CN216545752U - Motor controller and car - Google Patents
Motor controller and car Download PDFInfo
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- CN216545752U CN216545752U CN202122308443.5U CN202122308443U CN216545752U CN 216545752 U CN216545752 U CN 216545752U CN 202122308443 U CN202122308443 U CN 202122308443U CN 216545752 U CN216545752 U CN 216545752U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
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- Y02T10/72—Electric energy management in electromobility
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Abstract
The embodiment of the application provides a motor controller and an automobile, wherein the motor controller comprises a first signal interface, a second signal interface and a processor. The motor controller is connected with the motor through a first signal interface and is connected with other equipment of the vehicle through a second signal interface. During the driving of the vehicle, the motor controller can acquire the driving intention characterizing signal through the second signal interface. The driving intention characterizing signal can reflect the driving demand of the driver for the vehicle. The processor can generate a motor control signal according to the driving intention characterizing signal and output the motor control signal to the motor through a first signal interface of the motor controller so that the motor starts to work under the driving of the motor controller. Therefore, the motor controller is not required to be controlled by the vehicle control unit, so that the control strategy is simplified, and the reliability is improved. Through reducing whole car material management and control, realize whole car cost reduction.
Description
Technical Field
The utility model relates to the technical field of automobiles, in particular to a motor controller and an automobile.
Background
The electric automobile can store electric energy through the storage battery or other energy storage devices, so that the stored electric energy is utilized to drive the automobile to run, and the electric automobile has the advantages of energy conservation, environmental protection, small pollution and the like, and is widely applied. In an electric vehicle, a power system thereof may include a Motor Control Unit (MCU) and a Motor. The motor controller can convert the electric energy from the power battery into a driving signal and control the motor to rotate through the driving signal so as to realize the normal running of the vehicle.
Currently, most power systems of electric vehicles operate under the control of a Vehicle Control Unit (VCU). The vehicle control unit can acquire signals such as accelerator opening and vehicle gear through the sensor, analyze the driving intention of a driver according to the signals, determine the control trend of the driver to the vehicle, generate a corresponding control instruction and send the control instruction to the motor controller, and then the motor controller converts the electric energy of the power battery into a driving signal according to the control instruction.
However, this control method is complicated, prone to malfunction, and expensive to control.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a motor controller and an automobile, and aims to provide a motor controller capable of realizing a control function of the whole automobile.
In a first aspect, an embodiment of the present application provides a motor controller, where the motor controller includes a first signal interface, a second signal interface, and a processor, and is connected to a motor through the first signal interface;
the first signal interface is used for outputting a motor control signal to the motor;
the second signal interface is used for acquiring a driving intention representation signal;
the processor is used for generating the motor control signal according to the driving intention characterizing signal.
Optionally, the driving intention characterizing signal comprises a start signal and an accelerator pedal opening signal, and the second signal interface comprises a first signal sub-interface and a second signal sub-interface;
the first signal sub-interface is used for acquiring a starting signal, and the starting signal is used for starting the processor;
the second signal sub-interface is used for acquiring an opening signal of an accelerator pedal;
and the processor is used for generating the motor control signal according to the opening degree signal of the accelerator pedal.
Optionally, the first signal sub-interface is further configured to obtain a vehicle gear signal;
and the processor is used for generating the motor control signal according to the accelerator pedal opening degree signal and the vehicle gear signal.
Optionally, the first signal interface includes a third signal sub-interface, a fourth signal sub-interface, and a fifth signal sub-interface;
the third signal sub-interface is used for sending a rotary-transformation recovery sine signal to the motor;
the fourth signal sub-interface is used for sending a rotary-transformation recovery sine signal to the motor;
and the fifth signal sub-interface is used for sending a rotary change excitation signal to the motor.
Optionally, the motor controller further comprises a third signal interface, a fourth signal interface and a fifth signal interface;
the third signal interface is used for outputting a first control signal, and the first control signal is used for controlling the on or off of the low-voltage main relay;
the fourth signal interface is used for outputting a second control signal, and the second control signal is used for controlling the opening or closing of the water pump relay;
and the fifth signal interface is used for outputting a third control signal, and the third control signal is used for controlling the on or off of the vacuum pump relay.
Optionally, the motor controller further comprises a first high voltage input interface and a second high voltage input interface;
the first high-voltage input interface is used for inputting three-phase high-voltage electricity;
and the second high-voltage input interface is used for connecting the motor controller to a high-voltage bus.
Optionally, the motor controller further comprises a sixth signal interface;
and the sixth signal interface is used for acquiring a vacuum tank signal.
Optionally, the motor controller further comprises a seventh signal interface;
the seventh signal interface is used for acquiring a brake signal;
the processor is further configured to generate the motor control signal according to the braking signal.
Optionally, the motor controller is located inside a box having a mounting hole.
In a second aspect, embodiments of the present application provide an automobile, which includes a motor controller and a motor as described in the foregoing first aspect;
the motor is used for working under the control of the motor controller.
The embodiment of the application provides a motor controller and an automobile, wherein the motor controller comprises a first signal interface, a second signal interface and a processor. The motor controller is connected with the motor through a first signal interface and is connected with other equipment of the vehicle through a second signal interface. During the driving of the vehicle, the motor controller can acquire the driving intention characterizing signal through the second signal interface. The driving intention characterizing signal can reflect the driving demand of the driver for the vehicle. The processor can generate a motor control signal according to the driving intention characterizing signal and output the motor control signal to the motor through a first signal interface of the motor controller so that the motor starts to work under the driving of the motor controller. Therefore, the motor controller can directly acquire the driving intention characterizing signal for characterizing the driving intention of the driver, the driving intention characterizing signal is analyzed by the processor, the driving intention of the driver is determined, the corresponding motor control signal is generated, and the motor is controlled to output according to the requirement of the driver. Therefore, the motor controller is not required to be controlled by the vehicle control unit, so that the control strategy is simplified, and the reliability is improved. Through reducing whole car material management and control, realize whole car cost reduction.
Drawings
To illustrate the technical solutions in the present embodiment or the prior art more clearly, the drawings needed to be used in the description of the embodiment or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a conventional vehicle control system provided in an embodiment of the present application;
fig. 2 is a schematic diagram of a possible structure of a motor controller according to an embodiment of the present application.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the following detailed description is made on the conventional connection box for train and the connection box provided in the embodiments of the present application with reference to the specific drawings and the specific embodiments.
Referring to fig. 1, fig. 1 is a schematic structural diagram of a conventional vehicle control system provided in an embodiment of the present application. As shown in fig. 1, a conventional vehicle control system may include an accelerator pedal sensor 111, a brake pedal sensor 112, a pressure sensor 113, a vehicle controller 120, a motor controller 130, a power battery 140, and a motor 150. The vehicle controller 120 is connected to the motor controller 130, the accelerator pedal sensor 111, the brake pedal sensor 112, and the pressure sensor 113, and the power battery 140 and the motor 150 are connected to the motor controller 130.
The vehicle controller 120 may acquire signals from the accelerator pedal sensor 111, the brake pedal sensor 112, and the pressure sensor 113, and generate a control command according to the acquired signals. Vehicle control unit 120 may then send control commands to motor controller 130. The motor controller 130 may convert the electric energy from the power battery 140 into a driving signal according to a control command from the vehicle controller 120, so as to control the motor to operate according to the driving signal, thereby implementing the driving intention of the driver.
As can be seen from fig. 1, the vehicle control unit is an indispensable part of the conventional vehicle control system. Therefore, the design and installation of the vehicle controller is required during the manufacturing process of the vehicle. Not only improves the complexity of vehicle material management, promotes the vehicle cost, but also reduces the reliability of the vehicle.
Therefore, the embodiment of the application provides a motor controller and an automobile, and the functions of the whole automobile controller are integrated into the motor controller, so that the structure of the automobile is optimized, the control strategy of the automobile is simplified, and the reliability of the automobile is improved.
Referring to fig. 2, fig. 2 is a schematic structural diagram of a motor controller according to an embodiment of the present application. The motor controller 200 may include a first signal interface 210, a second signal interface 220, and a processor 230. The first signal interface 210 and the second signal interface 220 may be two different signal interfaces, or may be different pins (pins) in the same signal interface. Alternatively, the first signal interface 210 or the second signal interface 220 may include one or more pins. For example, in some possible implementations, motor controller 200 may include a 28 pin integrated signal interface. 8 pins can be used as the first signal interface 210, and some of the other 20 pins are used as the second signal interface.
In the present embodiment, the motor controller 200 may obtain the driving intention characterizing signal through the second signal interface 220. The driving intention characterizing signal can reflect the driving intention of the driver to the vehicle. Alternatively, the driving intention characterizing signal may comprise, for example, signals such as an accelerator opening signal and a vehicle gear signal.
After the driving intention characterizing signal is acquired through the second signal interface 220, the processor 230 in the motor controller 200 may analyze the driving intention of the driver according to the driving intention characterizing signal, determine the motor output corresponding to the driving intention, and then generate a corresponding motor control signal. The motor control signal may then be output to the motor via the first interface signal 210.
The embodiment of the application provides a motor controller, wherein the motor controller comprises a first signal interface, a second signal interface and a processor. The motor controller is connected with the motor through a first signal interface and is connected with other equipment of the vehicle through a second signal interface. During driving of the vehicle, the motor controller can acquire the driving intention representing signal through the second signal interface. The driving intention characterizing signal can reflect the driving demand of the driver for the vehicle. The processor can generate a motor control signal according to the driving intention characterizing signal and output the motor control signal to the motor through a first signal interface of the motor controller so that the motor starts to work under the driving of the motor controller. Therefore, the motor controller can directly acquire the driving intention characterizing signal for characterizing the driving intention of the driver, the driving intention characterizing signal is analyzed by the processor, the driving intention of the driver is determined, the corresponding motor control signal is generated, and the motor is controlled to output according to the requirement of the driver. Therefore, the motor controller is not required to be controlled by the vehicle control unit, so that the control strategy is simplified, and the reliability is improved. Through reducing whole car material management and control, realize whole car cost reduction.
The motor controller provided in the embodiments of the present application is further described below.
In some possible implementations, the aforementioned driving intent representative signal may include an activation signal and an accelerator pedal opening signal. The starting signal can be used for controlling whether the vehicle is started or not, and the accelerator pedal opening degree signal represents the stepping degree of the accelerator of the vehicle by a driver. Accordingly, the second signal interface may include a first signal subinterface and a second signal subinterface. The first signal sub-interface is used for obtaining a starting signal, and the second signal device interface is used for obtaining an opening degree signal of an accelerator pedal. The processor can enter a working state under the triggering of the starting signal and generate a motor control signal according to the opening degree signal of the accelerator pedal.
Alternatively, the first signal subinterface may be connected to a vehicle bus, for example, a Controller Area Network (CAN) bus. The first signal sub-interface may comprise two pins for receiving a CAN + signal and a CAN-signal, respectively. The second signal sub-interface may include four pins for receiving a 5V power signal, a first throttle signal, a second throttle signal, and a ground signal, respectively. The first throttle signal and the second throttle signal can be throttle pedal opening degree signals acquired in an AD acquisition mode
In some possible implementations, the first signal subinterface may also be used to derive a vehicle gear signal. When the processor generates the motor control signal, the processor can synthesize the opening degree signal of the accelerator pedal and the gear signal of the vehicle to generate the motor control signal. For example, the rotational direction of the motor may be determined according to a vehicle gear (e.g., a forward gear or a reverse gear), or the output torque of the motor may be determined according to the vehicle gear. Optionally, the vehicle gear signal may be transmitted to the motor controller via a CAN bus, and then the motor controller may obtain the vehicle gear signal via the first signal sub-interface.
In some possible implementations, the motor control signals used to control the motor may include a resolver recovered sinusoidal signal, and a resolver excitation signal. The first signal interface may then comprise a third signal sub-interface, a fourth signal sub-interface and a fifth signal sub-interface. The third signal sub-interface is used for sending a rotary-change recovery sine signal to the motor; the fourth signal sub-interface is used for sending a rotary-transformation recovery sine signal to the motor; and the fifth signal sub-interface is used for sending a rotary change excitation signal to the motor. Optionally, the third signal sub-interface, the fourth signal sub-interface, and the fifth signal sub-interface may respectively include two pins, which are respectively used for receiving a positive signal and a negative signal.
Optionally, the first signal interface may further include a temperature signal sub-interface for receiving a temperature signal sent by the motor. Therefore, the motor can be monitored for temperature so as to prevent the motor from overheating and breaking down.
In some possible implementations, the motor controller may replace the role of a vehicle control unit in an existing vehicle. The motor controller may then further comprise a third signal interface, a fourth signal interface and a fifth signal interface. The third signal interface is used for outputting a first control signal, and the first control signal is used for controlling the on or off of the low-voltage main relay; the fourth signal interface is used for outputting a second control signal, and the second control signal is used for controlling the opening or closing of the water pump relay; and the fifth signal interface is used for outputting a third control signal, and the third control signal is used for controlling the opening or closing of the vacuum pump relay.
In the embodiment of the application, the motor controller is also connected with a power battery of the vehicle. In some possible implementations, the motor controller may be connected to the power battery through the first high voltage input interface and the second high voltage input interface. Optionally, the first high voltage input interface may comprise three pins for receiving a three-phase high voltage power. The second high voltage input interface may include two pins for inputting the high voltage of the positive and negative electrodes.
Optionally, the first high-voltage input interface and the second high-voltage input interface may be fixed to the connector housing by 5 8.8-level M6 screws; 5 8.8-level M8 elastic flat pad combined screw fixing terminals. The motor controller box body can also comprise a wiring cover plate. Before the high-voltage signal interface is installed, the wiring cover plate can be opened. After the installation is finished, the wiring cover plate can be fixed through 6 elastic flat gasket combination screws.
In some possible implementations, the motor controller may further include a sixth signal interface for obtaining the vacuum tank signal.
In some possible implementations, the motor controller further includes a seventh signal interface. The seventh signal interface may be used to obtain a braking signal of the vehicle, for example a brake pedal opening signal. Correspondingly, the processor is further configured to generate the motor control signal according to the braking signal. Optionally, the seventh signal interface may include two pins for acquiring a positive braking signal and a negative braking signal, respectively.
In some possible implementations, a box with a mounting hole may also be included. Alternatively, the number of the mounting holes may be 4. The size of the tank may be 244mm 278 mm. The hole pitch of the mounting holes may be 203mm 220 mm. Optionally, the case may further include an upper cover. Optionally, the housing may further comprise two cooling pipe joints for cooling the motor controller. The cooling pipe joint may have a diameter of 20 mm.
In addition, this application embodiment still provides an automobile. The vehicle may include a power battery, a motor controller, and a motor. The motor controller may be the motor controller provided in any embodiment of the present application.
It is well within the skill of those in the art to implement and implement the present invention in connection with circuits, electronic components and control strategies that are not explicitly described or suggested as such.
While the junction box provided by the present invention has been described in detail, those skilled in the art will appreciate that the various modifications, additions, substitutions, and substitutions are possible, without departing from the scope and spirit of the utility model as disclosed in the accompanying claims.
Claims (10)
1. A motor controller is characterized by comprising a first signal interface, a second signal interface and a processor, wherein the motor controller is connected with a motor through the first signal interface;
the first signal interface is used for outputting a motor control signal to the motor;
the second signal interface is used for acquiring a driving intention representation signal;
the processor is used for generating the motor control signal according to the driving intention characterizing signal.
2. The motor controller of claim 1 wherein the driving intent representative signals include an activation signal and an accelerator pedal opening signal, the second signal interface including a first signal sub-interface and a second signal sub-interface;
the first signal sub-interface is used for acquiring a starting signal, and the starting signal is used for starting the processor;
the second signal sub-interface is used for acquiring an opening signal of an accelerator pedal;
and the processor is used for generating the motor control signal according to the opening degree signal of the accelerator pedal.
3. The motor controller of claim 2,
the first signal sub-interface is also used for acquiring a vehicle gear signal;
and the processor is used for generating the motor control signal according to the accelerator pedal opening degree signal and the vehicle gear signal.
4. The motor controller of claim 1, wherein the first signal interface comprises a third signal sub-interface, a fourth signal sub-interface, and a fifth signal sub-interface;
the third signal sub-interface is used for sending a rotary-transformation recovery sine signal to the motor;
the fourth signal sub-interface is used for sending a rotary-transformation recovery sine signal to the motor;
and the fifth signal sub-interface is used for sending a rotary change excitation signal to the motor.
5. The motor controller of claim 1, further comprising a third signal interface, a fourth signal interface, and a fifth signal interface;
the third signal interface is used for outputting a first control signal, and the first control signal is used for controlling the on or off of the low-voltage main relay;
the fourth signal interface is used for outputting a second control signal, and the second control signal is used for controlling the opening or closing of the water pump relay;
and the fifth signal interface is used for outputting a third control signal, and the third control signal is used for controlling the opening or closing of the vacuum pump relay.
6. The motor controller of claim 1, further comprising a first high voltage input interface and a second high voltage input interface;
the first high-voltage input interface is used for inputting three-phase high-voltage electricity;
and the second high-voltage input interface is used for connecting the motor controller to a high-voltage bus.
7. The motor controller of claim 1, further comprising a sixth signal interface;
and the sixth signal interface is used for acquiring a vacuum tank signal.
8. The motor controller of claim 1, further comprising a seventh signal interface;
the seventh signal interface is used for acquiring a brake signal;
the processor is further configured to generate the motor control signal according to the braking signal.
9. The motor controller of claim 1, wherein the motor controller is located inside a cabinet having mounting holes.
10. A vehicle, characterized in that the vehicle comprises a motor controller according to any one of claims 1 to 9 and a motor;
the motor is used for working under the control of the motor controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122308443.5U CN216545752U (en) | 2021-09-23 | 2021-09-23 | Motor controller and car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122308443.5U CN216545752U (en) | 2021-09-23 | 2021-09-23 | Motor controller and car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216545752U true CN216545752U (en) | 2022-05-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122308443.5U Active CN216545752U (en) | 2021-09-23 | 2021-09-23 | Motor controller and car |
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| CN (1) | CN216545752U (en) |
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2021
- 2021-09-23 CN CN202122308443.5U patent/CN216545752U/en active Active
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