A power supply intelligent management and control system

Abstract

The present invention discloses an intelligent power supply management and control system, which relates to the field of power supply management technology and includes a power supply processing module for accessing and transmitting AC power and performing voltage reduction, rectification and filtering, inversion and voltage transformation processing; a current sampling module for current sampling control, signal conversion and amplification and filtering; a voltage comparison module for setting an overvoltage threshold and voltage comparison and performing shunting degree detection; a power processing module for converting and amplifying and filtering the sampled signal after shunting, and performing rectification and storage; an intelligent control module for signal reception and module control; an electric energy regulation module for voltage regulation; an output processing module for output filtering and electric energy superposition processing and power supply to the output module. The intelligent power supply management and control system of the present invention can provide voltage stabilization, and when the sampled signal is greater than the set threshold, shunting power and electric energy processing are performed, which can improve the safety of the system and can also perform energy-saving power supply control.

Description

Technical Field

[0001] The present 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 existing power intelligent management and control system 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 current, large current may occur, which will lead to abnormal current sampling and even damage the detection circuit. Current limiting through bleeder resistors can easily lead to unnecessary energy loss, so it needs to be improved. Summary of the Invention

[0003] The embodiments of the present invention provide an intelligent power 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 an intelligent power management and control system, comprising: 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 connected to the intelligent control module, configured to receive and transmit AC power, perform voltage reduction, rectification and filtering processing on the transmitted AC power, and output a first electric energy; and upon receiving an inverter signal output by the intelligent control module, perform inversion, voltage transformation and rectification processing on the first electric energy, and output a second electric energy;

[0006] a current sampling module connected to the power processing module and the intelligent control module, configured 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; and stop outputting the first voltage signal upon receiving the power extraction signal output by the intelligent control module;

[0007] a voltage comparison module connected to the current sampling module, the power processing module, and the intelligent control module, and configured to set an overvoltage threshold; upon receiving a shunt signal output by the intelligent control module, perform subtraction processing on the overvoltage threshold and the second voltage signal output by the power processing module and output a third voltage signal; and output a first potential signal when the first voltage signal is greater than the overvoltage threshold or the third voltage signal is greater than the overvoltage threshold;

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

[0009] An intelligent control module is configured to receive a first voltage signal and a 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;

[0010] an electric energy regulation module connected to the power processing module and the intelligent control module, and configured to, upon receiving a pulse signal, perform voltage regulation processing on the received third electric energy and output fourth electric energy, and perform rectification and filtering processing on the pulse signal and output a driving signal;

[0011] an output processing module connected to the power processing module, the power regulation module, and the output module, configured to store and filter the second electric energy and transmit the second electric energy, store the fourth electric energy and perform superposition processing on the fourth electric energy, output the fifth electric energy, and transmit the fifth electric energy upon receiving a driving signal;

[0012] The output module is used to transmit the received second electric energy or fifth electric energy to a 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 transformer 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 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 switching 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 switching 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 is 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 is 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: the intelligent power management and control system of the present invention can control the power processing module by the intelligent control module to cooperate with the output processing module to process the input AC power and supply power to the output 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 supply 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 performs power supply work while ensuring current sampling, and the power supply 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 can perform power superposition and supply 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 following briefly introduces the drawings required for use in describing the embodiments of the present invention. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0027] Figure 1 A schematic block diagram of the principle of an intelligent power 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 This is a circuit diagram of a voltage comparison module provided by 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 clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. 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 making creative efforts are within the scope of protection of the present invention.

[0032] In one embodiment, see Figure 1 , a power intelligent management and control system, including: 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, a power 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 to output the first power. When receiving the inverter signal output by the intelligent control module 4, the power processing module 1 inverts, transforms and rectifies the first power to output the second power.

[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 sampling 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 voltage comparison module 3 performs subtraction processing on the overvoltage threshold and the second voltage signal output by the power processing module 5 and outputs a third voltage signal. When the first voltage signal is greater than the overvoltage threshold or the third voltage signal is greater than the overvoltage threshold, the voltage comparison module 3 outputs the first potential signal;

[0036] The power processing module 5 is connected to the current sampling module 2 and the intelligent control module 4, and is used to, upon receiving the power sampling signal or the shunting signal output by the intelligent control module 4, shunt the sampling signal and convert, amplify and filter the shunted sampling signal, output a second voltage signal, rectify and store the shunted sampling signal and output a third electric energy;

[0037] The intelligent control module 4 is configured 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 regulation module 6 is connected to the power processing module 5 and the intelligent control module 4, and is used to perform voltage regulation processing on the received third power and output fourth power when receiving the pulse signal, and perform rectification and filtering processing on the pulse signal and output 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, configured to store and filter the second electric energy and transmit the second electric energy, store the fourth electric energy and superimpose it on the second electric energy, output the fifth electric energy, and transmit the fifth electric energy upon receiving a driving signal;

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

[0041] In a specific embodiment, the power processing module 1 can adopt a power processing circuit composed of a power interface, an electric energy processing device, an inverter, a transformer, etc., which can 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 and the electric energy processing device are connected through a cable to transmit AC power; the current sampling module 2 can adopt a current sampling circuit composed of a current transformer, a thyristor, a processing device, etc., which can perform current sampling control, convert the sampled signal into a voltage signal and perform amplification and filtering processing; the voltage comparison module 3 can adopt a voltage comparison circuit composed of a voltage threshold device, an analog switch, a comparator, etc., which can set the overvoltage threshold, signal transmission switching, voltage comparison and voltage difference calculation; the intelligent control module 4 can be composed of a single-chip microcomputer The intelligent control circuit integrates many components such as an arithmetic unit, 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 thyristors, processing devices, energy storage devices, etc., which can perform shunting 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 inductors, field-effect transistors, thyristors, capacitors, 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 capacitors, diodes and field-effect transistors to perform output filtering, energy storage and power superposition control; the above-mentioned output module 8 can adopt an output circuit composed of output ports 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 above-mentioned power processing device can be composed of a transformer, a rectifier and a filter; the above-mentioned first inverter T1 can be composed of four groups of IGBTs; the above-mentioned first transformer CT1 can be a current transformer; and the above-mentioned first controller U1 can be an STM32 microcontroller.

[0045] Furthermore, the current sampling module 2 further 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 power 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 switching tube V1 can be an NPN transistor.

[0048] Furthermore, the power 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 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; and the energy storage device can be a battery.

[0051] Furthermore, 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, an OUT1 terminal and an 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 above-mentioned voltage threshold device can be composed of a reference power supply and a resistor to set the overvoltage threshold; the above-mentioned subtraction device can 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 above-mentioned first analog switch IC1 can be a CD4066 chip; the above-mentioned second switch tube V2 can be an NPN transistor; the above-mentioned first comparator A1 can be an LM358 comparator.

[0054] Furthermore, 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 transistor Q1 can be an N-channel field effect transistor; and 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 terminal 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 terminal of the third thyristor S3 and the gate of the first power tube Q1 and is connected to the second end of the energy storage device and the ground through the fourth capacitor C4. 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 this 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 a sampling signal. The power processing device performs voltage reduction and 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 processor. 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, outputs a third voltage signal, and transmits it 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 outputs a drive signal to trigger the second power tube Q2, the third thyristor S3 and the first power tube. The power tube Q1 is turned on, and the second power tube Q2 cooperates with the first inductor L1 and the third thyristor S3 to perform power regulation, and is stored by the third capacitor C3. The third capacitor C3 and the second electric energy stored in the second capacitor C2 are superimposed and processed to output the fifth electric energy, which is transmitted to the output port by the first power tube Q1 and the fourth diode D4, and then the electric energy is compensated 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 present invention is not limited to the details of the exemplary embodiments described above and that the invention can be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be included therein. Any reference sign in a claim should not be construed as limiting the claim to which it relates.

[0062] In addition, it should be understood that although this specification is described in terms of implementation methods, not every implementation method contains only one independent technical solution. This narrative method 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 can also be appropriately combined to form other implementation methods that can be understood by those skilled in the art.

Claims

1. An intelligent power management and control system, characterized by: The power supply intelligent management and control system includes: power supply processing module, current sampling module, voltage comparison module, intelligent control module, power processing module, power regulation module, output processing module and 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 first power. When receiving the inverter signal output by the intelligent control module, the power processing module inverts, transforms and rectifies the first power to output 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 and 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 voltage comparison module performs subtraction processing on the overvoltage threshold and the second voltage signal output by the power processing module and outputs a third voltage signal. When the first voltage signal is greater than the overvoltage threshold or the third voltage signal is greater than the overvoltage threshold, the voltage comparison module outputs the first potential signal; The power processing module is connected to the current sampling module and the intelligent control module, and is used to, when receiving the power sampling signal or the shunting signal output by the intelligent control module, perform shunting processing on the sampling signal and convert, amplify and filter the shunted sampling signal, output a second voltage signal, rectify and store the shunted sampling signal and output a third electric energy; The intelligent control module is configured to receive a first voltage signal and a second voltage signal, output an inversion signal, and output a shunt signal when receiving a 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 a shunt signal or a power-taking signal; The power regulation module is connected to the power processing module and the intelligent control module, and is used to perform voltage regulation processing on the received third power and output fourth power when receiving the pulse signal, and perform rectification and filtering processing on the pulse signal and output a 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 superimpose it 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; and 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 further 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 a 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 power processing device through a 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 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 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; A first input terminal of the subtraction device is connected to the voltage threshold device and the IN1 terminal of the first analog switch, 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 and the IO7 terminal of the first controller, OUT1 and OUT2 terminals of the first analog switch are both connected to the inverting terminal of the first comparator, a non-inverting terminal of the first comparator is connected to the output terminal of the second processing device, a CTRL1 terminal of the first analog switch is connected to the collector of the second switching tube and is connected to the first power supply through a fourth resistor, a CTRL2 terminal of the first analog switch is connected to the base of the second switching tube and the IO2 terminal of the first controller, the non-inverting terminal of the first comparator is connected to the output terminal of the first processing device, and the output terminal of the first comparator is connected to the IO5 terminal 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 power 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 is 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 is 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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