CN104283936A - Terminal system for remote monitoring of electric car - Google Patents
Terminal system for remote monitoring of electric car Download PDFInfo
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- CN104283936A CN104283936A CN201310302514.8A CN201310302514A CN104283936A CN 104283936 A CN104283936 A CN 104283936A CN 201310302514 A CN201310302514 A CN 201310302514A CN 104283936 A CN104283936 A CN 104283936A
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02B90/20—Smart grids as enabling technology in buildings sector
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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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/124—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wired telecommunication networks or data transmission busses
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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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/126—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wireless data transmission
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses a terminal system for remote monitoring of an electric car. The terminal system is composed of a power supply processing unit, a wired communication unit, a wireless communication unit, a data storage unit, an intelligent automatic computer detection and maintenance unit and a main control chip monitoring unit. The terminal system can monitor a power battery in real time and transmits key data to a related server. Therefore, a special circuit design and software design idea is adopted for the terminal system, and the intelligent system which is stable and efficient is obtained.
Description
Technical field
the present invention relates to electric automobile field, be specially a kind of terminal system of electric automobile remote monitoring.
Background technology
Energy issue of world has become the key issue of restriction human social, and the destruction of the environment and ecology caused in energy production and consumption process, causes the society and humane disaster that cannot estimate.Therefore, 21 century new forms of energy development and utilization, be no longer the topic in a future.Scientist and economist all think that two hang-ups facing most critical are energy shortage and environmental pollution by this century.
When the non-renewable energy resources such as electric power, coal, oil signal for help repeatedly, when energy problem becomes the bottleneck of restriction international community economic development day by day, increasing country starts " new the power "-regenerative resource of seeking economic development." People's Republic of China's Renewable Energy Law " is promulgated, formally will implement on January 1st, 2006; Everything all indicates the epoch of the scientific and technological progress of new forms of energy, new material and the extensive industrialization of technological achievement at hand.
Data analysis display, China's automobile industry to the consumption of oil up to more than 1/3 of total flow.Calculate thus, at 20 years of future, automobile industry will become the maximum consuming division of oil, and after 30 years, automobile industry will reach more than 80% of total flow to the consumption of oil.
Because the factors such as energy-conserving and environment-protective restrict China must develop new forms of energy at present, but be first ferric phosphate lithium cell group at new forms of energy industry electric automobile, its fail safe and cycle life ensure that its service condition and scope.Therefore lithium battery pack management system becomes the focus of ferric phosphate lithium cell group in electric automobile sector application, but the how stable operation of lithium battery group, how failure rate is reduced to lower, how before fault occurs early warning this be need people to be a problem of judgement, only cannot realize with current lithium battery pack management system, need human intervention to go to analyze lithium battery group realtime running data, real-time status etc. are to reach fault pre-alarming effect.But; current management system on the market all cannot accomplish warning function; conventional lithium battery group only can be protected battery pack when fault occurs; or before fault occurs, record is carried out to data; this needs our engineer to detect lithium battery pack management system instantaneous operating conditions in real time, which results in a large amount of consumption of manpower and materials.
Summary of the invention
The object of this invention is to provide a kind of terminal system of electric automobile remote monitoring, to solve prior art Problems existing.
In order to achieve the above object, the technical solution adopted in the present invention is:
The terminal system of electric automobile remote monitoring, it is characterized in that: the terminal and the computer intelligence Aulomatizeted Detect maintenance unit that include electronic electric automobile remote monitoring, they are connected by serial ports wire harness, use computer intelligence Aulomatizeted Detect to overhaul unit in production and debug process.Described terminal comprises power supply and wire communication part thereof and wireless communication section, and they are connected by the 4P wire harness of band shielding.Described power supply and wire communication part thereof comprise power supply processing unit, Landline communication unit.Described wireless communication section comprises wireless communication unit, data saving unit, main control chip monitoring unit.Terminal is in debug process, computer intelligence Aulomatizeted Detect maintenance unit is connected with line communication unit by serial ports wire harness, connect the transmission that wireless communication section carries out Debugging message again, outside 24 volts of power supplys connect power supply processing unit, the operating voltage of supply wireless communication section; In use, the information of batteries of electric automobile group connects Landline communication unit by CAN to terminal, then connecting wireless communication section, to carry out battery pack information mutual, and car load 24 power supply connects power supply processing unit, the operating voltage of supply wireless communication section.In electric automobile, the information transmission of battery pack is to the Landline communication unit in power supply and wire communication part thereof, wireless communication section is connected to by 4P data wire, in wireless communication section wireless communication unit by information transmission to the laggard row data mining of the webserver, in wireless communication section, data saving unit carries out this locality preservation of information simultaneously, and main control chip monitoring unit is the robustness that wireless communication section improves terminal.Described computer intelligence Aulomatizeted Detect maintenance unit is the part of terminal system production maintenance, and energy improve production efficiency and product quality is terminal system inalienable part.
The terminal system of described electric automobile remote monitoring, it is characterized in that: the wireless communication unit in described wireless communication section comprises 32 single-chip microcomputers, GPS module, GPRS module, lithium batteries, wherein GPS, GPRS access 32 single-chip microcomputers respectively, intermodular data communication and protocol conversion is carried out by 32 single-chip microcomputers, lithium battery is by power supply wire harness automatic charging function in 4P wire harness, and lithium battery supplies power to 32 single-chip microcomputers, GPS module, GPRS module respectively.Communication wire harness in 4P wire harness connects 32 single-chip microcomputers, and in conjunction with the data of GPS module, carries out data processing, the information after process is wirelessly transmitted in server by GPRS module.
The terminal system of described electric automobile remote monitoring; it is characterized in that: in described power supply and wire communication part thereof, power supply processing unit adopts the input of the Width funtion of 9 volts to 36 volts; and do not affect output performance; use special voltage input polarity, under-voltage, overvoltage crowbar and electronic filtering; use ripe EMI and overcurrent protection measure; rear class access DC/DC isolation module, is designed to the special processing unit of power supply.
The terminal system of described electric automobile remote monitoring, it is characterized in that: the data saving unit in described wireless communication section has used a batch data to carry out the preservation of three parts of different physical addresss, a as original preservation, a as backup preservation, a thinking of preserving as verification, and carry out directory management; When use and refresh memory, after first carrying out three parts of Data Comparison algorithms, determine whether data are changed and carried out data and again refresh preservation, then read data analysis; Simultaneously in dynamic data storage, owing to storing the difference of data and data processing time, can cause running not smooth problem, open 2 pieces of dynamic areas, A block carries out just preserving in data, and B block carries out data processing, after data processing, carry out data processing to A block memory block, data preservation is carried out in B block memory block simultaneously, makes the operation of system high efficiency rate like this.Use the SPI interface memory chip of MX25L1608 to realize data hold function, use the backup of software simulating related data.
The terminal system of described electric automobile remote monitoring, it is characterized in that: in described power supply and wire communication part thereof, Landline communication unit has serial ports and CAN, simply be connected with Landline communication unit to make the communicating portion of system, the mentality of designing that the bus system of use is multiplexing, in wireless communication section office, electronic switch is used respectively 232 interfaces and the timesharing of CAN interface to be shared a circuit-switched data line, simultaneously at Landline communication unit place, carry out the process into having more, access CAN isolated part and 232 interface buffer circuits respectively, also the connection of other interface chips can be carried out according to actual operation requirements, cross agreement and carry out distinguishing interface type.
The terminal system of described electric automobile remote monitoring, it is characterized in that: in described wireless communication section, main control chip monitoring unit uses 2 grades to monitor thinking, hardware watchdog mainly monitors 32 single-chip microcomputers and programmable monitoring chip, the fluctuation of power supply is monitored simultaneously, programmable monitoring chip mainly monitors GPRS module state and 32 single-chip microcomputer states, 2 grades of monitoring system design, system works is made to have better stability, to abnormality processing reaction flexibly, hardware guarantee is provided to the remote upgrade of system simultaneously.
The terminal system of described electric automobile remote monitoring, it is characterized in that: after described computer intelligence Aulomatizeted Detect maintenance unit carries out special maintenance Algorithm Analysis to terminal, data are connected to serial ports of computers by serial port data line, practical function is carried out in conjunction with computer intelligence software, intelligent software saves crucial detection and system configuration step and common overhaul plan way, operator, can fast detecting and simply carry out maintenance terminal equipment according to the prompting work of intelligent software.
The present invention, by gathering batteries of electric automobile group management system, car load relevant information, is sent to monitoring central server by GPRS wireless network after treatment, is completed information storage and display by monitoring central server, is reported to the police.Acquisition terminal carries out fail-safe analysis to lithium battery group information, whole vehicle information, and analysis result comprises the content such as early warning information, fault alarm information.Wherein, may operations risks be there is in early warning information by system manager's lithium battery group of GPRS wireless network announcement or car load, notify by the means such as phone, note the fault message that electric automobile user may exist by system manager, and inform which kind of user should make and judge or decision-making, to ensure the normal operation of vehicle.
Terminal system of the present invention achieves the real-time monitoring to electrokinetic cell, in the associated server transmit critical data.Therefore terminal system adopts special circuit design and ideas on software design, realizes stable, efficient intelligent system.
Advantage of the present invention is:
1, terminal wireless communication part of the present invention makes undersized structure, and main chip, module and antenna concentrate in together, the new approaches that complete machine only has one group of 4P wire harness to draw.Realize miniaturized, hiddenization is installed.Avoid installing space in the past limited, the problems such as complex circuit.Add the functions such as power alarm simultaneously.There is very strong practical design.
2, power supply of the present invention and wire communication part thereof and wireless communication section use stability and the communication accuracy of complicated circuit realiration system.Improve entire system antijamming capability.Power supply processing unit mainly employs has stepless property input characteristics, self-recoverage overcurrent, and overvoltage, under-voltage protection, employs the technology such as electronic filtering simultaneously.Landline communication unit has used bus-sharing function, specifically employs the technology that electronics switches bus circuit and the driving of bus multichannel.
3, the new algorithm that data of the present invention are preserved and main control chip monitoring uses.Preserve in data, maintenance data many places are preserved, and the thinking repeatedly verified, realizes data content and preserve accurately and transmit.Strangely in dynamic memory use seesaw principle, data to have been preserved and data processing carries out rational time devided modulation.Main control chip monitor portion has used the interaction concept of 2 grades of monitoring steps, realizes the mutual checking of abnormality processing, can judge immediately, process exception further to systems soft ware exception and hardware anomalies.Which use programmable monitoring chip to compare and have innovation, the hardware anomalies being difficult to meet (such as GPRS hardware, hardware watchdog is abnormal) is carried out judging then to process.Use above technology, substantially realize the work that terminal 7*24 is stable.
4, computer intelligence Aulomatizeted Detect maintenance unit of the present invention compares practicality and novelty.In production and field adjustable electric-vehicle remote monitoring system terminal procedures, each performance parameter of sense terminals is cumbersome and time taking.Perhaps certain project undetected, examination criteria changes because of people, and discovery situation but cannot to process etc. problem and occur, all will reduce the quality of product.But the difference of the detection ordering of terminal own, its production efficiency is also different.Based on above problem, in conjunction with producing and the feature of field adjustable, design the computer software carrying out with terminal communicating.Testing process is carried out automatic business processing, line correlation testing result of going forward side by side display and question processing method.Avoid above problem repeatedly to occur.Maximum novelty is, intelligent software saves crucial detecting step and common overhaul plan way.After terminal goes wrong, connect computer intelligence Aulomatizeted Detect maintenance software, operator, can fast detecting and simply carry out maintenance terminal equipment according to the prompting work of intelligent software.Reduce the maintenance cost of terminal.
Accompanying drawing explanation
Fig. 1 is wireless communication section sketch of the present invention.
Fig. 2 is wireless communication unit circuit theory diagrams in wireless communication section of the present invention, wherein:
Fig. 2 a is singlechip control chip circuit theory diagrams; Fig. 2 b is GPRS module circuit theory diagrams;
Fig. 2 c is GPS module circuit theory diagrams; Fig. 2 d is storage area circuit theory diagrams;
Fig. 2 e power unit circuit theory diagrams; Fig. 2 f is house dog partial circuit schematic diagram;
Fig. 2 g is communications portion circuit theory diagrams.
Fig. 3 is main control chip monitoring unit structure diagram and software flow pattern in wireless communication section of the present invention.
Fig. 4 is main control chip monitoring unit schematic diagram in wireless communication section of the present invention.
Fig. 5 is that the amount of physical memory of data saving unit in wireless communication section of the present invention distributes, algorithm and software flow pattern.
Fig. 6 is the hardware elementary diagram of data saving unit in wireless communication section of the present invention.
Fig. 7 is power supply of the present invention and wire communication part sketch thereof.
Fig. 8 is power supply processing unit schematic diagram in power supply of the present invention and wire communication part thereof.
Fig. 9 is Landline communication unit schematic diagram in power supply of the present invention and wire communication part thereof.
Figure 10 is computer intelligence Aulomatizeted Detect of the present invention maintenance unit each several part connection layout.
Figure 11 is computer intelligence Aulomatizeted Detect of the present invention maintenance cell data process chart.
Figure 12 is computer intelligence Aulomatizeted Detect of the present invention maintenance unit prompting operational flowchart.
Figure 13 is computer intelligence Aulomatizeted Detect of the present invention maintenance unit customer interaction surface chart.
Figure 14 is computer intelligence Aulomatizeted Detect of the present invention maintenance unit prompting operational block diagram.
Figure 15 is that terminal system of the present invention is always schemed.
Embodiment
According to the terminal system block diagram of Figure 15 electric automobile remote monitoring, include terminal (hereinafter referred to as terminal) and the computer intelligence Aulomatizeted Detect maintenance unit of electronic electric automobile remote monitoring, they are connected by serial ports wire harness, use computer intelligence Aulomatizeted Detect to overhaul unit in production and debug process.Described terminal comprises power supply and wire communication part thereof and wireless communication section, and they are connected by the 4P wire harness of band shielding.Described power supply and wire communication part thereof comprise power supply processing unit, Landline communication unit.Described wireless communication section comprises wireless communication unit, data saving unit, main control chip monitoring unit.Terminal is in debug process, computer intelligence Aulomatizeted Detect maintenance unit is connected with line communication unit by serial ports wire harness, connect the transmission that wireless communication section carries out Debugging message again, outside 24 volts of power supplys connect power supply processing unit, the operating voltage of supply wireless communication section; In use, the information of batteries of electric automobile group connects Landline communication unit by CAN to terminal, then connecting wireless communication section, to carry out battery pack information mutual, and car load 24 power supply connects power supply processing unit, the operating voltage of supply wireless communication section.In electric automobile, the information transmission of battery pack is to the Landline communication unit in power supply and wire communication part thereof, wireless communication section is connected to by 4P data wire, in wireless communication section wireless communication unit by information transmission to the laggard row data mining of the webserver, in wireless communication section, data saving unit carries out this locality preservation of information simultaneously, and main control chip monitoring unit is that wireless communication section improves robust performance.Described computer intelligence Aulomatizeted Detect maintenance unit is the part of terminal system production maintenance, and energy improve production efficiency and product quality is terminal system inalienable part.
Wireless communication unit according to Fig. 1, Fig. 2 terminal illustrates, it is characterized in that: the wireless communication unit in described wireless communication section comprises 32 single-chip microcomputers, GPS module, GPRS module, lithium batteries, wherein GPS, GPRS access 32 single-chip microcomputers respectively, intermodular data communication and protocol conversion is carried out by 32 single-chip microcomputers, lithium battery is by power supply wire harness automatic charging function in 4P wire harness, and lithium battery supplies power to 32 single-chip microcomputers, GPS module, GPRS module respectively.Communication wire harness in 4P wire harness connects 32 single-chip microcomputers, and in conjunction with the data of GPS module, carries out data processing, the information after process is wirelessly transmitted in server by GPRS module.
Main control chip monitoring unit according to Fig. 3, Fig. 4 terminal illustrates, it is characterized in that: in described wireless communication section, main control chip monitoring unit uses 2 grades to monitor thinking, hardware watchdog mainly monitors 32 single-chip microcomputers and programmable monitoring chip, the fluctuation of power supply is monitored simultaneously, programmable monitoring chip mainly monitors GPRS module state, GPS module state and 32 single-chip microcomputer states, 2 grades of monitoring system design, system works is made to have better stability, to abnormality processing reaction flexibly, hardware guarantee is provided to the remote upgrade of system simultaneously.
Data saving unit according to Fig. 5, Fig. 6 terminal illustrates, it is characterized in that: the data saving unit in described wireless communication section has used a batch data to carry out the preservation of three parts of different physical addresss, a as original preservation, a as backup preservation, a thinking of preserving as verification, and carry out directory management; When use and refresh memory, after first carrying out three parts of Data Comparison algorithms, determine whether data are changed and carried out data and again refresh preservation, then read data analysis; Simultaneously in dynamic data storage, owing to storing the difference of data and data processing time, can cause running not smooth problem, open 2 pieces of dynamic areas, A block carries out just preserving in data, and B block carries out data processing, after data processing, carry out data processing to A block memory block, data preservation is carried out in B block memory block simultaneously, makes the operation of system high efficiency rate like this.Use the SPI interface memory chip of MX25L1608 to realize data hold function, use the backup of software simulating related data.
According to power supply and the wire communication part diagram thereof of Fig. 7, Fig. 8, Fig. 9 terminal.Power supply processing unit schematic diagram in Fig. 8 power supply and wire communication part thereof; it is characterized in that: in described power supply and wire communication part thereof, power supply processing unit adopts the input of the Width funtion of 9 volts to 36 volts; and do not affect output performance; use special voltage input polarity, under-voltage, overvoltage crowbar and electronic filtering; use ripe EMI and overcurrent protection measure; rear class access DC/DC isolation module, is designed to the special processing unit of power supply.Landline communication unit schematic diagram in Fig. 9 power supply and wire communication part thereof, it is characterized in that: in described power supply and wire communication part thereof, Landline communication unit has serial ports and CAN, simply be connected with Landline communication unit to make the communicating portion of system, the mentality of designing that the bus system of use is multiplexing, in wireless communication section office, electronic switch is used respectively 232 interfaces and the timesharing of CAN interface to be shared a circuit-switched data line, simultaneously at Landline communication unit place, carry out the process into having more, access CAN isolated part and 232 interface buffer circuits respectively, also the connection of other interface chips can be carried out according to actual operation requirements, cross agreement and carry out distinguishing interface type.
According to Figure 10, Figure 11, Figure 12, Figure 13, Figure 14 computer intelligence Aulomatizeted Detect maintenance unit diagram, it is characterized in that: in production and field adjustable electric-vehicle remote monitoring system terminal procedures, each performance parameter of sense terminals is cumbersome and time taking.Perhaps certain project undetected, examination criteria changes because of people, and discovery situation but cannot to process etc. problem and occur, all will reduce the quality of product.But the difference of the detection ordering of terminal own, its production efficiency is also different.Based on above problem, in conjunction with producing and the feature of field adjustable, design the computer software carrying out with terminal communicating.Testing process is carried out automatic business processing, line correlation testing result of going forward side by side display and question processing method.Avoid above problem repeatedly to occur.Maximum novelty is, intelligent software saves crucial detecting step and common overhaul plan way.After terminal goes wrong, connect computer intelligence Aulomatizeted Detect maintenance software, operator, can fast detecting and simply carry out maintenance terminal equipment according to the prompting work of intelligent software.Reduce the maintenance cost of terminal.Figure 10 computer intelligence Aulomatizeted Detect maintenance unit each several part connects diagram, terminal is in debug process, computer intelligence Aulomatizeted Detect maintenance unit is connected with line communication unit by serial ports wire harness, connect the transmission that wireless communication section carries out Debugging message again, outside 24 volts of power supplys connect power supply processing unit, the operating voltage of supply wireless communication section.
The concrete detailed introduction using operation:
Hardware profiles:
Be divided into terminal wireless communication part and power supply and wire communication part thereof.
Terminal wireless communication part:
Miniaturization structure, surface structure size is at 65mm*45mm*20mm.The detection maintenance software analysis based on computer automation and configuration must be carried out, the IP of main configuration device, the information such as ID before installation.By GPS, GPRS antenna is integrated in this structure, overall brief, easy for installation.Built-in lithium battery, can process the exception of the unexpected power-off of electric automobile.The bundle of outputs only has one group of 4 line.Shell has bi-colour light, carries out system mode display.Employ 2 grades of monitoring thinkings.Hardware watchdog mainly monitors main control singlechip and monitoring chip, monitors the fluctuation of power supply simultaneously.Programmable monitoring chip mainly monitors GPRS module state and main control singlechip.2 grades of monitoring system design, make system works have better stability, to abnormality processing reaction flexibly, provide hardware guarantee to the remote upgrade of system simultaneously.Mass storage and seesaw scheduling algorithm, optimize data and preserve, improve Information Security.
Power supply and wire communication part thereof:
Shell uses aluminium alloy, light resistance to compression.Power power-supply part and data communication part carry out physical isolation, and employ the electrical isolation of modular, light-coupled isolation and CAN isolation design thinking.Totally improve the antijamming capability of system.The communication interface exported can customize, and now uses serial interface and CAN interface, can meet the use of the electric automobile of the overwhelming majority.Power unit can make the input of the Width funtion of 9 volts to 36 volts and not affect output performance; use special voltage input polarity, under-voltage, overvoltage crowbar and electronic filtering; use the safeguard measures such as ripe EMI and overcurrent, and at rear class access DC/DC isolation module.Communication part employs the mentality of designing of multiple interfaces shared bus, distinguishes which kind of interface and uses, the Bus isolation module equally also used according to agreement.
System Utilization Procedure:
After the bare board of the wireless communication section of terminal is produced, first scm software burning is carried out, then detection maintenance software analysis and the configuration of computer automation is carried out, detect qualified terminal, be configured relevant parameter according to electric automobile feature simultaneously, finally consign to installation personnel and use.Whether the power unit of terminal only need debug output voltage qualified, and whether communication line is unimpeded.
The radio communication of terminal and power unit enter installation steps after debugging.Because the wireless communication section size of terminal is smaller, is arranged on the places such as electric automobile windshield, the position in sky can be seen, be fixed.The best concealed wire cabling of wire harness, generally leads to below instrument desk.Power unit one end connects the wire harness from wireless communication section, one end connecting electric automobile 24 volts of power supplys and battery pack communication wire harness.Terminal system just can normally work, and associated batteries information is transferred in associated server by GPRS network.
Claims (7)
1. the terminal system of electric automobile remote monitoring, it is characterized in that: the terminal and the computer intelligence Aulomatizeted Detect maintenance unit that include electronic electric automobile remote monitoring, they are connected by serial ports wire harness, use computer intelligence Aulomatizeted Detect to overhaul unit in production and debug process; Described terminal comprises power supply and wire communication part thereof and wireless communication section, and they are connected by the 4P wire harness of band shielding; Described power supply and wire communication part thereof comprise power supply processing unit, Landline communication unit; Described wireless communication section comprises wireless communication unit, data saving unit, main control chip monitoring unit; Terminal is in debug process, computer intelligence Aulomatizeted Detect maintenance unit is connected with line communication unit by serial ports wire harness, connect the transmission that wireless communication section carries out Debugging message again, outside 24 volts of power supplys connect power supply processing unit, the operating voltage of supply wireless communication section; In use, the information of batteries of electric automobile group connects Landline communication unit by CAN to terminal, then connecting wireless communication section, to carry out battery pack information mutual, and car load 24 power supply connects power supply processing unit, the operating voltage of supply wireless communication section; In electric automobile, the information transmission of battery pack is to the Landline communication unit in power supply and wire communication part thereof, wireless communication section is connected to by 4P data wire, in wireless communication section wireless communication unit by information transmission to the laggard row data mining of the webserver, in wireless communication section, data saving unit carries out this locality preservation of information simultaneously, and main control chip monitoring unit is the robustness that wireless communication section improves terminal; Described computer intelligence Aulomatizeted Detect maintenance unit is the part of terminal system production maintenance, and energy improve production efficiency and product quality is terminal system inalienable part.
2. the terminal system of electric automobile remote monitoring according to claim 1, it is characterized in that: the wireless communication unit in described wireless communication section comprises 32 single-chip microcomputers, GPS module, GPRS module, lithium batteries, wherein GPS, GPRS access 32 single-chip microcomputers respectively, intermodular data communication and protocol conversion is carried out by 32 single-chip microcomputers, lithium battery is by power supply wire harness automatic charging function in 4P wire harness, and lithium battery supplies power to 32 single-chip microcomputers, GPS module, GPRS module respectively; Communication wire harness in 4P wire harness connects 32 single-chip microcomputers, and in conjunction with the data of GPS module, carries out data processing, the information after process is wirelessly transmitted in server by GPRS module.
3. the terminal system of electric automobile remote monitoring according to claim 1; it is characterized in that: in described power supply and wire communication part thereof, power supply processing unit adopts the input of the Width funtion of 9 volts to 36 volts; and do not affect output performance; use special voltage input polarity, under-voltage, overvoltage crowbar and electronic filtering; use ripe EMI and overcurrent protection measure; rear class access DC/DC isolation module, is designed to the special processing unit of power supply.
4. the terminal system of electric automobile remote monitoring according to claim 1, it is characterized in that: the data saving unit in described wireless communication section has used a batch data to carry out the preservation of three parts of different physical addresss, a as original preservation, a as backup preservation, a thinking of preserving as verification, and carry out directory management; When use and refresh memory, after first carrying out three parts of Data Comparison algorithms, determine whether data are changed and carried out data and again refresh preservation, then read data analysis; Simultaneously in dynamic data storage, owing to storing the difference of data and data processing time, can cause running not smooth problem, open 2 pieces of dynamic areas, A block carries out just preserving in data, and B block carries out data processing, after data processing, carry out data processing to A block memory block, data preservation is carried out in B block memory block simultaneously, makes the operation of system high efficiency rate like this; Use the SPI interface memory chip of MX25L1608 to realize data hold function, use the backup of software simulating related data.
5. the terminal system of electric automobile remote monitoring according to claim 1, it is characterized in that: in described power supply and wire communication part thereof, Landline communication unit has serial ports and CAN, simply be connected with Landline communication unit to make the communicating portion of system, the mentality of designing that the bus system of use is multiplexing, in wireless communication section office, electronic switch is used respectively 232 interfaces and the timesharing of CAN interface to be shared a circuit-switched data line, simultaneously at Landline communication unit place, carry out the process into having more, access CAN isolated part and 232 interface buffer circuits respectively, also the connection of other interface chips can be carried out according to actual operation requirements, cross agreement and carry out distinguishing interface type.
6. the terminal system of electric automobile remote monitoring according to claim 1, it is characterized in that: in described wireless communication section, main control chip monitoring unit uses 2 grades to monitor thinking, hardware watchdog mainly monitors 32 single-chip microcomputers and programmable monitoring chip, the fluctuation of power supply is monitored simultaneously, programmable monitoring chip mainly monitors GPRS module state and 32 single-chip microcomputer states, 2 grades of monitoring system design, system works is made to have better stability, to abnormality processing reaction flexibly, hardware guarantee is provided to the remote upgrade of system simultaneously.
7. the terminal system of electric automobile remote monitoring according to claim 1, it is characterized in that: after described computer intelligence Aulomatizeted Detect maintenance unit carries out special maintenance Algorithm Analysis to terminal, data are connected to serial ports of computers by serial port data line, practical function is carried out in conjunction with computer intelligence software, intelligent software saves crucial detection and system configuration step and common overhaul plan way, operator, can fast detecting and simply carry out maintenance terminal equipment according to the prompting work of intelligent software.
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Address after: 230011, No. 7 D Road, Yaohai Industrial Park, Hefei, Anhui, China Applicant after: Hefei Guoxuan High-Tech Power Energy Co., Ltd. Address before: 230011, No. 7 D Road, Yaohai Industrial Park, Hefei, Anhui, China Applicant before: Hefei Guoxuan High-Tech Power Energy Co., Ltd. |
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Application publication date: 20150114 |