Integrated capacitors, motor controllers and vehicles

Abstract

The present disclosure relates to an integrated capacitor, a motor controller and a vehicle. The integrated capacitor includes a first capacitor busbar and a second capacitor busbar with opposite polarities and arranged relatively to each other. The first capacitor busbar is provided with a first receiving groove, and the second capacitor busbar is provided with a second receiving groove arranged relatively to the first receiving groove. The first receiving groove and the second receiving groove together form a receiving space for receiving components in the motor controller. By arranging the components in the motor controller in the receiving space formed on the integrated capacitor, the space between the two capacitor busbars can be effectively utilized, the space utilization rate can be improved, and the overall structure can be more compact. Moreover, by arranging the components in the receiving space formed by the capacitor busbar, it is convenient to fix the components by the capacitor busbar, reducing the setting of the fixing parts or brackets, and the capacitor busbar can also be used to realize the electrical connection between the components, simplifying the layout of the circuit.

Description

Technical Field

[0001] The present disclosure relates to the technical field of integrated capacitors, and in particular, to an integrated capacitor, a motor controller and a vehicle. Background Art

[0002] The motor controller is an integrated circuit that actively controls the motor to work in the set direction, speed, angle, and response time. In electric vehicles, the function of the motor controller is to convert the electric energy stored in the power battery into the electric energy required to drive the motor according to the gear position, throttle, brake and other instructions to control the start-up, forward and backward speed, climbing strength and other driving conditions of the electric vehicle, or to help the electric vehicle brake and store part of the braking energy in the power battery. It is one of the key components of electric vehicles. The capacitor component is one of the core components in the motor controller. The capacitor component not only needs to play the role of energy storage and filtering for the inverter process of the two-way inverter circuit, but also needs to provide power supply output function for the external power distribution. The capacitor component that can meet these functions at the same time is relatively large in size, which not only increases the space of the entire motor controller, but also increases the cost of intermediate assembly and mold opening. Summary of the invention

[0003] The purpose of the present disclosure is to provide an integrated capacitor with a compact structure and a small size, which can save space in a motor controller.

[0004] In order to achieve the above-mentioned objectives, the present disclosure provides an integrated capacitor, a motor controller and a vehicle, wherein the integrated capacitor includes a first capacitor busbar and a second capacitor busbar with opposite polarities and arranged opposite to each other, the first capacitor busbar is provided with a first accommodating groove, the second capacitor busbar is provided with a second accommodating groove arranged opposite to the first accommodating groove, the first accommodating groove and the second accommodating groove together form an accommodating space for accommodating components in the motor controller.

[0005] Optionally, the first capacitor busbar is configured as a first concave structure, and the recessed portion of the first concave structure is formed as the corresponding first accommodating groove; the second capacitor busbar is configured as a second concave structure, and the recessed portion of the second concave structure is formed as the corresponding second accommodating groove.

[0006] Optionally, the first capacitor busbar includes a first busbar and a second busbar that are spaced apart, a first capacitor is arranged between the first busbar and a first portion of the second capacitor busbar, and a second capacitor is arranged between the second busbar and a second portion of the second capacitor busbar.

[0007] Optionally, one end of the integrated capacitor is provided with a positive input connector for connecting to the positive pole of the power supply and a negative input connector for connecting to the negative pole of the power supply. The integrated capacitor also includes a magnetic ring, a first Y capacitor and a second Y capacitor. The positive input connector passes through the magnetic ring to be connected to the first busbar, and the negative input connector passes through the magnetic ring to be connected to the second capacitor busbar. Both ends of the first Y capacitor and the second Y capacitor are electrically connected to the positive input connector and the negative input connector respectively. Along the axial direction of the magnetic ring, the first Y capacitor and the second Y capacitor are respectively arranged on both sides of the magnetic ring, or the first Y capacitor and the second Y capacitor are passed through the magnetic ring.

[0008] According to another aspect of the present disclosure, a motor controller is provided. The motor controller includes the above-mentioned integrated capacitor and integrated inductor. The integrated inductor is connected to the integrated capacitor, and the integrated inductor is arranged in the accommodating space.

[0009] Optionally, the motor controller further includes a first power module and a second power module connected in parallel, the first power module and the second power module are connected side by side at the opening of the accommodating space, and the first power module and the second power module arranged side by side are arranged back to back with the integrated inductor.

[0010] Optionally, the integrated capacitor also includes a first connector, the first connector includes a first input terminal, a second input terminal, a first output terminal and a second output terminal, the first input terminal and the second input terminal are both connected to the integrated inductor, and the first output terminal and the second output terminal are both connected to the first power module.

[0011] Optionally, the integrated inductor includes a first inductor and a second inductor, the first end of the first inductor and the first end of the second inductor are connected to the second busbar of the integrated capacitor; the second end of the first inductor is connected to the first input end of the first connector, and the second end of the second inductor is connected to the second input end of the first connector.

[0012] Optionally, the first power module includes a first phase bridge arm, a second phase bridge arm and a first bridge arm converter connected in parallel, the first output end of the first connector is electrically connected to the first phase bridge arm, and the second output end of the first connector is electrically connected to the second phase bridge arm;

[0013] The first phase bridge arm, the second phase bridge arm and the first end of the first bridge arm converter are all connected to the first busbar of the integrated capacitor;

[0014] The first phase bridge arm, the second phase bridge arm and the second end of the first bridge arm converter are all connected to the second capacitor busbar of the integrated capacitor;

[0015] The second power module includes a second bridge arm converter, and the first ends of the second bridge arm converter are connected to the first busbar of the integrated capacitor;

[0016] The second ends of the second bridge arm converters are connected to the second capacitor busbars of the integrated capacitor.

[0017] According to another aspect of the present disclosure, a vehicle is also provided, which includes a first motor, a second motor and the above-mentioned motor controller, the first motor is connected to the output end set on the first power module of the motor controller, the second motor is connected to the output end set on the second power module of the motor controller, and the motor controller is used to control the first motor and / or the second motor.

[0018] Through the above technical solution, by arranging the components in the motor controller in the accommodation space formed on the integrated capacitor, the space between the two capacitor busbars can be effectively utilized, reducing the extra space for accommodating the components, making the overall structure more compact. Moreover, arranging the components in the accommodation space formed by the capacitor busbar facilitates fixing the components through the capacitor busbar, reduces the setting of the fixing parts or brackets, facilitates further reducing the volume of the overall structure, saves production costs, and at the same time, can also use the capacitor busbar to achieve electrical connection between components, simplify the layout of the circuit, and further streamline the structure.

[0019] Other features and advantages of the present disclosure will be described in detail in the following detailed description. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The accompanying drawings are used to provide further understanding of the present disclosure and constitute a part of the specification. They are used to explain the present disclosure together with the following detailed description, but do not constitute a limitation of the present disclosure.

[0021] Figure 1 is a schematic diagram of a three-dimensional structure of an integrated capacitor according to an embodiment of the present disclosure;

[0022] Figure 2 is a schematic diagram of a three-dimensional structure of an integrated capacitor according to an embodiment of the present disclosure, wherein the capacitor is shown;

[0023] Figure 3 is a schematic diagram of a three-dimensional structure of an integrated capacitor installed with a housing according to an embodiment of the present disclosure;

[0024] Figure 4 is a schematic diagram of a three-dimensional structure of an integrated inductor of a motor controller according to an embodiment of the present disclosure;

[0025] Figure 5is a rear view schematic diagram of a motor controller according to an embodiment of the present disclosure;

[0026] Figure 6 Schematic diagram of a topology of a motor controller according to an embodiment of the present invention.

[0027] Description of Reference Numerals

[0028] 100-integrated capacitor; 10-first capacitor busbar; 11-first busbar; 12-second busbar; 13-first accommodating slot; 20-second capacitor busbar; 21-second accommodating slot; 25-first capacitor; 26-second capacitor; 15-accommodating space; 31-positive input connector; 32-negative input connector; 33-magnetic ring; 34-second connector; 35-first connector; 351-first input terminal; 352-second input terminal; 353-first output terminal; 354-second output terminal; 361-first A Y capacitor; 362-a second Y capacitor; 41-a first power module; 411-a first phase bridge arm; 412-a second phase bridge arm; 413-a first bridge arm converter; 42-a second power module; 421-a second bridge arm converter; 50-an integrated inductor; 51-a first inductor; 52-a second inductor; 60-positive and negative pins; 71-a negative terminal for high-voltage sampling; 72-a positive terminal for high-voltage sampling; 73-a common negative copper busbar; 74-a common positive copper busbar; 75-a three-phase output terminal for the power module; 200-a motor controller. DETAILED DESCRIPTION

[0029] The specific implementation of the present disclosure is described in detail below in conjunction with the accompanying drawings. It should be understood that the specific implementation described herein is only used to illustrate and explain the present disclosure, and is not used to limit the present disclosure.

[0030] In the present disclosure, unless otherwise stated, "inside" and "outside" refer to the inside of a cavity as "inside" and the outside of the cavity as "outside". In addition, the terms "first", "second", etc. used in the embodiments of the present disclosure are to distinguish one element from another and do not have order or importance.

[0031] In order to reduce the volume of the integrated capacitor 100 while meeting the requirements of the motor controller 200, in the present disclosure, Figure 1-5 As shown, an integrated capacitor 100 is provided, which includes a first capacitor busbar 10 and a second capacitor busbar 20 with opposite polarities and arranged opposite to each other. A first receiving slot 13 is provided on the first capacitor busbar 10, and a second receiving slot 21 arranged opposite to the first receiving slot 13 is provided on the second capacitor busbar 20. The first receiving slot 13 and the second receiving slot 21 together form a receiving space 15 for receiving components in a motor controller 200. The components in the motor controller 200 include an integrated inductor 50 and a power module for inversion and boosting.

[0032] By arranging the components in the motor controller 200 in the accommodation space 15 formed on the integrated capacitor 100, the space between the two capacitor busbars can be effectively utilized, and the additional space for accommodating the components can be reduced, making the overall structure more compact. Moreover, arranging the components in the accommodation space 15 formed by the capacitor busbars facilitates fixing the components through the capacitor busbars, reduces the setting of the fixing parts or brackets, facilitates further reducing the volume of the overall structure, saves production costs, and at the same time, the capacitor busbars can also be used to realize electrical connection between components, simplifying the layout of the circuits and further streamlining the structure.

[0033] In the present disclosure, there is no restriction on the position of the receiving slot on the capacitor busbar. For example, the receiving slot is provided at the end of the capacitor busbar. Figure 1-3 As shown, the first capacitor busbar 10 is configured as a first concave structure, and the recessed portion of the first concave structure is formed as a corresponding first accommodating groove 13; the second capacitor busbar 20 is configured as a second concave structure, and the recessed portion of the second concave structure is formed as a corresponding second accommodating groove 21.

[0034] By configuring the first capacitor busbar 10 and the second capacitor busbar 20 into a concave structure, the capacitor busbar can be arranged around the accommodation space 15, and then the capacitor busbar can be arranged around the components in the accommodation space 15, so that it is convenient to power the components in the accommodation space 15 through the capacitor busbar, reduce the layout of the lines, and also facilitate the fixing of the components in the accommodation space 15 through the capacitor busbar, reduce the setting of the fixing parts and the bracket, and simplify and reduce the overall structure. In addition, the capacitor busbar can also protect the components in the accommodation space 15 to a certain extent.

[0035] In order to provide capacitance for components such as the integrated inductor 50 and the functional modules disposed in the integrated capacitor 100, in one embodiment of the present disclosure, as Figure 1 As shown, the first capacitor busbar 10 includes a first busbar 11 and a second busbar 12 arranged at intervals. The second capacitor busbar 20 includes a first portion and a second portion. A first capacitor 25 is arranged between the first busbar 11 and the first portion of the second capacitor busbar 20, and a second capacitor 26 is arranged between the second busbar 12 and the second portion of the second capacitor busbar 20.

[0036] Therefore, the first capacitor busbar 10 and the second capacitor busbar 20 constitute two capacitors, the first capacitor 25 can be used for energy storage and filtering of the boost power module, and the second capacitor 26 can be used for energy storage and filtering of the inverter power module, thereby meeting the needs of the motor controller 200 with boost function.

[0037] In order to improve the anti-interference capability, in one embodiment of the present disclosure, Figure 1-2 As shown, one end of the integrated capacitor 100 is provided with a positive input connector 31 for connecting to the positive pole of the power supply and a negative input connector 32 for connecting to the negative pole of the power supply. The integrated capacitor 100 also includes a magnetic ring 33, a first Y capacitor 361 and a second Y capacitor 362. The positive input connector 31 passes through the magnetic ring 33 to connect to the first busbar 11. The negative input connector 32 passes through the magnetic ring 33 to connect to the second capacitor busbar 20. The two ends of the first Y capacitor 361 and the second Y capacitor 362 are electrically connected to the positive input connector 31 and the negative input connector 32, respectively. The first Y capacitor 361 and the second Y capacitor 362 are respectively arranged on both sides of the magnetic ring 33 along the axial direction of the magnetic ring 33, or the first Y capacitor 361 and the second Y capacitor 362 are penetrated through the magnetic ring 33.

[0038] Compared with the conventional technology in which the EMC (electromagnetic compatibility) adjustment component is externalized, which will increase the size of the device, in the present disclosure, by integrating the magnetic ring 33 and the first Y capacitor 361 and the second Y capacitor 362 on the DC input end of the integrated capacitor 100, the EMC of the entire device can be adjusted. At the same time, the arrangement of components and the connection of lines are simplified, making the overall structure more compact and facilitating the reduction of the size of the device.

[0039] In another aspect of the present disclosure, a motor controller 200 is provided. The motor controller 200 includes the above-mentioned integrated capacitor 100 and the integrated inductor 50 . The integrated inductor 50 is connected to the integrated capacitor 100 , and the integrated inductor 50 is disposed in the accommodating space 15 .

[0040] The motor controller 200 uses the above-mentioned integrated capacitor 100 to arrange the integrated inductor 50 in the accommodation space 15 formed on the integrated capacitor 100, which can effectively utilize the space between the two capacitor busbars, improve the space utilization rate, and make the overall structure more compact. Moreover, the integrated inductor 50 is arranged in the accommodation space 15 formed by the capacitor busbar, which is convenient for fixing the integrated inductor 50 by the capacitor busbar, reducing the setting of the fixing member or the bracket, and facilitating further reducing the volume of the overall structure of the motor controller 200. At the same time, it is also convenient to use the capacitor busbar to power the integrated inductor 50 and realize the electrical connection between the integrated inductor 50 and other components, simplifying the layout of the circuit, and further streamlining the structure of the motor control. Moreover, arranging the integrated inductor 50 close to the integrated capacitor 100 can not only reduce the use of copper bars, but also reduce parasitic inductance. The integrated capacitor 100 and the integrated inductor 50 are used in combination, so that the energy storage function of the assembly in the boost process is guaranteed.

[0041] In one embodiment of the present disclosure, Figure 5 and Figure 6As shown, the motor controller 200 also includes a first power module 41 and a second power module 42 connected in parallel, the first power module 41 and the second power module 42 are connected side by side at the opening of the accommodating space 15, and the first power module 41 and the second power module 42 arranged side by side are arranged back to back with the integrated inductor 50. Optionally, the first power module 41 and the second power module 42 are configured as a plate-like structure and connected side by side, and the first power module 41 and the second power module 42 connected side by side are overlapped on the opening of the accommodating space 15. In other words, the first power module 41 and the second power module 42 are stacked on the capacitor busbar. The capacitor busbar can be used to supply power to the first power module 41 and the second power module 42 while realizing the fixation of the power modules, and also facilitates the electrical connection of the power modules with other components.

[0042] The integrated inductor 50 is arranged in the accommodating space 15, and the first power module 41 and the second power module 42 are connected side by side at the opening of the accommodating space 15. This can effectively utilize the space remaining after the accommodating space 15 accommodates the integrated inductor 50, improve space utilization, and make the overall structure of the motor controller 200 more compact. The opening of the accommodating space 15 can be blocked by the first power module 41 and the second power module 42, thereby playing a certain protective role for the integrated capacitor 100.

[0043] The first capacitor 25 in the above-mentioned integrated capacitor 100 is connected in parallel with the first power module 41 and the integrated inductor 50, and the second capacitor 26 is connected in parallel with the second power module 42. The first power module 41 and the integrated inductor 50 are used to adjust the voltage, and the second power module 42 is used for inversion. The first capacitor 25 is used for energy storage and filtering of the first power module 41, and the second capacitor 26 is used for energy storage and filtering of the second power module 42.

[0044] In conventional technology, the output end of the power battery is directly connected to the inverter circuit. Therefore, the battery voltage output by the power battery must strictly meet the requirements of the inverter circuit. Therefore, the output voltage of the power battery needs to be controlled, and a voltage adjustment component needs to be added between the power battery and the capacitor component, which not only increases the cost, but also increases the assembly cost due to the difficulty in assembling the voltage adjustment component, the power battery and the capacitor component.

[0045] In the present application, by providing a first power module 41 and an integrated inductor 50 capable of adjusting the voltage, the voltage is adjusted and provided to the second power module 42 for inversion. Therefore, even when the DC bus input voltage is low and does not meet the DC bus voltage input of the inverter circuit, the inversion process can be completed. Moreover, compared with adding a voltage adjustment component between the power battery and the capacitor component, the voltage adjustment component is integrated on the integrated capacitor 100, which can minimize the increase in the structural volume while realizing the function of adjusting the voltage, and directly fix the power module on the capacitor busbar, which is simple to assemble and does not increase excessive assembly costs.

[0046] In the present disclosure, there is no limitation on how to realize the electrical connection between the integrated inductor 50 and the power module, for example, they can be connected by wires. Figure 1-3 As shown, the integrated capacitor 100 further includes a first connector 35, the first connector 35 includes a first input terminal 351, a second input terminal 352, a first output terminal 353, and a second output terminal 354, the first input terminal 351 and the second input terminal 352 are both connected to the integrated inductor 50, and the first output terminal 353 and the second output terminal 354 are both connected to the first power module 41. Optionally, the first connector 35 is routed along the contour of the first capacitor busbar 10 or the second capacitor busbar 20, and the second end of the first connector 35 extends to the back of the integrated inductor 50 to be in contact with the first power module 41.

[0047] The first power module 41 is electrically connected. By providing the first connector 35 to realize the electrical connection between the integrated inductor 50 and the power module, the connection point is more solid, the current transmission is more stable, and the subsequent glue filling operation is also convenient.

[0048] Optionally, in one embodiment of the present disclosure, Figure 4 and Figure 6 As shown, the integrated inductor 50 includes a first inductor 51 and a second inductor 52. The first end of the first inductor 51 and the first end of the second inductor 52 are connected to the second busbar 12 of the integrated capacitor 100. Optionally, the integrated capacitor 100 is further provided with a second connector 34, one end of the second connector 34 is connected to the second busbar 12, and the other end is connected to the first end of the first inductor 51 and the first end of the second inductor 52; the second end of the first inductor 51 is connected to the first input end 351 of the first connector 35, and the second end of the second inductor 52 is connected to the second input end 352 of the first connector 35.

[0049] An inductor and a one-phase bridge arm can be constructed into a voltage adjustment module. By setting the first inductor 51 and the second inductor 52, two voltage adjustment modules can be constructed with the two-phase bridge arms. When adjusting the voltage, the voltage adjustment efficiency can be improved by alternately controlling the two voltage adjustment modules.

[0050] The specific structure of the voltage adjustment component is not limited in the present disclosure, as long as the voltage is adjusted, such as Figure 6 As shown, the first power module 41 includes a first phase bridge arm 411, a second phase bridge arm 412 and a first bridge arm converter 413 for inversion, and the first output terminal 353 of the first connector 35 of the integrated capacitor 100 is electrically connected to the first phase bridge arm 411. Optionally, the first output terminal 353 is connected to the middle position of the first phase bridge arm 411.

[0051] The second output terminal 354 of the first connector 35 of the integrated capacitor 100 is electrically connected to the second phase bridge arm 412 . Optionally, the first output terminal 353 is connected to the middle position of the first phase bridge arm 411 .

[0052] The first ends of the first phase bridge arm 411, the second phase bridge arm 412 and the first bridge arm converter 413 are all connected to the first busbar 11 of the integrated capacitor 100. The second ends of the first phase bridge arm 411, the second phase bridge arm 412 and the first bridge arm converter 413 are all connected to the second capacitor busbar 20 of the integrated capacitor 100.

[0053] The second power module 42 includes a second bridge arm converter 421 , and the first end of the second bridge arm converter 421 is connected to the first busbar 11 of the integrated capacitor 100 . The second end of the second bridge arm converter 421 is connected to the second capacitor busbar 20 of the integrated capacitor 100 .

[0054] The first phase bridge arm 411 and the first inductor 51 together constitute a first voltage regulating module for regulating voltage, and the second phase bridge arm 412 and the second inductor 52 together constitute a second voltage regulating module for regulating voltage. Therefore, the voltage can be regulated by the first power module 41 and the integrated inductor 50. The bridge arm converters in the first power module 41 and the second power module 42 can be used for inversion. Moreover, the first phase bridge arm 411, the second phase bridge arm 412 and the first bridge arm converter 413 are connected in parallel by the first capacitor busbar 10 and the second capacitor busbar 20, and the first power module 41 and the second power module 42 can be powered by the first capacitor busbar 10 and the second capacitor busbar 20, and the electrical connection between the power module and other components is realized, which reduces the layout of the line.

[0055] Optionally, the negative terminals after being boosted by the first power module 41 are connected together inside the integrated capacitor 100 through a common negative copper bus 73; the positive terminals after being boosted by the first power module 41 are connected together inside the integrated capacitor 100 through a common positive copper bus 74. Such a setting can reduce the use of copper buses and facilitate the layout of circuits.

[0056] Optionally, one of the first capacitor busbar 10 and the second capacitor busbar 20 is connected to multiple positive pins, and the other is connected to multiple negative pins, both the positive pins and the negative pins extend toward the accommodating space 15, a positive pin and a negative pin constitute a pair of positive and negative pins 60, a part of the positive and negative pins 60 are connected to the first power module 41, and another part of the positive and negative pins 60 are connected to the second power module 42.

[0057] Optionally, the motor controller 200 further includes a first drive board, the first drive board is connected to the first power module 41, and the first drive board is used to drive the first power module 41. A second drive board, the second drive board is connected to the second power module 42, and the second drive board is used to drive the second power module 42. A control board, the control board is respectively connected to the first drive board and the second drive board, and the control board drives the first power module 41 through the first drive board, and / or drives the second power module 42 through the second drive board.

[0058] Optionally, a high-voltage sampling negative terminal 71 and a high-voltage sampling positive terminal 72 are also provided on the integrated capacitor 100, and the boosted DC power is connected to the sampling terminals on the control board through the high-voltage sampling negative terminal 71 and the high-voltage sampling positive terminal 72 for sampling, monitoring, and processing.

[0059] In order to further increase the reliability of the motor controller 200, in one embodiment, after each component is fixed on the integrated capacitor 100, the entire device is filled with glue. The fixing by filling with glue can not only reduce the cost of fixing, installing and parts of the module, but also increase the reliability of safety regulations. Furthermore, filling the integrated capacitor 100 with glue can solve the problem of insufficient safety regulations at short distances and the problem of heat dissipation of copper bars.

[0060] The principle of the motor controller 200 is as follows: Figure 6The high-voltage direct current of the external power source is input to the integrated capacitor 100 through the positive input connector 31 and the negative input connector 32 provided on the integrated capacitor 100, and the EMC is improved by the magnetic ring 33, the first Y capacitor 361 and the second Y capacitor 362 provided on the integrated capacitor 100, and then the high-voltage direct current is input to the integrated inductor 50 through the second connector 34. After the high-voltage direct current is stored in the first inductor 51 and the second inductor 52 in the integrated inductor 50, it is output to the first power module 41 through the first connector 35, and the first The voltage adjustment part and the integrated inductor 50 of the power module 41 perform a voltage boost. During this voltage boost process, the first capacitor 25 performs energy storage and filtering functions for the voltage boost process. Then, the boosted DC power is inverted by the inverter part in the first power module 41 and the second power module 42 to invert the DC power into AC power. During this inversion process, the second capacitor 26 performs energy storage and filtering functions for the inversion process. Finally, the power module three-phase output terminal 75 provided by the first power module 41 and the second power module 42 outputs AC power for use by the power supply load.

[0061] According to another aspect of the present disclosure, a vehicle is provided, the vehicle comprising a first motor, a second motor and the motor controller 200, the first motor is connected to an output terminal provided on a first power module 41 of the motor controller 200, the second motor is connected to an output terminal provided on a second power module 42 of the motor controller 200, and the motor controller 200 is used to control the first motor and / or the second motor. Therefore, the first motor and the second motor can be controlled respectively by the motor controller 200.

[0062] The preferred embodiments of the present disclosure are described in detail above in conjunction with the accompanying drawings; however, the present disclosure is not limited to the specific details in the above embodiments. Within the technical concept of the present disclosure, a variety of simple modifications can be made to the technical solution of the present disclosure, and these simple modifications all fall within the protection scope of the present disclosure.

[0063] It should also be noted that the various specific technical features described in the above specific embodiments can be combined in any suitable manner without contradiction. In order to avoid unnecessary repetition, the present disclosure will not further describe various possible combinations.

[0064] In addition, various embodiments of the present disclosure may be arbitrarily combined, and as long as they do not violate the concept of the present disclosure, they should also be regarded as the contents disclosed by the present disclosure.

Claims

1. An integrated capacitor, characterized in that: The invention comprises a first capacitor busbar (10) and a second capacitor busbar (20) with opposite polarities and arranged opposite to each other, wherein the first capacitor busbar (10) is provided with a first accommodating groove (13), and the second capacitor busbar (20) is provided with a second accommodating groove (21) arranged opposite to the first accommodating groove (13), and the first accommodating groove (13) and the second accommodating groove (21) together form an accommodating space (15) for accommodating components in a motor controller (200); Wherein, the components include an integrated inductor (50); The first capacitor busbar (10) is configured as a first concave structure, and the concave portion of the first concave structure is formed as the corresponding first receiving groove (13); the second capacitor busbar (20) is configured as a second concave structure, and the concave portion of the second concave structure is formed as the corresponding second receiving groove (21); The first capacitor busbar (10) comprises a first busbar (11) and a second busbar (12) which are arranged at an interval, a first capacitor (25) is arranged between the first busbar (11) and a first part of the second capacitor busbar (20), and a second capacitor (26) is arranged between the second busbar (12) and a second part of the second capacitor busbar (20).

2. The integrated capacitor according to claim 1, characterized in that: One end of the integrated capacitor (100) is provided with a positive input connector (31) for connecting to the positive pole of a power supply and a negative input connector (32) for connecting to the negative pole of a power supply. The integrated capacitor (100) further comprises a magnetic ring (33), a first Y capacitor (361) and a second Y capacitor (362). The positive input connector (31) passes through the magnetic ring (33) to be connected to the first busbar (11), and the negative input connector (32) passes through the magnetic ring (33) to be connected to the second busbar (11). Two capacitor busbars (20) are connected, and two ends of the first Y capacitor (361) and the second Y capacitor (362) are electrically connected to the positive input connector (31) and the negative input connector (32) respectively. The first Y capacitor (361) and the second Y capacitor (362) are respectively arranged on both sides of the magnetic ring (33) along the axial direction of the magnetic ring (33), or the first Y capacitor (361) and the second Y capacitor (362) are penetrated through the magnetic ring (33).

3. A motor controller, characterized in that: It comprises the integrated capacitor (100) and the integrated inductor (50) according to any one of claims 1 to 2, wherein the integrated inductor (50) is connected to the integrated capacitor (100), and the integrated inductor (50) is arranged in the accommodating space (15).

4. The motor controller according to claim 3, characterized in that: The motor controller (200) further comprises a first power module (41) and a second power module (42) connected in parallel, wherein the first power module (41) and the second power module (42) are connected side by side at an opening of the accommodating space (15), and the first power module (41) and the second power module (42) arranged side by side are arranged back to back with the integrated inductor (50).

5. The motor controller according to claim 4, characterized in that: The integrated capacitor (100) further comprises a first connecting member (35), the first connecting member (35) comprising a first input terminal (351), a second input terminal (352), a first output terminal (353) and a second output terminal (354), the first input terminal (351) and the second input terminal (352) are both connected to the integrated inductor (50), and the first output terminal (353) and the second output terminal (354) are both connected to the first power module (41).

6. The motor controller according to claim 5, characterized in that: The integrated inductor (50) comprises a first inductor (51) and a second inductor (52); a first end of the first inductor (51) and a first end of the second inductor (52) are connected to a second busbar (12) of the integrated capacitor (100); a second end of the first inductor (51) is connected to the first input end (351) of the first connector (35), and a second end of the second inductor (52) is connected to the second input end (352) of the first connector (35).

7. The motor controller according to claim 5, characterized in that: The first power module (41) comprises a first phase bridge arm (411), a second phase bridge arm (412) and a first bridge arm converter (413) connected in parallel, the first output end (353) of the first connecting member (35) is electrically connected to the first phase bridge arm (411), and the second output end (354) of the first connecting member (35) is electrically connected to the second phase bridge arm (412); The first end of the first phase bridge arm (411), the second phase bridge arm (412) and the first bridge arm converter (413) are all connected to the first busbar (11) of the integrated capacitor (100); The second ends of the first phase bridge arm (411), the second phase bridge arm (412) and the first bridge arm converter (413) are all connected to the second capacitor busbar (20) of the integrated capacitor (100); The second power module (42) comprises a second bridge arm converter (421), and the first end of the second bridge arm converter (421) is connected to the first busbar (11) of the integrated capacitor (100); The second ends of the second bridge arm converters (421) are connected to the second capacitor busbar (20) of the integrated capacitor (100).

8. A vehicle, characterized in that: The invention comprises a first motor, a second motor and a motor controller (200) according to any one of claims 4 to 7, wherein the first motor is connected to an output end provided on a first power module (41) of the motor controller (200), and the second motor is connected to an output end provided on a second power module (42) of the motor controller (200), and the motor controller (200) is used to control the first motor and / or the second motor.

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