CN219304723U - Main controller for electric automobile power motor - Google Patents
Main controller for electric automobile power motor Download PDFInfo
- Publication number
- CN219304723U CN219304723U CN202221647044.XU CN202221647044U CN219304723U CN 219304723 U CN219304723 U CN 219304723U CN 202221647044 U CN202221647044 U CN 202221647044U CN 219304723 U CN219304723 U CN 219304723U
- Authority
- CN
- China
- Prior art keywords
- module
- circuit
- electrically connected
- power
- main controller
- 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.)
- Active
Links
Images
Landscapes
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The utility model discloses a main controller for an electric automobile power motor, which belongs to the technical field of main controllers, adopts an optimal control mode, optimizes circuit design and PCB design, improves anti-interference capability, ensures the accuracy of collected signals and the integrity of output signals, improves electromagnetic compatibility, ensures that the main controller of the electric automobile power motor can work normally under severe working conditions, and selects all electronic components of a hardware circuit to be at an automobile level. The power module selects a power chip with wide power supply range, high stability and high reliability, and a filtering and protecting circuit is arranged on the periphery of the power module to ensure that the power module can operate efficiently and safely. The analog signal acquisition module uses the operational amplifier chip to design a voltage follower circuit, so that signal loss and interference are avoided, high-precision signal acquisition is realized, and the PWM output signal uses the chip to perform level conversion so as to be used for matching with the inverter circuit.
Description
Technical Field
The utility model relates to a main controller, in particular to a main controller for a power motor of an electric automobile, and belongs to the technical field of main controllers.
Background
With the development of social economy and the continuous improvement of the living standard of people, automobiles become an important riding tool in daily life of people. The traditional fuel oil automobile has increasingly attracted attention to the increase of petroleum resource demands and environmental problems brought by the fuel oil automobile, and the electric automobile has the advantages of no exhaust emission, high energy efficiency, low noise, multiple energy recycling and the like in the driving process, the development of the electric automobile can effectively solve the problems of traffic energy consumption and environmental pollution, and with the increasing progress and development of domestic science and technology, government departments strongly implement new energy type automobile supporting policies, the domestic electric automobile industry is rapidly developed, and the control technology of an internal motor of the electric automobile is also gradually mature, so that the important research on the control technology of the power motor of the electric automobile plays a decisive role in the development of the electric automobile.
The special motor for the electric automobile converts electric energy into mechanical energy to drive the whole automobile to run by acquiring energy from a battery, so that the efficiency of the motor under various working conditions is required to be good, the alternating current motor has the advantages of long service life, high energy utilization rate, low maintenance cost and the like, the electric automobile generally adopts the motor of the type as a power source, the alternating current three-phase induction motor cannot directly use direct current, an inverter circuit is required to convert the high-voltage direct current into three-phase alternating current, the inverter circuit is required to normally work and accurately control a main controller of the power motor of the electric automobile, the motor state information is acquired in real time while the power is provided for the automobile, the safe running of the automobile is ensured, the real-time data interaction is carried out between the motor state information of the automobile and the whole automobile controller through CAN communication, and the corresponding work is executed by receiving instructions.
The prior art scheme is that an electric automobile power motor main controller is used for controlling an inverter circuit, high-voltage direct current of a vehicle-mounted battery pack is converted into three-phase alternating current, power is provided for a motor, the motor is driven to work, a control mode widely adopted at present is a vector control mode, vector control is also called Field Oriented Control (FOC), the technology of controlling a three-phase alternating current motor by utilizing a frequency converter is utilized, the output frequency, the output voltage and the angle of the frequency converter are regulated to control the output of the motor, meanwhile, temperature signals, fault signals and high-voltage detection signals of the inverter circuit are collected, the working state and the direct current high-voltage value of the inverter circuit are judged, temperature signals and position signals of the motor are collected in real time, motor control is regulated, meanwhile, a Hall sensor is used for monitoring the current of the high-voltage direct current bus, data interaction is carried out between the motor and the vehicle controller through CAN communication, the command of the vehicle controller is received, actions such as acceleration, deceleration and stopping are completed, and the current state information of the motor is transmitted to the vehicle controller;
disadvantages of the prior art:
the power supply voltage range of the hardware is smaller, the design of the power supply module is poor, and the anti-interference capability is poor;
the acquired signals are easy to be interfered to influence the precision;
the output control signal is easy to generate distortion phenomenon;
the design of the protection circuit is not perfect enough, the tolerance capability to external surge voltage and current is poor, and the normal operation of the internal circuit is easily affected by external impact;
poor electromagnetic compatibility, easy occurrence of abnormal work after external electromagnetic interference, or exceeding of external electromagnetic radiation;
therefore, the main controller for the electric automobile power motor is designed to solve the problems.
Disclosure of Invention
The utility model mainly aims to provide the main controller for the electric automobile power motor, which adopts an optimal control mode, optimizes circuit design and PCB design, improves anti-interference capability, ensures the accuracy of collected signals and the integrity of output signals, improves electromagnetic compatibility, ensures that the main controller for the electric automobile power motor can work normally under severe working conditions, and selects all electronic components of a hardware circuit to be in an automobile level. The power module selects a power chip with wide power supply range, high stability and high reliability, and a filtering and protecting circuit is arranged on the periphery of the power module to ensure that the power module can operate efficiently and safely. The analog signal acquisition module uses the operational amplifier chip to design a voltage follower circuit, so that signal loss and interference are avoided, and high-precision signal acquisition is realized. The PWM output signal uses a chip to perform level conversion so as to be used for matching an inverter circuit, and the output signal is complete and stable through good anti-interference design. The signal interfaces of the hardware circuit are provided with overvoltage and overcurrent protection circuits, and the power supply module is also provided with reverse connection protection, so that the stability and safety of hardware can be greatly improved. The PCB design utilizes the expertise of electronics and a great deal of practical tests to realize good electromagnetic compatibility, and the same functions are possible to be realized by selecting chips or other devices with similar functions to form a module circuit on hardware. The same is true of the core chip. The functions of the hardware of the utility model CAN be realized only by selecting a singlechip chip with an SPI bus controller, a CAN controller, an A/D conversion, a general input/output port, a PWM port, a clock main frequency of more than 100MHz and a memory of more than 500K, and all the functions CAN be realized only by supporting corresponding functions by a hardware platform on software.
The aim of the utility model can be achieved by adopting the following technical scheme:
the main controller for the electric automobile power motor comprises a microprocessor module, a power module, an inverter circuit control module, a CAN communication module, a position signal acquisition module and an analog signal acquisition module;
the power module is electrically connected with the inverter circuit control module, the CAN communication module, the microprocessor module, the analog signal acquisition module and the position signal acquisition module;
the microprocessor module is electrically connected with the inverter circuit control module, the CAN communication module, the power module, the analog signal acquisition module and the position signal acquisition module through signal lines.
Preferably, the microprocessor module includes a processing chip TMS570, where the processing chip TMS570 is electrically connected to the JTAG interface circuit, the clock signal circuit, the watchdog reset circuit, the power supply interface circuit, and the a/D conversion voltage reference circuit.
Preferably, the power module comprises a power chip, the power chip is electrically connected with the power supply filter circuit, the microprocessor module and the wake-up source input circuit, the storage battery is electrically connected with the power supply filter circuit, the power supply filter circuit is electrically connected with the storage battery voltage detection circuit, the storage battery voltage detection circuit is electrically connected with the microprocessor module, and the power chip is electrically connected with the main controller and the inverter circuit.
Preferably, the CAN communication module includes a CAN transceiver 1 and a CAN transceiver 2, the microprocessor module is electrically connected to the CAN transceiver 1 through a CAN1 signal, a CAN signal and a CAN transceiver 1 control signal, and the microprocessor module is electrically connected to the CAN transceiver 2 through a CAN signal and a CAN transceiver 2 control signal.
Preferably, the CAN transceiver 1 and the CAN transceiver 2 are respectively electrically connected to a transceiver peripheral circuit and a CAN physical bus interface circuit.
Preferably, the inverter circuit control module is electrically connected with the microprocessor module through a PWM signal line and a fault signal line, and the inverter circuit control module is electrically connected with an external inverter circuit through the PWM signal line and the fault signal line.
Preferably, the analog signal acquisition module is electrically connected with the temperature of the inverter circuit, the temperature of the motor, the current of the direct-current high-voltage bus and the high voltage of the battery pack.
Preferably, the microprocessor module is electrically connected with the position signal acquisition module through an SPI communication line, and the position signal acquisition module is electrically connected with the external motor through an excitation signal line, an SIN signal line and an COS signal line.
The beneficial technical effects of the utility model are as follows:
according to the main controller for the electric automobile power motor, an optimal control mode is adopted, circuit design and PCB design are optimized, anti-interference capability is improved, accuracy of collected signals and integrity of output signals are guaranteed, electromagnetic compatibility is improved, the main controller for the electric automobile power motor can work normally under severe working conditions, and all electronic components of a hardware circuit are of an automobile grade. The power module selects a power chip with wide power supply range, high stability and high reliability, and a filtering and protecting circuit is arranged on the periphery of the power module to ensure that the power module can operate efficiently and safely. The analog signal acquisition module uses the operational amplifier chip to design a voltage follower circuit, so that signal loss and interference are avoided, and high-precision signal acquisition is realized. The PWM output signal uses a chip to perform level conversion so as to be used for matching an inverter circuit, and the output signal is complete and stable through good anti-interference design. The signal interfaces of the hardware circuit are provided with overvoltage and overcurrent protection circuits, and the power supply module is also provided with reverse connection protection, so that the stability and safety of hardware can be greatly improved. The PCB design utilizes the expertise of electronics and a great deal of practical tests to realize good electromagnetic compatibility, and the same functions are possible to be realized by selecting chips or other devices with similar functions to form a module circuit on hardware. The same is true of the core chip. The functions of the hardware of the utility model CAN be realized only by selecting a singlechip chip with an SPI bus controller, a CAN controller, an A/D conversion, a general input/output port, a PWM port, a clock main frequency of more than 100MHz and a memory of more than 500K, and all the functions CAN be realized only by supporting corresponding functions by a hardware platform on software.
Drawings
FIG. 1 is a block diagram of an electric vehicle power motor control system of a preferred embodiment of a main controller for an electric vehicle power motor in accordance with the present utility model;
FIG. 2 is a block diagram of a microprocessor module of a preferred embodiment of a main controller for an electric vehicle power motor according to the present utility model;
FIG. 3 is a block diagram of a power module of a preferred embodiment of a main controller for an electric vehicle power motor according to the present utility model;
FIG. 4 is a power filter circuit diagram of a preferred embodiment of a main controller for an electric vehicle power motor according to the present utility model;
FIG. 5 is a block diagram of a CAN communication module of a preferred embodiment of a main controller for an electric vehicle power motor in accordance with the utility model;
FIG. 6 is a block diagram of an inverter circuit control module of a preferred embodiment of a main controller for an electric vehicle power motor according to the present utility model;
FIG. 7 is a block diagram of an analog signal acquisition module of a preferred embodiment of a main controller for an electric vehicle power motor according to the present utility model;
fig. 8 is a block diagram of a position signal acquisition module of a preferred embodiment of a main controller for a power motor of an electric vehicle according to the present utility model.
Detailed Description
In order to make the technical solution of the present utility model more clear and obvious to those skilled in the art, the present utility model will be described in further detail with reference to examples and drawings, but the embodiments of the present utility model are not limited thereto.
As shown in fig. 1 to 8, the main controller for the electric automobile power motor provided in this embodiment includes a microprocessor module, a power module, an inverter circuit control module, a CAN communication module, a position signal acquisition module and an analog signal acquisition module;
the power module is electrically connected with the inverter circuit control module, the CAN communication module, the microprocessor module, the analog signal acquisition module and the position signal acquisition module;
the microprocessor module is electrically connected with the inverter circuit control module, the CAN communication module, the power module, the analog signal acquisition module and the position signal acquisition module through signal lines.
In this embodiment, the microprocessor module includes a processing chip TMS570, where the processing chip TMS570 is electrically connected to the JTAG interface circuit, the clock signal circuit, the watchdog reset circuit, the power supply interface circuit, and the a/D conversion voltage reference circuit.
The module is a basic circuit which can enable the main controller of the power motor of the electric automobile to work, is a core module of the main controller of the power motor of the electric automobile, is a carrier for running an algorithm and a control strategy, and is directly related to the real-time performance of the whole control strategy. Whether it works normally or not will directly affect the implementation of the system functions. The module takes TMS570 series of TI company as a core chip, wherein the chip has main frequency 160MHz,1MB Flash,128KB RAM,3 paths of CAN controllers, 1 path of SPI buses, 24 paths of 12-Bit AD converters, 1 path of I2C buses, 1 path of LIN buses and 64 paths of GPIO ports. The microprocessor module mainly comprises a core chip TMS570, a clock signal source, a watchdog reset circuit, a JTAG interface circuit, an A/D conversion reference voltage circuit and the like.
The clock signal source uses 16M passive crystal oscillator, and is matched with 2 matched capacitors, and two paths of output signals are directly connected to the clock pin of the microprocessor. The A/D conversion reference voltage circuit directly selects DC12V/DC3.3V chip, and the output end is matched with a filter capacitor and then directly connected to the reference voltage and the reference ground pin of the microprocessor. The watchdog reset circuit selects a special watchdog chip, and the peripheral circuit device of the chip selects a GPIO pin from the microprocessor to be connected to a signal input pin of the watchdog chip as a watchdog feeding signal by using recommended application of a chip data manual. The JTAG interface circuit is directly led out to a 10-Pin JTAG interface from the relevant Pin of the microprocessor chip, and the corresponding Pin is connected with a 4K7 resistor in series to be pulled up to 3.3V or pulled down to the ground. The module can realize the downloading and debugging functions of the program. The power supply interface circuit of the microprocessor is mainly connected with decoupling capacitors on corresponding power supply pins, noise interference on the power supply lines is filtered, and the microprocessor can work stably. The supply voltage comes from 1.2V and 3.3V supply of the power supply module. Each power supply circuit of the chip is externally connected with a decoupling capacitor, and a large capacitor is additionally arranged at the source of 1.2V and 3.3V to ensure voltage stability and filter low-frequency interference. The microprocessor module structure is shown in fig. 2.
The power supply module supplies power for the main controller of the power motor of the electric automobile and supplies power for the inverter circuit, and whether the main controller of the power motor of the electric automobile is stable or not is directly related to whether the main controller of the power motor of the whole electric automobile can work normally or not. Two power supply chips are adopted to supply power for the main controller and the inverter circuit respectively so as to prevent mutual interference signals.
The power chip for supplying power to the main controller adopts a power chip special for an automobile, the power supply range is 5.75-40V, and 3 voltage rails can be provided: 1.2V,3.3V and 5V outputs. Besides the recommended circuit of the data manual, the power supply input end is also added with a power supply filter circuit, so that on one hand, the interference signals on the power supply lines and the influence of surge voltage and current on the stability of the power supply chip are filtered, and on the other hand, the external electromagnetic interference signals generated by the power supply chip are filtered. The power input terminal is also provided with a special circuit for monitoring the voltage of the storage battery. And a filter circuit is added to the wake-up source input pin of the chip to filter false wake-up caused by interference signals. The power chip supports SPI communication function, can carry out data interaction with microprocessor, transmits the real-time state information of power chip to microprocessor, and receives microprocessor related instruction execution action.
The power supply chip for supplying power to the inverter circuit also adopts a special power supply chip for an automobile, the power supply range is 3V-75V, the output voltage is +15V, and the design of the peripheral basic circuit is recommended by reference. The device selection is performed again to achieve optimization, and a filter circuit and a protection circuit are added at the input end and the output end, so that safe and stable operation is ensured. The power module structure is shown in FIG. 3
In this embodiment, the power module includes a power chip, the power chip is electrically connected to the power supply filter circuit, the microprocessor module and the wake-up source input circuit, the battery is electrically connected to the power supply filter circuit, the power supply filter circuit is electrically connected to the battery voltage detection circuit, the battery voltage detection circuit is electrically connected to the microprocessor module, and the power chip is electrically connected to the main controller and the inverter circuit.
In this embodiment, the CAN communication module includes a CAN transceiver 1 and a CAN transceiver 2, the microprocessor module is electrically connected to the CAN transceiver 1 through a CAN1 signal, a CAN signal, and a CAN transceiver 1 control signal, and the microprocessor module is electrically connected to the CAN transceiver 1 through a CAN signal and a CAN transceiver 2 control signal.
The CAN communication module is a hardware foundation for communication between the electric automobile power motor main controller and the whole vehicle controller, and only if the CAN module works normally, the electric automobile power motor main controller CAN perform real-time data interaction with the whole vehicle controller, CAN transmit current motor state information to the whole vehicle controller and receive instructions of the whole vehicle controller to perform corresponding actions. The CAN communication module consists of two parts, wherein the first part uses a chip with a single-path enabling/disabling control for two-path CAN communication; the second part selects a chip with one-way CAN communication with one-way enabling/disabling. The two parts are the same in that the signal input pins are directly led out from the pins of the CAN controller carried by the microprocessor. The signal output end is the same as the interface circuit of the CAN physical bus. The common mode choke coil, the bypass capacitor and the balance resistor are connected in series on two paths of differential signals at the output end. The CAN communication module structure is as shown in figure 5.
In this embodiment, the CAN transceiver 1 and the CAN transceiver 2 are electrically connected to a transceiver peripheral circuit and a CAN physical bus interface circuit, respectively.
The inverter circuit control module is a core module for controlling an external inverter circuit by a main controller of the power motor of the electric automobile, and the external inverter circuit is controlled by the inverter circuit control module to convert high-voltage direct current of the battery pack into three-phase alternating current so as to supply power to the power motor of the electric automobile, drive the motor to operate and further drive the vehicle to run. The microprocessor software algorithm adopts a vector control mode, outputs 6 paths of PWM signals through a hardware pin of the microprocessor, and then inputs the signals to the module. The module processes the 6 paths of PWM signals, increases corresponding capacitance, ensures the signal integrity, does not distort, and finally outputs the 6 paths of PWM signals to the external inverter circuit, and meanwhile, fault signals of the external inverter circuit are input to the microprocessor after being processed by the inverter circuit control module for the microprocessor to judge and process. The structure of the inverter circuit control module is shown in fig. 6.
In this embodiment, the inverter circuit control module is electrically connected to the microprocessor module through the PWM signal line and the fault signal line, and the inverter circuit control module is electrically connected to the external inverter circuit through the PWM signal line and the fault signal line.
The analog signal acquisition module is used for acquiring an external inverter circuit temperature signal, a motor temperature signal, a direct-current high-voltage bus current signal and a battery pack high-voltage detection signal. The signal input is to electric automobile power motor main control unit in, uses the fortune to put the chip and carries out the voltage and follow, and the voltage follows has the characteristics that input impedance is high, and output impedance is low for it presents the high resistance state to last level circuit, and presents the low resistance state to next level circuit, with the isolation front and back level circuit, eliminates the mutual influence between them, also can play the cushioning effect, avoids producing signal loss. And the filter capacitor is matched, so that an externally input analog signal can be completely transmitted to the microprocessor module, and the accuracy of signal acquisition is ensured. Through the real-time collection of these signals, can real-time supervision outside inverter circuit temperature, motor temperature in order to prevent overheated and produce the trouble to can monitor high-voltage busbar current and battery package high voltage value, so as to master battery package state and power output condition. The analog signal acquisition module structure is shown in fig. 7.
In this embodiment, the analog signal acquisition module is electrically connected to the inverter circuit temperature, the motor temperature, the dc high-voltage bus current, and the battery pack high voltage.
The position acquisition module is used for acquiring the position of a motor rotor, the module uses a special motor rotor position signal acquisition chip, the chip is a complete 12-bit tracking rotary encoder and comprises a vehicle-mounted programmable sine oscillator, sine excitation can be provided for the rotary encoder, sin and Cos signals transmitted by an external motor can be converted into digital signals representing angles, data are transmitted to a microprocessor through SPI communication, and the microprocessor can obtain current position information and current rotating speed information of the motor rotor through calculation. And regulating and controlling the motor through the collected position information and the output excitation signal. The position signal acquisition module structure is shown in fig. 8.
In this embodiment, the microprocessor module is electrically connected to the position signal acquisition module through an SPI communication line, and the position signal acquisition module is electrically connected to the external motor through an excitation signal line, an SIN signal line, and a COS signal line.
The above is merely a further embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto, and any person skilled in the art will be able to apply equivalents and modifications according to the technical solution and the concept of the present utility model within the scope of the present utility model disclosed in the present utility model.
Claims (8)
1. The utility model provides a main control unit for electric automobile power motor which characterized in that: the system comprises a microprocessor module, a power module, an inverter circuit control module, a CAN communication module, a position signal acquisition module and an analog signal acquisition module;
the power module is electrically connected with the inverter circuit control module, the CAN communication module, the microprocessor module, the analog signal acquisition module and the position signal acquisition module;
the microprocessor module is electrically connected with the inverter circuit control module, the CAN communication module, the power module, the analog signal acquisition module and the position signal acquisition module through signal lines.
2. The main controller for an electric automobile power motor according to claim 1, wherein: the microprocessor module comprises a processing chip TMS570, wherein the processing chip TMS570 is electrically connected with a JTAG interface circuit, a clock signal circuit, a watchdog reset circuit, a power supply interface circuit and an A/D conversion voltage reference circuit.
3. The main controller for an electric automobile power motor according to claim 2, wherein: the power module comprises a power chip, the power chip is electrically connected with a power supply filter circuit, a microprocessor module and a wake-up source input circuit, the storage battery is electrically connected with the power supply filter circuit, the power supply filter circuit is electrically connected with a storage battery voltage detection circuit, the storage battery voltage detection circuit is electrically connected with the microprocessor module, and the power chip is electrically connected with a main controller and an inverter circuit.
4. A main controller for an electric car power motor according to claim 3, characterized in that: the CAN communication module comprises a CAN transceiver 1 and a CAN transceiver 2, the microprocessor module is electrically connected with the CAN transceiver 1 through CAN1 signals, CAN signals and CAN transceiver 1 control signals, and the microprocessor module is electrically connected with the CAN transceiver 2 through CAN signals.
5. The main controller for an electric automobile power motor according to claim 4, wherein: the CAN transceiver 1 and the CAN transceiver 2 are respectively and electrically connected with a transceiver peripheral circuit and a CAN physical bus interface circuit.
6. The main controller for an electric automobile power motor according to claim 5, wherein: the inverter circuit control module is electrically connected with the microprocessor module through the PWM signal line and the fault signal line, and is electrically connected with an external inverter circuit through the PWM signal line and the fault signal line.
7. The main controller for an electric automobile power motor according to claim 6, wherein: the analog signal acquisition module is electrically connected with the temperature of the inverter circuit, the temperature of the motor, the current of the direct-current high-voltage bus and the high voltage of the battery pack.
8. The main controller for an electric automobile power motor according to claim 7, wherein: the microprocessor module is electrically connected with the position signal acquisition module through an SPI communication line, and the position signal acquisition module is electrically connected with the external motor through an excitation signal line, an SIN signal line and a COS signal line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221647044.XU CN219304723U (en) | 2022-06-28 | 2022-06-28 | Main controller for electric automobile power motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221647044.XU CN219304723U (en) | 2022-06-28 | 2022-06-28 | Main controller for electric automobile power motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219304723U true CN219304723U (en) | 2023-07-04 |
Family
ID=86987503
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221647044.XU Active CN219304723U (en) | 2022-06-28 | 2022-06-28 | Main controller for electric automobile power motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219304723U (en) |
-
2022
- 2022-06-28 CN CN202221647044.XU patent/CN219304723U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206528429U (en) | CAN Bus in Electric entire car controller | |
| CN105216649A (en) | A kind of novel entire car controller being applicable to pure electric automobile | |
| JP2014516507A (en) | Electric vehicle PWM rectifier and inverter transformer pulse charging system | |
| CN104354654A (en) | Integrated control device based on pure electric vehicle | |
| CN106740585A (en) | CAN Bus in Electric entire car controller | |
| CN104074639B (en) | A kind of direct current generator EGR valve controller | |
| CN203445821U (en) | Dual motor controller | |
| CN106627167B (en) | Power drive system for off highway vehicle | |
| CN203643815U (en) | Vehicle controller based on safety function | |
| CN205553953U (en) | Composite power source pure electric vehicles's vehicle control unit | |
| CN107379969A (en) | The high-power 48V of hybrid vehicle is to 12V DC power supply changeover device | |
| CN104638739B (en) | Direct-current charger control system based on FPGA (Field Programmable Gate Array) and Profibus (Process field bus) | |
| CN219304723U (en) | Main controller for electric automobile power motor | |
| CN203381621U (en) | Intelligent vehicle speed control system | |
| CN203299625U (en) | Locomotive control system based on WinPac controller | |
| CN210983053U (en) | Vehicle control unit integrated with remote monitoring system | |
| CN108539835B (en) | AC-DC battery charging device | |
| CN209118093U (en) | A kind of vehicle control unit of electric vehicle hardware control circuit | |
| CN102651625A (en) | Motor control system for hybrid electric vehicle | |
| CN206442392U (en) | A kind of intrinsic safety type RS485 communications and supplying power for outside data collecting plate card | |
| CN103378773A (en) | Direct current permanent magnet brushless motor controller | |
| CN206757340U (en) | A kind of Modular electrical motor-car direct-current charging post control panel | |
| CN101826813A (en) | Intelligent DC/AC inverter | |
| CN206264816U (en) | A kind of electric vehicle motor controller | |
| CN212229453U (en) | Configurable intelligent remote measurement and control system of hydraulic power plant |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |