is connected with 24V voltage, the drain is connected with one end of the load output interface J11, and the other end of the load output interface J11 is grounded.
Further, the detection module comprises a solar voltage detection circuit, a solar battery charging current detection circuit and a load current detection circuit, the solar voltage detection circuit comprises a triode Q27 and a MOS transistor Q7, a base of the triode Q27 is connected with a 3-pin of the chip U2 through a resistor R31, an emitter is grounded, a collector is connected with a first end of a resistor R36, a first lead of a second end of the resistor R36 is connected with a gate of the MOS transistor Q7, a second lead is connected with a positive output end of the solar panel through the resistor R32, a source of the MOS transistor Q7 is connected with the positive output end of the solar panel, and a drain is connected with a 15-pin of the chip U2 through the resistor R24; the solar cell charging current detection circuit comprises a chip U6, wherein the input end of the chip U6 is connected to a node between the filter circuit and the solar cell interface circuit, and the output end of the chip U6 is connected with the chip U2.
Further, the load current detection circuit comprises a chip U28, wherein an input end of the chip U28 is connected with the load output interface J11, and an output end of the chip U28 is connected with the chip U2.
Further, solar energy intelligent control terminal still includes wireless drive module, wireless drive module with wireless transceiver module connects, wireless drive module has four ways wireless drive circuit, wireless drive circuit includes chip U16 and triode Q9, 3 pins of chip U16 connect triode Q9's collecting electrode, triode Q9's emitter ground, the base connects through resistance R105 the 20 pins of chip U30, the first end of 8 pins termination resistance R115 of chip U16, resistance R115's second end connects respectively power module and node TP28, the 9 pins of chip U16 connect node TP29 through inductance L33.
Compared with the prior art, the invention has the beneficial effects that:
1. the charging management module of the solar intelligent control terminal regulates the output electric energy of a solar panel and charges the solar cell, meanwhile, the solar cell is connected with a load through the load control module to output the electric energy, the input end of the detection module is respectively connected with the output ends of the charging management module and the load control module, the direct current voltage and the output current of a solar charging loop and the current information of the output end of the load control module can be detected, the main control module calculates the output power of a solar array according to the voltage and current data fed back by the detection module and sends a signal to the charging management module, so that the charging management module controls the solar panel to output more electric energy, the efficiency is improved, and the effective utilization of the electric energy is ensured;
2. the system gateway can be remotely connected with a plurality of solar intelligent control terminals, and the solar intelligent control terminals are in remote wireless communication with the system gateway through the communication module, so that the system gateway can be remotely controlled and obtain the working states of the solar intelligent control terminals, the battery voltage and other parameters, and the working states of the solar intelligent control terminals can be remotely diagnosed through analyzing the parameters, thereby realizing centralized control management.
Drawings
FIG. 1 is a schematic diagram of a principle structure of a main control module according to the present invention;
FIG. 2 is a schematic diagram of the principle structure of the power module of the present invention;
FIG. 3 is a schematic diagram of the USB interface module according to the present invention;
FIG. 4 is a schematic diagram of the principle structure of the RS485 communication module of the present invention;
FIG. 5 is a schematic diagram of a schematic structure of a wireless transceiver module according to the present invention;
FIG. 6 is a schematic diagram of the Bluetooth module of the present invention;
FIG. 7 is a schematic diagram of a schematic structure of a display circuit according to the present invention;
FIG. 8 is a schematic diagram of the key circuit of the present invention;
FIG. 9 is a schematic diagram of a schematic structure of a charging management module according to the present invention;
FIG. 10 is a schematic diagram of a solar voltage detection circuit according to the present invention;
FIG. 11 is a schematic diagram of the load current detection circuit according to the present invention;
FIG. 12 is a schematic structural diagram of a charging current detection circuit of a solar cell according to the present invention;
FIG. 13 is a schematic structural diagram of a load control module according to the present invention;
fig. 14 is a schematic structural diagram of a wireless driving module according to the present invention.
Detailed Description
In order to facilitate an understanding of the invention, the invention is described in more detail below with reference to the accompanying drawings and specific examples. The preferred embodiments of the present invention are shown in the drawings, but the present invention may be embodied in many different forms and should not be construed as being limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
The present invention will be described in detail below with reference to the accompanying drawings. In order to solve the above technical problem, an embodiment of the present invention provides a solar intelligent control system, including: the system comprises a system gateway and a solar intelligent control terminal, wherein the system gateway is remotely connected with the solar intelligent control terminal in a plurality of ways, the solar intelligent control terminal comprises a main control module, a communication module, a charging management module, a load control module and a detection module, the charging management module is connected with the main control module and used for adjusting the output electric energy of a solar panel, the input end of the load control module is connected with the charging management module, the controlled end of the load control module is connected with the main control module, the input end of the detection module is respectively connected with the output ends of the charging management module and the load control module, the output end of the detection module is connected with the main control module, and the communication module is connected with the main control module and used for communicating with the system gateway.
It should be noted that, in this embodiment, the charging management module of the solar intelligent control terminal adjusts the output power of the solar panel to charge the solar cell, and at the same time, the solar cell is connected to the load through the load control module to output power, because the input end of the detection module is connected to the output ends of the charging management module and the load control module respectively, the dc voltage and the output current of the solar charging circuit and the current information of the output end of the load control module can be detected, the main control module calculates the output power of the solar array according to the voltage and current data fed back by the detection module, and sends a signal to the charging management module, so that the charging management module controls the solar panel to output more power, thereby improving the efficiency and ensuring the effective utilization of power, and meanwhile, the solar intelligent control terminal performs remote wireless communication with the system gateway through the communication module, the system gateway can remotely control and acquire the working states of the plurality of solar intelligent control terminals, the battery voltage and other parameters, and can remotely diagnose the working states of the solar intelligent control terminals through analyzing the parameters to realize centralized control management.
In an embodiment of the present invention, as shown in fig. 1, the main control module includes a chip U2, a reset circuit and an indication circuit, where the model of the chip U2 is STM32F103RCT6, the reset circuit is connected to the chip U2 and is used to reset the chip U2, and the indication circuit is connected to the chip U2 and is used to indicate a power state and a working state of the main control module.
It should be noted that the main control module is configured to collect data information sent by other modules, receive a control instruction from the platform, and drive the other modules to operate according to a program, in fig. 1, sw13 is a reset key, the indicator light D11 indicates whether the main control operating power supply is normal, and the indicator light D3 indicates the operating state of the main control module.
In an embodiment of the present invention, as shown in fig. 2, the solar intelligent control terminal further includes a power module, the power module includes chips U7 and U10, an input end of the chip U7 is connected to a power supply port, an input end of the chip U10 is connected to an output end of the chip U7, and output ends of the chip U10 are respectively connected to the main control module, the communication module, and the detection module.
In this embodiment, the model of the chip U7 is TPS54202, the model of the chip U10 is XC6219B3322MR, the power supply end of the power supply module is connected to the load output port, the power supply module supplies power by using a solar cell, and the power supply of the solar cell 24 is converted by the power supply module into voltages of 5V and 3.3V for the system chip to use.
In one embodiment of the invention, as shown in fig. 3, the USB interface module includes an interface USB1, the communication port of the interface USB1 is connected with the chip U2, the communication port of the interface USB1 is provided with a TVS diode U4, as shown in fig. 4, the RS485 communication module includes a chip U13, an input end of the chip U13 is connected to the chip U2, an output end of the chip U13 outputs an RS485 serial signal, the model of the chip U13 is NSI83085, as shown in fig. 5, the wireless transceiver module includes a chip U30, a communication port of the chip U30 is connected to a communication port of the chip U2, the signal transmitting end of the chip U30 is connected with an antenna J45, the model number of the chip U30 is CC1310F128RGZ, as shown in fig. 6, the bluetooth module includes a chip U31, a communication port of the chip U31 is connected to a communication port of the chip U2, a signal transmitting end is connected to an antenna a1, and the chip U31 is CC 2650F.
It should be noted that, under normal circumstances, the solar intelligent control terminal communicates with the gateway platform through the wireless transceiver module, the wireless transceiver is convenient to use, but in some important scenes, in order to ensure that the communication is not interrupted, the solar intelligent control terminal is also provided with an RS485 communication interface, RS485 serial port communication connection can be added, as a standby, when the wireless transceiver has a problem, smooth communication is ensured, the interface USB1 is used for connecting with debugging equipment such as a computer on site, a user can debug and modify internal programs of the solar intelligent control terminal according to requirements, and the bluetooth module can enable the user to use a mobile terminal such as a mobile phone and the like to connect with the solar intelligent control terminal on site to check system operation information and data.
In an embodiment of the present invention, the solar intelligent control terminal further includes a human-computer interaction module, the human-computer interaction module includes a display screen circuit and a key circuit, as shown in fig. 7, the display screen circuit includes a display interface portion and a display power supply portion, a signal end of the display interface portion is connected to the chip U30, the display power supply portion includes an MOS transistor Q28, a source of the MOS transistor Q28 is connected to a 3.3V voltage, a drain of the MOS transistor Q28 is connected to a power supply port of the display interface portion, and a gate of the MOS transistor Q30 is connected to the chip U30, as shown in fig. 8, the key circuit includes 4 groups of keys, one end of each group of the keys is grounded, and the other end of each group of the keys is connected to the chip U30.
It should be noted that, in order to facilitate the field operation of the user, the solar intelligent control terminal is further provided with a human-computer interaction module, the human-computer interaction module comprises a display screen circuit and a key circuit, the display screen circuit is used for externally connecting a display screen and supplying power to the display screen, the input end of the display screen circuit is connected with the chip U30, the gateway information and the intelligent terminal information received by the wireless transceiver module can be transmitted to the display screen and displayed on the display screen, the user can check the running information of the gateway and the intelligent terminal through the display screen on the field through the human-computer interaction module, the key circuit is also connected with the chip U30 and can send corresponding instructions to the chip U30 by pressing a key, so that the chip U30 controls and adjusts the information and options on the display screen, and further adjusts the key and selects the running information of the gateway information and the intelligent terminal.
In an embodiment of the present invention, as shown in fig. 9, the charging management module includes a solar panel interface circuit, an H-half bridge control circuit, a filter circuit, and a solar cell interface circuit, the solar cell interface circuit is externally connected to a solar cell, the solar panel interface circuit is externally connected to a solar panel, the H-half bridge control circuit includes MOS transistors Q1, Q4, and Q2, a drain of the MOS transistor Q1 is connected to a positive output terminal of the solar panel, a gate of the MOS transistor Q1 is connected to a 26 pin of the chip U2, a drain of the MOS transistor Q2 is connected to a negative output terminal of the solar panel, a source of the MOS transistor Q2 is grounded, a gate of the MOS transistor Q2 is connected to a 27 pin of the chip U2, a source of the MOS transistor Q4 is grounded, a gate of the MOS transistor Q2 is connected to a 27 pin of the chip U2, a drain of the MOS transistor Q4 and a source of the MOS transistor Q1 are connected to each other and then output a charging signal, the charging signal is filtered by the filter circuit and then connected to a positive electrode of the solar cell, the negative electrode of the solar cell is grounded.
It should be noted that the charging management module is used for managing the electric energy output of the solar panel to the solar cell, so as to control the power generation utilization efficiency of the solar panel, the H half-bridge control circuit includes MOS transistors Q1, Q4 and Q2, the gates of the MOS transistors Q1, Q4 and Q2 are all controlled by the PWM signal sent by the main control module, the current of the solar panel is output to the solar cell interface circuit through the H half-bridge control circuit, the solar cell interface circuit is connected to the solar cell, the main control module can calculate the output disturbance direction according to the program setting, so as to adjust the duty ratio of the output PWM signal, so as to adjust the conduction states of the MOS transistors Q1, Q4 and Q2, and further adjust the current output size of the solar panel to the solar cell, so that the photovoltaic panel can output more electric energy, so as to adjust the power generation utilization rate of the solar panel, and the filtering circuit filters the current input to the solar cell, the interference resistance is improved.
In an embodiment of the present invention, as shown in fig. 13, the load control module includes a transistor Q16, a MOS transistor Q3, and a load output interface J11, a base of the transistor Q16 is connected to the 4-pin of the chip U2 via a resistor R81, an emitter of the transistor is grounded, a first lead of a collector of the transistor Q16 is connected to a source of the MOS transistor Q3, a second lead of the collector of the transistor Q16 is connected to a 24V voltage, a source of the MOS transistor Q3 is connected to the 24V voltage, a drain of the transistor Q3 is connected to one end of the load output interface J11, and another end of the load output interface J11 is grounded.
It should be noted that, the solar cell can supply power to the load end, the load control module is used for controlling the load output, the main control module PWM signal is output to the gate of the MOS transistor Q3 after passing through the triode Q16, the output signal through adjusting the main control module, thereby changing the on-off state of the MOS transistor Q3, the adjustment of the on-off state and the current magnitude of the load end is realized, the main control module is according to the instruction sent by the acquisition information and the gateway, according to the electric quantity state and the load end demand of the solar cell, the output of the load end can be reasonably arranged, and the effective utilization of the electric energy is ensured.
In an embodiment of the present invention, the detection module includes a solar voltage detection circuit and a solar battery charging current detection circuit, as shown in fig. 10, the solar voltage detection circuit includes a transistor Q27 and a MOS transistor Q7, a base of the transistor Q27 is connected to pin 3 of the chip U2 through a resistor R31, an emitter is grounded, a collector is connected to a first end of a resistor R36, a first lead of a second end of the resistor R36 is connected to a gate of the MOS transistor Q7, a second lead is connected to a positive output end of the solar panel through a resistor R32, a source of the MOS transistor Q7 is connected to the positive output end of the solar panel, and a drain is connected to pin 15 of the chip U2 through a resistor R24; as shown in fig. 12, the solar cell charging current detection circuit includes a chip U6, an input terminal of the chip U6 is connected to a node between the filter circuit and the solar cell interface circuit, an output terminal of the chip U6 is connected to the chip U2, and the chip U6 is in the type INA 1181.
It should be noted that the solar voltage detection circuit is used for detecting the voltage status of solar charging, the solar cell charging current detection circuit is used for detecting the current status of solar charging, the output power of the solar array can be calculated by detecting the direct current voltage and the output current of the solar charging loop, so that the tracking of the maximum power point can be realized by combining the charging management module, under the condition that the output voltage is basically stable, the average current passing through the solar charging loop is changed by changing the duty ratio of the control signals of three MOSFET tubes in the H half-bridge control circuit, thereby generating the fluctuation of the current, meanwhile, the output current and the voltage of the photovoltaic power generation are changed accordingly, the disturbance direction of the next period is determined by measuring the changes of the output power and the voltage before and after the disturbance, when the disturbance direction is correct, the output power of the solar photovoltaic panel is increased, and the lower period continuously disturbs towards the same direction, otherwise disturbs towards the opposite direction, and in this way, the disturbance and observation are repeatedly carried out to enable the output of the solar photovoltaic panel to reach the maximum power point.
In an embodiment of the present invention, as shown in fig. 11, the detection module further includes a load current detection circuit, the load current detection circuit includes a chip U28, an input end of the chip U28 is connected to the load output interface J11, an output end of the chip U2 is connected, and the model of the chip U28 is INA 1181.
It should be noted that the load current detection circuit is configured to detect a current condition at a load end, the chip U28 is a current detection chip, an input end of the current detection chip is connected to the load output interface J11, and is configured to detect a current at the load end, an output end of the current detection chip is connected to the chip U2, and after the chip U2 receives a load current signal, the chip U2 is configured to adjust a PWM control signal output to the load control module in combination with a current output condition at the load end, so as to effectively control load output.
In an embodiment of the present invention, as shown in fig. 14, the solar intelligent control terminal further includes a wireless driving module, the wireless driving module has four wireless driving circuits, wherein the first wireless driving circuit includes a chip U16 and a transistor Q9, a pin 3 of the chip U16 is connected to a collector of the transistor Q9, an emitter of the transistor Q9 is grounded, a base of the transistor Q9 is connected to a pin 20 of the chip U30 through a resistor R105, a pin 8 of the chip U16 is connected to a first end of a resistor R115, a second end of the resistor R115 is respectively connected to the power module and a node TP28, a pin 9 of the chip U16 is connected to a node TP29 through an inductor L33, a model number of the chip U16 is TX6122, and a circuit structure of the remaining three wireless driving circuits is the same as that of the first wireless driving circuit.
It should be noted that the wireless driving module is connected with the wireless transceiver module, and the control end of the four-way wireless driving circuit is directly connected with the wireless transceiver module, so that the wireless driving module can be directly controlled by the gateway platform, can be used for connecting and driving some key devices, can be controlled by the main control module generally, and can be directly controlled by the gateway platform through wireless transceiver, when the wireless driving circuit is used at the roadside in the country, the wireless driving circuit can also be connected with the street lamp, and the gateway platform can realize the unified management of the road bypass lamp.
The working principle of the invention is as follows:
the system works, the solar battery is charged by the solar panel through the charging management module, the main control module obtains solar charging data information through the solar voltage detection circuit and the solar battery charging current detection circuit, the output power of the solar array is further calculated, the maximum power point is tracked, the charging management module is controlled, the maximum efficiency utilization of electric energy is achieved, and remote wireless communication can be conducted between the communication module and the gateway. The gateway can remotely control and acquire the working state of the solar cell panel, the battery voltage and other parameters, can remotely diagnose the working state of the solar intelligent wireless controller through analyzing the parameters, and can send down control logic through changes of seasons, weather and the like.
The technical features mentioned above are combined with each other to form various embodiments which are not listed above, and all of them are regarded as the scope of the present invention described in the specification; also, modifications and variations may be suggested to those skilled in the art in light of the above teachings, and it is intended to cover all such modifications and variations as fall within the true spirit and scope of the invention as defined by the appended claims.

Claims (10)

1. A solar intelligent control system, comprising: the system comprises a system gateway and a solar intelligent control terminal, wherein the system gateway is remotely connected with the solar intelligent control terminal in a plurality of ways, the solar intelligent control terminal comprises a main control module, a communication module, a charging management module, a load control module and a detection module, the charging management module is connected with the main control module and used for adjusting the output electric energy of a solar panel, the input end of the load control module is connected with the charging management module, the controlled end of the load control module is connected with the main control module, the input end of the detection module is respectively connected with the output ends of the charging management module and the load control module, the output end of the detection module is connected with the main control module, and the communication module is connected with the main control module and used for communicating with the system gateway.
2. The solar intelligent control system according to claim 1, wherein the main control module comprises a chip U2, a reset circuit and an indication circuit, the reset circuit is connected with the chip U2 and used for resetting the chip U2, and the indication circuit is connected with the chip U2 and used for indicating the power state and the working state of the main control module.
3. The solar intelligent control system according to claim 2, wherein the solar intelligent control terminal further comprises a power module, the power module comprises chips U7 and U10, an input end of the chip U7 is connected to a power supply port, an input end of the chip U10 is connected to an output end of the chip U7, and the output ends are respectively connected to the main control module, the communication module and the detection module.
4. The solar intelligent control system of claim 2, wherein the communication module comprises a wireless transceiver module, an RS485 communication module, a bluetooth module and a USB interface module, the USB interface module comprises an interface USB1, the communication port of the interface USB1 is connected to the chip U2, the communication port of the interface USB1 is provided with a TVS diode U4, the RS485 communication module comprises a chip U13, the input end of the chip U13 is connected to the chip U2, the output end of the chip U3875 outputs an RS485 serial signal, the wireless transceiver module comprises a chip U30, the communication port of the chip U30 is connected to the communication port of the chip U2, the signal transmitting end of the chip U30 is connected to the antenna J45, the bluetooth module comprises a chip U31, the communication port of the chip U31 is connected to the communication port of the chip U2, and the signal transmitting end is connected to the antenna a 1.
5. The solar intelligent control system according to claim 4, wherein the solar intelligent control terminal further comprises a human-computer interaction module, the human-computer interaction module comprises a display screen circuit and a key circuit, the display screen circuit comprises a display interface part and a display power supply part, a signal end of the display interface part is connected with the chip U30, the display power supply part comprises a MOS tube Q28, a source electrode of the MOS tube Q28 is connected with an output end of the power supply module, a drain electrode of the MOS tube Q28 is connected with a power supply port of the display interface part, a gate electrode of the MOS tube Q28 is connected with the chip U30, the key circuit comprises 4 groups of keys, one end of each group of keys is grounded, and the other end of each group of keys is connected with the chip U30.
6. The solar intelligent control system according to claim 4, wherein the charging management module includes a solar panel interface circuit, an H-bridge control circuit, a filter circuit and a solar cell interface circuit, the solar cell interface circuit is externally connected to a solar cell, the solar panel interface circuit is externally connected to a solar panel, the H-bridge control circuit includes MOS transistors Q1, Q4 and Q2, the drain of the MOS transistor Q1 is connected to the positive output terminal of the solar panel, the gate is connected to the 26 pin of the chip U2, the drain of the MOS transistor Q2 is connected to the negative output terminal of the solar panel, the source is grounded, the gate is connected to the 27 pin of the chip U2, the source of the MOS transistor Q4 is grounded, the gate is connected to the 27 pin of the chip U2, the drain of the MOS transistor Q4 and the source of the MOS transistor Q1 are connected to each other and then output a charging signal, the charging signal is filtered by the filter circuit and then connected to the positive electrode of the solar cell, the negative electrode of the solar cell is grounded.
7. The solar intelligent control system according to claim 6, wherein the load control module comprises a transistor Q16, a MOS transistor Q3 and a load output interface J11, a base of the transistor Q16 is connected to the 4 th pin of the chip U2 via a resistor R81, an emitter of the transistor Q16 is grounded, a first lead of a collector of the transistor Q16 is connected to a source of the MOS transistor Q3, a second lead of the collector of the transistor Q16 is connected to the power supply module, a source of the MOS transistor Q3 is connected to a 24V voltage, a drain of the transistor Q3 is connected to one end of the load output interface J11, and the other end of the load output interface J11 is grounded.
8. The solar intelligent control system according to claim 7, wherein the detection module comprises a solar voltage detection circuit and a solar battery charging current detection circuit, the solar voltage detection circuit comprises a transistor Q27 and a MOS transistor Q7, a base of the transistor Q27 is connected to pin 3 of the chip U2 through a resistor R31, an emitter is grounded, a collector is connected to a first end of a resistor R36, a first lead of a second end of the resistor R36 is connected to a gate of the MOS transistor Q7, a second lead is connected to a positive output end of the solar panel through a resistor R32, a source of the MOS transistor Q7 is connected to the positive output end of the solar panel, and a drain is connected to pin 15 of the chip U2 through a resistor R24; the solar cell charging current detection circuit comprises a chip U6, wherein the input end of the chip U6 is connected to a node between the filter circuit and the solar cell interface circuit, and the output end of the chip U6 is connected with the chip U2.
9. The solar intelligent control system of claim 8, wherein the detection module further comprises a load current detection circuit, the load current detection circuit comprises a chip U28, an input end of the chip U28 is connected with the load output interface J11, and an output end of the chip U2 is connected.
10. An intelligent solar control system according to claim 9, wherein the intelligent solar control terminal further comprises a wireless driving module, the wireless driving module is connected to the wireless transceiver module, the wireless driving module has a four-way wireless driving circuit, the wireless driving circuit includes a chip U16 and a transistor Q9, the 3 th pin of the chip U16 is connected to the collector of the transistor Q9, the emitter of the transistor Q9 is grounded, the base is connected to the 20 th pin of the chip U30 via a resistor R105, the 8 th pin of the chip U16 is connected to the first end of a resistor R115, the second end of the resistor R115 is connected to the power module and the node TP28, and the 9 th pin of the chip U16 is connected to the node TP29 via an inductor L33.
CN202210349534.XA 2022-04-02 2022-04-02 Solar intelligent control system Pending CN114594717A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115938075A (en) * 2022-11-03 2023-04-07 深圳市赛柏特通信技术有限公司 Intelligent alarm control system with mobile phone communication function

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115938075A (en) * 2022-11-03 2023-04-07 深圳市赛柏特通信技术有限公司 Intelligent alarm control system with mobile phone communication function
CN115938075B (en) * 2022-11-03 2024-05-03 深圳市南和移动通信科技股份有限公司 Intelligent alarm control system with mobile phone communication function

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Application publication date: 20220607