Dual motor controller and vehicle having same

Abstract

The embodiment of the application relates to a double-motor controller and a vehicle with the same, and relates to the technical field of vehicles.The double-motor controller comprises a box, a first partition plate arranged in the box, the first partition plate dividing the internal space of the box into an upper accommodating space and a lower accommodating space, a DCDC module arranged in the middle of the upper accommodating space, a control plate arranged on one side of the DCDC module in the upper accommodating space, a fuse assembly arranged on the side, away from the control plate, of the upper accommodating space, a first drive assembly arranged on one side of the lower accommodating space, and a second drive assembly arranged on the side, of the first drive assembly, of the lower accommodating space.The control plate, the first drive assembly and the second drive assembly are separated by the first partition plate, and the DCDC module and the control plate are separated by a second partition plate, so that the electromagnetic compatibility of the whole double-motor controller can be improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of vehicles, in particular to a dual-motor controller and a vehicle with the same. BACKGROUND

[0002] In recent years, under the policy support of the state's vigorous promotion of the development of new energy vehicles, the entire new energy vehicle industry is showing a vigorous development trend. The drive motor system, as the power output unit of the whole vehicle, determines the power performance of the electric vehicle, so it is called the "heart" of the new energy vehicle, and its importance is self-evident. With the further compression of the available space of the whole vehicle, it has become a big problem for the controller structure engineer to reasonably plan the structure layout of the motor controller and optimize the layout of the controller in a small space.

[0003] In the related art, although two control modules are integrated in one box, the electromagnetic compatibility is poor, which will have a great impact on the control signal. SUMMARY

[0004] The embodiments of the present application provide a dual-motor controller and a vehicle with the same, aiming to improve the electromagnetic compatibility of the dual-motor controller.

[0005] The first aspect of the embodiments of the present application provides a dual-motor controller, comprising:

[0006] a box, a first partition plate is arranged inside the box, the first partition plate divides the internal space of the box into an upper accommodation space and a lower accommodation space, and the upper accommodation space and the lower accommodation space are respectively sealed by an upper cover of the box and a lower cover of the box;

[0007] a DCDC module, the DCDC module is arranged in the middle of the upper accommodation space, and a second partition plate is arranged between the DCDC module and the control board;

[0008] a control board, the control board is arranged on one side of the DCDC module in the upper accommodation space;

[0009] a fuse assembly, the fuse assembly is arranged on the side of the upper accommodation space away from the control board;

[0010] a first drive assembly, the first drive assembly is arranged on one side of the lower accommodation space;

[0011] a second drive assembly, the second drive assembly is arranged on one side of the first drive assembly in the lower accommodation space;

[0012] a first capacitor, the first capacitor is arranged on the side of the first drive assembly in the lower accommodation space, and the first drive assembly is electrically connected with the first capacitor.

[0013] A second capacitor is arranged on the side of the second driving assembly of the lower accommodating space, and the second capacitor is electrically connected with the second driving assembly.

[0014] Optionally, the first partition plate is internally provided with a heat dissipation water channel, and the first partition plate is provided with a first heat dissipation hole and a second heat dissipation hole.

[0015] The first driving assembly and the second driving assembly respectively extend into the heat dissipation water channel through the first heat dissipation hole and the second heat dissipation hole.

[0016] Optionally, the DC filter is further included.

[0017] The DC filter is arranged on the side of the lower accommodating space away from the first driving assembly and the second driving assembly, and the DC filter is electrically connected with the first capacitor and the second capacitor, respectively.

[0018] Optionally, the DC filter includes a support frame, a third safety capacitor and a first magnetic ring.

[0019] The support frame includes a horizontal plate and a vertical plate, the safety capacitor is arranged on the vertical plate, the first magnetic ring is arranged on the horizontal plate, the horizontal plate is fixed on the top of the first capacitor, and the vertical plate is provided with a third grounding part electrically connected with the box.

[0020] Optionally, the box is provided with a DC high-voltage connector on the outer side surface near the side of the fuse assembly, and the DC high-voltage connector is electrically connected with the DCDC module, the fuse assembly and the DC filter through a DC high-voltage input wire harness.

[0021] Optionally, the fuse assembly includes a fuse module, a safety device and a first current output wire harness.

[0022] The safety device includes a safety box and a fuse, the safety box and the fuse module are integrally formed, and the fuse is arranged in the safety box to electrically connect the fuse module and the first current output wire harness.

[0023] Optionally, the box is provided with a CMP high-voltage connector, a PTC high-voltage connector and a DCDC connector on the outer side surface near the side of the fuse assembly.

[0024] The CMP high-voltage connector and the PTC high-voltage connector are electrically connected with the fuse module through the first current output wire harness, respectively, and the DCDC connector is electrically connected with the DCDC module.

[0025] Optionally, the fuse box further comprises an uncovering detection device;

[0026] The uncovering detection device comprises an uncovering detection connector and a fuse cover plate, and the uncovering detection connector is arranged in the fuse box.

[0027] The upper cover of the box body is provided with a detection hole, and the fuse cover plate seals the detection hole.

[0028] The fuse cover plate is provided with a guide block, the uncovering detection connector is provided with a first connecting end and a second connecting end, and the guide block electrically connects the first connecting end and the second connecting end when the fuse cover plate cooperates with the detection hole.

[0029] Optionally, the first drive assembly comprises a first three-phase module, a first drive board and a first IGBT module, and the second drive assembly comprises a second three-phase module, a second drive board and a second IGBT module.

[0030] The first drive board is connected to the upper end of the first IGBT module, the first three-phase module is connected to the upper end of the first drive board, the second drive board is connected to the upper end of the second IGBT module, and the second three-phase module is connected to the upper end of the second drive board.

[0031] Optionally, a first shielding plate and a first insulating pad are arranged between the first drive board and the first IGBT module, a first safety capacitor is arranged on the first drive board, the first drive board is electrically connected to the first capacitor and the first IGBT module through a first drive board copper bar, and the first shielding plate is electrically connected to the box body through a first grounding piece.

[0032] A second shielding plate and a second insulating pad are arranged between the second drive board and the second IGBT module, a second safety capacitor is arranged on the second drive board, the second drive board is electrically connected to the second capacitor and the second IGBT module through a second drive board copper bar, and the second shielding plate is electrically connected to the box body through a second grounding piece.

[0033] Optionally, a second magnetic ring is arranged in the first three-phase module, and a third magnetic ring is arranged in the second three-phase module.

[0034] Optionally, the first three-phase module comprises a first output copper bar, the second three-phase module comprises a second output copper bar, and the lower cover of the box body is provided with a first output hole and a second output hole.

[0035] The first output copper bar and the second output copper bar respectively extend out of the lower cover of the box body through the first output hole and the second output hole.

[0036] Optionally, the first driving board is provided with a first temperature sensor, the second driving board is provided with a second temperature sensor, and the first partition board is provided with a water inlet pipe and a water outlet pipe.

[0037] The water outlet pipe is provided with a first temperature detection block, the first temperature sensor is in contact with the first temperature detection block, the water inlet pipe is provided with a second temperature detection block, and the second temperature sensor is in contact with the second temperature detection block.

[0038] Optionally, one side of the box body is provided with a water inlet nozzle, and the water inlet pipe penetrates through the box body and is connected with the water inlet nozzle.

[0039] The side of the box body away from the water inlet nozzle is provided with a water outlet nozzle, and the water outlet pipe penetrates through the box body and is connected with the water outlet nozzle.

[0040] Optionally, the control board is connected with the DCDC module through a DCDC control wire harness, the control board is connected with the first driving board and the second driving board through a first PWM wire harness and a second PWM wire harness respectively, the control board is connected with a rotary variable wire harness, and the other end of the rotary variable wire harness extends out of the lower cover of the box body.

[0041] The second aspect of the embodiment of the application provides a vehicle, which comprises a vehicle body and a double-motor controller provided on the vehicle body and described in the first aspect.

[0042] The double-motor controller and the vehicle provided with the same have the following advantages. First, the first partition board is arranged in the box body, the first partition board divides the internal space of the box body into an upper accommodation space and a lower accommodation space, the DCDC module is arranged in the middle of the upper accommodation space, the control board is arranged on one side of the DCDC module in the upper accommodation space, the fuse assembly is arranged on the side of the upper accommodation space away from the control board, the first driving assembly is arranged on one side of the lower accommodation space, the second driving assembly is arranged on the side of the lower accommodation space away from the first driving assembly, the second partition board is arranged between the DCDC module and the control board, the first partition board separates the control board from the first driving assembly and the second driving assembly, and the second partition board separates the DCDC module from the control board, so that the electromagnetic compatibility of the entire double-motor controller can be improved.

[0043] Second, not only the first driving assembly and the second driving assembly are integrated in the box body, but also the DCDC module, the control board, the fuse assembly, the first capacitor and the second capacitor are integrated in the box body, so that the integration degree is higher, and the space occupation of the driving motor system can be reduced.

[0044] In a third aspect, the box is internally provided with a first partition plate, the first partition plate divides the internal space of the box into an upper accommodation space and a lower accommodation space, the DCDC module is arranged in the middle of the upper accommodation space, the control panel is arranged on one side of the DCDC module in the upper accommodation space, the fuse assembly is arranged on the side of the upper accommodation space away from the control panel, the first drive assembly is arranged on one side of the lower accommodation space, the second drive assembly is arranged on the side of the first drive assembly in the lower accommodation space, the first capacitor is arranged on the side of the first drive assembly in the lower accommodation space, and the second capacitor is arranged on the side of the second drive assembly in the lower accommodation space. Through more reasonable space layout, the structure of each component in the box is more compact, so that the volume of the box is minimized to reduce the space occupation of the drive motor system. BRIEF DESCRIPTION OF DRAWINGS

[0045] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the description of the embodiments of the present application. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without creative labor.

[0046] Figure 1 is a schematic diagram of the internal structure of a double-motor controller according to an embodiment of the present application;

[0047] Figure 2 is a schematic diagram of the first partition plate and its peripheral connecting pieces of a double-motor controller according to an embodiment of the present application;

[0048] Figure 3 is an exploded view of one side of the lower accommodation space of a double-motor controller according to an embodiment of the present application;

[0049] Figure 4 is a schematic diagram of the DC filter of a double-motor controller according to an embodiment of the present application;

[0050] Figure 5 is an exploded view of one side of the upper accommodation space of a double-motor controller according to an embodiment of the present application;

[0051] Figure 6 is a schematic diagram of the fuse assembly of a double-motor controller according to an embodiment of the present application;

[0052] Figure 7 is an exploded view of the first drive assembly of a double-motor controller according to an embodiment of the present application;

[0053] Figure 8 is an exploded view of the second drive assembly of a double-motor controller according to an embodiment of the present application.

[0054] Explanation of reference signs:

[0055] 1 - box, 10 - DC high-voltage connector, 11 - CMP high-voltage connector, 12 - PTC high-voltage connector, 13 - water outlet nozzle, 14 - DCDC connector, 15 - water inlet nozzle, 2 - first partition plate, 3 - upper accommodation space, 4 - lower accommodation space, 5 - control board, 6 - DCDC module, 7 - fuse assembly, 8 - first drive assembly, 9 - second drive assembly, 21 - second heat dissipation hole, 22 - first heat dissipation hole 22, 23 - water outlet pipe, 231 - first temperature detection block, 26 - air vent valve, 27 - second capacitor, 28 - first capacitor, 29 - DC filter, 291 - third safety capacitor, 292 - support frame, 2921 - vertical plate, 2922 - horizontal plate, 293 - first magnetic ring, 200 - fuse cover plate, 51 - rotary transformer wire harness, 52 - DCDC control wire harness, 54 - interlock wire harness, 71 - DC high-voltage input wire harness, 72 - cover opening detection connector, 73 - fuse, 74 - fuse module, 75 - fuse box, 81 - first IGBT module, 82 - first drive board, 83 - first three-phase module, 831 - second magnetic ring, 832 - first output copper bar, 84 - first shielding plate, 85 - first insulating pad, 86 - first sealing ring, 87 - first PWM wire harness, 88 - first temperature sensor, 91 - second IGBT module, 92 - second drive board, 93 - second three-phase module, 931 - third magnetic ring, 932 - second output copper bar, 94 - second shielding plate, 95 - second insulating pad, 97 - second PWM wire harness. DETAILED DESCRIPTION

[0056] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of the present application.

[0057] In the related art, although two control modules are integrated in one box, the electromagnetic compatibility is poor, which greatly affects the control signal.

[0058] In view of this, this application proposes a dual-motor controller. A first partition plate is provided inside the housing, dividing the internal space of the housing into an upper accommodating space and a lower accommodating space. A DC-DC module is located in the middle of the upper accommodating space, a control board is located to one side of the DC-DC module in the upper accommodating space, a fuse assembly is located on the side of the upper accommodating space away from the control board, a first drive assembly is located on one side of the lower accommodating space, and a second drive assembly is located to one side of the first drive assembly in the lower accommodating space. A second partition plate is provided between the DC-DC module and the control board. The first partition plate separates the control board from the first and second drive assemblies, and the second partition plate separates the DC-DC module from the control board, thereby improving the electromagnetic compatibility of the entire dual-motor controller.

[0059] refer to Figure 1 , Figure 1 This is a schematic diagram of the internal structure of a dual-motor controller according to an embodiment of this application, as shown below. Figure 1 As shown, the dual-motor controller includes: a housing 1, with a first partition 2 inside the housing 1 dividing the internal space of the housing 1 into an upper receiving space 3 and a lower receiving space 4, the upper receiving space 3 and the lower receiving space 4 being sealed by the upper cover and the lower cover of the housing 1, respectively; a DC-DC module 6, the DC-DC module 6 being disposed in the middle of the upper receiving space 3; a control board 5, the control board 5 being disposed on one side of the DC-DC module 6 in the upper receiving space 3, with a second partition between the DC-DC module 6 and the control board 5; and a fuse assembly 7, the fuse... The device assembly 7 is disposed on the side of the upper receiving space 3 away from the control board 5; the first drive assembly 8 is disposed on the side of the lower receiving space 4; the second drive assembly 9 is disposed on the side of the first drive assembly 8 in the lower receiving space 4; the first capacitor 28 is disposed on the side of the first drive assembly 8 in the lower receiving space 4, and the first drive assembly 8 is electrically connected to the first capacitor 28; the second capacitor 27 is disposed on the side of the second drive assembly 9 in the lower receiving space 4, and the second drive assembly 9 is electrically connected to the second capacitor 27.

[0060] In the embodiment, the internal space of the box 1 is divided into the upper accommodating space 3 and the lower accommodating space 4 by the first partition plate 2, the space in the box 1 can be better utilized, the upper accommodating space 3 and the lower accommodating space 4 are respectively sealed by the upper cover of the box 1 and the lower cover of the box 1 to play a waterproof role, the fuse assembly 7 and the DCDC module 6 are integrated in the box 1, the integration degree of the drive motor system can be higher to reduce the volume occupation of the drive motor system, the first drive assembly 8 is arranged on one side of the lower accommodating space 4, the second drive assembly 9 is arranged on one side of the first drive assembly 8 of the lower accommodating space 4, so that the first drive assembly 8 and the second drive assembly 9 are arranged side by side in the lower accommodating space 4, the DCDC module 6, the control panel 5 and the fuse assembly 7 are arranged side by side in the upper accommodating space 3, the space in the box 1 can be reasonably utilized, the structure in the box 1 is more compact, so that the volume of the box 1 is as small as possible to reduce the space occupation of the dual-motor controller and the space occupation of the drive motor system, and the first partition plate 2 separates the control panel 5 from the first drive assembly 8 and the second drive assembly 9, the electromagnetic compatibility of the entire dual-motor controller can be improved, and the second partition plate is further arranged between the control panel 5 and the DCDC module 6 to separate the control panel 5 and the DCDC module 6, so that the electromagnetic compatibility is improved, in order to better connect the first capacitor 28 with the first drive assembly 8 and better connect the second capacitor 27 with the second drive assembly 9, the first capacitor 28 and the second capacitor 27 are arranged in the lower accommodating space 4 in which the first drive assembly 8 and the second drive assembly 9 are arranged to reduce the use of connecting materials.

[0061] Based on the above-mentioned dual-motor controller, the application provides the following some specific examples of embodiments, which can be combined arbitrarily between each other without mutual contradiction to form a new dual-motor controller. It should be understood that, for the new dual-motor controller formed by the combination of any example, it should fall within the protection scope of the application.

[0062] Please refer to Figure 2 , Figure 2 is a structural schematic view of the first partition plate 2 and the peripheral connecting piece of the dual-motor controller according to an embodiment of the application, as Figure 2 shown, in a feasible embodiment, the first partition plate 2 is internally provided with a heat dissipation water channel, the first partition plate 2 is provided with a first heat dissipation hole 22 and a second heat dissipation hole 21, the first drive assembly 8 and the second drive assembly 9 respectively extend into the heat dissipation water channel through the first heat dissipation hole 22 and the second heat dissipation hole 21, and a layer of heat-conducting glue is respectively arranged on the contact surface of the first partition plate 2 and the DCDC module 6 and the control panel 5, and the heat-conducting glue contacts the DCDC module 6, the control panel 5 and the first partition plate 2.

[0063] In the embodiment, the first partition plate 2 is internally provided with a heat dissipation water channel to dissipate heat from the DCDC module 6, the control board 5, the fuse assembly 7, the first driving assembly 8 and the second driving assembly 9 in the box 1 by water cooling. Specifically, the first partition plate 2 is provided with a first heat dissipation hole 22 and a second heat dissipation hole 21, and the first driving assembly 8 and the second driving assembly 9 are respectively extended into the heat dissipation water channel through the first heat dissipation hole 22 and the second heat dissipation hole 21 after being encapsulated, so as to obtain a better heat dissipation effect. For the heat dissipation of the DCDC module 6 and the control board 5, a layer of heat-conducting glue can be respectively arranged on the contact surfaces of the DCDC module 6 and the control board 5 on the first partition plate 2, and the heat-conducting glue is in contact with the DCDC module 6, the control board 5 and the first partition plate 2, so as to improve the heat dissipation effect of the DCDC module 6 and the control board 5. The heat dissipation water channel arranged in the first partition plate 2 can simultaneously dissipate heat from the components in the upper accommodation space 3 and the lower accommodation space 4 on both sides of the first partition plate 2, so as to achieve a better heat dissipation effect.

[0064] Please refer to Figure 3 , Figure 3 is an exploded view of one side of the lower accommodation space 4 of the dual-motor controller according to an embodiment of the present application, as shown in Figure 3 In a possible implementation, the dual-motor controller further comprises a direct-current filter 29, the direct-current filter 29 is arranged on the side of the lower accommodation space 4 away from the first driving assembly 8 and the second driving assembly 9, and the direct-current filter 29 is electrically connected with the first capacitor 28 and the second capacitor 27 respectively.

[0065] In the embodiment, the direct-current filter 29 is arranged on the side of the lower accommodation space 4 away from the first driving assembly 8 and the second driving assembly 9, and the direct-current filter 29 is electrically connected with the first capacitor 28 and the second capacitor 27 respectively, so as to reduce the use of connection materials between the direct-current filter 29 and the first capacitor 28 and the second capacitor 27, and reasonably utilize the lower accommodation space 4, so that the structures of the components in the lower accommodation space 4 are more compact, thereby reducing the space occupation of the entire dual-motor controller.

[0066] Please refer to Figure 4 , Figure 4 is a perspective structural schematic view of the direct-current filter 29 of the dual-motor controller according to an embodiment of the present application, as shown in Figure 4As shown in a possible implementation, the DC filter 29 includes a support frame 292, a third safety capacitor 291 and a first magnetic ring 293; the support frame 292 is connected to the inner wall of the box body 1, the support frame 292 includes a horizontal plate 2922 and a vertical plate 2921, the safety capacitor 291 is arranged on the vertical plate 2921, the first magnetic ring 293 is arranged on the horizontal plate 2922, the horizontal plate 2922 is fixed on the top of the first capacitor 28, and the vertical plate 2921 is provided with a third grounding part, and the third grounding part is electrically connected to the box body 1.

[0067] In the embodiment, the safety capacitor 291 and the first magnetic ring 293 are integrated on the support frame 292, so that the overall installation can be facilitated and the assembly efficiency is improved. Specifically, the support frame 292 includes the horizontal plate 2922 and the vertical plate 2921, the third safety capacitor 291 is arranged on the vertical plate 2921, and the first magnetic ring 293 is arranged on the horizontal plate 2922, so that the electromagnetic compatibility can be enhanced. The horizontal plate 2922 is provided with a plurality of fixing points, and is fixed on the top of the first capacitor 28 by screws. The vertical plate 2921 is provided with the third grounding part, so that the third safety capacitor 291 can be electrically connected to the box body 1, thereby achieving better filtering effect.

[0068] Please refer to Figure 5 , Figure 5 is an exploded view of one side of the upper accommodation space 3 of the dual-motor controller according to an embodiment of the present application, as shown in Figure 5 As shown in a possible implementation, the outer side surface of the box body 1 near the fuse assembly 7 is provided with a DC high-voltage connector 10, and the DC high-voltage connector 10 is electrically connected to the DCDC module 6, the fuse assembly 7 and the DC filter 29 through a DC high-voltage input wire harness 71.

[0069] In the embodiment, the outer side surface of the box body 1 near the fuse assembly 7 is provided with the DC high-voltage connector 10, and the DC high-voltage connector 10 is used for inputting DC high-voltage electricity and transmitting the DC high-voltage electricity to the DCDC module 6, the fuse assembly 7 and the DC filter 29 through the DC high-voltage input wire harness 71. Specifically, the DC high-voltage input wire harness 71 can be pressed and connected to the copper bars of the DCDC module 6, the fuse assembly 7 and the DC filter 29 by screws, so as to realize electrical connection.

[0070] Please refer to Figure 6 , Figure 6 is a perspective structural schematic view of the fuse assembly 7 of the dual-motor controller according to an embodiment of the present application, as shown in Figure 6As shown, in an embodiment, the fuse assembly 7 comprises a fuse module 74, a fuse device and a first current output harness; the fuse device comprises a fuse box 75 and a fuse wire 73, the fuse box 75 and the fuse module 74 are integrally formed, and the fuse wire 73 is arranged in the fuse box 75 to electrically connect the fuse module 74 and the first current output harness.

[0071] In the embodiment, the fuse assembly 7 comprises a fuse module 74, a fuse device and a first current output harness, wherein the fuse device comprises a fuse box 75 and a fuse wire 73, the fuse box 75 and the fuse module 74 are integrally formed, the fuse wire 73 is arranged in the fuse box 75 to electrically connect the fuse module 74 and the first current output harness, and if there is an abnormal current, the fuse wire 73 is fused to disconnect the fuse module 74 and the first current output harness, so that the current is not output from the first current output harness, thereby achieving the function of the fuse.

[0072] Please refer to Figure 5 In an embodiment, the box 1 is provided with a CMP high-voltage connector, a PTC high-voltage connector and a DCDC connector 14 on the outer side near the side of the fuse assembly 7; the CMP high-voltage connector and the PTC high-voltage connector are electrically connected to the fuse module 74 through the first current output harness, and the DCDC connector 14 is electrically connected to the DCDC module 6.

[0073] In the embodiment, the CMP high-voltage connector, the PTC high-voltage connector and the DCDC connector 14 are provided, the direct-current high-voltage power input through the DC high-voltage connector 10 is converted into direct-current low-voltage power by the DCDC module 6 and output through the DCDC connector 14, and the direct-current high-voltage power input through the DC high-voltage connector 10 is connected through the fuse assembly 7 and then output through the CMP high-voltage connector and the PTC high-voltage connector, thereby ensuring the safety of power consumption.

[0074] Please refer to Figure 5 and Figure 6 In an embodiment, the box 1 is provided with a CMP high-voltage connector, a PTC high-voltage connector and a DCDC connector 14 on the outer side near the side of the fuse assembly 7; the CMP high-voltage connector and the PTC high-voltage connector are electrically connected to the fuse module 74 through the first current output harness, and the DCDC connector 14 is electrically connected to the DCDC module 6.

[0075] In the embodiment, the uncovering detection connector 72 is arranged in the fuse box 75, a detection hole is arranged on the upper cover of the box body 1, the fuse cover plate 200 can seal the detection hole, so that the sealing of the box body 1 is realized, when detection is needed, the fuse cover plate 200 is removed again, and the detection or replacement of the internal fuse safety device is carried out, in order to ensure safety, the uncovering detection connector 72 is connected with the interlocking wire harness 54, the control panel 5 is connected with the PTC high-voltage connector, the DC high-voltage connector 10 and the uncovering detection connector 72 through the interlocking wire harness 54, and the fuse cover plate 200 is provided with a guide block, the uncovering detection connector 72 is provided with a first connecting end and a second connecting end, when the fuse cover plate 200 cooperates with the detection hole, the guide block electrically connects the first connecting end and the second connecting end, when uncovering detection is carried out, the guide block is disconnected with the first connecting end and the second connecting end, so that the PTC high-voltage connector and the DC high-voltage connector 10 are disconnected through the control panel 5, so as to avoid that the detection personnel is damaged by high-voltage current.

[0076] Please refer to Figure 7 and Figure 8 , Figure 7 is an exploded view of a first drive assembly 8 of a dual-motor controller according to an embodiment of the present application, Figure 8 is an exploded view of a second drive assembly 9 of a dual-motor controller according to an embodiment of the present application, as shown in Figure 7 and Figure 8 In an embodiment, the first drive assembly 8 includes a first three-phase module 83, a first drive board 82 and a first IGBT module 81, and the second drive assembly 9 includes a second three-phase module 93, a second drive board 92 and a second IGBT module 91.

[0077] In the embodiment, the first drive assembly 8 and the second drive assembly 9 can be a drive motor controller and a power generation motor controller respectively, wherein the first drive assembly 8 includes a first three-phase module 83, a first drive board 82 and a first IGBT module 81, and the second drive assembly 9 includes a second three-phase module 93, a second drive board 92 and a second IGBT module 91. The direct-current high-voltage electricity enters the first drive assembly 8 through the direct-current filter 29 and the first capacitor 28, passes through the first IGBT module 81, the first drive board 82 and the first three-phase module 83, and is finally output through the first three-phase module 83. The direct-current high-voltage electricity enters the second drive assembly 9 through the direct-current filter 29 and the second capacitor 27, passes through the second IGBT module 91, the second drive board 92 and the second three-phase module 93, and is finally output through the second three-phase module 93.

[0078] In an embodiment, the first shielding plate 84 and the first insulating pad 85 are arranged between the first drive plate 82 and the first IGBT module 81, the first drive plate 82 is provided with the first safety capacitor, the first drive plate 82 is electrically connected to the first capacitor 28 and the first IGBT module 81 through the first drive plate copper bar, and the first shielding plate 84 is electrically connected to the cabinet 1 through the first grounding piece. The second shielding plate 94 and the second insulating pad 95 are arranged between the second drive plate 92 and the second IGBT module 91, the second drive plate 92 is provided with the second safety capacitor, the second drive plate 92 is electrically connected to the second capacitor 27 and the second IGBT module 91 through the second drive plate copper bar, and the second shielding plate 94 is electrically connected to the cabinet 1 through the second grounding piece.

[0079] In the embodiment, the first shielding plate 84 and the first insulating pad 85 are arranged between the first drive plate 82 and the first IGBT module 81, the first drive plate 82 is provided with the first safety capacitor, the first drive plate 82 is electrically connected to the first capacitor 28 and the first IGBT module 81 through the first drive plate copper bar, the first shielding plate 84 is electrically connected to the cabinet 1 through the first grounding piece, the second shielding plate 94 and the second insulating pad 95 are arranged between the second drive plate 92 and the second IGBT module 91, the second drive plate 92 is provided with the second safety capacitor, the second drive plate 92 is electrically connected to the second capacitor 27 and the second IGBT module 91 through the second drive plate copper bar, and the second shielding plate 94 is electrically connected to the cabinet 1 through the second grounding piece, so as to improve the electromagnetic compatibility of the first drive assembly 8 and the second drive assembly 9.

[0080] In an embodiment, the second magnetic ring 831 is arranged in the first three-phase module 83, and the third magnetic ring 931 is arranged in the second three-phase module 93.

[0081] The arrangement of the second magnetic ring 831 and the third magnetic ring 931 can further improve the electromagnetic compatibility of the first drive assembly 8 and the second drive assembly 9. By arranging the first safety capacitor, the first shielding plate 84 and the second magnetic ring 831 in the first drive assembly 8, and arranging the second safety capacitor, the second shielding plate 94 and the third magnetic ring 931 in the second drive assembly 9, the electromagnetic compatibility of the first drive assembly 8 and the second drive assembly 9 is improved, so as to solve the electromagnetic interference of the first drive assembly 8 and the second drive assembly 9.

[0082] Please refer to Figure 5 , Figure 7 and Figure 8In an available embodiment, the first three-phase module 83 comprises a first output copper bar 832, the second three-phase module 93 comprises a second output copper bar 932, and the lower cover of the box 1 is provided with a first output hole and a second output hole; the first output copper bar 832 and the second output copper bar 932 respectively extend out of the lower cover of the box 1 through the first output hole and the second output hole.

[0083] In the embodiment, the first output copper bar 832 of the first three-phase module 83 extends out of the box 1 through the first output hole provided on the lower cover of the box 1 so as to be connected with the driving motor, and the second output copper bar 932 of the second three-phase module 93 extends out of the box 1 through the second output hole provided on the lower cover of the box 1 so as to be connected with the power generation motor, wherein the first driving assembly 8 can also be a power generation motor controller, and the second driving assembly 9 can also be a driving motor controller, then the first output copper bar 832 is connected with the power generation motor, and the second output copper bar 932 is connected with the driving motor.

[0084] Please refer to Figure 2 、 Figure 7 and Figure 8 In an available embodiment, the first driving board 82 is provided with a first temperature sensor 88, and the first partition board 2 is provided with an inlet water pipe and an outlet water pipe 23; the outlet water pipe 23 is provided with a first temperature detection block 231, and the first temperature sensor 88 is in contact with the first temperature detection block 231.

[0085] In the embodiment, one end of the first IGBT module 81 of the first driving assembly 8 extends into the heat dissipation water channel, the first driving board 82 is larger than the first heat dissipation hole 22, and the first IGBT module 81 and the first sealing ring 86 seal the first heat dissipation hole 22; one end of the second IGBT module 91 of the second driving assembly 9 extends into the heat dissipation water channel, the second driving board 92 is larger than the second heat dissipation hole 21, and the second IGBT module 91 and the second sealing ring seal the second heat dissipation hole 21.

[0086] The first driving plate 82 is provided with a first temperature sensor 88, the second driving plate 92 is provided with a second temperature sensor, the first partition plate 2 is provided with a water inlet pipe and a water outlet pipe 23, the water inlet pipe and the water outlet pipe 23 are communicated with the heat dissipation water channel, and are used for input and output of the heat dissipation water, the water outlet pipe 23 is provided with a first temperature detection block 231, the first temperature sensor 88 is in contact with the first temperature detection block 231, the water inlet pipe is provided with a second temperature detection block, and the second temperature sensor is in contact with the second temperature detection block, so that the water inlet temperature and the water outlet temperature can be quickly detected, the water amount of the heat dissipation water can be timely adjusted, a better heat dissipation effect is achieved, and in order to obtain a better detection effect, heat-conducting glue can be coated on the contact position of the first temperature detection block 231 and the first temperature sensor 88 and the contact position of the second temperature detection block and the second temperature sensor.

[0087] Please refer to Figure 5 、 Figure 7 and Figure 8 In a possible implementation, one side of the box body 1 is provided with a water inlet nozzle 15, the water inlet pipe penetrates through the box body 1 and is connected with the water inlet nozzle 15; the side of the box body 1 away from the water inlet nozzle 15 is provided with a water outlet nozzle 13, and the water outlet pipe 23 penetrates through the box body 1 and is connected with the water outlet nozzle 13.

[0088] In the embodiment, the water inlet nozzle 15 is connected with the water inlet pipe and is used for input of the heat dissipation water, the water outlet nozzle 13 is connected with the water outlet pipe 23 and is used for output of the heat dissipation water, and the water inlet nozzle 15 and the water outlet nozzle 13 are arranged on different sides of the box body 1, so that the heat dissipation water can timely take out heat.

[0089] Please refer to Figure 5 In a possible implementation, the control panel 5 is connected with the DCDC module 6 through a DCDC control wire harness, the control panel 5 is connected with the first driving plate 82 and the second driving plate 92 through a first PWM wire harness 87 and a second PWM wire harness 97 respectively, so that the control panel 5 can control the DCDC module 6, the first driving plate 82 and the second driving plate 92, the control panel 5 is connected with the rotary variable wire harness 51, and the other end of the rotary variable wire harness 51 extends out of the lower cover of the box body 1, so that the control panel 5 can be connected with the driving motor or the power generation motor through the rotary variable wire harness 51.

[0090] In a possible implementation, the lower cover of the box body 1 is provided with a ventilation valve 26, so that the box body 1 can ventilate and the hot air in the box body 1 can be discharged.

[0091] Based on the same inventive concept, an embodiment of the present application provides a vehicle, comprising a vehicle body and a double-motor controller as in the above embodiments arranged on the vehicle body.

[0092] The vehicle with the above double-motor controller, in the first aspect, a first partition plate 2 is arranged inside the box, the first partition plate 2 divides the internal space of the box into an upper accommodating space 3 and a lower accommodating space 4, the DCDC module 6 is arranged in the middle of the upper accommodating space 3, the control board 5 is arranged on one side of the DCDC module 6 in the upper accommodating space 3, the fuse assembly 7 is arranged on the side of the upper accommodating space 3 away from the control board 5, the first drive assembly 8 is arranged on one side of the lower accommodating space 4, the second drive assembly 9 is arranged on one side of the first drive assembly 8 in the lower accommodating space 4, a second partition plate is arranged between the DCDC module 6 and the control board 5, the first partition plate 2 separates the control board 5 from the first drive assembly 8 and the second drive assembly 9, and the second partition plate separates the DCDC module 6 and the control board 5, so that the electromagnetic compatibility of the entire double-motor controller can be improved.

[0093] In the second aspect, not only the first drive assembly 8 and the second drive assembly 9 are integrated in the box 1, but also the DCDC module 6, the control board 5, the fuse assembly 7, the first capacitor 28 and the second capacitor 27 are integrated in the box 1, so that the integration degree is higher, and the space occupation of the drive motor system can be reduced.

[0094] In the third aspect, a first partition plate 2 is arranged inside the box 1, the first partition plate 2 divides the internal space of the box 1 into an upper accommodating space 3 and a lower accommodating space 4, the DCDC module 6 is arranged in the middle of the upper accommodating space 3, the control board 5 is arranged on one side of the DCDC module 6 in the upper accommodating space 3, the fuse assembly 7 is arranged on the side of the upper accommodating space 3 away from the control board 5, the first drive assembly 8 is arranged on one side of the lower accommodating space 4, the second drive assembly 9 is arranged on one side of the first drive assembly 8 in the lower accommodating space 4, the first capacitor 28 is arranged on the side of the first drive assembly 8 in the lower accommodating space 4, and the second capacitor 27 is arranged on the side of the second drive assembly 9 in the lower accommodating space 4, so that the structure of each component in the box 1 is more compact through a more reasonable space layout, so that the volume of the box 1 is minimized to reduce the space occupation of the drive motor system.

[0095] It should be understood that, although the preferred embodiments of the present application have been described in the specification, those skilled in the art can make additional changes and modifications to the embodiments once they know the basic inventive concept. Therefore, the appended claims are intended to be interpreted as including all changes and modifications falling within the scope of the embodiments of the present application.

[0096] Finally, it is to be understood that the phraseology or terminology such as "first" and "second" etc. used herein is merely intended to differentiate one entity or operation from another entity or operation, without necessarily requiring or implying any actual such relationship or order between such entities or operations. Moreover, the terms "comprises", "comprising", or any other variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus. An element proceeded by "comprises... a" does not, without more constraints, exclude the existence of additional identical elements in the process, method, article, or apparatus that comprises the element.

[0097] The above provides a kind of dual-motor controller and vehicle with it provided by the present application, detailed introduction is carried out, the principle and implementation mode of the present application are described in this paper by applying specific example, the above example is only for helping to understand the method of the present application and its core idea;For the general technical personnel in the art, according to the idea of the present application, there will be changes in specific implementation mode and application range, as described above, the content of the specification should not be understood as the limitation of the present application.

Claims

1. A dual-motor controller, characterized in that, include: The box (1) has a first partition plate (2) inside. The first partition plate (2) divides the internal space of the box (1) into an upper accommodating space (3) and a lower accommodating space (4). The upper accommodating space (3) and the lower accommodating space (4) are sealed by the upper cover and the lower cover of the box (1), respectively. The DC-DC module (6) is disposed in the middle of the upper accommodating space (3); A control board (5) is disposed on one side of the DC-DC module (6) in the upper accommodating space (3), and a second partition is disposed between the DC-DC module (6) and the control board (5); A fuse assembly (7) is disposed on the side of the upper receiving space (3) away from the control board (5), and the fuse assembly (7) includes: a fuse module (74), a fuse device and a first current output harness; The first drive assembly (8) is disposed on one side of the lower accommodating space (4); The second drive assembly (9) is disposed on one side of the first drive assembly (8) in the lower receiving space (4); A first capacitor (28) is disposed on the side of a first drive assembly (8) in the lower receiving space (4), and the first drive assembly (8) is electrically connected to the first capacitor (28). The second capacitor (27) is disposed on the side of the second drive assembly (9) in the lower receiving space (4), and the second drive assembly (9) is electrically connected to the second capacitor (27). A DC high-voltage connector (10) is provided on the outer side of the housing (1) near the fuse assembly (7). The DC high-voltage connector (10) is electrically connected to both the DC-DC module (6) and the fuse assembly (7) through a DC high-voltage input harness (71). On the outer side of the housing (1) near the fuse assembly (7), a CMP high-voltage connector (11), a PTC high-voltage connector (12), and a DC-DC connector (14) are also provided. The CMP high-voltage connector (11) and the PTC high-voltage connector (12) are electrically connected to the fuse module (74) through the first current output harness, and the DC-DC connector (14) is electrically connected to the DC-DC module (6). The first drive assembly (8) includes: a first three-phase module (83), a first drive board (82) and a first IGBT module (81); the second drive assembly (9) includes: a second three-phase module (93), a second drive board (92) and a second IGBT module (91). The first drive board (82) is connected to the upper end of the first IGBT module (81), the first three-phase module (83) is connected to the upper end of the first drive board (82), the second drive board (92) is connected to the upper end of the second IGBT module (91), and the second three-phase module (93) is connected to the upper end of the second drive board (92); A first shielding plate (84) and a first insulating pad (85) are provided between the first driving board (82) and the first IGBT module (81). A first safety capacitor is provided on the first driving board (82). The first driving board (82) is electrically connected to the first capacitor (28) and the first IGBT module (81) through the first driving board copper busbar. The first shielding plate (84) is electrically connected to the housing (1) through the first grounding component. The first insulating pad (85) is provided between the first driving board (82) and the first shielding plate (84). A second shielding plate (94) and a second insulating pad (95) are provided between the second drive board (92) and the second IGBT module (91). A second safety capacitor is provided on the second drive board (92). The second drive board (92) is electrically connected to the second capacitor (27) and the second IGBT module (91) through the second drive board copper busbar. The second shielding plate (94) is electrically connected to the housing (1) through the second grounding component. The second insulating pad (95) is provided between the second drive board (92) and the second shielding plate (94). The first three-phase module (83) is provided with a second magnetic ring (831), and the second three-phase module (93) is provided with a third magnetic ring (931).

2. The dual-motor controller according to claim 1, characterized in that, It also includes a DC filter (29); The DC filter (29) is disposed on the side of the lower accommodating space (4) away from the first drive assembly (8) and the second drive assembly (9). The DC filter (29) is electrically connected to the first capacitor (28) and the second capacitor (27) respectively. The DC filter (29) is electrically connected to the DC high voltage connector (10) through the DC high voltage input harness (71).

3. The dual-motor controller according to claim 2, characterized in that, The DC filter (29) includes: a support frame (292), a third safety capacitor (291), and a first magnetic ring (293); The support frame (292) includes a horizontal plate (2922) and a vertical plate (2921). The safety capacitor (291) is disposed on the vertical plate (2921). The first magnetic ring (293) is disposed on the horizontal plate (2922). The horizontal plate (2922) is fixed to the top of the first capacitor. A third grounding component is disposed on the vertical plate (2921). The third grounding component is electrically connected to the housing (1).

4. The dual-motor controller according to claim 1, characterized in that, The fuse assembly (7) includes: a fuse module (74), a fuse device, and a first current output harness; The safety device includes a fuse box (75) and a fuse (73). The fuse box (75) and the fuse module (74) are integrally formed. The fuse (73) is disposed in the fuse box (75) and electrically connects the fuse module (74) and the first current output harness.

5. The dual-motor controller according to claim 4, characterized in that, Also includes: Opening detection device; The cover opening detection device includes a cover opening detection connector (72) and a fuse cover plate (200), and the cover opening detection connector (72) is disposed inside the fuse box (75); The upper cover of the housing (1) is provided with a detection hole, and the fuse cover plate (200) seals the detection hole; A guide block is provided on the fuse cover plate (200), and a first connection end and a second connection end are provided on the cover opening detection connector (72). When the fuse cover plate (200) and the detection hole are engaged, the guide block electrically connects the first connection end and the second connection end.

6. The dual-motor controller according to claim 1, characterized in that, The first partition plate (2) is provided with a heat dissipation channel inside, and the first partition plate (2) is provided with a first heat dissipation hole (22) and a second heat dissipation hole (21); The first drive assembly (8) and the second drive assembly (9) extend into the cooling channel through the first heat dissipation hole (22) and the second heat dissipation hole (21), respectively; A layer of thermally conductive adhesive is provided on the contact surface of the first partition plate (2) with the DC-DC module (6) and the control board (5), and the thermally conductive adhesive is in contact with the DC-DC module (6), the control board (5) and the first partition plate (2).

7. The dual-motor controller according to claim 6, characterized in that, The first drive board (82) is provided with a first temperature sensor (88), the second drive board (92) is provided with a second temperature sensor, and the first partition plate (2) is provided with an inlet pipe and an outlet pipe (23). The water outlet pipe (23) is provided with a first temperature detection block (231), and the first temperature sensor (88) abuts against the first temperature detection block (231). The water inlet pipe is provided with a second temperature detection block, and the second temperature sensor abuts against the second temperature detection block.

8. A vehicle, characterized in that, It includes a vehicle body and a dual-motor controller as described in any one of claims 1 to 7, which is mounted on the vehicle body.

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