阅读说明：本技术 一种增程式新能源协调控制器控制系统 (Extended-range type new energy coordination controller control system ) 是由 李大明 原利超 储旭 于 2020-06-15 设计创作，主要内容包括：本发明公开了一种增程式新能源协调控制器控制系统,包括传感器信号采集单元、控制单元、执行器,传感器信号采集单元采集采集机油压力信号、电压采集信号、PT100温度采样信号,油箱油量信号,安全气囊信号,传感器信号采集单元数据传输给控制单元,所述控制单元I/O端接传感器信号采集单元,接收传感器信号,输出给执行器电控制指令,所述执行器包括风扇继电器、泵、点火线圈；所述控制单元包括MCU、4路模拟输入、4路数字输入、2路PWM信号输入、7路低边驱动、3路CAN通讯,所述7路低边驱动包括2路PWM驱动,基于PowerPC架构MCU,采用车规级器件,解决现有控制器可靠性不高的问题,控制器选用高集成度芯片,解决了控制器体积冗余的问题,削减了控制器成本。(The invention discloses a control system of a range-extended new energy coordination controller, which comprises a sensor signal acquisition unit, a control unit and an actuator, wherein the sensor signal acquisition unit acquires and acquires an engine oil pressure signal, a voltage acquisition signal, a PT100 temperature sampling signal, an oil tank oil mass signal and an air bag safety signal, the data of the sensor signal acquisition unit is transmitted to the control unit, the I/O end of the control unit is connected with the sensor signal acquisition unit, receives the sensor signal and outputs an electric control instruction to the actuator, and the actuator comprises a fan relay, a pump and an ignition coil; the control unit includes MCU, 4 way analog input, 4 way digital input, 2 way PWM signal input, 7 way low limit drives, 3 way CAN communication, 7 way low limit drives include 2 way PWM drives, based on PowerPC framework MCU, adopts car rule level device, solves the not high problem of current controller reliability, and the controller chooses the high integration level chip for use, has solved the redundant problem of controller volume, has cut down the controller cost.)

1. A control system of an extended-range new energy coordination controller is characterized in that: the system comprises a sensor signal acquisition unit, a control unit and an actuator, wherein the sensor signal acquisition unit acquires and acquires an engine oil pressure signal, a voltage acquisition signal, a PT100 temperature sampling signal, an oil tank oil mass signal and an air bag signal, the data of the sensor signal acquisition unit is transmitted to the control unit, an I/O end of the control unit is connected with the sensor signal acquisition unit, receives the sensor signal and outputs an electric control instruction to the actuator, and the actuator comprises a fan relay, a pump and an ignition coil;

the control unit comprises an MCU, 4 paths of analog input, 4 paths of digital input, 2 paths of PWM signal input, 7 paths of low-side drive and 3 paths of CAN communication, wherein the 7 paths of low-side drive comprise 2 paths of PWM drive.

2. The extended-range new energy coordinated controller control system of claim 1, wherein: the controller is provided with an aluminum alloy shell.

Technical Field

The invention belongs to the field of vehicle control, and particularly relates to a control system of an extended-range new energy coordination controller.

Background

The range extender is an additional energy storage component additionally arranged on the pure electric vehicle for increasing the running distance of the pure electric vehicle. The range-extended electric vehicle is an electric vehicle which uses other energy sources (such as gasoline) to supply electric energy under the condition that the electric quantity of a battery is exhausted. The main working characteristics are that the electric vehicle works in a pure electric mode under most conditions, and works in a range extending mode under few conditions, namely, the range extender generates electric energy to provide driving of the electric vehicle or charge a battery.

It is generally accepted in China that extended range electric vehicles belong to the field of pure electric vehicles, but not to hybrid electric vehicles. Compared with other hybrid electric vehicles, the extended range electric vehicle has a simple configuration system, and more importantly, more reliable performance and less cost; compared with a pure electric vehicle, the extended-range electric vehicle has the advantages of careless driving range and lower cost.

At present, the domestic extended range type new energy coordination controller is high in cost, low in protection level, low in integration level of components inside the controller and low in reliability.

Disclosure of Invention

The present invention provides a control system of an extended-range new energy coordinated controller to overcome the above-mentioned drawbacks of the prior art. The invention is mainly based on a PowerPC framework MCU, adopts a vehicle-scale device, solves the problem of low reliability of the existing controller, adopts a high-integration chip for the controller, solves the problem of volume redundancy of the controller, and reduces the cost of the controller.

The purpose of the invention can be realized by the following technical scheme:

a control system of an extended range type new energy coordination controller comprises a sensor signal acquisition unit, a control unit and an actuator, wherein the sensor signal acquisition unit acquires and acquires an engine oil pressure signal, a voltage acquisition signal, a PT100 temperature sampling signal, an oil tank oil mass signal and an air bag safety signal, data of the sensor signal acquisition unit is transmitted to the control unit, an I/O end of the control unit is connected with the sensor signal acquisition unit, receives the sensor signal and outputs an electric control instruction to the actuator, and the actuator comprises a fan relay, a pump and an ignition coil;

the control unit comprises an MCU, 4 paths of analog input, 4 paths of digital input, 2 paths of PWM signal input, 7 paths of low-side drive and 3 paths of CAN communication, wherein the 7 paths of low-side drive comprise 2 paths of PWM drive.

The invention has the beneficial effects that:

based on PowerPC framework MCU, adopt car rule level device, solve the not high problem of current controller reliability, the controller chooses for use high integration level chip, has solved the redundant problem of controller volume, has cut down the controller cost, and the controller adopts aluminum alloy shell, possesses IP6K7K level protective capability, and sealed protective capability is high, and the controller reliability is high.

Drawings

Fig. 1 is a schematic structural diagram of a control system of an extended-range new energy coordinated controller.

Fig. 2 is a block diagram of a control system of the extended-range new energy coordinated controller.

Detailed Description

The technical scheme of the invention is further described by combining the attached drawings:

a control system of an extended range type new energy coordination controller comprises a sensor signal acquisition unit, a control unit and an actuator, wherein the sensor signal acquisition unit acquires and acquires an engine oil pressure signal, a voltage acquisition signal, a PT100 temperature sampling signal, an oil tank oil mass signal and an air bag safety signal, data of the sensor signal acquisition unit is transmitted to the control unit, an I/O end of the control unit is connected with the sensor signal acquisition unit, receives the sensor signal and outputs an electric control instruction to the actuator, and the actuator comprises a fan relay, a pump and an ignition coil;

the control unit comprises an MCU, 4 paths of analog input, 4 paths of digital input, 2 paths of PWM signal input, 7 paths of low-side drive and 3 paths of CAN communication, wherein the 7 paths of low-side drive comprise 2 paths of PWM drive.

In this embodiment, preferably, the controller is provided with an aluminum alloy housing.

Fig. 1 is a block diagram of a control system of an extended-range new energy coordination controller: the sensor signal acquisition unit is used for acquiring an engine oil pressure signal, a controller power supply voltage signal, a PT100 temperature sampling signal, an oil tank oil quantity signal and an air bag safety signal; the I/O end of the control unit is connected with the sensor signal acquisition unit, receives the sensor signal and outputs a power-on control instruction of the fan, the pump and the external controller; and the actuator is connected with the I/O port of the control unit and receives a fan driving signal, a pump driving signal and an electrifying signal of the external controller of the control unit.

Fig. 2 is a block diagram of a control system of the extended-range new energy coordination controller, which includes 4 analog inputs, 4 digital inputs, 2 PWM signal inputs, 7 low-side drivers (including 2 PWM drivers), and 3 CAN communications. Based on the PowerPC framework MCU, adopt car rule level device, solve the not high problem of current controller reliability, the controller chooses for use the high integration chip, has solved the redundant problem of controller volume, has cut down the controller cost.

The extended-range new energy coordination controller can acquire signals of related sensors such as oil quantity of an oil tank, oil pressure, oil temperature and an air bag, and assists the engine controller in processing related signals. The controller adopts SPC560B series single-chip microcomputer, AD, digit and frequency related processing circuit acquisition sensor and switch signal input single-chip microcomputer for signal processing. The singlechip has the main functions of: and the CAN communication function is used for carrying out SPI communication function, collecting sensor signals and the like with the low-side driving chip TLE 75008. The power supply part adopts the LDO and the Tracker, so that the sufficient power supply capacity of the internal sensor and the external sensor of the controller is ensured, the precision of power supply and reference voltage is improved, and the reliability of the controller is improved. Adopt english flying TLE75008 driver chip, adopt SPI communication, 7 way low side drive output, wherein contain 2 way PWM drive output, the chip adopts built-in MOS, and the integrated level is high, and optimal design reduces the controller volume, and control fan, oil pump and engine ignition relay etc. relevant executor realize increasing journey ware control effect. The controller designs 3 ways CAN communication, CAN realize functions such as inside and outside communication and program flash, and wherein 1 way CAN chooses for use english-flying TLE6251, possesses the function of awakening up, CAN long-range awakening sleep controller.

Adopt car rule level components and parts, the controller adopts aluminum alloy shell, possesses IP6K7K level protective capability, and sealed protective capability is high, and the controller reliability is high, has passed relevant experimental standard and has certified. The component selection integration level is high, and the size and the cost of the controller are reduced.

Finally, it should be noted that:

the method may be carried out and its application may be carried out by those skilled in the art with reference to the disclosure herein, and it is expressly intended that all such alternatives and modifications as would be apparent to those skilled in the art are deemed to be included within the invention. While the method and application of the present invention have been described in terms of preferred embodiments, it will be apparent to those of ordinary skill in the art that variations and modifications in the method and application of the invention as described herein may be made and equivalents employed without departing from the spirit and scope of the invention.

Although the present invention has been described in detail with reference to the above embodiments, it should be understood by those skilled in the art that: modifications and equivalents may be made thereto without departing from the spirit and scope of the invention, and the appended claims are intended to cover such modifications and equivalents as fall within the true spirit and scope of the invention.