Charging pile for forward alternating current Boost rectification and reverse feedback

Abstract

The invention discloses a forward AC Boost rectification reverse feedback charging pile, which comprises a forward and reverse feedback charging pile, a charging pile body is arranged on the forward and reverse feedback charging pile, a rectification module, a bidirectional IGBT module, a bridge inverter circuit, a DC / DC rectification module, a JC-6511 controller and an electric meter are arranged in the charging pile, one connection end of the DC / DC rectification module is connected to a charging gun, and the other connection end of the DC / DC rectification module is connected to a charging pile. A protection module is arranged between the DC / DC rectification module and the charging gun, a touch display is arranged on the side wall of the charging pile body and connected with an electric meter, the charging pile with the forward and reverse feedback functions adopts efficient Boost rectification topology, high-voltage direct-current output is achieved, the requirement for rapid charging is met, seamless switching between a forward mode and a reverse mode is achieved through an intelligent control algorithm, and the charging pile with the forward and reverse feedback functions can be achieved. The system not only supports forward charging, but also can feed electric energy in a battery of the electric vehicle back to a power grid, so that the utilization efficiency of energy is improved, multiple safety protection functions are achieved, and stable and safe operation of the system in various modes is ensured.

Description

Technical Field

[0001] The present invention relates to the technical field of forward charging, and in particular to a charging pile with forward AC Boost rectification and reverse feedback. Background Art

[0002] A "forward AC Boost rectification reverse feedback charging pile" is a charging pile system that can realize the boost pulse rectification of AC input and the bidirectional feedback of DC energy, and has efficient forward charging and reverse energy feedback functions, especially a charging pile system with forward AC Boost rectification and reverse DC energy feedback functions, which is suitable for the bidirectional energy flow and management between electric vehicles and power grids. With the development of vehicle-to-grid interaction (V2G) technology, charging piles not only need to provide conventional forward charging functions, but also need to have the function of feeding back the electric energy in the electric vehicle battery to the power grid. Traditional charging piles mostly adopt a unidirectional rectification design, which is difficult to achieve reverse energy flow and efficient feedback. Therefore, an improved technology is urgently needed to solve this problem existing in the existing technology. Summary of the invention

[0003] The purpose of the present invention is to provide a charging pile with forward AC Boost rectification and reverse feedback, which adopts an efficient Boost rectification topology to achieve high-voltage DC output and meet the needs of fast charging. Through an intelligent control algorithm, it can achieve seamless switching between forward and reverse modes, not only supporting forward charging, but also feeding back the electric energy in the electric vehicle battery to the power grid, thereby improving the energy utilization efficiency. It has multiple safety protection functions to ensure the stable and safe operation of the system in various modes, so as to solve the problems raised in the above-mentioned background technology.

[0004] To achieve the above object, the present invention provides the following technical solutions: a forward AC Boost rectifier reverse feedback charging pile, comprising a forward and reverse feedback charging pile, the forward and reverse feedback charging pile is provided with a charging pile body, the charging pile is provided with a rectifier module, a bidirectional IGBT module, a bridge inverter circuit, a DC / DC rectifier module, a JC-6511 controller, and an electric meter, the rectifier module, the bidirectional IGBT module, the bridge inverter circuit, and the DC / DC rectifier module are connected in series;

[0005] One connection end of the DC / DC rectifier module is connected to the charging gun, and a protection module is provided between the DC / DC rectifier module and the charging gun;

[0006] A touch display is provided on the side wall of the charging pile body, and the touch display is connected to the electric meter.

[0007] Preferably, the rectifier module is a Boost rectifier module, a voltage module V1 is provided on the rectifier module, the positive electrode of the voltage module V1 is connected to the inductor L1, and the other end of the inductor L1 is connected to the positive electrode, the rectifier module is provided with a diode D1, a capacitor C1, and a resistor R5, the diode D1, the capacitor C1, and the resistor R5 are connected in parallel with each other, the positive electrode of the diode D1 is connected to the node between the voltage module V1 and the inductor L1, and the positive electrode of the capacitor C1 is connected to one end of the inductor L1.

[0008] Preferably, the bidirectional IGBT module is provided with a capacitor C2, and the positive electrode and negative electrode of the capacitor C2 are respectively provided with an IGBT tube Q1 and an IGBT tube Q2, and the IGBT tube Q1 and the IGBT tube Q2 are connected in series;

[0009] The IGBT tube Q1 is provided with a base S1, and the base S1 is provided with a collector and an emitter respectively. A diode D2 is provided between the emitter and the collector of the IGBT tube Q1, the anode of the diode D2 is connected to the collector of the IGBT tube Q1, and the cathode of the diode D2 is connected to the emitter on the IGBT tube Q1;

[0010] The IGBT tube Q2 is provided with a base S2, and the base S2 is provided with a collector and an emitter respectively. A diode D3 is provided between the emitter and the collector of the IGBT tube Q2, and the positive electrode of the diode D3 is connected to the collector of the IGBT tube Q2;

[0011] An inductor L is provided at the node between the IGBT tube Q1 and the IGBT tube Q2.

[0012] Preferably, the bidirectional IGBT module is provided with an IGBT drive circuit, the IGBT drive circuit is provided with a resistor R1, one end of the resistor R1 is connected to the VCC end, the other end of the resistor R1 is connected to the light-emitting diode LED, the other end of the light-emitting diode LED is connected to PWM, a transistor is provided on one side of the light-emitting diode, the collector of the transistor is connected to a 12V voltage, the emitter of the transistor is connected to resistors R2 and R3, the other connection end of the resistor R2 is grounded, the other connection end of the resistor R3 is provided with a field effect transistor FET, the resistor R3 is connected to the base of the field effect transistor FET, the drain of the field effect transistor FET is connected to AP, the source of the field effect transistor FET is connected to one end of the resistor R4, a bidirectional breakdown diode is provided on one side of the resistor R4, and a diode D4 is provided on one side of the field effect transistor FET.

[0013] Preferably, the bridge inverter circuit is provided with field effect transistors Q3, Q4, Q5 and Q6, a diode D5 is connected in parallel to one side of the field effect transistor Q3, the drain of the field effect transistor Q3 is connected to the positive electrode of the diode D5, and the source of the field effect transistor Q3 is connected to the negative electrode of the diode D5.

[0014] A diode D6 is connected in parallel to one side of the field effect transistor Q4, the drain of the field effect transistor Q4 is connected to the positive electrode of the diode D6, and the source of the field effect transistor Q4 is connected to the negative electrode of the diode D6. A diode D8 is connected in parallel to one side of the field effect transistor Q5, the drain of the field effect transistor Q5 is connected to the positive electrode of the diode D8, and the source of the field effect transistor Q5 is connected to the negative electrode of the diode D8. A diode D7 is connected in parallel to one side of the field effect transistor Q6, the drain of the field effect transistor Q6 is connected to the positive electrode of the diode D7, and the source of the field effect transistor Q6 is connected to the negative electrode of the diode D7. The gates of the field effect transistor Q3 and the field effect transistor Q4, the field effect transistor Q5, and the field effect transistor Q6 are all connected to the drive controller;

[0015] The bridge inverter circuit is provided with a voltage transformer TV, one connection end of the voltage transformer TV is connected to the node between the field effect transistor Q5 and the field effect transistor Q6, the other connection end of the voltage transformer TV is connected to the positive electrode of the capacitor C3, the negative electrode of the capacitor C3 is connected to the node between the field effect transistor Q3 and the field effect transistor Q5, one connection end of the voltage transformer TV is connected to the positive electrode of the capacitor C4, the other connection end of the capacitor C4 is connected to the resistor R5, the other connection end of the resistor R5 is connected to the connection end c on the bridge rectifier diode, and the connection end d on the bridge rectifier diode is connected to a point of the voltage transformer TV.

[0016] Preferably, the bridge inverter circuit adopts an H-bridge inverter circuit to convert direct current into alternating current, and feeds the converted alternating current back to the power grid.

[0017] Preferably, the JC-6511 controller is connected to the MCU and DSP to monitor the input voltage, current and grid status in real time, generate a PWM signal, and the JC-6511 controller controls the switching and operation of the Boost rectification and inversion.

[0018] Preferably, a charging process of a charging pile with forward AC Boost rectification and reverse feedback includes the following steps:

[0019] Forward charging mode: When the electric vehicle needs to be charged, the charging pile starts the Boost rectifier module to boost the AC power and convert it into DC power to charge the vehicle;

[0020] Reverse feedback mode: When energy needs to be fed back to the grid, the charging pile switches to inverter feedback mode, converting DC power into AC power through the inverter circuit and feeding it back to the grid;

[0021] Intelligent switching and protection: The system automatically switches between forward charging and reverse feedback according to the status of the power grid and the electric vehicle, and dynamically adjusts the output voltage and current in different modes. The system automatically switches between charging and feedback modes through intelligent control algorithms, and performs real-time safety monitoring.

[0022] Compared with the prior art, the present invention has the following beneficial effects:

[0023] (1) The bidirectional IGBT module uses an H-bridge inverter circuit to convert DC power into AC power and feed it back to the grid to achieve bidirectional energy flow. The module contains multiple sets of bidirectional switches, such as MOSFET or IGBT, to achieve switching and control of energy flow.

[0024] (2) One connection end of the DC / DC rectifier module is connected to the charging gun. A protection module is provided between the DC / DC rectifier module and the charging gun. The protection module regulates the current during the charging process to ensure a stable output constant current of the charging gun.

[0025] (3) A touch display is provided on the side wall of the charging pile body, which is connected to the electric meter. The parameters related to the charging pile body can be manually set through the touch display to achieve matching charging, greatly improving the safety of charging and ensuring charging efficiency;

[0026] (4) The JC-6511 controller controls the switching and operation of the Boost rectifier and inverter. The JC-6511 controller monitors the input voltage, current and grid status in real time through the MCU or DSP, generates a PWM signal, and controls the switching and operation of the Boost rectifier and inverter.

[0027] (5) The forward and reverse feedback charging pile 1 adopts an efficient Boost rectifier topology to achieve high-voltage DC output and meet the needs of fast charging. Through an intelligent control algorithm, it can achieve seamless switching between forward and reverse modes. It not only supports forward charging, but also can feed back the electrical energy in the electric vehicle battery to the power grid, thereby improving the energy utilization efficiency. Multiple safety protection functions ensure the stable and safe operation of the system in various modes. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 This is a schematic diagram of the structure of the charging pile with forward and reverse feedback of the present invention;

[0029] Figure 2 It is a schematic diagram of a rectifier circuit of the present invention;

[0030] Figure 3 This is a schematic diagram of the circuit structure of the bidirectional IGBT module of the present invention;

[0031] Figure 4 A schematic diagram of a bidirectional IGBT driving circuit of the present invention;

[0032] Figure 5 It is a schematic diagram of the structure of the bridge inverter circuit of the present invention.

[0033] In the figure: 1. Charging pile with positive and negative feedback; 2. Charging pile body; 3. Boost rectifier module; 4. Bidirectional IGBT module; 5. Bridge inverter circuit; 6. DC / DC rectifier module; 7. JC-6511 controller; 8. Electric meter; 9. Touch display. DETAILED DESCRIPTION

[0034] 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.

[0035] See also Figure 1-5 The present invention provides a technical solution: a forward AC Boost rectifier reverse feedback charging pile, comprising a forward and reverse feedback charging pile 1, the forward and reverse feedback charging pile 1 is provided with a charging pile body 2, the charging pile 2 is provided with a rectifier module 3, a bidirectional IGBT module 4, a bridge inverter circuit 5, a DC / DC rectifier module 6, a JC-6511 controller 7, and an electric meter 8, the rectifier module 3, the bidirectional IGBT module 4, the bridge inverter circuit 5, and the DC / DC rectifier module 6 are connected in series;

[0036] One connection end of the DC / DC rectifier module 6 is connected to the charging gun. A protection module is provided between the DC / DC rectifier module 6 and the charging gun. The protection module regulates the current during the charging process to ensure a stable output constant current of the charging gun.

[0037] A touch display 9 is provided on the side wall of the charging pile body 2, and the touch display 9 is connected to the electric meter 8. The parameters related to the charging pile body 2 can be manually set through the touch display 9 to achieve matching charging, greatly improve the safety of charging and ensure charging efficiency.

[0038] The rectifier module 3 is a Boost rectifier module. A voltage module V1 is provided on the rectifier module 3. The positive electrode of the voltage module V1 is connected to the inductor L1, and the other end of the inductor L1 is connected to the positive electrode. The rectifier module 3 is provided with a diode D1, a capacitor C1, and a resistor R5. The diode D1, the capacitor C1, and the resistor R5 are connected in parallel with each other. The positive electrode of the diode D1 is connected to the node between the voltage module V1 and the inductor L1, and the positive electrode of the capacitor C1 is connected to one end of the inductor L1. The charging pile starts the Boost rectifier module to boost the AC power and convert it into DC power to charge the vehicle.

[0039] The bidirectional IGBT module 4 is provided with a capacitor C2, and an IGBT tube Q1 and an IGBT tube Q2 are respectively provided on the positive and negative electrodes of the capacitor C2, and the IGBT tube Q1 and the IGBT tube Q2 are connected in series. The IGBT tube Q1 is provided with a base S1, and the base S1 is respectively provided with a collector and an emitter. A diode D2 is provided between the emitter and the collector of the IGBT tube Q1, and the positive electrode of the diode D2 is connected to the collector of the IGBT tube Q1, and the negative electrode of the diode D2 is connected to the emitter on the IGBT tube Q1.

[0040] The IGBT tube Q2 is provided with a base S2, and the base S2 is respectively provided with a collector and an emitter. A diode D3 is provided between the emitter and the collector of the IGBT tube Q2, and the anode of the diode D3 is connected to the collector of the IGBT tube Q2. An inductor L is provided at the node between the IGBT tubes Q1 and Q2.

[0041] The bidirectional IGBT module 4 uses an H-bridge inverter circuit to convert DC power into AC power and feed it back to the grid to achieve bidirectional energy flow. The module contains multiple sets of bidirectional switches, such as MOSFET or IGBT, for switching and controlling the energy flow direction.

[0042] The bidirectional IGBT module 4 is provided with an IGBT drive circuit, and the IGBT drive circuit is provided with a resistor R1, one end of the resistor R1 is connected to the VCC end, the other end of the resistor R1 is connected to the light-emitting diode LED, the other end of the light-emitting diode LED is connected to PWM, a transistor is provided on one side of the light-emitting diode, the collector of the transistor is connected to a 12V voltage, the emitter of the transistor is connected to resistors R2 and R3, the other connection end of the resistor R2 is grounded, the other connection end of the resistor R3 is provided with a field effect transistor FET, the resistor R3 is connected to the base of the field effect transistor FET, the drain of the field effect transistor FET is connected to AP, the source of the field effect transistor FET is connected to one end of the resistor R4, a bidirectional breakdown diode is provided on one side of the resistor R4, and a diode D4 is provided on one side of the field effect transistor FET.

[0043] The bridge inverter circuit 5 is provided with a field effect tube Q3, a field effect tube Q4, a field effect tube Q5, and a field effect tube Q6. A diode D5 is connected in parallel to one side of the field effect tube Q3, the drain of the field effect tube Q3 is connected to the positive electrode of the diode D5, and the source of the field effect tube Q3 is connected to the negative electrode of the diode D5. A diode D6 is connected in parallel to one side of the field effect tube Q4, the drain of the field effect tube Q4 is connected to the positive electrode of the diode D6, and the source of the field effect tube Q4 is connected to the negative electrode of the diode D6. A diode D8 is connected in parallel to one side of the field effect transistor Q5, the drain of the field effect transistor Q5 is connected to the anode of the diode D8, the source of the field effect transistor Q5 is connected to the cathode of the diode D8, a diode D7 is connected in parallel to one side of the field effect transistor Q6, the drain of the field effect transistor Q6 is connected to the anode of the diode D7, the source of the field effect transistor Q6 is connected to the cathode of the diode D7, and the gates of the field effect transistor Q3, the field effect transistor Q4, the field effect transistor Q5, and the field effect transistor Q6 are all connected to the drive controller.

[0044] A voltage transformer TV is provided on the bridge inverter circuit 5, one connection end of the voltage transformer TV is connected to the node between the field effect transistor Q5 and the field effect transistor Q6, the other connection end of the voltage transformer TV is connected to the positive electrode of the capacitor C3, the negative electrode of the capacitor C3 is connected to the node between the field effect transistor Q3 and the field effect transistor Q5, one connection end on the voltage transformer TV is connected to the positive electrode of the capacitor C4, the other connection end of the capacitor C4 is connected to the resistor R5, the other connection end of the resistor R5 is connected to the connection end c on the bridge rectifier diode, and the connection end d on the bridge rectifier diode is connected to a point of the voltage transformer TV.

[0045] The bridge inverter circuit 5 uses an H-bridge inverter circuit to convert direct current into alternating current, and feeds the converted alternating current back to the power grid.

[0046] The JC-6511 controller 7 is connected to the MCU and DSP to monitor the input voltage, current and grid status in real time, generate PWM signals, and control the switching and operation of the Boost rectifier and inverter. The JC-6511 controller 7 monitors the input voltage, current and grid status in real time through the MCU or DSP, generates PWM signals, and controls the switching and operation of the Boost rectifier and inverter.

[0047] The charging process of the charging pile with forward AC Boost rectification and reverse feedback: Forward charging mode: When the electric vehicle needs to be charged, the charging pile starts the Boost rectifier module 3, boosts the AC power and converts it into DC power to charge the vehicle.

[0048] Reverse feedback mode: When energy needs to be fed back to the grid, the charging pile switches to inverter feedback mode, converts DC power into AC power through the inverter circuit and feeds it back to the grid.

[0049] Intelligent switching and protection: The system automatically switches between forward charging and reverse feedback according to the status of the power grid and the electric vehicle, and dynamically adjusts the output voltage and current in different modes. The system automatically switches between charging and feedback modes through intelligent control algorithms, and performs real-time safety monitoring.

[0050] The forward and reverse feedback charging pile 1 adopts an efficient Boost rectifier topology to achieve high-voltage DC output and meet the needs of fast charging. Through an intelligent control algorithm, it can achieve seamless switching between forward and reverse modes. It not only supports forward charging, but also can feed back the electric energy in the electric vehicle battery to the power grid, thereby improving the energy utilization efficiency. Multiple safety protection functions ensure the stable and safe operation of the system in various modes.

[0051] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A forward AC boost rectifier reverse feedback charging pile, comprising a forward and reverse feedback charging pile (1), characterized in that: The forward and reverse feedback charging pile (1) is provided with a charging pile body (2), and the charging pile (2) is provided with a rectifier module (3), a bidirectional IGBT module (4), a bridge inverter circuit (5), a DC / DC rectifier module (6), a JC-6511 controller (7), and an electric meter (8) inside, wherein the rectifier module (3), the bidirectional IGBT module (4), the bridge inverter circuit (5), and the DC / DC rectifier module (6) are connected in series; A connection end of the DC / DC rectifier module (6) is connected to a charging gun, and a protection module is provided between the DC / DC rectifier module (6) and the charging gun; A touch display (9) is provided on the side wall of the charging pile body (2), and the touch display (9) is connected to the electric meter (8).

2. A charging pile with forward AC boost rectification and reverse feedback according to claim 1, characterized in that: The rectifier module (3) is a Boost rectifier module. A voltage module V1 is provided on the rectifier module (3). The positive electrode of the voltage module V1 is connected to the inductor L1. The other end of the inductor L1 is connected to the positive electrode. A diode D1, a capacitor C1, and a resistor R5 are provided on the rectifier module (3). The diode D1, the capacitor C1, and the resistor R5 are connected in parallel. The positive electrode of the diode D1 is connected to a node between the voltage module V1 and the inductor L1. The positive electrode of the capacitor C1 is connected to one end of the inductor L1.

3. A charging pile with forward AC boost rectification and reverse feedback according to claim 1, characterized in that: The bidirectional IGBT module (4) is provided with a capacitor C2, and the positive electrode and negative electrode of the capacitor C2 are respectively provided with an IGBT tube Q1 and an IGBT tube Q2, and the IGBT tube Q1 and the IGBT tube Q2 are connected in series; The IGBT tube Q1 is provided with a base S1, and the base S1 is provided with a collector and an emitter respectively. A diode D2 is provided between the emitter and the collector of the IGBT tube Q1, the anode of the diode D2 is connected to the collector of the IGBT tube Q1, and the cathode of the diode D2 is connected to the emitter on the IGBT tube Q1; The IGBT tube Q2 is provided with a base S2, and the base S2 is provided with a collector and an emitter respectively. A diode D3 is provided between the emitter and the collector of the IGBT tube Q2, and the positive electrode of the diode D3 is connected to the collector of the IGBT tube Q2; An inductor L is provided at the node between the IGBT tube Q1 and the IGBT tube Q2.

4. A charging pile with forward AC boost rectification and reverse feedback according to claim 1, characterized in that: The bidirectional IGBT module (4) is provided with an IGBT drive circuit, and the IGBT drive circuit is provided with a resistor R1, one end of the resistor R1 is connected to the VCC end, the other end of the resistor R1 is connected to the light emitting diode LED, the other end of the light emitting diode LED is connected to PWM, a transistor is provided on one side of the light emitting diode, the collector of the transistor is connected to a 12V voltage, the emitter of the transistor is connected to the resistor R2 and the resistor R3, the other connection end of the resistor R2 is grounded, the other connection end of the resistor R3 is provided with a field effect transistor FET, the resistor R3 is connected to the base of the field effect transistor FET, the drain of the field effect transistor FET is connected to AP, the source of the field effect transistor FET is connected to one end of the resistor R4, a bidirectional breakdown diode is provided on one side of the resistor R4, and a diode D4 is provided on one side of the field effect transistor FET.

5. The forward AC boost rectifier and reverse feedback charging pile according to claim 1, characterized in that: The bridge inverter circuit (5) is provided with a field effect transistor Q3, a field effect transistor Q4, a field effect transistor Q5, and a field effect transistor Q6. A diode D5 is connected in parallel to one side of the field effect transistor Q3. The drain of the field effect transistor Q3 is connected to the positive electrode of the diode D5. The source of the field effect transistor Q3 is connected to the negative electrode of the diode D5. A diode D6 is connected in parallel to one side of the field effect transistor Q4, the drain of the field effect transistor Q4 is connected to the positive electrode of the diode D6, and the source of the field effect transistor Q4 is connected to the negative electrode of the diode D6. A diode D8 is connected in parallel to one side of the field effect transistor Q5, the drain of the field effect transistor Q5 is connected to the positive electrode of the diode D8, and the source of the field effect transistor Q5 is connected to the negative electrode of the diode D8. A diode D7 is connected in parallel to one side of the field effect transistor Q6, the drain of the field effect transistor Q6 is connected to the positive electrode of the diode D7, and the source of the field effect transistor Q6 is connected to the negative electrode of the diode D7. The gates of the field effect transistor Q3 and the field effect transistor Q4, the field effect transistor Q5, and the field effect transistor Q6 are all connected to the drive controller; The bridge inverter circuit (5) is provided with a voltage transformer TV, one connection end of the voltage transformer TV is connected to the node between the field effect transistor Q5 and the field effect transistor Q6, the other connection end of the voltage transformer TV is connected to the positive electrode of the capacitor C3, the negative electrode of the capacitor C3 is connected to the node between the field effect transistor Q3 and the field effect transistor Q5, one connection end of the voltage transformer TV is connected to the positive electrode of the capacitor C4, the other connection end of the capacitor C4 is connected to the resistor R5, the other connection end of the resistor R5 is connected to the connection end c of the bridge rectifier diode, and the connection end d of the bridge rectifier diode is connected to a point of the voltage transformer TV.

6. The charging pile with forward AC boost rectification and reverse feedback according to claim 1, characterized in that: The bridge inverter circuit (5) adopts an H-bridge inverter circuit to convert direct current into alternating current, and feeds the converted alternating current back to the power grid.

7. The charging pile with forward AC boost rectification and reverse feedback according to claim 1, characterized in that: The JC-6511 controller (7) is connected to the MCU and DSP to monitor the input voltage, current and grid status in real time and generate a PWM signal. The JC-6511 controller (7) controls the switching and operation of the Boost rectification and inversion.

8. The charging process of the charging pile with forward AC Boost rectification and reverse feedback according to claim 1 comprises the following steps: Forward charging mode: When the electric vehicle needs to be charged, the charging pile starts the Boost rectifier module (3) to boost the AC power and convert it into DC power to charge the vehicle; Reverse feedback mode: When energy needs to be fed back to the grid, the charging pile switches to inverter feedback mode, converting DC power into AC power through the inverter circuit and feeding it back to the grid; Intelligent switching and protection: The system automatically switches between forward charging and reverse feedback according to the status of the power grid and the electric vehicle, and dynamically adjusts the output voltage and current in different modes. The system automatically switches between charging and feedback modes through intelligent control algorithms, and performs real-time safety monitoring.

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