CN201364494Y - On-vehicle monitoring terminal - Google Patents
On-vehicle monitoring terminal Download PDFInfo
- Publication number
- CN201364494Y CN201364494Y CNU2009201062160U CN200920106216U CN201364494Y CN 201364494 Y CN201364494 Y CN 201364494Y CN U2009201062160 U CNU2009201062160 U CN U2009201062160U CN 200920106216 U CN200920106216 U CN 200920106216U CN 201364494 Y CN201364494 Y CN 201364494Y
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- 238000012544 monitoring process Methods 0.000 title abstract description 8
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- 239000013078 crystal Substances 0.000 claims description 3
- 238000012545 processing Methods 0.000 description 12
- 238000010586 diagram Methods 0.000 description 10
- 230000006870 function Effects 0.000 description 8
- 238000000034 method Methods 0.000 description 4
- 230000003993 interaction Effects 0.000 description 3
- 238000010835 comparative analysis Methods 0.000 description 2
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- 238000012806 monitoring device Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
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- 238000011161 development Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
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- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
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- 238000001914 filtration Methods 0.000 description 1
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- 238000002955 isolation Methods 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
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- 230000008520 organization Effects 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
Abstract
The utility model provides an on-vehicle monitoring terminal of an electric automobile, which belongs to an embedded type on-vehicle monitoring terminal. The on-vehicle monitoring terminal comprises an embedded type controller, a program storing and running module, a power supply management module, a monitoring circuit, a CAN bus module, a GPS module, an LCD module, a touch screen module and a MiniSD card data storing module. The on-vehicle monitoring terminal not only can collect complete running parameters of a power storage battery of the electric automobile, but also can realize real-time positioning tracking of the electric automobile and obtain parameters about the running position, speed, direction and the like of the electric automobile. Meanwhile, the on-vehicle monitoring terminal stores the collected running parameters of the electric automobile into MiniSD card storing equipment of the terminal.
Description
Technical field
The utility model relates to a kind of automobile monitoring device, specifically can gather for a long time, demonstration, store electricity electrical automobile power accumulator real time execution parameter, and can accurately locate the monitor terminal of following the tracks of electric automobile by Global Positioning System (GPS) GPS.
Background technology
Power accumulator is as the energy storage component of electric automobile, and its technical merit will play decisive role to the development of electric automobile.At present, domestic electric automobile is in demonstration operation and examination stage.In this stage, need intactly gather and store the operational factor of power accumulator, as the monomer voltage electric current, the assembled battery total voltage total current, the highest minimum temperature, state-of-charge SOC, depth of discharge DOD, charged state, charging times, input and output electric flux etc., to reflect the state of power accumulator exactly, for analyzing, improve the power accumulator performance index raw data is provided, for the Technological Economy and the automobile reliability of the existing electric automobile of comprehensive assessment, for further improving the optimal design of car load, the relevant decision-making of accumulation operation organization and administration experience and policy provides first-hand full and accurate data and foundation.
At present, there is limited storage space in existing supervising device, it is incomplete to gather the power accumulator operational factor, do not possess accurate accumulative total electric automobile distance travelled, can not accurately locate deficiencies such as electric automobile run location.These are not enough to have brought difficulty to estimating the power accumulator performance index comprehensively, objectively.
The utility model content
In order to overcome the prior art limited storage space, to gather the not congruent defective of electric automobile operational factor, the utility model provides a kind of Embedded vehicle monitor terminal.
For this reason, the utility model is by the following technical solutions: a kind of vehicle monitor terminal, comprise embedded controller, the SDRAM Synchronous Dynamic Random Access Memory, the FLASH storer, power management module, the Clock management module, supervisory circuit, the CAN bus module, the GPS locating module, the LCD LCD MODULE, touch screen module and MiniSD card data memory module, described embedded controller respectively with the SDRAM Synchronous Dynamic Random Access Memory, the FLASH storer, the Clock management module, supervisory circuit, the CAN bus module, the GPS locating module, the LCD LCD MODULE, touch screen module and MiniSD card data memory module are connected, and embedded controller is connected with vehicle power by power management module.
More preferably, described CAN bus module is connected with embedded controller by the SPI interface, described GPS locating module is connected with embedded controller by serial ports, described LCD LCD MODULE is connected with embedded controller by the LCD interface, described touch screen module is connected with embedded controller by touch screen interface, and described MiniSD card data memory module is connected with embedded controller by SDIO.
Described power management module comprises DC-DC converter and the LDO conversion chip that is used for carrying to embedded controller different voltages, and each LDO conversion chip all is connected with the DC-DC converter.
Described CAN bus interface module comprises CAN Bus Interface Chip, photoelectrical coupler and CAN bus controller, and photoelectrical coupler is connected with the CAN bus controller with the CAN Bus Interface Chip respectively, the external crystal oscillator of CAN bus controller.
Described GPS locating module also connects a standby power supply, with assurance it is powered continuously.
Described LCD LCD MODULE comprises buffer memory driving circuit, LCD and Boost transducer, and the buffer memory driving circuit all is connected with LCD with the Boost transducer.
Described MiniSD memory module is made of MiniSD card and MOSFET circuit, and the MiniSD card is connected with the MOSFET circuit, and described MOSFET circuit is to select grooved field-effect tube for use.
The beneficial effects of the utility model are:
1. this vehicle monitor terminal can comprehensively, in time obtain the operational factor of electric powered motor accumulator, for the Performance Characteristics of comparative analysis variety classes power accumulator provides first-hand full and accurate data, be analysis-by-synthesis and estimate electric vehicle engineering economy, environmental suitability, for the overall characteristic of comparative analysis electric automobile and other clean energy resource automobiles provides raw data.
2. this vehicle monitor terminal not only can be gathered the entire run parameter of electric powered motor accumulator, and can carry out real time location tracking to electric automobile, obtains the parameters such as run location, travelling speed and traffic direction of electric automobile.Simultaneously, this vehicle monitor terminal is saved to the electric automobile operational factor that collects in the mass-memory unit of terminal, even also can steady operation under comparatively complicated vehicle environment.
Description of drawings
Fig. 1 is a system functional block diagram of the present utility model;
Fig. 2 is the circuit theory diagrams of vehicle monitor terminal power management module;
Fig. 3 is the circuit theory diagrams of vehicle monitor terminal supervisory circuit;
Fig. 4 is the circuit theory diagrams of vehicle monitor terminal CAN bus interface module;
Fig. 5 is the circuit theory diagrams of vehicle monitor terminal GPS receiver module;
Fig. 6 is the circuit theory diagrams of vehicle monitor terminal LCD LCD MODULE;
Fig. 7 is the circuit theory diagrams of vehicle monitor terminal touch screen module;
Fig. 8 is the circuit theory diagrams of vehicle monitor terminal MiniSD card memory module.
Embodiment
Below in conjunction with accompanying drawing the utility model embodiment is described in further detail.
The system functional block diagram of embodiment of the present utility model as shown in Figure 1, the circuit theory diagrams of each module existing are described below the function and the interface signal line of each circuit module shown in Fig. 2-8 in conjunction with the accompanying drawings:
Embedded controller 1:
Adopting model is the ARM9 series embedded controller of S3C2440A-40-YQ80, is the core of vehicle monitor terminal, has abundant interface resource, to realize control and the scheduling to whole vehicle monitor terminal.
Vehicle monitor terminal is a core with embedded controller 1, and being equipped with model is the center processing unit of the SDRAM Synchronous Dynamic Random Access Memory 2 of K4S511632D-UC and the FLASH storer 3 formation monitor terminals that model is S29GL25610TAI02.Center processing unit carries out the arithmetic sum logical operation, stores various control informations, keeps various state of a controls, and each parts of control monitor terminal are worked harmoniously.
Power management module 4:
Power management module comprises that model is that (LD0 is the abbreviation of LOW DROP-OUT with four LDO that all are connected with converter for the DC-DC converter of TPS5450DDAR, implication is " linear voltage regulator ") conversion chip, the LDO conversion chip comprises MIC29303 chip, the MIC29153 of output 3.3V DC voltage, the MIC29153 of output 1.3V DC voltage and the LM1117 of output 3V DC voltage of output 4V DC voltage.Power management module uses vehicle-mounted 12V or 24V accumulator as input.The function of this power management module is that the Vehicular accumulator cell power supply is carried out rectification, Filtering Processing and converts the required DC voltage of each module chip to.Power management module is electrically connected other modules of vehicle monitor terminal, provides power supply to be used to other modules.
Clock management module 5:
For the center processing unit of vehicle monitor terminal provides the external timing signal of 12MHz and the real-time clock signal of 32.768kHz.
Supervisory circuit 6:
It is the multifunctional monitoring device of MAX706ATESA that supervisory circuit 6 adopts model, is one group of CMOS supervisory circuit, is used for the duty of monitoring power voltage and embedded controller.Compare with the circuit that adopts discrete component or simple function chip portfolio, reduced the complicacy of circuit system and the quantity of components and parts greatly, significantly improved system reliability and degree of accuracy.Supervisory circuit power on, power down or supply voltage occur providing reset signal to controller under the unusual situation.Supervisory circuit also provides functions such as WatchDog Timer and manual reset.Supervisory circuit is by WDO, WDI and RST equisignal line and embedded controller 1 interconnection.
CAN bus interface module 7:
The CAN bus interface module is used to receive the operational factor of power accumulator as a node on the electric automobile CAN bus network.CAN bus signals CANH and CANL are through after the CAN Bus Interface Chip TJA1040 conversion, utilize photoelectrical coupler HCPL0600 that it is carried out isolation processing, the CAN bus signals is admitted to CAN bus controller MCP2510 afterwards, photoelectrical coupler is connected with the CAN bus controller by data line, wherein TXCAN is used for the CAN bus controller and sends signal to photoelectrical coupler, and RXCAN is used for the CAN bus controller and receives the signal of being sent by photoelectrical coupler.The CAN bus controller carries out exchanges data by spi bus and embedded controller S3C2440A-40-YQ80.Spi bus comprises nSS0, SPIMISO0, SPIMOSI0 and SPICLK0 equisignal line.NPRESET is the reset signal of MCP2510.MCP2510 needs the crystal oscillator ability operate as normal of an external 12MHz.
GPS (GPS) locating module 8:
The model of GPS locating module is LEA-4S, and function is to receive the GPS message of HA Global Positioning Satellite by the GPS active antenna, and decomposes in real time.The GPS receiver module is connected with the serial ports 1 of embedded controller S3C2440A-40-YQ80 by the RS232 universal serial bus and carries out data interaction, and the RS232 universal serial bus comprises RX1 and two signal wires of TX1, is connected with TX, the RX data line interface of GPS locating module respectively.GPS-RST is the reset signal of LEA-4S.Can on GPS locating module 8, connect a 3V reserve battery again, can start in the mode of warm start to guarantee the GPS locating module.
LCD (LCD) LCD MODULE 9:
The LCD LCD MODULE comprises LCD, buffer memory driving circuit and Boost transducer, the buffer memory driving circuit all is connected with LCD with the Boost transducer, LCD select for use model be LTE430WQ-FOC 4.3 " LCD; the model of buffer memory driving circuit is 74LVC16245, and the model of Boost transducer is LM2733.The function of LCD LCD MODULE is to show the operational factor of power accumulator and the location parameter of electric automobile.The LCD LCD MODULE is carried out data interaction by VLINE, VCLK, PWREN, VFRAME, VM and VD0～VD23 equisignal line and embedded controller S3C2440A-40-YQ80.These signal demands could drive the LCD LCD through after the buffer memory driving circuit 74LVC16245.The function of Boost transducer LM2733 is to drive the LCD Backlight For Liquid Crystal Display Panels.
Touch screen module 10:
The user can realize man-machine interaction with monitor terminal by touch screen module.Touch screen module links to each other with the touch screen interface of TSXP equisignal line with embedded controller S3C2440A-40-YQ80 by TSYM, TSYP, TSXM.
MINISD card memory module 11:
MINISD card memory module is that the grooved field-effect tube of NTR4101P constitutes by MiniSD card and model, is used to store the operational factor of power accumulator and the location parameter of electric automobile.MiniSD card memory module is by the SDIO interface interconnection of nCD_SD, WP_SD, SDCLK, SDCMD and SDDATA0～SDDATA3 equisignal line and embedded controller S3C2440A-40-YQ80.The 3.3V power supply of MiniSD card memory module is controlled by the MOSFET field effect transistor, to support the hot plug function of MiniSD card.
The course of work of the utility model terminal is: the CAN bus interface module is gathered the operational factor that power accumulator management system BMS provides by the CAN bus network of electric automobile, transfers to the center processing unit of vehicle monitor terminal then by serial peripheral interface SPI.Highly sensitive GPS whole world satellite receiver module LEA-4S receives, decomposes the GPS message of HA Global Positioning Satellite, and pass through the RS-232 universal serial bus with the center processing unit of message transmissions to vehicle monitor terminal, center processing unit just can obtain the operational factors such as run location, travelling speed and traffic direction of electric automobile, realizes the real time location tracking to electric automobile.The center processing unit of vehicle monitor terminal carries out the accurate distance travelled that electric automobile is obtained in integral operation to the travelling speed of electric automobile.
The center processing unit of vehicle monitor terminal shows the data that collect by the LCD LCD MODULE selectively in real time.The user can realize mutual with vehicle monitor terminal by touch screen module, as parameter that need to select to show, select CAN bus network transfer rate etc.
The center processing unit of vehicle monitor terminal according to the processing of packing of data designated form, deposits the related data that collects in the high capacity MiniSD card of vehicle monitor terminal in.
The software of vehicle monitor terminal adopts Nucleus PLUS embedded OS.Nucleus PLUS embedded OS is the formula multi-task operating system kernel of trying to be the first that designs for real-time embedded application, and its code of 95% is write with ANSIC, therefore is convenient to transplant and can supports the processor of most of types.Nucleus PLUS adopts the method for component software.Each assembly has single and clear and definite purpose, is made of several C and assembly language module usually, and external interface clearly is provided, and quoting by these interfaces of assembly finished.Except a few special, do not allow to conduct interviews from the outside to the overall situation in the assembly.Owing to adopted the method for component software, each assembly of Nucleus PLUS is easy to replace and is multiplexing.The assembly of Nucleus PLUS comprises synchronous and mutual exclusion, interrupt management, timer and the I/O driving etc. of task control, memory management, intertask communication and task.
In the software development of vehicle monitor terminal, follow idea of modular, whole monitoring software is decomposed into the experimental process module, as GPS locating module, CAN bus module, MiniSD card memory module etc.Simultaneously, also adopt programming techniques such as multithreading, state machine.
The RST reseting signal line of embedded controller S3C2440A-40-YQ80 links to each other with the reseting signal line of other all modules, to realize correct control and the rational management of controller to all modules.
All key signals of monitor terminal all carry out strict isometric control and the impedance matching of 50 Ω, guarantee that monitor terminal can steady operation under comparatively complicated vehicle environment.
Claims (8)
1. vehicle monitor terminal, it is characterized in that comprising embedded controller (1), SDRAM Synchronous Dynamic Random Access Memory (2), FLASH storer (3), power management module (4), Clock management module (5), supervisory circuit (6), CAN bus module (7), GPS locating module (8), LCD LCD MODULE (9), touch screen module (10) and MiniSD card data memory module (11), described embedded controller (1) respectively with SDRAM Synchronous Dynamic Random Access Memory (2), FLASH storer (3), Clock management module (5), supervisory circuit (6), CAN bus module (7), GPS locating module (8), LCD LCD MODULE (9), touch screen module (10) and MiniSD card data memory module (11) are connected, and embedded controller (1) is connected with vehicle power by power management module (4).
2. vehicle monitor terminal according to claim 1, it is characterized in that: described CAN bus module (7) is connected with embedded controller (1) by the SPI interface, described GPS locating module (8) is connected with embedded controller (1) by serial ports, described LCD LCD MODULE (9) is connected with embedded controller (1) by the LCD interface, described touch screen module (10) is connected with embedded controller (1) by touch screen interface, and described MiniSD card data memory module (11) is connected with embedded controller (1) by SDIO.
3. vehicle monitor terminal according to claim 1, it is characterized in that: described power management module (4) comprises DC-DC converter and the LDO conversion chip that is used for carrying to embedded controller different voltages, and each LDO conversion chip all is connected with the DC-DC converter.
4. vehicle monitor terminal according to claim 1 and 2, it is characterized in that: described CAN bus interface module (7) comprises CAN Bus Interface Chip, photoelectrical coupler and CAN bus controller, photoelectrical coupler is connected with the CAN bus controller with the CAN Bus Interface Chip respectively, the external crystal oscillator of CAN bus controller.
5. vehicle monitor terminal according to claim 1 and 2 is characterized in that: described GPS locating module (8) connects a standby power supply.
6. vehicle monitor terminal according to claim 1 and 2 is characterized in that: described LCD LCD MODULE (9) comprises buffer memory driving circuit, LCD and Boost transducer, and the buffer memory driving circuit all is connected with LCD with the Boost transducer.
7. vehicle monitor terminal according to claim 1 and 2 is characterized in that: described MiniSD memory module (11) is made of MiniSD card and MOSFET circuit, and the MiniSD card is connected with the MOSFET circuit.
8. vehicle monitor terminal according to claim 7 is characterized in that: described MOSFET circuit is selected grooved field-effect tube for use.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009201062160U CN201364494Y (en) | 2009-03-17 | 2009-03-17 | On-vehicle monitoring terminal |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009201062160U CN201364494Y (en) | 2009-03-17 | 2009-03-17 | On-vehicle monitoring terminal |
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| CN201364494Y true CN201364494Y (en) | 2009-12-16 |
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| CNU2009201062160U Expired - Lifetime CN201364494Y (en) | 2009-03-17 | 2009-03-17 | On-vehicle monitoring terminal |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102354197A (en) * | 2011-09-20 | 2012-02-15 | 大连理工大学 | Electromobile data acquisition and management system based on visual instrument |
| CN103434417A (en) * | 2013-08-08 | 2013-12-11 | 广西电网公司电力科学研究院 | Vehicle-mounted intelligent terminal device of electric vehicle |
| CN103481841A (en) * | 2013-09-05 | 2014-01-01 | 厦门雅迅网络股份有限公司 | Energy saving control method for vehicular system |
| CN103645708A (en) * | 2013-12-06 | 2014-03-19 | 北京科技大学 | Mining vehicle running state signal collection device |
| CN103684149A (en) * | 2012-09-26 | 2014-03-26 | 松下电器产业株式会社 | Driving control circuit and power tool |
| CN104369703A (en) * | 2014-11-06 | 2015-02-25 | 合肥工业大学 | Bus traveling comfort level monitoring system based on bus vibration |
| CN105242612A (en) * | 2015-11-05 | 2016-01-13 | 中国船舶重工集团公司第七一六研究所 | Vehicle-mounted display terminal with real-time data storage function and method thereof |
| CN108614500A (en) * | 2018-06-22 | 2018-10-02 | 北京科东电力控制系统有限责任公司 | Electric vehicle monitoring device and electric vehicle |
-
2009
- 2009-03-17 CN CNU2009201062160U patent/CN201364494Y/en not_active Expired - Lifetime
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102354197A (en) * | 2011-09-20 | 2012-02-15 | 大连理工大学 | Electromobile data acquisition and management system based on visual instrument |
| CN102354197B (en) * | 2011-09-20 | 2013-06-19 | 大连理工大学 | Electromobile data acquisition and management system based on visual instrument |
| CN103684149A (en) * | 2012-09-26 | 2014-03-26 | 松下电器产业株式会社 | Driving control circuit and power tool |
| CN103434417A (en) * | 2013-08-08 | 2013-12-11 | 广西电网公司电力科学研究院 | Vehicle-mounted intelligent terminal device of electric vehicle |
| CN103434417B (en) * | 2013-08-08 | 2015-11-18 | 广西电网公司电力科学研究院 | The vehicle-mounted intelligent end device of a kind of electronlmobil |
| CN103481841A (en) * | 2013-09-05 | 2014-01-01 | 厦门雅迅网络股份有限公司 | Energy saving control method for vehicular system |
| CN103481841B (en) * | 2013-09-05 | 2017-10-17 | 厦门雅迅网络股份有限公司 | The energy-saving control method of onboard system |
| CN103645708A (en) * | 2013-12-06 | 2014-03-19 | 北京科技大学 | Mining vehicle running state signal collection device |
| CN104369703A (en) * | 2014-11-06 | 2015-02-25 | 合肥工业大学 | Bus traveling comfort level monitoring system based on bus vibration |
| CN105242612A (en) * | 2015-11-05 | 2016-01-13 | 中国船舶重工集团公司第七一六研究所 | Vehicle-mounted display terminal with real-time data storage function and method thereof |
| CN108614500A (en) * | 2018-06-22 | 2018-10-02 | 北京科东电力控制系统有限责任公司 | Electric vehicle monitoring device and electric vehicle |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: CHINA ELECTRIC POWER RESEARCH INSTITUTE Effective date: 20140307 Owner name: STATE GRID CORPORATION OF CHINA Free format text: FORMER OWNER: CHINA ELECTRIC POWER RESEARCH INSTITUTE Effective date: 20140307 |
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| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 100192 HAIDIAN, BEIJING TO: 100031 XICHENG, BEIJING |
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| TR01 | Transfer of patent right |
Effective date of registration: 20140307 Address after: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing Patentee after: State Grid Corporation of China Patentee after: China Electric Power Research Institute Address before: 100192 Beijing city Haidian District Qinghe small Camp Road No. 15 China Electric Power Research Institute of the Ministry of science and technology Patentee before: China Electric Power Research Institute |
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| TR01 | Transfer of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20091216 |
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| CX01 | Expiry of patent term |