Integrated motor drive controller system

Abstract

The utility model provides an integrated motor drive controller system which comprises a drive controller and a motor. The first shell of the drive controller and the second shell of the motor are detachably assembled, the axial direction of the drive controller and the axial direction of the motor are coaxial or parallel, and the first liquid cooling module of the drive controller and the second liquid cooling module of the motor are communicated and assembled. A bottom plate of a first shell of the drive controller is provided with a rotating shaft bearing structure which can be constructed as a bearing mechanism of the end portion of a rotating shaft of the motor. The housing of the drive controller of the integrated motor drive controller system can be directly used as the rear support cover of the motor, so that the part cost and the assembly time can be saved. And the driving controller is arranged on the rear side of the motor, so that the whole device is relatively simple, and the flexibility of space configuration and overall layout in a working environment can be improved. The drive controller and the motor are modular components, so that assembly and maintenance of the system are facilitated.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of motor driver system, in particular to a kind of integrated motor driver system. BACKGROUND

[0002] In the field of electric vehicles or electromechanical equipment, motor driver system has become a key technology, and the main components of these systems include motor (or motor) and driver. Motor operates under the control of driver to provide the required mechanical energy to drive various equipment and mechanical movement.

[0003] The existing motor driver system usually sets motor and driver separately, wherein the motor includes a housing, a front cover and a rear cover, the front cover is assembled to the front end opening of the housing, and the rear cover is assembled to the rear end opening of the housing. The driver is arranged separately from the motor, or the driver is mounted on the side of the housing of the motor. The structure and arrangement of the conventional system make it difficult to integrate the motor and the driver, and increase the complexity of the assembly structure, making the assembly process time-consuming and costly. In addition, since the motor and the driver are arranged separately in the motor driver system, and each component needs its own cooling device, it not only does not help to reduce the size of the equipment, but also affects the flexibility of space configuration and overall layout in the working environment.

[0004] Therefore, it is necessary to develop an integrated motor driver system to solve the problems and defects in the prior art. SUMMARY

[0005] The utility model aims at providing an integrated motor driver system to solve at least one of the above problems.

[0006] The utility model aims at providing an integrated motor driver system, which includes a driver and a motor. The axial direction of the driver is coaxial or parallel to the axial direction of the motor, and the driver and the motor are detachably connected. The bottom plate of the first housing of the driver has a rotating shaft bearing support structure, which can be used as a support mechanism for the end of the rotating shaft of the motor. The housing of the driver of the integrated motor driver system can be directly used as the rear cover of the motor, thereby saving parts cost and assembly time. The driver is arranged on the rear side of the motor, making the overall system more compact, and improving the flexibility of space configuration and overall layout in the working environment. In addition, the driver and the motor are modular components, which are beneficial to the assembly and maintenance of the system. Furthermore, the liquid cooling modules of the motor and the driver are connected to each other, which is beneficial to the reduction of system size and cost reduction.

[0007] To achieve the foregoing purpose, the utility model provides a integral motor drive controller system, it contains drive controller and motor. Drive controller includes first casing, control module and first liquid cooling module. First casing includes bottom plate, peripheral wall and rotation bearing support structure, wherein the bottom plate has opposite first side and second side, the peripheral wall and the second side of the bottom plate define the accommodation space, the rotation bearing support structure is arranged on the first side of the bottom plate. Control module is arranged on the second side of the bottom plate and is located in the accommodation space. First liquid cooling module is arranged on the second side of the bottom plate and is located in the accommodation space, and is structured to heat dissipation for control module. Motor is connected with drive controller structure and electrically connected to drive according to the control of drive controller, wherein the axis of motor and the axis of drive controller are coaxial or parallel. Motor includes second casing, front cover, rotor assembly, stator assembly and second liquid cooling module. Second casing is connected with first casing, and includes casing pipe wall, hollow part, first port and second port, wherein the first port and the second port are arranged on the two opposite ends of the casing pipe wall and are communicated with the hollow part respectively. Front cover is connected with the first port of second casing. Rotor assembly is arranged in the hollow part and includes rotation shaft, wherein the first end of rotation shaft is adjacent to front cover, and the second end of rotation shaft is arranged in the rotation bearing support structure of first casing through the second port. Stator assembly is arranged in the hollow part and is arranged around rotor assembly. Second liquid cooling module is arranged in the casing pipe wall and is structured to heat dissipation for stator assembly and rotor assembly, wherein first liquid cooling module and second liquid cooling module are connected and connected.

[0008] According to one embodiment of the utility model, the bottom plate, the peripheral wall and the rotation bearing support structure of the first casing are integrally formed as a single-piece structure.

[0009] According to one embodiment of the utility model, the first casing further includes a receiving groove and a through hole, the receiving groove is recessed in the second side of the bottom plate, and the through hole penetrates the bottom plate and is arranged between the receiving groove and the rotation bearing support structure, wherein the drive controller further includes a sensing module arranged in the receiving groove and structured to detect a rotation angle of the rotation shaft of the motor through the through hole.

[0010] According to one embodiment of the utility model, the sensing module includes a resolver arranged in the receiving groove and positioned with the second end of the rotation shaft through the through hole to detect the rotation angle of the rotation shaft.

[0011] According to one embodiment of the utility model, the drive controller further includes a pressing plate connected to the second side of the bottom plate and structured to seal and fix the sensing module in the receiving groove, wherein the control module is arranged above the pressing plate.

[0012] According to one of the embodiments of the utility model, the rotating shaft bearing support structure includes a ring-shaped convex rib and a bearing recess, wherein the ring-shaped convex rib is convexly arranged on the first side of the bottom plate, the ring-shaped convex rib and the first side of the bottom plate define the bearing recess, and the second end of the rotating shaft is arranged in the bearing recess.

[0013] According to one of the embodiments of the utility model, the driver includes a first flow channel connection port, which is connected to the first liquid cooling module and located in the first shell, wherein the motor includes a second flow channel connection port, which is connected to the second liquid cooling module and located in the second shell, wherein the integrated motor driver system further includes a liquid cooling module adapter element connected to the first flow channel connection port and the second flow channel connection port to enable the first liquid cooling module of the driver and the second liquid cooling module of the motor to be connected.

[0014] According to one of the embodiments of the utility model, the first liquid cooling module includes a water channel inlet, a water channel base, and a water channel outlet, the water channel inlet is arranged on the second side of the bottom plate, the water channel outlet is arranged on the second side of the bottom plate, and the water channel base is arranged between the control module and the bottom plate, wherein the water channel inlet, the water channel base, and the water channel outlet are sequentially connected.

[0015] According to one of the embodiments of the utility model, the stator assembly includes a stator core, a plurality of flat wire windings, and a busbar assembly, the plurality of flat wire windings are arranged in a plurality of winding slots of the stator core, and the busbar assembly is arranged at one end of the stator core and electrically connected to at least part of the flat wire windings.

[0016] According to one of the embodiments of the utility model, the driver further includes a cover plate, which is connected to the first shell and configured to close a port of the first shell.

[0017] According to one of the embodiments of the utility model, the control module includes a plurality of insulated gate bipolar transistors and at least one printed circuit board.

[0018] The utility model has the advantages that the shell of the driver of the integrated motor driver system can be directly used as the rear cover of the motor, thereby saving the cost of parts and the assembly time, and the driver is arranged on the rear side of the motor, so that the overall system is simple, and the flexibility of space configuration and overall layout in the working environment can be improved. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1The utility model discloses a structure diagram of integral type motor drive controller system.

[0020] Figure 2 The utility model discloses a longitudinal section view of integral type motor drive controller system.

[0021] Figure 3 The utility model discloses a longitudinal section view of drive controller of integral type motor drive controller system.

[0022] Figure 4 The utility model discloses a structure diagram of first liquid cooling module of drive controller of integral type motor drive controller system.

[0023] Figure 5 The utility model discloses a structure diagram of motor of integral type motor drive controller system.

[0024] Figure 6 The utility model discloses a longitudinal section view of motor of integral type motor drive controller system.

[0025] The reference signs are as follows:

[0026] 1: integral type motor drive controller system

[0027] 2: drive controller

[0028] 21: axial direction

[0029] 22: cover plate

[0030] 23: port

[0031] 3: first shell

[0032] 31: bottom plate

[0033] 311: first side

[0034] 312: second side

[0035] 313: accommodating groove

[0036] 314: through hole

[0037] 315: pressing plate

[0038] 32: peripheral wall

[0039] 33: rotating shaft bearing support structure

[0040] 331: ring type convex rib

[0041] 332: bearing concave part

[0042] 34: accommodating space

[0043] 35: control module

[0044] 341: Insulated Gate Bipolar Transistor

[0045] 342: Printed Circuit Board

[0046] 36: First Liquid Cooling Module

[0047] 361: First Flow Channel Connection Port

[0048] 362: Water Channel Inlet

[0049] 363: Water Channel Base

[0050] 364: Water Channel Outlet

[0051] 37: Sensing Module

[0052] 371: Resolver

[0053] D1: Rotation Angle

[0054] 4: Motor

[0055] 41: Axial Direction

[0056] 5: Second Housing

[0057] 51: Housing Tube Wall

[0058] 52: Hollow

[0059] 53: First Port

[0060] 54: Second Port

[0061] 55: Front Cover

[0062] 56: Rotor Assembly

[0063] 561: Shaft

[0064] 562: First End

[0065] 563: Second End

[0066] 564: Bearing

[0067] 57: Stator Assembly

[0068] 571: Stator Core

[0069] 572: Flat Wire Winding

[0070] 573: Busbar Assembly

[0071] 574: Winding Slot

[0072] 575: End

[0073] 58: Second Liquid Cooling Module

[0074] 581: second flow channel connection port

[0075] 6: liquid cooling module adapter element DETAILED DESCRIPTION

[0076] Some typical embodiments embodying the features and advantages of the present application will be described in detail in the following description. It should be understood that the present application can be implemented in various manners, and various changes can be made thereto without departing from the scope of the present application, and the description and drawings in the specification are essentially for the purpose of illustration, not for limiting the present application. For example, if the present disclosure describes that a first feature is disposed on or above a second feature, it means that the embodiment includes the first feature and the second feature in direct contact, and also includes the embodiment in which additional features can be disposed between the first feature and the second feature, so that the first feature and the second feature can not be in direct contact. In addition, different embodiments in the present disclosure can use repeated reference signs and / or labels. These repetitions are for the purpose of simplification and clarity, and are not intended to limit the relationship between various embodiments and / or the appearance. Furthermore, in order to facilitate the description of the relationship between one component or feature and another component or feature in the drawings, spatially relative terms such as "upper", "lower", "top", "bottom", "front", "back", and the like are used. In addition to the orientation shown in the drawings, the spatially relative terms are used to encompass different orientations of the device in use or operation. The device can also be positioned (e.g., rotated 90 degrees or in other orientations) and the description of the spatially relative terms used is interpreted accordingly. In addition, when a component is referred to as "connected to" or "coupled to" another component, it can be directly connected or coupled to the other component, or there can be intervening components.

[0077] Please refer to Figures 1 to 6 , Figure 1 is a structural schematic view of the integrated motor drive controller system of the present application, Figure 2 is a longitudinal section view of the integrated motor drive controller system of the present application, Figure 3 is a longitudinal section view of the drive controller of the integrated motor drive controller system of the present application, Figure 4 is a structural schematic view of the first liquid cooling module of the drive controller of the integrated motor drive controller system of the present application, Figure 5 is a structural schematic view of the motor of the integrated motor drive controller system of the present application, Figure 6The utility model discloses a longitudinal section view of the motor of the integrated motor drive controller system. The integrated motor drive controller system 1 includes a drive controller 2 and a motor 4. The drive controller 2 includes a first shell 3, a control module 35 and a first liquid cooling module 36. The first shell 3 includes a bottom plate 31, a peripheral wall 32 and a rotating bearing support structure 33, wherein the bottom plate 31 has a first side 311 and a second side 312 arranged oppositely, the peripheral wall 32 and the second side 312 of the bottom plate 31 define a containing space 34, and the rotating bearing support structure 33 is arranged on the first side 311 of the bottom plate 31. The control module 35 is arranged on the second side 312 of the bottom plate 31 and located in the containing space 34. The first liquid cooling module 36 is arranged on the second side 312 of the bottom plate 31 and located in the containing space 34, and is arranged to dissipate heat from the control module 35.

[0078] In some embodiments, the rotating bearing support structure 33 and the bottom plate 31 are integrally formed, and the rotating bearing support structure 33 and the bottom plate 31 together have the functions of supporting the control module 35 and the first liquid cooling module 36 of the drive controller 2, and supporting the end of the rotating shaft 561 of the motor 4.

[0079] In the present embodiment, the motor 4 is structurally and electrically connected to the drive controller 2 to be driven according to the control of the drive controller 2, wherein an axial direction 41 of the motor 4 is coaxial or parallel to an axial direction 21 of the drive controller 2, and the drive controller 2 and the motor 4 are detachably connected. The motor 4 includes a second shell 5, a front cover 55, a rotor assembly 56, a stator assembly 57 and a second liquid cooling module 58. The second shell 5 is detachably connected to the first shell 3, and includes a shell wall 51, a hollow portion 52, a first port 53 and a second port 54, wherein the first port 53 and the second port 54 are arranged at two opposite ends of the shell wall 51 and respectively communicate with the hollow portion 52. The front cover 55 is connected to the first port 53 of the second shell 5. The rotor assembly 56 is arranged in the hollow portion 52 and includes a rotating shaft 561, a first end 562 of the rotating shaft 561 is adjacent to the front cover 55, and a second end 563 of the rotating shaft 561 is arranged in the rotating bearing support structure 33 of the first shell 3 through the second port 54. The rotating bearing support structure 33 can support the end of the rotating shaft 561 of the motor 4 to improve the stability of the motor operation. The stator assembly 57 is arranged in the hollow portion 52 and surrounds the rotor assembly 56. The second liquid cooling module 58 is arranged in the shell wall 51 and arranged to dissipate heat from the stator assembly 57 and the rotor assembly 56, wherein the first liquid cooling module 36 and the second liquid cooling module 58 are connected.

[0080] In an embodiment, the bottom plate 31, the peripheral wall 32 and the rotation bearing supporting structure 33 of the first housing 3 are integrally formed as a single piece. Therefore, the drive controller 2 has a more stable structure. In addition, the first housing 3 of the drive controller 2 has the rotation bearing supporting structure 33, which can be directly used as a rear cover of the motor 4, thereby saving the cost of parts and assembly time. In an embodiment, the first housing 3 and the second housing 5 can be detachably connected by screwing, buckling or latching, etc. For example, the first housing 3 and the second housing 5 each have a threaded hole, and the threaded holes are oppositely arranged. By passing a screw element through the threaded hole of the first housing 3 and the threaded hole of the second housing 5, the first housing 3 and the second housing 5 can be detachably connected to each other. It should be emphasized that the manner in which the first housing 3 and the second housing 5 are connected to each other is not limited to the above embodiment, and can be adjusted according to actual application requirements.

[0081] In an embodiment, the first housing 3 further includes a receiving groove 313 recessed in the second side 312 of the bottom plate 31 and a through hole 314 penetrating the bottom plate 31 and arranged opposite to the receiving groove 313 and the rotation bearing supporting structure 33. The drive controller 2 further includes a sensing module 37 arranged in the receiving groove 313 and configured to detect the rotation angle D1 of the rotation shaft 561 of the motor 4 through the through hole 314.

[0082] In an embodiment, the sensing module 37 includes a resolver 371 arranged in the receiving groove 313 and oppositely arranged to the second end 563 of the rotation shaft 561 through the through hole 314, so as to detect the rotation angle D1 of the rotation shaft 561. It should be particularly pointed out that the sensing module 37 is not limited to the resolver 371, and other sensors can be used according to requirements to detect the operation status of the rotation shaft 561.

[0083] In an embodiment, the drive controller 2 further includes a pressing plate 315 connected to the second side 312 of the bottom plate 31 and configured to seal and fix the sensing module 37 in the receiving groove 313. In an embodiment, the control module 35 is arranged above the pressing plate 315.

[0084] In the embodiment, the rotation bearing supporting structure 33 includes a ring-shaped protruding rib 331 protruding from the first side 311 of the bottom plate 31, and the ring-shaped protruding rib 331 and the first side 311 of the bottom plate 31 define a supporting recess 332, and the second end 563 of the rotation shaft 561 is arranged in the supporting recess 332. In an embodiment, the motor 4 further includes a bearing 564 sleeved on the second end 563 of the rotation shaft 561 and arranged in the supporting recess 332 of the rotation bearing supporting structure 33, so that the rotation shaft 561 can stably operate.

[0085] In an embodiment, the driver 2 includes a first flow channel connection port 361, which is connected to the first liquid cooling module 36 and located in the first housing 3. The motor 4 includes a second flow channel connection port 581, which is connected to the second liquid cooling module 58 and located in the second housing 5. The integrated motor driver system 1 of the utility model further includes a liquid cooling module adapter 6, which is connected to the first flow channel connection port 361 and the second flow channel connection port 581, so as to connect the first liquid cooling module 36 of the driver 2 and the second liquid cooling module 58 of the motor 4, thereby avoiding leakage of the cooling liquid. The first liquid cooling module 36 of the driver 2 and the second liquid cooling module 58 of the motor 4 are connected through the liquid cooling module adapter 6, which can reduce the volume of the system and reduce the cost.

[0086] In an embodiment, the first liquid cooling module 36 includes a water channel inlet 362, a water channel base 363, and a water channel outlet 364. The water channel inlet 362 is arranged on the second side 312 of the bottom plate 31, the water channel outlet 364 is arranged on the second side 312 of the bottom plate 31, and the water channel base 363 is arranged between the control module 35 and the bottom plate 31. The water channel inlet 362, the water channel base 363, and the water channel outlet 364 are sequentially connected and arranged to cool the components inside the driver 2. In an embodiment, the water channel outlet 364 of the first liquid cooling module 36 is connected to the first flow channel connection port 361.

[0087] In an embodiment, the control module 35 includes a plurality of insulated gate bipolar transistors 341 and at least one printed circuit board 342. The control module 35 can be arranged above the water channel base 363 and thermally coupled to the water channel base 363, so that the heat exchange of the water channel base 363 can improve the heat dissipation efficiency of the control module 35.

[0088] In an embodiment, the stator assembly 57 includes a stator core 571, a plurality of flat wire windings 572, and a busbar assembly 573. The plurality of flat wire windings 572 are arranged in a plurality of winding slots 574 of the stator core 571, and the busbar assembly 573 is arranged at one end 575 of the stator core 571 and electrically connected to at least part of the plurality of flat wire windings 572. In an embodiment, the control module 35 of the driver 2 can be electrically connected to the busbar assembly 573 of the motor 4 through at least one wire or flat wire passing through a wire through hole (not shown) of the bottom plate 31 of the first housing 3. It should be emphasized that the manner in which the control module 35 of the driver 2 is electrically connected to the motor 4 is not limited to the foregoing embodiment and can be adjusted according to actual application requirements.

[0089] In an embodiment, the driver 2 further includes a cover plate 22, which is connected to the first housing 3 and arranged to close a port 23 of the first housing 3.

[0090] In summary, the utility model provides a kind of integrated motor drive controller system, it includes drive controller and motor, wherein the axial direction of drive controller and the axial direction of motor are coaxial or parallel, and drive controller and motor are detachably connected.Drive controller's first casing bottom plate has pivot bearing support structure, can be configured as the support mechanism of the end of the rotating shaft of motor.The casing of the drive controller of the integrated motor drive controller system of the utility model can be directly used as the rear cover of motor, thereby the cost of parts and assembly time can be saved, and the drive controller is arranged at the rear side of motor, so that the overall system is relatively simple, and the flexibility of space configuration and overall layout in working environment can be improved.In addition, drive controller and motor are modular components, which is beneficial to the assembly and maintenance of the system.Furthermore, the liquid cooling modules of motor and drive controller are connected with each other, which is beneficial to the reduction of system volume and cost reduction.

Claims

1. An integrated motor drive controller system, characterized in that, Include: One drive controller, including: A first housing includes a base plate, a peripheral wall, and a swivel bearing support structure, wherein the base plate has a first side and a second side disposed opposite to each other, the peripheral wall and the second side of the base plate define an accommodating space, and the swivel bearing support structure is disposed on the first side of the base plate. A control module is disposed on the second side of the base plate and located within the accommodating space; and A first liquid-cooled module is disposed on the second side of the base plate and located within the accommodating space, and is configured to dissipate heat from the control module; and A motor is structurally and electrically connected to the drive controller for driving according to the control of the drive controller, wherein an axis of the motor is coaxial or parallel to an axis of the drive controller, and the motor includes: A second housing is assembled with the first housing and includes a housing tube wall, a hollow portion, a first port and a second port, wherein the first port and the second port are disposed at two opposite ends of the housing tube wall and are respectively connected to the hollow portion; A front cover is assembled to the first port of the second housing; A rotor assembly is disposed in the hollow portion and includes a rotating shaft, wherein a first end of the rotating shaft is adjacent to the front cover, and a second end of the rotating shaft is disposed in the rotating bearing support structure of the first housing through the second port; A stator assembly, disposed in the hollow portion and surrounding the rotor assembly; and A second liquid cooling module is disposed inside the housing tube wall and is structured to dissipate heat from the stator assembly and the rotor assembly, wherein the first liquid cooling module and the second liquid cooling module are connected and assembled.

2. The integrated motor drive controller system as described in claim 1, characterized in that, The bottom plate, the peripheral wall, and the bearing support structure of the first housing are integrally formed as a single piece.

3. The integrated motor drive controller system as described in claim 1, characterized in that, The first housing also includes a receiving groove and a through hole. The receiving groove is recessed on the second side of the base plate, and the through hole penetrates the base plate and is provided between the receiving groove and the bearing support structure. The drive controller also includes a sensing module, which is disposed in the receiving groove and is configured to detect a rotation angle of the motor shaft through the through hole.

4. The integrated motor drive controller system as described in claim 3, characterized in that, The sensing module includes a corner cutter disposed within the receiving groove and aligned with the second end of the rotating shaft through the perforation, thereby enabling it to detect the rotation angle of the rotating shaft.

5. The integrated motor drive controller system as described in claim 3, characterized in that, The controller also includes a pressure plate, which is assembled to the second side of the base plate and is structured to seal and fix the sensing module in the receiving groove, wherein the control module is disposed above the pressure plate.

6. The integrated motor drive controller system as described in claim 1, characterized in that, The swivel bearing support structure includes an annular rib and a supporting recess. The annular rib protrudes from the first side of the base plate, and the annular rib and the first side of the base plate define the supporting recess. The second end of the swivel shaft is disposed in the supporting recess. The motor also includes a bearing, which is sleeved on the second end of the swivel shaft and accommodated in the supporting recess of the swivel bearing support mechanism.

7. The integrated motor drive controller system as described in claim 1, characterized in that, The drive controller includes a first flow channel connection port connected to the first liquid cooling module and located in the first housing. The motor includes a second flow channel connection port connected to the second liquid cooling module and located in the second housing. The integrated motor drive controller system also includes a liquid cooling module adapter element connected to the first flow channel connection port and the second flow channel connection port to enable the first liquid cooling module of the drive controller to be connected to the second liquid cooling module of the motor.

8. The integrated motor drive controller system as described in claim 1, characterized in that, The first liquid cooling module includes a water channel inlet, a water channel base, and a water channel outlet. The water channel inlet is located on the second side of the base plate, the water channel outlet is located on the second side of the base plate, and the water channel base is located between the control module and the base plate. The water channel inlet, the water channel base, and the water channel outlet are sequentially connected.

9. The integrated motor drive controller system as described in claim 1, characterized in that, The stator assembly includes a stator core, multiple flat wire windings, and a bus assembly. The multiple flat wire windings are respectively disposed in multiple winding slots of the stator core. The bus assembly is disposed at one end of the stator core and electrically connected to at least a portion of the multiple flat wire windings.

10. The integrated motor drive controller system as described in claim 1, characterized in that, The drive controller also includes a cover plate that is assembled to the first housing and is positioned to close a port of the first housing.

11. The integrated motor drive controller system as described in claim 1, characterized in that, The control module includes multiple insulated gate bipolar transistors and at least one printed circuit board.

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