WO2025145696A1 - 控制器、电驱动系统及电动设备 - Google Patents
控制器、电驱动系统及电动设备 Download PDFInfo
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- WO2025145696A1 WO2025145696A1 PCT/CN2024/122166 CN2024122166W WO2025145696A1 WO 2025145696 A1 WO2025145696 A1 WO 2025145696A1 CN 2024122166 W CN2024122166 W CN 2024122166W WO 2025145696 A1 WO2025145696 A1 WO 2025145696A1
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- WO
- WIPO (PCT)
- Prior art keywords
- power
- controller
- devices
- drive system
- housing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
Definitions
- the present application relates to the field of electronic technology, and in particular to a controller, an electric drive system and an electric device.
- electronic modules such as power modules and busbar capacitors generally use integrated standard modules.
- the power module uses a standard power module, and the size of the standard power module is fixed and large, which makes the controller have a large size and difficult to miniaturize, which in turn makes the electric drive system larger and requires a larger space in the electric vehicle.
- an embodiment of the present application provides a controller, including:
- the electronic module includes a plurality of discrete devices distributed in a housing and electrically connected.
- the controller provided in the embodiment of the present application is provided with an electronic module of the controller including a plurality of electrically connected discrete devices, so that the electronic module is arranged on the housing through the plurality of discrete devices.
- the volume of the electronic module can be reduced, and on the other hand, the layout flexibility of the electronic module on the housing can be improved to help improve the space utilization of the controller. Based on this, the volume of the controller can be reduced, and then the volume of the electric drive system can be reduced to reduce the space occupied by the electric drive system in the vehicle.
- an embodiment of the present application provides an electric device, including an electric drive system.
- the electric device provided in the embodiment of the present application can reduce the volume of the controller due to the adoption of the electric drive system involved above, and further reduce the volume of the electric drive system, so as to reduce the space occupied by the electric drive system in the electric device.
- the cabin of the electric device can be reduced, so that the electric device can leave as large a driving compartment as possible for the passengers.
- the cabin has a larger space to arrange more batteries.
- FIG1 is a schematic diagram of a vehicle provided in some embodiments of the present application.
- FIG2 is a partial schematic diagram of an electric drive system provided in some embodiments of the present application.
- FIG3 is a partial three-dimensional structural diagram of an electric drive system provided in some embodiments of the present application.
- FIG4 is a partial three-dimensional structural diagram of a controller of the electric drive system shown in FIG3 ;
- FIG5 is a partial three-dimensional structural diagram of a controller provided in some other embodiments of the present application.
- FIG7 is a partial three-dimensional structural diagram of an electric drive system provided in some other embodiments of the present application.
- FIG9 is a partial three-dimensional structural diagram of the housing of the controller provided in FIG4 at one viewing angle
- FIG. 10 is a partial three-dimensional structural diagram of the housing of the controller provided in FIG. 4 at another viewing angle.
- the reference numerals in the figure are: 1000-vehicle; 100-electric drive system; 10-controller; 20-motor; 30-battery; 40-transmission; 11-housing; 1101-liquid cooling tank; 1102-opening; 1103-first surface; 1104-accommodating groove; 111-boss; 112-first shell; 113-second shell; 114-heat sink; 12-electronic module; 121-power module; 1211-power device; 1211a-first power device; 1211b-second power device; 1212-power board; 12121-daughter board; 1213-second connector; 122-bus capacitor; 13-control board; 14-first connector; 15-third connector; 16-fourth connector; 17-fifth connector; 18-filter component.
- first and second are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features.
- the features defined as “first” and “second” may explicitly or implicitly include one or more of the features.
- multiple means more than two, and unless otherwise clearly and specifically defined, “more than two” includes two. Accordingly, “multiple groups” means more than two groups, including two groups.
- the terms “installed”, “connected”, “connected”, “fixed” and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral one; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements.
- installed can be a fixed connection, a detachable connection, or an integral one
- it can be a mechanical connection or an electrical connection
- it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements.
- the cabin of the vehicle where the electric drive system is located is also required to be made more compact, and the space utilization rate is required to be further improved so that the vehicle can leave as large a driving compartment as possible for passengers or as large a cabin as possible to accommodate as many batteries as possible.
- the power module of the controller of the electric drive system, the bus capacitor and other electronic modules generally adopt an integrated standard module.
- the power module of the controller as an example, the power module generally adopts an integrated standard power module, for example,
- the power module can be composed of a standard full-bridge power module or three standard half-bridge power modules.
- the size of the standard power module is fixed and large, which makes the controller have a large size and difficult to achieve miniaturization, which in turn makes the electric drive system larger and requires a larger space in the vehicle.
- the embodiments of the present application provide a controller, an electric drive system, and an electric device, wherein the electronic module of the controller includes a plurality of electrically connected discrete devices, so that the electronic module is arranged in the housing through the plurality of discrete devices.
- the volume of the electronic module can be reduced, and on the other hand, the layout flexibility of the electronic module on the housing can be improved to help improve the space utilization of the controller.
- the volume of the controller can be reduced, and then the volume of the electric drive system can be reduced to reduce the space occupied by the electric drive system in the vehicle.
- the controller involved in the embodiment of the present application can be applied to electric devices that use an electric drive system as a power source, and the electric devices can be, but are not limited to, vehicles, electric toys, battery cars, ships, spacecraft, excavators, etc.
- electric toys can include fixed or mobile electric toys, such as electric car toys, electric ship toys, and electric airplane toys, etc.
- Spacecraft can include airplanes, rockets, space shuttles, and spacecrafts, etc.
- FIG. 1 is a schematic diagram of a vehicle 1000 provided in some embodiments of the present application.
- the vehicle 1000 can be a pure electric vehicle, a hybrid electric vehicle, or an extended-range vehicle, etc.
- the vehicle 1000 can be a front-wheel drive vehicle, a rear-wheel drive vehicle, or a four-wheel drive vehicle.
- a vehicle 1000 may include a vehicle body and an electric drive system 100 .
- the vehicle body is the main supporting component of the vehicle 1000, and the vehicle body has a cabin and a driver's cabin.
- the cabin is used to accommodate the electric drive system 100 of the vehicle 1000, etc.
- the driver's cabin is used to provide operating space and riding space for the driver and passengers.
- the cabin is arranged at the head of the vehicle body, that is, the cabin is a front cabin.
- the cabin is arranged at the rear of the vehicle body, that is, the cabin is a rear cabin.
- the cabin is divided into a front cabin and a rear cabin, the front cabin is arranged at the head of the vehicle body, and the rear cabin is arranged at the rear of the vehicle body.
- the driver's cabin is arranged between the head and the rear of the vehicle body.
- the electric drive system 100 is the power system of the vehicle 1000.
- the electric drive system 100 is used to convert electrical energy into mechanical energy to drive the vehicle 1000 to start, navigate, travel, and meet the working power requirements during travel.
- the electric drive system 100 is arranged on the vehicle body. Specifically, a part of the electric drive system 100 can be arranged in the cabin, and another part of the electric drive system 100 can be arranged at the bottom of the vehicle body.
- Figure 2 is a partial schematic diagram of an electric drive system 100 provided in some embodiments of the present application.
- the electric drive system 100 may include a controller 10, and the controller 10 is used to control the operation of the electric drive system 100 to achieve control of the vehicle 1000.
- the electric drive system 100 may further include a motor 20.
- the controller 10 is used to convert direct current into alternating current and output the alternating current to the motor 20 to control the operation of the motor 20, thereby realizing drive control of the vehicle 1000.
- the controller 10 may control the start, speed change, and stop of the motor 20 to drive the vehicle 1000 to start, change speed, and stop.
- the electric drive system 100 may further include a battery 30, and the controller 10 may also be used to control the battery 30 to supply power to the motor 20, for example, for starting, navigating, and driving the vehicle 1000.
- the controller 10 is electrically connected to the battery 30, and the controller 10 is used to convert the direct current provided by the battery 30 into alternating current, and output the alternating current to the motor 20.
- the controller 10 can also be used to convert AC power into DC power.
- the motor 20 can convert the mechanical energy that drives it to rotate into AC power, and the controller 10 can convert the AC power into DC power and charge it back into the battery 30.
- the electric drive system 100 may further include a transmission 40, which is connected to the motor 20 to achieve torque change of the motor 20.
- the transmission 40 also known as a gearbox, is a mechanism for changing the speed and torque from the motor 20, and it can change the output shaft and input shaft transmission ratio in a fixed or step-by-step manner.
- the controller 10 can be integrated with the motor 20 to form an electric drive system 100.
- the battery 30 can also be integrated with the controller 10 to form an electric drive system 100.
- the controller 10, the battery 30 and the motor 20 can also be integrated to form an electric drive system 100.
- the controller 10, the motor 20 and the transmission 40 can also be integrated to form an electric Drive system 100.
- the controller 10, the motor 20, the transmission 40 and the battery 30 may also be integrated to form the electric drive system 100.
- the electric drive system 100 may also be integrated with other structures, such as a cooling oil circuit.
- Figure 3 is a partial three-dimensional structural diagram of the electric drive system 100 provided in some embodiments of the present application
- Figure 4 is a partial three-dimensional structural diagram of the controller 10 of the electric drive system 100 shown in Figure 3.
- the controller 10 provided in the embodiment of the present application includes a housing 11 and an electronic module 12, and the electronic module 12 is disposed in the housing 11.
- the electronic module 12 includes a plurality of discrete devices, and the plurality of discrete devices are distributed in the housing 11, and the plurality of discrete devices are electrically connected.
- the housing 11 refers to a casing structure of the controller 10 , and is used to at least install and support the electronic module 12 .
- the electronic module 12 refers to an electronic device that can realize a predetermined function when powered on.
- the electronic module 12 may include a wireless capacitor, a power module 121, etc.
- the electronic module 12 includes the power module 121, and the electronic module 12 can realize the function of converting direct current into alternating current when powered on, so that the controller 10 can realize the function of converting direct current into alternating current and outputting the alternating current to the motor 20.
- Discrete devices refer to electronic devices that have separate functions and whose functions cannot be separated. It can be understood that multiple discrete devices constitute the electronic module 12.
- Multiple discrete devices are distributed in the housing 11. Multiple discrete devices can be distributed in the housing 11 at intervals; multiple discrete devices can be distributed in the housing 11 to abut against each other; or some of the discrete devices can be distributed in the housing 11 at intervals and other discrete devices can be distributed in the housing 11 to abut against each other.
- the multiple discrete devices can be electrically connected in series, in parallel, or in mixed connection.
- Mixed connection means that the multiple discrete devices can have at least two of the following electrical connections: series connection, parallel connection, or other forms.
- Each type of electronic module 12 has a different electrical connection relationship, and corresponding explanations will be given in the corresponding positions below.
- a plurality of discrete devices may be electrically connected to form the electronic module 12.
- a plurality of discrete devices may be arranged in the housing 11, and the plurality of discrete devices may be electrically connected to form the controller 10.
- the controller 10 provided in the embodiment of the present application is provided with an electronic module 12 of the controller 10 including a plurality of electrically connected discrete devices, so that the electronic module 12 is arranged in the housing 11 through the plurality of discrete devices.
- the volume of the discrete device is very small, and the electronic module 12 is composed of a plurality of discrete devices, so that the electronic module 12 is smaller in volume than the standard module, so that the volume of the electronic module 12 can be reduced.
- each discrete device can be flexibly arranged in various positions of the housing 11, so that the layout of the electronic module 12 on the housing 11 has high flexibility and is not easily restricted by space, so that the electronic module 12 can fully and effectively utilize the internal space of the controller 10, which helps to improve the space utilization of the controller 10, so that the internal devices of the controller 10 can be highly integrated. Therefore, the volume of the controller 10 can be reduced, and then the volume of the electric drive system 100 can be reduced to reduce the occupied space of the electric drive system 100 in the vehicle 1000. In this way, under the condition that the number of batteries 30 is predetermined, the cabin of the vehicle 1000 can be reduced, so that the vehicle 1000 can leave as much driving space as possible for passengers. Under the condition that the space of the cabin is predetermined, the cabin has a larger space to arrange more batteries 30.
- the electronic module 12 is configured by a plurality of discrete components, so that the electronic module 12 has strong scalability, and the expansion of the electronic module 12 can be achieved by increasing or decreasing the number of discrete components.
- the electronic module 12 using standard modules can only directly replace modules of higher or lower specifications, and the scalability is relatively weak. Therefore, the controller 10 provided in the embodiment of the present application has a high scalability and configurability of the electronic module 12, which makes the design of the controller 10 or the electric drive system 100 very flexible, and can be flexibly and conveniently customized, and the manufacturing cost is low.
- the electronic module 12 includes a power module 121, and the power module 121 includes a plurality of power devices 1211, and the plurality of power devices 1211 are distributed in the housing 11, and the plurality of power devices 1211 are electrically connected. Moreover, the power device 1211 is a discrete device.
- the power module 121 is a core component of the controller 10, and is mainly used for power conversion and control circuits. Specifically, the power module 121 can convert direct current into alternating current. The output end of the power module 121 can be directly or indirectly connected to the motor 20, so that the converted alternating current can be output to the motor 20, thereby providing power to the motor 20. In addition, the power module 121 can also convert alternating current into direct current, for example, when the kinetic energy of the vehicle 1000 is recovered, the motor 20 can The mechanical energy driving its rotation is converted into alternating current, and the power module 121 can convert the alternating current into direct current and charge it back into the battery 30 .
- the power device 1211 refers to a discrete device in the power module 121 for realizing power conversion and control circuit functions.
- the plurality of power devices 1211 are electrically connected so that the plurality of power devices 1211 can constitute a power module 121 .
- the electronic module 12 includes a power module 121
- the power module 121 includes a plurality of power devices 1211
- at least some of the above-mentioned discrete devices are power devices 1211 .
- the power module 121 is formed by a plurality of power devices 1211 which are discrete devices.
- the volume of the discrete devices is very small, which can reduce the volume of the power module 121.
- each discrete device can be flexibly arranged at various positions of the housing 11, so that the layout of the power module 121 on the housing 11 has high flexibility and is not easily restricted by space, so that the power module 121 can fully and effectively utilize the internal space of the controller 10, which helps to improve the space utilization of the controller 10, so that the internal devices of the controller 10 can be highly integrated. Therefore, the volume of the controller 10 can be reduced, and then the volume of the electric drive system 100 can be reduced to reduce the occupied space of the electric drive system 100 in the vehicle 1000.
- the scalability and configurability of the power module 121 are high, so that the design of the controller 10 or the electric drive system 100 is very flexible, and customized applications can be flexibly and conveniently carried out, and the manufacturing cost is low.
- the controller 10 further includes a third connector 15 electrically connected to the power module 121 , and the third connector 15 is also used to electrically connect to the motor 20 .
- the third connector 15 refers to a conductive connector for achieving electrical connection, wherein the third connector 15 may be composed of a plurality of copper bars, or may be a plug-in connector, etc.
- the power module 121 can convert direct current into alternating current, and output the alternating current to the motor 20 through the third connector 15 to provide power to the motor 20.
- the power board 1212 is a circuit board of the power module 121.
- the power board 1212 may be a flexible circuit board or a rigid circuit board.
- the power module 121 has a smaller volume, which is conducive to effectively and fully utilizing the internal space of the controller 10, so as to help reduce the volume of the controller 10 and the electric drive system 100.
- the manufacturing process of the power module 121 is very simple and low in cost.
- the layout flexibility of the power module 121 is high, and the internal space of the controller 10 can be fully and effectively utilized, thereby helping to reduce the volume of the controller 10.
- the power device 1211 can be packaged on the power board 1212 using surface mount technology (SMT, Surface Mounted Technology).
- SMT Surface Mounted Technology
- the controller 10 further includes a control board 13 , and the power board 1212 and the control board 13 are electrically connected via a first connector 14 .
- the control board 13 is a circuit board of the controller 10, and is mainly used to provide a control signal to the power module 121, so that the power module 121 can perform power conversion and circuit control based on the control signal.
- the control board 13 can be a flexible circuit board or a hard circuit board.
- the first connector 14 refers to a conductive connector for achieving electrical connection, and is specifically used to achieve electrical connection between the power board 1212 and the control board 13.
- the first connector 14 may be an inter-board connector, a wiring harness, a copper busbar, and the like.
- the first connector 14 is disposed on the power board 1212 and is electrically connected to the power board 1212.
- the first connector 14 is also electrically connected to the control board 13 to achieve electrical connection between the power board 1212 and the control board 13. That is, the electrical connection between the power module 121 and the control board 13 is achieved.
- the control board 13 and the power board 1212 are electrically connected through the first connector 14 to achieve electrical connection between the power module 121 and the control board 13. Based on this, the power module 121 can convert direct current into alternating current under the control of the control board 13 to output the alternating current to the motor 20.
- FIG. 5 is a partial three-dimensional structural diagram of the controller 10 provided in some other embodiments of the present application.
- the power board 1212 includes a plurality of sub-boards 12121, and the plurality of sub-boards 12121 are arranged at intervals in the housing 11, and the plurality of power devices 1211 are arranged in the plurality of sub-boards 12121.
- the sub-board 12121 is a circuit board of the power module 121 , and a plurality of sub-boards 12121 constitute the power board 1212 .
- the power board 1212 includes multiple sub-boards 12121, and the multiple power devices 1211 are divided into multiple sub-boards 12121, so that each sub-board 12121 and the power devices 1211 thereon can be flexibly arranged in the housing 11, so that the layout flexibility of the power module 121 in the controller 10 is higher, which helps to fully and effectively utilize the internal space of the controller 10 to reduce the volume of the controller 10.
- FIG. 7 is a partial three-dimensional structural diagram of the electric drive system 100 provided in some embodiments of the present application
- FIG. 8 is a partial three-dimensional structural diagram of the controller 10 of the electric drive system 100 shown in FIG. 7.
- the housing 11 is provided with a boss 111, and the power device 1211 is arranged on the boss 111.
- the power device 1211 By plugging the power device 1211 into the control board 13 , the power device 1211 is electrically connected to the control board 13 , that is, the power module 121 is electrically connected to the control board 13 .
- the multiple power devices 1211 are divided into three groups, and the three groups of power devices 1211 are arranged in parallel.
- Each group of power devices 1211 includes multiple power devices 1211, and the multiple power devices 1211 in each group are electrically connected.
- each group of multiple power devices 1211 is divided into a first power device 1211a and a second power device 1211b.
- the first power device 1211a and the second power device 1211b of each group are converged through the second connector 1213 to converge to the third connector 15.
- the second connector 1213 is connected to the first power device 1211a and the second power device 1211b, respectively, to achieve convergence of each group of power devices 1211.
- the multiple first power devices 1211a When the number of the first power devices 1211a is plural, the plurality of first power devices 1211a are arranged in parallel. When the number of the second power devices 1211b is plural, the plurality of second power devices 1211b are arranged in parallel.
- the multiple first power devices 1211a connected in parallel form a whole
- the multiple second power devices 1211b connected in parallel form a whole
- the multiple power devices 1211 are divided into three groups, and the three groups of power devices 1211 are arranged in parallel, so that the power module 121 can be used for power conversion and control circuits.
- At least one group of power devices 1211 is divided into a first power device 1211a and a second power device 1211b.
- the number of the first power devices 1211a and the number of the second power devices 1211b are both plural.
- At least one group of multiple first power devices 1211 a are distributed along a straight line; or, as shown in FIG. 5 , at least one group of multiple power devices 1211 are distributed along a curve.
- At least one group of multiple first power devices 1211a are distributed along a straight line; or, as shown in Fig. 5, at least one group of multiple power devices 1211 are distributed along a curve.
- at least one group of multiple second power devices 1211b are distributed along a straight line; or, as shown in Fig. 5, at least one group of multiple second power devices 1211b are distributed along a curve.
- the multiple first power devices 1211a of each group can constitute the upper bridge arm of the group of power devices 1211, and correspondingly, the multiple second power devices 1211b of the group constitute the lower bridge arm of the group of power devices 1211.
- the multiple first power devices 1211a of each group can also constitute the upper bridge arm of the group of power devices 1211 with some of the second power devices 1211b, and the remaining second power devices 1211b of the group constitute the lower bridge arm of the group of power devices 1211.
- the plurality of first power devices 1211a of each group can be distributed along a straight line or a curve, and the plurality of second power devices 1211b of each group can also be distributed along a straight line or a curve, so that the layout flexibility of the power devices 1211 of each group is very high.
- Each group of power devices 1211 is divided into a first power device 1211a and a second power device 1211b.
- the three groups of first power devices 1211 a are distributed along a straight line at intervals; or, as shown in FIG. 5 , the three groups of first power devices 1211 a are distributed along a curved line at intervals.
- the three groups of second power devices 1211 b are distributed along a straight line at intervals; or, as shown in FIG. 4 , the three groups of second power devices 1211 b are distributed along a curved line at intervals.
- three groups of first power devices 1211a are distributed along a straight line at intervals; or, as shown in FIG5 , three groups of first power devices 1211a are distributed along a curve at intervals.
- three groups of second power devices 1211b are distributed along a straight line at intervals; or, as shown in FIG5 , three groups of second power devices 1211b are distributed along a curve at intervals.
- Such an arrangement makes the layout of the three groups of power devices 1211 on the housing 11 very flexible. In this way, it is beneficial to improve the integration of the internal devices of the controller 10, so as to improve the space utilization of the controller 10, so as to reduce the volume of the controller 10, and then reduce the volume of the electric drive system 100, so as to reduce the occupied space of the electric drive system 100 in the vehicle 1000. In addition, it is also beneficial to improve the scalability and configurability of the power module 121.
- the electronic module 12 further includes a bus capacitor 122 .
- the bus capacitor 122 is disposed in the housing 11 .
- the bus capacitor 122 is electrically connected to the power module 121 .
- the bus capacitor 122 refers to an electronic device used to stabilize voltage and ensure circuit stability to a certain extent.
- the DC power can pass through the bus capacitor 122 and the power module 121 in sequence, and then be output to the motor 20 through the second connector 1213 , the fourth connector 16 and the third connector 15 in sequence.
- Such an arrangement enables the bus capacitor 122 to stably output direct current to the power module 121 , so that the power module 121 can convert the direct current into alternating current and output it to the motor 20 .
- the power module 121 also includes the power board 1212, which is disposed on the housing 11.
- the power device 1211 is disposed on the power board 1212, and the bus capacitor 122 is electrically connected to the power board 1212.
- a fifth connector 17 is provided between the bus capacitor 122 and the power module 121, and the fifth connector 17 is electrically connected to the bus capacitor 122 and the power board 1212 respectively to achieve electrical connection between the bus capacitor 122 and the power board 1212.
- the bus capacitor 122 can be electrically connected to the power board 1212 to achieve electrical connection between the bus capacitor 122 and the power module 121 .
- the multiple power devices 1211 are divided into three groups, and the three groups of power devices 1211 are arranged in parallel.
- Each group of power devices 1211 includes multiple power devices 1211, and the multiple power devices 1211 of each group are converged through the second connector 1213, and the bus capacitor 122 is electrically connected to the second connector 1213.
- a fifth connector 17 is provided between the bus capacitor 122 and the power module 121, and the fifth connector 17 is electrically connected to the bus capacitor 122 and the second connector 1213 respectively to achieve electrical connection between the bus capacitor 122 and the second connector 1213.
- the bus capacitor 122 can be electrically connected to the second connector 1213 to achieve electrical connection between the bus capacitor 122 and the power module 121 .
- the bus capacitor 122 and the power module 121 can be electrically connected through the fifth connector 17, specifically, the fifth connector 17 and the power module 121 are electrically connected, and the fifth connector 17 and the bus capacitor 122 are electrically connected.
- the fifth connector 17 and the power module 121 are electrically connected, specifically, the fifth connector 17 and the power board 1212 are electrically connected; or, the fifth connector 17 and the second connector 1213 are electrically connected.
- the fifth connector 17 is a conductive connector for achieving electrical connection, for example, it may be an inter-board connector, a wiring harness, a copper busbar, etc.
- each group of multiple power devices 1211 can also be converged through the second connector 1213.
- the second connector 1213 is provided on the power board 1212 so that the second connector 1213 can achieve convergence of the multiple power devices 1211 in each group.
- each group of multiple power devices 1211 can be divided into a first power device 1211a and a second power device 1211b, and the second connector 1213 is electrically connected to the first power device 1211a and the second power device 1211b respectively to achieve convergence of the multiple power devices 1211 in each group.
- the bus capacitor 122 includes a plurality of capacitor devices (not shown), the plurality of capacitor devices are arranged in parallel, and the capacitor devices are discrete devices.
- the capacitor device is a main electronic device of the bus capacitor 122 . It can be understood that a plurality of capacitor devices are connected in parallel to form the bus capacitor 122 .
- the bus capacitor 122 is electrically connected to the power module 121. Specifically, the whole formed by the multiple capacitors in parallel is electrically connected to the power module 121. The whole formed by the multiple capacitors in parallel is connected to the fifth connector 17, and the fifth connector 17 is connected to the power board 1212 or the second connector 1213 of the power module 121, so that the bus capacitor 122 and the power module 121 are electrically connected.
- the bus capacitor 122 is configured to include a plurality of capacitor devices connected in parallel, and the capacitor devices are discrete devices.
- the bus capacitor 122 has a smaller volume, which helps to improve the space utilization of the controller 10 to reduce the volume of the controller 10.
- each capacitor device can be flexibly arranged at various positions of the housing 11, so that the layout of the bus capacitor 122 on the housing 11 has high flexibility and is not easily restricted by space, so that the bus capacitor 122 can fully and effectively utilize the internal space of the controller 10, which helps to improve the space utilization of the controller 10, so that the internal devices of the controller 10 can be highly integrated.
- the volume of the controller 10 can be reduced, and the volume of the electric drive system 100 can be reduced to reduce the space occupied by the electric drive system 100 in the vehicle 1000.
- the setting of discrete devices makes the bus capacitor 122 highly scalable and configurable, which makes the design of the controller 10 or the electric drive system 100 very flexible, and can be flexibly and conveniently customized, and the manufacturing cost is low.
- Figure 9 is a partial three-dimensional structural diagram of the housing 11 of the controller 10 provided in some embodiments of the present application at a viewing angle.
- the housing 11 is provided with a first surface 1103, and the power module 121 is provided on the first surface 1103.
- the first surface 1103 is provided with a receiving groove 1104, and the receiving groove 1104 is spaced apart from the power module 121, and at least a portion of the bus capacitor 122 is provided in the receiving groove 1104.
- the first surface 1103 refers to a surface of the housing 11 for arranging the power module 121 .
- the receiving groove 1104 refers to a groove disposed on the first surface 1103 and is used to receive at least a portion of the bus capacitor 122 .
- Such an arrangement can make the heights of the power module 121 and the bus capacitor 122 on the housing 11 as similar as possible, which is beneficial to the layout of the power module 121 and the bus capacitor 122 on the housing 11, thus helping to improve the integration of internal devices of the controller 10 to reduce the volume of the controller 10.
- FIG. 10 is a partial three-dimensional structural diagram of the housing 11 of the controller 10 provided in some embodiments of the present application from another perspective.
- the housing 11 is provided with a liquid cooling tank 1101, which is isolated from the electronic module 12 and is used to circulate the coolant for heat exchange with the electronic module 12.
- the liquid cooling tank 1101 refers to a tank provided on the housing 11 and used for achieving liquid cooling.
- the coolant can flow in and out of the liquid cooling tank 1101 to circulate in the liquid cooling tank 1101.
- the coolant circulates in the liquid cooling tank 1101, it can exchange heat with the electronic modules 12 such as the power module 121 and the bus capacitor 122, so that the electronic modules 12 can be cooled.
- the isolation of the liquid cooling tank 1101 from the electronic module 12 means that liquid isolation can be achieved between the liquid cooling tank 1101 and the electronic module 12. Specifically, the cooling liquid circulating in the liquid cooling tank 1101 is isolated from the electronic module 12 to prevent the cooling liquid from directly entering the electronic module 12 as much as possible.
- the electronic module 12 can be cooled.
- a plurality of heat sinks 114 are disposed in the liquid cooling tank 1101 , and the plurality of heat sinks 114 are distributed at intervals.
- the heat sink 114 is a component capable of dissipating heat. As shown in Figure 10, the heat sink 114 is a needle-shaped structure. Of course, the heat sink 114 can also be set to a fin shape or other shapes.
- the heat sink 114 can dissipate the heat of the coolant that exchanges heat with the electronic module 12, so as to better achieve the heat dissipation of the electronic module 12.
- the configuration of multiple heat sinks 114 distributed at intervals can achieve turbulence of the coolant in the liquid cooling tank 1101, so that the coolant can fully exchange heat with the electronic module 12, thereby improving the heat dissipation effect of the electronic module 12.
- the housing 11 includes a first shell 112 and a second shell 113 , and at least a portion of the electronic module 12 is disposed in a space enclosed by the first shell 112 and the second shell 113 .
- the first shell 112 and the second shell 113 are the shell structure of the outer shell 11 . It can be understood that the first shell 112 and the second shell 113 constitute the outer shell 11 .
- the controller 10 may further include a sixth connector (not shown), which is a component for achieving electrical connection.
- the sixth connector is electrically connected to the bus capacitor 122 and is used to connect to a DC power source such as a battery 30.
- the controller 10 may also include a filter
- the wave component 18 and the filter component 18 are electrically connected between the sixth connector and the bus capacitor 122 .
- the filter component 18 is an energy storage device used to reduce the AC ripple coefficient and improve the efficient and smooth DC output.
- the filter component 18 includes a filter capacitor.
- the DC power of a DC power source such as a battery 30 can be transmitted to the power module 121 in sequence through the sixth connector, the filter component 18, the bus capacitor 122 and the fifth connector 17, and converted into AC power by the power module 121.
- the AC power is transmitted to the motor 20 in sequence through the second connector 1213, the fourth connector 16 and the third connector 15 to provide power to the motor 20.
- the electric drive system 100 provided in the embodiment of the present application includes a controller 10.
- the controller 10 involved in the embodiment of the present application is the same as the controller 10 in the above embodiments, and the specific details can be referred to, and will not be repeated here.
- the electric drive system 100 provided in the embodiment of the present application can reduce the volume of the controller 10 by adopting the controller 10 involved in the above embodiments, and then reduce the volume of the electric drive system 100, so as to reduce the space occupied by the electric drive system 100 in the vehicle 1000.
- the cabin of the vehicle 1000 can be reduced, so that the vehicle 1000 can leave as large a driving compartment as possible for the passengers.
- the cabin has a larger space to arrange more batteries 30.
- the electric drive system 100 further includes a motor 20 , and the controller 10 is disposed on an end surface of the motor 20 along the axial direction.
- the axial direction refers to the axial direction of the motor 20 , specifically the Z axis as shown in the figure.
- the housing 11 of the controller 10 is disposed on the end surface of the motor 20 along the axial direction, so that the entire controller 10 is located on the end surface of the motor 20 along the axial direction.
- the controller 10 is disposed on the radial side of the motor 20, specifically above the motor 20. In this way, in the electric drive system 100, the space of the end surface of the motor 20 along the axial direction is not utilized and is wasted, so that the volume of the electric drive system 100 is larger.
- the electric drive system 100 provided in the embodiment of the present application includes a plurality of electrically connected discrete devices through the electronic module 12 of the controller 10, so that the volume of the controller 10 is small.
- the arrangement of the discrete devices in the controller 10 is very flexible, so that the shape of the controller 10 is also relatively flexible.
- the controller 10 can be arranged on the end face of the motor 20 in the axial direction.
- the controller 10 is arranged on the end face of the motor 20 in the axial direction, so that the controller 10 can fully utilize the space at the end face of the motor 20 in the axial direction.
- the controller 10 can occupy the space at the end face of the electric drive system 100 located at the motor 20 in the axial direction to reduce the space waste at the end face of the electric drive system 100 located at the motor 20 in the axial direction, so that the space utilization rate of the electric drive system 100 can be improved, so that the volume of the electric drive system 100 can be reduced to reduce the space occupied by the electric drive system 100 on the vehicle 1000.
- the center of gravity of the controller 10 can be lowered, thereby lowering the center of gravity of the entire electric drive system 100 , thereby improving the dynamic performance of the vehicle 1000 .
- the first shell 112 of the housing 11 is disposed on the end surface of the motor 20 along the axial direction.
- the power module 121 is disposed on a side surface of the first shell 112 away from the motor 20. That is, the side surface of the first shell 112 away from the motor 20 along the axial direction of the motor 20 is the above-mentioned first surface 1103.
- the electronic module 12 includes a power module 121 , and the power module 121 includes a power board 1212 disposed on the housing 11 , and the power board 1212 intersects with the axial direction of the motor 20 .
- the axial intersection of the power plate 1212 and the motor 20 refers to that the thickness direction of the power plate 1212 intersects the axial direction of the motor 20 .
- Crossing means that the two directions are not parallel. It can be understood that the two directions can form an angle greater than 0° and less than 180°.
- the thickness direction of the power plate 1212 and the axial direction of the motor 20 can be perpendicular to each other or not.
- the thickness direction of the power plate 1212 and the axial direction of the motor 20 can be directions that intersect on the same plane or on planes that are not aligned with each other, and the projection of the thickness direction of the power plate 1212 on the plane where the axial direction of the motor 20 is located is not perpendicular to each other.
- the shadow may intersect with the axial direction of the motor 20.
- the power board 1212 is perpendicular to the axial direction of the motor 20 .
- the deformation and bending direction of the power plate 1212 can be made inconsistent with the vibration direction of the vehicle 1000 in daily working conditions as much as possible, thereby improving the reliability of the power plate 1212 and further improving the reliability of the electric drive system 100.
- the controller 10 further includes a control board 13 disposed on the housing 11 , the control board 13 is electrically connected to the electronic module 12 , and the control board 13 intersects the axial direction of the motor 20 .
- the axial direction of the control board 13 intersects with the motor 20 , which means that the thickness direction of the control board 13 intersects with the axial direction of the motor 20 .
- Crossing means that the two directions are not parallel. It can be understood that the two directions can form an angle greater than 0° and less than 180°.
- the thickness direction of the control board 13 and the axial direction of the motor 20 can be perpendicular to each other, or they can be non-perpendicular.
- the thickness direction of the control board 13 and the axial direction of the motor 20 can be directions that intersect on the same plane, or they can be directions on planes that are not in the same plane, and the projection of the thickness direction of the control board 13 on the plane where the axial direction of the motor 20 is located can intersect with the axial direction of the motor 20.
- control board 13 is perpendicular to the axial direction of the motor 20 .
- the deformation and bending direction of the control board 13 can be made inconsistent with the vibration direction of the vehicle 1000 in daily working conditions as much as possible, thereby improving the reliability of the control board 13 and further improving the reliability of the electric drive system 100.
- the electric drive system 100 further includes a transmission 40 , and the transmission 40 and the controller 10 are respectively disposed at two opposite ends of the motor 20 along the axial direction.
- the transmission 40 is disposed on one end surface of the motor 20 along the axial direction, and the controller 10 is disposed on the other end surface of the motor 20 along the axial direction.
- the housing 11 is provided with a liquid cooling tank 1101 for circulating coolant.
- the liquid cooling tank 1101 is provided between the electronic module 12 and the motor 20 .
- the coolant in the liquid cooling tank 1101 can not only exchange heat with the electronic module 12, but also exchange heat with the motor 20. That is, the liquid cooling tank 1101 of the controller 10 can be used to cool the controller 10 and the end of the motor 20 close to the controller 10 in the axial direction at the same time, thereby reducing the cooling system of the motor 20 and also helping to reduce the volume of the electric drive system 100.
- the housing 11 includes a first housing 112. Along the axial direction of the motor 20, at least part of the electronic module 12 is disposed on one side of the first housing 112, and the liquid cooling tank 1101 is disposed on the other side of the first housing 112. In addition, the end surface of the motor 20 is disposed on the other side of the first housing 112 to cover the opening 1102 of the liquid cooling tank 1101 on the other side of the first housing 112.
- Such a configuration allows the coolant in the liquid cooling tank 1101 to directly contact the end surface of the motor 20 along the axial direction, so that the coolant in the liquid cooling tank 1101 has a high cooling effect on the motor 20.
- the integration of the housing 11 of the controller 10 and the motor 20 can be improved, thereby helping to reduce the volume of the electric drive system 100.
- the electric device provided in the embodiment of the present application includes an electric drive system 100.
- the electric drive system 100 involved in the embodiment of the present application is the same as the electric drive system 100 in the above embodiments, and specific reference can be made to it, and no further description will be given here.
- the electric drive system 100 includes a motor 20 and a controller 10, and the controller 10 is arranged on the end face of the motor 20 along the axial direction.
- the controller 10 includes a housing 11 and a power module 121.
- the housing 11 is arranged on the end face of the motor 20 along the axial direction.
- the power module 121 is arranged on the side of the housing 11 away from the motor 20.
- the power module 121 includes a power board 1212 and a plurality of power devices 1211.
- the power board 1212 is arranged on the side of the housing 11 away from the motor 20 along the axial direction of the motor 20, and the plurality of power devices 1211 are all arranged on the power board 1212.
- the power device 1211 is a discrete device.
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Abstract
一种控制器(10)、电驱动系统(100)及电动设备,电动设备包括电驱动系统(100),电驱动系统(100)包括控制器(10),控制器(10)包括外壳(11)和电子模块(12),电子模块(12)包括分布于外壳(11)且电连接的多个分立器件。通过设置控制器(10)的电子模块(12)包括多个电性连接的分立器件,使得电子模块(12)通过多个分立器件布局于外壳(11)。
Description
交叉引用
本申请要求于2024年01月02日在中华人民共和国国家知识产权局提交的、申请号为202420003405.X、申请名称为“控制器、电驱动系统及电动设备”的中国专利申请的优先权,其全部内容通过引用结合在本申请中。
本申请涉及电子技术领域,具体涉及一种控制器、电驱动系统及电动设备。
在一些情况下,功率模块、母线电容等电子模块一般采用整体式的标准模块。例如,功率模块采用标准的功率模块,而标准的功率模块的体积尺寸固定且较大,这使得控制器具有较大的体积尺寸,难以实现小型化,进而使得电驱动系统的体积较大,需占用电动汽车较大的空间。
发明内容
鉴于上述问题,本申请实施例的目的在于:提供一种控制器、电驱动系统及电动设备,能够改善控制器体积大的技术问题。
本申请实施例采用的技术方案是:
第一方面,本申请实施例提供了一种控制器,包括:
外壳;
电子模块,包括分布于外壳且电连接的多个分立器件。
本申请实施例提供的控制器,通过设置控制器的电子模块包括多个电性连接的分立器件,使得电子模块通过多个分立器件布局于外壳。这样,一方面可以减小电子模块的体积,另一方面可以提高电子模块在外壳上的布局灵活性,以有助于提高控制器的空间利用率。基于此,可以减小控制器的体积,进而可以减小电驱动系统的体积,以减小电驱动系统在车辆内的占用空间。
在一些实施例中,电子模块包括功率模块,功率模块包括分布于外壳且电连接的多个功率器件,功率器件采用分立器件。
如此设置,可以减小控制器的体积,进而可以减小电驱动系统的体积,以减小电驱动系统在车辆内的占用空间。此外,功率模块的可扩展性较高,使得控制器或电驱动系统的设计十分灵活,可以灵活、方便地进行定制化应用,且制造成本低。
在一些实施例中,功率模块还包括设置于外壳的功率板,多个功率器件设置于功率板上。
一方面,使得功率模块具有较小的体积,利于有效、充分地利用控制器的内部空间,以有助于减小控制器和电驱动系统的体积。另一方面,使得功率模块的制造工艺十分简单,且成本低。此外,通过功率器件设置于功率板,使得功率模块的布置灵活性较高,能够充分有效地利用控制器的内部空间,从而有助于减小控制器的体积。
在一些实施例中,控制器还包括控制板,功率板和控制板通过第一连接器电连接。
通过控制板和功率板之间通过第一连接器实现电性连接,以实现功率模块和控制板之间的电性连接。
在一些实施例中,功率板包括多个间隔设置于外壳的子板,多个功率器件分设于多个子板。
通过功率板包括多个子板,且多个功率器件分设于多个子板,以使每个子板及其上的功率器件可以灵活地布置于外壳,使得功率模块在控制器内的布局灵活性较高,如此有助于充分、有效地利用控制器的内部空间,以减小控制器的体积。
在一些实施例中,外壳设有凸台,功率器件设置于凸台上。
如此设置,可以减少功率板的使用,有助于减小功率模块的体积。
在一些实施例中,控制器还包括控制板,功率器件插接于控制板上。
通过功率器件插接于控制板,实现了功率器件与控制板的电性连接,也即是实现了功率模块与控制板的电性连接。
在一些实施例中,多个功率器件分为三组,三组功率器件并联设置,且每组功率器件包括多个电连接的功率器件。
如此设置,使得多个功率器件分为三组,且三组功率器件并联设置,如此使得功率模块可以用于电能变换和控制电路。
在一些实施例中,至少一组功率器件分为多个第一功率器件和多个第二功率器件;至少一组多个第一功率器件沿直线或曲线间隔分布,和/或,至少一组多个第二功率器件沿直线或曲线间隔分布。
这样,利于提高控制器的内部器件的集成度,以提高控制器的空间利用率,如此可以减小控制器的体积。并且,也利于提高功率模块的可扩展性。
在一些实施例中,电子模块还包括设于外壳的母线电容,母线电容与功率模块电性连接。
如此设置,使得母线电容可以稳定地将直流电输出给功率模块,以使功率模块能够将该直流电转变为交流电,并输出给电机。
在一些实施例中,功率模块还包括设置于外壳的功率板,功率器件设置于功率板上,且母线电容与功率板电连接;
或者,多个功率器件分为三组,三组功率器件并联设置,每组功率器件包括多个功率器件,每组的多个功率器件通过第二连接器进行汇流,且母线电容与第二连接器电连接。
如此设置,在功率模块设置有功率板的情况下,母线电容可以电性连接于功率板,以实现母线电容和功率模块的电性连接。在功率模块没有设置功率板的情况下,母线电容可以电性连接于第二连接器,以实现母线电容和功率模块的电性连接。
在一些实施例中,母线电容包括多个并联设置的电容器件,所述电容器件采用分立器件。
通过母线电容设置为包括多个并联设置的电容器件,且电容器件采用分立器件,可以减小控制器的体积,且使得母线电容的可扩展性较高。
在一些实施例中,外壳设有第一表面,功率模块设于第一表面上,且第一表面设有与功率模块间隔分布的容纳槽,母线电容的至少部分设于容纳槽内。
如此设置,利于功率模块和母线电容在外壳上的布局,如此有助于提高控制器的内部器件的集成度,以减小控制器的体积。
在一些实施例中,外壳设有与电子模块隔离的液冷槽,液冷槽用于循环与电子模块换热的冷却液。
如此设置,可以实现对电子模块的冷却。
在一些实施例中,液冷槽内设有多个间隔分布的散热件。
如此设置,可以提高电子模块的散热效果。
在一些实施例中,外壳包括第一壳体和第二壳体,电子模块的至少部分设于第一壳体和第二壳体围合形成的空间内。
通过电子模块的至少部分设置于第一壳体和第二壳体围合形成的空间内,可以实现对电子模块的防护效果。
第二方面,本申请实施例提供了一种电驱动系统,包括控制器。
本申请实施例提供的电驱动系统,由于采用上述涉及的控制器,可以减小控制器的体积,进而可以减小电驱动系统的体积,以减小电驱动系统在车辆内的占用空间。如此,在电池的数量预定的条件下,可以减小车辆的机舱,从而使得车辆能够留出尽可能大的驾乘仓给乘坐人员。在机舱的空间预定的条件下,使得机舱具有较大的空间来布置更多电池。
在一些实施例中,电驱动系统还包括电机,控制器设于电机沿轴向的端面。
如此设置,使得控制器可以占用电驱动系统的位于电机沿轴向上的端面处的空间,如此可以提高电驱动系统的空间利用率,从而可以减小电驱动系统的体积,以减小电驱动系统在车辆上的占用空间。
在一些实施例中,电子模块包括功率模块,功率模块包括设置于外壳的功率板,功率板与电机的轴向交叉。
通过功率板与电机的轴向交叉,能够尽量地使得功率板的变形及弯曲方向与车辆日常工况中的振动的方向不一致,如此可以提高功率板的可靠性,进而可以提高电驱动系统的可靠性。
在一些实施例中,控制器还包括设置于外壳的控制板,控制板与电子模块电连接,且控制板与电机的轴向交叉。
通过控制板与电机的轴向交叉,能够尽量地使得控制板的变形及弯曲方向与车辆日常工况中的振动的方向不一致,如此可以提高控制板的可靠性,进而可以提高电驱动系统的可靠性。
在一些实施例中,电驱动系统还包括变速器,变速器和控制器分别设于电机沿轴向的相对两端。
如此设置,使得电驱动系统的变速器、电机、控制器等结构能够高度集成,以减小电驱动系统的体积,从而可以减小电驱动系统在车辆上的占用空间。
在一些实施例中,外壳设有用于循环冷却液的液冷槽,沿电机的轴向,液冷槽设于电子模块和电机之间。
通过在电机的轴向上,液冷槽设于电子模块和电机之间,使得控制器的液冷槽可以同时用于实现控制器和电机沿轴向的靠近控制器的端部的冷却。
在一些实施例中,沿电机的轴向,液冷槽远离电子模块的一侧具有开口,电机沿轴向朝向控制器的端面盖合于开口。
如此设置,使得液冷槽内的冷却液对电机具有较高的冷却效果。并且,还可以提高控制器的外壳与电机的集成度,从而有助于减小电驱动系统的体积。
第三方面,本申请实施例提供了一种电动设备,包括电驱动系统。
本申请实施例提供的电动设备,由于采用上述涉及的电驱动系统,可以减小控制器的体积,进而可以减小电驱动系统的体积,以减小电驱动系统在电动设备内的占用空间。如此,在电池的数量预定的条件下,可以减小电动设备的机舱,从而使得电动设备能够留出尽可能大的驾乘仓给乘坐人员。在机舱的空间预定的条件下,使得机舱具有较大的空间来布置更多电池。
上述说明仅是本申请技术方案的概述,为了能够更清楚了解本申请的技术手段,而可依照说明书的内容予以实施,并且为了让本申请的上述和其它目的、特征和优点能够更明显易懂,以下特举本申请的具体实施方式。
为了更清楚地说明本申请实施例中的技术方案,下面将对实施例或示范性技术描述中所需要使用的附图作简单地介绍,显而易见地,下面描述中的附图仅仅是本申请的一些实施例,对于本领域普通技术人员来讲,在不付出创造性劳动的前提下,还可以根据这些附图获得其它的附图。
图1为本申请一些实施例提供的车辆的示意图;
图2为本申请一些实施例提供的电驱动系统的部分示意图;
图3为本申请一些实施例提供的电驱动系统的部分立体结构图;
图4为图3所示的电驱动系统的控制器的部分立体结构图;
图5为本申请另一些实施例提供的控制器的部分立体结构图;
图6为本申请又一些实施例提供的控制器的部分立体结构图;
图7为本申请再一些实施例提供的电驱动系统的部分立体结构图;
图8为图7所示的电驱动系统的控制器的部分立体结构图;
图9为图4提供的控制器的外壳于一个视角的部分立体结构图;
图10为图4提供的控制器的外壳于另一个视角的部分立体结构图。
其中,图中各附图标记:
1000-车辆;100-电驱动系统;10-控制器;20-电机;30-电池;40-变速器;11-外壳;
1101-液冷槽;1102-开口;1103-第一表面;1104-容纳槽;111-凸台;112-第一壳体;113-第二壳体;114-散热件;12-电子模块;121-功率模块;1211-功率器件;1211a-第一功率器件;1211b-第二功率器件;1212-功率板;12121-子板;1213-第二连接器;122-母线电容;13-控制板;14-第一连接器;15-第三连接器;16-第四连接器;17-第五连接器;18-滤波组件。
1000-车辆;100-电驱动系统;10-控制器;20-电机;30-电池;40-变速器;11-外壳;
1101-液冷槽;1102-开口;1103-第一表面;1104-容纳槽;111-凸台;112-第一壳体;113-第二壳体;114-散热件;12-电子模块;121-功率模块;1211-功率器件;1211a-第一功率器件;1211b-第二功率器件;1212-功率板;12121-子板;1213-第二连接器;122-母线电容;13-控制板;14-第一连接器;15-第三连接器;16-第四连接器;17-第五连接器;18-滤波组件。
下面详细描述本申请的实施例,所述实施例的示例在附图中示出,其中自始至终相同或类似的标号表示相同或类似的元件或具有相同或类似功能的元件。下面通过参考附图描述的实施例是示例性的,旨在用于解释本申请,而不能理解为对本申请的限制。
如果没有特别的说明,本申请实施例的所有实施方式以及可选实施方式可以相互组合形成新的技术方案。
如果没有特别的说明,本申请实施例的所有技术特征以及可选技术特征可以相互组合形成新的技术方案。
在本申请实施例的描述中,需要理解的是,术语“长度”、“宽度”、“上”、“下”、“前”、“后”、“左”、“右”、“竖直”、“水平”、“顶”、“底”、“内”、“外”等指示的方位或位置关系为基于附图所示的方位或位置关系,仅是为了便于描述本申请和简化描述,而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作,因此不能理解为对本申请的限制。
此外,术语“第一”、“第二”仅用于描述目的,而不能理解为指示或暗示相对重要性或者隐含指明所指示的技术特征的数量。由此,限定有“第一”、“第二”的特征可以明示或者隐含地包括一个或者更多个该特征。
在本申请实施例的描述中,“多个”的含义是两个以上,除非另有明确具体的限定,“两个以上”包含两个。相应地,“多组”的含义是两组以上,包含两组。
在本申请实施例的描述中,除非另有明确的规定和限定,术语“安装”、“相连”、“连接”、“固定”等术语应做广义理解,例如,可以是固定连接,也可以是可拆卸连接,或成一体;可以是机械连接,也可以是电连接;可以是直接相连,也可以通过中间媒介间接相连,可以是两个元件内部的连通或两个元件的相互作用关系。对于本领域的普通技术人员而言,可以根据具体情况理解上述术语在本申请中的具体含义。
在本申请的描述中,术语“和/或”,仅仅是一种描述关联对象的关联关系,表示可以存在三种关系,例如,A和/或B,可以表示:存在A,同时存在A和B,存在B这三种情况。另外,本申请中,字符“/”,一般表示前后关联对象是一种“或”的关系。
虽然已经参考优选实施例对本申请进行了描述,但在不脱离本申请的范围的情况下,可以对其进行各种改进并且可以用等效物替换其中的部件。尤其是,只要不存在结构冲突,各个实施例中所提到的各项技术特征均可以任意方式组合起来。本申请并不局限于文中公开的特定实施例,而是包括落入权利要求的范围内的所有技术方案。
随着电动汽车行业的发展,电驱动系统朝着小型化、集成化的方向发展,电驱动系统所在的车辆的机舱也被要求做得更加紧凑,空间利用率要求进一步提高,以使车辆能够留出尽可能大的驾乘仓给乘坐人员或者能够留出尽可能大的机舱以放置尽可能多的电池。
相关技术中,电驱动系统的控制器的功率模块、母线电容等电子模块一般采用整体式的标准模块。以控制器的功率模块为例,功率模块一般采用整体式标准的功率模块,例如,
功率模块可以由标准的全桥功率模块或者3个标准的半桥功率模块构成。在一些情况下,标准的功率模块的体积尺寸固定且较大,这使得控制器具有较大的体积尺寸,难以实现小型化设计,进而使得电驱动系统的体积较大,需占用车辆较大的空间。
基于以上考虑,本申请实施例提供了一种控制器、电驱动系统及电动设备,通过设置控制器的电子模块包括多个电性连接的分立器件,使得电子模块通过多个分立器件布局于外壳。这样,一方面可以减小电子模块的体积,另一方面可以提高电子模块在外壳上的布局灵活性,以有助于提高控制器的空间利用率。基于此,可以减小控制器的体积,进而可以减小电驱动系统的体积,以减小电驱动系统在车辆内的占用空间。
本申请实施例涉及的控制器可以应用于使用电驱动系统作为动力源的电动设备,电动设备可以为但不限于车辆、电动玩具、电瓶车、轮船、航天器、挖掘机等等。其中,电动玩具可以包括固定式或移动式的电动玩具,例如,电动汽车玩具、电动轮船玩具和电动飞机玩具等等。航天器可以包括飞机、火箭、航天飞机和宇宙飞船等等。
为了方便说明,本申请一些实施例以电动设备为车辆为例进行说明。
请参阅图1,图1为本申请一些实施例提供的车辆1000的示意图。按照动力来源划分,车辆1000可以为纯电动汽车、混合动力汽车或增程式汽车等。按照驱动方式划分,车辆1000可以为前驱汽车、后驱汽车或四驱汽车。
在本申请的一些实施例中,车辆1000可以包括车体和电驱动系统100。
车体为车辆1000的主要支撑部件,车体具有机舱和驾乘舱。其中,机舱用于容纳车辆1000的电驱动系统100等,驾乘舱用于为驾乘人员提供操作空间和乘坐空间。当车辆1000为前驱汽车时,机舱设置于车体的头部,即机舱为前机舱。当车辆1000为后驱汽车时,机舱设置于车体的尾部,即机舱为后机舱。当车辆1000为四驱汽车时,机舱分为前机舱和后机舱,前机舱设置于车体的头部,后机舱设置于车体的尾部。驾乘舱设置于车体的头部与尾部之间。
电驱动系统100是车辆1000的动力系统,电驱动系统100用于将电能转化为机械能,以驱动车辆1000启动、导航、行驶和行驶过程中的工作用电需求等。电驱动系统100设置于车体上,具体地,电驱动系统100的一部分可以设置于机舱内,电驱动系统100的另一部分可以设置于车体的底部。
请一并参阅图1和图2,图2为本申请一些实施例提供的电驱动系统100的部分示意图。在本申请的一些实施例中,电驱动系统100可以包括控制器10,控制器10用于控制电驱动系统100的运行,以实现对车辆1000的控制。
电驱动系统100还可以包括电机20。控制器10用于将直流电转换成交流电并将该交流电输出至电机20,以控制电机20的运转,从而可以实现对车辆1000的驱动控制。例如,控制器10可以控制电机20的启动、变速和停止,以驱动车辆1000启动、变速和停止等。
电驱动系统100还可以包括电池30,控制器10还可以用于控制电池30为电机20供电,例如用于车辆1000的启动、导航和行驶时的工作用电需求。具体地,控制器10电性连接于电池30,控制器10用于将电池30提供的直流电转换成交流电,并将该交流电输出至电机20。
控制器10也可以用于将交流电转化为直流电,例如在车辆1000的动能回收时,电机20能够将驱动其转动的机械能变为交流电,而控制器10能够将该交流电转化为直流电,并回充至电池30中。
在本申请的一些实施例中,电驱动系统100还可以包括变速器40,变速器40与电机20相连,以实现电机20的扭矩改变。变速器40(Transmission),又称变速箱,是用来改变来自电机20的转速和转矩的机构,它能固定或分档改变输出轴和输入轴传动比。
可以理解地,可以将控制器10与电机20集成,以形成电驱动系统100。也可以将电池30与控制器10集成,以形成电驱动系统100。还可以将控制器10、电池30与电机20集成,以形成电驱动系统100。还可以将控制器10、电机20和变速器40集成,以形成电
驱动系统100。还可以将控制器10、电机20、变速器40和电池30集成,以形成电驱动系统100。当然,在一些实施例中,电驱动系统100还可以集成其他结构,如冷却油路等。
请一并参阅图3和图4,图3为本申请一些实施例提供的电驱动系统100的部分立体结构图,图4为图3所示的电驱动系统100的控制器10的部分立体结构图。本申请实施例提供的控制器10包括外壳11和电子模块12,电子模块12设置于外壳11。电子模块12包括多个分立器件,多个分立器件分布于外壳11,且多个分立器件电连接。
外壳11是指控制器10的机壳结构,用于至少安装和支撑电子模块12。
电子模块12是指用于在通电时可以实现预定功能的电子器件。电子模块12可以包括无线电容、功率模块121等。例如,电子模块12包括功率模块121,电子模块12可以在通电时实现将直流电转化为交流电的功能,从而使得控制器10可以实现将直流电转化为交流电并将交流电输出给电机20的功能。
分立器件是指具有单独功能且功能不能拆分的电子器件。可以理解地,多个分立器件构成电子模块12。
多个分立器件分布于外壳11,可以是多个分立器件间隔分布于外壳11;也可以是多个分立器件相互抵持地分布于外壳11;还可以是其中一部分分立器件间隔分布于外壳11,另一部分分立器件相互抵持地分布于外壳11。
多个分立器件电连接,可以是多个分立器件串联;也可以是多个分立器件并联;还可以是多个分立器件混联。其中,混联是指多个分立器件中可以有串联、并联或其他形式的电性连接中的至少两个。
其中,下文各实施例列举了电子模块12的几种类型,关于电子模块12的每种类型,都具有不同的电性连接关系,下文对应位置会做出相应的解释。
基于上述结构,可以将多个分立器件电性连接,以构成电子模块12。可以将多个分立器件布局于外壳11,且将多个分立器件电性连接,以构成控制器10。
本申请实施例提供的控制器10,通过设置控制器10的电子模块12包括多个电性连接的分立器件,使得电子模块12通过多个分立器件布局于外壳11。这样,一方面,分立器件的体积非常小,而电子模块12通过多个分立器件构成,使得电子模块12相较于标准模块而言,体积更小,如此可以减小电子模块12的体积。另一方面,每个分立器件都可以灵活地布局于外壳11的各个位置,使得电子模块12在外壳11上的布局具有较高的灵活性,不易受到空间的限制,从而使得电子模块12可以充分、有效地利用控制器10的内部空间,如此有助于提高控制器10的空间利用率,使得控制器10的内部器件可以高度集成。因此,可以减小控制器10的体积,进而可以减小电驱动系统100的体积,以减小电驱动系统100在车辆1000内的占用空间。如此,在电池30的数量预定的条件下,可以减小车辆1000的机舱,从而使得车辆1000能够留出尽可能大的驾乘仓给乘坐人员。在机舱的空间预定的条件下,使得机舱具有较大的空间来布置更多电池30。
此外,电子模块12通过多个分立器件构成的设置,使得电子模块12具有较强的可扩展性,具体可以通过增加或减少分立器件的数量来实现电子模块12的拓展。而采用标准模块的电子模块12,只能直接更换更高或更低规格的模块,可拓展性较弱。因此,本申请实施例提供的控制器10,电子模块12的可扩展性和可配置性较高,使得控制器10或电驱动系统100的设计十分灵活,可以灵活、方便地进行定制化应用,且制造成本低。
在一些实施例中,请一并参阅图3和图4,且结合其他附图。电子模块12包括功率模块121,功率模块121包括多个功率器件1211,多个功率器件1211分布于外壳11,且多个功率器件1211电连接。并且,功率器件1211采用分立器件。
功率模块121是控制器10的核心部件,主要用于电能变换和控制电路。具体地,功率模块121可以将直流电转化为交流电。其中,功率模块121的输出端可以直接或间接地连接电机20,以能够将转化成的交流电输出给电机20,从而给电机20提供动力。另外,功率模块121也可以将交流电转化为直流电,例如在车辆1000的动能回收时,电机20能够
将驱动其转动的机械能变为交流电,而功率模块121能够将该交流电转化为直流电,并回充至电池30中。
功率器件1211是指功率模块121中的用于实现电能变换和控制电路功能的分立器件。
多个功率器件1211电连接,以使多个功率器件1211能够构成功率模块121。
可以理解地,电子模块12包括功率模块121,功率模块121包括多个功率器件1211,且至少部分上述分立器件为功率器件1211。
通过多个为分立器件的功率器件1211构成功率模块121,一方面,分立器件的体积非常小,可以减小功率模块121的体积。另一方面,每个分立器件都可以灵活地布局于外壳11的各个位置,使得功率模块121在外壳11上的布局具有较高的灵活性,不易受到空间的限制,从而使得功率模块121可以充分、有效地利用控制器10的内部空间,如此有助于提高控制器10的空间利用率,使得控制器10的内部器件可以高度集成。因此,可以减小控制器10的体积,进而可以减小电驱动系统100的体积,以减小电驱动系统100在车辆1000内的占用空间。此外,功率模块121的可扩展性和可配置性较高,使得控制器10或电驱动系统100的设计十分灵活,可以灵活、方便地进行定制化应用,且制造成本低。
在一些实施例中,请一并参阅图3和图4,且结合其他附图。控制器10还包括与功率模块121电性连接的第三连接器15,且第三连接器15还用于与电机20电性连接。
第三连接器15是指用于实现电性连接的导电连接件。其中,第三连接器15可以由多个铜排构成,也可以是插接式的连接器等。
如此设置,使得功率模块121可以用于电能变换和控制电路。具体地,功率模块121可以将直流电转化为交流电,并通过第三连接器15将该交流电输出给电机20,以给电机20提供动力。
在一些实施例中,请一并参阅图3至图6,且结合其他附图。其中,图5为本申请另一些实施例提供的控制器10的部分立体结构图,图6为本申请又一些实施例提供的控制器10的部分立体结构图。功率模块121还包括功率板1212,功率板1212设置于外壳11,多个功率器件1211设置于功率板1212上。
功率板1212是功率模块121的电路板。其中,功率板1212可以是柔性电路板或硬质电路板。
多个功率器件1211设置于功率板1212,使得功率器件1211与功率板1212导通。基于此,多个功率器件1211可以通过功率板1212实现电性连接。
通过功率器件1211设置于功率板1212,以构成功率模块121,一方面,使得功率模块121具有较小的体积,利于有效、充分地利用控制器10的内部空间,以有助于减小控制器10和电驱动系统100的体积。另一方面,使得功率模块121的制造工艺十分简单,且成本低。此外,通过功率器件1211设置于功率板1212,使得功率模块121的布置灵活性较高,能够充分有效地利用控制器10的内部空间,从而有助于减小控制器10的体积。
在一些实施例中,功率器件1211可以采用表面贴装技术(SMT,Surface Mounted Technology)封装于功率板1212上。
如此设置,使得功率模块121的制造工艺、扩展工艺十分简单,且成本低。
在一些实施例中,请一并参阅图3至图6,且结合其他附图。控制器10还包括控制板13,功率板1212和控制板13通过第一连接器14电连接。
控制板13是控制器10的电路板,主要用于给功率模块121提供控制信号,以使功率模块121可以基于该控制信号进行电能变换和电路控制工作。其中,控制板13可以是柔性电路板或硬质电路板。
第一连接器14是指用于实现电性连接的导电连接件,具体用于实现功率板1212和控制板13之间的电性连接。其中,第一连接器14可以是板间连接器、线束、铜排等。
如图3至图6所示,第一连接器14设置于功率板1212,且与功率板1212电性连接。第一连接器14还电性连接于控制板13,以实现功率板1212和控制板13之间的电性连接,
即实现了功率模块121和控制板13之间的电性连接。
通过控制板13和功率板1212之间通过第一连接器14实现电性连接,以实现功率模块121和控制板13之间的电性连接。基于此,功率模块121可以在控制板13的控制作用下,将直流电转换为交流电,以将该交流电输出给电机20。
在一些实施例中,请参阅图6,且结合其他附图。其中,图5为本申请另一些实施例提供的控制器10的部分立体结构图。功率板1212包括多个子板12121,多个子板12121间隔设置于外壳11,多个功率器件1211分设于多个子板12121。
子板12121为功率模块121的电路板,多个子板12121构成功率板1212。
多个功率器件1211分设于多个子板12121,使得每个子板12121上都设置有功率器件1211,每个子板12121上的功率器件1211的数量都可以是一个或多个。
其中,子板12121上的功率器件1211与该子板12121电性连接。
通过功率板1212包括多个子板12121,且多个功率器件1211分设于多个子板12121,以使每个子板12121及其上的功率器件1211可以灵活地布置于外壳11,使得功率模块121在控制器10内的布局灵活性较高,如此有助于充分、有效地利用控制器10的内部空间,以减小控制器10的体积。
作为一个示例,如图6所示,功率板1212包括三个子板12121,每个子板12121上都设有多个上述功率器件1211。可以理解地,多个功率器件1211分为三部分,每一部分设置于对应的子板12121,且与该子板12121电性连接。并且,三个子板12121并联设置,使得三部分功率器件1211实现并联。
需要补充说明的是,请参阅图6,且结合图3。每个子板12121上都可以设置有上述第一连接器14,每个子板12121上的第一连接器14都与控制板13电连接,以使每个子板12121都可以通过对应的第一连接器14电连接于控制板13。
在一些实施例中,请一并参阅图7和图8,且结合其他附图。其中,图7为本申请再一些实施例提供的电驱动系统100的部分立体结构图,图8为图7所示电驱动系统100的控制器10的部分立体结构图。外壳11设有凸台111,功率器件1211设置于凸台111上。
可以理解地,功率模块121可以不设置功率板1212,即功率器件1211可以不设置于功率板1212上,而是直接设置于外壳11的凸台111上。
如此设置,可以减少功率板1212的使用,有助于减小功率模块121的体积,也有助于提高功率模块121在外壳11上的布局灵活性,从而可以提高控制器10的空间利用率,有助于减小控制器10的体积,进而减小电驱动系统100的体积,以减小电驱动系统100在车辆1000内的占用空间。
在一些实施例中,请一并参阅图7和图8,且结合其他附图。控制器10还包括控制板13,功率器件1211插接于控制板13上。
如图7所示,功率器件1211的引脚插接于控制板13,以实现功率器件1211与控制板13的电性连接。
通过功率器件1211插接于控制板13,实现了功率器件1211与控制板13的电性连接,也即是实现了功率模块121与控制板13的电性连接。
在一些实施例中,请一并参阅图3至图8,且结合其他附图。多个功率器件1211分为三组,三组功率器件1211并联设置。每组功率器件1211包括多个功率器件1211,每组的多个功率器件1211电连接。
作为一个示例,如图3至图8所示,每组的多个功率器件1211分为第一功率器件1211a和第二功率器件1211b。每组的第一功率器件1211a和第二功率器件1211b通过第二连接器1213汇流,以汇流至上述第三连接器15。具体地,第二连接器1213分别连接于第一功率器件1211a和第二功率器件1211b,以实现每组功率器件1211的汇流。
当第一功率器件1211a的数量为多个时,多个第一功率器件1211a并联设置。当多个第二功率器件1211b的数量为多个时,多个第二功率器件1211b并联设置。并且,每组的
多个功率器件1211中,多个第一功率器件1211a并联形成的整体、多个第二功率器件1211b并联形成的整体通过第二连接器1213汇流,以汇流至上述第三连接器15。即,每组的多个第一功率器件1211a构成该组功率器件1211的上桥臂,每组的多个第二功率器件1211b构成该组功率器件1211的下桥臂。
如图3至图8所示,第二连接器1213和第三连接器15之间设置有第四连接器16,第四连接器16与第二连接器1213电连接,且第四连接器16还与第三连接器15连接,以使每组功率器件1211可以汇流至第三连接器15,且三组功率器件1211并联设置。其中,第二连接器1213和第四连接器16都可以是用于实现电性连接的导电连接件,例如可以是板间连接器、线束、铜排等。
如此设置,使得多个功率器件1211分为三组,且三组功率器件1211并联设置,如此使得功率模块121可以用于电能变换和控制电路。
在一些实施例中,请一并参阅图3至图8,且结合其他附图。至少一组功率器件1211分为第一功率器件1211a和第二功率器件1211b。该组功率器件1211中,第一功率器件1211a的数量和第二功率器件1211b的数量都为多个。
在一些可能的设计中,如图4、图6和图8所示,至少一组的多个第一功率器件1211a沿直线间隔分布;或者,如图5所示,至少一组的多个功率器件1211沿曲线间隔分布。
在另一些可能的设计中,如图4、图6和图8所示,至少一组的多个第二功率器件1211b沿直线间隔分布;或者,如图5所示,至少一组的多个第二功率器件1211b沿曲线间隔分布。
在又一些可能的设计中,如图4、图6和图8所示,至少一组的多个第一功率器件1211a沿直线间隔分布;或者,如图5所示,至少一组的多个功率器件1211沿曲线间隔分布。并且,如图4、图6和图8所示,至少一组的多个第二功率器件1211b沿直线间隔分布;或者,如图5所示,至少一组的多个第二功率器件1211b沿曲线间隔分布。
需要说明的是,每组的多个第一功率器件1211a可以构成该组功率器件1211的上桥臂,相应地,该组的多个第二功率器件1211b构成该组功率器件1211的下桥臂。当然,每组的多个第一功率器件1211a也可以和部分第二功率器件1211b构成该组功率器件1211的上桥臂,该组的其余第二功率器件1211b构成该组功率器件1211的下桥臂。
通过每组的多个第一功率器件1211a可以沿直线或曲线间隔分布,且每组的多个第二功率器件1211b也可以沿直线或曲线间隔分布,使得每组的功率器件1211的布局灵活性非常高。这样,利于提高控制器10的内部器件的集成度,以提高控制器10的空间利用率,如此可以减小控制器10的体积,进而可以减小电驱动系统100的体积,以减小电驱动系统100在车辆1000内的占用空间。并且,也利于提高功率模块121的可扩展性和可配置性。
在一些实施例中,请一并参阅图4和图5,且结合其他附图。每组功率器件1211分为第一功率器件1211a和第二功率器件1211b。
在一些可能的设计中,如图4所示,三组第一功率器件1211a沿直线间隔分布;或者,如图5所示,三组第一功率器件1211a沿曲线间隔分布。
在另一些可能的设计中,如图4所示,三组第二功率器件1211b沿直线间隔分布;或者,如图4所示,三组第二功率器件1211b沿曲线间隔分布。
在又一些可能的设计中,如图4所示,三组第一功率器件1211a沿直线间隔分布;或者,如图5所示,三组第一功率器件1211a沿曲线间隔分布。并且,如图4所示,三组第二功率器件1211b沿直线间隔分布;或者,如图5所示,三组第二功率器件1211b沿曲线间隔分布。
如此设置,使得三组的功率器件1211在外壳11上的布局十分灵活。这样,利于提高控制器10的内部器件的集成度,以提高控制器10的空间利用率,如此可以减小控制器10的体积,进而可以减小电驱动系统100的体积,以减小电驱动系统100在车辆1000内的占用空间。并且,也利于提高功率模块121的可扩展性和可配置性。
在一些实施例中,请一并参阅图3至图8,且结合其他附图。电子模块12还包括母线电容122,母线电容122设于外壳11,母线电容122与功率模块121电性连接。
母线电容122是指用于稳压、在一定程度上保证电路稳定性的电子器件。
控制器10工作时,直流电可以依次通过母线电容122和功率模块121,然后依次通过上述第二连接器1213、第四连接器16和第三连接器15输出给电机20。
如此设置,使得母线电容122可以稳定地将直流电输出给功率模块121,以使功率模块121能够将该直流电转变为交流电,并输出给电机20。
在一些实施例中,请一并参阅图3至图6,且结合其他附图。功率模块121还包括上述功率板1212,功率板1212设置于外壳11。功率器件1211设置于功率板1212上,且母线电容122与功率板1212电连接。
具体地,如图3至图6所示,母线电容122和功率模块121之间设置有第五连接器17,第五连接器17分别电性连接于母线电容122和功率板1212,以实现母线电容122与功率板1212的电连接。
如此设置,在功率模块121设置有功率板1212的情况下,母线电容122可以电性连接于功率板1212,以实现母线电容122和功率模块121的电性连接。
或者,在另一些实施例中,请一并参阅图7和图8,且结合其他附图。多个功率器件1211分为三组,三组功率器件1211并联设置。每组功率器件1211包括多个功率器件1211,每组的多个功率器件1211通过第二连接器1213进行汇流,且母线电容122与第二连接器1213电连接。
具体地,如图7和图8所示,母线电容122和功率模块121之间设置有第五连接器17,第五连接器17分别电性连接于母线电容122和第二连接器1213,以实现母线电容122与第二连接器1213的电连接。
如此设置,在功率模块121没有设置功率板1212的情况下,母线电容122可以电性连接于第二连接器1213,以实现母线电容122和功率模块121的电性连接。
可以理解地,母线电容122和功率模块121之间可以通过第五连接器17实现电性连接,具体为,第五连接器17和功率模块121电性连接,且第五连接器17和母线电容122电性连接。第五连接器17和功率模块121电性连接,具体可以是第五连接器17和功率板1212电性连接;或者,第五连接器17和第二连接器1213电性连接。
其中,第五连接器17是用于实现电性连接的导电连接件,例如可以是板间连接器、线束、铜排等。
需要补充说明的是,当功率模块121设置有功率板1212,每组的多个功率器件1211也可以通过第二连接器1213进行汇流。具体地,第二连接器1213设置于功率板1212,以使得第二连接器1213实现每组的多个功率器件1211的汇流。
基于上述结构,每组的多个功率器件1211可以分为第一功率器件1211a和第二功率器件1211b,第二连接器1213分别电性连接于第一功率器件1211a和第二功率器件1211b,以实现每组的多个功率器件1211的汇流。
在一些实施例中,母线电容122包括多个电容器件(图未示出),多个电容器件并联设置,且电容器件采用分立器件。
电容器件为母线电容122的主要电子器件,可以理解地,多个电容器件并联构成母线电容122。
可以理解地,至少部分上述分立器件为电容器件。
母线电容122和功率模块121电性连接,具体地,多个电容器件并联形成的整体电性连接于功率模块121。多个电容器件并联形成的整体连接于第五连接器17,且第五连接器17连接于功率模块121的功率板1212或第二连接器1213,如此实现母线电容122和功率模块121的电性连接。
通过母线电容122设置为包括多个并联设置的电容器件,且电容器件为分立器件,一
方面,使得母线电容122具有较小的体积,进而有助于提高控制器10的空间利用率,以减小控制器10的体积。另一方面,每个电容器件都可以灵活地布局于外壳11的各个位置,使得母线电容122在外壳11上的布局具有较高的灵活性,不易受到空间的限制,从而使得母线电容122可以充分、有效地利用控制器10的内部空间,如此有助于提高控制器10的空间利用率,使得控制器10的内部器件可以高度集成。因此,可以减小控制器10的体积,进而可以减小电驱动系统100的体积,以减小电驱动系统100在车辆1000内的占用空间。此外,分立器件的设置,使得母线电容122的可扩展性和可配置性较高,进而使得控制器10或电驱动系统100的设计十分灵活,可以灵活、方便地进行定制化应用,且制造成本低。
在一些实施例中,请一并参阅图3至图9,且结合其他附图。其中,图9为本申请一些实施例提供的控制器10的外壳11于一个视角的部分立体结构图。外壳11设有第一表面1103,功率模块121设于第一表面1103上。第一表面1103设有容纳槽1104,容纳槽1104与功率模块121间隔分布,母线电容122的至少部分设于容纳槽1104内。
第一表面1103是指外壳11上用于设置功率模块121的表面。
容纳槽1104是指设置于第一表面1103的槽,用于容纳母线电容122的至少部分。
如此设置,能够尽量使得功率模块121和母线电容122在外壳11上的高度相当,利于功率模块121和母线电容122在外壳11上的布局,如此有助于提高控制器10的内部器件的集成度,以减小控制器10的体积。
在一些实施例中,请参阅图10,且结合其他附图。其中,图10为本申请一些实施例提供的控制器10的外壳11于另一个视角的部分立体结构图。外壳11设有液冷槽1101,液冷槽1101与电子模块12隔离,液冷槽1101用于循环与电子模块12换热的冷却液。
液冷槽1101是指设置于外壳11上的,且用于实现液冷的槽。
具体地,冷却液可以进出液冷槽1101,以在液冷槽1101内循环。冷却液在液冷槽1101内循环流动时,可以与功率模块121、母线电容122等电子模块12进行换热,如此可以实现电子模块12的冷却。
液冷槽1101与电子模块12隔离,是指液冷槽1101与电子模块12之间能够实现液体隔离。具体地,循环于液冷槽1101内的冷却液与电子模块12之间实现隔离,以尽可能地防止冷却液直接进入电子模块12。
如此设置,可以实现对电子模块12的冷却。
在一些实施例中,请参阅图10,且结合其他附图。液冷槽1101内设有多个散热件114,多个散热件114间隔分布。
散热件114是指能够进行散热的部件。如图10所示,散热件114为针形结构。当然,散热件114也可以设置为翅片状或其他形状。
如此设置,一方面,散热件114可以将与电子模块12换热的冷却液的热量进行散发,以较好地实现电子模块12的散热。另一方面,多个间隔分布的散热件114的设置,可以实现冷却液在液冷槽1101内的扰流,从而使得冷却液能够充分地与电子模块12换热,从而可以提高电子模块12的散热效果。
在一些实施例中,请参阅图2,且结合其他附图。外壳11包括第一壳体112和第二壳体113,电子模块12的至少部分设于第一壳体112和第二壳体113围合形成的空间内。
第一壳体112和第二壳体113为外壳11的壳体结构,可以理解地,第一壳体112和第二壳体113构成外壳11。
通过电子模块12的至少部分设置于第一壳体112和第二壳体113围合形成的空间内,可以实现对电子模块12的防护效果。
在一些实施例中,控制器10还可以包括第六连接器(图未示出),第六连接器是指用于实现电性连接的部件。第六连接器电性连接于母线电容122,且用于与电池30等直流电源连接。
在一些实施例中,请一并参阅图3至图8,且结合其他附图。控制器10还可以包括滤
波组件18,滤波组件18电性连接于第六连接器和母线电容122之间。
滤波组件18是指用于降低交流脉动波纹系数提升高效平滑直流输出的一种储能器件。作为一个示例,滤波组件18包括滤波电容。
基于上述结构,电池30等直流电源的直流电可以依次通过第六连接器、滤波组件18、母线电容122和第五连接器17传输至功率模块121,并通过功率模块121转变为交流电,该交流电依次通过第二连接器1213、第四连接器16和第三连接器15传输至电机20,以给电机20提供动力。
基于上述构思,请参阅图2,且结合其他附图。本申请实施例提供的电驱动系统100包括控制器10。其中,本申请实施例涉及的控制器10与上述各实施例中的控制器10相同,具体可进行参考,在此不再重复赘述。
本申请实施例提供的电驱动系统100,通过采用了以上各实施例涉及的控制器10,可以减小控制器10的体积,进而可以减小电驱动系统100的体积,以减小电驱动系统100在车辆1000内的占用空间。如此,在电池30的数量预定的条件下,可以减小车辆1000的机舱,从而使得车辆1000能够留出尽可能大的驾乘仓给乘坐人员。在机舱的空间预定的条件下,使得机舱具有较大的空间来布置更多电池30。
在一些实施例中,请一并参阅图2、图3和图7,且结合其他附图。电驱动系统100还包括电机20,控制器10设于电机20沿轴向的端面。
其中,轴向是指电机20的轴向,具体如图中示意的Z轴。
可以理解地,控制器10的外壳11设置于电机20沿轴向上的端面,以使整个控制器10位于电机20沿轴向上的端面。
在一些情况下,控制器10设置于电机20沿径向上的侧面,具体位于电机20的上方。如此,电驱动系统100中,电机20沿轴向的端面的空间没有被利用而造成浪费,以使得电驱动系统100的体积较大。
本申请实施例提供的电驱动系统100,通过控制器10的电子模块12包括多个电性连接的分立器件,以使控制器10的体积较小。并且,分立器件在控制器10内的布置十分灵活性,如此使得控制器10的外形设置地也比较灵活。如此,使得控制器10可以设置于电机20沿轴向上的端面。通过控制器10设置于电机20沿轴向上的端面,使得控制器10可以充分电机20沿轴向的端面处的空间。具体地,控制器10可以占用电驱动系统100的位于电机20沿轴向上的端面处的空间,以减小电驱动系统100的位于电机20沿轴向上的端面处的空间浪费,如此可以提高电驱动系统100的空间利用率,从而可以减小电驱动系统100的体积,以减小电驱动系统100在车辆1000上的占用空间。
并且,通过将控制器10设置于电机20沿轴向上的端面,而非设置于电机20的上方,可以降低控制器10的重心,进而可以降低整个电驱动系统100的重心,以能够车辆1000的动态性能。
可以理解地,外壳11的第一壳体112设置于电机20沿轴向上的端面。沿电机20的轴向,功率模块121设置于第一壳体112远离电机20的一侧表面。即,第一壳体112沿电机20的轴向远离电机20的一侧表面为上述第一表面1103。
在一些实施例中,请一并参阅图2至图6,且结合其他附图。电子模块12包括功率模块121,功率模块121包括设置于外壳11的功率板1212,功率板1212与电机20的轴向交叉。
功率板1212与电机20的轴向交叉,是指功率板1212的厚度方向与电机20的轴向交叉。
交叉是指两个方向不平行,可以理解地,两个方向可以形成大于0°且小于180°的夹角。其中,功率板1212的厚度方向与电机20的轴向可以相互垂直,也可以不垂直。功率板1212的厚度方向与电机20的轴向可以是位于同一个平面上相交的方向,也可以是分别互为异面的平面上的方向,且功率板1212的厚度方向在电机20的轴向所在的平面上的投
影可以与电机20的轴向相交。
作为一个示例,如图所示,功率板1212与电机20的轴向垂直。
通过功率板1212与电机20的轴向交叉,能够尽量地使得功率板1212的变形及弯曲方向与车辆1000日常工况中的振动的方向不一致,如此可以提高功率板1212的可靠性,进而可以提高电驱动系统100的可靠性。
在一些实施例中,请一并参阅图2、图3和图7,且结合其他附图。控制器10还包括设置于外壳11的控制板13,控制板13与电子模块12电连接,且控制板13与电机20的轴向交叉。
控制板13与电机20的轴向交叉,是指控制板13的厚度方向与电机20的轴向交叉。
交叉是指两个方向不平行,可以理解地,两个方向可以形成大于0°且小于180°的夹角。其中,控制板13的厚度方向与电机20的轴向可以相互垂直,也可以不垂直。控制板13的厚度方向与电机20的轴向可以是位于同一个平面上相交的方向,也可以是分别互为异面的平面上的方向,且控制板13的厚度方向在电机20的轴向所在的平面上的投影可以与电机20的轴向相交。
作为一个示例,如图所示,控制板13与电机20的轴向垂直。
通过控制板13与电机20的轴向交叉,能够尽量地使得控制板13的变形及弯曲方向与车辆1000日常工况中的振动的方向不一致,如此可以提高控制板13的可靠性,进而可以提高电驱动系统100的可靠性。
在一些实施例中,请参阅图2,且结合其他附图。电驱动系统100还包括变速器40,变速器40和控制器10分别设于电机20沿轴向的相对两端。
可以理解地,变速器40设置于电机20沿轴向的其中一个端面,控制器10设置于电机20沿轴向的另一个端面。
如此设置,使得电驱动系统100的变速器40、电机20、控制器10等结构能够高度集成,以减小电驱动系统100的体积,从而可以减小电驱动系统100在车辆1000上的占用空间。
在一些实施例中,请一并参阅图2、图3、图7和图10,且结合其他附图。外壳11设有用于循环冷却液的液冷槽1101。沿电机20的轴向,液冷槽1101设于电子模块12和电机20之间。
通过在电机20的轴向上,液冷槽1101设于电子模块12和电机20之间,使得液冷槽1101内的冷却液不仅可以与电子模块12进行换热,还可以与电机20进行换热。即,控制器10的液冷槽1101可以同时用于实现控制器10和电机20沿轴向的靠近控制器10的端部的冷却,从而可以减少电机20的冷却系统,也有助于减小电驱动系统100的体积。
在一些实施例中,请一并参阅图2、图3、图7和图10,且结合其他附图。沿电机20的轴向,液冷槽1101远离电子模块12的一侧具有开口1102,电机20沿轴向朝向控制器10的端面盖合于开口1102。
可以理解地,外壳11包括第一壳体112。沿电机20的轴向,电子模块12的至少部分设置于第一壳体112的其中一侧,液冷槽1101设置于第一壳体112的另一侧。并且,电机20的端面设置于第一壳体112的另一侧,以盖合第一壳体112另一侧的液冷槽1101的开口1102。
如此设置,使得液冷槽1101内的冷却液可以直接接触电机20沿轴向的端面,使得液冷槽1101内的冷却液对电机20具有较高的冷却效果。并且,还可以提高控制器10的外壳11与电机20的集成度,从而有助于减小电驱动系统100的体积。
基于上述构思,请参阅图1,且结合其他附图。本申请实施例提供的电动设备包括电驱动系统100。其中,本申请实施例涉及的电驱动系统100与上述各实施例中的电驱动系统100相同,具体可进行参考,在此不再重复赘述。
本申请实施例提供的电动设备,通过采用了以上各实施例涉及的电驱动系统100,可
以减小控制器10的体积,进而可以减小电驱动系统100的体积,以减小电驱动系统100在电动设备内的占用空间。如此,在电池30的数量预定的条件下,可以减小电动设备的机舱,从而使得电动设备能够留出尽可能大的驾乘仓给乘坐人员。在机舱的空间预定的条件下,使得机舱具有较大的空间来布置更多电池30。
作为本申请的其中一种实施例,请一并参阅图2至图6,电驱动系统100包括电机20和控制器10,控制器10设置于电机20沿轴向的端面。控制器10包括外壳11和功率模块121。外壳11设置于电机20沿轴向的端面。在电机20的轴向上,功率模块121设置于外壳11远离电机20的一侧。功率模块121包括功率板1212和多个功率器件1211。功率板1212设置于外壳11沿电机20的轴向远离电机20的一侧,多个功率器件1211均设置于功率板1212。并且,功率器件1211为分立器件。
以上仅为本申请的可选实施例而已,并不用于限制本申请。对于本领域的技术人员来说,本申请可以有各种更改和变化。凡在本申请的精神和原则之内,所作的任何修改、等同替换、改进等,均应包含在本申请的权利要求范围之内。
Claims (24)
- 一种控制器(10),其中,包括:外壳(11);电子模块(12),包括分布于所述外壳(11)且电连接的多个分立器件。
- 根据权利要求1所述的控制器(10),其中,所述电子模块(12)包括功率模块(121),所述功率模块(121)包括分布于所述外壳(11)且电连接的多个功率器件(1211),所述功率器件(1211)采用分立器件。
- 根据权利要求2所述的控制器(10),其中,所述功率模块(121)还包括设置于所述外壳(11)的功率板(1212),多个所述功率器件(1211)设置于所述功率板(1212)上。
- 根据权利要求3所述的控制器(10),其中,所述控制器(10)还包括控制板(13),所述功率板(1212)和所述控制板(13)通过第一连接器(14)电连接。
- 根据权利要求3或4所述的控制器(10),其中,所述功率板(1212)包括多个间隔设置于所述外壳(11)的子板(12121),多个所述功率器件(1211)分设于多个所述子板(12121)。
- 根据权利要求2所述的控制器(10),其中,所述外壳(11)设有凸台(111),所述功率器件(1211)设置于所述凸台(111)上。
- 根据权利要求6所述的控制器(10),其中,所述控制器(10)还包括控制板(13),所述功率器件(1211)插接于所述控制板(13)上。
- 根据权利要求2-7任一项所述的控制器(10),其中,多个所述功率器件(1211)分为三组,三组所述功率器件(1211)并联设置,且每组所述功率器件(1211)包括多个电连接的所述功率器件(1211)。
- 根据权利要求8所述的控制器(10),其中,至少一组所述功率器件(1211)分为多个第一功率器件(1211a)和多个第二功率器件(1211b);至少一组多个所述第一功率器件(1211a)沿直线或曲线间隔分布,和/或,至少一组多个所述第二功率器件(1211b)沿直线或曲线间隔分布。
- 根据权利要求2-9任一项所述的控制器(10),其中,所述电子模块(12)还包括设于所述外壳(11)的母线电容(122),所述母线电容(122)与所述功率模块(121)电性连接。
- 根据权利要求10所述的控制器(10),其中,所述功率模块(121)还包括设置于所述外壳(11)的功率板(1212),所述功率器件(1211)设置于所述功率板(1212)上,且所述母线电容(122)与所述功率板(1212)电连接;或者,多个所述功率器件(1211)分为三组,三组所述功率器件(1211)并联设置,每组所述功率器件(1211)包括多个所述功率器件(1211),每组的多个所述功率器件(1211)通过第二连接器(1213)进行汇流,且所述母线电容(122)与所述第二连接器(1213)电连接。
- 根据权利要求10或11所述的控制器(10),其中,所述母线电容(122)包括多个并联设置的电容器件,所述电容器件采用分立器件。
- 根据权利要求10-12任一项所述的控制器(10),其中,所述外壳(11)设有第一表面(1103),所述功率模块(121)设于所述第一表面(1103)上,且所述第一表面(1103)设有与所述功率模块(121)间隔分布的容纳槽(1104),所述母线电容(122)的至少部分设于所述容纳槽(1104)内。
- 根据权利要求1-13任一项所述的控制器(10),其中,所述外壳(11)设有与所述电子模块(12)隔离的液冷槽(1101),所述液冷槽(1101)用于循环与所述电子模块(12) 换热的冷却液。
- 根据权利要求14所述的控制器(10),其中,所述液冷槽(1101)内设有多个间隔分布的散热件(114)。
- 根据权利要求1-15任一项所述的控制器(10),其中,所述外壳(11)包括第一壳体(112)和第二壳体(113),所述电子模块(12)的至少部分设于所述第一壳体(112)和所述第二壳体(113)围合形成的空间内。
- 一种电驱动系统(100),其中,包括根据权利要求1-16任一项所述的控制器(10)。
- 根据权利要求17所述的电驱动系统(100),其中,所述电驱动系统(100)还包括电机(20),所述控制器(10)设于所述电机(20)沿轴向的端面。
- 根据权利要求18所述的电驱动系统(100),其中,所述电子模块(12)包括功率模块(121),所述功率模块(121)包括设置于所述外壳(11)的功率板(1212),所述功率板(1212)与所述电机(20)的轴向交叉。
- 根据权利要求18或19所述的电驱动系统(100),其中,所述控制器(10)还包括设置于所述外壳(11)的控制板(13),所述控制板(13)与所述电子模块(12)电连接,且所述控制板(13)与所述电机(20)的轴向交叉。
- 根据权利要求18-20任一项所述的电驱动系统(100),其中,所述电驱动系统(100)还包括变速器(40),所述变速器(40)和所述控制器(10)分别设于所述电机(20)沿轴向的相对两端。
- 根据权利要求18-21任一项所述的电驱动系统(100),其中,所述外壳(11)设有用于循环冷却液的液冷槽(1101),沿所述电机(20)的轴向,所述液冷槽(1101)设于所述电子模块(12)和所述电机(20)之间。
- 根据权利要求22所述的电驱动系统(100),其中,沿所述电机(20)的轴向,所述液冷槽(1101)远离所述电子模块(12)的一侧具有开口(1102),所述电机(20)沿轴向朝向所述控制器(10)的端面盖合于所述开口(1102)。
- 一种电动设备,其中,包括根据权利要求17-23任一项所述的电驱动系统(100)。
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