Intelligent management control system for power supply

Abstract

The invention discloses a power supply intelligent management control system, and relates to the technical field of power supply management, and the system comprises a power supply processing module which is used for accessing and transmitting AC electric energy and carrying out voltage reduction, rectification filtering, inversion and transformation processing; the current sampling module is used for current sampling control, signal conversion and amplification filtering; the voltage comparison module is used for setting an overvoltage threshold value, comparing the overvoltage threshold value with the voltage and detecting the shunting degree; the power taking processing module is used for converting, amplifying and filtering the shunted sampling signals, and rectifying and storing the shunted sampling signals; the intelligent control module is used for signal receiving and module control; the electric energy adjusting module is used for adjusting voltage; and the output processing module is used for outputting filtering and electric energy superposition processing and supplying power to the output module. The intelligent management control system for the power supply can provide voltage stabilization and perform shunt power taking work and electric energy processing when a sampled signal is greater than a set threshold value, so that the safety of the system can be improved, and energy-saving power supply control can also be performed.

Description

Technical Field

[0001] The invention relates to the technical field of power management, in particular to an intelligent power management and control system. Background Art

[0002] Power Management (PM) is an indispensable technology in electronic systems. With the development of science and technology, people's requirements for the functional level of electrical equipment are constantly improving, and the power consumption of electrical equipment terminals is also increasing. In order to improve the management efficiency of power supply, the intelligent power management control system in the existing technology will sample the current of the transmission line at the input end. However, the current variation range of the transmission line is large. When sampling the current, a large current may occur, which will lead to abnormal current sampling and even damage the detection circuit. Current limiting through the bleeder resistor is easy to cause unnecessary energy loss, so it needs to be improved. Summary of the invention

[0003] The embodiment of the present invention provides a power supply intelligent management and control system to solve the problems raised in the above background technology.

[0004] According to an embodiment of the present invention, there is provided a power intelligent management and control system, including: a power processing module, a current sampling module, a voltage comparison module, an intelligent control module, a power processing module, a power regulation module, an output processing module and an output module;

[0005] A power processing module is connected to the intelligent control module, and is used to access and transmit AC power and perform voltage reduction, rectification and filtering processing on the transmitted AC power to output the first electric energy. When receiving the inverter signal output by the intelligent control module, the power processing module performs inversion, voltage transformation and rectification processing on the first electric energy to output the second electric energy.

[0006] A current sampling module, connected to the power processing module and the intelligent control module, for current sampling the transmitted AC power and outputting a sampling signal, receiving the first power and converting, amplifying and filtering the sampling signal, outputting a first voltage signal, and stopping outputting the first voltage signal when receiving the power-taking signal output by the intelligent control module;

[0007] A voltage comparison module is connected to the current sampling module, the power processing module and the intelligent control module, and is used to set an overvoltage threshold. When receiving the shunt signal output by the intelligent control module, the overvoltage threshold and the second voltage signal output by the power processing module are subtracted and a third voltage signal is output. When the first voltage signal is greater than the overvoltage threshold or the third voltage signal is greater than the overvoltage threshold, a first potential signal is output;

[0008] A power processing module is connected to the current sampling module and the intelligent control module, and is used to perform shunting processing on the sampling signal and convert, amplify and filter the shunted sampling signal when receiving the power sampling signal or shunting signal output by the intelligent control module, output a second voltage signal, rectify and store the shunted sampling signal and output a third electric energy;

[0009] An intelligent control module, for receiving a first voltage signal and a second voltage signal, outputting an inversion signal, and outputting a shunt signal when receiving a first potential signal, outputting a power-taking signal when the required output voltage is greater than the second electric energy, and outputting a pulse signal when outputting a shunt signal or a power-taking signal;

[0010] an electric energy regulating module, connected to the power taking processing module and the intelligent control module, for performing voltage regulation processing on the received third electric energy and outputting fourth electric energy, performing rectification and filtering processing on the pulse signal and outputting a driving signal when a pulse signal is received;

[0011] an output processing module, connected to the power processing module, the power regulating module and the output module, for storing and filtering the second electric energy and transmitting the second electric energy, storing the fourth electric energy and superimposing it with the second electric energy, outputting the fifth electric energy, and transmitting the fifth electric energy when receiving the driving signal;

[0012] The output module is used to transmit the received second electric energy or fifth electric energy to the connected electric device.

[0013] As a further solution of the present invention: the power processing module includes a power interface, a power processing device, a first inverter, a first transformer and a first rectifier; the current sampling module includes a first mutual inductor; the intelligent control module includes a first controller;

[0014] Preferably, the output end of the power interface passes through the center of the first mutual inductor and is connected to the input end of the power processing device, the output end of the power processing device is connected to the first end of the first inverter, the ground end of the power processing device is connected to the second end of the first inverter, the third end and the fourth end of the first inverter are respectively connected to the first end and the second end of the primary side of the first transformer, the first end and the second end of the secondary side of the first transformer are connected to the output processing module, and the fifth end of the first inverter is connected to the IO8 end of the first controller.

[0015] As a further solution of the present invention: the current sampling module further includes a first thyristor, a first resistor, a first capacitor, a first switch tube, a second resistor and a first processing device;

[0016] Preferably, one end of the first thyristor is connected to the first output end of the first mutual inductor, the other end of the first thyristor is connected to one end of the first capacitor and the first input end of the first processing device and is connected to the other end of the first capacitor, the emitter of the first switching tube, the second input end of the first processing device, the second output end of the first mutual inductor and the ground end through the first resistor, the output end of the first processing device is connected to the IO3 end of the first controller and the voltage comparison module, the control end of the first thyristor is connected to the collector of the first switching tube and is connected to the output end of the electric energy processing device through the second resistor, and the base of the first switching tube is connected to the IO1 end of the first controller.

[0017] As a further solution of the present invention: the power taking processing module includes a second thyristor, a second processing device, a second rectifier, a first diode, a second diode and an energy storage device;

[0018] Preferably, one end of the second thyristor is connected to the first output end of the first mutual inductor, the other end of the second thyristor is connected to the input end of the second processing device and the first end of the second rectifier, the output end of the second processing device is connected to the IO4 end of the first controller and the voltage comparison module, the second end of the second rectifier is grounded, the control end of the second thyristor is connected to the cathode of the first diode and the cathode of the second diode, the anode of the first diode and the anode of the second diode are respectively connected to the IO1 end and IO2 end of the first controller, and the third end and the fourth end of the first rectifier are respectively connected to the first end and the second end of the energy storage device.

[0019] As a further solution of the present invention: the voltage comparison module includes a voltage threshold device, a subtraction device, a first analog switch, a first power supply, a fourth resistor, a second switch tube, a first comparator and a third resistor;

[0020] Preferably, the first input end of the subtraction device is connected to the voltage threshold device and the IN1 end of the first analog switch, the second input end of the subtraction device is connected to the second processing device, the output end of the subtraction device is connected to the IN1 end of the first analog switch and the IO7 end of the first controller, the OUT1 end and the OUT2 end of the first analog switch are both connected to the inverting end of the first comparator, the non-inverting end of the first comparator is connected to the output end of the second processing device, the CTRL1 end of the first analog switch is connected to the collector of the second switch tube and is connected to the first power supply through a fourth resistor, the CTRL2 end of the first analog switch is connected to the base of the second switch tube and the IO2 end of the first controller, the non-inverting end of the first comparator is connected to the output end of the first processing device, and the output end of the first comparator is connected to the IO5 end of the first controller through a third resistor.

[0021] As a further solution of the present invention: the output processing module includes a second capacitor, a third capacitor, a third diode, a first power tube and a fourth diode; the output module includes an output port;

[0022] Preferably, one end of the second capacitor is connected to the anode of the third diode, the third end of the first rectifier and the first end of the third capacitor, the second end of the third capacitor is connected to the drain of the first power tube, the source of the first power tube is connected to the anode of the fourth diode, the cathode of the fourth diode is connected to the cathode of the third diode and one end of the output port, the other end of the second capacitor is connected to the other end of the output port, the fourth end of the first rectifier and the ground, and the gate of the first power tube is connected to the power regulation module.

[0023] As a further solution of the present invention: the power regulation module includes a first inductor, a second power tube, a third thyristor, a fifth diode and a fourth capacitor;

[0024] Preferably, the drain of the second power tube is connected to the anode of the third thyristor and connected to the first end of the energy storage device through the first inductor, the gate of the second power tube is connected to the IO6 end of the first controller and the anode of the fifth diode, the cathode of the fifth diode is connected to the control end of the third thyristor and the gate of the first power tube and connected to the second end of the energy storage device and the ground through the fourth capacitor, and the cathode of the third thyristor is connected to the second end of the third capacitor.

[0025] Compared with the prior art, the beneficial effects of the present invention are as follows: the intelligent power management and control system of the present invention can control the power processing module to cooperate with the output processing module to process the connected AC power and supply power to the output module by the intelligent control module, and the current sampling module performs current sampling and signal processing, and when the current of the signal sampled by the current sampling module is greater than the threshold set by the voltage comparison module or the voltage required by the output module is greater than the voltage provided by the output processing module, the power taking control module will be controlled to perform shunt processing or signal transmission, and at the same time the voltage comparison module adjusts the voltage value of the set threshold, and then while ensuring current sampling, power taking is performed, the power taking processing module performs rectification and energy storage and provides power to the output processing module through the power regulation module, so that the output processing module performs power superposition and supplies power to the output module, which can improve the safety of the system and perform energy-saving power supply control. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] 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.

[0027] Figure 1 A schematic block diagram of a power supply intelligent management and control system provided by an embodiment of the present invention.

[0028] Figure 2A circuit diagram of an intelligent power management and control system provided by an embodiment of the present invention.

[0029] Figure 3 A circuit diagram of a voltage comparison module provided in an embodiment of the present invention.

[0030] Figure 4 A circuit diagram of a power regulation module provided in an embodiment of the present invention. DETAILED DESCRIPTION

[0031] 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.

[0032] In one embodiment, see Figure 1 , a power intelligent management and control system, comprising: a power processing module 1, a current sampling module 2, a voltage comparison module 3, an intelligent control module 4, a power processing module 5, an electric energy regulation module 6, an output processing module 7 and an output module 8;

[0033] Specifically, the power processing module 1 is connected to the intelligent control module 4, and is used to access and transmit AC power and perform voltage reduction, rectification and filtering processing on the transmitted AC power, and output the first electric energy. When receiving the inverter signal output by the intelligent control module 4, the power processing module 1 performs inversion, voltage transformation and rectification processing on the first electric energy, and outputs the second electric energy.

[0034] The current sampling module 2 is connected to the power processing module 1 and the intelligent control module 4, and is used to perform current sampling on the transmitted AC power and output a sampling signal, receive the first power, convert, amplify and filter the sampling signal, and output a first voltage signal. When receiving the power-taking signal output by the intelligent control module 4, the output of the first voltage signal is stopped;

[0035] The voltage comparison module 3 is connected to the current sampling module 2, the power processing module 5 and the intelligent control module 4, and is used to set the overvoltage threshold. When receiving the shunt signal output by the intelligent control module 4, the overvoltage threshold and the second voltage signal output by the power processing module 5 are subtracted and a third voltage signal is output. When the first voltage signal is greater than the overvoltage threshold or the third voltage signal is greater than the overvoltage threshold, the first potential signal is output;

[0036] The power processing module 5 is connected to the current sampling module 2 and the intelligent control module 4, and is used for, when receiving the power sampling signal or the shunting signal output by the intelligent control module 4, shunting the sampling signal and converting, amplifying and filtering the shunted sampling signal, outputting a second voltage signal, rectifying and storing the shunted sampling signal and outputting a third electric energy;

[0037] The intelligent control module 4 is used to receive the first voltage signal and the second voltage signal, output an inversion signal, and output a shunt signal when receiving the first potential signal, output a power-taking signal when the required output voltage is greater than the second electric energy, and output a pulse signal when outputting the shunt signal or the power-taking signal;

[0038] The power regulating module 6 is connected to the power taking processing module 5 and the intelligent control module 4, and is used for performing voltage regulation processing on the received third power and outputting fourth power when receiving the pulse signal, and performing rectification and filtering processing on the pulse signal and outputting a driving signal;

[0039] an output processing module 7, connected to the power processing module 1, the power regulation module 6 and the output module 8, for storing and filtering the second electric energy and transmitting the second electric energy, storing the fourth electric energy and superimposing it with the second electric energy, outputting the fifth electric energy, and transmitting the fifth electric energy when receiving the driving signal;

[0040] The output module 8 is used to transmit the received second electric energy or fifth electric energy to the connected electric device.

[0041] In a specific embodiment, the power processing module 1 may adopt a power processing circuit composed of a power interface, an electric energy processing device, an inverter, a transformer, etc., which may be connected to AC power and perform voltage reduction, rectification and filtering processing on the AC power, and then perform inversion, voltage transformation and output rectification processing, wherein the power interface is connected to the electric energy processing device through a cable to transmit AC power; the current sampling module 2 may adopt a current sampling circuit composed of a current transformer, a thyristor, a processing device, etc., which may perform current sampling control, convert the sampled signal into a voltage signal and perform amplification and filtering processing; the voltage comparison module 3 may adopt a voltage comparison circuit composed of a voltage threshold device, an analog switch, a comparator, etc., which may set an overvoltage threshold, signal transmission switching, voltage comparison and voltage difference calculation; the intelligent control module 4 may be composed of a single-chip microcomputer The intelligent control circuit integrates many components such as an operator, a controller, a memory, and an input and output device to realize functions such as signal processing, data storage, module control, and timing control; the above-mentioned power processing module 5 can adopt a power processing circuit composed of a thyristor, a processing device, an energy storage device, etc., which can perform shunt power, signal conversion, amplification and filtering processing, and rectification and energy storage; the above-mentioned power regulation module 6 can adopt a power regulation circuit composed of an inductor, a field effect transistor, a thyristor, a capacitor, etc., to perform voltage regulation control and signal rectification and filtering processing; the above-mentioned output processing module 7 can adopt an output processing circuit composed of a capacitor, a diode and a field effect transistor to perform output filtering, energy storage and power superposition control; the above-mentioned output module 8 can adopt an output circuit composed of an output port to receive power and power the connected electrical equipment.

[0042] In another embodiment, see Figure 1 , Figure 2 , Figure 3 and Figure 4 The power processing module 1 includes a power interface, a power processing device, a first inverter T1, a first transformer A1 and a first rectifier T2; the current sampling module 2 includes a first mutual inductor CT1; the intelligent control module 4 includes a first controller U1;

[0043] Specifically, the output end of the power interface passes through the center of the first transformer CT1 and is connected to the input end of the power processing device, the output end of the power processing device is connected to the first end of the first inverter T1, the ground end of the power processing device is connected to the second end of the first inverter T1, the third end and the fourth end of the first inverter T1 are respectively connected to the first end and the second end of the primary side of the first transformer A1, the first end and the second end of the secondary side of the first transformer A1 are connected to the output processing module 7, and the fifth end of the first inverter T1 is connected to the IO8 end of the first controller U1.

[0044] In a specific embodiment, the electric energy processing device may be composed of a transformer, a rectifier and a filter; the first inverter T1 may be composed of four groups of IGBTs; the first transformer CT1 may be a current transformer; and the first controller U1 may be a STM32 single-chip microcomputer.

[0045] Furthermore, the current sampling module 2 also includes a first thyristor S1, a first resistor R1, a first capacitor C1, a first switch tube V1, a second resistor R2 and a first processing device;

[0046] Specifically, one end of the first thyristor S1 is connected to the first output end of the first transformer CT1, the other end of the first thyristor S1 is connected to one end of the first capacitor C1 and the first input end of the first processing device and is connected to the other end of the first capacitor C1, the emitter of the first switching tube V1, the second input end of the first processing device, the second output end of the first transformer CT1 and the ground end through the first resistor R1, the output end of the first processing device is connected to the IO3 end of the first controller U1 and the voltage comparison module 3, the control end of the first thyristor S1 is connected to the collector of the first switching tube V1 and is connected to the output end of the electric energy processing device through the second resistor R2, and the base of the first switching tube V1 is connected to the IO1 end of the first controller U1.

[0047] In a specific embodiment, the first thyristor S1 can be a bidirectional thyristor; the first processing device can be composed of an operational amplifier, a capacitor and a resistor to convert the signal into a voltage signal and perform signal amplification and filtering processing; the first switch tube V1 can be an NPN transistor.

[0048] Further, the power taking processing module 5 includes a second thyristor S2, a second processing device, a second rectifier T3, a first diode D1, a second diode D2 and an energy storage device;

[0049] Specifically, one end of the second thyristor S2 is connected to the first output end of the first transformer CT1, the other end of the second thyristor S2 is connected to the input end of the second processing device and the first end of the second rectifier T3, the output end of the second processing device is connected to the IO4 end of the first controller U1 and the voltage comparison module 3, the second end of the second rectifier T3 is grounded, the control end of the second thyristor S2 is connected to the cathode of the first diode D1 and the cathode of the second diode D2, the anode of the first diode D1 and the anode of the second diode D2 are respectively connected to the IO1 end and the IO2 end of the first controller U1, and the third end and the fourth end of the first rectifier T2 are respectively connected to the first end and the second end of the energy storage device.

[0050] In a specific embodiment, the second thyristor S2 can be a bidirectional thyristor; the circuit composition structure of the second processing device is the same as the circuit composition structure of the first resistor R1, the first capacitor C1 and the first processing device; the energy storage device can be a battery.

[0051] Further, the voltage comparison module 3 includes a voltage threshold device, a subtraction device, a first analog switch IC1, a first power supply VCC1, a fourth resistor R4, a second switch tube V2, a first comparator A1 and a third resistor R3;

[0052] Specifically, a first input terminal of the subtraction device is connected to the voltage threshold device and the IN1 terminal of the first analog switch IC1, a second input terminal of the subtraction device is connected to the second processing device, an output terminal of the subtraction device is connected to the IN1 terminal of the first analog switch IC1 and the IO7 terminal of the first controller U1, OUT1 terminal and OUT2 terminal of the first analog switch IC1 are both connected to the inverting terminal of the first comparator A1, a non-inverting terminal of the first comparator A1 is connected to the output terminal of the second processing device, a CTRL1 terminal of the first analog switch IC1 is connected to the collector of the second switch tube V2 and is connected to the first power supply VCC1 through a fourth resistor R4, a CTRL2 terminal of the first analog switch IC1 is connected to the base of the second switch tube V2 and the IO2 terminal of the first controller U1, a non-inverting terminal of the first comparator A1 is connected to the output terminal of the first processing device, and an output terminal of the first comparator A1 is connected to the IO5 terminal of the first controller U1 through a third resistor R3.

[0053] In a specific embodiment, the voltage threshold device may be composed of a reference power supply and a resistor to set the overvoltage threshold; the subtraction device may be composed of an operational amplifier and a resistor, and the voltage at the first input terminal of the subtraction device is subtracted from the voltage at the second input terminal of the subtraction device; the first analog switch IC1 may use a CD4066 chip; the second switch tube V2 may use an NPN transistor; the first comparator A1 may use an LM358 comparator.

[0054] Further, the output processing module 7 includes a second capacitor C2, a third capacitor C3, a third diode D3, a first power tube Q1 and a fourth diode D4; the output module 8 includes an output port;

[0055] Specifically, one end of the second capacitor C2 is connected to the anode of the third diode D3, the third end of the first rectifier T2 and the first end of the third capacitor C3, the second end of the third capacitor C3 is connected to the drain of the first power tube Q1, the source of the first power tube Q1 is connected to the anode of the fourth diode D4, the cathode of the fourth diode D4 is connected to the cathode of the third diode D3 and one end of the output port, the other end of the second capacitor C2 is connected to the other end of the output port, the fourth end of the first rectifier T2 and the ground, and the gate of the first power tube Q1 is connected to the power regulation module.

[0056] In a specific embodiment, the second capacitor C2 and the third capacitor C3 can both be energy storage capacitors; the first power tube Q1 can be an N-channel field effect tube; the third diode D3 and the fourth diode D4 both perform unidirectional power transmission.

[0057] Furthermore, the power regulation module 6 includes a first inductor L1, a second power tube Q2, a third thyristor S3, a fifth diode D5 and a fourth capacitor C4;

[0058] Specifically, the drain of the second power tube Q2 is connected to the anode of the third thyristor S3 and is connected to the first end of the energy storage device through the first inductor L1, the gate of the second power tube Q2 is connected to the IO6 end of the first controller U1 and the anode of the fifth diode D5, the cathode of the fifth diode D5 is connected to the control end of the third thyristor S3 and the gate of the first power tube Q1 and is connected to the second end and the ground of the energy storage device through the fourth capacitor C4, and the cathode of the third thyristor S3 is connected to the second end of the third capacitor C3.

[0059] In a specific embodiment, the second power tube Q2 can be an N-channel field effect tube, which cooperates with the first inductor L1 and the third thyristor S3 to perform power regulation, wherein the third thyristor S3 can be a unidirectional thyristor.

[0060] In a power intelligent management and control system of the present embodiment, the power interface is connected to the AC power and the AC power is transmitted to the power device. The first transformer CT1 samples the current of the AC power transmitted between the power interface and the power processing device and outputs the sampling signal. The power processing device performs voltage reduction, rectification and filtering processing to output the first power. The IO8 terminal of the first controller U1 outputs an inversion signal to control the first inverter T1 to work and cooperate with the first transformer A1 and the first rectifier T2 to invert, transform and rectify the first power and output the second power. The second power is transmitted to the output port through the third diode D3. At the same time, the sampling signal passes through the first resistor R1, the first capacitor C1 and the first place After the processing device performs signal conversion, amplification and filtering, it outputs a first voltage signal. The CTRL1 end of the first analog switch IC1 is powered by the first power supply VCC1, and the IN1 end and OUT1 end of the first analog switch IC1 are turned on. The overvoltage threshold set by the voltage threshold device is transmitted to the first comparator A1, and then compared with the first voltage signal. When the first voltage signal is greater than the overvoltage threshold, the first potential signal is output and received by the IO5 end of the first controller U1, indicating that the signal current sampled by the first transformer CT1 is large. At this time, the IO2 end of the first controller U1 will output a shunt signal to control the second thyristor S2 and the second switch tube V2 to be turned on. The second processing device processes the input The signal is converted, amplified and filtered to output a second voltage signal. The subtraction device performs subtraction processing on the overvoltage threshold and the second voltage signal to output a third voltage signal, which is transmitted to the IO7 terminal of the first controller U1. At the same time, the IN2 terminal and the OUT2 terminal of the first analog switch IC1 are turned on, and the third voltage signal is used as the overvoltage threshold. The signal transmitted by the second thyristor S2 is rectified by the second rectifier T3, and the energy storage device stores energy. The IO6 terminal of the first controller U1 outputs a pulse signal, which is rectified and filtered by the fifth diode D5 and the fourth capacitor C4, and a drive signal is output to trigger the second power tube Q2, the third thyristor S3 and the first power tube Q2. The rate tube Q1 is turned on, the second power tube Q2 cooperates with the first inductor L1 and the third thyristor S3 to adjust the power, and the third capacitor C3 stores the second electric energy, the third capacitor C3 and the second capacitor C2 store the second electric energy for superposition processing, and output the fifth electric energy, the first power tube Q1 and the fourth diode D4 transmit the fifth electric energy to the output port, and then perform electric energy compensation to stabilize the output electric energy. In addition, when the voltage required by the output port is greater than the electric energy provided by the output processing module 7, the power-taking signal is output at the IO1 end of the first controller U1, and the first thyristor S1 is controlled to be cut off, so that the second thyristor S2 transmits the signal output by the first mutual inductor CT1 to the second rectifier T3, and then performs power-taking processing.

[0061] 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.

[0062] 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 power supply intelligent management and control system, characterized in that: The power intelligent management and control system includes: a power processing module, a current sampling module, a voltage comparison module, an intelligent control module, a power processing module, an electric energy regulation module, an output processing module and an output module; The power processing module is connected to the intelligent control module, and is used to access and transmit AC power and perform voltage reduction, rectification and filtering processing on the transmitted AC power to output the first power. When receiving the inverter signal output by the intelligent control module, the power processing module performs inversion, voltage transformation and rectification processing on the first power to output the second power. The current sampling module is connected to the power processing module and the intelligent control module, and is used to perform current sampling on the transmitted AC power and output a sampling signal, receive the first power, convert, amplify and filter the sampling signal, and output a first voltage signal. When receiving the power sampling signal output by the intelligent control module, the output of the first voltage signal is stopped; The voltage comparison module is connected to the current sampling module, the power processing module and the intelligent control module, and is used to set the overvoltage threshold. When receiving the shunt signal output by the intelligent control module, the overvoltage threshold and the second voltage signal output by the power processing module are subtracted and a third voltage signal is output. When the first voltage signal is greater than the overvoltage threshold or the third voltage signal is greater than the overvoltage threshold, the first potential signal is output; The power processing module is connected to the current sampling module and the intelligent control module, and is used to perform shunting processing on the sampling signal and convert, amplify and filter the shunted sampling signal when receiving the power sampling signal or shunting signal output by the intelligent control module, output a second voltage signal, rectify and store the shunted sampling signal and output a third electric energy; The intelligent control module is used to receive the first voltage signal and the second voltage signal, output an inversion signal, and output a shunt signal when receiving the first potential signal, output a power-taking signal when the required output voltage is greater than the second electric energy, and output a pulse signal when outputting the shunt signal or the power-taking signal; The electric energy regulation module is connected to the power taking processing module and the intelligent control module, and is used to perform voltage regulation processing on the received third electric energy and output the fourth electric energy when receiving the pulse signal, and perform rectification and filtering processing on the pulse signal and output the driving signal; The output processing module is connected to the power processing module, the power regulation module and the output module, and is used to store and filter the second power and transmit the second power, store the fourth power and perform superposition processing with the second power, output the fifth power, and transmit the fifth power when receiving the driving signal; The output module is used to transmit the received second electric energy or fifth electric energy to the connected electric device.

2. The intelligent power management and control system according to claim 1, characterized in that: The power processing module includes a power interface, a power processing device, a first inverter, a first transformer and a first rectifier; the current sampling module includes a first mutual inductor; the intelligent control module includes a first controller; The output end of the power interface passes through the center of the first mutual inductor and is connected to the input end of the power processing device. The output end of the power processing device is connected to the first end of the first inverter. The ground end of the power processing device is connected to the second end of the first inverter. The third and fourth ends of the first inverter are respectively connected to the first and second ends of the primary side of the first transformer. The first and second ends of the secondary side of the first transformer are connected to the output processing module. The fifth end of the first inverter is connected to the IO8 end of the first controller.

3. The intelligent power management and control system according to claim 2, characterized in that: The current sampling module also includes a first thyristor, a first resistor, a first capacitor, a first switch tube, a second resistor and a first processing device; One end of the first thyristor is connected to the first output end of the first mutual inductor, the other end of the first thyristor is connected to one end of the first capacitor and the first input end of the first processing device and is connected to the other end of the first capacitor, the emitter of the first switching tube, the second input end of the first processing device, the second output end of the first mutual inductor and the ground end through the first resistor, the output end of the first processing device is connected to the IO3 end of the first controller and the voltage comparison module, the control end of the first thyristor is connected to the collector of the first switching tube and is connected to the output end of the electric energy processing device through the second resistor, and the base of the first switching tube is connected to the IO1 end of the first controller.

4. The intelligent power management and control system according to claim 3, characterized in that: The power taking processing module includes a second thyristor, a second processing device, a second rectifier, a first diode, a second diode and an energy storage device; One end of the second thyristor is connected to the first output end of the first mutual inductor, the other end of the second thyristor is connected to the input end of the second processing device and the first end of the second rectifier, the output end of the second processing device is connected to the IO4 end of the first controller and the voltage comparison module, the second end of the second rectifier is grounded, the control end of the second thyristor is connected to the cathode of the first diode and the cathode of the second diode, the anode of the first diode and the anode of the second diode are respectively connected to the IO1 end and the IO2 end of the first controller, and the third end and the fourth end of the first rectifier are respectively connected to the first end and the second end of the energy storage device.

5. The intelligent power management and control system according to claim 4, characterized in that: The voltage comparison module includes a voltage threshold device, a subtraction device, a first analog switch, a first power supply, a fourth resistor, a second switch tube, a first comparator and a third resistor; The first input end of the subtraction device is connected to the voltage threshold device and the IN1 end of the first analog switch, the second input end of the subtraction device is connected to the second processing device, the output end of the subtraction device is connected to the IN1 end of the first analog switch and the IO7 end of the first controller, the OUT1 end and the OUT2 end of the first analog switch are both connected to the inverting end of the first comparator, the non-inverting end of the first comparator is connected to the output end of the second processing device, the CTRL1 end of the first analog switch is connected to the collector of the second switch tube and is connected to the first power supply through a fourth resistor, the CTRL2 end of the first analog switch is connected to the base of the second switch tube and the IO2 end of the first controller, the non-inverting end of the first comparator is connected to the output end of the first processing device, and the output end of the first comparator is connected to the IO5 end of the first controller through a third resistor.

6. The intelligent power management and control system according to claim 4, characterized in that: The output processing module includes a second capacitor, a third capacitor, a third diode, a first power tube and a fourth diode; the output module includes an output port; One end of the second capacitor is connected to the anode of the third diode, the third end of the first rectifier and the first end of the third capacitor, the second end of the third capacitor is connected to the drain of the first power tube, the source of the first power tube is connected to the anode of the fourth diode, the cathode of the fourth diode is connected to the cathode of the third diode and one end of the output port, the other end of the second capacitor is connected to the other end of the output port, the fourth end of the first rectifier and the ground, and the gate of the first power tube is connected to the power regulation module.

7. The intelligent power management and control system according to claim 6, characterized in that: The electric energy regulation module includes a first inductor, a second power tube, a third thyristor, a fifth diode and a fourth capacitor; The drain of the second power tube is connected to the anode of the third thyristor and connected to the first end of the energy storage device through the first inductor, the gate of the second power tube is connected to the IO6 end of the first controller and the anode of the fifth diode, the cathode of the fifth diode is connected to the control end of the third thyristor and the gate of the first power tube and connected to the second end of the energy storage device and the ground through the fourth capacitor, and the cathode of the third thyristor is connected to the second end of the third capacitor.

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