40KW charging module PFC circuit layout structure

Abstract

The utility model provides a 40 KW charging module PFC circuit layout structure which can improve power supply speed, improve power-on response and avoid signal attenuation and loss. Comprising a printed circuit board, the printed circuit board is provided with a first printing area used for filtering, a second printing area used for power supply control and a third printing area used for rectification conversion, and the first printing area, the second printing area and the third printing area are sequentially and electrically connected through lines. The first printing area and the second printing area are arranged on the printed circuit board in parallel up and down, and the third printing area is arranged on the printed circuit board on one side of the first printing area.

Description

TECHNICAL FIELD

[0001] The utility model relates to 40KW high -power charging technical field, concretely is a kind of 40KW charging module PFC circuit layout structure. BACKGROUND

[0002] In the process of vigorous development of new energy automobile industry, charging pile as indispensable supporting facilities, its core component module covers charging module, control module and power module etc., among them, charging module is the core of charging pile, is the key part of building high-power charging infrastructure, and for relevant enterprises, the efficiency improvement of charging module is its key research and development direction.

[0003] Present most 40KW charging module design will place auxiliary power supply in DC / DC side, this can reduce power supply speed, and power-on instantaneous response can also slow down, simultaneously, the control module of existing design mostly uses the way of separate one piece PCB cross board to transfer control signal, but this way can cause signal attenuation and loss. UTILITY MODEL CONTENTS

[0004] For the above problems, the utility model provides a kind of 40KW charging module PFC circuit layout structure, it can improve power supply speed, improve power-on response, and avoid signal attenuation and loss.

[0005] The utility model adopts following technical scheme, a kind of 40KW charging module PFC circuit layout structure, including printed circuit board, the first printed area for filtering, the second printed area for power supply control, the third printed area for rectification conversion are had on the printed circuit board, the first printed area, second printed area, third printed area are sequentially connected by circuit, the first printed area, second printed area are arranged on the printed circuit board in upper and lower parallel, the third printed area is arranged on the printed circuit board in the first printed area one side.

[0006] Further, the first printed area includes an input port, a lightning protection tube, a pressure sensitive resistor, a fuse, a first filter capacitor, a first input Y capacitor, a second filter capacitor, a first resistor, a first relay, a second input Y capacitor, a first filter inductor, a second filter inductor, a second relay, a second resistor, a third relay, a fourth relay, a third filter capacitor, a third input Y capacitor; the input port, the second input Y capacitor, the third filter capacitor, and the third input Y capacitor are arranged from top to bottom on the edge side of the first printed area, the first input Y capacitor, the first resistor, the first relay, the second relay, the second resistor, the third relay, and the fourth relay are arranged from top to bottom on the inner side of the first printed area, the second filter capacitor is arranged on one side of the first input Y capacitor, the pressure sensitive resistor, the first filter capacitor, the first filter inductor, and the second filter inductor are arranged in the central region of the first printed area, the lightning protection tube is arranged between the input port and the pressure sensitive resistor, and the fuse is arranged on one side of the first filter capacitor;

[0007] Further, one end of the output port of the input port is connected with the fuse, the other end of the fuse is connected with one end of the first filter inductor, the lightning protection tube, the pressure sensitive resistor, and the first filter capacitor, the other end of the first filter inductor is connected with one end of the second filter inductor, the second filter capacitor, and the second input Y capacitor, the other end of the lightning protection tube, the pressure sensitive resistor, the first filter capacitor, the second filter capacitor, and the second input Y capacitor is connected with the ground, the other end of the second filter inductor is connected with one end of the first input Y capacitor and the third input Y capacitor, and the other end of the first input Y capacitor and the third input Y capacitor is connected with the ground.

[0008] Further, the second printed area includes a first MOS tube, a second MOS tube, an auxiliary power sampling transformer, an auxiliary power main transformer, and a controller, the controller adopts a model XD22005-L control chip; the first MOS tube, the second MOS tube, and the auxiliary power sampling transformer are arranged from left to right on the upper edge side of the second printed area, the auxiliary power main transformer is arranged on the lower edge side of the second printed area, and the controller is arranged on the inner side of the second printed area.

[0009] Further, the drain of the first MOS tube is connected with a positive terminal A of a bus, the source of the second MOS tube is connected with a negative terminal C of the bus, the drain of the second MOS tube is connected with the auxiliary power sampling transformer, the gate of the first MOS tube and the gate of the second MOS tube are connected with the primary end of the auxiliary power main transformer, and the secondary end of the auxiliary power main transformer is connected with the power supply end of the controller.

[0010] Further, the third printed area includes a first inductor, a second inductor, a third inductor, a first energy storage capacitor to a twelfth energy storage capacitor, a first IGBT tube to a sixth IGBT tube, an output positive electrode port, an output negative electrode port, a first power supply capacitor to a third power supply capacitor, a fourth filter capacitor, the first inductor, the second inductor, and the third inductor are arranged from top to bottom on the inner side of the third printed area, the first IGBT tube to the sixth IGBT tube are arranged from top to bottom in the central area of the third printed area, the output positive electrode port, the first power supply capacitor, the second power supply capacitor, the third power supply capacitor, and the output negative electrode port are arranged from top to bottom on the edge side of the third printed area, the fourth filter capacitor is arranged on the outer side of the output positive electrode port, the first energy storage capacitor to the sixth energy storage capacitor are arranged from left to right above the third printed area, and the seventh energy storage capacitor to the twelfth energy storage capacitor are arranged from left to right below the third printed area.

[0011] Further, the other end of the second filter inductor is connected with one end of the first inductor, the second inductor and the third inductor, the other end of the first inductor is connected with the gate of the first IGBT tube and the second IGBT tube, the other end of the second inductor is connected with one end of the first resistor, the first relay and the second relay, the other end of the first resistor, the first relay and the second relay is connected and then connected with the gate of the third IGBT tube and the fourth IGBT tube, the other end of the third inductor is connected with one end of the second resistor, the third relay and the fourth relay, the other end of the second resistor, the third relay and the fourth relay is connected and then connected with the gate of the fifth IGBT tube and the sixth IGBT tube, the collector of the first IGBT tube is connected with one end of the first energy storage capacitor, the emitter of the first IGBT tube is connected with one end of the seventh energy storage capacitor, the other end of the first energy storage capacitor is connected with the seventh energy storage capacitor, and the junction of the first energy storage capacitor and the seventh energy storage capacitor is connected with the fourth filter capacitor, the positive end of the first energy storage capacitor is connected with the positive end A of the bus, the negative end of the seventh energy storage capacitor is connected with the negative end C of the bus, the output positive end port and the output negative end port are respectively connected with the positive end A of the bus and the negative end C of the bus; the collector of the second IGBT tube is connected with one end of the second energy storage capacitor, the emitter of the second IGBT tube is connected with one end of the eighth energy storage capacitor, the other end of the second energy storage capacitor is connected with the eighth energy storage capacitor, and the junction of the second energy storage capacitor and the eighth energy storage capacitor is connected with the fourth filter capacitor, the positive end of the second energy storage capacitor is connected with the positive end A of the bus, the negative end of the eighth energy storage capacitor is connected with the negative end C of the bus; the collector of the third IGBT tube is connected with one end of the third energy storage capacitor, the emitter of the third IGBT tube is connected with one end of the ninth energy storage capacitor, the other end of the third energy storage capacitor is connected with the ninth energy storage capacitor, and the junction of the third energy storage capacitor and the ninth energy storage capacitor is connected with the fourth filter capacitor, the positive end of the third energy storage capacitor is connected with the positive end A of the bus, the negative end of the ninth energy storage capacitor is connected with the negative end C of the bus; the collector of the fourth IGBT tube is connected with one end of the fourth energy storage capacitor, the emitter of the fourth IGBT tube is connected with one end of the tenth energy storage capacitor, the other end of the fourth energy storage capacitor is connected with the tenth energy storage capacitor, and the junction of the fourth energy storage capacitor and the tenth energy storage capacitor is connected with the fourth filter capacitor, the positive end of the fourth energy storage capacitor is connected with the positive end A of the bus, the negative end of the tenth energy storage capacitor is connected with the negative end C of the bus.The collector of the fifth IGBT is connected to one end of the fifth energy storage capacitor, and the emitter of the fifth IGBT is connected to one end of the eleventh energy storage capacitor. The other ends of the fifth and eleventh energy storage capacitors are connected, and the junction of the fifth and eleventh energy storage capacitors is connected to the fourth filter capacitor. The positive terminal of the fifth energy storage capacitor is connected to the positive terminal A of the bus, and the negative terminal of the eleventh energy storage capacitor is connected to the negative terminal C of the bus. The collector of the sixth IGBT is connected to one end of the sixth energy storage capacitor, and the emitter of the sixth IGBT... One end of the twelfth energy storage capacitor is connected to the sixth energy storage capacitor, and the other end of the twelfth energy storage capacitor is connected to the sixth energy storage capacitor. The junction of the sixth and twelfth energy storage capacitors is connected to the fourth filter capacitor. The positive terminal of the sixth energy storage capacitor is connected to the positive terminal A of the bus, and the negative terminal of the twelfth energy storage capacitor is connected to the negative terminal C of the bus. The secondary side of the auxiliary power supply main transformer is connected to the first, second, and third power supply capacitors. The gate terminals of the first to sixth IGBTs are respectively connected to the signal output terminals of the controller.

[0012] The beneficial effects of this utility model are that the first printed area for filtering, the second printed area for power supply control, and the third printed area for rectification and conversion are arranged on the same printed circuit board. This layout can make the signal more complete and avoid signal attenuation and loss. Furthermore, arranging the auxiliary power sampling transformer and the auxiliary power main transformer on the side of the first MOSFET and the second MOSFET can make the power supply speed faster and the instantaneous response upon power-on faster, thus having good practical value. Attached Figure Description

[0013] Figure 1 This is the circuit layout diagram of this utility model;

[0014] Figure 2 This is a circuit connection block diagram of this utility model. Detailed Implementation

[0015] like Figure 1 , Figure 2 As shown, the present invention discloses a 40KW charging module PFC circuit layout structure, including a printed circuit board S1. The printed circuit board S1 has a first printed area S2 for filtering, a second printed area S3 for power supply control, and a third printed area S4 for rectification and conversion. The first printed area S2, the second printed area S3, and the third printed area S4 are connected in sequence by a line. The first printed area S2 and the second printed area S3 are arranged side by side on the printed circuit board S1, and the third printed area S4 is arranged on the printed circuit board S1 located on one side of the first printed area S2.

[0016] The first printing area S2 comprises an input port (1), a lightning protection tube (2), a pressure sensitive resistor (3), a fuse (4), a first filter capacitor (5), a first input Y capacitor (6), a second filter capacitor (7), a first resistor (8), a first relay (9), a second input Y capacitor (10), a first filter inductor (11), a second filter inductor (12), a second relay (13), a second resistor (14), a third relay (15), a fourth relay (16), a third filter capacitor (17), a third input Y capacitor (18); the input port (1), the second input Y capacitor (10), the third filter capacitor (17), and the third input Y capacitor (18) are arranged from top to bottom on the edge side of the first printing area S2, the first input Y capacitor (6), the first resistor (8), the first relay (9), the second relay (13), the second resistor (14), the third relay (15), and the fourth relay (16) are arranged from top to bottom on the inner side of the first printing area S2, the second filter capacitor (7) is arranged on one side of the first input Y capacitor (6), the pressure sensitive resistor (3), the first filter capacitor (5), the first filter inductor (11), and the second filter inductor (12) are arranged in the central area of the first printing area S2, the lightning protection tube (2) is arranged between the input port (1) and the pressure sensitive resistor (3), and the fuse (4) is arranged on one side of the first filter capacitor (5); the output port of the input port (1) is connected with one end of the fuse (4), the other end of the fuse (4) is connected with one end of the first filter inductor (11), the lightning protection tube (2), the pressure sensitive resistor (3), and the first filter capacitor (5), the other end of the first filter inductor (11) is connected with one end of the second filter inductor (12), the second filter capacitor (7), and the second input Y capacitor (10), the other ends of the lightning protection tube (2), the pressure sensitive resistor (3), the first filter capacitor (5), the second filter capacitor (7), and the second input Y capacitor (10) are connected and grounded, the other end of the second filter inductor (12) is connected with one end of the first input Y capacitor (6) and the third input Y capacitor (18), and the other ends of the first input Y capacitor (6) and the third input Y capacitor (18) are connected and grounded.

[0017] The second printing area S3 includes a first MOS tube (19), a second MOS tube (20), an auxiliary power sampling transformer (21), an auxiliary power main transformer (22), and a controller (23). The controller (23) uses an XD22005-L control chip. The first MOS tube (19), the second MOS tube (20), and the auxiliary power sampling transformer (21) are arranged from left to right on the upper side of the edge of the second printing area S3. The auxiliary power main transformer (22) is arranged on the lower side of the edge of the second printing area S3. The controller (23) is arranged on the inner side of the second printing area S3. The drain of the second MOS tube (20) is connected to the positive terminal A of the bus. The source of the first MOS tube (19) is connected to the negative terminal C of the bus. The source of the second MOS tube (20) is connected to the drain of the first MOS tube (19). The drain of the first MOS tube (19) is connected to the auxiliary power sampling transformer (21). The gates of the first MOS tube (19) and the second MOS tube (20) are connected to the primary end of the auxiliary power main transformer (22). The secondary end of the auxiliary power main transformer (22) is connected to the power supply end of the controller (23).

[0018] The third printing area S4 includes a first inductor (24), a second inductor (25), a third inductor (26), a first energy storage capacitor (27) to a twelfth energy storage capacitor (38), a first IGBT tube (39) to a sixth IGBT tube (44), an output positive port (45), an output negative port (46), a first power supply capacitor (47) to a third power supply capacitor (49), a fourth filter capacitor (50), the first inductor (24), the second inductor (25), and the third inductor (26) are arranged from top to bottom on the inner side of the third printing area S4, the first IGBT tube (39) to the sixth IGBT tube (44) are arranged from top to bottom in the central area of the third printing area S4, the output positive port (45), the first power supply capacitor (47), the second power supply capacitor (48), the third power supply capacitor (49), and the output negative port (46) are arranged from top to bottom on the edge side of the third printing area S4, the fourth filter capacitor (50) is arranged on the outside of the output positive port (45), the first energy storage capacitor (27) to the sixth energy storage capacitor (32) are arranged from left to right above the third printing area S4, and the seventh energy storage capacitor (33) to the twelfth energy storage capacitor (38) are arranged from left to right below the third printing area S4; the other end of the second filter inductor (12) is connected with one end of the first inductor (24), the second inductor (25), and the third inductor (26), the other end of the first inductor (24) is connected with the gate of the first IGBT tube (39) and the second IGBT tube (40), the other end of the second inductor (25) is connected with one end of the first resistor (8), the first relay (9), and the second relay (13), the other ends of the first resistor (8), the first relay (9), and the second relay (13) are connected and then connected with the gate of the third IGBT tube (41) and the fourth IGBT tube (42), the other end of the third inductor (26) is connected with one end of the second resistor (14), the third relay (15), and the fourth relay (16), the other ends of the second resistor (14), the third relay (15), and the fourth relay (16) are connected and then connected with the gate of the fifth IGBT tube (43) and the sixth IGBT tube (44), the collector of the first IGBT tube (39) is connected with one end of the first energy storage capacitor (27), the emitter of the first IGBT tube (39) is connected with one end of the seventh energy storage capacitor (33), the other ends of the first energy storage capacitor (27) and the seventh energy storage capacitor (33) are connected, and the junction of the first energy storage capacitor (27) and the seventh energy storage capacitor (33) is connected with the fourth filter capacitor (50), the positive terminal of the first energy storage capacitor (27) is connected with the bus positive terminal A, the negative terminal of the seventh energy storage capacitor (33) is connected with the bus negative terminal C, and the output positive port (45) and the output negative port (46) are respectively connected with the bus positive terminal A and the bus negative terminal C.The collector of the second IGBT tube (40) is connected with one end of the second energy storage capacitor (28), the emitter of the second IGBT tube (40) is connected with one end of the eighth energy storage capacitor (34), the other end of the second energy storage capacitor (28) and the eighth energy storage capacitor (34) is connected, and the connecting point of the second energy storage capacitor (28) and the eighth energy storage capacitor (34) is connected with the fourth filter capacitor (50), the positive end of the second energy storage capacitor (28) is connected with the bus positive end A, and the negative end of the eighth energy storage capacitor (34) is connected with the bus negative end C; the collector of the third IGBT tube (41) is connected with one end of the third energy storage capacitor (29), the emitter of the third IGBT tube (41) is connected with one end of the ninth energy storage capacitor (35), the other end of the third energy storage capacitor (29) and the ninth energy storage capacitor (35) is connected, and the connecting point of the third energy storage capacitor (29) and the ninth energy storage capacitor (35) is connected with the fourth filter capacitor (50), the positive end of the third energy storage capacitor (29) is connected with the bus positive end A, and the negative end of the ninth energy storage capacitor (35) is connected with the bus negative end C; the collector of the fourth IGBT tube (42) is connected with one end of the fourth energy storage capacitor (30), the emitter of the fourth IGBT tube (42) is connected with one end of the tenth energy storage capacitor (36), the other end of the fourth energy storage capacitor (30) and the tenth energy storage capacitor (36) is connected, and the connecting point of the fourth energy storage capacitor (30) and the tenth energy storage capacitor (36) is connected with the fourth filter capacitor (50), the positive end of the fourth energy storage capacitor (30) is connected with the bus positive end A, and the negative end of the tenth energy storage capacitor (36) is connected with the bus negative end C; the collector of the fifth IGBT tube (43) is connected with one end of the fifth energy storage capacitor (31), the emitter of the fifth IGBT tube (43) is connected with one end of the eleventh energy storage capacitor (37), the other end of the fifth energy storage capacitor (31) and the eleventh energy storage capacitor (37) is connected, and the connecting point of the fifth energy storage capacitor (31) and the eleventh energy storage capacitor (37) is connected with the fourth filter capacitor (50), the positive end of the fifth energy storage capacitor (31) is connected with the bus positive end A, and the negative end of the eleventh energy storage capacitor (37) is connected with the bus negative end C; the collector of the sixth IGBT tube (44) is connected with one end of the sixth energy storage capacitor (32), the emitter of the sixth IGBT tube (44) is connected with one end of the twelfth energy storage capacitor (38), the other end of the sixth energy storage capacitor (32) and the twelfth energy storage capacitor (38) is connected, and the connecting point of the sixth energy storage capacitor (32) and the twelfth energy storage capacitor (38) is connected with the fourth filter capacitor (50), the positive end of the sixth energy storage capacitor (32) is connected with the bus positive end A, and the negative end of the twelfth energy storage capacitor (38) is connected with the bus negative end C.The secondary end of the auxiliary power supply main transformer (22) is connected with the first power supply capacitor (47), the second power supply capacitor (48) and the third power supply capacitor (49), and the gate end of the first IGBT tube (39) to the sixth IGBT tube (44) is respectively connected with the signal output end of the controller (23).

[0019] In the utility model, the first MOS tube (19), the second MOS tube (20), the auxiliary power supply sampling transformer (21) and the auxiliary power supply main transformer (22) in the second printing area S3 are isolated and power converted after obtaining power from the busbar in the third printing area S4, and high voltage is converted into low voltage for supplying the controller (23); the busbar voltage is transmitted to the second printing area S3 after the first IGBT tube (39) to the sixth IGBT tube (44) realize preliminary AC-DC in the third printing area S4, when the controller (23) transmits control signals to the first IGBT tube (39) to the sixth IGBT tube (44), the first inductance (24), the second inductance (25), the third inductance (26) and the first energy storage capacitor (27) to the twelfth energy storage capacitor (38) cooperate to carry out power conversion, and the first power supply capacitor (47) to the third power supply capacitor (49) also obtain working signals, then the target voltage is obtained through the power conversion after the cooperation of the first inductance (24), the second inductance (25), the third inductance (26) and the first energy storage capacitor (27) to the twelfth energy storage capacitor (38), and then the voltage is input to the busbar positive end A and the busbar negative end C; wherein, B in the drawing is only a connecting node, such as the connecting node of the first energy storage capacitor (27) and the seventh energy storage capacitor (33), the connecting node can be recorded as B, and the connecting node B is connected with the fourth filter capacitor (50).

[0020] It is apparent for those skilled in the art that the utility model is not limited to the details of the above-mentioned exemplary embodiments, and the utility model can be realized in other specific forms without departing from the spirit or basic characteristics of the utility model. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive, the scope of the utility model is defined by the appended claims instead of the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims should be included in the utility model. Any figure mark in the claims should not be regarded as limiting the involved claims.

[0021] In addition, it should be understood that, although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the specification is described in this way only for the sake of clarity, and those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that those skilled in the art can understand.

Claims

1. A PFC circuit layout structure for a 40KW charging module, characterized in that: The device includes a printed circuit board, which has a first printed area for filtering, a second printed area for power supply control, and a third printed area for rectification and conversion. The first, second, and third printed areas are connected by a line in sequence. The first and second printed areas are arranged side by side on the printed circuit board, and the third printed area is arranged on the printed circuit board located on one side of the first printed area. The second printed area includes a first MOSFET (19), a second MOSFET (20), an auxiliary power sampling transformer (21), an auxiliary power main transformer (22), and a controller (23). The controller (23) uses a control chip of model XD22005-L. The first MOSFET (19), the second MOSFET (20), and the auxiliary power sampling transformer (21) are arranged from left to right above the edge of the second printed area. The auxiliary power main transformer (22) is arranged below the edge of the second printed area. The controller (23) is arranged inside the second printed area.

2. The PFC circuit layout structure of a 40KW charging module according to claim 1, characterized in that: The first printed area includes an input port (1), a surge protector (2), a varistor (3), a fuse (4), a first filter capacitor (5), a first input Y capacitor (6), a second filter capacitor (7), a first resistor (8), a first relay (9), a second input Y capacitor (10), a first filter inductor (11), a second filter inductor (12), a second relay (13), a second resistor (14), a third relay (15), a fourth relay (16), a third filter capacitor (17), and a third input Y capacitor (18); the input port (1), the second input Y capacitor (10), the third filter capacitor (17), and the third input Y capacitor (18) are arranged sequentially from top to bottom in the first printed area. On the edge of a printing area, the first input Y capacitor (6), the first resistor (8), the first relay (9), the second relay (13), the second resistor (14), the third relay (15), and the fourth relay (16) are arranged from top to bottom on the inner side of the first printing area. The second filter capacitor (7) is arranged on one side of the first input Y capacitor (6). The varistor (3), the first filter capacitor (5), the first filter inductor (11), and the second filter inductor (12) are arranged in the central area of ​​the first printing area. The surge protector (2) is arranged between the input port (1) and the varistor (3). The fuse (4) is arranged on one side of the first filter capacitor (5).

3. The PFC circuit layout structure of a 40KW charging module according to claim 2, characterized in that: The output port of the input port (1) is connected to one end of the fuse (4). The other end of the fuse (4) is connected to one end of the first filter inductor (11), the surge protector (2), the varistor (3), and the first filter capacitor (5). The other end of the first filter inductor (11) is connected to one end of the second filter inductor (12), the second filter capacitor (7), and the second input Y capacitor (10). The other ends of the surge protector (2), the varistor (3), the first filter capacitor (5), the second filter capacitor (7), and the second input Y capacitor (10) are all connected to ground. The other end of the second filter inductor (12) is connected to one end of the first input Y capacitor (6) and the third input Y capacitor (18). The other ends of the first input Y capacitor (6) and the third input Y capacitor (18) are connected to ground.

4. The PFC circuit layout structure of a 40KW charging module according to claim 3, characterized in that: The drain of the second MOS transistor (20) is connected to the positive terminal A of the bus, the source of the first MOS transistor (19) is connected to the negative terminal C of the bus, the source of the second MOS transistor (20) is connected to the drain of the first MOS transistor (19), the drain of the first MOS transistor (19) is connected to the auxiliary power sampling transformer (21), the gates of the first MOS transistor (19) and the second MOS transistor (20) are connected and then connected to the primary terminal of the auxiliary power main transformer (22), and the secondary terminal of the auxiliary power main transformer (22) is connected to the power supply terminal of the controller (23).

5. The PFC circuit layout structure of a 40KW charging module according to claim 4, characterized in that: The third printed area includes a first inductor (24), a second inductor (25), a third inductor (26), a first energy storage capacitor (27), a second energy storage capacitor (28), a third energy storage capacitor (29), a fourth energy storage capacitor (30), a fifth energy storage capacitor (31), a sixth energy storage capacitor (32), a seventh energy storage capacitor (33), an eighth energy storage capacitor (34), a ninth energy storage capacitor (35), a tenth energy storage capacitor (36), an eleventh energy storage capacitor (37), a twelfth energy storage capacitor (38), a first IGBT (39), a second IGBT (40), a third IGBT (41), a fourth IGBT (42), a fifth IGBT (43), a sixth IGBT (44), a positive output port (45), a negative output port (46), a first power supply capacitor (47) to a third power supply capacitor (49), and a fourth filter capacitor (5). 0), the first inductor (24), the second inductor (25), and the third inductor (26) are arranged from top to bottom on the inner side of the third printed area. The first IGBT tube (39) to the sixth IGBT tube (44) are arranged from top to bottom in the central area of ​​the third printed area. The output positive port (45), the first power supply capacitor (47), the second power supply capacitor (48), the third power supply capacitor (49), and the output negative port (46) are arranged from top to bottom on the edge side of the third printed area. The fourth filter capacitor (50) is arranged on the outside of the output positive port (45). The first energy storage capacitor (27) to the sixth energy storage capacitor (32) are arranged from left to right above the third printed area. The seventh energy storage capacitor (33) to the twelfth energy storage capacitor (38) are arranged from left to right below the third printed area.

6. The PFC circuit layout structure of a 40KW charging module according to claim 5, characterized in that: The other end of the second filter inductor (12) is connected to one end of the first inductor (24), the second inductor (25), and the third inductor (26). The other end of the first inductor (24) is connected to the gate of the first IGBT (39) and the second IGBT (40). The other end of the second inductor (25) is connected to one end of the first resistor (8), the first relay (9), and the second relay (13). The other ends of the first resistor (8), the first relay (9), and the second relay (13) are connected to the gate of the third IGBT (41) and the fourth IGBT (42). The other end of the third inductor (26) is connected to the second resistor (14). One end of the third relay (15) and the fourth relay (16) are connected together. The other end of the second resistor (14), the third relay (15), and the fourth relay (16) are connected and then connected to the gates of the fifth IGBT (43) and the sixth IGBT (44). The collector of the first IGBT (39) is connected to one end of the first energy storage capacitor (27). The emitter of the first IGBT (39) is connected to one end of the seventh energy storage capacitor (33). The first energy storage capacitor (27) is connected to the other end of the seventh energy storage capacitor (33). The connection point between the first energy storage capacitor (27) and the seventh energy storage capacitor (33) is connected to the fourth filter capacitor (50). The positive terminal of the first energy storage capacitor (27) is connected to the positive terminal A of the bus, and the negative terminal of the seventh energy storage capacitor (33) is connected to the negative terminal C of the bus. The positive output port (45) and the negative output port (46) are respectively connected to the positive terminal A and the negative terminal C of the bus. The collector of the second IGBT (40) is connected to one end of the second energy storage capacitor (28), the emitter of the second IGBT (40) is connected to one end of the eighth energy storage capacitor (34), the other end of the second energy storage capacitor (28) and the eighth energy storage capacitor (34) are connected, and the junction of the second energy storage capacitor (28) and the eighth energy storage capacitor (34) is connected to the fourth filter capacitor (50). The positive terminal of the second energy storage capacitor (28) is connected to the positive terminal A of the busbar, and the negative terminal of the eighth energy storage capacitor (34) is connected to the negative terminal C of the busbar; the collector of the third IGBT (41) is connected to one end of the third energy storage capacitor (29), the emitter of the third IGBT (41) is connected to one end of the ninth energy storage capacitor (35), the other end of the third energy storage capacitor (29) and the ninth energy storage capacitor (35) are connected, and the junction of the third energy storage capacitor (29) and the ninth energy storage capacitor (35) is connected to the fourth filter capacitor (50); the positive terminal of the third energy storage capacitor (29) is connected to the positive terminal A of the busbar, and the negative terminal of the ninth energy storage capacitor (35) is connected to the negative terminal C of the busbar;The collector of the fourth IGBT (42) is connected to one end of the fourth energy storage capacitor (30), the emitter of the fourth IGBT (42) is connected to one end of the tenth energy storage capacitor (36), the other ends of the fourth energy storage capacitor (30) and the tenth energy storage capacitor (36) are connected, and the junction of the fourth energy storage capacitor (30) and the tenth energy storage capacitor (36) is connected to the fourth filter capacitor (50). The positive terminal of the fourth energy storage capacitor (30) is connected to the positive terminal A of the busbar. The negative terminal of the energy storage capacitor (36) is connected to the negative terminal C of the busbar; the collector of the fifth IGBT (43) is connected to one end of the fifth energy storage capacitor (31), the emitter of the fifth IGBT (43) is connected to one end of the eleventh energy storage capacitor (37), the other ends of the fifth energy storage capacitor (31) and the eleventh energy storage capacitor (37) are connected, and the junction of the fifth energy storage capacitor (31) and the eleventh energy storage capacitor (37) is connected to the fourth filter capacitor (50). The positive terminal of capacitor (31) is connected to the positive terminal A of the busbar, and the negative terminal of the eleventh energy storage capacitor (37) is connected to the negative terminal C of the busbar; the collector of the sixth IGBT (44) is connected to one end of the sixth energy storage capacitor (32), the emitter of the sixth IGBT (44) is connected to one end of the twelfth energy storage capacitor (38), and the other ends of the sixth energy storage capacitor (32) and the twelfth energy storage capacitor (38) are connected. The contacts are connected to the fourth filter capacitor (50), the positive terminal of the sixth energy storage capacitor (32) is connected to the positive terminal A of the bus, and the negative terminal of the twelfth energy storage capacitor (38) is connected to the negative terminal C of the bus; the secondary end of the auxiliary power main transformer (22) is connected to the first power supply capacitor (47), the second power supply capacitor (48), and the third power supply capacitor (49), and the gate terminals of the first IGBT (39) to the sixth IGBT (44) are respectively connected to the signal output terminal of the controller (23).

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