CN114094907A

CN114094907A - Dual-motor controller and vehicle with same

Info

Publication number: CN114094907A
Application number: CN202010747539.9A
Authority: CN
Inventors: 吉拉姆·卢克; 姜佳佳; 温超; 河内·路易索尔; 刘屺瞻; 朱小强; 陈磊; 张骏飞
Original assignee: Baoding R&D Branch of Honeycomb Transmission System Jiangsu Co Ltd; Honeycomb Drive System Jiangsu Co Ltd
Current assignee: Baoding R&D Branch of Honeycomb Transmission System Jiangsu Co Ltd; Honeycomb Drive System Jiangsu Co Ltd
Priority date: 2020-07-29
Filing date: 2020-07-29
Publication date: 2022-02-25

Abstract

The embodiment of the application relates to a bi-motor controller and have its vehicle relates to vehicle technical field, bi-motor controller includes: the box body is internally provided with a first partition plate which divides the internal space of the box body into an upper accommodating space and a lower accommodating space; a DCDC module disposed in the middle of the upper receiving space; a control panel disposed at one side of the DCDC module of the upper receiving space; the fuse assembly is arranged on one side of the upper accommodating space, which is far away from the control board; the first driving assembly is arranged on one side of the lower accommodating space; and the second driving assembly is arranged on one side of the first driving assembly in the lower accommodating space. The control panel is separated from the first drive assembly and the second drive assembly by the first separation plate, and the DCDC module is separated from the control panel by the second separation plate, so that the electromagnetic compatibility of the whole dual-motor controller can be improved.

Description

Dual-motor controller and vehicle with same

Technical Field

The application relates to the technical field of vehicles, in particular to a double-motor controller and a vehicle with the same.

Background

In recent years, the whole new energy automobile industry has a vigorous development situation under the support of a policy of vigorously advocating the development of new energy automobiles in China. The driving motor system as the power output unit of the whole vehicle determines the power performance of the electric vehicle, so it is called as the heart of the new energy vehicle, and its importance is clearly evident. Along with the further compression of the available space of the whole vehicle, the structural layout of the motor controller is reasonably planned, and the optimization of the layout of the controller in a small space becomes a great problem in front of a controller structural engineer.

In the related art, although two control modules are integrated in one box, the electromagnetic compatibility of the two control modules is poor, and the control signals are greatly influenced.

Disclosure of Invention

The embodiment of the application provides a double-motor controller and a vehicle with the same, and aims to improve the electromagnetic compatibility of the double-motor controller.

A first aspect of an embodiment of the present application provides a dual-motor controller, including:

the refrigerator comprises a box body, wherein a first partition plate is arranged in the box body, the first partition plate divides the inner space of the box body into an upper accommodating space and a lower accommodating space, and the upper accommodating space and the lower accommodating space are respectively sealed through an upper cover of the box body and a lower cover of the box body;

a DCDC module disposed at a middle portion of the upper receiving space, a second partition plate being disposed between the DCDC module and the control board;

a control board disposed at one side of the DCDC module of the upper receiving space;

the fuse assembly is arranged on one side of the upper accommodating space far away from the control board;

the first driving assembly is arranged on one side of the lower accommodating space;

a second driving assembly disposed at one side of the first driving assembly of the lower receiving space;

the first capacitor is arranged on the side surface of the first driving assembly of the lower accommodating space, and the first driving assembly is electrically connected with the first capacitor;

and the second capacitor is arranged on the side surface of a second driving assembly of the lower accommodating space, and the second driving assembly is electrically connected with the second capacitor.

Optionally, a heat dissipation water channel is arranged inside the first partition plate, and the first partition plate is provided with a first heat dissipation hole and a second heat dissipation hole;

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.

Optionally, a direct current filter is further included;

the direct current filter is arranged on one side, far away from the first driving assembly and the second driving assembly, of the lower accommodating space, and the direct current filter is electrically connected with the first capacitor and the second capacitor respectively.

Optionally, the dc filter includes: the support frame, the third safety capacitor and the first magnetic ring;

the support frame comprises a transverse plate and a vertical plate, the safety capacitor is arranged on the vertical plate, the first magnetic ring is arranged on the transverse plate, the transverse plate is fixed to the top of the first capacitor, a third grounding piece is arranged on the vertical plate, and the third grounding piece is electrically connected with the box body.

Optionally, a DC high voltage connector is arranged on an outer side surface of the box body close to one side of the fuse assembly, and the DC high voltage connector is electrically connected with the DCDC module, the fuse assembly and the direct current filter through a DC high voltage input harness.

Optionally, the fuse assembly comprises: a fuse module, a fuse device and a first current output harness;

fuse device includes fuse box and fuse, fuse box with fuse module integrated into one piece, the fuse sets up in the fuse box, will fuse module with first current output pencil electricity is connected.

Optionally, a CMP high-voltage connector, a PTC high-voltage connector and a DCDC connector are arranged on the outer side surface of the box body on the side close to the fuse assembly;

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

Optionally, the method further comprises: a cover opening detection device;

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;

a detection hole is formed in the upper cover of the box body, and the fuse cover plate seals the detection hole;

the cover plate of the fuse is provided with a guide connecting block, the cover opening detection connector is provided with a first connecting end and a second connecting end, and when the cover plate of the fuse is matched with the detection hole, the guide connecting block electrically connects the first connecting end and the second connecting end.

Optionally, the first drive assembly comprises: first three-phase module, first drive plate and first IGBT module, the second drive assembly includes: the second three-phase module, the second driving board and the second IGBT module;

the first driving 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 driving board, the second driving 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 driving board.

Optionally, a first shielding plate and a first insulating pad are arranged between the first driving plate and the first IGBT module, a first safety capacitor is arranged on the first driving plate, the first driving plate is electrically connected with the first capacitor and the first IGBT module through a first driving plate copper bar, and the first shielding plate is electrically connected with the box through a first grounding piece;

the second IGBT module is provided with a first IGBT module, a first shielding plate and a first insulating pad are arranged between the first driving plate and the first IGBT module, a first safety capacitor is arranged on the first driving plate, the first driving plate is electrically connected with the first capacitor and the first IGBT module through a first driving plate copper bar, and the first shielding plate is electrically connected with the box body through a first grounding piece.

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.

Optionally, the first three-phase module includes a first output copper bar, the second three-phase module includes a second output copper bar, and a lower cover of the box body is provided with a first output hole and a second output hole;

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

Optionally, a first temperature sensor is arranged on the first driving plate, a second temperature sensor is arranged on the second driving plate, and a water inlet pipe and a water outlet pipe are arranged on the first partition plate;

be provided with first temperature detection piece on the outlet pipe, first temperature sensor with first temperature detection piece is contradicted, be provided with the second temperature detection piece on the oral siphon, second temperature sensor with the second temperature detection piece is contradicted.

Optionally, a water inlet nozzle is arranged on one side of the box body, and the water inlet pipe penetrates through the box body and is connected with the water inlet nozzle;

and a water outlet nozzle is arranged on one side of the box body, which is far away from the water inlet nozzle, and the water outlet pipe penetrates through the box body and is connected with the water outlet nozzle.

Optionally, the control board is connected with the DCDC module through a DCDC control harness, the control board is respectively connected with the first drive board and the second drive board through a first PWM harness and a second PWM harness, the control board is connected with a rotary transformer harness, and the other end of the rotary transformer harness extends out of the lower cover of the box body.

A second aspect of the embodiments of the present application provides a vehicle including a vehicle main body and the dual-motor controller as described in the first aspect described above provided on the vehicle main body.

Adopt this application to provide a bi-motor controller and have its vehicle, the first aspect, the inside first division board that sets up of box, upper portion accommodation space and lower part accommodation space are cut apart into with the inner space of box to first division board, and the DCDC module sets up the middle part at upper portion accommodation space, and the control panel sets up the one side at upper portion accommodation space's DCDC module, and the fuse assembly sets up keeping away from in upper portion accommodation space one side of control panel, first drive assembly set up in lower part accommodation space one side, and the second drive assembly sets up the one side at lower part accommodation space's first drive assembly, sets up the second division board between DCDC module and the control panel, and first division board separates the control panel with first drive assembly and second drive assembly, and the second division board separates DCDC module and control panel to can improve the electromagnetic compatibility of whole bi-motor controller.

In the second aspect, the first driving assembly and the second driving assembly are integrated in the box body, the DCDC module, the control panel, the fuse assembly, the first capacitor and the second capacitor are integrated in the box body, the integration level is higher, and therefore the space occupation of the driving motor system can be reduced.

In a third aspect, a first partition board is arranged in the box body, the first partition board divides the inner space of the box body into an upper accommodating space and a lower accommodating space, the DCDC module is arranged in the middle of the upper accommodating space, the control board is arranged on one side of the DCDC module in the upper accommodating space, the fuse assembly is arranged on one side of the upper accommodating space far away from the control board, the first driving assembly is arranged on one side of the lower accommodating space, the second driving assembly is arranged on one side of the first driving assembly in the lower accommodating space, the first capacitor is arranged on the side of the first driving assembly in the lower accommodating space, the second capacitor is arranged on the side of the second driving assembly in the lower accommodating space, through more reasonable spatial layout, the structure of each part in the box body is more compact, so that the volume of the box body is reduced as much as possible, and the space occupation of a driving motor system is reduced.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed to be used in the description of the embodiments of the present application will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive exercise.

Fig. 1 is a schematic diagram of an internal structure of a dual-motor controller according to an embodiment of the present application;

fig. 2 is a schematic structural diagram of a first partition plate and peripheral connecting members thereof of a dual-motor controller according to an embodiment of the present application;

fig. 3 is an exploded view of one side of a lower receiving space of a dual motor controller according to an embodiment of the present application;

fig. 4 is a schematic perspective view of a dc filter of a dual-motor controller according to an embodiment of the present application;

fig. 5 is an exploded view of one side of an upper receiving space of a dual motor controller according to an embodiment of the present application;

FIG. 6 is a schematic perspective view of a fuse assembly of a dual-motor controller according to an embodiment of the present disclosure;

FIG. 7 is an exploded view of a first drive assembly of a dual motor controller according to one embodiment of the present application;

fig. 8 is an exploded view of a second drive assembly of a dual motor controller according to an embodiment of the present application.

Description of reference numerals:

1-box body, 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 containing space, 4-lower containing space, 5-control panel, 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-vent valve, 27-second capacitor, 28-first capacitor, 29-DC filter, 291-third safety capacitor, 292-support frame, 2921-vertical plate, 2922-transverse plate, 293-first magnetic ring, 200-fuse cover plate, 51-rotary transformer wire harness, 52-DCDC control wire harness, 54-interlocking wire harness, 71-DC high-voltage input wire harness, 72-uncovering detection connector, 73-fuse, 74-fuse module, 75-fuse box, 81-first IGBT module, 82-first drive plate, 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 plate, 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 harness.

Detailed Description

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, and it is obvious that the described embodiments are some, but not all, embodiments of the present application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

In view of this, an embodiment of the present application provides a dual-motor controller, in which a first partition plate is disposed inside a box, the first partition plate divides an inner space of the box into an upper receiving space and a lower receiving space, a DCDC module is disposed in a middle portion of the upper receiving space, a control board is disposed on one side of the DCDC module in the upper receiving space, a fuse assembly is disposed on one side of the upper receiving space away from the control board, a first driving assembly is disposed on one side of the lower receiving space, a second driving assembly is disposed on one side of the first driving assembly in the lower receiving space, a second partition plate is disposed between the DCDC module and the control board, the first partition plate separates the control board from the first driving assembly and the second driving assembly, and the second partition plate separates the DCDC module from the control board, so that electromagnetic compatibility of the entire dual-motor controller can be improved. .

Referring to fig. 1, fig. 1 is a schematic diagram of an internal structure of a dual-motor controller according to an embodiment of the present application, and as shown in fig. 1, the dual-motor controller includes: the refrigerator comprises a box body 1, wherein a first partition plate 2 is arranged inside the box body 1, the first partition plate 2 divides the inner space of the box body 1 into an upper accommodating space 3 and a lower accommodating space 4, and the upper accommodating space 3 and the lower accommodating space 4 are respectively sealed by an upper cover of the box body 1 and a lower cover of the box body 1; a DCDC module 6, the DCDC module 6 being disposed in the middle of the upper accommodating space 3; a control board 5, the control board 5 being disposed at one side of the DCDC module 6 of the upper receiving space 3, a second partition plate being disposed between the DCDC module 6 and the control board 5; a fuse assembly 7, wherein the fuse assembly 7 is arranged on one side of the upper accommodating space 3 far away from the control board 5; a first driving assembly 8, wherein the first driving assembly 8 is arranged at one side of the lower accommodating space 4; a second driving assembly 9, wherein the second driving assembly 9 is arranged at one side of the first driving assembly 8 of the lower accommodating space 4, a first capacitor 28, the first capacitor 28 is arranged at the side of the first driving assembly 8 of the lower accommodating space 4, and the first driving assembly 8 is electrically connected with the first capacitor 28; and a second capacitor 27, wherein the second capacitor 27 is arranged at the side surface of the second driving assembly 9 of the lower accommodating space 4, and the second driving assembly 9 is electrically connected with the second capacitor 27.

In the present embodiment, the first partition plate 2 is used to divide the inner space of the box body 1 into the upper accommodating space 3 and the lower accommodating space 4, so that the space in the box body 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 body 1 and the lower cover of the box body 1 to play a role of water proofing, the fuse assembly 7 and the DCDC module 6 are integrated in the box body 1, so that the integration level of the driving motor system can be higher, so as to reduce the volume occupation of the driving motor system, the first driving assembly 8 is arranged at one side of the lower accommodating space 4, the second driving assembly 9 is arranged at one side of the first driving assembly 8 of the lower accommodating space 4, so that the first driving assembly 8 and the second driving assembly 9 are arranged at the lower accommodating space 4 side by side, the DCDC module 6, the control board 5 and the fuse assembly 7 are arranged at the upper accommodating space 3 side by side, the space in the box body 1 can be reasonably utilized, the structure in the box body 1 is more compact, the size of the box body 1 is reduced as much as possible, the space occupation of a double-motor controller is reduced, the space occupation of a driving motor system is reduced, the control panel 5 is separated from the first driving assembly 8 and the second driving assembly 9 by the first separating plate 2, the electromagnetic compatibility of the whole double-motor controller can be improved, the second separating plate is arranged between the control panel 5 and the DCDC module 6, the control panel 5 and the DCDC module 6 can be separated, the electromagnetic compatibility is improved, in order to enable the first capacitor 28 to be better connected with the first driving assembly 8, the second capacitor 27 to be better connected with the second driving assembly 9, the first capacitor 28 and the second capacitor 27 are arranged in the lower accommodating space 4 provided with the first driving assembly 8 and the second driving assembly 9, to reduce the use of connecting material.

Based on the above dual-motor controller, the present application provides the following specific examples, and on the premise of no conflict, the examples can be combined arbitrarily to form a new dual-motor controller. It should be understood that a new dual motor controller formed by any combination of the examples is intended to fall within the scope of the present application.

Referring to fig. 2, fig. 2 is a schematic structural view of a first partition plate 2 and peripheral connecting members thereof of a dual-motor controller according to an embodiment of the present disclosure, as shown in fig. 2, in a possible implementation manner, a heat dissipation water channel is disposed inside the first partition plate 2, and a first heat dissipation hole 22 and a second heat dissipation hole 21 are disposed on the first partition plate 2; the first driving assembly 8 and the second driving 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 surfaces of the first partition plate (2) and the DCDC module (6) and the control plate (5), and the heat-conducting glue is in contact with the DCDC module (6), the control plate (5) and the first partition plate (2).

In the present embodiment, a heat dissipation water channel is disposed inside the first partition plate 2 to dissipate heat of the DCDC module 6, the control board 5, the fuse assembly 7, the first driving assembly 8 and the second driving assembly 9 inside the box body 1 by a water cooling method, specifically, a first heat dissipation hole 22 and a second heat dissipation hole 21 are formed on the first partition plate 2, after the first driving assembly 8 and the second driving assembly 9 are packaged, respectively extend into the heat dissipation water channel through the first heat dissipation hole 22 and the second heat dissipation hole 21 so as to obtain 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 first partition board 2 and the DCDC module 6 and the control board 5, and the heat-conducting glue is contacted with the DCDC module 6, the control board 5 and the first partition board 2, so that the heat dissipation effect of the DCDC module 6 and the control board 5 is improved. The heat dissipation water channel arranged in the first partition plate 2 can dissipate heat of the components in the upper accommodation space 3 and the lower accommodation space 4 on both sides of the first partition plate 2, so that a good heat dissipation effect can be achieved.

Referring to fig. 3, fig. 3 is an exploded view of one side of a lower accommodating space 4 of a dual-motor controller according to an embodiment of the present application, as shown in fig. 3, in a possible implementation manner, the dual-motor controller further includes: a direct current filter 29; the dc filter 29 is disposed on a side of the lower accommodating space 4 away from the first driving assembly 8 and the second driving assembly 9, and the dc filter 29 is electrically connected to the first capacitor 28 and the second capacitor 27, respectively.

In the present embodiment, the dc filter 29 is disposed on one side of the lower accommodating space 4 away from the first driving assembly 8 and the second driving assembly 9, and the dc filter 29 is electrically connected to the first capacitor 28 and the second capacitor 27, respectively, so that the usage of the connecting material between the dc filter 29 and the first capacitor 28 and the second capacitor 27 can be reduced, and the lower accommodating space 4 can be utilized reasonably, so that the structure of each component in the lower accommodating space 4 is more compact, and the space occupation of the whole dual-motor controller is reduced.

Referring to fig. 4, fig. 4 is a schematic perspective view of a dc filter 29 of a dual-motor controller according to an embodiment of the present application, as shown in fig. 4, in a possible implementation manner, the dc filter 29 includes: a support 292, a third safety capacitor 291 and a first magnetic ring 293; the support frame 292 with the box 1 inner wall connection, the support frame 292 includes diaphragm 2922 and riser 2921, the setting of ann rule electric capacity 291 is in on the riser 2921, first magnetic ring 293 sets up on the diaphragm 2922, the diaphragm 2922 is fixed the first electric capacity 28 top, be provided with the third ground connection on the riser 2921, the third ground connection with the box 1 electricity is connected.

In this embodiment, with ann rule electric capacity 291 and first magnetic ring 293 integration on support frame 292, so that can be convenient for the integral erection, improve assembly efficiency, specifically, support frame 292 includes diaphragm 2922 and riser 2921, third ann rule electric capacity 291 has a plurality ofly, the setting is on riser 2921, can play fine filtering action, first magnetic ring 293 sets up on diaphragm 2922, can strengthen electromagnetic compatibility, be provided with a plurality of fixed points on diaphragm 2922, fix at first electric capacity 28 top through the screw, set up the third grounding part on riser 2921, can be connected third ann rule electric capacity 291 and box 1 electricity, in order to obtain better filtering action.

Referring to fig. 5, fig. 5 is an exploded view of the upper receiving space 3 side of the dual-motor controller according to an embodiment of the present application, and as shown in fig. 5, in a possible implementation manner, a DC high-voltage connector 10 is disposed on an outer side surface of the box 1 near the fuse assembly 7 side, 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 harness 71.

In this embodiment, a DC high voltage connector 10 is disposed on an outer side surface of the box 1 on a side close to the fuse assembly 7, the DC high voltage connector 10 is used for inputting a DC high voltage power, and the DC high voltage power is respectively transmitted to the DCDC module 6, the fuse assembly 7 and the DC filter 29 through a DC high voltage input harness 71, specifically, the DC high voltage input harness 71 can be pressed against copper bars of the DCDC module 6, the fuse assembly 7 and the DC filter 29 through screws, so as to achieve electrical connection.

Referring to fig. 6, fig. 6 is a schematic perspective view of a fuse assembly 7 of a dual-motor controller according to an embodiment of the present application, as shown in fig. 6, in a possible implementation manner, the fuse assembly 7 includes: fuse module 74, fuse and first current output harness; the fuse device comprises a fuse box 75 and a fuse 73, the fuse box 75 and the fuse module 74 are integrally formed, and the fuse 73 is arranged in the fuse box 75 and electrically connects the fuse module 74 and the first current output wire harness.

In this embodiment, the fuse assembly 7 includes a fuse module 74, a fuse device and a first current output harness, wherein the fuse 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, the fuse module and the first current output harness can be electrically connected, if there is a current abnormality, the fuse 73 is fused, and the fuse module 74 and the first current output harness are disconnected, so that current is not output from the first current output harness any more, and a fuse function is achieved.

Referring to fig. 5, in a possible embodiment, a CMP high-voltage connector, a PTC high-voltage connector and a DCDC connector 14 are disposed on an outer side surface of the case 1 on a side close to the fuse assembly 7; the CMP high-voltage connector and the PTC high-voltage connector are electrically connected with the fuse module 74 through the first current output harness, respectively, and the DCDC connector 14 is electrically connected with the DCDC module 6.

In the present embodiment, a CMP high voltage connector, a PTC high voltage connector, and a DCDC connector 14 are provided, the DC high voltage input through the DC high voltage connector 10 is converted into DC low voltage by the DCDC module 6, and is output through the DCDC connector 14, and the DC high voltage input through the DC high voltage connector 10 is converted through the fuse assembly 7, and is output through the CMP high voltage connector and the PTC high voltage connector, so as to ensure the safety of power consumption.

Referring to fig. 5 and 6, in a possible embodiment, the device further includes a cover opening detection device; the open cover detection device comprises an open cover detection connector 72 and a fuse cover plate 200, wherein the open cover detection connector 72 is arranged in the fuse box 75; a detection hole is formed in the upper cover of the box body 1, and the fuse cover plate 200 seals the detection hole; the fuse cover plate 200 is provided with a guide connecting block, the uncovering detection connector 72 is provided with a first connecting end and a second connecting end, and when the fuse cover plate 200 is matched with the detection hole, the first connecting end and the second connecting end are electrically connected through the guide connecting block.

In this embodiment, the cover opening detection connector 72 is disposed in the fuse box 75, a detection hole is formed in the upper cover of the box body 1, the fuse cover 200 can seal the detection hole, thereby realizing the sealing of the box body 1, when detection is required, the fuse cover 200 is removed again to detect or replace a safety device inside the fuse, in order to ensure safety, the cover opening detection connector 72 is connected with the interlocking harness 54, the control board 5 is connected with the PTC high-voltage connector, the DC high-voltage connector 10 and the cover opening detection connector 72 through the interlocking harness 54, a conductive block is disposed on the fuse cover 200, a first connection end and a second connection end are disposed on the cover opening detection connector 72, when the fuse cover 200 is matched with the detection hole, the conductive block electrically connects the first connection end and the second connection end, when the cover opening detection is performed, the conductive block is disconnected from the first connection end and the second connection end, thereby disconnecting the PTC high-voltage connector and the DC high-voltage connector 10 through the control board 5 in order to avoid the high-voltage current from damaging the inspection personnel.

Referring to fig. 7 and 8, fig. 7 is an exploded view of a first driving assembly 8 of a dual-motor controller according to an embodiment of the present application, and fig. 8 is an exploded view of a second driving assembly 9 of a dual-motor controller according to an embodiment of the present application, as shown in fig. 7 and 8, in a possible implementation, the first driving assembly 8 includes: a first three-phase module 83, a first drive plate 82 and a first IGBT module 81, the second drive assembly 9 comprising: a second three-phase module 93, a second drive board 92, and a second IGBT module 91; the first driving plate 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 driving plate 82, the second driving plate 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 driving plate 92.

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

In a possible embodiment, a first shielding plate 84 and a first insulating pad 85 are arranged between the first driving plate 82 and the first IGBT module 81, a first safety capacitor is arranged on the first driving plate 82, the first driving plate 82 is electrically connected with both the first capacitor 28 and the first IGBT module 81 through a first driving plate copper bar, and the first shielding plate 84 is electrically connected with the box body 1 through a first grounding piece; a second shielding plate 94 and a second insulating pad 95 are arranged between the second driving plate 92 and the second IGBT module 91, a second safety capacitor is arranged on the second driving plate 92, the second driving plate 92 is electrically connected with the second capacitor 27 and the second IGBT module 91 through a second driving plate copper bar, and the second shielding plate 94 is electrically connected with the box body 1 through a second grounding piece.

In this embodiment, a first shielding plate 84 and a first insulating pad 85 are disposed between the first driving plate 82 and the first IGBT module 81, a first safety capacitor is disposed on the first driving plate 82, the first driving plate 82 is electrically connected to both the first capacitor 28 and the first IGBT module 81 through a first driving plate copper bar, the first shielding plate 84 is electrically connected to the box 1 through a first grounding member, a second shielding plate 94 and a second insulating pad 95 are disposed between the second driving plate 92 and the second IGBT module 91, a second safety capacitor is disposed on the second driving plate 92, the second driving plate 92 is electrically connected to both the second capacitor 27 and the second IGBT module 91 through a second driving plate copper bar, and the second shielding plate 94 is electrically connected to the box 1 through a second grounding member, so that electromagnetic compatibility between the first driving assembly 8 and the second driving assembly 9 can be improved.

In one possible embodiment, a second magnetic ring 831 is disposed in the first three-phase module 83, and a third magnetic ring 931 is disposed in the second three-phase module 93.

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, and the arrangement of the first safety capacitor, the first shielding plate 84 and the second magnetic ring 831 on the first drive assembly 8 and the arrangement of the second safety capacitor, the second shielding plate 94 and the third magnetic ring 931 on the second drive assembly 9 improve the electromagnetic compatibility of the first drive assembly 8 and the second drive assembly 9, so as to solve the electromagnetic interference of the first drive assembly 8 and the second drive assembly 9.

Referring to fig. 5, 7 and 8, in a possible embodiment, the first three-phase module 83 includes a first output copper bar 832, the second three-phase module 93 includes a second output copper bar 932, and a first output hole and a second output hole are formed on the lower cover of the box body 1; the first output copper bar 832 and the second output copper bar 932 respectively extend out of the lower cover of the box body 1 through the first output hole and the second output hole.

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

Referring to fig. 2, 7 and 8, in a possible embodiment, a first temperature sensor 88 is disposed on the first driving plate 82, and a water inlet pipe and a water outlet pipe 23 are disposed on the first separating plate 2; the water outlet pipe 23 is provided with a first temperature detection block 231, and the first temperature sensor 88 is abutted against the first temperature detection block 231.

In this embodiment, one end of the first IGBT module 81 of the first driving assembly 8 extends into the heat dissipation channel, the first driving plate 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 a second IGBT module 91 of the second driving assembly 9 extends into the heat dissipation water channel, the second driving plate 92 is larger than the second heat dissipation hole 21, and the second IGBT module 91 and the second sealing ring realize sealing of the second heat dissipation hole 21.

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 separating 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 a heat radiation water channel, for inputting and outputting the heat dissipating water, a first temperature detecting block 231 is arranged on the water outlet pipe 23, a first temperature sensor 88 is abutted against the first temperature detecting block 231, a second temperature detecting block is arranged on the water inlet pipe, the second temperature sensor is abutted against the second temperature detecting block, thereby being capable of rapidly detecting the temperature of the inlet water and the temperature of the outlet water so as to adjust the water quantity of the heat dissipating water in time and achieve better heat dissipating effect, a heat conductive paste may be coated on an abutting position of the first temperature detection block 231 with the first temperature sensor 88 and an abutting position of the second temperature detection block with the second temperature sensor.

Referring to fig. 5, 7 and 8, in a possible embodiment, a water inlet nozzle 15 is arranged at one side of the box body 1, and the water inlet pipe passes through the box body 1 and is connected with the water inlet nozzle 15; a water outlet nozzle 13 is arranged on one side of the box body 1, which is far away from the water inlet nozzle 15, and the water outlet pipe 23 penetrates through the box body 1 and is connected with the water outlet nozzle 13.

In the embodiment, the water inlet nozzle 15 is connected with a water inlet pipe and used for inputting radiating water, the water outlet nozzle 13 is connected with the water outlet pipe 23 and used for outputting the radiating 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 radiating water can take heat out in time.

Referring to fig. 5, in a possible embodiment, the control board 5 is connected to the DCDC module 6 through a DCDC control harness, the control board 5 is connected to the first drive board 82 and the second drive board 92 through the first PWM harness 87 and the second PWM harness 97, respectively, so that the DCDC module 6, the first drive board 82 and the second drive board 92 can be controlled by the control board 5, the control board 5 is connected to the resolver harness 51, and the other end of the resolver harness 51 extends out of the lower cover of the box 1, so that the control board 5 can be connected to the drive motor or the generator motor through the resolver harness 51.

In a possible embodiment, the lower cover of the box body 1 is provided with a ventilation valve 26 for facilitating ventilation inside and outside the box body 1 and discharging hot air inside the box body 1.

Based on the same inventive concept, an embodiment of the present application provides a vehicle including a vehicle main body and the dual-motor controller as in the above embodiment provided on the vehicle main body.

The vehicle with the dual-motor controller comprises, on the first hand, a first partition plate 2 is arranged inside a box body, the first partition plate 2 divides the inner space of the box body into an upper accommodating space 3 and a lower accommodating space 4, a DCDC module 6 is arranged in the middle of the upper accommodating space 3, a control board 5 is arranged on one side of the DCDC module 6 of the upper accommodating space 3, a fuse assembly 7 is arranged on one side of the upper accommodating space 3 far away from the control board 5, a first driving assembly 8 is arranged on one side of the lower accommodating space 4, a second driving assembly 9 is arranged on one side of the first driving assembly 8 of 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 driving assembly 8 and the second driving assembly 9, and the second partition plate separates the DCDC module 6 from the control board 5, so that the electromagnetic compatibility of the whole dual-motor controller can be improved.

In the second aspect, not only the first driving assembly 8 and the second driving 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 level is higher, and the space occupation of the driving motor system can be reduced.

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

It should be understood that while the present specification has described preferred embodiments of the present application, additional variations and modifications of those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including the preferred embodiment and all such alterations and modifications as fall within the true scope of the embodiments of the application.

Finally, it should also be noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or terminal that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or terminal. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or terminal that comprises the element.

The foregoing detailed description is directed to a dual-motor controller and a vehicle having the same, and specific examples are applied to illustrate the principles and embodiments of the present application, and the description of the foregoing embodiments is only used to help understand the method and the core idea of the present application; meanwhile, for a person skilled in the art, according to the idea of the present application, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present application.

Claims

1. A dual motor controller, comprising:

the box body (1), a first partition plate (2) is arranged inside the box body (1), the first partition plate (2) divides the inner space of the box body (1) into an upper accommodating space (3) and a lower accommodating space (4), and the upper accommodating space (3) and the lower accommodating space (4) are respectively sealed through an upper cover of the box body (1) and a lower cover of the box body (1);

a DCDC module (6), the DCDC module (6) being disposed at a middle portion of the upper accommodating space (3);

a control board (5), the control board (5) being disposed at one side of the DCDC module (6) of the upper receiving space (3), a second partition plate being disposed between the DCDC module (6) and the control board (5);

a fuse assembly (7), wherein the fuse assembly (7) is arranged on one side of the upper accommodating space (3) far away from the control board (5);

a first drive assembly (8), the first drive assembly (8) being arranged on the side of the lower receiving space (4);

a second drive assembly (9), said second drive assembly (9) being arranged on one side of said first drive assembly (8) of the lower receiving space (4);

a first capacitor (28), wherein the first capacitor (28) is arranged at the side of a first driving assembly (8) of the lower accommodating space (4), and the first driving assembly (8) is electrically connected with the first capacitor (28);

a second capacitor (27), wherein the second capacitor (27) is arranged at the side of a second driving assembly (9) of the lower accommodating space (4), and the second driving assembly (9) is electrically connected with the second capacitor (27).

2. The dual-motor controller according to claim 1, wherein the first drive assembly (8) comprises: a first three-phase module (83), a first drive plate (82), and a first IGBT module (81), the second drive assembly (9) comprising: a second three-phase module (93), a second drive board (92), and a second IGBT module (91);

the first driving plate (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 driving plate (82), the second driving plate (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 driving plate (92).

3. The dual-motor controller of claim 2, wherein a first shielding plate (84) and a first insulating pad (85) are arranged between the first driving plate (82) and the first IGBT module (81), a first safety capacitor is arranged on the first driving plate (82), the first driving plate (82) is electrically connected with the first capacitor (28) and the first IGBT module (81) through a first driving plate copper bar, and the first shielding plate (84) is electrically connected with the box body (1) through a first grounding piece;

a second shielding plate (94) and a second insulating pad (95) are arranged between the second driving plate (92) and the second IGBT module (91), a second safety capacitor is arranged on the second driving plate (92), the second driving plate (92) is electrically connected with the second capacitor (27) and the second IGBT module (91) through a second driving plate copper bar, and the second shielding plate (94) is electrically connected with the box body (1) through a second grounding piece;

a second magnetic ring (831) is arranged in the first three-phase module (83), and a third magnetic ring (931) is arranged in the second three-phase module (93).

4. The dual-motor controller of claim 1, further comprising a dc filter (29);

the direct current filter (29) is arranged on one side of the lower accommodating space (4) far 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.

5. The dual-motor controller according to claim 4, wherein the DC filter (29) comprises: the magnetic field generator comprises a support frame (292), a third safety capacitor (291) and a first magnetic ring (293);

the support frame (292) comprises a transverse 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 transverse plate (2922), the transverse plate (2922) is fixed to the top of the first capacitor, a third grounding piece is arranged on the vertical plate (2921), and the third grounding piece is electrically connected with the box body (1).

6. The dual-motor controller according to claim 1, wherein the fuse assembly (7) comprises: a fuse module (74), a fuse and a first current output harness;

the fuse device comprises a fuse box (75) and a fuse (73), the fuse box (75) and the fuse module (74) are integrally formed, the fuse (73) is arranged in the fuse box (75) and electrically connects the fuse module (74) and the first current output wire harness.

7. The dual-motor controller of claim 6, further comprising: a cover opening detection device;

the uncovering detection device comprises an uncovering detection connector (72) and a fuse cover plate (200), wherein the uncovering detection connector (72) is arranged in the fuse box (75);

a detection hole is formed in the upper cover of the box body (1), and the fuse cover plate (200) seals the detection hole;

the fuse cover plate (200) is provided with a guide connecting block, the uncovering detection connector (72) is provided with a first connecting end and a second connecting end, and when the fuse cover plate (200) is matched with the detection hole, the guide connecting block electrically connects the first connecting end and the second connecting end.

8. The dual-motor controller of claim 1,

a heat dissipation water channel is arranged in the first partition plate (2), and a first heat dissipation hole (22) and a second heat dissipation hole (21) are formed in the first partition plate (2);

the first driving assembly (8) and the second driving 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 surfaces of the first partition plate (2) and the DCDC module (6) and the control plate (5), and the heat-conducting glue is in contact with the DCDC module (6), the control plate (5) and the first partition plate (2).

9. The dual-motor controller of claim 8, wherein a first temperature sensor (88) is arranged on the first driving plate (82), a second temperature sensor is arranged on the second driving plate (92), and a water inlet pipe and a water outlet pipe (23) are arranged on the first separating plate (2);

be provided with first temperature detection piece (231) on outlet pipe (23), first temperature sensor (88) with first temperature detection piece (231) contradicts, be provided with the second temperature detection piece on the oral siphon, second temperature sensor with the second temperature detection piece contradicts.

10. A vehicle characterized by comprising a vehicle body and the two-motor controller according to any one of claims 1 to 9 provided on the vehicle body.