Motor controller structure, motor and vehicle

Abstract

The utility model provides a motor controller structure, a motor and a vehicle, and relates to the technical field of motor controllers, the motor controller structure comprises a box body connected with a motor shell, and a mounting cavity is formed in the box body; the integrated circuit board is arranged in the mounting cavity; the controller assembly comprises a control module and a driving module, and the control module and the driving module are integrated on the integrated circuit board at the same time. According to the motor controller structure, the control module and the driving module are integrated on the same integrated circuit board at the same time, the structure is compact, connecting wire harnesses and connecting devices are reduced, the space utilization rate in the controller is improved, the cost is reduced, and the vibration resistance of the integrated circuit board is improved; and the overall integration level, reliability and power density are improved.

Description

Technical Field

[0001] The present application relates to the technical field of motor controllers, and in particular to a motor controller structure, a motor and a vehicle. Background Art

[0002] The electrification, intelligence and networking of the new energy vehicle market are developing in an all-round way. The motor and electronic control industry has attracted attention from all walks of life. High-performance electric drive system technology has developed rapidly, and higher requirements have been put forward for high integration and EMC performance (ElectroMagnetic Compatibility) design. The high efficiency of drive system control and high power density have gradually become the mainstream direction of electric drive system design.

[0003] As the cost and weight of the entire machine assembly increase, the direct impact is the requirement for higher integration. However, the overall layout design of traditional motor controllers is unreasonable, the internal space utilization rate is low, and it cannot meet the requirements of high integration. Utility Model Content

[0004] In view of this, the present application aims to propose a motor controller structure, a motor and a vehicle to solve the problems of low internal space utilization and low integration of traditional motor controllers.

[0005] To achieve the above purpose, the technical solution of this application is implemented as follows:

[0006] A motor controller structure includes: a box body connected to a motor housing, wherein an installation cavity is formed inside the box body; an integrated circuit board is arranged in the installation cavity; a controller component includes a control module and a drive module, wherein the control module and the drive module are integrated on the integrated circuit board at the same time.

[0007] Furthermore, a shielding structure is provided in the installation cavity, and the shielding structure separates the installation cavity into a first area and a second area which are independent of each other;

[0008] The controller assembly also includes a capacitor, a power module, and a circuit protection device;

[0009] The circuit protection device is arranged in the first area, and the capacitor, the integrated circuit board, and the power module are all arranged in the second area.

[0010] Further, the integrated circuit board includes a first mounting portion and a second mounting portion, and the second mounting portion is relatively far away from the first area relative to the first mounting portion;

[0011] The control module is mounted on the first mounting portion, the driving module is mounted on the second mounting portion, and the power module is arranged corresponding to the driving module.

[0012] Furthermore, the controller component also includes a first filter module, and the first filter module is integrated with the capacitor.

[0013] Furthermore, the capacitor includes a capacitor body and two first copper bars;

[0014] The first copper busbar comprises a main body, an input end and an output end, wherein the main body is arranged at one side of the capacitor body and connected to the capacitor body, the input end is connected to the main body and extends toward a first direction; the output end is connected to a side of the main body away from the input end and extends toward a second direction, the second direction being opposite to the first direction; the main bodies of the two first copper busbars are symmetrically arranged about the capacitor body;

[0015] The first filtering module includes a magnetic ring and two first capacitors with the same capacitance; the magnetic ring is arranged on one side of the capacitor body, and the input ends of the two first copper bars pass through the interior of the magnetic ring; the two first capacitors are respectively connected to the two first copper bars, and the two first capacitors are symmetrically distributed.

[0016] Furthermore, the controller component also includes a current input module and a second filter module, the second filter module is integrated with the current input module, and the current input module is connected to the capacitor.

[0017] Furthermore, the current input module includes two second copper bars, which are respectively connected to the two first copper bars; the second filtering module includes two second capacitors with the same capacitance, which are symmetrically arranged on both sides of the two second copper bars, and the two second capacitors are respectively connected to the two second copper bars.

[0018] Furthermore, a heat dissipation water channel is arranged in the box body, and a water inlet and a water outlet communicated with the heat dissipation water channel are arranged on the box body; cooling water flows through the heat dissipation water channel, and the heat dissipation water channel is arranged corresponding to the position of the capacitor and the power module, and an outer wall on one side of the heat dissipation water channel is in close contact with the capacitor and the power module.

[0019] Compared with the prior art, the motor controller structure described in this application has the following advantages:

[0020] (1) The motor controller structure described in the present application includes a housing, an integrated circuit board and a controller component, wherein the housing is connected to the motor housing, and an installation cavity is formed inside the housing; the integrated circuit board is arranged in the installation cavity; the controller component includes a control module and a drive module, and the control module and the drive module are integrated on the integrated circuit board at the same time; the present application integrates the control module and the drive module on the same integrated circuit board at the same time, which has a compact structure, reduces the connection harness and connection devices, improves the space utilization inside the controller, helps to reduce costs and improve the vibration resistance of the integrated circuit board, and improves the overall integration, reliability, power density and ease of operation.

[0021] (2) The motor controller structure described in the present application divides the installation cavity into two independent first and second areas by setting a shielding structure, arranges the circuit protection device in the first area, and arranges the capacitor, the integrated circuit board and the power module in the second area, thereby achieving effective separation between the high-voltage working components and the low-voltage working components, and the spatial layout is reasonable, avoiding the problem of interference between high and low voltage signals.

[0022] (3) The motor controller structure described in the present application, the integrated circuit board includes a first mounting portion and a second mounting portion, the second mounting portion is relatively far away from the first area relative to the first mounting portion; the control module is mounted on the first mounting portion, the drive module is mounted on the second mounting portion, and the power module is arranged corresponding to the drive module; the present application further avoids the problem of high and low voltage signal interference by reasonably arranging the installation positions of the drive module and the control module on the integrated circuit board, so that the drive module is far away from the circuit protection device.

[0023] The present application also proposes a motor, which includes the motor controller structure as described above.

[0024] Furthermore, the motor also includes a motor housing and a motor body arranged in the motor housing, the motor controller structure is integrated on the motor housing, and the box of the motor controller structure is connected to the motor housing.

[0025] Compared with the prior art, the motor described in this application has the following advantages:

[0026] The motor described in the present application has a motor controller structure integrated on the motor housing, and the box of the motor controller structure is connected to the motor housing to form an integral shell, which improves the vibration resistance and equipotential balance of the structural assembly and achieves a highly integrated assembly layout.

[0027] The present application also proposes a vehicle, which includes the motor controller structure as described above, or includes the motor as described above.

[0028] The advantages of the vehicle and the above-mentioned motor controller structure over the prior art are the same and will not be repeated here. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] The drawings constituting a part of the present application are used to provide a further understanding of the present application. The illustrative embodiments and descriptions of the present application are used to explain the present application and do not constitute an improper limitation on the present application. In the drawings:

[0030] Figure 1 An exploded view of the motor controller structure described in an embodiment of the present application;

[0031] Figure 2 This is a schematic diagram of the external structure of the motor controller structure described in an embodiment of the present application;

[0032] Figure 3 A schematic diagram of the internal structure of the motor controller structure described in an embodiment of the present application;

[0033] Figure 4 A schematic diagram of the internal partitioning of the motor controller structure described in an embodiment of the present application;

[0034] Figure 5 A schematic diagram of the structure of a DC-Link capacitor in a motor controller structure according to an embodiment of the present application;

[0035] Figure 6 It is a schematic diagram of the arrangement of two first copper bars in the motor controller structure described in an embodiment of the present application;

[0036] Figure 7 A schematic diagram of the arrangement of the first capacitor in the motor controller structure described in an embodiment of the present application;

[0037] Figure 8 A filter circuit schematic diagram of the motor controller structure described in an embodiment of the present application;

[0038] Fig. 9 The structure of the heat dissipation channel in the motor controller structure described in the embodiment of the present application is schematically shown. Figure 1 ;

[0039] Fig.10 The structure of the heat dissipation channel in the motor controller structure described in the embodiment of the present application is schematically shown. Figure 2 ;

[0040] Fig.11 The structure of the AC three-phase output module in the motor controller structure described in the embodiment of the present application is shown in FIG. Figure 1 ;

[0041] Fig.12 The structure of the AC three-phase output module in the motor controller structure described in the embodiment of the present application is shown in FIG. Figure 2 .

[0042] Description of reference numerals:

[0043] 1. Box body; 101. Water inlet; 102. Water outlet; 103. Sealing cover; 104. Guide ribs; 105. Three-phase cover; 2. Installation cavity; 201. First area; 202. Second area; 3. Integrated circuit board; 301. First installation part; 302. Second installation part; 4. DC high-voltage connector; 5. DC input module; 6. DC-Link capacitor; 601. Input end of the first copper bar; 602. Output end of the first copper bar; 603. Capacitor body; 604. Magnetic ring; 605. First capacitor; 606. First grounding copper bar; 7. IGBT module; 8. AC three-phase output module; 801. Three-phase copper bar; 802. Guardrail; 9. DC fuse; 10. Battery heater and air-conditioning compressor high-voltage connector; 11. Shielding wall; 12. Heat dissipation channel. DETAILED DESCRIPTION

[0044] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application may be combined with each other.

[0045] In addition, the directions or positional relationships indicated by "upper", "lower", "left", "right", "front", "back", etc. mentioned in the embodiments of the present application are based on the directions or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as limiting the present application. In addition, relational terms such as "first" and "second" are merely used to distinguish one entity from another, and do not necessarily require or imply any such actual relationship or order between these entities, nor can they be understood as indicating or implying relative importance.

[0046] The present application will be described in detail below with reference to the accompanying drawings and in combination with embodiments.

[0047] See also Figure 1 A motor controller structure includes: a box body 1 connected to a motor housing, wherein an installation cavity 2 is formed inside the box body 1; an integrated circuit board 3 is arranged in the installation cavity 2; a controller component includes a control module and a drive module, wherein the control module and the drive module are integrated on the integrated circuit board 3 at the same time.

[0048] Specifically, the motor control structure includes a housing 1, an integrated circuit board 3 and a controller component. An installation cavity 2 is formed inside the housing 1, and the integrated circuit board 3 is installed in the installation cavity 2. The controller component includes a control module and a drive module, wherein the control module is mainly used to realize the adjustment and real-time monitoring of the motor rotation motion parameters, and the drive module is mainly used to drive the motor to operate. The control module and the drive module are integrated on the integrated circuit board 3 at the same time, so that the control and drive functions are integrated on the same circuit board. Compared with the method of separately setting the control circuit board and the drive circuit board in the conventional controller structure, the connection harness and connection devices are reduced, the internal structure of the controller is simplified, and the space utilization rate is improved, which helps to reduce costs and improve the vibration resistance of the circuit board, and improve the overall integration, reliability, power density and ease of operation.

[0049] In actual applications, the motor controller structure is integrated on the motor housing and is located on one side of the motor body. The box body 1 of the motor controller structure is fixed and connected to the motor housing with bolts all around, which improves the vibration resistance and equipotential balance of the assembly, eliminates the rear cover plate in the traditional independent electric control structure, adopts a common shell design, and seals with the motor housing, which makes full use of the internal space of the motor, reduces the size and weight of the electric drive system in the vehicle, realizes a highly integrated assembly layout, greatly saves costs and improves space utilization.

[0050] Furthermore, a shielding structure is provided in the installation cavity 2, and the shielding structure separates the installation cavity 2 into a first area 201 and a second area 202 which are independent of each other; the controller component also includes a capacitor, a power module and a circuit protection device; the circuit protection device is arranged in the first area 201, and the capacitor, the integrated circuit board 3 and the power module are all arranged in the second area 202.

[0051] Specifically, the controller assembly further includes a current input module, a capacitor, a power module, a circuit protection device, and a current output module, wherein the current input module, the capacitor, the power module, and the current output module are connected in sequence, and the circuit protection device is connected to the capacitor. Figure 1 As shown, in this embodiment, the current input module is a DC input module 5 (DC, direct current), the capacitor is a DC-Link capacitor 6 (DC support capacitor), the power module is an IGBT module 7 (IGBT, insulated gate bipolar transistor), the circuit protection device is a DC fuse 9, and the current output module is an AC three-phase output module 8 (AC, alternating current). The current is input into the motor controller structure from the DC high-voltage connector 4, flows through the DC input module 5 and the DC-Link capacitor 6, and is inverted and output through the IGBT module 7 and the AC three-phase output module 8 to output the current required by the motor, and is transmitted to the motor.

[0052] See also Figure 4 The shielding structure includes a shielding wall 11, which separates the installation cavity 2 into a first area 201 and a second area 202 that are independent of each other. The DC fuse 9 is arranged in the first area 201, and the DC input module 5, the DC-Link capacitor 6, the integrated circuit board 3, the IGBT module 7 and the AC three-phase output module 8 are all arranged in the second area 202. By setting the shielding wall 11, the devices with higher working voltage and the devices with lower working voltage are isolated, the structural design is optimized in a limited space, the near-field coupling and electromagnetic interference between the devices are avoided, and the EMC performance of the electric control is improved.

[0053] In practical applications, the shielding wall 11 may be made of an aluminum alloy plate or a plate-shaped structure made of other suitable materials.

[0054] Furthermore, the integrated circuit board 3 includes a first mounting portion 301 and a second mounting portion 302, and the second mounting portion 302 is relatively far away from the first area 201 relative to the first mounting portion 301; the control module is installed on the first mounting portion 301, the driving module is installed on the second mounting portion 302, and the power module is arranged corresponding to the driving module.

[0055] like Figure 4 As shown, the top view of the installation cavity 2 is circular, the left side of the shielding wall 11 is the first area 201, which is located at the upper left corner of the circular installation cavity 2, and the right side of the shielding wall 11 is the second area 202, wherein the DC input module 5 and the DC-Link capacitor 6 are installed in the second area 202 and are located at the top, and the integrated circuit board 3, the IGBT module 7 and the AC three-phase output module 8 are installed in the second area 202 and are located at the bottom. The integrated circuit board 3 also includes a first installation part 301 and a second installation part 302, wherein the first installation part 301 is located at the lower left side of the integrated circuit board 3, close to the first area 201, and the second installation part 302 is located at the upper right side of the integrated circuit board 3, which is farther away from the first area 201 than the first installation part 301, the control module is installed in the first installation part 301, the drive module is installed in the second installation part 302, and the IGBT module 7 is arranged corresponding to the drive module. Since the operating voltage of the DC fuse 9 is relatively high, while the operating voltage of the driving module is relatively low, the above configuration can keep the driving module as far away from the DC fuse 9 as possible, thereby minimizing signal interference between high and low voltages and further ensuring EMC performance.

[0056] Furthermore, the controller component also includes a first filter module, and the first filter module is integrated with the capacitor.

[0057] The capacitor includes a capacitor body 603 and two first copper bars; the first copper bars include a main body, an input end and an output end, the main body is arranged on one side of the capacitor body 603 and connected to the capacitor body 603, the input end is connected to the main body and extends in a first direction; the output end is connected to a side of the main body away from the input end and extends in a second direction, and the second direction is opposite to the first direction; the main bodies of the two first copper bars are symmetrically arranged about the capacitor body 603.

[0058] The first filtering module includes a magnetic ring 604 and two first capacitors 605 with the same capacitance; the magnetic ring 604 is arranged on one side of the capacitor body 603, and the input ends 601 of the two first copper bars pass through the interior of the magnetic ring 604; the two first capacitors 605 are respectively connected to the two first copper bars, and the two first capacitors 605 are symmetrically distributed.

[0059] Specifically, the two first copper bars have the same structure, serving as the positive copper bar and the negative copper bar respectively, and are arranged on both sides of the capacitor body 603 and connected to the capacitor body 603. The first copper bar includes an integrally formed main body, an input end 601 and an output end 602. The main bodies of the two first copper bars are symmetrically arranged on both sides of the capacitor body 603, the main body is connected to the capacitor body 603, the input end is connected to the DC input module 5, and the output end is connected to the IGBT module 7. The input end 601 and the output end 602 are located on opposite sides of the main body and extend in opposite directions. Compared with the arrangement of the input and output ends on the same side or adjacent sides in the conventional technology, the mutual coupling interference between the input and output copper bars can be effectively reduced.

[0060] The first filtering module includes a nanocrystalline magnetic ring 604 and two first capacitors 605 with the same capacitance, and the first capacitors 605 are Y capacitors. Figure 6 , two first capacitors 605 are arranged on one side of the capacitor body 603, close to the output ends 602 of the two first copper bars, and are respectively connected to the output ends 602 of the two first copper bars through welding pins. The welding pins of the two first capacitors 605 are arranged symmetrically, keeping the interference impedance path symmetrical and consistent, and because the first capacitors 605 are close to the output end 602 of the first copper bar, the length of the welding pin can be guaranteed to be short as much as possible, which is conducive to shortening the impedance of the filter path. A first grounding copper bar 606 is arranged on one side of the two first capacitors 605 away from the capacitor body 603, and the two first capacitors 605 are simultaneously connected to the first grounding copper bar 606 through welding pins, and the welding pins also keep a symmetrical arrangement.

[0061] The magnetic ring 604 is arranged on one side of the capacitor body 603, and the input ends 601 of the two first copper bars pass through the inside of the magnetic ring 604 side by side, so that the magnetic ring 604 is tightly surrounded by the input ends 601 of the two first copper bars, maintaining a compact structure, reducing the overall weight and cost, giving full play to the EMC filtering performance, and avoiding the problem of near-field electromagnetic coupling between the input and output of the filtering loop.

[0062] The capacitor body 603 and the first filter module are simultaneously arranged inside the capacitor housing. By filling the housing with potting glue, the capacitor body 603, the first filter module and the capacitor housing are connected to form a whole, thereby ensuring device reliability and improving structural integration.

[0063] Furthermore, the controller component also includes a current input module and a second filter module, the second filter module is integrated with the current input module, and the current input module is connected to the capacitor.

[0064] The current input module includes two second copper bars, which are respectively connected to the two first copper bars; the second filtering module includes two second capacitors with the same capacitance, which are symmetrically arranged on both sides of the two second copper bars, and the two second capacitors are respectively connected to the two second copper bars.

[0065] Specifically, the two second copper bars are respectively the positive copper bar and the negative copper bar of the DC input module 5, and the two second copper bars are respectively connected to the two first copper bars of the DC-Link capacitor 6. The second filtering module includes two second capacitors with the same capacitance, the second capacitor is a Y capacitor, and the two second capacitors are symmetrically arranged on both sides of the two second copper bars, and are respectively connected to the two second copper bars by welding pins. The welding pins of the two second capacitors are symmetrically arranged and the length is kept as short as possible, which can effectively prevent the conversion effect of differential mode interference. At the same time, two second grounding copper bars are also provided corresponding to the two second capacitors, and the two second capacitors are respectively connected to the corresponding second grounding copper bars by welding pins, and the welding pins are also kept symmetrically arranged.

[0066] Through the above settings, the DC input module 5 is connected to the DC-Link capacitor 6 and the DC high-voltage connector 4, and the magnetic ring 604, the first capacitor 605 and the second capacitor cooperate with each other to form a CLC type filtering topology structure. By setting the matching parameters between the four Y capacitors and the magnetic ring 604, the disturbance current interference in different frequency bands can be filtered and suppressed respectively, and finally an effective filtering capability can be achieved to improve the EMC performance. In addition, by setting a first grounding copper bus 606 and two second grounding copper buses, three independent grounding points are formed, which can effectively avoid the coupling crosstalk before and after filtering.

[0067] Furthermore, a heat dissipation water channel 12 is provided in the box body 1, and a water inlet 101 and a water outlet 102 communicated with the heat dissipation water channel 12 are provided on the box body 1; cooling water flows through the heat dissipation water channel 12, and the heat dissipation water channel 12 is arranged corresponding to the positions of the capacitor and the power module, and an outer wall on one side of the heat dissipation water channel 12 is in close contact with the capacitor and the power module.

[0068] Specifically, the position of the heat dissipation water channel 12 corresponds to the position of the DC-Link capacitor 6 and the IGBT module 7. The housing 1 is provided with a water inlet 101 and a water outlet 102 which are in communication with the heat dissipation water channel 12. The cooling water enters the heat dissipation water channel 12 through the water inlet 101 and flows along the heat dissipation water channel 12. During the flow, the cooling water exchanges heat with the high-temperature DC-Link capacitor 6 and the IGBT module 7, thereby cooling the DC-Link capacitor 6 and the IGBT module 7. The outer wall of one side of the heat dissipation water channel 12 is in close contact with the DC-Link capacitor 6 and the IGBT module 7, which can reduce thermal resistance and improve heat exchange efficiency. At the same time, since the cooling surface of the capacitor body 603 in the DC-Link capacitor 6 is flush with the cooling surface of the magnetic ring 604, the side wall of the heat dissipation water channel 12 is in close contact with the cooling surfaces of the capacitor body 603 and the magnetic ring 604 at the same time, so that the capacitor body 603 and the magnetic ring 604 can be cooled at the same time. The cooling water after heat exchange finally flows out from the water outlet 102 , and the water outlet 102 can be directly connected to the water inlet of the motor body, thereby improving the integration of the assembly.

[0069] During actual processing, a groove can be processed on the outer side of the box body 1, and the internal space of the groove forms a heat dissipation water channel 12 for cooling water to flow. A sealing cover plate 103 is welded at the opening of the groove to seal the heat dissipation water channel 12, prevent the cooling water from accidentally penetrating into the interior of the box body 1, and improve the reliability of the internal components.

[0070] Furthermore, the water inlet 101 is arranged on the outside of the box body 1 and directly facing the capacitor.

[0071] Specifically, the water inlet 101 is arranged opposite to the DC-Link capacitor 6 , and the cooling water is directly injected into the heat dissipation water channel 12 at a high speed to form a jet. The fluid flow rate is high, and strong turbulence is formed, thereby enhancing the heat dissipation capacity of the DC-Link capacitor 6 .

[0072] Furthermore, a plurality of guide fins 104 are provided in the heat dissipation water channel 12, and the plurality of guide fins 104 extend along the flow direction of the cooling water. By providing the guide fins 104, the heat dissipation can be enhanced while guiding the flow of the cooling water.

[0073] Furthermore, the AC three-phase output module 8 includes a three-phase copper bar 801, the input end of the three-phase copper bar 801 is connected to the IGBT module 7, and the output end of the three-phase copper bar 801 is connected to the three-phase input module of the motor body, preferably connected in a soft connection manner to absorb dimensional tolerances and facilitate assembly. The AC three-phase output module 8 is fixed in the installation cavity 2 by bolts. To further facilitate installation, a guardrail 802 is provided between the box body 1 and each phase copper bar of the three-phase copper bar 801. The guardrail 802 is provided corresponding to the installation position of the bolt, and the shape is provided as a ring, which can prevent the bolt from accidentally falling into the motor controller and the motor during the installation process.

[0074] In addition, the motor controller structure integrates the PDU (power distribution) function and the safety protection function of overcurrent insurance. Its control module has the power supply function of the battery heater and air-conditioning compressor, serving as an auxiliary power supply module, which reduces the overall cost for the entire vehicle.

[0075] The motor controller structure described in the embodiment of the present application integrates the control module and the drive module into one circuit board through the integrated circuit board 3, which reduces the connection and use of connectors and wiring harnesses, helps to reduce costs and improve the vibration resistance of the circuit board, and improves the overall power density and reliability; the layout design of the motor controller is reasonably carried out in combination with the different working states of the internal high and low voltage devices, and the high and low voltage partition isolation is realized, avoiding the interference problem between the high and low voltage signals; in combination with the heat dissipation and temperature resistance of the device, a heat dissipation water channel 12 is set to cool the capacitor and the power module to improve the heat dissipation condition; in addition, by integrating the capacitor with the first filter module, the current input module with the second filter module, and the filtering functions are used in coordination with each other, filtering suppression of different frequency bands is realized. Compared with the conventional electric control structure, the motor controller structure described in the embodiment of the present application has the advantages of high integration, high power density, better heat dissipation effect, better EMC performance and NVH (noise, vibration and harshness) performance.

[0076] The present application also proposes a motor, which includes the motor controller structure as described above.

[0077] Furthermore, the motor further comprises a motor housing and a motor body arranged in the motor housing, the motor controller structure is integrated on the motor housing, and the housing 1 of the motor controller structure is connected to the motor housing.

[0078] In actual applications, the motor controller structure is integrated on the motor housing and is located on one side of the motor body. The box body 1 of the motor controller structure is fixed and connected to the motor housing with bolts all around to achieve a common shell design, improve the vibration resistance reliability and equipotential balance of the assembly, reduce the size and weight of the electric drive system in the vehicle, achieve a high degree of integration of the assembly layout, greatly save costs and improve space utilization.

[0079] The present application also proposes a vehicle, which includes the motor controller structure as described above, or includes the motor as described above.

[0080] In practical applications, the suspension mounting point of the whole vehicle can be set on the box 1 of the motor controller structure, as close as possible to the suspension mounting position of the whole vehicle to reduce the cantilever size of the whole vehicle suspension, optimize the assembly mounting structure, and improve the assembly modal and NVH effects.

[0081] The above description is only a preferred embodiment of the present application and is not intended to limit the present application. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present application should be included in the protection scope of the present application.

Claims

1. A motor controller structure, characterized in that: include: A box body is connected to the motor housing, and an installation cavity is formed inside the box body; An integrated circuit board is arranged in the mounting cavity; The controller component comprises a control module and a driving module, wherein the control module and the driving module are integrated on the integrated circuit board at the same time.

2. The motor controller structure according to claim 1, characterized in that: A shielding structure is provided in the installation cavity, and the shielding structure separates the installation cavity into a first area and a second area which are independent of each other; The controller assembly also includes a capacitor, a power module, and a circuit protection device; The circuit protection device is arranged in the first area, and the capacitor, the integrated circuit board, and the power module are all arranged in the second area.

3. The motor controller structure according to claim 2, characterized in that: The integrated circuit board comprises a first mounting portion and a second mounting portion, wherein the second mounting portion is relatively far away from the first area relative to the first mounting portion; The control module is mounted on the first mounting portion, the driving module is mounted on the second mounting portion, and the power module is arranged corresponding to the driving module.

4. The motor controller structure according to claim 2, characterized in that: The controller assembly further includes a first filter module, and the first filter module is integrated with the capacitor.

5. The motor controller structure according to claim 4, characterized in that: The capacitor comprises a capacitor body and two first copper bars; The first copper busbar comprises a main body, an input end and an output end, the main body is arranged at one side of the capacitor body and connected to the capacitor body, the input end is connected to the main body and extends toward the first direction; The output end is connected to a side of the main body away from the input end and extends toward a second direction, the second direction being opposite to the first direction; the main bodies of the two first copper bars are symmetrically arranged with respect to the capacitor body; The first filtering module includes a magnetic ring and two first capacitors with the same capacitance; The magnetic ring is arranged on one side of the capacitor body, and the input ends of the two first copper bars pass through the interior of the magnetic ring; The two first capacitors are respectively connected to the two first copper bars, and the two first capacitors are symmetrically distributed.

6. The motor controller structure according to claim 5, characterized in that: The controller component further includes a current input module and a second filter module, wherein the second filter module is integrated with the current input module, and the current input module is connected to the capacitor.

7. The motor controller structure according to claim 6, characterized in that: The current input module includes two second copper bars, and the two second copper bars are respectively connected to the two first copper bars; The second filtering module includes two second capacitors with the same capacitance, the two second capacitors are symmetrically arranged on both sides of the two second copper bars, and the two second capacitors are respectively connected to the two second copper bars.

8. The motor controller structure according to claim 2, characterized in that: A heat dissipation water channel is arranged in the box body, and a water inlet and a water outlet communicated with the heat dissipation water channel are arranged on the box body; cooling water flows through the heat dissipation water channel, and the heat dissipation water channel is arranged corresponding to the positions of the capacitor and the power module, and an outer wall on one side of the heat dissipation water channel is in close contact with the capacitor and the power module.

9. A motor, characterized in that: The invention comprises a motor controller structure as claimed in any one of claims 1 to 8.

10. A vehicle, characterized in that: The method comprises a motor controller structure as claimed in any one of claims 1 to 8, or a motor as claimed in claim 9.

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