CN102141803B - Electronic controller for automotive power system assembly - Google Patents

Abstract

The invention discloses an electronic controller for an automotive power system assembly, which comprises a central processing unit, a GPS (Global Position System) module, a GPRS (General Packet Radio Service) module, an RFID (Radio Frequency Identification Device) module, an anti-theft module, an input loop, an output loop and a memory, wherein the GPS module, the GPRS module, the RFID module and the anti-theft module can be used for receiving data related to an automobile and sending the data to the central processing unit; the vehicle standard operation parameters and the vehicle identification information are stored in the memory; the central processing unit is used for comparing the received data with the standard operation parameters and the vehicle identification information in the memory to generate a corresponding control instruction according to the comparison results; and the output loop is used for sending the control instruction to a corresponding control module. The controller can comprehensively process the information of an engine, the torsion, the vehicle speed and the speed ratio of a gear box and other information of a power system and realizes the cooperative control and management on the entire power system so as to improve the dynamic property, the economical efficiency, the safety and other performances of the entire controller.

Description

Automotive powertrain electronic controller

technical field

The present application relates to the technical field of automotive electronics, in particular to an electronic controller of an automotive power system assembly.

Background technique

The modern automobile industry has entered a mature stage. Globally, automobile production capacity has formed a situation of oversupply. In order to further compete for the market, major automobile companies are trying to improve automobile power, safety, economy, environmental protection and expansion. Improve the competitiveness of products in terms of functional scope and other aspects.

Through the research of the prior art, the inventor found that: currently, the degree of networking of domestic automotive electronics is relatively low, and the control part of the vehicle is relatively independent. Usually, an independent controller is set in a certain part of the vehicle to complete specific functions. , such as: engine electronic control, AMT gearbox control, ABS/ASR electronic control, etc. For the whole vehicle, these controllers have relatively single functions and are only responsible for a specific part of the vehicle. Therefore, during the operation of the vehicle, each controller cannot realize information sharing and remote transmission of information, and thus cannot coordinate the vehicle. Reduce the overall performance of the vehicle.

Contents of the invention

In view of this, the embodiment of the present application provides an electronic controller for the vehicle power system assembly, which performs data interaction with other electronic control systems or modules through the vehicle network, so as to realize coordinated control and management of the entire power system, and improve The power, economy, safety and other performances of the whole vehicle are guaranteed.

In order to achieve the above objectives, the technical solutions provided in the embodiments of the present application are as follows:

An electronic controller of an automobile power system assembly, comprising: a central processing unit, a GPS module, a GPRS module, an RFID module, an anti-theft module, an input circuit, an output circuit and a memory, wherein:

The GPS module, GPRS module, RFID module and anti-theft module are all connected with the central processing unit;

The GPS module is used to receive the positioning information of the vehicle and send the positioning information to the central processing unit, the GPRS module is used to maintain the remote communication between the central processing unit and the outside world, and the RFID module is used to receive wireless The powertrain data information collected by the collection device is sent to the central processing unit, and the anti-theft module is used to collect the identification request sent by the anti-theft key through a wireless signal, and send it to the central processing unit;

The input circuit is connected to the central processing unit, and is connected to the sensor on the vehicle through a wired connection, and is used to send the vehicle operating parameters acquired by the sensor to the central processing unit;

The memory is connected to the central processing unit and used to store the data received by the central processing unit, and the standard operating parameters and vehicle identification information of the vehicle are stored in the memory;

The central processing unit is used to receive the data sent by the GPS module, GPRS module, RFID module, anti-theft module and input loop, and compare the received data with the corresponding standard operating parameters and vehicle identification information in the memory comparing, generating corresponding control instructions according to the comparison result;

The output loop is connected to the central processing unit, and is connected to the control module on the vehicle through a wired connection, and is used to send the control command of the central processing unit to the control module on the vehicle.

Preferably, the input loop is connected to the central processing unit through an A/D conversion module or an I/O interface, and the output loop is connected to the central processing unit through an I/O interface.

Preferably, the central processing unit generates driving condition evaluation and driving guidance information according to the comparison result.

Preferably, the controller further includes: a display device connected to the central processing unit for receiving and displaying the driving status evaluation and driving guidance information generated by the central processing unit.

Preferably, the controller further includes: a voice prompting device, the voice prompting device is connected to the central processing unit, and is used to receive and voice play the driving condition evaluation and driving guidance information generated by the central processing unit.

Preferably, the central processing unit is provided with an RS232 communication interface for calibrating the standard operating parameters and vehicle identification information in the memory.

It can be seen from the above technical solutions that the electronic controller of the automobile power system provided by the embodiment of the application consists of a central processing unit and a GPS module, a GPRS module, an RFID module, an anti-theft module, an input circuit, and an output circuit respectively connected to the central processing unit. Composed of loop and memory, the positioning information of the vehicle can be obtained through the GPS module, the vehicle can communicate with the outside world through the GPRS module, the operating parameters of the vehicle can be obtained through the RFID module and the input circuit, and the anti-theft key can be obtained through the anti-theft module. In addition, the standard operating parameters and vehicle identification information of each part of the vehicle are also stored in the memory, and the central processing unit receives the data received by the above-mentioned parts, and compares the received data with the corresponding pre-stored data in the memory , generate corresponding control commands according to the comparison results, and send the control commands to the control device on the vehicle through the output loop, so as to realize the control of the whole vehicle.

Compared with the existing independent controller, the electronic controller of the assembly can integrate the information of various parts of the vehicle when it is working, and comprehensively process the information of the power system including the vehicle engine, torque, vehicle speed, and gearbox speed ratio. Information realizes the coordinated control and management of the entire power system, so the control and handling characteristics of the vehicle power system can be optimized, the operating characteristics of the power system can be improved, and the power, economy, and safety of the vehicle can be improved.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only These are some embodiments described in this application. Those skilled in the art can also obtain other drawings based on these drawings without creative work.

Fig. 1 is a schematic structural diagram of an electronic controller of an automobile power system assembly provided by an embodiment of the present application;

FIG. 2 is a schematic structural diagram of another electronic controller of an automotive powertrain assembly provided by an embodiment of the present application.

Detailed ways

In order to enable those skilled in the art to better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described The embodiments are only some of the embodiments of the present application, but not all of them. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without creative efforts shall fall within the scope of protection of this application.

FIG. 1 is a schematic structural diagram of an electronic controller of an automotive powertrain assembly provided by an embodiment of the present application.

As shown in Figure 1, the electronic controller of the assembly includes: central processing unit 1, GPS (Global Positioning System, Global Positioning System) module 2, GPRS (General Packet Radio Service, general packet radio service technology) module 3, RFID (Radio Frequency Identification, radio frequency identification) module 4, anti-theft module 5, input loop 6, output loop 7 and memory 8.

The central processing unit 1 is connected with the GPS module 2, the GPRS module 3, the RFID module 4 and the anti-theft module 5 respectively. In the embodiment of the present application, the GPS module 2 is a GRS module on the common market, and its function is to obtain the positioning information of the relevant vehicle through data interaction with satellites, and send the obtained positioning information to the central processing unit 1; the GPRS module 3. Perform data interaction with the outside world in a wireless manner to maintain remote communication between the central processing unit 1 and the outside world; the RFID module 4 can perform data interaction with the wireless collection device on the vehicle through radio frequency, and is used to receive data collected by the wireless collection device. The received data is sent to the central processing unit 1; the anti-theft module 5 is mainly used to receive the wireless signal of the anti-theft key and send the wireless signal to the central processing unit.

The input loop 6 is connected to the acquisition device on other parts of the vehicle through the vehicle network, and is used to receive the data collected by the acquisition device and send it to the central processing unit 1 . In the embodiment of the present application, the vehicle network may be a CAN bus, and may also be other wired networks or wireless networks applied in vehicles. In addition, the input loop 6 is connected to the central processing unit 1 through an A/D conversion interface or an I/O interface, where the A/D conversion interface is mainly used to convert the analog signal received by the input loop into a digital signal.

The memory 8 is directly connected with the central processing unit 1. The data received by the central processing unit 1 can be stored in the memory 8. In addition, the standard operating parameters and vehicle identification information of various parts of the vehicle can also be pre-stored in the memory 8. It can be called at any time during the operation of the vehicle.

The central processing unit 1 is the most important part of the electronic controller of the assembly, and its function is to receive the data input by the GPS module 2, the GPRS module 3, the RFID module 4, the anti-theft module 5 and the input circuit 6, and transfer the received The data is compared with the corresponding standard operating parameters or vehicle identification information of the vehicle pre-stored in the memory 8, and corresponding control instructions are generated according to the comparison result. For example, when the vehicle is stationary and the engine is idling, the central processing unit compares the engine speed at this time with the preset engine idling speed, and if the current speed is higher than the preset speed, the central processing unit generates a control command to reduce the engine speed , in order to reduce the fuel consumption when the engine is idling, or the central processing unit can judge that the vehicle is climbing a slope according to the data of the acceleration sensor on the vehicle compared with the preset value, so the central processing unit can generate a control to increase the engine speed instruction to increase the output power of the engine. In addition, since the central processing unit receives all the operating parameters of the entire vehicle, the central processing unit can comprehensively grasp the overall operating status of the vehicle, and can control the vehicle from the perspective of the entire vehicle during processing.

After the central processing unit 1 generates the control command, it needs to send the control command to each control module on the vehicle, so as to adjust the running condition of the vehicle in time. Central processing unit 1 carries out data output through output loop 7, and output loop 7 is connected with central processing unit 1 through I/O interface, and output loop 7 can be connected with the control module on the vehicle by the mode of wired connection, central processing The control commands of unit 1 are sent to the control module on the vehicle. In addition, in other embodiments of the present application, the RFID module 4 can also output the output instructions of the central processing unit 1, and the RFID module 4 is mainly aimed at a control module that uses wireless signals for communication. Through the control instructions of the central processing unit 1, the control of the whole vehicle can be completed. In the embodiment of the present application, the central processing unit 1 can not only realize simple actions such as controlling the opening of the car door, starting or stopping the engine, but also can realize the control of the power system. The driving force and braking force of the assembly are distributed and adjusted reasonably, because the electronic controller of the assembly can integrate the information of each part of the vehicle when it is working, and the comprehensive processing includes the vehicle engine, torque, vehicle speed, gearbox speed ratio, etc. The information of the power system can optimize the control and handling characteristics of the vehicle power system, improve the operating characteristics of the power system, thereby reducing fuel consumption and improving the safety of the power system.

In other embodiments of the present application, the central processing unit 1 can also generate driving status evaluation and driving guidance information according to the comparison results. As shown in FIG. The device 9 is connected with the central processing unit 1, and its function is to display the driving status evaluation and driving guidance information generated by the central processing unit 1, so that the driver can notice at any time, and then the driver can evaluate and guide the driving according to the driving status. information to make adjustments to vehicle operation. As shown in Figure 2, the electronic controller of the automotive powertrain assembly can also include: a voice prompt device 10, the voice prompt device 10 is connected with the central processing unit 1, and its function is the same as that of the display device 9, which is to connect the central processing unit 1 The generated driving status rating and driving guidance information are notified to the driver by voice, and compared with the display device 9, the mode of voice prompt is adopted. Compared with the display device, the driver can get Driving status evaluation and driving guidance information.

In addition, in other embodiments of the present application, as shown in FIG. 2, the central processing unit 1 is also provided with an RS232 communication interface 11, through which the communication of the whole vehicle system can be realized, and various types of shared power system assemblies of the whole vehicle can be supported. information, and can support the expansion and upgrading of the body control function of the central processing unit 1 and calibrate the standard operating parameters and vehicle identification information in the memory.

It can be seen from the above technical solutions that the electronic controller of the automobile power system provided by the embodiment of the application consists of a central processing unit and a GPS module, a GPRS module, an RFID module, an anti-theft module, an input circuit, and an output circuit respectively connected to the central processing unit. Composed of loop and memory, the positioning information of the vehicle can be obtained through the GPS module, the vehicle can communicate with the outside world through the GPRS module, the operating parameters of the vehicle can be obtained through the RFID module and the input circuit, and the anti-theft key sent by the anti-theft module can be obtained In addition, standard operating parameters and vehicle identification information of various parts of the vehicle are also stored in the memory. The central processing unit receives the data received by the above-mentioned parts, and compares the received data with the corresponding pre-stored data in the memory. Generate corresponding control instructions according to the comparison results, and send the control instructions to the control device on the vehicle through the output loop, so as to realize the control of the whole vehicle.

Compared with the existing independent controller, the electronic controller of the assembly can integrate the information of various parts of the vehicle when it is working, and comprehensively process the information of the power system including the vehicle engine, torque, vehicle speed, and gearbox speed ratio. Information, so the control and handling characteristics of the vehicle power system can be optimized, and the operating characteristics of the power system can be improved, thereby reducing fuel consumption and improving the safety of the power system.

The above descriptions are only preferred embodiments of the present application, enabling those skilled in the art to understand or implement the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the application. Therefore, the present application will not be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (6)

1. an automobile dynamic system assembly electronic controller is characterized in that, comprising: CPU, GPS module, GPRS module, RFID module, anti-theft module, input circuit, output loop and storer, wherein:

Said GPS module, GPRS module, RFID module and anti-theft module all are connected with said CPU;

Said GPS module is used to receive the locating information of vehicle; And locating information sent to said CPU; Said GPRS module is used to keep said CPU and extraneous telecommunication, and said RFID module is used to receive the power assembly data message that wireless acquisition device collects, and sends to said CPU; Said anti-theft module is used to gather the identification request that anti-theft key sends through wireless signal, and sends to said CPU;

Said input circuit is connected with said CPU, and is connected with sensor on the vehicle through the mode of wired connection, is used for the vehicle operating parameters that said sensor obtains is sent to said CPU;

Said storer is connected with said CPU, be used to store the data that said CPU receives, and said store memory contains the standard operational factor and the vehicle identification information of vehicle;

Said CPU is used to receive the data that said GPS module, GPRS module, RFID module, anti-theft module and input circuit send; And corresponding standard operational factor and the vehicle identification information in data that receive and the said storer compared, generate the control corresponding instruction according to comparative result;

Said output loop is connected with said CPU, and is connected with control module on the vehicle through the mode of wired connection, is used for the steering order of said CPU is sent to the control module on the vehicle.

2. controller according to claim 1 is characterized in that, said input circuit is connected with said CPU through A/D modular converter or I/O interface, and said output loop is connected with said CPU through the I/O interface.

3. controller according to claim 1 is characterized in that, said CPU generates the driving condition evaluation and drives tutorial message according to said comparative result.

4. controller according to claim 1; It is characterized in that; Further comprise: display device, said display device is connected with said CPU, is used to receive and shows the driving condition evaluation that said CPU generates and drive tutorial message.

5. controller according to claim 1; It is characterized in that; Further comprise: sound prompt device, said sound prompt device is connected with said CPU, is used to receive the driving condition evaluation of the also said CPU generation of speech play and drives tutorial message.

6. controller according to claim 1 is characterized in that said CPU is provided with the RS232 communication interface, is used for standard operational factor and vehicle identification information in the storer are demarcated.

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