Integrated motor controller, 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] The present disclosure relates to the field of vehicle technology, and more particularly, to an integrated motor controller, an electrical assembly, and a vehicle. [Background technology]

[0003] In the related art, the battery of a vehicle can usually be quickly charged by a direct current (DC) high-voltage charging pile corresponding to the charging voltage of the vehicle, and has a specific requirement for the charging voltage, resulting in a relatively low charging versatility of the vehicle and a poor user experience. Summary of the Invention [Problem to be solved by the invention]

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

[0005] The present disclosure further provides a vehicle having the above-described electrical assembly. [Means for solving the problem]

[0006] An integrated motor controller according to an embodiment of the 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. The first control switch is configured to control on / off 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. The second control switch is configured to control on / off of the second charging circuit.

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

[0008] According to some examples of the present disclosure, the integrated motor controller further includes an alternating current (AC) charging and discharging connector and an AC charging and discharging circuit. The AC charging and discharging circuit includes an on-board charger (OBC) and a direct current (DC) to DC converter. The OBC is connected to the AC charging and discharging connector. The DC to DC converter is connected to the battery connector.

[0009] According to some examples of the present 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 a coil of a drive motor. The motor coil is connected to a second charging circuit. The electrically controlled bridge arm is a bridge arm of an insulated gate bipolar transistor (IGBT) module of a motor controller. The electrically controlled bridge arm is connected to the motor coil.

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

[0011] According to some examples of the present disclosure, the 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 the smoothing capacitor are mounted on the capacitor housing. The battery positive electrode connection sheet is mounted on the capacitor housing. The battery positive electrode connection sheet is connected to the positive electrode of the battery connector and the positive electrode of the smoothing capacitor. The battery negative electrode connection sheet is mounted on the capacitor housing. The battery negative electrode connection sheet is connected to the negative electrode of the battery connector and the negative electrode of the smoothing capacitor. The output connection sheet is mounted on the capacitor housing. The output connection sheet is connected to the smoothing capacitor and the IGBT module. The charging positive electrode connection sheet is mounted on the capacitor housing. The charging positive electrode connection sheet is connected to the positive electrode of the charging connector and the boost capacitor. The charging negative electrode connection sheet is mounted on the capacitor housing. The charging negative electrode connection sheet is connected to the negative electrode of the charging connector, the boost capacitor, the smoothing capacitor, and the battery negative electrode 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 end to end in a circumferential direction of the capacitor housing. A battery positive electrode connection sheet, a battery negative electrode connection sheet, and a charging negative electrode connection sheet are mounted on the first side edge. An output connection sheet is mounted on the second side edge. A charging positive electrode connection sheet is mounted on the third side edge.

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

[0014] According to some examples of the present disclosure, the 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 an outer circumferential surface of the capacitor housing. The charging connector is connected to the charging positive electrode connection sheet and the charging negative electrode connection sheet through the intermediate connector. The charging side magnetic ring is sleeved on the intermediate connector. The battery side magnetic ring is mounted on an outer circumferential surface of the capacitor housing. The battery side magnetic ring is sleeved on the battery connector.

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

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

[0017] According to some examples of the present disclosure, the box is provided with a first water passage and a second water passage. The first water passage is configured to communicate with the water inlet pipe. The second water passage is configured to communicate with the water outlet pipe. The integrated motor controller further includes a water passage cover plate. The water passage cover plate is coupled to the box. The water passage cover plate is configured to cover the first water passage and the second water passage. The water passage cover plate is provided with a third water passage. The third water passage is in communication with the first water passage and the second water passage. Cooling liquid from the first water passage flows into the third water passage to dissipate heat from the IGBT module. Cooling liquid from the third water passage flows into the second water passage to dissipate heat from the power device.

[0018] According to some examples of the present disclosure, a plurality of IGBT modules are disposed. The third water passage includes a plurality of cooling cavities disposed in a length direction of the third water passage. The plurality of cooling cavities correspond one-to-one to the plurality of IGBT modules. Each of the cooling cavities includes a water inlet and a water outlet. Adjacent water inlets of two adjacent cooling cavities are communicated with the water outlet. The first water passage is communicated with the water inlet of the cooling cavity adjacent to the first water passage. The second water passage is communicated with the water outlet of the cooling cavity adjacent to the second water passage. At least one partition plate is disposed on one side of the water passage cover plate facing the box. The partition plate is configured to prevent adjacent water inlets and water outlets from being communicated with the second water passage.

[0019] According to some examples of the present disclosure, the second water passage includes a transition section and an annular section. The transition section is in communication with a water outlet of the cooling cavity adjacent to the transition section. The annular section surrounds the power device. The annular section is configured to dissipate heat of the power device. A first end of the annular section is coupled to one end of the transition section. A second end of the annular section is provided with a water outlet hole. A depth of the annular section is greater than a depth of the first water passage. A depth of the annular section is greater than a depth of the transition section.

[0020] According to some examples of the present disclosure, the integrated motor controller further includes a water inlet pipe and a water outlet pipe. The water inlet pipe is mounted to the box. The water inlet pipe is in communication with the first water passage. The water outlet pipe is mounted to the box. The water outlet pipe is in communication with the water outlet hole. The water outlet pipe and the water inlet pipe are vertically disposed.

[0021] According to some examples of the present disclosure, an integrated motor controller 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. One of the first charging circuit and the second charging circuit is turned on.

[0022] According to some examples of the present disclosure, when the voltage provided by the charging device is greater than a preset value, the first charging circuit is turned on, and when the voltage provided by the charging device is equal to or less than the preset value, the second charging circuit is turned on.

[0023] According to some examples of the present disclosure, the boost module includes a motor coil and an electrically controlled bridge arm. Three sets of motor coils are arranged. The electrically controlled bridge arm includes a three-phase bridge arm. First ends of the three sets of motor coils are respectively connected to midpoints of the three-phase bridge arms. Second ends of the three sets of motor coils are respectively connected to a charging connector.

[0024] According to an embodiment of the second aspect of the present disclosure, there is provided an electrical assembly including an integrated motor controller according to the above embodiment of the first aspect of the present disclosure.

[0025] The electrical assembly according to the embodiments of the present disclosure is applicable to various charging voltages through the above-mentioned integrated motor controller, and has advantages such as high versatility and convenient charging.

[0026] According to an embodiment of the third aspect of the present disclosure, there is provided a vehicle comprising an electrical 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-mentioned electrical assembly, and has advantages such as high versatility and convenient charging.

[0028] Additional aspects and advantages of the disclosure will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the disclosure.

[0029] The above and / or additional aspects and advantages of the present disclosure will become apparent and understandable from the following detailed description of the embodiments, taken in conjunction with the accompanying drawings. [Brief description of the drawings]

[0030] [Figure 1] FIG. 1 is a principle diagram of an integrated motor controller according to an embodiment of the present disclosure. [Diagram 2] FIG. 1 is a schematic structural diagram of an electrical assembly according to one embodiment of the present disclosure. [Diagram 3] FIG. 2 is an exploded view of an integrated motor controller according to one embodiment of the present disclosure. [Figure 4] FIG. 2 is another exploded view of an integrated motor controller according to one embodiment of the present disclosure. [Diagram 5] FIG. 1 is a cross-sectional view of an integrated motor controller according to one embodiment of the present disclosure. [Figure 6] FIG. 2 is a schematic structural diagram of a capacitor housing according to an embodiment of the present disclosure. [Figure 7] FIG. 2 is a schematic structural diagram of a box according to an embodiment of the present disclosure. [Figure 8] FIG. 2 is a schematic structural diagram of a box from another perspective according to an embodiment of the present disclosure. [Figure 9] FIG. 2 is a schematic structural diagram of a waterway cover plate according to one embodiment of the present disclosure. [Figure 10] FIG. 13 is a cross-sectional view of a flume cover plate according to one embodiment of the present disclosure. [Figure 11] 1 is a schematic diagram of a vehicle according to one embodiment of the present disclosure. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0031] The embodiments of the present disclosure are described in detail below, and examples of the embodiments are illustrated in the accompanying drawings. The same or similar reference symbols throughout represent the same or similar elements, or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present disclosure, and should not be construed as limiting the present disclosure.

[0032] In describing the present disclosure, it should be understood that orientations or positions indicated by terms such as "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inside," and "outer" are based on the orientations or positions illustrated in the accompanying drawings, and are used solely for convenience and simplicity of description of the present disclosure, rather than indicating or implying that the devices or elements shown need have a particular orientation or be constructed and operated in a particular orientation. Thus, such terms should not be construed as limiting the present disclosure.

[0033] It should be noted that the terms "first" and "second" are used merely for descriptive purposes and cannot be construed as indicating or implying a relative importance or quantity of the technical features depicted. Thus, features defined by "first" and "second" may explicitly or implicitly include one or more of such features. Furthermore, in the description of this disclosure, unless otherwise specified, "plurality" means two or more.

[0034] An integrated motor controller 1 according to one embodiment of the present disclosure will now be described with reference to the accompanying drawings.

[0035] As shown in FIGS. 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 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 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 a battery pack of a vehicle.

[0038] In the integrated motor controller 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 of the first charging circuit 200. In this manner, when the charging connector 100 is connected to a charging device having a relatively high voltage (a 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 in an on state, and thus a current may pass through the first charging circuit 200 to directly charge the battery connector 110, thereby realizing fast 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 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 (a 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 in an on state, so that a 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 above 630V, and then the battery pack may be fast-charged.

[0040] Furthermore, when the charging connector 100 is not connected to a charging device, the first control switch 210 and the second control switch 320 may both be in an off state. When 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. When 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. When 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] In this way, the first control switch 210 and the second control switch 320 are generally not turned off at the same time to reduce voltage fluctuation during charging, thereby maintaining a stable charging voltage. In addition, by controlling the on and off 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 realize fast charging of the battery pack, and to ensure high safety by preventing the battery pack from being damaged due to an excessively high charging voltage. Therefore, the integrated motor control device 1 according to this embodiment of the present disclosure is applicable to multiple charging devices and can realize fast charging of the battery pack regardless of the output voltage of the charging device, so that charging is more convenient and time-efficient.

[0042] In this manner, 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 the present disclosure, as shown in FIG. 1, the integrated motor controller 1 further includes an alternating current (AC) charging and discharging connector 400 and an AC charging and discharging circuit 410.

[0044] The AC charging / discharging circuit 410 includes an on-board charger (OBC) 411 and a direct current (DC) / DC converter 412. The OBC 411 is connected to the AC charging / discharging connector 400. The DC / DC converter 412 is connected to the battery connector 110.

[0045] The OBC 411 can dynamically adjust charging voltage and charging current parameters based on the charging current and charging voltage required by the battery pack to charge and protect the battery pack. Additionally, an on-board discharge connector 420 may be connected to the OBC 411 for charging items that need to be AC ​​charged by the passengers.

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

[0047] Further, the DC / DC converter 412 can provide voltage and current regulation to the DC flowing through the OBC 411 and can convert a low voltage charging current to a high voltage charging current to achieve fast charging of the battery pack. In addition, the battery pack can also send AC through the AC charging / discharging circuit 410 to the AC charging / discharging connector 400 so that the AC charging / discharging connector 400 can provide power to the vehicle's electrical appliances that use AC power.

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

[0049] The motor coil 312 is a coil of the driving motor 311. The motor coil 312 is connected to the second charging circuit 300. The electric control bridge arm 316 is a bridge arm of an 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 through the motor coil 312 and the electric control bridge arm 316 in order to form a boost module 310 through the motor coil 312 and the electric control bridge arm 316 to boost the current of the second charging circuit 300, thereby realizing fast charging of the battery.

[0050] In this way, the boost module 310 and the motor controller 313 share the bridge arm of the IGBT module 315 of the motor controller 313, and the boost module 310 and the driving 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 amount of parts and reduces the production cost, thereby helping to reduce the volume of the electrical assembly 2.

[0051] Furthermore, since the driving motor 311 is generally a three-phase motor, that is, the driving motor 311 has three sets of motor coils 312, each of the three sets of motor coils 312 of the driving motor 311 is applied to the boost module 310, so that the probability of ripple current generated by the second charging circuit 300 can be reduced, thereby further ensuring the stability of the input voltage of the battery pack.

[0052] In some specific embodiments of the present disclosure, the integrated motor controller 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 driving the vehicle, the current of 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 performs filtering and maintains a stable voltage and current when supplying power to the IGBT module 315. During boost charging, the boosted current of the motor coil 312 flows through the IGBT module 315 to the smoothing capacitor 630, so that the smoothing capacitor 630 absorbs the boosted ripple current of the circuit and stores energy. In this way, the voltage is stable when the 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 voltage and discharging voltage of the battery pack. However, the smoothing capacitor 630 and the motor coil form an L / C circuit. The boost capacitor 640 is arranged to absorb the ripple current of the current input from the charging connector 100 and filter the current input from the charging connector 100, so that 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 FIG. 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 electrode of the battery connector 110 and the positive electrode 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 electrode of the battery connector 110 and the negative electrode 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 electrode 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 enhance 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 disposed in the capacitor housing 500. The heat dissipation metal plate 591 is attached to the capacitor housing 500. A first surface 5921 of the heat transfer cement 592 is attached to the heat dissipation metal plate 591. A second surface 5922 of the heat transfer cement 592 is attached to the electric control box. In other words, the heat transfer cement 592 is disposed between the heat dissipation metal plate 591 and the electric control box, which helps the heat of the capacitor to be transferred to the electric control box through the heat transfer cement 592 as a medium for dissipating the heat of the capacitor. To facilitate the wiring of the wire harness, the capacitor housing 500 may further be constructed with structures such as a wire harness fixing groove 505 and a cable tie hole 506.

[0058] The boost capacitor 640 and the smoothing capacitor 630 may be integrated into the capacitor housing 500, which facilitates the arrangement and saves the 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, and 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. Thus, the connection is more reliable and the assembly efficiency is more improved.

[0059] In some specific embodiments of the present disclosure, as shown in FIG. 6 , a 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 end to end in the circumferential direction of the capacitor housing 500. A battery positive electrode connection sheet 510, a battery negative electrode connection sheet 520, and a charging negative electrode connection sheet 550 are mounted on the first side edge 501. An output connection sheet 530 is mounted on the second side edge 502. A 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 spaced apart from the output connection sheet 530 and the charging positive electrode connection sheet 540 to avoid positional interference between the multiple components and facilitate mounting. In addition, short circuits may be prevented from occurring between the multiple components during power-up to maintain a fault-free circuit.

[0061] In some specific embodiments of the present disclosure, as shown in FIG. 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 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. Two ends of the circuit safety protection member 600 are respectively connected to the negative input sheet 590 and the battery negative electrode connection sheet 520. 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 an overcurrent and temperature rise occurs in the circuit as a result of the current flowing through the battery negative electrode connection sheet 520 and the current in the smoothing capacitor 630 becoming excessive, the circuit safety protection member 600 can be disconnected to prevent damage to the battery pack by interrupting the current in the circuit, which helps to enhance safety during charging and discharging of the battery pack.

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

[0065] The charging side magnetic ring 610 is mounted on the outer peripheral 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 through the intermediate connector 120. The charging side magnetic ring 610 is mounted on the outer peripheral surface of the capacitor housing 500. The battery side magnetic ring 620 is mounted on the outer peripheral surface of 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 is more stable.

[0067] In addition, a magnetic ring mounting position 593 configured to mount the battery-side magnetic ring 620 may be provided on the capacitor housing 500, so that the charging-side magnetic ring 610 and the battery-side magnetic ring 620 may both be integrated into the capacitor housing 500. Thus, the integration of the capacitor housing 500 may be improved, so that the structure of the capacitor housing 500 is more compact, so as to save assembly space and achieve a better anti-electromagnetic interference effect of the capacitor housing 500.

[0068] The operation process of the integrated motor controller 1 will be described with reference to the accompanying drawings.

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

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

[0071] In some specific embodiments of the present 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 device 750.

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

[0073] In other words, the first chamber 710 and the second chamber 720 are respectively disposed 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 driving board 730, and the control board 740 from the power device 750, which effectively reduces the electromagnetic interference of the power device 750 to the IGBT module 315, the driving board 730, and the control board 740, and enhances the effectiveness of the electric control. Furthermore, each of the IGBT module 315, the driving board 730, the control board 740, and the power device 750 may be integrated into the box 700. The box 700 may fix the IGBT module 315, the driving board 730, the control board 740, and the power device 750. In this way, the structure is more compact, which helps to 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 small chambers, and the second chamber 720 may also be divided into multiple small chambers. The power supply device 750 is provided with an AC inductor, a DC inductor, a metal-oxide-semiconductor field-effect transistor (MOS) transistor, and an inductive transformer. The AC inductor, the DC inductor, the MOS transistor, and the inductive transformer are disposed in the small chamber of the second chamber 720. In this way, electromagnetic interference between multiple power supply modules is further avoided, which helps to enhance electromagnetic compatibility.

[0075] Additionally, a wiring hole is provided between the first chamber 710 and the second chamber 720. A wire harness may pass through the wiring hole to communicate an electrical device in the first chamber 710 with an electrical device in the second chamber 720 and facilitate electrical connections between components in the first chamber 710 and the second chamber 720.

[0076] For example, the control board 740, the drive board 730, and the IGBT module 315 are stacked in order. An electromagnetic shield plate is disposed between the control board 740 and the drive board 730 to prevent the IGBT module 315 from interfering with the control board 740 during operation.

[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 to protect components in 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 to protect the power supply device 750 and to avoid positional interference between another component and the power supply device 750.

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

[0079] The water channel cover plate 800 is provided with a third water channel 810. The box 700 is provided with a first water channel 712 and a second water channel 711. 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. The cooling liquid of the first water channel 712 flows into the third water channel 810 to dissipate heat of the IGBT module 315. The cooling liquid of the third water channel 810 flows into the second water channel 711 to dissipate heat of the power supply device 750.

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

[0081] In addition, the first water passage 712 and the second water passage 711 can be sealed by a water passage cover plate 800 to avoid leakage of the cooling liquid of the first water passage 712 and the cooling liquid of the second water passage 711. The cooling liquid of the second water passage 711 can exchange heat with the power supply device 750 through the outer wall of the second water passage 711. In this way, the temperature of the power supply device 750 can be reduced, so that the power supply device 750 is kept at a low temperature, and the operation stability of the power supply device 750 can be improved, thereby preventing the power supply device 750 from being damaged by high temperature.

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

[0083] Further, as shown in FIG. 9 , the third water passage 810 includes a plurality of cooling cavities 811 arranged in the length direction of the third water passage. A plurality of IGBT modules 315 are arranged therein. The plurality of cooling cavities 811 correspond one-to-one with the plurality of IGBT modules 315. In this manner, each cooling cavity 811 can exchange heat with the corresponding IGBT module 315 to dissipate the heat of the IGBT module 315. The water passage cover plate 800 is provided with a sealing groove 840 surrounding the water passage cover plate 800. A sealing ring is arranged in the sealing groove 840. The sealing ring fills the gap between the IGBT module 315 and the water passage cover plate 800. Each IGBT module 315 may have a better sealing effect to the corresponding cooling cavity 811, so as to ensure the sealing performance of the third water passage 810 and avoid the leakage of the cooling liquid of the cooling cavity 811.

[0084] Further, 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 communicate with each other. The first water passage 712 communicates with the water inlet 812 of the cooling cavity 811 adjacent to the first water passage. The second water passage 711 communicates with the water outlet 813 of the cooling cavity 811 adjacent to the second water passage. At least one partition plate 820 is disposed on one side of the water passage 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 communicating with the second water passage 711.

[0085] In other words, the partition plate 820 can separate the second water passage 711 and the third water passage 810. The cooling liquids of the adjacent cooling cavities 811 may be kept in communication with each other through the water inlet 812 and the water outlet 813. In this way, the cooling liquid of the third water passage 810 can flow through each of the cooling cavities 811. This helps to avoid a situation where the cooling liquid is not present in some cooling cavities 811 as a result of the cooling liquid flowing directly to the second water passage 711, and enhances the cooling effect of the third water passage 810 on the IGBT module 315. In this way, the 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 communicated with the second water passage 711 through the water outlet 813, and the other of the two cooling cavities 811 may be communicated with the first water passage 712 through the water inlet 812. In this way, the cooling liquid of the first water passage 712 may enter the third water passage 810 through the water inlet 812 of one of the outermost cooling cavities 811 and flow back to the second water passage 711 through the water outlet 813 of the other cooling cavity 811. Thus, circulation of the cooling liquid of the first water passage 712, the cooling liquid of the third water passage 810, and the cooling liquid of the second water passage 711 is realized, and the cooling liquid can completely flow through the second water passage 711 and the third water passage 810, which helps to increase the utilization rate of the cooling liquid.

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

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

[0089] Based on the above, the cooling liquid flows into the first water passage 712 and then flows into the cooling cavity 811 adjacent to the first water passage 712. Then, the cooling liquid in the third water passage 810 flows sequentially through the cooling cavities 811 in a direction from the first water passage 712 toward the transition section 713. The cooling liquid then flows from the cooling cavity 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, and is discharged from the water outlet hole 717 of the annular section 714.

[0090] In addition, the contact area between the annular section 714 and the power device 750 is larger, the structure of the annular section 714 is more compact, and occupies less space. The heat dissipation of the power device 750 by the annular section 714 can enhance the heat exchange effect between the second water passage 711 and the power device 750, in which case the power device 750 can be cooled quickly, thereby achieving a better heat dissipation effect.

[0091] In addition, the depth of the annular section 714 is greater than the depth of the first water passage 712 and the depth of the transition section 713. In this way, on the one hand, the volume of the annular section 714 may be larger, and the annular section 714 may accommodate more cooling liquid, thereby enhancing the heat dissipation effect of the annular section 714 on the power supply device 750. On the other hand, the transition between the first water passage 712 and the third water passage 810 may be smoother, the transition between the transition section 713 and the third water passage 810 may be smoother, and the circulation flow of the cooling liquid between the second water passage 711 and the third water passage 810 may be smoother, so that the cooling liquid may fully exchange heat with the power supply device 750 and the IGBT module 315, further enhancing the heat dissipation effect of the power supply device 750 and the heat dissipation effect of the IGBT module 315.

[0092] For example, the annular compartment 714 surrounds the inductive 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 disposed 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 the present disclosure, as shown in FIGS. 7 and 8, the integrated motor controller 1 further includes a water inlet pipe 900 and a water outlet pipe 910.

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

[0095] In addition, the water outlet pipe 910 and the water inlet pipe 900 are arranged in a vertical direction. For example, the water inlet pipe 900 may be arranged on one side of the box 700, and the water outlet pipe 910 may be arranged 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 to facilitate arrangement. In addition, the lengths of the second water passage 711 and the third water passage 810 may be set relatively large, so that the second water passage 711 and the third water passage 810 may cover most of the box 700, which further enhances the cooling effect of the second water passage 711 and the third water passage 810 on the power supply device 750 and the IGBT module 315. In addition, the cooling liquid of the second water passage 711 and the cooling liquid of the third water passage 810 can lower the temperature of the box 700, and further dissipate the heat of other components mounted in the box 700, thereby enhancing the heat dissipation effect of the box 700.

[0096] For example, because the water outlet pipe 910 becomes relatively long as a result of the above arrangement, a retaining plate 911 may be added. The retaining plate 911 is mounted to 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 manner, when the charging connector 100 is connected to a charging device having a relatively high voltage (a 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 charging circuit 200 is in an on state, and thus a current may pass through the first charging circuit 200 to directly charge the battery connector 110, thereby realizing fast 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 (a 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 may be 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 then the battery pack may be fast-charged.

[0101] In this manner, 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 the present disclosure, when the voltage provided 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. When the voltage provided by the charging device is equal to or less than 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, when the charging connector 100 is not connected to the charging device, both the first charging circuit 200 and the second charging circuit 300 are in an off state.

[0103] In some specific embodiments of the present disclosure, the boost module 310 includes a motor coil 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 respectively connected to the midpoints of the three-phase bridge arms. The second ends of the three sets of motor coils 312 are respectively connected to the charging connector 100. In this manner, the current flowing through the second charging circuit 300 may flow through the motor coil 312 and the three-phase bridge arm in sequence to form the boost module 310 through the motor coil 312 and the three-phase bridge arm and boost the current of the second charging circuit 300, thereby realizing rapid charging of the battery. The boost module 310 includes three sets of motor coils 312 and the three-phase bridge arm. Therefore, the probability of ripple current being generated by the second charging circuit 300 can be reduced, and the stability of the input voltage of the battery pack is further ensured.

[0104] An electrical assembly 2 according to an embodiment of the second aspect of the present disclosure will now be described with reference to the accompanying drawings, in which: The electrical assembly 2 includes the integrated motor controller 1 according to the above embodiment of the first aspect of the present disclosure.

[0105] 1 , the electric 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 be in communication with the coolant flow path of the transmission 3. In this manner, the coolant in the water path of the integrated motor control device 1 may dissipate heat from the IGBT module 315 and the power supply device 750, and then flow to the coolant flow path of the transmission 3 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 electric assembly 2 according to the embodiment of the present disclosure is applicable to various charging voltages through the above-mentioned integrated motor control device 1, and has advantages such as high versatility and convenient charging.

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

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

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

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

[0111] While embodiments of the present disclosure have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions, and variations may be made to the embodiments without departing from the principles and spirit of the present disclosure, and the scope of the present disclosure is defined by the claims and their equivalents. [Explanation of symbols]

[0112] 1 Integrated motor control device 2 Electrical Assembly 3. Transmission 4. Vehicles 100 Charging connector 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 On-Board Charger (OBC) 412 Direct Current (DC) / DC Converter 420 Vehicle discharge connector 500 Capacitor housing 501 first side edge 502 second side edge 503 Third side edge 504 Fourth side edge 505 Wire harness fixing groove 506 Cable tie hole 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 Face 593 Magnetic ring mounting position 600 Circuit safety protection components 610 Charging side magnetic ring 620 Battery side magnetic ring 630 Smoothing capacitor 640 Boost Capacitor 700 Box 701 First Aspect 702 The Second Aspect 710 First Chamber 711 Second Waterway 712 First Waterway 713 Transition Section 714 Circular Section 715 First End 716 Second End 717 Water outlet hole 720 Second Chamber 730 Drive Board 740 Control Board 750 Power Device 760 Top cover 770 Lower cover 800 Waterway cover plate 810 The Third Waterway 811 Cooling Cavity 812 Water inlet 813 Water outlet 820 Partition 840 Sealing groove 900 water inlet pipe 910 Water outlet pipe 911 Presser plate

Claims

1. An integrated motor control device (1), A charging connector (100); A battery connector (110); A first charging circuit (200), the first charging circuit (200) being connected to the charging connector (100) and the battery connector (110), the first charging circuit (200) being provided with a first control switch (210), the first control switch (210) being configured to control the on / off of the first charging circuit (200); A second charging circuit (300), the second charging circuit (300) being connected to the charging connector (100) and the battery connector (110), the second charging circuit (300) being provided with a boost module (310) and a second control switch (320), the second control switch (320) being configured to control the on / off of the second charging circuit (300); An integrated motor control device (1).

2. An alternating current (AC) charging / discharging connector (400); 2. The integrated motor control device of claim 1, further comprising: an AC charging and discharging circuit (410) including an on-board charger (OBC) (411) and a direct current (DC) / DC converter (412), the OBC (411) being connected to the AC charging and discharging connector (400), and the DC / DC converter (412) being connected to the battery connector (110).

3. The charging connector (100) is a DC charging connector, The boost module (310) a motor coil (312), said motor coil (312) being a coil of a drive motor (311), said motor coil (312) being connected to said second charging circuit (300); 3. The integrated motor controller (1) of claim 1 or 2, comprising: an electrically controlled bridge arm (316), the electrically controlled bridge arm (316) being a bridge arm of an insulated gate bipolar transistor (IGBT) module (315) of a motor controller (313), the electrically controlled bridge arm (316) being connected to the motor coil (312).

4. a boost capacitor (640), said boost capacitor (640) being connected to said charging connector (100), said battery connector (110), and said IGBT module (315); 4. The integrated motor controller of claim 3, further comprising: a smoothing capacitor (630), said smoothing capacitor (630) connected to said IGBT module (315) and said battery connector (110).

5. A capacitor housing (500) in which the boost capacitor (640) and the smoothing capacitor (630) are mounted on the capacitor housing (500); A battery positive electrode connection sheet (510), the battery positive electrode connection sheet (510) being mounted on the capacitor housing (500), the battery positive electrode connection sheet (510) being connected to a positive electrode of the battery connector (110) and a positive electrode of the smoothing capacitor (630); A battery negative electrode connection sheet (520), the battery negative electrode connection sheet (520) being mounted on the capacitor housing (500), the battery negative electrode connection sheet (520) being connected to the negative electrode of the battery connector (110) and the negative electrode of the smoothing capacitor (630); an output connection sheet (530), the output connection sheet (530) being mounted on the capacitor housing (500), the output connection sheet (530) being connected to the smoothing capacitor (630) and the IGBT module (315); A charging positive electrode connection sheet (540), the charging positive electrode connection sheet (540) being mounted on the capacitor housing (500), the charging positive electrode connection sheet (540) being connected to the positive electrode of the charging connector (100) and the boost capacitor (640); 5. The integrated motor control device (1) of claim 4, further comprising: 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).

6. The capacitor housing (500) has a first side edge portion (501), a second side edge portion (502), a third side edge portion (503), and a fourth side edge portion (504) that are connected from end to end in a circumferential direction of the capacitor housing (500); 6. The integrated motor control device (1) of claim 5, wherein the battery positive connection sheet (510), the battery negative connection sheet (520), and the charging negative connection sheet (550) are mounted on the first side edge portion (501), the output connection sheet (530) is mounted on the second side edge portion (502), and the charging positive connection sheet (540) is mounted on the third side edge portion (503).

7. 7. The integrated motor control device (1) of claim 5 or 6, further comprising a circuit safety protection member (600), the circuit safety protection member (600) being mounted on the capacitor housing (500), the circuit safety protection member (600) being connected to the battery negative electrode connection sheet (520) and the negative electrode of the smoothing capacitor (630).

8. A charging side magnetic ring (610), the charging side magnetic ring (610) being mounted on the outer peripheral surface of the capacitor housing (500), the charging connector (100) being connected to the charging positive electrode connection sheet (540) and the charging negative electrode connection sheet (550) through an intermediate connector (120), the charging side magnetic ring (610) being exteriorly attached to the intermediate connector (120); The integrated motor control device (1) of any one of claims 5 to 7, further comprising a battery side magnetic ring (620), the battery side magnetic ring (620) being mounted on the outer circumferential surface of the capacitor housing (500), and the battery side magnetic ring (620) being externally mounted on the battery connector (110).

9. a heat dissipating metal plate (591), the heat dissipating metal plate (591) being attached to the capacitor housing (500); The integrated motor control device (1) of any one of claims 5 to 8, further comprising a heat transfer cement (592), wherein a first surface (5921) of the heat transfer cement (592) in a 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 a box (700).

10. the box (700), wherein a first chamber (710) is disposed on a first side (701) of the box (700) in a thickness direction, a second chamber (720) is disposed on a second side (702) of the box (700) in the thickness direction, and the IGBT module (315) is mounted in the first chamber (710); a drive substrate (730), the drive substrate (730) being mounted in the first chamber (710), the drive substrate (730) being connected to the IGBT module (315); a control board (740), the control board (740) being mounted in the first chamber (710), the control board (740) being connected to the drive board (730); 10. The integrated motor control device (1) of claim 3, further comprising: a power supply device (750), the power supply device (750) being mounted in the second chamber (720), the power supply device (750) being connected to the control board (740).

11. The box (700) is provided with a first water passage (712) and a second water passage (711), the first water passage (712) being configured to communicate with a water inlet pipe (900), and the second water passage (711) being configured to communicate with a water outlet pipe (910); The integrated motor control device (1), a waterway cover plate (800), said waterway cover plate (800) being connected to said box (700), said waterway cover plate (800) being configured to cover said first waterway (712) and said second waterway (711), said waterway cover plate (800) being provided with a third waterway (810), said third waterway (810) being in communication with said first waterway (712) and said second waterway (711); 11. The integrated motor control device (1) of claim 10, wherein the cooling liquid in the first water passage (712) flows into the third water passage (810) to dissipate heat from the IGBT module (315), and the cooling liquid in the third water passage (810) flows into the second water passage (711) to dissipate heat from the power device (750).

12. A plurality of IGBT modules (315) are arranged; the third water passage (810) comprises a plurality of cooling cavities (811) arranged in a longitudinal direction of the third water passage (810), the plurality of cooling cavities (811) corresponding one-to-one to the plurality of IGBT modules (315), each of the cooling cavities (811) comprising a water inlet (812) and a water outlet (813), adjacent water inlets (812) of two adjacent cooling cavities (811) being in communication with the water outlet (813), the first water passage (712) being in communication with the water inlet (812) of the cooling cavity (811) adjacent to the first water passage, the second water passage (711) being in communication with the water outlet (813) of the cooling cavity (811) adjacent to the second water passage (711); The integrated motor control device (1) of claim 11, wherein at least one partition plate (820) is arranged on one side of the water channel cover plate (800) facing the box (700), and the partition plate (820) is configured to prevent adjacent water inlets (812) and water outlets (813) from communicating with the second water channel (711).

13. The second water channel (711) a transition section (713), said transition section (713) being in communication with said water outlet (813) of said cooling cavity (811) adjacent said transition section (713); an annular compartment (714), the annular compartment (714) surrounding the power device (750), the annular compartment (714) configured to dissipate heat of the power device (750), a first end (715) of the annular compartment (714) coupled to one end of the transition section (713), and a second end (716) of the annular compartment (714) provided with a water outlet hole (717); 13. The integrated motor control device (1) of claim 12, wherein a depth of the annular section (714) is greater than a depth of the first water passage (712), and the depth of the annular section (714) is greater than a depth of the transition section (713).

14. the water inlet pipe (900), the water inlet pipe (900) being mounted in the box (700), the water inlet pipe (900) being in communication with the first water passage (712); 14. The integrated motor control device (1) of claim 13, further comprising: a water outlet pipe (910), the water outlet pipe (910) being mounted to the box (700), the water outlet pipe (910) being in communication with the water outlet hole, and the water outlet pipe (910) and the water inlet pipe (900) being vertically disposed.

15. 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), said first charging circuit (200) being connected to said charging connector (100) and said battery connector (110); a second charging circuit (300), the second charging circuit (300) being connected to the charging connector (100) and the battery connector (110), the second charging circuit (300) being provided with a voltage boost module (310); An integrated motor controller (1), wherein one of the first charging circuit and the second charging circuit is turned on.

16. 16. The integrated motor controller of claim 15, 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.

17. 16. The integrated motor control of claim 15, wherein the boost module (310) comprises a motor coil (312) and an electrically controlled bridge arm (316), three sets of motor coils (312) are arranged, the electrically controlled bridge arm (316) comprises a three-phase bridge arm, first ends of the three sets of motor coils (312) are respectively connected to midpoints of the three-phase bridge arms, and second ends of the three sets of motor coils (312) are respectively connected to the charging connector (100).

18. An electrical assembly (2) comprising an integrated motor controller (1) according to any one of claims 1 to 17.

19. A vehicle (4) comprising an electrical assembly (2) according to claim 18.

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