CN106227135A - New energy vehicle motor control device and method with remote data monitoring function - Google Patents

Abstract

The invention relates to a new energy automobile motor control device with a remote data monitoring function and a method, wherein the control device comprises: the system comprises a power supply module, a main control circuit, a driving circuit, a power module, a current and voltage acquisition module, a speed acquisition module, a temperature acquisition module, a remote data transmission terminal module, a wireless communication server and a monitoring client. Through setting up remote data transmission terminal module, wireless communication server, control client, realized remote data monitoring motor, enriched motor control device's function.

Description

New energy vehicle motor control device and method with remote data monitoring function

technical field

The invention relates to the technical field of motor control devices for new energy vehicles, in particular to a motor control device and method for new energy vehicles with a remote data monitoring function.

Background technique

At present, the motor control device used for new energy vehicles generally consists of a power supply module, a main control circuit, a drive circuit, a power module, a current and voltage acquisition module, a speed acquisition module, and a temperature acquisition module. The main control circuit collects the speed of the motor , current information, control the rotation of the motor, so as to realize the driving of the car. The function of this device is relatively simple, and it can only complete the basic vehicle driving functions, and display a small amount of information such as motor speed and temperature on the vehicle dashboard.

Since new energy vehicles use motors to replace the engines of traditional fuel vehicles, it is very important to monitor the motor control device and related data of the motor, but the existing motor control device cannot realize remote monitoring of itself and motor-related data.

Therefore, there is a need to provide a new energy vehicle motor control device and method with a remote data monitoring function.

Contents of the invention

In view of the above analysis, the present invention aims to provide a new energy vehicle motor control device and method with remote data monitoring function to solve the problem of single function of the existing motor control device.

The purpose of the present invention is mainly achieved through the following technical solutions:

A new energy vehicle motor control device with remote data monitoring function, characterized in that the control device includes: a power supply module, a main control circuit, a drive circuit, a power module, a current and voltage acquisition module, a speed acquisition module, and a temperature acquisition module , remote data transmission terminal module, wireless communication server, monitoring client; where,

The power supply module, the main control circuit, the drive circuit, the power module, the current and voltage acquisition module, the speed acquisition module, the temperature acquisition module, the remote data transmission terminal module, the wireless communication server, are set in the new energy vehicle, and the monitoring client is set in the remote end .

The monitoring client further includes: a fault diagnosis module and a vehicle data analysis module.

The power supply module is respectively connected with the main control circuit, current and voltage acquisition module, speed acquisition module, power module and remote data transmission terminal module through wires and provides working voltage;

The AD port of the main control circuit is connected with the output port of the current and voltage acquisition module and the output port of the temperature acquisition module through wires, the input port of the main control circuit is connected with the output port of the speed acquisition module through wires, and the switching interface of the main control circuit is connected with the drive circuit control The ports are connected by cables; the main control circuit and the remote data transmission terminal module are connected by CAN bus;

The drive port of the drive circuit is connected to the control port of the power module;

The remote data transmission terminal module is connected with the wireless communication server through the mobile communication network;

The wireless communication server and the monitoring client are connected through Ethernet communication.

The fault diagnosis module is used to determine the fault state of the new energy vehicle power system according to parameters such as voltage, current, speed, and temperature.

The vehicle data analysis module is used to monitor the working status of the motor, conduct energy consumption analysis, and provide customers with the optimal driving strategy.

A new energy vehicle motor control method with remote data monitoring function, characterized in that it comprises the following steps:

Step S1, the motor control device is powered on, the power supply module starts to work, and provides the required working voltage for the main control circuit, current and voltage acquisition module, speed acquisition module, power module and remote data transmission terminal module;

Step S2, the main control circuit collects the signals of the current and voltage acquisition module, the speed acquisition module, and the temperature acquisition module according to the instructions of the whole vehicle, and sends them to the monitoring client through the remote data transmission terminal module and the wireless communication server;

Step S3, monitoring the fault diagnosis module of the client terminal to monitor the voltage, current, rotational speed and temperature;

Step S4, the vehicle data analysis module of the monitoring client monitors the working state of the motor, conducts energy consumption analysis, provides the customer with an optimal driving strategy and conducts energy consumption analysis, and provides the customer with an optimal driving strategy.

The step S3 further includes:

In the fault diagnosis module, according to the preset operating range of voltage, current, speed, and temperature parameters, it is determined whether the power system of the new energy vehicle is faulty, an alarm is issued in the monitoring client, and the alarm information is sent to the main control circuit Displayed on the car dashboard and give voice alarm.

The step S4 further includes:

The vehicle data analysis module conducts big data analysis on the historical data uploaded by new energy vehicles, obtains the correlation relationship among the power consumption, rotation speed, and speed parameters, analyzes the real-time parameters, and finds potential failure factors in the parameters; and The customer's driving behavior is analyzed, and the optimal driving strategy suggestion is obtained, which is sent to the main control circuit and displayed on the vehicle dashboard.

The beneficial effects of the present invention are as follows:

The invention provides a motor control device for new energy vehicles. By setting a remote data transmission terminal module, a wireless communication server, and a monitoring client, the remote data monitoring of the motor is realized, and the functions of the motor control device are enriched.

Additional features and advantages of the invention will be set forth in the description which follows, and in part will be apparent from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention may be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.

Description of drawings

The drawings are for the purpose of illustrating specific embodiments only and are not to be considered as limitations of the invention, and like reference numerals refer to like parts throughout the drawings.

Figure 1 is a schematic structural diagram of a new energy vehicle motor control device with remote data monitoring function;

Fig. 2 is a flowchart of a motor control method for a new energy vehicle with a remote data monitoring function.

detailed description

Preferred embodiments of the present invention will be specifically described below in conjunction with the accompanying drawings, wherein the accompanying drawings constitute a part of the application and are used together with the embodiments of the present invention to explain the principles of the present invention.

According to a specific embodiment of the present invention, a new energy vehicle motor control device with remote data monitoring function is disclosed, including: power supply module 1, main control circuit 2, drive circuit 3, power module 4, current and voltage acquisition module 5 , a speed acquisition module 6, a temperature acquisition module 7, a remote data transmission terminal module 8, a wireless communication server 9, and a monitoring client 10. Among them, the power supply module 1, the main control circuit 2, the drive circuit 3, the power module 4, the current and voltage acquisition module 5, the speed acquisition module 6, the temperature acquisition module 7, the remote data transmission terminal module 8, the wireless communication server 9, are set in the new In energy vehicles, the monitoring client 10 is set at the remote end.

The power supply module 1 converts the voltage of the on-board battery into a 12V working voltage, and its output terminals are respectively connected to the power supply input terminals of the main control circuit 2, current and voltage acquisition module 5, speed acquisition module 6, power module 4, and remote data transmission terminal module 8. Wire connection and provide 12V working voltage;

The AD port of the main control circuit 2 is respectively connected with the output port of the current and voltage acquisition module 5 and the output port of the temperature acquisition module 7 by wires, the input port of the main control circuit 2 is connected with the output port of the speed acquisition module 6 by wires, and the main control circuit 2 switch The quantity interface is connected to the control port of the drive circuit 3 through a cable; the main control circuit 2 is connected to the remote data transmission terminal module 8 through a CAN bus;

The drive port of the drive circuit 3 is connected to the control port of the power module 4;

The remote data transmission terminal module 8 is connected with the wireless communication server 9 through a mobile communication network, such as GPRS;

The wireless communication server 9 is connected with the monitoring client 10 through Ethernet communication.

Wherein, the monitoring client 10 further includes: a fault diagnosis module 11 and a vehicle data analysis module 12 .

The fault diagnosis module 11 is used to determine the fault state of the power system of the new energy vehicle according to parameters such as voltage, current, rotational speed, and temperature. Specifically, the fault diagnosis module 11 presets working ranges of voltage, current, rotational speed, and temperature parameters, and when one or more parameters exceed the working range, it is determined that the power system of the new energy vehicle is faulty. The fault diagnosis module gives an alarm in the monitoring client, and sends the alarm information to the remote data transmission terminal module 8 through the mobile communication network through the wireless communication server, and further sends it to the main control circuit 2, and the main control circuit 2 sends the alarm information to the remote data transmission terminal module 8 through the mobile communication network. The information is displayed on the vehicle dashboard and a voice alarm is given.

The vehicle data analysis module 12 is used to monitor the working state of the motor, perform energy consumption analysis, and provide customers with optimal driving strategies. Similarly, the vehicle data analysis module 12 analyzes the historical data uploaded by new energy vehicles to obtain the correlation relationship of each combination of power consumption, rotational speed, and speed parameters, analyzes the real-time parameters, and finds potential faults in the parameters. factor; and analyze the driving behavior of the customer to obtain the optimal driving strategy suggestion, and send the driving strategy to the remote data transmission terminal module 8 through the mobile communication network through the wireless communication server, and further send it to the main control circuit 2, The main control circuit 2 displays the driving strategy suggestion on the vehicle dashboard. Among them, the power consumption of the car is obtained through voltage and current. Specifically, the driving strategy suggestion includes prompting the customer to keep driving at a constant speed at an optimal motor speed, and to avoid rapid acceleration and deceleration.

Another embodiment of the present invention discloses a motor control method for new energy vehicles with a remote data monitoring function, as shown in Figure 2, comprising the following steps:

When the motor control device is powered on, the power supply module 1 starts to work, and provides the required working voltage for the main control circuit 2, the current and voltage acquisition module 5, the speed acquisition module 6, the power module 4 and the remote data transmission terminal module 8.

The main control circuit 2 collects the signals of the current and voltage acquisition module 5, the speed acquisition module 6, and the temperature acquisition module 7 according to the instructions of the whole vehicle, calculates and converts them into control signals, and then sends them to the drive circuit 3, and the drive circuit 3 controls after receiving the control signals. The power module 4 is used to generate the current required by the motor movement, so as to realize the operation of the vehicle. In this embodiment, the above calculation and conversion of the collected signal into a control signal adopts a vector control algorithm.

The main control circuit 2 sends the collected voltage, current, speed, temperature and other information to the remote data transmission terminal module 8, and the remote data transmission terminal module 8 sends the information of the power system of the new energy vehicle to the monitoring client through the wireless communication server 9 10.

The fault diagnosis module 11 of the monitoring client determines the fault state of the new energy vehicle power system, specifically according to; the vehicle data analysis module 12 is used to monitor the working state of the motor, including the monitoring of voltage, current, speed, and temperature, and perform energy consumption analysis. Provide customers with the optimal driving strategy.

specifically,

11 in the fault diagnosis module presets the working range of voltage, current, rotating speed and temperature parameters. When one or more parameters exceed the working range, it is determined that the power system of the new energy vehicle is faulty. The fault diagnosis module gives an alarm in the monitoring client, and sends the alarm information to the remote data transmission terminal module 8 through the mobile communication network through the wireless communication server, and further sends it to the main control circuit 2, and the main control circuit 2 sends the alarm information to the remote data transmission terminal module 8 through the mobile communication network. The information is displayed on the vehicle dashboard and a voice alarm is given.

The vehicle data analysis module 12 performs big data analysis on the historical data uploaded by the new energy vehicle, obtains the correlation relationship between each combination of power consumption, rotational speed, and speed parameters, analyzes the real-time parameters, and finds potential failure factors in the parameters; and Analyze the driving behavior of the customer to obtain the optimal driving strategy suggestion, and send the driving strategy to the remote data transmission terminal module 8 through the mobile communication network through the wireless communication server, and further send it to the main control circuit 2, the main control circuit 2. Displaying the driving strategy suggestion on the vehicle dashboard. Among them, the power consumption of the car is obtained through voltage and current. Specifically, the driving strategy suggestion includes prompting the customer to keep driving at a constant speed at an optimal motor speed, and to avoid rapid acceleration and deceleration.

In a preferred embodiment, the long-term operation data of nearly a thousand vehicles is required for big data analysis; the energy conversion efficiency is the highest when the motor keeps rotating at 2000 rpm.

In summary, the embodiment of the present invention provides a motor control device and method for new energy vehicles. By setting a GPRS remote data transmission terminal module, a wireless communication server, and a monitoring client, remote data monitoring of the motor is realized, enriching function of the motor control unit.

The above is only a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed in the present invention can easily think of changes or Replacement should be covered within the protection scope of the present invention.

Claims (8)

1. A new energy automobile motor control device with a remote data monitoring function is characterized by comprising: the system comprises a power supply module, a main control circuit, a driving circuit, a power module, a current and voltage acquisition module, a speed acquisition module, a temperature acquisition module, a remote data transmission terminal module, a wireless communication server and a monitoring client; wherein,

the system comprises a power supply module, a main control circuit, a driving circuit, a power module, a current and voltage acquisition module, a speed acquisition module and a temperature acquisition module, wherein a remote data transmission terminal module, a wireless communication server and a monitoring client are arranged in the new energy automobile, and the monitoring client is arranged at a far end.

2. The new energy vehicle motor control device with the remote data monitoring function according to claim 1, wherein the monitoring client further comprises: the system comprises a fault diagnosis module and a vehicle data analysis module.

3. The new energy vehicle motor control device with remote data monitoring function according to claim 2,

the power supply module is respectively connected with the main control circuit, the current and voltage acquisition module, the speed acquisition module, the power module and the remote data transmission terminal module through leads and provides working voltage;

an AD port of the main control circuit is respectively connected with an output port of the current and voltage acquisition module and an output port of the temperature acquisition module through wires, an input port of the main control circuit is connected with an output port of the speed acquisition module through a wire, and a switching value interface of the main control circuit is connected with a control port of the drive circuit through a flat cable; the main control circuit is connected with the remote data transmission terminal module through a CAN bus;

the driving port of the driving circuit is connected with the control port of the power module;

the remote data transmission terminal module is connected with the wireless communication server through a mobile communication network;

the wireless communication server is connected with the monitoring client in an Ethernet communication mode.

4. The new energy vehicle motor control device with remote data monitoring function according to claim 2,

and the fault diagnosis module is used for determining the fault state of the new energy automobile power system according to the parameters such as voltage, current, rotating speed and temperature.

5. The new energy vehicle motor control device with remote data monitoring function according to claim 2,

the vehicle data analysis module is used for monitoring the working state of the motor, performing energy consumption analysis and providing an optimal driving strategy for a client.

6. A new energy automobile motor control method with a remote data monitoring function is characterized by comprising the following steps:

step S1, the motor control device is powered on, the power supply module starts to work and provides the required working voltage for the main control circuit, the current and voltage acquisition module, the speed acquisition module, the power module and the remote data transmission terminal module;

s2, the main control circuit collects signals of the current and voltage collection module, the speed collection module and the temperature collection module according to the whole vehicle instruction and sends the signals to the monitoring client through the remote data transmission terminal module and the wireless communication server;

step S3, monitoring voltage, current, rotating speed and temperature by a fault diagnosis module of the monitoring client;

and step S4, monitoring the working state of the motor by a vehicle data analysis module of the monitoring client, carrying out energy consumption analysis, providing an optimal driving strategy for the client, carrying out energy consumption analysis, and providing the optimal driving strategy for the client.

7. The new energy vehicle motor control method with the remote data monitoring function according to claim 6, wherein the step S3 further includes:

and the fault diagnosis module judges whether the new energy automobile power system has a fault according to the preset working ranges of voltage, current, rotating speed and temperature parameters, alarms in the monitoring client, sends the alarm information to the main control circuit, displays the alarm information on the vehicle-mounted instrument panel and gives out voice alarm.

8. The new energy vehicle motor control method with the remote data monitoring function according to claim 6, wherein the step S4 further includes:

the vehicle data analysis module is used for carrying out big data analysis on historical data uploaded by the new energy vehicle to obtain the association relation among various combinations of power consumption, rotating speed and speed parameters, analyzing the real-time parameters and finding potential fault factors in the parameters; and the driving behavior of the client is analyzed to obtain the optimal driving strategy suggestion, and the optimal driving strategy suggestion is sent to the main control circuit to be displayed on the vehicle-mounted instrument panel.