Intelligent charging and discharging control method and system for mobile power supply

Abstract

The invention discloses an intelligent charging and discharging control method and system for a mobile power supply, and relates to the technical field of mobile power supplies, the system comprises a photovoltaic control module, during charging, when the photovoltaic control module meets power supply and a second battery module is not fully charged, the second battery module is controlled to be charged in cooperation with an electric energy management module, and when the second battery module is fully charged, the second battery module is controlled to be charged. When the output voltage needs to be increased and the photovoltaic control module meets the power supply requirement, the first battery module is controlled to store energy, and when the photovoltaic control module cannot meet the power supply requirement, the bidirectional adjusting module accesses electric energy and controls the first battery module and the second battery module to store energy and discharge in series; the electric energy management module controls the first battery module and the photovoltaic control module to supply power in series, and when the photovoltaic control module cannot meet the power supply requirement, the first battery module and the second battery module supply power in series. The intelligent charging and discharging control method and system for the mobile power supply improve the power supply efficiency and the energy storage efficiency, increase the output voltage range and improve the power supply range of the mobile power supply.

Description

Technical Field

[0001] The present invention relates to the technical field of mobile power supplies, and in particular to a mobile power supply intelligent charging and discharging control method and system. Background Art

[0002] A mobile power bank is a portable charging device that integrates power supply and energy storage functions. It can charge electronic devices or provide standby power anytime and anywhere. In order to improve the energy-saving charging efficiency of mobile power banks, mobile power banks in the prior art generally adopt a hybrid energy storage method of photovoltaic and AC power to provide the energy storage device in the mobile power bank with the electric energy required for energy storage, and during discharge, the energy storage device provides the required electric energy. However, due to the limited capacity of the energy storage device, the endurance of the energy storage device is limited, which reduces the user experience. In addition, when discharging, when the electric energy provided by the energy storage device is significantly different from the required voltage, it is easy to cause a decrease in power supply efficiency. Therefore, there is room for improvement. Summary of the invention

[0003] An embodiment of the present invention provides a mobile power supply intelligent charging and discharging control method and system to solve the problems raised in the above background technology.

[0004] According to an embodiment of the present invention, a mobile power intelligent charging and discharging control system is provided, comprising: a photovoltaic control module, a photovoltaic detection module, a microcontroller module, a power management module, a first battery module, a second battery module, a battery detection module and a bidirectional regulation module; a photovoltaic control module connected to the microcontroller module, for photoelectric conversion and regulating the converted electric energy and outputting the first electric energy upon receiving the first regulating signal output by the microcontroller module, and transmitting the first electric energy to the first battery module upon receiving the first charging signal output by the microcontroller module; A photovoltaic detection module, connected to the photovoltaic control module, for sampling the first electric energy and outputting a first detection signal when the sampled signal is greater than a set charging threshold; A battery detection module, connected to the second battery module, for sampling the electric energy stored in the second battery module and outputting a second detection signal when the sampled signal is greater than a set full-charge threshold; A microcontroller module is connected to the photovoltaic detection module and the battery detection module, and is used to output a first adjustment signal. During the charging process, when the first detection signal is received and the second detection signal is not received, the second charging signal is output; when the first detection signal and the second detection signal are received, the first charging signal is output; when the first detection signal and the second detection signal are not received, the second adjustment signal is output; during the discharging process, a third adjustment signal is output; when the discharge voltage needs to be increased and the first detection signal is received, the first discharge signal is output; when the first detection signal is not received, the second discharge signal is output; an electric energy management module connected to the photovoltaic control module, the microcontroller module, the second battery module and the first battery module, and configured to transmit the first electric energy to the second battery module and the first battery module when receiving the second charging signal or the first discharging signal, transmit the third electric energy output by the second battery module to the first battery module when receiving the second discharging signal, control the first battery module and the second battery module to perform series energy storage, and transmit the fourth electric energy received by the first battery module to the second battery module; A first battery module is connected to the photovoltaic control module and the bidirectional regulation module, and is used to receive and store the first electric energy or the fourth electric energy provided by the bidirectional regulation module, release the stored electric energy and provide the second electric energy, and superimpose the first electric energy or the third electric energy transmitted by the electric energy management module to provide the fifth electric energy; a second battery module, configured to receive and store the first electrical energy or the fourth electrical energy, release the stored electrical energy and provide the third electrical energy; The bidirectional regulation module is connected to the microcontroller module and is used to step up the DC power and output the fourth power when receiving the second regulation signal, and step down the fifth power or the fifth power and output it when receiving the third regulation signal.

[0005] As a further solution of the present invention: the photovoltaic control module includes a photovoltaic power source, a first power tube, a first diode, a first inductor, a first capacitor, a fifth power tube and a fourth power tube; the microcontrol module includes a first controller; the first battery module includes a first battery and a second capacitor; Preferably, the first end of the photovoltaic power supply is connected to the drain of the first power tube, the source of the first power tube is connected to the cathode of the first diode and is connected to the first end of the first capacitor and the drain of the fifth power tube through the first inductor, the source of the fifth power tube is connected to the first end of the first battery and is connected to the second end of the first battery and the drain of the fourth power tube through the second capacitor, the source of the fourth power tube is connected to the second end of the first capacitor, the anode of the first diode, the second end of the photovoltaic power supply and the ground, the gate of the first power tube is connected to the IO1 end of the first controller, and the gate of the fourth power tube is connected to the gate of the fifth power tube and the IO4 end of the first controller.

[0006] As a further solution of the present invention: the photovoltaic detection module includes a first resistor, a second resistor and a discharge detection device; Preferably, one end of the first resistor is connected to the first end of the first capacitor, the other end of the first resistor is connected to the input end of the discharge detection device and connected to the second end of the first capacitor through the second resistor, and the output end of the discharge detection device is connected to the IO5 end of the first controller.

[0007] As a further solution of the present invention: the power management module includes a second power tube, a third power tube, a third resistor, a second inductor and a second diode; the second battery module includes a second battery; Preferably, the drain of the second power tube is connected to the first end of the first capacitor, the source of the second power tube is connected to the source of the third power tube and connected to one end of the second inductor through the third resistor, the other end of the second inductor is connected to the cathode of the second diode and the second end of the first battery, the first end of the second battery is connected to the drain of the third power tube, the anode of the second diode is connected to the second end of the second battery and the second end of the first capacitor, and the gate of the second power tube and the gate of the third power tube are respectively connected to the IO2 end and IO3 end of the first controller.

[0008] As a further solution of the present invention: the battery detection module includes a fourth resistor, a fifth resistor and a full-charge detection device; Preferably, one end of the fourth resistor is connected to the first end of the second battery, the other end of the fourth resistor is connected to the input end of the full charge detection device and connected to the second end of the second battery through the fifth resistor, and the output end of the full charge detection device is connected to the IO8 end of the first controller.

[0009] As a further solution of the present invention: the bidirectional regulation module includes a third inductor, a third capacitor, a sixth power tube, a seventh power tube, a fourth capacitor and an output port; Preferably, the drain of the sixth power tube is connected to the first end of the first battery and is connected to the second end of the second battery through the third capacitor, the source of the seventh power tube, one end of the fourth capacitor and one end of the output port, the source of the sixth power tube is connected to the drain of the seventh power tube and is connected to the other end of the fourth capacitor and the other end of the output port through the third inductor, and the gate of the sixth power tube and the gate of the seventh power tube are respectively connected to the IO6 terminal and IO7 terminal of the first controller.

[0010] In addition, to achieve the above object, the present invention also proposes a mobile power intelligent charging and discharging control method, which is applied to the mobile power intelligent charging and discharging control system as described above, and the steps of the method include: Preferably, the discharge information of the photovoltaic control module and the full charge information of the second battery module are obtained in real time; According to the information obtained, during the charging process, when the photovoltaic control module meets the power supply requirements and the second battery module is not fully charged, the second battery module is controlled to store energy; when the photovoltaic control module meets the power supply requirements and the second battery module is fully charged, the first battery module is controlled to store energy; when the photovoltaic control module cannot meet the power supply requirements, the bidirectional regulation module controls the first battery module and the second battery module to store energy in series; According to the information obtained, during the discharge process, a large voltage output is required, and when the photovoltaic control module meets the power supply requirements, the photovoltaic control module is controlled to be connected in series with the first battery module for power supply. When the photovoltaic control module does not meet the power supply requirements, the second battery module is controlled to be connected in series with the first battery module for power supply, and the bidirectional regulation module performs power regulation and electric energy output.

[0011] Compared with the prior art, the beneficial effects of the present invention are as follows: during the charging process, the intelligent charging and discharging control method and system of the mobile power supply of the present invention can cooperate with the power management module to control the second battery module to charge when the photovoltaic control module meets the power supply requirements and the second battery module is not fully charged; when the second battery module is fully charged, the first battery module can be controlled to store energy; when the photovoltaic control module cannot meet the power supply requirements, the bidirectional regulation module can access DC power and control the first battery module and the second battery module to store energy in series; during the discharging process, when the output power voltage needs to be increased and the photovoltaic control module meets the power supply requirements, the power management module controls the first battery module and the photovoltaic control module to supply power in series; when the photovoltaic control module cannot meet the power supply requirements, the first battery module and the second battery module are controlled to supply power in series, thereby improving the power supply efficiency and energy storage efficiency, increasing the output voltage range, and increasing the power supply range of the mobile power supply. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings required for use in the description of the embodiments of the present invention will be briefly introduced below. Obviously, the accompanying drawings in the following description are only some embodiments of the present invention. For ordinary technicians in this field, other accompanying drawings can be obtained based on these accompanying drawings without paying creative work.

[0013] Figure 1 A schematic block diagram of a mobile power supply intelligent charging and discharging control system provided by an embodiment of the present invention.

[0014] Figure 2 A circuit diagram of a mobile power supply intelligent charging and discharging control system provided by an embodiment of the present invention.

[0015] Figure 3 A circuit diagram of a battery detection module provided in an embodiment of the present invention.

[0016] Figure 4 A schematic flow chart of a mobile power supply intelligent charging and discharging control method provided in an embodiment of the present invention. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0018] In one embodiment, see Figure 1 , a mobile power intelligent charging and discharging control system, comprising: a photovoltaic control module 1, a photovoltaic detection module 2, a micro control module 3, a power management module 4, a first battery module 5, a second battery module 6, a battery detection module 7 and a bidirectional regulation module 8; Specifically, the photovoltaic control module 1 is connected to the microcontroller module 3, and is used for photoelectric conversion and, upon receiving a first adjustment signal output by the microcontroller module 3, adjusts the converted electric energy and outputs the first electric energy, and upon receiving a first charging signal output by the microcontroller module 3, transmits the first electric energy to the first battery module 5; The photovoltaic detection module 2 is connected to the photovoltaic control module 1 and is used to sample the first electric energy and output a first detection signal when the sampled signal is greater than a set charging threshold; The battery detection module 7 is connected to the second battery module 6 and is used to sample the electric energy stored in the second battery module 6 and output a second detection signal when the sampled signal is greater than a set full-charge threshold; The microcontroller module 3 is connected to the photovoltaic detection module 2 and the battery detection module 7, and is used to output a first adjustment signal. During the charging process, when the first detection signal is received and the second detection signal is not received, the second charging signal is output; when the first detection signal and the second detection signal are received, the first charging signal is output; when the first detection signal is not received, the second adjustment signal is output; during the discharging process, the third adjustment signal is output; when the discharge voltage needs to be increased and the first detection signal is received, the first discharge signal is output; when the first detection signal is not received, the second discharge signal is output; The power management module 4 is connected to the photovoltaic control module 1, the microcontroller module 3, the second battery module 6 and the first battery module 5, and is used to transmit the first power to the second battery module 6 and the first battery module 5 when receiving the second charging signal or the first discharging signal, and transmit the third power output by the second battery module 6 to the first battery module 5 when receiving the second discharging signal, control the first battery module 5 and the second battery module 6 to perform series energy storage and transmit the fourth power received by the first battery module 5 to the second battery module 6; The first battery module 5 is connected to the photovoltaic control module 1 and the bidirectional regulation module 8, and is used to receive and store the first electric energy or the fourth electric energy provided by the bidirectional regulation module 8, release the stored electric energy and provide the second electric energy, and superimpose the first electric energy or the third electric energy transmitted by the electric energy management module 4 to provide the fifth electric energy; a second battery module 6, for receiving and storing the first electrical energy or the fourth electrical energy, releasing the stored electrical energy and providing the third electrical energy; The bidirectional regulation module 8 is connected to the micro-control module 3, and is used to step up the input DC power and output the fourth power when receiving the second regulation signal, and step down the fifth power or the fifth power and output it when receiving the third regulation signal.

[0019] In a specific embodiment, the photovoltaic control module 1 can adopt a photovoltaic control circuit composed of a photovoltaic power source, a field effect tube, an inductor, etc., which can perform photoelectric conversion, MPPT power regulation and power transmission control; the photovoltaic detection module 2 can adopt a photovoltaic detection circuit composed of a resistor and a detection device, which can perform voltage sampling and set a charging threshold, and compare the voltage of the sampled signal with the charging threshold, and the charging threshold is the charging voltage of the second battery module 6; the microcontroller module 3 can adopt a microcontroller circuit composed of a single-chip microcomputer, which integrates many components such as an operator, a controller, a memory, and an input and output device to realize signal processing, data storage, module control, timing control and other functions; the power management module 4 can adopt a field effect tube, an inductor, etc. The electric energy management circuit composed of resistors, inductors, etc. can control the transmission state of electric energy, control the charge and discharge control of the second battery module 6, and realize the series connection state of the second battery module 6 or the photovoltaic control module 1 and the first battery module 5; the above-mentioned first battery module 5 can adopt a first battery circuit composed of batteries to store and discharge energy; the above-mentioned second battery module 6 can adopt a second battery circuit composed of batteries to store and discharge energy; the above-mentioned battery detection module 7 can adopt a battery detection circuit composed of resistors and detection devices, can perform power sampling and set the full-charge threshold, and compare the sampled signal with the voltage of the full-charge threshold; the above-mentioned bidirectional regulation module 8 can adopt a bidirectional regulation circuit composed of field effect transistors, resistors and capacitors, and can perform bidirectional regulation control of electric energy.

[0020] In another embodiment, see Figure 1 , Figure 2 , Figure 3 and Figure 4 The photovoltaic control module 1 includes a photovoltaic power source, a first power tube Q1, a first diode D1, a first inductor L1, a first capacitor C1, a fifth power tube Q5 and a fourth power tube Q4; the microcontroller module 3 includes a first controller U1; the first battery module 5 includes a first battery and a second capacitor C2; Specifically, the first end of the photovoltaic power supply is connected to the drain of the first power tube Q1, the source of the first power tube Q1 is connected to the cathode of the first diode D1 and is connected to the first end of the first capacitor C1 and the drain of the fifth power tube Q5 through the first inductor L1, the source of the fifth power tube Q5 is connected to the first end of the first battery and is connected to the second end of the first battery and the drain of the fourth power tube Q4 through the second capacitor C2, the source of the fourth power tube Q4 is connected to the second end of the first capacitor C1, the anode of the first diode D1, the second end of the photovoltaic power supply and the ground, the gate of the first power tube Q1 is connected to the IO1 end of the first controller U1, and the gate of the fourth power tube Q4 is connected to the gate of the fifth power tube Q5 and the IO4 end of the first controller U1.

[0021] In a specific embodiment, the first power tube Q1 can be an N-channel field effect tube, which cooperates with the first diode D1, the first inductor L1 and the first capacitor C1 to perform MPPT power regulation; the fifth power tube Q5 and the fourth power tube Q4 can both be N-channel field effect tubes to perform power transmission control; the first battery can be a storage battery; the first controller U1 can be an STM32 microcontroller.

[0022] Further, the photovoltaic detection module 2 includes a first resistor R1, a second resistor R2 and a discharge detection device; Specifically, one end of the first resistor R1 is connected to the first end of the first capacitor C1, the other end of the first resistor R1 is connected to the input end of the discharge detection device and connected to the second end of the first capacitor C1 through the second resistor R2, and the output end of the discharge detection device is connected to the IO5 end of the first controller U1.

[0023] In a specific embodiment, the first resistor R1 and the second resistor R2 perform voltage sampling; the discharge detection device may be composed of a reference power supply, a resistor and a comparator, wherein the reference power supply and the resistor set the charging threshold.

[0024] Furthermore, the power management module 4 includes a second power tube Q2, a third power tube Q3, a third resistor R3, a second inductor L2 and a second diode D2; the second battery module 6 includes a second battery; Specifically, the drain of the second power tube Q2 is connected to the first end of the first capacitor C1, the source of the second power tube Q2 is connected to the source of the third power tube Q3 and is connected to one end of the second inductor L2 through the third resistor R3, the other end of the second inductor L2 is connected to the cathode of the second diode D2 and the second end of the first battery, the first end of the second battery is connected to the drain of the third power tube Q3, the anode of the second diode D2 is connected to the second end of the second battery and the second end of the first capacitor C1, and the gate of the second power tube Q2 and the gate of the third power tube Q3 are respectively connected to the IO2 end and IO3 end of the first controller U1.

[0025] In a specific embodiment, the second power tube Q2 and the third power tube Q3 can both be N-channel field effect tubes; the second battery can be a storage battery.

[0026] Further, the battery detection module 7 includes a fourth resistor R4, a fifth resistor R5 and a full-charge detection device; Specifically, one end of the fourth resistor R4 is connected to the first end of the second battery, the other end of the fourth resistor R4 is connected to the input end of the full charge detection device and connected to the second end of the second battery through the fifth resistor R5, and the output end of the full charge detection device is connected to the IO8 end of the first controller U1.

[0027] In a specific embodiment, the fourth resistor R4 and the fifth resistor R5 perform voltage sampling; the full-charge detection device may be composed of a reference power supply, a resistor and a comparator, wherein the reference power supply and the resistor set the full-charge threshold.

[0028] Further, the bidirectional regulation module 8 includes a third inductor L3, a third capacitor C3, a sixth power tube Q6, a seventh power tube Q7, a fourth capacitor C4 and an output port; Specifically, the drain of the sixth power tube Q6 is connected to the first end of the first battery and the second end of the second battery through the third capacitor C3, the source of the seventh power tube Q7, one end of the fourth capacitor C4 and one end of the output port, the source of the sixth power tube Q6 is connected to the drain of the seventh power tube Q7 and the other end of the fourth capacitor C4 and the other end of the output port through the third inductor L3, and the gate of the sixth power tube Q6 and the gate of the seventh power tube Q7 are respectively connected to the IO6 terminal and the IO7 terminal of the first controller U1.

[0029] In a specific embodiment, the sixth power tube Q6 and the seventh power tube Q7 can both be N-channel field effect tubes. When the sixth power tube Q6 is working, it cooperates with the third inductor L3, the fourth capacitor C4 and the seventh power tube Q7 to perform step-down regulation. When the seventh power tube Q7 is working, it cooperates with the sixth power tube Q6, the third inductor L3 and the fourth capacitor C4 to perform step-up regulation.

[0030] The present invention also provides a mobile power intelligent charging and discharging control method, which is applied to the mobile power intelligent charging and discharging control system as described above, and the steps of the method include: S100, obtaining discharge information of the photovoltaic control module 1 and full charge information of the second battery module 6 in real time; S200, according to the acquired information, during the charging process, when the photovoltaic control module 1 meets the power supply requirements and the second battery module 6 is not fully charged, the second battery module 6 is controlled to store energy; when the photovoltaic control module 1 meets the power supply requirements and the second battery module 6 is fully charged, the first battery module 5 is controlled to store energy; when the photovoltaic control module 1 cannot meet the power supply requirements, the bidirectional regulation module 8 controls the first battery module 5 and the second battery module 6 to store energy in series; S300. According to the information obtained, during the discharge process, a large voltage output is required, and when the photovoltaic control module 1 meets the power supply requirements, the photovoltaic control module 1 is controlled to be connected in series with the first battery module 5 for power supply. When the photovoltaic control module 1 does not meet the power supply requirements, the second battery module 6 is controlled to be connected in series with the first battery module 5 for power supply. The bidirectional regulation module 8 performs power regulation and electric energy output.

[0031] In a mobile power intelligent charging and discharging control system of the present embodiment, a photovoltaic power source performs photoelectric conversion, an IO1 terminal of a first controller U1 outputs a first adjustment signal, controls the conduction state of a first power tube Q1, cooperates with a first diode D1, a first inductor L1 and a first capacitor C1 to perform MPPT power adjustment processing, and outputs a first electric energy, a first resistor R1 and a second resistor R2 perform voltage sampling on the first electric energy, and when the sampled signal is greater than a charging threshold value set by a discharge detection device, the discharge detection device outputs a signal in a high level state, i.e., a first detection signal, and at the same time, a fourth resistor R4 and a fifth resistor R5 perform power sampling on a second battery, and when the sampled signal is greater than a full charge threshold value set by a full charge detection device, the full charge detection device outputs a signal in a high level state, i.e., a second detection signal, which is received by an IO5 terminal and an IO8 terminal of the first controller U1, respectively, so that, during the charging operation, when the first detection signal is received and the second detection signal is not received, an IO2 terminal of the first controller U1 will output a second charging signal, control the conduction of the second power tube Q2, and then control the energy storage of the second battery, and when the first detection signal is received, the second detection signal is output by the IO2 terminal of the first controller U1. The second detection signal, the IO4 end of the first controller U1 outputs the first charging signal, controls the fourth power tube Q4 and the fifth power tube Q5 to be turned on, and controls the first battery to store energy. If the first detection signal is not received, the IO6 end of the first controller U1 will output the second adjustment signal, control the seventh power tube Q7 to be turned on, cooperate with the third inductor L3, the fourth capacitor C4 and the sixth power tube Q6 to step up and adjust the DC power connected to the output port, and control the first battery module 5 and the second battery module 6 to store energy in series. During the discharge process, the IO6 end of the first controller U1 outputs the third adjustment signal, cooperates with the third inductor L3, the fourth capacitor C4 and the seventh power tube Q7 to step down and adjust the power provided by the first battery module 5, and transmits it through the output port. When the output voltage needs to be increased and the first detection signal is received, the IO2 end of the first controller U1 outputs the first discharge signal, controls the second power tube Q2 to be turned on, and supplies power in series with the first battery. If the first detection signal is not received, the IO3 end of the first controller U1 outputs the second discharge signal to control the second battery to discharge in series with the first battery.

[0032] It will be apparent to those skilled in the art that the invention is not limited to the details of the exemplary embodiments described above and that the invention can be implemented in other specific forms without departing from the spirit or essential features of the invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of the invention is defined by the appended claims rather than the foregoing description, and it is intended that all variations falling within the meaning and scope of the equivalent elements of the claims be included in the invention. Any reference numeral in a claim should not be considered as limiting the claim to which it relates.

[0033] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A mobile power intelligent charging and discharging control system, characterized in that: The mobile power intelligent charge and discharge control system comprises: a photovoltaic control module, a photovoltaic detection module, a microcontroller module, an electric energy management module, a first battery module, a second battery module, a battery detection module and a bidirectional regulation module; The photovoltaic control module is connected to the microcontroller module, and is used for photoelectric conversion and, upon receiving a first adjustment signal output by the microcontroller module, adjusts the converted electric energy and outputs the first electric energy, and upon receiving a first charging signal output by the microcontroller module, transmits the first electric energy to the first battery module; The photovoltaic detection module is connected to the photovoltaic control module and is used to sample the first electric energy and output a first detection signal when the sampled signal is greater than a set charging threshold; The battery detection module is connected to the second battery module and is used to sample the electric energy stored in the second battery module and output a second detection signal when the sampled signal is greater than a set full-charge threshold; The microcontroller module is connected to the photovoltaic detection module and the battery detection module, and is used to output a first adjustment signal. During the charging process, when the first detection signal is received and the second detection signal is not received, the second charging signal is output; when the first detection signal and the second detection signal are received, the first charging signal is output; when the first detection signal is not received, the second adjustment signal is output; during the discharging process, the third adjustment signal is output; when the discharge voltage needs to be increased and the first detection signal is received, the first discharge signal is output; when the first detection signal is not received, the second discharge signal is output; The power management module is connected to the photovoltaic control module, the microcontroller module, the second battery module and the first battery module, and is used to transmit the first power to the second battery module and the first battery module when receiving the second charging signal or the first discharging signal, and transmit the third power output by the second battery module to the first battery module when receiving the second discharging signal, control the first battery module and the second battery module to perform series energy storage and transmit the fourth power received by the first battery module to the second battery module; The first battery module is connected to the photovoltaic control module and the bidirectional regulation module, and is used to receive and store the first electric energy or the fourth electric energy provided by the bidirectional regulation module, release the stored electric energy and provide the second electric energy, and superimpose the first electric energy or the third electric energy transmitted by the electric energy management module to provide the fifth electric energy; The second battery module is used to receive and store the first electrical energy or the fourth electrical energy, release the stored electrical energy and provide the third electrical energy; The bidirectional regulation module is connected to the microcontroller module, and is used to step up the voltage of the connected DC power and output the fourth power when receiving the second regulation signal, and step down the voltage of the fifth power or the fifth power and output it when receiving the third regulation signal.

2. A mobile power intelligent charging and discharging control system according to claim 1, characterized in that: The photovoltaic control module includes a photovoltaic power source, a first power tube, a first diode, a first inductor, a first capacitor, a fifth power tube and a fourth power tube; the microcontrol module includes a first controller; the first battery module includes a first battery and a second capacitor; The first end of the photovoltaic power supply is connected to the drain of the first power tube, the source of the first power tube is connected to the cathode of the first diode and connected to the first end of the first capacitor and the drain of the fifth power tube through the first inductor, the source of the fifth power tube is connected to the first end of the first battery and connected to the second end of the first battery and the drain of the fourth power tube through the second capacitor, the source of the fourth power tube is connected to the second end of the first capacitor, the anode of the first diode, the second end of the photovoltaic power supply and the ground, the gate of the first power tube is connected to the IO1 end of the first controller, and the gate of the fourth power tube is connected to the gate of the fifth power tube and the IO4 end of the first controller.

3. A mobile power intelligent charging and discharging control system according to claim 2, characterized in that: The photovoltaic detection module includes a first resistor, a second resistor and a discharge detection device; One end of the first resistor is connected to the first end of the first capacitor, the other end of the first resistor is connected to the input end of the discharge detection device and connected to the second end of the first capacitor through the second resistor, and the output end of the discharge detection device is connected to the IO5 end of the first controller.

4. A mobile power intelligent charge and discharge control system according to claim 2, characterized in that: The power management module includes a second power tube, a third power tube, a third resistor, a second inductor and a second diode; the second battery module includes a second battery; The drain of the second power tube is connected to the first end of the first capacitor, the source of the second power tube is connected to the source of the third power tube and connected to one end of the second inductor through the third resistor, the other end of the second inductor is connected to the cathode of the second diode and the second end of the first battery, the first end of the second battery is connected to the drain of the third power tube, the anode of the second diode is connected to the second end of the second battery and the second end of the first capacitor, and the gate of the second power tube and the gate of the third power tube are respectively connected to the IO2 end and IO3 end of the first controller.

5. A mobile power intelligent charging and discharging control system according to claim 4, characterized in that: The battery detection module includes a fourth resistor, a fifth resistor and a full-charge detection device; One end of the fourth resistor is connected to the first end of the second battery, the other end of the fourth resistor is connected to the input end of the full-charge detection device and connected to the second end of the second battery through the fifth resistor, and the output end of the full-charge detection device is connected to the IO8 end of the first controller.

6. A mobile power intelligent charge and discharge control system according to claim 4, characterized in that: The bidirectional regulation module includes a third inductor, a third capacitor, a sixth power tube, a seventh power tube, a fourth capacitor and an output port; The drain of the sixth power tube is connected to the first end of the first battery and is connected to the second end of the second battery through the third capacitor, the source of the seventh power tube, one end of the fourth capacitor and one end of the output port, the source of the sixth power tube is connected to the drain of the seventh power tube and is connected to the other end of the fourth capacitor and the other end of the output port through the third inductor, and the gate of the sixth power tube and the gate of the seventh power tube are respectively connected to the IO6 terminal and IO7 terminal of the first controller.

7. A mobile power supply intelligent charging and discharging control method, characterized in that: The method is applied to the mobile power intelligent charging and discharging control system according to any one of claims 1 to 6, and the steps of the method include: Real-time acquisition of discharge information of the photovoltaic control module and full charge information of the second battery module; According to the information obtained, during the charging process, when the photovoltaic control module meets the power supply requirements and the second battery module is not fully charged, the second battery module is controlled to store energy; when the photovoltaic control module meets the power supply requirements and the second battery module is fully charged, the first battery module is controlled to store energy; when the photovoltaic control module cannot meet the power supply requirements, the bidirectional regulation module controls the first battery module and the second battery module to store energy in series; According to the information obtained, during the discharge process, a large voltage output is required, and when the photovoltaic control module meets the power supply requirements, the photovoltaic control module is controlled to be connected in series with the first battery module for power supply. When the photovoltaic control module does not meet the power supply requirements, the second battery module is controlled to be connected in series with the first battery module for power supply, and the bidirectional regulation module performs power regulation and electric energy output.

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