Integrated motor control unit, electrical assembly, and vehicle

Abstract

An integrated motor control device (1), an electrical assembly (2), and a vehicle (4). The integrated motor control device (1) includes a charging connector (100), a battery connector (110), a first charging circuit (200), and a second charging circuit (300). The first charging circuit (200) is separately connected to the charging connector (100) and the battery connector (110), and the first charging circuit (200) is provided with a first control switch (210), which controls the on / off of the first charging circuit (200). The second charging circuit (300) is separately connected to the charging connector (100) and the battery connector (110), and the second charging circuit (300) is provided with a boost module (310) and a second control switch (320), and the second control switch (320) controls the on / off of the second charging circuit (300).

Description

Technical Field

[0001] Cross - reference to Related Applications This application claims priority to Chinese Patent Application No. 202221669903.5, entitled "INTEGRATED MOTOR CONTROLLER, ELECTRIC ASSEMBLY, AND VEHICLE", filed by BYD Co., Ltd. on June 30, 2022.

[0002] This disclosure relates to the field of vehicle technology, and more particularly, to an integrated motor controller, an electric assembly, and a vehicle.

Background Art

[0003] In related technologies, the battery of a vehicle can usually be rapidly charged by a direct current (DC) high - voltage charging pile corresponding to the charging voltage of the vehicle. Since it has specific requirements for the charging voltage, as a result, the charging versatility of the vehicle is relatively low, and the user experience becomes poor.

Patent Document 1

Summary of the Invention

Problems to be Solved by the Invention

[0004] This disclosure is intended to solve at least one of the technical problems existing in the related technologies. Therefore, the object of this disclosure is to provide an integrated motor controller. The integrated motor controller is applicable to various charging voltages and has advantages such as high versatility and convenient charging. This disclosure further provides an electric assembly having the above - mentioned integrated motor controller.

[0005] This disclosure further provides a vehicle having the above - mentioned electric assembly.

Means for Solving the Problems

[0006] An integrated motor control device according to one embodiment of a first aspect of the present disclosure includes a charging connector, a battery connector, a first charging circuit, and a second charging circuit. The first charging circuit is connected to the charging connector and the battery connector. The first charging circuit is provided with a first control switch, which is configured to control the on / off state of the first charging circuit. The second charging circuit is connected to the charging connector and the battery connector. The second charging circuit is provided with a boost module and a second control switch, which is configured to control the on / off state of the second charging circuit.

[0007] The integrated motor control device according to the embodiments of this disclosure is applicable to various charging voltages and has advantages such as high versatility and convenient charging.

[0008] According to some examples of this disclosure, an integrated motor control device further includes an alternating current (AC) charge / discharge connector and an AC charge / discharge circuit. The AC charge / discharge circuit is provided with an on-board charger (OBC) and a DC / DC converter. The OBC is connected to the AC charge / discharge connector. The DC / DC converter is connected to the battery connector.

[0009] According to some examples of this disclosure, the charging connector is a DC charging connector. The boost module includes a motor coil and an electrically controlled bridge arm. The motor coil is the coil of the drive motor. The motor coil is connected to a second charging circuit. The electrically controlled bridge arm is the bridge arm of an insulated gate bipolar transistor (IGBT) module of the motor control device. The electrically controlled bridge arm is connected to the motor coil.

[0010] According to some examples of this disclosure, an integrated motor control device further includes a boost capacitor and a smoothing capacitor. The boost capacitor is connected to a charging connector, a battery connector, and an IGBT module. The smoothing capacitor is connected to the IGBT module and the battery connector.

[0011] According to some examples of this disclosure, an integrated motor control device further includes a capacitor housing, a positive battery electrode connection sheet, a negative battery electrode connection sheet, an output connection sheet, a positive charging electrode connection sheet, and a negative charging electrode connection sheet. The boost capacitor and smoothing capacitor are mounted in the capacitor housing. The positive battery electrode connection sheet is mounted in the capacitor housing. The positive battery electrode connection sheet is connected to the positive terminal of the battery connector and the positive terminal of the smoothing capacitor. The negative battery electrode connection sheet is mounted in the capacitor housing. The negative battery electrode connection sheet is connected to the negative terminal of the battery connector and the negative terminal of the smoothing capacitor. The output connection sheet is mounted in the capacitor housing. The output connection sheet is connected to the smoothing capacitor and the IGBT module. The positive charging electrode connection sheet is mounted in the capacitor housing. The positive charging electrode connection sheet is connected to the positive terminal of the charging connector and the boost capacitor. The negative charging electrode connection sheet is mounted in the capacitor housing. The charging negative terminal connection sheet is connected to the negative terminal of the charging connector, the boost capacitor, the smoothing capacitor, and the battery negative terminal connection sheet.

[0012] According to some examples of the present disclosure, the capacitor housing has a first side edge, a second side edge, a third side edge, and a fourth side edge that are connected from end to end in the circumferential direction of the capacitor housing. The battery positive electrode connection sheet, the battery negative electrode connection sheet, and the charging negative electrode connection sheet are mounted on the first side edge. The output connection sheet is mounted on the second side edge. The charging positive electrode connection sheet is mounted on the third side edge.

[0013] In some examples of this disclosure, the integrated motor control device further includes a circuit safety protection member. The circuit safety protection member is mounted on a capacitor housing. The circuit safety protection member is connected to a battery negative electrode connection sheet and to the negative electrode of a smoothing capacitor.

[0014] According to some examples of this disclosure, an integrated motor control device further includes a charging-side magnetic ring and a battery-side magnetic ring. The charging-side magnetic ring is mounted on the outer surface of the capacitor housing. The charging connector is connected to a charging positive electrode connection sheet and a charging negative electrode connection sheet through an intermediate connector. The charging-side magnetic ring is sleeved over the intermediate connector. The battery-side magnetic ring is mounted on the outer surface of the capacitor housing. The battery-side magnetic ring is sleeved over the battery connector.

[0015] According to some examples of this disclosure, an integrated motor control device further includes a heat sink metal plate and a heat transfer cement. The heat sink metal plate is attached to a capacitor housing. A first surface of the heat transfer cement in the thickness direction is attached to the heat sink metal plate. A second surface of the heat transfer cement in the thickness direction is attached to the box.

[0016] According to some examples of this disclosure, an integrated motor control device further includes a box, a drive board, a control board, and a power supply device. A first chamber is located on a first side of the box in the thickness direction. A second chamber is located on a second side of the box in the thickness direction. An IGBT module is mounted in the first chamber. A drive board is mounted in the first chamber. The drive board is connected to the IGBT module. A control board is mounted in the first chamber. The control board is connected to the drive board. A power supply device is mounted in the second chamber and connected to the control board.

[0017] In some examples of this disclosure, the box is provided with a first water channel and a second water channel. The first water channel is configured to communicate with a water inlet pipe. The second water channel is configured to communicate with a water outlet pipe. The integrated motor control device further includes a water channel cover plate. The water channel cover plate is connected to the box. The water channel cover plate is configured to cover the first water channel and the second water channel. The water channel cover plate is provided with a third water channel. The third water channel communicates with the first water channel and the second water channel. Coolant from the first water channel flows into the third water channel to dissipate heat from the IGBT module. Coolant from the third water channel flows into the second water channel to dissipate heat from the power supply device.

[0018] In some examples of this disclosure, a plurality of IGBT modules are arranged. A third waterway includes a plurality of cooling cavities arranged along the length of the third waterway. The plurality of cooling cavities correspond one-to-one with the plurality of IGBT modules. Each cooling cavity includes a water inlet and a water outlet. Adjacent water inlets of two adjacent cooling cavities communicate with a water outlet. A first waterway communicates with the water inlet of a cooling cavity adjacent to the first waterway. A second waterway communicates with the water outlet of a cooling cavity adjacent to the second waterway. At least one partition plate is located on one side of a waterway cover plate facing the box. The partition plate is configured to prevent adjacent water inlets and water outlets from communicating with the second waterway.

[0019] According to some examples of this disclosure, the second waterway includes a transition section and an annular section. The transition section communicates with a water outlet of a cooling cavity adjacent to the transition section. The annular section surrounds a power supply device. The annular section is configured to dissipate heat from the power supply device. A first end of the annular section is connected to one end of the transition section. A water outlet hole is provided at a second end of the annular section. The depth of the annular section is greater than the depth of the first waterway. The depth of the annular section is greater than the depth of the transition section.

[0020] According to some examples of this disclosure, an integrated motor control device further includes a water inlet pipe and a water outlet pipe. The water inlet pipe is mounted in a box. The water inlet pipe communicates with a first water channel. The water outlet pipe is mounted in a box. The water outlet pipe communicates with a water outlet hole. The water outlet pipe and the water inlet pipe are arranged vertically.

[0021] According to some examples of this disclosure, an integrated motor control device includes a charging connector, a battery connector, a first charging circuit, and a second charging circuit. The charging connector is configured to connect to a charging device. The battery connector is configured to connect to a battery pack. The first charging circuit is connected to the charging connector and the battery connector. The second charging circuit is connected to the charging connector and the battery connector. The second charging circuit is provided with a boost module. The first charging circuit and one of the second charging circuits are turned on.

[0022] According to some examples of this disclosure, a first charging circuit is turned on if the voltage supplied by the charging device is greater than a preset value. A second charging circuit is turned on if the voltage supplied by the charging device is less than or equal to a preset value.

[0023] According to some examples of the present disclosure, the boost module includes a motor coil and an electric control bridge arm. Three sets of motor coils are arranged. The electric control bridge arm includes a three-phase bridge arm. The first ends of the three sets of motor coils are respectively connected to the midpoint of the three-phase bridge arm. The second ends of each of the three sets of motor coils are connected to a charging connector.

[0024] An electric assembly according to an embodiment of the second aspect of the present disclosure is provided. The electric assembly includes the integrated motor control device according to the above embodiment of the first aspect of the present disclosure.

[0025] The electric assembly according to the embodiment of the present disclosure is applicable to various charging voltages through the above integrated motor control device, and has advantages such as high versatility and convenient charging.

[0026] A vehicle according to an embodiment of the third aspect of the present disclosure is provided. The vehicle includes the electric assembly according to the above embodiment of the second aspect of the present disclosure.

[0027] The vehicle according to the embodiment of the present disclosure is applicable to various charging voltages through the above electric assembly, and has advantages such as high versatility and convenient charging.

[0028] Additional aspects and advantages of the present disclosure are partially given in the following description, and some of them will be apparent from the following description, or may be grasped by the implementation of the present disclosure.

[0029] The above and / or additional aspects and advantages of the present disclosure will become apparent and understandable from the description of the embodiments with reference to the following attached drawings.

Brief Description of the Drawings

[0030] [Figure 1] It is a diagram of the principle of an integrated motor control device according to an embodiment of the present disclosure. [Figure 2] It is a schematic structural diagram of an electric assembly according to an embodiment of the present disclosure.. [Figure 3] This is an exploded view of an integrated motor control device according to one embodiment of the present disclosure. [Figure 4] This is another exploded view of an integrated motor control device according to one embodiment of the present disclosure. [Figure 5] This is a cross-sectional view of an integrated motor control device according to one embodiment of the present disclosure. [Figure 6] This is a schematic diagram of a capacitor enclosure according to one embodiment of the present disclosure. [Figure 7] This is a schematic diagram of a box according to one embodiment of the present disclosure. [Figure 8] This is a schematic diagram of the box structure from a different perspective according to one embodiment of the present disclosure. [Figure 9] This is a schematic diagram of a waterway cover plate according to one embodiment of the present disclosure. [Figure 10] This is a cross-sectional view of a channel cover plate according to one embodiment of the present disclosure. [Figure 11] This is a schematic diagram of a vehicle according to one embodiment of the present disclosure. [Modes for carrying out the invention]

[0031] Embodiments of this disclosure are described in detail below, and examples of embodiments are illustrated in the accompanying drawings. Throughout this disclosure, the same or similar reference numerals represent the same or similar elements, or elements having the same or similar function. The embodiments described below with reference to the accompanying drawings are illustrative and used solely to illustrate this disclosure and should not be construed as limiting this disclosure.

[0032] In the description of this disclosure, orientations or positional relationships indicated by terms such as “center,” “top,” “bottom,” “front,” “back,” “left,” “right,” “vertical,” “horizontal,” “top,” “bottom,” “inside,” and “outside” are based on the orientations or positional relationships illustrated in the accompanying drawings and should be understood to be used solely for the convenience and simplification of the description of this disclosure, rather than indicating or implying that the devices or elements shown must have a particular orientation or must be constructed and operated in a particular orientation. Accordingly, these terms should not be construed as limiting this disclosure.

[0033] It should be noted that the terms “First” and “Second” are used merely for descriptive purposes and should not be interpreted as indicating or implying relative importance or the quantity of technical features being described. Therefore, features defined by “First” and “Second” may explicitly or implicitly include one or more such features. Furthermore, in the description of this disclosure, unless otherwise specified, “plural” means two or more.

[0034] An integrated motor control device 1 according to one embodiment of the present disclosure is described below with reference to the attached drawings.

[0035] As shown in Figures 1 to 10, an integrated motor control device 1 according to one embodiment of the present disclosure includes a charging connector 100, a battery connector 110, a first charging circuit 200, and a second charging circuit 300.

[0036] The first charging circuit 200 is connected to the charging connector 100 and the battery connector 110. The first charging circuit 200 is provided with a first control switch 210. The first control switch 210 is configured to control the on / off state of the first charging circuit 200. The second charging circuit 300 is connected to the charging connector 100 and the battery connector 110. The second charging circuit 300 is provided with a boost module 310 and a second control switch 320. The second control switch 320 is configured to control the on / off state of the second charging circuit 300.

[0037] For example, the first control switch 210 and the second control switch 320 may be contactors. The charging connector 100 and the battery connector 110 may be plugs. Furthermore, the charging connector 100 may be connected to an external charging device. For example, the charging connector 100 may be connected to a charging pile. The battery connector 110 may be connected to the vehicle's battery pack.

[0038] In the integrated motor control device 1 according to this embodiment of the present disclosure, the first charging circuit 200 is connected to the charging connector 100 and the battery connector 110, and the first charging circuit 200 is provided with a first control switch 210 configured to control the on / off state of the first charging circuit 200. In this way, when the charging connector 100 is connected to a charging device having a relatively high voltage (voltage of 750V or more), for example when the charging connector 100 is connected to a charging device having a charging voltage of 750V, the first control switch 210 may be turned on, and thus current may pass through the first charging circuit 200 to directly charge the battery connector 110, thereby enabling rapid charging of the battery pack.

[0039] In addition, the second charging circuit 300 is connected to the charging connector 100 and the battery connector 110, and the second charging circuit 300 is provided with a boost module 310 and a second control switch 320 configured to control the on / off state of the second charging circuit 300. In this way, when the charging connector 100 is connected to a charging device having a relatively low voltage (voltage less than 750V), for example when the charging connector 100 is connected to a charging device having a charging voltage of 470V, the second control switch 320 may be turned on, and therefore current may flow through the second charging circuit 300, the boost module 310 may boost the voltage of the second charging circuit 300, and the voltage of the second charging circuit 300 may be boosted to more than 630V, after which the battery pack may be rapidly charged.

[0040] Furthermore, if the charging connector 100 is not connected to a charging device, both the first control switch 210 and the second control switch 320 may be in the OFF state. If the charging connector 100 is connected to a charging device, the integrated motor control device 1 may detect the output voltage of the charging device. If the charging voltage is relatively high, the first control switch 210 is turned ON and the second control switch 320 is turned OFF. The charging device may directly charge the battery pack through the first charging circuit 200. If the charging voltage is relatively low, the second control switch 320 is turned ON and the first control switch 210 is turned OFF. The charging device may boost the voltage through the boost module 310 of the second charging circuit 300 and then charge the battery.

[0041] Thus, the first control switch 210 and the second control switch 320 are generally not turned off simultaneously in order to suppress voltage fluctuations during charging and thereby maintain a stable charging voltage. In addition, by controlling the on and off states of the first control switch 210 and the second control switch 320, the charging connector 100 can be connected to the battery connector 110 through different charging circuits to ensure that the charging voltage is high enough to enable rapid charging of the battery pack and to ensure high safety by preventing damage to the battery pack due to excessively high charging voltage. Accordingly, the integrated motor control device 1 according to this embodiment of the present disclosure is applicable to multiple charging devices and can enable rapid charging of the battery pack regardless of the output voltage of the charging device, resulting in more convenient and time-efficient charging.

[0042] Thus, the integrated motor control device 1 according to this embodiment of the present disclosure is applicable to various charging voltages and has advantages such as high versatility and convenient charging.

[0043] In some specific embodiments of this disclosure, as shown in Figure 1, the integrated motor control device 1 further includes an AC charge / discharge connector 400 and an AC charge / discharge circuit 410.

[0044] The AC charge / discharge circuit 410 includes an onboard charger (OBC) 411 and a DC / DC converter 412. The OBC 411 is connected to the AC charge / discharge connector 400. The DC / DC converter 412 is connected to the battery connector 110.

[0045] The OBC411 can dynamically adjust charging voltage and charging current parameters based on the charging current and voltage required by the battery pack to charge and protect the battery pack. Furthermore, an on-board discharge connector 420 may be connected to the OBC411 to charge items that need to be charged by passengers using AC power.

[0046] In this way, the AC charge / discharge connector 400 can provide access to the AC power supply, and the battery can be charged through the AC power supply. The OBC 411 can adjust the parameters of the AC voltage. The magnitude of the charging voltage is varied during the conversion of AC to DC to charge the battery pack.

[0047] Furthermore, the DC / DC converter 412 can stabilize the voltage and current of the DC flowing through the OBC 411 to enable rapid charging of the battery pack, and can convert low-voltage charging current to high-voltage charging current. In addition, the battery pack can also supply AC to the AC charge / discharge connector 400 through the AC charge / discharge circuit 410, and as a result, the AC charge / discharge connector 400 can supply power to the vehicle's electrical appliances that use AC power.

[0048] In some specific embodiments of this disclosure, the charging connector 100 is a DC charging connector 100. The boost module 310 includes a motor coil 312 and an electrically controlled bridge arm 316.

[0049] The motor coil 312 is the coil of the drive motor 311. The motor coil 312 is connected to the second charging circuit 300. The electric control bridge arm 316 is the bridge arm of the insulated gate bipolar transistor (IGBT) module 315 of the motor control device 313. The electric control bridge arm 316 is connected to the motor coil 312. In this way, the current flowing through the second charging circuit 300 may flow sequentially through the motor coil 312 and the electric control bridge arm 316 to form a boost module 310 and boost the current in the second charging circuit 300, thereby achieving rapid charging of the battery.

[0050] In this way, the boost module 310 and the motor control device 313 share the bridge arm of the IGBT module 315 of the motor control device 313, and the boost module 310 and the drive motor 311 share the motor coil 312. There is no need to additionally arrange electronic devices such as inductors, diodes, and switching devices, which reduces the number of parts, lowers production costs, and thereby helps to reduce the volume of the electrical assembly 2.

[0051] Furthermore, the drive motor 311 is generally a three-phase motor, meaning it has three sets of motor coils 312. Each of the three sets of motor coils 312 of the drive motor 311 is applied to the boost module 310. As a result, the probability of ripple current being generated by the second charging circuit 300 is reduced, thereby further ensuring the stability of the battery pack's input voltage.

[0052] In some specific embodiments of the present disclosure, the integrated motor control device 1 further includes a boost capacitor 640 and a smoothing capacitor 630.

[0053] The boost capacitor 640 is connected to the charging connector 100, the battery connector 110, and the IGBT module 315. The smoothing capacitor 630 is connected to the IGBT module 315 and the battery connector 110. When the battery pack supplies power to the IGBT module 315 for vehicle drive, the current from the battery pack first flows through the smoothing capacitor 630, which can absorb the ripple current of the current flowing to the battery connector 110 and store energy. In this way, the battery pack filters the current when supplying power to the IGBT module 315, maintaining a stable voltage and current. During boost charging, the boosted current from the motor coil 312 flows through the IGBT module 315 to the smoothing capacitor 630, and as a result, the smoothing capacitor 630 absorbs the boosted ripple current of the circuit and stores energy. In this way, the voltage is stable when current flows to the battery pack during charging.

[0054] In this way, the voltage stability of the battery connector 110 is maintained, thereby maintaining the stability of the charging and discharging voltages of the battery pack. However, the smoothing capacitor 630 and the motor coil form an L / C circuit. The boost capacitor 640 is positioned to absorb the ripple current of the current input from the charging connector 100 and filter the current input from the charging connector 100, and as a result, the voltage of the current input from the charging connector 100 is stabilized.

[0055] In some specific embodiments of the present disclosure, as shown in Figure 6, the integrated motor control device 1 further includes a capacitor housing 500, a battery positive electrode connection sheet 510, a battery negative electrode connection sheet 520, an output connection sheet 530, a charging positive electrode connection sheet 540, and a charging negative electrode connection sheet 550.

[0056] The boost capacitor 640 and the smoothing capacitor 630 are mounted on the capacitor housing 500. The battery positive electrode connection sheet 510 is mounted on the capacitor housing 500. The battery positive electrode connection sheet 510 is connected to the positive terminal of the battery connector 110 and the positive terminal of the smoothing capacitor 630. The battery negative electrode connection sheet 520 is mounted on the capacitor housing 500. The battery negative electrode connection sheet 520 is connected to the negative terminal of the battery connector 110 and the negative terminal of the smoothing capacitor 630. The output connection sheet 530 is mounted on the capacitor housing 500. The output connection sheet 530 is connected to the smoothing capacitor 630 and the IGBT module 315. The charging positive electrode connection sheet 540 is mounted on the capacitor housing 500. The charging positive electrode connection sheet 540 is connected to the positive terminal of the charging connector 100 and the boost capacitor 640. The charging negative electrode connection sheet 550 is mounted on the capacitor housing 500. The charging negative electrode connection sheet 550 is connected to the negative electrode of the charging connector 100, the boost capacitor 640, the smoothing capacitor 630, and the battery negative electrode connection sheet 520.

[0057] For example, to improve the heat dissipation of the boost capacitor 640 and the smoothing capacitor 630, a heat dissipation metal plate 591 and a heat transfer cement 592 are placed in the capacitor housing 500. The heat dissipation metal plate 591 is attached to the capacitor housing 500. The first surface 5921 of the heat transfer cement 592 is attached to the heat dissipation metal plate 591. The second surface 5922 of the heat transfer cement 592 is attached to the electrical control box. In other words, the heat transfer cement 592 is placed between the heat dissipation metal plate 591 and the electrical control box, which helps to transfer the heat from the capacitor to the electrical control box through the heat transfer cement 592, which acts as a medium for dissipating the heat from the capacitor. To facilitate wire harness wiring, the capacitor housing 500 may also be constructed with structures such as wire harness fixing grooves 505 and cable tie holes 506.

[0058] The boost capacitor 640 and the smoothing capacitor 630 may be incorporated into the capacitor housing 500, which facilitates placement and saves assembly space. Thus, the capacitor housing 500 may fix the battery positive electrode connection sheet 510, the battery negative electrode connection sheet 520, the output connection sheet 530, the charging positive electrode connection sheet 540, and the charging negative electrode connection sheet 550, while the battery positive electrode connection sheet 510, the battery negative electrode connection sheet 520, the output connection sheet 530, the charging positive electrode connection sheet 540, and the charging negative electrode connection sheet 550 may be exposed from the capacitor housing 500. In this way, the battery pack is connected to the smoothing capacitor 630, and the boost capacitor 640 is connected to the charging connector 100. Therefore, the connection is more reliable and assembly efficiency is higher.

[0059] In some specific embodiments of the present disclosure, as shown in Figure 6, the capacitor housing 500 has a first side edge 501, a second side edge 502, a third side edge 503, and a fourth side edge 504 that are connected from end to end in the circumferential direction of the capacitor housing 500. The battery positive electrode connection sheet 510, the battery negative electrode connection sheet 520, and the charging negative electrode connection sheet 550 are mounted on the first side edge 501. The output connection sheet 530 is mounted on the second side edge 502. The charging positive electrode connection sheet 540 is mounted on the third side edge 503.

[0060] In this manner, the battery positive electrode connection sheet 510, the battery negative electrode connection sheet 520, and the charging negative electrode connection sheet 550 may be separated from the output connection sheet 530 and the charging positive electrode connection sheet 540 to avoid positional interference between the multiple components and to facilitate mounting. In addition, to maintain a fault-free circuit, short circuits between the multiple components may be prevented during power-up.

[0061] In some specific embodiments of this disclosure, as shown in Figure 5, the integrated motor control device 1 further includes a circuit safety protection member 600.

[0062] The circuit safety protection member 600 is mounted on the capacitor housing 500. The circuit safety protection member 600 is connected to the battery negative electrode connection sheet 520 and to the negative electrode of the smoothing capacitor 630. For example, the circuit safety protection member 600 may be a fuse. The integrated motor control device 1 further includes a negative input sheet 590. The two ends of the circuit safety protection member 600 are connected to the negative input sheet 590 and the battery negative electrode connection sheet 520, respectively. The battery negative electrode connection sheet 520 is connected to the negative electrode of the smoothing capacitor 630. The battery negative electrode connection sheet 520 is connected to the negative electrode of the smoothing capacitor 630 through the circuit safety protection member 600 and the negative input sheet 590. The battery negative electrode connection sheet 520 is mounted on the first side edge portion 501.

[0063] Therefore, when the current flowing through the battery negative electrode connection sheet 520 and the current through the smoothing capacitor 630 become excessive, resulting in overcurrent and temperature rise in the circuit, the circuit safety protection member 600 can disconnect the connection to avoid damage to the battery pack by interrupting the current in the circuit. This helps to enhance safety during charging and discharging of the battery pack.

[0064] In some specific embodiments of the present disclosure, as shown in Figure 4, the integrated motor control device 1 further includes a charging-side magnetic ring 610 and a battery-side magnetic ring 620.

[0065] The charging-side magnetic ring 610 is mounted on the outer surface of the capacitor housing 500. The charging connector 100 is connected to the charging positive electrode connection sheet 540 and the charging negative electrode connection sheet 550 via the intermediate connector 120. The charging-side magnetic ring 610 is enclosed on the intermediate connector 120. The battery-side magnetic ring 620 is mounted on the outer surface of the capacitor housing 500. The battery-side magnetic ring 620 is enclosed on the battery connector 110.

[0066] In this way, the charging-side magnetic ring 610 can block external electromagnetic interference to the intermediate connector 120, and the battery-side magnetic ring 620 can block external electromagnetic interference to the battery connector 110. Therefore, external electromagnetic interference to the battery can be avoided, and the voltage of the battery pack during charging and discharging becomes more stable.

[0067] Furthermore, a magnetic ring mounting position 593, configured to accommodate the battery-side magnetic ring 620, may be provided on the capacitor housing 500. As a result, both the charging-side magnetic ring 610 and the battery-side magnetic ring 620 may be incorporated into the capacitor housing 500. Therefore, the integration of the capacitor housing 500 may be improved, and as a result, the structure of the capacitor housing 500 becomes more compact, saving assembly space and achieving better electromagnetic interference resistance for the capacitor housing 500.

[0068] The operation process of the integrated motor control device 1 will be explained with reference to the attached drawings.

[0069] When the battery pack supplies power to the drive motor, the current from the battery pack flows to the battery connector 110, from the positive terminal of the battery connector 110 through the battery positive terminal connection sheet 510 to the smoothing capacitor 630, then through the output connection sheet 530 to the IGBT module 315, where it is converted to AC and flows to the drive motor 311. The current also flows from the negative terminal of the battery connector 110 through the battery negative terminal connection sheet 520 to the circuit safety protection member 600, through the negative input sheet 590 to the smoothing capacitor 630, then through the output connection sheet 530 to the IGBT module 315, where it is converted to AC and flows to the drive motor 311.

[0070] When the battery pack is charged and the charging voltage is less than 750V, the charging current flows through the charging connector 100 and the charging side magnetic ring 610. The charging current then flows from the negative terminal of the charging connector 100 through the charging negative terminal connection sheet 550 to the battery negative terminal connection sheet 520, and then from the battery connector 110 to the battery pack. The charging current also flows from the positive terminal of the charging connector 100 to the motor coil 312 and the IGBT module 315, where it is boosted in the motor coil 312. The boosted current flows to the battery positive terminal connection sheet 510, and then from the battery connector 110 to the battery pack.

[0071] In some specific embodiments of this disclosure, as shown in Figures 3, 4, 7, and 8, the integrated motor control device 1 further includes a box 700, a drive board 730, a control board 740, and a power supply device 750.

[0072] A first chamber 710 is provided on the first side 701 of the box 700 in the thickness direction. A second chamber 720 is provided on the second side 702 of the box 700 in the thickness direction. The IGBT module 315 is mounted in the first chamber 710. The drive board 730 and the control board 740 are mounted in the first chamber 710. The drive board 730 is connected to the IGBT module 315 and the control board 740. The power supply device 750 is mounted in the second chamber 720 and is connected to the control board 740. The control board 740 is connected to the vehicle control device.

[0073] In other words, the first chamber 710 and the second chamber 720 are respectively located on two sides of the box 700 in the thickness direction. In this way, the side wall between the first chamber 710 and the second chamber 720 can separate the IGBT module 315, the drive board 730, and the control board 740 from the power supply device 750, which effectively reduces electromagnetic interference from the power supply device 750 to the IGBT module 315, the drive board 730, and the control board 740, thereby improving the effectiveness of electrical control. Furthermore, each of the IGBT module 315, the drive board 730, the control board 740, and the power supply device 750 may be incorporated into the box 700. The box 700 may fix the IGBT module 315, the drive board 730, the control board 740, and the power supply device 750. In this way, the structure becomes more compact, which helps reduce the overall volume of the integrated motor control device 1 and facilitates mounting.

[0074] Certainly, the first chamber 710 may be divided into multiple smaller chambers, and the second chamber 720 may also be divided into multiple smaller chambers. The power supply device 750 includes an AC inductor, a DC inductor, a metal-oxide-semiconductor field-effect transistor (MOS) transistor, and an induction transformer. The AC inductor, DC inductor, MOS transistor, and induction transformer are located in the smaller chambers of the second chamber 720. In this way, electromagnetic interference between multiple power supply modules is further avoided, which helps to improve electromagnetic compatibility.

[0075] In addition, wiring holes are provided between the first chamber 710 and the second chamber 720. Wire harnesses may pass through the wiring holes to facilitate electrical connections between components in the first chamber 710 and components in the second chamber 720, by connecting electrical devices in the first chamber 710 to electrical devices in the second chamber 720.

[0076] For example, the control board 740, the drive board 730, and the IGBT module 315 are stacked in that order. An electromagnetic shielding plate is placed between the control board 740 and the drive board 730 to prevent the operating IGBT module 315 from interfering with the control board 740.

[0077] The integrated motor control device 1 may be provided with an upper cover 760 and a lower cover 770. The upper cover 760 may be configured to cover the first chamber 710 in order to protect the components within the first chamber 710, such as the IGBT module 315, the drive board 730, and the control board 740, and to avoid positional interference between external components and the IGBT module 315, the drive board 730, and the control board 740. In addition, the lower cover 770 may be configured to cover the second chamber 720 in order to protect the power supply device 750 and to avoid positional interference between the power supply device 750 and other components.

[0078] In some specific embodiments of this disclosure, as shown in Figures 9 and 10, the integrated motor control device 1 further includes a channel cover plate 800. The channel cover plate 800 may be integrally connected to the box 700 by friction welding.

[0079] A third water channel 810 is provided in the water channel cover plate 800. A first water channel 712 and a second water channel 711 are provided in the box 700. The water channel cover plate 800 is connected to the box 700. The water channel cover plate 800 is configured to cover the first water channel 712 and the second water channel 711. The third water channel 810 communicates with the first water channel 712 and the second water channel 711. Coolant from the first water channel 712 flows into the third water channel 810 to dissipate heat from the IGBT module 315. Coolant from the third water channel 810 flows into the second water channel 711 to dissipate heat from the power supply device 750.

[0080] In other words, the third channel 810, the first channel 712, and the second channel 711 form a connected channel. The coolant in the third channel 810, the coolant in the first channel 712, and the coolant in the second channel 711 may be shared. Specifically, the coolant in the third channel 810, the coolant in the first channel 712, and the coolant in the second channel 711 may circulate with each other. The IGBT module 315 can seal the third channel 810 to prevent leakage of the coolant in the third channel 810, the coolant in the first channel 712, and the coolant in the second channel 711. In addition, the coolant in the third channel 810 can cool the IGBT module 315 to prevent it from being damaged by high temperatures and to keep it at a low temperature to maintain its stable operation.

[0081] In addition, the first water channel 712 and the second water channel 711 can be sealed by a water channel cover plate 800 to prevent leakage of the coolant from the first water channel 712 and the second water channel 711. The coolant from the second water channel 711 can exchange heat with the power supply device 750 through the outer wall of the second water channel 711. In this way, the temperature of the power supply device 750 can be reduced, and as a result the power supply device 750 can be kept at a low temperature, which can improve the operational stability of the power supply device 750 and prevent it from being damaged by high temperatures.

[0082] Furthermore, the third waterway 810, the first waterway 712, and the second waterway 711 are in communication with each other. The coolant flow path becomes longer. The coolant in the first waterway 712 may flow into the third waterway 810 to dissipate heat from the IGBT module 315, and the coolant in the third waterway 810 may also flow into the second waterway 711 to dissipate heat from the power supply device 750. This helps to increase the utilization rate of the coolant and allows the coolant to completely exchange heat with the power supply device 750 and the IGBT module 315.

[0083] Furthermore, as shown in Figure 9, the third waterway 810 includes a plurality of cooling cavities 811 arranged along the length of the third waterway. A plurality of IGBT modules 315 are arranged. The plurality of cooling cavities 811 correspond one-to-one with the plurality of IGBT modules 315. In this way, each cooling cavity 811 can exchange heat with the corresponding IGBT module 315 in order to dissipate heat from the IGBT module 315. The waterway cover plate 800 is provided with a sealing groove 840 surrounding the waterway cover plate 800. A sealing ring is placed in the sealing groove 840. The sealing ring fills the gap between the IGBT module 315 and the waterway cover plate 800. Each IGBT module 315 may have a better sealing effect on the corresponding cooling cavities 811 in order to ensure the sealing performance of the third waterway 810 and to avoid leakage of coolant from the cooling cavities 811.

[0084] Furthermore, each cooling cavity 811 includes a water inlet 812 and a water outlet 813. The water inlets 812 and water outlets 813 of two adjacent cooling cavities 811 are in communication with each other. The first water channel 712 is in communication with the water inlet 812 of the cooling cavity 811 adjacent to the first water channel. The second water channel 711 is in communication with the water outlet 813 of the cooling cavity 811 adjacent to the second water channel. At least one partition plate 820 is positioned on one side of the water channel cover plate 800 facing the box 700. The partition plate 820 is configured to prevent the water inlets 812 and water outlets 813 adjacent to each other from being in communication with the second water channel 711.

[0085] In other words, the partition plate 820 can separate the second water channel 711 from the third water channel 810. The coolant in adjacent cooling cavities 811 may maintain communication with each other through the water inlet 812 and water outlet 813. In this way, the coolant in the third water channel 810 can flow through each of the cooling cavities 811. This helps to avoid a situation where some cooling cavities 811 lack coolant as a result of the coolant flowing directly into the second water channel 711, thereby enhancing the cooling effect of the third water channel 810 on the IGBT modules 315. In this way, multiple IGBT modules 315 can stably exchange heat with the cooling cavities 811.

[0086] For example, one of the two outermost cooling cavities 811 may be connected to the second water channel 711 through a water outlet 813, and the other of the two cooling cavities 811 may be connected to the first water channel 712 through a water inlet 812. In this way, the coolant in the first water channel 712 may enter the third water channel 810 through the water inlet 812 of one of the outermost cooling cavities 811, and flow back to the second water channel 711 through the water outlet 813 of the other cooling cavity 811. Thus, circulation of the coolant in the first water channel 712, the coolant in the third water channel 810, and the coolant in the second water channel 711 is achieved, and the coolant can flow completely through the second water channel 711 and the third water channel 810, which helps to increase the utilization rate of the coolant.

[0087] In some specific embodiments of this disclosure, as shown in Figure 7, the second channel 711 includes a transition section 713 and an annular section 714.

[0088] The transition section 713 is connected to a water outlet 813 of a cooling cavity 811 adjacent to the transition section. The annular section 714 surrounds the power supply device 750 and is configured to dissipate heat from the power supply device 750. The first end 715 of the annular section 714 is connected to one end of the transition section 713. A water outlet hole 717 is provided at the second end 716 of the annular section 714. The outer wall of the annular section 714 is configured to dissipate heat from the power supply device 750.

[0089] Based on the above, the coolant flows into the first channel 712, and then into the cooling cavity 811 adjacent to the first channel 712. The coolant in the third channel 810 then flows sequentially through the multiple cooling cavities 811 in the direction from the first channel 712 towards the transition section 713. Next, the coolant flows from the cooling cavities 811 adjacent to the transition section 713 to the transition section 713, and finally flows from the transition section 713 to the annular section 714, where it is discharged from the water outlet hole 717.

[0090] Furthermore, the contact area between the annular compartment 714 and the power supply device 750 is larger, the structure of the annular compartment 714 is more compact, and it occupies a smaller space. The heat dissipation of the power supply device 750 by the annular compartment 714 enhances the heat exchange effect between the second water channel 711 and the power supply device 750, in which case the power supply device 750 is cooled rapidly, thereby achieving a better heat dissipation effect.

[0091] In addition, the depth of the annular compartment 714 is greater than the depth of the first water channel 712 and the depth of the transition compartment 713. In this way, on the one hand, the volume of the annular compartment 714 may be larger, allowing the annular compartment 714 to accommodate more coolant, thereby increasing the heat dissipation effect of the annular compartment 714 on the power supply device 750. On the other hand, the transition between the first water channel 712 and the third water channel 810 may be smoother, the transition between the transition compartment 713 and the third water channel 810 may be smoother, and the circulation flow of the coolant between the second water channel 711 and the third water channel 810 may be smoother, as a result the coolant may completely exchange heat with the power supply device 750 and the IGBT module 315, further increasing the heat dissipation effect of the power supply device 750 and the IGBT module 315.

[0092] For example, the annular compartment 714 surrounds the induction transformer of the power supply device 750 in a "U" shape to dissipate heat. The MOS transistors, AC inductors, and DC inductors of the power supply device 750 are located outside the "U" shaped annular compartment 714 and are attached to the outer wall of the annular compartment 714.

[0093] In some specific embodiments of this disclosure, as shown in Figures 7 and 8, the integrated motor control device 1 further includes a water inlet pipe 900 and a water outlet pipe 910.

[0094] The water inlet pipe 900 is mounted in the box 700 and communicates with the first water channel 712. The water outlet pipe 910 is mounted in the box 700 and communicates with the water outlet hole 717. In this way, the coolant can flow through the water inlet pipe 900 into the first water channel 712, the third water channel 810, and the second water channel 711. The coolant can be discharged through the water outlet hole 717 and the water outlet pipe 910. In other words, after the coolant has completely exchanged heat with the power device 750 and the IGBT module 315, the coolant in the first water channel 712, the coolant in the third water channel 810, and the coolant in the second water channel 711 can be discharged through the water outlet pipe 910. The coolant in the first water channel 712, the coolant in the third water channel 810, and the coolant in the second water channel 711 are replenished through the water inlet pipe 900 to maintain sufficient coolant in the first water channel 712, the third water channel 810, and the second water channel 711, and to keep the coolant at a relatively low temperature, in order to enhance the cooling effect of the second water channel 711 and the third water channel 810 on the power supply device 750 and the IGBT module 315.

[0095] In addition, the water outlet pipe 910 and the water inlet pipe 900 are arranged vertically. For example, the water inlet pipe 900 may be located on one side of the box 700, and the water outlet pipe 910 may be located on an adjacent side of the box 700. In this way, positional interference between the water inlet pipe 900 and the water outlet pipe 910 may be avoided in order to facilitate arrangement. In addition, the lengths of the second water channel 711 and the third water channel 810 may be set to be relatively large, so that the second water channel 711 and the third water channel 810 may cover a large portion of the box 700, which further enhances the cooling effect of the second water channel 711 and the third water channel 810 on the power supply device 750 and the IGBT module 315. In addition, the coolant in the second water channel 711 and the coolant in the third water channel 810 can lower the temperature of the box 700 and further dissipate heat from other components mounted in the box 700, thereby enhancing the heat dissipation effect of the box 700.

[0096] For example, as a result of the above arrangement, the water outlet pipe 910 becomes relatively long, so a retaining plate 911 may be added. The retaining plate 911 is mounted on the box 700, and the water outlet pipe 910 is sandwiched between the retaining plate and the box 700 to fix the position of the water outlet pipe 910 relative to the box 700.

[0097] An integrated motor control device 1 according to another embodiment of the present disclosure includes a charging connector 100, a battery connector 110, a first charging circuit 200, and a second charging circuit 300.

[0098] The charging connector 100 is configured to connect to a charging device. For example, the charging connector 100 may be connected to a charging pile. The battery connector 110 is configured to connect to a battery pack. The first charging circuit 200 is connected to the charging connector 100 and the battery connector 110. The second charging circuit 300 is connected to the charging connector 100 and the battery connector 110. The second charging circuit 300 is provided with a boost module 310. One of the first charging circuit 200 and the second charging circuit 300 is turned on.

[0099] The first charging circuit 200 is connected to the charging connector 100 and the battery connector 110. In this way, if the charging connector 100 is connected to a charging device having a relatively high voltage (voltage of 750V or higher), for example, if the charging connector 100 is connected to a charging device having a charging voltage of 750V, the first charging circuit 200 is turned on, and therefore current flows through the first charging circuit 200 to directly charge the battery connector 110, thereby enabling rapid charging of the battery pack.

[0100] In addition, the second charging circuit 300 is connected to the charging connector 100 and the battery connector 110, and the second charging circuit 300 is provided with a boost module 310. In this way, when the charging connector 100 is connected to a charging device having a relatively low voltage (voltage less than 750V), for example, when the charging connector 100 is connected to a charging device having a charging voltage of 470V, the second charging circuit 300 is turned on, and the boost module 310 may boost the voltage of the second charging circuit 300, so that the voltage of the second charging circuit 300 may be boosted to more than 630V, and the battery pack may then be rapidly charged.

[0101] Thus, the integrated motor control device 1 according to this embodiment of the present disclosure is applicable to various charging voltages and has advantages such as high versatility and convenient charging.

[0102] In some embodiments of this disclosure, if the voltage supplied by the charging device is greater than a preset value, the first charging circuit (200) is turned on. In this case, the first charging circuit 200 is turned on and the second charging circuit 300 is turned off. The charging device may directly charge the battery pack through the first charging circuit 200. If the voltage supplied by the charging device is less than or equal to the preset value, the second charging circuit 300 is turned on. In this case, the second charging circuit 300 is turned on and the first charging circuit 200 is turned off. The charging device may boost the voltage through the boost module 310 of the second charging circuit 300 and then charge the battery. In addition, if the charging connector 100 is not connected to the charging device, both the first charging circuit 200 and the second charging circuit 300 are turned off.

[0103] In some specific embodiments of this disclosure, the boost module 310 includes motor coils 312 and an electrically controlled bridge arm 316. Three sets of motor coils 312 are arranged. The electrically controlled bridge arm 316 includes a three-phase bridge arm. The first ends of the three sets of motor coils 312 are connected to the midpoint of the three-phase bridge arm, respectively. The second ends of each of the three sets of motor coils 312 are connected to the charging connector 100. In this way, the current flowing through the second charging circuit 300 may flow sequentially through the motor coils 312 and the three-phase bridge arm to form the boost module 310 and boost the current in the second charging circuit 300, thereby enabling rapid charging of the battery. The boost module 310 includes three sets of motor coils 312 and a three-phase bridge arm. Therefore, the probability of ripple current generation by the second charging circuit 300 can be reduced, further ensuring the stability of the battery pack's input voltage.

[0104] An electrical assembly 2 according to one embodiment of a second aspect of the present disclosure is described below with reference to the accompanying drawings. The electrical assembly 2 includes an integrated motor control device 1 in the above-described embodiment of a first aspect of the present disclosure.

[0105] Specifically, referring to Figure 1, the electrical assembly 2 further includes a drive motor 311 and a transmission 3. The water outlet pipe 910 of the integrated motor control device 1 may communicate with the coolant flow path of the transmission 3. In this way, the coolant in the water channel of the integrated motor control device 1 may flow into the coolant flow path of the transmission 3 to dissipate heat from the IGBT module 315 and the power supply device 750, and then to dissipate heat from the drive motor 311 and the transmission 3. The three-phase output terminals of the drive motor 311 are connected to the IGBT module 315. The coils of the drive motor 311 are connected to the charging connector 100.

[0106] The electrical assembly 2 according to the embodiment of the present disclosure is applicable to various charging voltages through the integrated motor control device 1 described above, and has advantages such as high versatility and convenient charging.

[0107] As shown in Figure 11, a vehicle 3 is provided according to one embodiment of a third aspect of the present disclosure. The vehicle 3 includes an electrical assembly according to the above embodiment of a second aspect of the present disclosure.

[0108] The vehicle 3 according to the embodiment of this disclosure is applicable to various charging voltages through the electrical assembly 2 described above and has advantages such as high versatility and convenient charging.

[0109] Other compositions and operations of the integrated motor control unit 1, electrical assembly 2, and vehicle 3 in embodiments of this disclosure are known to those skilled in the art and are therefore not described in detail herein.

[0110] In this specification, reference terms such as “one embodiment,” “several embodiments,” “exemplary embodiments,” “example,” “specific examples,” or “several examples” mean that the specific features, structures, materials, or properties described based on the embodiments or examples are included in at least one embodiment or example of this disclosure. In this specification, a general description of the above terms does not necessarily mean the same embodiment or example. In addition, the specific features, structures, materials, or properties described may be appropriately combined in one or more embodiments or examples.

[0111] While embodiments of the Disclosure have been shown and described, various changes, modifications, substitutions, and variations may be made to the embodiments without departing from the principles and spirit of the Disclosure, and the scope of the Disclosure is defined by the claims and their equivalents. [Explanation of Symbols]

[0112] 1. Integrated motor control unit 2. Electrical Assembly 3 Transmission 4 vehicles 100 Charging Connectors 110 Battery Connector 120 intermediate connector 200 First charging circuit 210 First control switch 300 Second charging circuit 310 Boost Module 311 Drive motor 312 Motor Coil 313 Motor control device 315 Insulated Gate Bipolar Transistor (IGBT) Module 316 Electrically controlled bridge arm 320 Second control switch 400 AC Charge / Discharge Connector 410 AC charge / discharge circuit 411 Onboard Charger (OBC) 412 DC / DC Converter 420 Automotive Discharge Connector 500 Capacitor Enclosure 501 First lateral edge 502 Second lateral edge 503 Third lateral edge 504 Fourth lateral edge 505 Wire harness fixing groove 506 Cable tie holes 510 Battery Positive Electrode Connection Sheet 520 Battery Negative Electrode Connection Sheet 530 Output Connection Sheet 540 Charging Positive Electrode Connection Sheet 550 Charging Negative Electrode Connection Sheet 590 Negative Input Sheet 591 Heat dissipation metal plate 592 Heat transfer cement 5921 First side 5922 Second side 593 Magnetic ring mounting location 600 Circuit safety protection component 610 Charging side magnetic ring 620 Battery-side magnetic ring 630 Smoothing Capacitor 640 Boost Capacitor 700 boxes 701 First Aspect 702 Second Aspect 710 First Chamber 711 Second waterway 712 First waterway 713 Transition Area 714 Ring section 715 First end 716 Second end 717 Water outlet hole 720 Second Chamber 730 Drive board 740 Control board 750 Power Devices 760 Top cover 770 Lower cover 800 Waterway cover plate 810 Third waterway 811 Cooling Cavity 812 Water inlet 813 Water outlet 820 Partition Plate 840 sealing groove 900 water inlet pipe 910 Water outlet pipe 911 Pressing plate

Claims

1. An integrated motor control device (1), Charging connector (100) and Battery connector (110) and, A first charging circuit (200) is provided, wherein the first charging circuit (200) is connected to the charging connector (100) and the battery connector (110), and the first charging circuit (200) is provided with a first control switch (210), and the first control switch (210) is configured to control the on / off state of the first charging circuit (200), The second charging circuit (300) is connected to the charging connector (100) and the battery connector (110), and the second charging circuit (300) is provided with a boost module (310) and a second control switch (320), the second control switch (320) is configured to control the on / off state of the second charging circuit (300), and the second charging circuit (300) is provided with a boost module (310) and a second control switch (320), the second charging circuit (300) is configured to control the on / off state of the second charging circuit (300), The charging connector (100) is a DC charging connector, The boost module (310) A motor coil (312) wherein the motor coil (312) is a coil of a drive motor (311), and the motor coil (312) is connected to the second charging circuit (300), An electrically controlled bridge arm (316) is the bridge arm of an insulated gate bipolar transistor (IGBT) module (315) of a motor control device (313), and the electrically controlled bridge arm (316) is connected to the motor coil (312), comprising: A boost capacitor (640) is connected to the charging connector (100), the battery connector (110), and the IGBT module (315). The smoothing capacitor (630) is further connected to the IGBT module (315) and the battery connector (110), A capacitor housing (500) wherein the boost capacitor (640) and the smoothing capacitor (630) are mounted in the capacitor housing (500), A battery positive electrode connection sheet (510) is mounted on the capacitor housing (500), and the battery positive electrode connection sheet (510) is connected to the positive electrode of the battery connector (110) and the positive electrode of the smoothing capacitor (630). A battery negative electrode connection sheet (520) is mounted on the capacitor housing (500), and the battery negative electrode connection sheet (520) is connected to the negative electrode of the battery connector (110) and the negative electrode of the smoothing capacitor (630). An output connection sheet (530) is mounted on the capacitor housing (500), and the output connection sheet (530) is connected to the smoothing capacitor (630) and the IGBT module (315), A charging positive electrode connection sheet (540) is mounted on the capacitor housing (500), and the charging positive electrode connection sheet (540) is connected to the positive electrode of the charging connector (100) and the boost capacitor (640), An integrated motor control device (1) further comprises a charging negative electrode connection sheet (550), the charging negative electrode connection sheet (550) being mounted on the capacitor housing (500), and the charging negative electrode connection sheet (550) being connected to the negative electrode of the charging connector (100), the boost capacitor (640), the smoothing capacitor (630), and the battery negative electrode connection sheet (520).

2. AC charge / discharge connector (400), The integrated motor control device (1) according to claim 1, further comprising: an AC charge / discharge circuit (410), the AC charge / discharge circuit (410) provided with an onboard charger (OBC) (411) and a DC / DC converter (412), the OBC (411) being connected to the AC charge / discharge connector (400) and the DC / DC converter (412) being connected to the battery connector (110).

3. The capacitor housing (500) has a first side edge (501), a second side edge (502), a third side edge (503), and a fourth side edge (504) that are connected from end to end in the circumferential direction of the capacitor housing (500), The integrated motor control device (1) according to claim 1, wherein the battery positive electrode connection sheet (510), the battery negative electrode connection sheet (520), and the charging negative electrode connection sheet (550) are mounted on the first side edge (501), the output connection sheet (530) is mounted on the second side edge (502), and the charging positive electrode connection sheet (540) is mounted on the third side edge (503).

4. The integrated motor control device (1) according to claim 1, further comprising a circuit safety protection member (600), wherein the circuit safety protection member (600) is mounted on the capacitor housing (500), and the circuit safety protection member (600) is connected to the battery negative electrode connection sheet (520) and the negative electrode of the smoothing capacitor (630).

5. A charging-side magnetic ring (610) is mounted on the outer circumferential surface of the capacitor housing (500), the charging connector (100) is connected to the charging positive electrode connection sheet (540) and the charging negative electrode connection sheet (550) via an intermediate connector 120, and the charging-side magnetic ring (610) is externally mounted on the intermediate connector (120), and the charging-side magnetic ring (610) is externally mounted on the intermediate connector (120), The integrated motor control device (1) according to claim 1, further comprising a battery-side magnetic ring (620), wherein the battery-side magnetic ring (620) is mounted on the outer circumferential surface of the capacitor housing (500), and the battery-side magnetic ring (620) is externally mounted on the battery connector (110).

6. A heat dissipation metal plate (591), wherein the heat dissipation metal plate (591) is attached to the capacitor housing (500), The integrated motor control device (1) according to claim 1, further comprising: a heat transfer cement (592), wherein a first surface (5921) of the heat transfer cement (592) in the thickness direction is attached to the heat dissipation metal plate (591), and a second surface (5922) of the heat transfer cement (592) in the thickness direction is attached to the box (700).

7. The box (700) is configured such that a first chamber (710) is located on a first side surface (701) of the box (700) in the thickness direction, a second chamber (720) is located on a second side surface (702) of the box (700) in the thickness direction, and the IGBT module (315) is mounted in the first chamber (710). A drive board (730) wherein the drive board (730) is mounted on the first chamber (710) and the drive board (730) is connected to the IGBT module (315), A control board (740) wherein the control board (740) is mounted on the first chamber (710) and the control board (740) is connected to the drive board (730), The integrated motor control device (1) according to claim 1, further comprising a power supply device (750), wherein the power supply device (750) is mounted in the second chamber (720) and connected to the control board (740).

8. The box (700) is provided with a first water channel (712) and a second water channel (711), the first water channel (712) being configured to communicate with a water inlet pipe (900), and the second water channel (711) being configured to communicate with a water outlet pipe (910). The integrated motor control device (1) A water channel cover plate (800) is connected to the box (700), and the water channel cover plate (800) is configured to cover the first water channel (712) and the second water channel (711), and a third water channel (810) is provided in the water channel cover plate (800), and the third water channel (810) is in communication with the first water channel (712) and the second water channel (711), further comprising a water channel cover plate (800), The integrated motor control device (1) according to claim 7, wherein the coolant in the first water channel (712) flows into the third water channel (810) to dissipate heat from the IGBT module (315), and the coolant in the third water channel (810) flows into the second water channel (711) to dissipate heat from the power supply device (750).

9. Multiple IGBT modules (315) are arranged, The third water channel (810) comprises a plurality of cooling cavities (811) arranged in the longitudinal direction of the third water channel (810), the plurality of cooling cavities (811) correspond one-to-one with the plurality of IGBT modules (315), each of the cooling cavities (811) comprises a water inlet (812) and a water outlet (813), the adjacent water inlets (812) of two adjacent cooling cavities (811) communicate with the water outlet (813), the first water channel (712) communicates with the water inlet (812) of the cooling cavities (811) adjacent to the first water channel, and the second water channel (711) communicates with the water outlet (813) of the cooling cavities (811) adjacent to the second water channel (711). The integrated motor control device (1) according to claim 8, wherein at least one partition plate (820) is positioned on one side of the water channel cover plate (800) facing the box (700), and the partition plate (820) is configured to prevent the water inlet (812) and the water outlet (813), which are adjacent to each other, from communicating with the second water channel (711).

10. The second waterway (711) is A transition section (713), wherein the transition section (713) is in communication with the water outlet (813) of the cooling cavity (811) adjacent to the transition section (713), The annular compartment (714) comprises an annular compartment (714) which surrounds the power supply device (750), is configured to dissipate heat from the power supply device (750), has a first end (715) of the annular compartment (714) connected to one end of the transition compartment (713), and has a water outlet hole (717) at its second end (716), and The integrated motor control device (1) according to claim 9, wherein the depth of the annular section (714) is greater than the depth of the first waterway (712), and the depth of the annular section (714) is greater than the depth of the transition section (713).

11. The water inlet pipe (900) is mounted on the box (700), and the water inlet pipe (900) is in communication with the first water channel (712), The integrated motor control device (1) according to claim 10, further comprising: a water outlet pipe (910) wherein the water outlet pipe (910) is mounted on the box (700), the water outlet pipe (910) is in communication with the water outlet hole, and the water outlet pipe (910) and the water inlet pipe (900) are arranged in a vertical direction.

12. An integrated motor control device (1), A charging connector (100) configured to connect to a charging device, A battery connector (110) configured to connect to a battery pack, A first charging circuit (200), wherein the first charging circuit (200) is connected to the charging connector (100) and the battery connector (110), The second charging circuit (300) is connected to the charging connector (100) and the battery connector (110), and the second charging circuit (300) is provided with a boost module (310), and the second charging circuit (300) comprises One of the first charging circuit and the second charging circuit is turned on. The charging connector (100) is a DC charging connector, The boost module (310) A motor coil (312) wherein the motor coil (312) is a coil of a drive motor (311), and the motor coil (312) is connected to the second charging circuit (300), An electrically controlled bridge arm (316) is the bridge arm of an insulated gate bipolar transistor (IGBT) module (315) of a motor control device (313), and the electrically controlled bridge arm (316) is connected to the motor coil (312), comprising: A boost capacitor (640) is connected to the charging connector (100), the battery connector (110), and the IGBT module (315). The smoothing capacitor (630) is further connected to the IGBT module (315) and the battery connector (110), A capacitor housing (500) wherein the boost capacitor (640) and the smoothing capacitor (630) are mounted in the capacitor housing (500), A battery positive electrode connection sheet (510) is mounted on the capacitor housing (500), and the battery positive electrode connection sheet (510) is connected to the positive electrode of the battery connector (110) and the positive electrode of the smoothing capacitor (630). A battery negative electrode connection sheet (520) is mounted on the capacitor housing (500), and the battery negative electrode connection sheet (520) is connected to the negative electrode of the battery connector (110) and the negative electrode of the smoothing capacitor (630). An output connection sheet (530) is mounted on the capacitor housing (500), and the output connection sheet (530) is connected to the smoothing capacitor (630) and the IGBT module (315), A charging positive electrode connection sheet (540) is mounted on the capacitor housing (500), and the charging positive electrode connection sheet (540) is connected to the positive electrode of the charging connector (100) and the boost capacitor (640), An integrated motor control device (1) further comprises a charging negative electrode connection sheet (550), the charging negative electrode connection sheet (550) being mounted on the capacitor housing (500), and the charging negative electrode connection sheet (550) being connected to the negative electrode of the charging connector (100), the boost capacitor (640), the smoothing capacitor (630), and the battery negative electrode connection sheet (520).

13. The integrated motor control device according to claim 12, wherein the first charging circuit (200) is turned on when the voltage supplied by the charging device is greater than a preset value, and the second charging circuit (300) is turned on when the voltage supplied by the charging device is less than or equal to the preset value.

14. The integrated motor control device according to claim 12, wherein the boost module (310) comprises a motor coil (312) and an electrically controlled bridge arm (316), wherein three sets of motor coils (312) are arranged, the electrically controlled bridge arm (316) comprises a three-phase bridge arm, the first ends of the three sets of motor coils (312) are connected to the midpoint of the three-phase bridge arm, and the second ends of each of the three sets of motor coils (312) are connected to the charging connector (100).

15. An electrical assembly (2) comprising an integrated motor control device (1) according to any one of claims 1 to 14.

16. A vehicle (4) comprising the electrical assembly (2) described in claim 15.

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