CN101109954A - Fuel cell vehicle controller monitoring system based on blue tooth communication - Google Patents
Fuel cell vehicle controller monitoring system based on blue tooth communication Download PDFInfo
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Abstract
A bluetooth communication-based controller monitoring control system for the entire fuel cell car, more particularly, the on-site real-time monitoring for the controller of the entire fuel cell car via the intelligent handset terminal end, PDA and the laptop computer. The controller monitoring control system belongs to the field of the industrial on-site supervision and is composed of a monitor terminal with the bluetooth function, a bluetooth wireless send-receive port, a entire car controller, a CAN bus set. The monitor terminal communicates with the bluetooth wireless send-receive port via the bluetooth 2.0+EDR wireless communication protocol; the bluetooth wireless send-receive port is connected with the entire car controller; the entire car controller is connected to the CAN network. The utility model has the advantages of high stability and reliability, high transmission rate, powerful anti-jamming ability and flexible application. Also, the multi-media memory cards with the large capacity such as CF, SD and MMC are adopted so as to facilitate the carry-over due to the small size.
Description
Technical field
A kind of entire fuel battery car controller monitoring system based on bluetooth communication, be particularly useful for adopting intelligent mobile phone terminal, PDA and portable computer that entire fuel battery car controller is carried out scene monitoring in real time, belong to industry spot monitoring technique field.
Background technology
Fuel cell car adopts the dcs structure, and each parts all has independently controller, and entire car controller carries out the coordination control of energy management and each parts to total system.Big for satisfying the system data exchange capacity, real-time, the characteristics that reliability requirement is high, the general CAN bus that adopts is carried out communication between each controller of whole dcs.
In the debugging of vehicle control unit controls algorithm, matching and calibration process, need monitor duty, the running parameter of fuel cell car, to understand the operation conditions of each parts, sometimes also need directly make amendment in the testing ground to controlled variable, variation on the program structure also needs again with the control program writing controller, and this just requires entire car controller that a powerful supervisory system cooperating is arranged.
Because vehicle monitoring system must be done by trip runner, therefore finished automobile controller monitoring system all is to adopt portable computer to develop based on RS-232 serial communication protocol or CAN communication protocol traditionally, serial communication exists shortcomings such as data transmission credibility is poor, transfer rate is low in the real train test environment, because the low SCI communication task of controller and host computer that causes of transfer rate is heavy, limited the quantity of parameter transmission.Because portable computer generally is not equipped with the CAN communication interface, therefore use CAN communication protocol to monitor and then be necessary for CAN communication interface card of portable computer outfit, and computing machine CAN communication interface card is generally relatively more expensive, has therefore increased the cost of supervisory system greatly.
In addition, adopt above-mentioned traditional supervisory system also to have following shortcomings:
1. in order to realize monitoring and record in real time, computing machine must move in vehicle '.Because in the vehicle traveling process, often follow jolt, rugged surroundings that inclination etc. is unfavorable for computer run, therefore to the performance of computing machine especially hard disk, internal memories etc. have proposed higher requirement, must adopt special industrial experiment just can come into operation with computing machine, otherwise can cause computing machine to damage the phenomenon of loss of data.Industrial experiment generally is 5～10 times of common computer with the price of computing machine, has increased experiment operating cost greatly.
2. because computing machine need use the 220V AC power, and car battery mostly is the following direct supply of 30V (regular price gasoline vehicle mounting 12V power supply at present, diesel vehicle 24V), therefore, must be equipped with vehicle-mounted DC-AC boosting inverter in order to satisfy the computing machine need for electricity.This has not only increased the complicacy of system but also has made experimental cost further rise undoubtedly.
3. in the above-mentioned supervisory system scheme, certainly exist complicated wiring relation between each equipment, as each power devices wiring, signal transmission wire or the like.The wiring of complicated layout in narrow and small interior space not only makes whole test system seem too fat to move in a jumble, also has certain potential safety hazard.
4. computing machine and annex thereof, equipment volume such as signal Processing multiplying arrangement are bigger, are unfavorable for carrying and installing and fixing, and the workload that has both increased the experimenter has also reduced the dirigibility of experiment.
In numerous short-distance wireless communication technologies, Bluetooth technology is relatively more outstanding one, and is being used widely.In Bluetooth 1.1 agreements, the working frequency range of Bluetooth technology is the unified 2.4GHz ISM band in the whole world.It adopts the fast frequency-hopped spread spectrum with p.s. 1,600 million, and transfer rate is 1Mbps, has very strong antijamming capability; The effective propagation path Bluetooth Class 2 of its standard is 10 meters, and Bluetooth Class 1 distance is 100 meters.The well-designed agreement of Bluetooth technology standard has sandwich construction, and whole protocol architecture is simple, and uses mechanism such as forward error correction coding and automatic re-transmission to guarantee the reliability of link.The equipment of following Bluetooth protocol can replace complicated cable in the legacy network by enough wireless communication links, realizes the data and the Speech Communication of fast and flexible, safety, low cost, low-power consumption easily.The various application of following Bluetooth protocol all guarantee to be simple and easy to the installation of usefulness and operation, security mechanism and interoperability completely efficiently, thereby realize communication anywhere or anytime.Bluetooth technology will develop rapidly in multiple field, and its typical applied environment comprises wireless office environment, auto industry, information household appliances, Medical Devices or the like.
Bluetooth 2.0 agreements of issue and supplementary agreement EDR thereof will really open the gate of bluetooth in the vehicle electric field application recently.Under Bluetooth 2.0 and EDR supplementary agreement, its communication speed has surpassed the actual communication standard-CAN of auto industry for the first time, has reached 3Mbps.That is to say that the bottleneck of using for Bluetooth has obtained solution under 2.0 agreements in automotive control system bus and mechanics of communication thereof.Identifying the Bluetooth technology and not only can in vehicle entertainment system, well used, vast potential for future development is also being arranged in automotive control system.Therefore the exploitation of using Bluetooth technology to replace original communication protocol to carry out entire fuel battery car controller monitoring system of new generation will have extensive market prospects.
Along with development of electronic technology, the intellectuality trend of the times of mobile phone at present.Because the portable serviceability of mobile phone along with the development of mobile communication technology, adopts mobile phone will thoroughly avoid above-mentioned because the variety of issue that uses a computer and bring as monitor terminal as monitor terminal of new generation.Advanced smart mobile phone, PDA not only possess high-quality display screen, input equipment, the large-capacity data storage space, the Bluetooth wireless communication ability, also support J2ME (Java 2 Micro Edtion) expansion technique, develop based on the Java Application platform of cell phone or PDA terminal.In numerous mobile phone development technology, J2ME since fast, cycle of tempo of development short, support that mobile phone is many, the advantage such as abundant of exploiting natural resources becomes most popular mobile phone development platform now.J2ME is not the unique interpretative code that disposes on the mobile phone, but it is an industry standard that many manufacturers support.Utilize powerful figure of J2ME and mobile phone resources development function, can well on mobile phone or PDA platform, develop beautiful interface, powerful measurement monitor terminal.
Summary of the invention
The objective of the invention is to problem, a kind of new entire fuel battery car controller monitoring system based on Bluetooth wireless communication is provided, to satisfy the needs of fuel cell entire car controller exploitation at present finished automobile controller monitoring system existence.
A kind of entire fuel battery car controller monitoring system based on bluetooth communication, this system is made up of monitor terminal, blue teeth wireless transmitting-receiving port, entire car controller, the CAN bus of band bluetooth (bluetooth) function;
The monitor terminal of described band bluetooth (bluetooth) function is connected communication by bluetooth 2.0 EDR patterns (Bluetooth 2.0+EDR) wireless communication protocol with described blue teeth wireless transmitting-receiving port; Described blue teeth wireless transmitting-receiving port communicates to connect mode by serial or parallel and links to each other with entire car controller; Entire car controller is connected to by the CAN bus interface on the CAN network of car load and carries out message exchange and control with all the other Control Node of car load.
The monitor terminal of described band bluetooth (bluetooth) function is mobile phone, PDA or computing machine.
The monitor terminal of described band bluetooth (bluetooth) function has multimedia extension storage cards such as CF, SD or MMC.
The present invention adopts the data exchange mode of bluetooth 2.0 EDR patterns (Bluetooth 2.0+EDR) wireless communication protocol as monitor terminal and entire fuel battery car controller.Described monitor terminal and entire fuel battery car controller all possess bluetooth 2.0 EDR abilitys to communicate.Monitor terminal is mainly smart mobile phone and hand held PDA, also can be by computer realization.The program of monitor terminal is based on the J2ME platform of smart mobile phone, PDA or the platform developments such as Java, Labview of computing machine, realizes that smart mobile phone, PDA and computing machine are connected with blue teeth wireless between the entire car controller.When monitor terminal is connected with entire car controller, adopts pairing (Pair) encryption mode of Bluetooth communication protocol, thereby guarantee data communication security and security.Connect by bluetooth, monitor terminal can be monitored and data storage in real time to entire car of fuel cell car CAN network and vehicle control unit controls parameter, detect data storage on the extension storage cards such as high capacity SD, MMS of embedded in mobile phone, can pass through USB cable after the data storage, infrared or bluetooth communication mode is ultimately delivered in the computing machine and is further processed.
Described monitor terminal is an any mobile phone or PDA who supports J2ME Java platform and Bluetooth communication, also can be the computing machine that possesses function of Bluetooth communication.By on mobile phone or PDA, using the Java programming, use programmings such as Java or Labview on computers, directly call bottom blue tooth interface function, realize with entire car controller between bluetooth be connected, simultaneously entire car controller parameter and car load CAN network are carried out wireless monitor.Watchdog routine is also by software development environments such as above-mentioned instruments, on described monitor terminal, move, this program can be installed on arbitrary mobile phone, PDA or the computing machine that meets the monitor terminal condition, thereby it can use in system as monitor terminal, accomplishes expanding and portability of platform.
Described entire car controller is the main control unit of vehicle, carries out message exchange and control by CAN network and all the other Control Node of car load.Described entire car controller bluetooth-enabled wireless receiving and dispatching port possesses bluetooth communication capability.Its with blue teeth wireless transmitting-receiving port between be connected can be by serial, multiple connected mode realization such as parallel.Entire car controller connects the monitor command that receives the monitor terminal transmission by bluetooth, and upwards transmits necessary monitor data according to the agreement of formulating.
Described blue teeth wireless transmitting-receiving port is arbitrary a bluetooth module that satisfies Bluetooth 2.0+EDR Class1 standard.
Bluetooth between described monitor terminal and the entire car controller is connected to Bluetooth 2.0+EDR Class1 pattern, and the communication speed maximum can reach 3Mbps, and the communication distance maximum can reach 100 meters.Connect pairing (Pair) encryption mode that adopts in the Bluetooth protocol, guarantee the confidentiality and the security of monitor data.
Described memory device is high capacity multimedia storage cards such as CF, SD, MMC, can be common to portable equipments such as mobile phone, camera, PDA.Its volume is little, and memory capacity is big, does not have mechanical part, need not big electric current power supply, has higher reliability and stability.
The Bluetooth wireless communication technology of uses advanced of the present invention has realized a kind of novel radio supervisory system of entire fuel battery car controller in conjunction with J2ME Java software platform, compares with traditional supervisory system, and its major advantage has:
A) Bluetooth 2.0+EDR Class1 protocol transmission speed height, fault freedom is good, the security performance height, antijamming capability is strengthened, and the fuel cell finished automobile controller monitoring system of formation has advantages of higher stability.
B) possess multiple monitor terminals such as mobile phone, PDA and computing machine and monitor, need not the 220V Alternating Current Power Supply, volume is little, and is easy to carry, and application places is flexible, is convenient to the test adjustment of getting on the bus.
C) adopt wireless connections, monitoring is not connected the restriction of lead, and is simple in structure, flexible, the security that has improved finished automobile controller monitoring system.
D) adopt high capacity multimedia storage cards such as CF, SD, MMC as memory device, it is little to have a volume, portable advantage.Compare with hard disc of computer, also have advantages such as antivibration, anti-inclination.
Description of drawings
Fig. 1 is based on the fuel cell finished automobile controller monitoring system structural representation of Bluetooth communication.
Fig. 2 is the program flow diagram of entire car controller response bluetooth monitoring.
Fig. 3 is the process flow diagram of monitor terminal working method.
Embodiment
Be illustrated in figure 1 as entire fuel battery car controller monitoring system structural representation based on bluetooth communication.Entire car controller is connected with bluetooth radio module by serial communication, the EK-11 module that shown bluetooth module is produced for Finland Bluegiga, this module meets Bluetooth 2.0+EDR Class1 standard, maximum communication rate can reach 3Mbps, transmit distance and reach 100 meters, can carry out transmitting and receiving of Bluetooth signal by external antenna or built-in aerial.Entire car controller is set up bluetooth as the bluetooth slave and is connected.Monitor terminal is the platform device that mobile phone, PDA or computing machine etc. possess function of Bluetooth communication, carries out exchanges data by J2ME Java platform and entire car controller by bluetooth, sets up bluetooth as main frame and connects.The connection procedure of bluetooth need match (Pair) encrypt, the process of pairing provides password for the side that communicates by letter, the opposing party is through correctly obtaining to match secret key behind the input password, need not frequent pairing through the mobile phone after the pairing can monitor entire car controller, both guarantee the security and the confidentiality of data links, simplified the process of input validation password again.Entire car controller is connected to the CAN network of car load by the CAN bus interface equipment, and therefore, this supervisory system can be monitored in real time to whole C AN.
Be illustrated in figure 2 as the program flow diagram of the response bluetooth monitoring of entire car controller.When not carrying out bluetooth connection monitoring, entire car controller sends instruction makes bluetooth module be in low power consumpting state, waits for that the bluetooth from monitor terminal connects.When monitor terminal was attempted connecting entire car controller, entire car controller sent the pairing secret key, waited for that setting up safe bluetooth with monitor terminal is connected.If successful matching, having set up safe bluetooth connects, entire car controller promptly reads the monitor command that passes over by bluetooth communication, monitor command is resolved, according to monitor command the data of needs monitoring are handled, encapsulate, encode, packed, data are sent by bluetooth return monitor terminal then.Connect if do not set up the bluetooth of safety, entire car controller is then controlled bluetooth communication module and is got back to low-power consumption mode, waits for that set up bluetooth connects next time.
Be illustrated in figure 3 as the monitoring software process flow diagram of mobile phone, PDA or computer monitoring terminal.This software is write by J2ME Java 2Micro Edition, can run on most of mobile phone, PDA and computer platform.Can directly control by the api function that calls the J2ME bottom the bluetooth communication of mobile phone, PDA and built-in computer.In the time will carrying out monitor task, monitor terminal begins to search the bluetooth equipment (Inquiry) that exists on every side, when finding that entire car controller is in monitoring range, just send bluetooth host and connect trial, during matching request that entire car controller to be received sends, by cell phone keyboard or computer keyboard input pairing password.After successfully matching, monitor terminal sends monitor command by bluetooth, waits for the monitor data of entire car controller passback.After receiving monitor data, monitor terminal is decoded to data, and shows in real time on display screen.Monitor terminal carries out document No. to monitor data then, with supervising data storage in storage cards such as CF, SD, MMC.Monitor terminal is constantly monitored the ruuning situation of entire car controller and CAN network thereof according to this flow process, when monitor task finishes, sends the finish command to entire car controller, and cuts off the bluetooth connection.
Claims (7)
1. the entire fuel battery car controller monitoring system based on bluetooth communication is characterized in that, this system is made up of monitor terminal, blue teeth wireless transmitting-receiving port, entire car controller, the CAN bus of band bluetooth (bluetooth) function;
The monitor terminal of described band bluetooth (bluetooth) function is connected communication by bluetooth 2.0EDR pattern (Bluetooth 2.0+EDR) wireless communication protocol with described blue teeth wireless transmitting-receiving port; Described blue teeth wireless transmitting-receiving port communicates to connect mode by serial or parallel and links to each other with entire car controller; Entire car controller is connected to by the CAN bus interface on the CAN network of car load and carries out message exchange and control with all the other Control Node of car load.
2. a kind of entire fuel battery car controller monitoring system based on bluetooth communication according to claim 1 is characterized in that, the EK-11 that described blue teeth wireless transmitting-receiving port is produced for Finland Bluegiga.
3. a kind of entire fuel battery car controller monitoring system based on bluetooth communication according to claim 1 is characterized in that, the monitor terminal of described band bluetooth (bluetooth) function is mobile phone, PDA or computing machine.
4. a kind of entire fuel battery car controller monitoring system based on bluetooth communication according to claim 3 is characterized in that, the monitor terminal of described band bluetooth (bluetooth) function has extension storage card.
5. a kind of entire fuel battery car controller monitoring system based on bluetooth communication according to claim 1 is characterized in that, described extension storage card is CF, SD or MMC multimedia storage card.
6. a kind of entire fuel battery car controller monitoring system based on bluetooth communication according to claim 1 is characterized in that, described entire car controller is with the monitor terminal of bluetooth (bluetooth) function according to the following steps response:
(1) when not carrying out bluetooth connection monitoring, entire car controller sends instruction makes blue teeth wireless transmitting-receiving port be in low power consumpting state, waits for the bluetooth connection of the monitor terminal that carries bluetooth (bluetooth) function;
(2) when the monitor terminal of band bluetooth (bluetooth) function sends signal to blue teeth wireless transmitting-receiving port trial connection entire car controller by Bluetooth 2.0+EDR Class1 agreement, entire car controller sends the pairing secret key by blue teeth wireless transmitting-receiving port, waits for that setting up safe bluetooth with monitor terminal is connected;
(3) if successful matching, having set up safe bluetooth connects, entire car controller promptly reads the monitor command of passing by the oral instructions of blue teeth wireless sending and receiving end, monitor command is resolved, according to monitor command the data of needs monitoring are handled, encapsulate, encode, packed, data are sent by blue teeth wireless transmitting-receiving port return monitor terminal then;
Connect if do not set up the bluetooth of safety, entire car controller is then controlled blue teeth wireless transmitting-receiving port and is got back to low-power consumption mode, waits for that set up bluetooth connects next time.
7. a kind of entire fuel battery car controller monitoring system according to claim 1 based on bluetooth communication, it is characterized in that, described monitor terminal is write by J2ME Java 2 Micro Edition, by the api function that calls the J2ME bottom monitor terminal is controlled, is communicated by Bluetooth 2.0+EDR Class1 agreement and blue teeth wireless transmitting-receiving port according to the following steps:
(1) in the time will carrying out monitor task, the monitor terminal of band bluetooth (bluetooth) function begins to search the bluetooth equipment (Inquiry) that exists on every side;
(2) when finding that entire car controller is in monitoring range, just send bluetooth host and connect and attempt, during matching request that entire car controller to be received sends, by cell phone keyboard or computer keyboard input pairing password;
(3) after successfully matching, the monitor terminal of band bluetooth (bluetooth) function sends monitor command to blue teeth wireless transmitting-receiving port and entire car controller by bluetooth, waits for the monitor data of entire car controller passback;
(4) receive monitor data after, monitor terminal is decoded to data, and shows in real time on display screen; Monitor terminal carries out document No. to monitor data then, with supervising data storage in storage card;
(5) monitor terminal is constantly monitored the ruuning situation of entire car controller and CAN network thereof according to this above-mentioned steps, when monitor task finishes, sends the finish command to entire car controller, and cuts off the bluetooth connection.
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| CNA2007100999561A CN101109954A (en) | 2007-06-01 | 2007-06-01 | Fuel cell vehicle controller monitoring system based on blue tooth communication |
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| CNA2007100999561A CN101109954A (en) | 2007-06-01 | 2007-06-01 | Fuel cell vehicle controller monitoring system based on blue tooth communication |
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| CN101881965A (en) * | 2010-07-01 | 2010-11-10 | 三一重工股份有限公司 | Bluetooth equipment used in engineering machinery and engineering machinery |
| CN101888335A (en) * | 2010-06-25 | 2010-11-17 | 南京信息工程大学 | CAN bus-bluetooth intelligent network bridge |
| CN102072665A (en) * | 2010-12-31 | 2011-05-25 | 陕西科技大学 | Remote mobile phone wireless monitoring device and monitoring method for heat treatment furnace |
| CN102175087A (en) * | 2010-12-31 | 2011-09-07 | 陕西科技大学 | Mobile phone wireless monitoring device for pit-type carburizing furnace and monitoring method thereof |
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| CN102855747A (en) * | 2012-09-08 | 2013-01-02 | 无锡中科苏惠自动化技术有限公司 | Field level bluetooth communication monitoring module based on bluetooth wireless communication |
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| CN101888335A (en) * | 2010-06-25 | 2010-11-17 | 南京信息工程大学 | CAN bus-bluetooth intelligent network bridge |
| CN101881965A (en) * | 2010-07-01 | 2010-11-10 | 三一重工股份有限公司 | Bluetooth equipment used in engineering machinery and engineering machinery |
| CN102072665A (en) * | 2010-12-31 | 2011-05-25 | 陕西科技大学 | Remote mobile phone wireless monitoring device and monitoring method for heat treatment furnace |
| CN102175087A (en) * | 2010-12-31 | 2011-09-07 | 陕西科技大学 | Mobile phone wireless monitoring device for pit-type carburizing furnace and monitoring method thereof |
| CN102582526A (en) * | 2012-03-09 | 2012-07-18 | 广东铁将军防盗设备有限公司 | Vehicle-mounted integrated system of mobile communication terminal and signal interaction method of vehicle-mounted integrated system |
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| CN102855747A (en) * | 2012-09-08 | 2013-01-02 | 无锡中科苏惠自动化技术有限公司 | Field level bluetooth communication monitoring module based on bluetooth wireless communication |
| CN102857268A (en) * | 2012-09-08 | 2013-01-02 | 无锡中科苏惠自动化技术有限公司 | Bluetooth wireless communication based field-level Bluetooth communication monitoring module |
| CN102866685A (en) * | 2012-09-08 | 2013-01-09 | 无锡中科苏惠自动化技术有限公司 | Wireless monitoring module for producing workshop based on Bluetooth wireless communication |
| CN104657365A (en) * | 2013-11-18 | 2015-05-27 | 比亚迪股份有限公司 | Method and system for accessing automobile data through applicable programming interface (API) |
| CN104657300A (en) * | 2013-11-18 | 2015-05-27 | 比亚迪股份有限公司 | Method and system for obtaining automobile data through application programming interface |
| WO2015070815A1 (en) * | 2013-11-18 | 2015-05-21 | 比亚迪股份有限公司 | Method and system for acquiring automobile data via application programming interface |
| CN104657300B (en) * | 2013-11-18 | 2018-09-11 | 比亚迪股份有限公司 | The method and system of car data are obtained by Application Programming Interface |
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