CN103969528B - A kind of civil airport bridge carries equipment and APU carbon emission monitoring system - Google Patents
A kind of civil airport bridge carries equipment and APU carbon emission monitoring system Download PDFInfo
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- CN103969528B CN103969528B CN201410186770.XA CN201410186770A CN103969528B CN 103969528 B CN103969528 B CN 103969528B CN 201410186770 A CN201410186770 A CN 201410186770A CN 103969528 B CN103969528 B CN 103969528B
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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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
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Abstract
A kind of civil airport bridge carries equipment and APU carbon emission monitoring system.It includes that power monitoring system, embedded controller, gateway device, intranet security xegregating unit, equipment control and Internet access service device, visitor's bridge car data collecting device, visitor's bridge car data receive equipment and shelter bridge monitoring system；Power monitoring system carries equipment with bridge and is connected；Visitor's bridge car data collecting device is connected with visitor's bridge car；Visitor's bridge car data receives equipment and is connected with visitor's bridge car data collecting device；Shelter bridge monitoring system is connected with shelter bridge；Embedded controller and power monitoring system, visitor's bridge car data receive equipment and shelter bridge monitoring system is connected, and are connected by gateway device and intranet security xegregating unit and equipment control and Internet access service device simultaneously.The system of the present invention can calculate and show that on the nearly seat in the plane of civil airport and remote seat in the plane, bridge carries equipment and the carbon of aircraft APU and other pollutant discharge amounts in real time, is favorably improved airport low-carbon (LC) operation management, promotes that airport energy-saving and emission-reduction work is carried out.
Description
Technical field
The invention belongs to civil airport facility monitoring technical field, particularly relate to a kind of civilian
Airport bridge carries equipment and APU carbon emission monitoring system.
Background technology
Aircraft typically uses APU and provides electric energy and new wind for it when carrying out Ground Operation.
APU is the abbreviation of auxiliary power unit (Auxiliary Power Unit), and it is a kind of
Small-sized turbogenerator, serves mainly to facilitate and starts the sustainer of aircraft and start main
Electric power and air conditioning function are provided when office closes.Owing to needing fuel oil when APU operates, because of
This Financial cost is the highest, can discharge substantial amounts of carbon dioxide and other pollutant simultaneously.With
The propelling of China's Civil Aviation Industry energy-saving and emission-reduction work, in order to reduce the usage amount of fuel oil, reduce
Carbon and other pollutant emissions, reduce the operation cost of airline simultaneously, domestic increasingly
Many airports are being implemented bridge and are being carried the building-up work of equipment replacement APU.It is 400Hz that bridge carries equipment
Quiet variable power source and bridge carry the general designation of air-conditioning, can be coupled when cabin sidewall, replace
Electric energy and new wind is provided for aircraft for APU.Bridge carries the equipment installation form in different seats in the plane to be had
Institute's difference: in nearly seat in the plane, aircraft docks with shelter bridge after stopping, and bridge carries the usual carry of equipment and exists
Under shelter bridge or be arranged on the ground under shelter bridge；In remote seat in the plane, with visitor's bridge car after aircraft stop
Docking, bridge carries equipment and can be only installed on the ground or underground.Bridge carries equipment replacement APU substantially
It is to use electric energy to replace Fossil fuel, there is sizable energy-saving and emission-reduction prospect.Due to
It is at the early-stage that China's bridge carries equipment replacement APU work, therefore carries equipment for bridge and APU exists
In actual motion, carbon and other pollutant emissions also lack science and the monitoring become more meticulous, metering
And management, thus discharge capacity data accurately cannot be obtained.China is control carbon emission amount,
Advancing carbon emission Trading System, the carbon in current Beijing, Shanghai, Tianjin and Guangdong Province is handed over
Easily market has been started up, and increasing provinces and cities will be had future to open carbon transaction.In order to make machine
Bigger advantage can be striven in carbon power transaction in the future in field, APU and bridge is carried equipment and exists
Carbon in real work and other pollutant emissions are carried out in real time, monitor and metering are
The most necessary.
Chinese invention patent application the 201210085843.7th discloses a kind of civil airport
Ground power supply and air conditioning unit integration of services settlement system, this system possesses bridge load equipment
Power monitoring during use, user right identification, electricity Real-time Collection and service timing,
The functions such as expense calculating and equipment fault monitoring, and above-mentioned generated cost information can be sent out
Each client terminal given by cloth, is provided simultaneously with monitoring descending each embedded controller, power monitoring system
System duty function.
But said system does not possess the monitoring function to shelter bridge duty, it is impossible to enough calculating
The APU working time, bridge can not be calculated simultaneously and carry equipment and APU in use
Carbon and other pollutant discharge amounts.
Summary of the invention
In order to solve the problems referred to above, it is an object of the invention to provide a kind of civil airport bridge and carry
Equipment and APU carbon emission monitoring system.
In order to achieve the above object, the civil airport bridge that the present invention provides carries equipment and APU carbon
Emission monitoring system includes: power monitoring system, embedded controller, gateway device, interior
Net security isolation equipment, equipment control and Internet access service device, visitor's bridge car data gather
Equipment, visitor's bridge car data receive equipment and shelter bridge monitoring system；Wherein: power monitoring system
Directly carry the equipment side by isolation with the bridge being made up of the quiet variable power source of 400Hz and bridge load air-conditioning
Formula is connected, and carries the running voltage of equipment, electric current, power consumption and work shape for gathering bridge
State data；Visitor's bridge car data collecting device is connected by the way of isolation with visitor's bridge car, uses
In the duty of collection visitor's bridge car, and data above is wirelessly sent；Visitor's bridge
Car data receives equipment and is wirelessly connected with visitor's bridge car data collecting device, is used for connecing
Receive the operating state data of visitor's bridge car；Shelter bridge monitoring system is with shelter bridge by STD bus even
Connect, for gathering service data and the duty of shelter bridge；Embedded controller is with isolation
Mode receives equipment and shelter bridge monitoring system phase respectively with power monitoring system, visitor's bridge car data
Connect；Embedded controller is simultaneously by gateway device and intranet security xegregating unit and equipment
Management is connected with Internet access service device；Intranet security xegregating unit bridge joint airport produces
Intranet, produces real-time flight, type and the clock data in Intranet for receiving airport, uses
In Emission amount calculation and clock correction.
Described APU carbon emission monitoring system also includes display device, clock system and storage
System；Embedded controller is connected with display device, clock system and storage system respectively.
Described display device is LCD display.
Described power monitoring system, objective bridge car data collecting device, visitor's bridge car data receive
Equipment, shelter bridge monitoring system and embedded controller all use microcontroller, microprocessor,
FPGA or PLC is as core controller.
The civil airport bridge that the present invention provides carries the useful of equipment and APU carbon emission monitoring system
Effect is: electric energy conversion model and APU in native system discharge the domestic and international power of model reference
Prestige mechanism and the data of government department, result of calculation is accurate.It addition, mathematical model is by compiling
Cheng Shixian, can draw discharge capacity data in real time.Additionally, the invention provides complete hardware
Framework, it is ensured that the real-time of system Various types of data, accuracy, stability and easy access property.
Particularly native system meets " energy-saving and emission-reduction develop low-carbon economy " that country vigorously advocates
Strategy and policy, are favorably improved airport low-carbon (LC) operation management, depend on for the power transaction offer of airport carbon
According to, promote that airport energy-saving and emission-reduction work is carried out.
Accompanying drawing explanation
The civil airport bridge that Fig. 1 provides for the present invention carries equipment and APU carbon emission monitoring system
Composition frame chart.
Detailed description of the invention
The civil airport bridge provided the present invention with specific embodiment below in conjunction with the accompanying drawings carries and sets
Standby and APU carbon emission monitoring system is described in detail.
As it is shown in figure 1, the civil airport bridge that the present invention provides carries equipment and APU carbon emission prison
Examining system includes: power monitoring system 1, embedded controller 2, gateway device 6, Intranet
Security isolation equipment 7, equipment control and Internet access service device 8, visitor's bridge car data receive
Equipment 9, visitor's bridge car data collecting device 10 and shelter bridge monitoring system 12；Wherein: electric power is supervised
Examining system 1 directly carries with the bridge being made up of the quiet variable power source of 400Hz 15 and bridge load air-conditioning 14 and sets
Standby be connected by the way of isolation, for gather bridge carry the running voltage of equipment, electric current,
The data such as power consumption and duty；Visitor's bridge car data collecting device 10 leads to visitor's bridge car 11
The mode crossing isolation is connected, for gathering the duty of visitor's bridge car 11 (such as: pick flat
Platform height, elevator angle, mated condition etc.), and data above is wirelessly sent out
Send；Visitor's bridge car data receives equipment 9 with visitor's bridge car data collecting device 10 wirelessly
Connect, for receiving the operating state data of visitor's bridge car 11；Shelter bridge monitoring system 12 and corridor
Bridge 13 internal controller is connected by STD bus, for gathering the service data of shelter bridge 13
(such as: supply voltage, electric current, airplane jointing platform height, angle etc.) and duty (such as:
Release, withdrawal, shelter state etc.)；Embedded controller 2 is the control core of native system,
Its by isolation in the way of respectively with power monitoring system 1, visitor bridge car data receive equipment 9 and
Shelter bridge monitoring system 12 is connected, simultaneously by gateway device 6 and intranet security xegregating unit
7 and equipment control be connected with Internet access service device 8；Intranet security xegregating unit 7
Bridge joint airport produces Intranet 16, for receive airport produce the real-time flight in Intranet 16,
Type and clock data, for Emission amount calculation and clock correction.
Native system also includes display device 3, clock system 4 and storage system 5；Embedded control
Device 2 processed is connected with display device 3, clock system 4 and storage system 5 respectively；Described
Embedded controller 2 utilize power monitoring system 1, visitor bridge car data receive equipment 9, corridor
Bridge monitoring system 12 and clock system 4 produce data, storage the built-in resource of system 5 and
Real-time flight, type and the clock information that network receives, it is achieved that bridge is carried equipment and APU
There is provided service time discharged carbon dioxide, carbon monoxide, sulfur dioxide, nitrogen oxides and
The calculating of particulate matter, and in the data base of storage system 5, data stored and manage.
Described embedded controller 2 is simultaneously by gateway device 6 and equipment control and interconnection
Net access server 8 connects, and by this server, airport, client and administration section are permissible
Bridge is carried equipment and APU discharge capacity in use is inquired about；Meanwhile, ownership
The staff of limit also can pass through equipment control and Internet access service device 8 to electric power monitoring
System 1, embedded controller 2, storage system 5, visitor's bridge car data receive equipment 9, visitor
Bridge car 11, shelter bridge monitoring system 12, shelter bridge 13, bridge carry the quiet power transformation of air-conditioning 14 and 400Hz
The each equipment in source 15 is monitored, and revise as required the computation model in storage system 5,
The information such as type configuration APU model.
Described power monitoring system 1, visitor's bridge car data receive equipment 9, visitor's bridge car data
Collecting device 10, shelter bridge monitoring system 12 and embedded controller 2 all belong to control system,
There is strong and weak electricity isolated relation and upper the next logical relation, use microcontroller, microprocessor,
FPGA or PLC is as core controller.
Described electric power monitoring system 1 carries the use of equipment by voltameter and transformer metering bridge
Electricity；Carry equipment blocking by power electronic devices with bridge to be connected, obtain switching value；Pass through
STD bus obtains bridge and carries the duty of equipment；By STD bus to embedded controller
2 upload bridge carries power consumption and the operating state data of equipment.
Described shelter bridge monitoring system 12 obtains the service data of shelter bridge 13 by STD bus
And duty；Uploaded the operation number of shelter bridge 13 to embedded controller 2 by STD bus
According to and duty；Described shelter bridge monitoring system 12 only configures in nearly seat in the plane.
Described objective bridge car data collecting device 10 obtains visitor's bridge car 11 by STD bus
Operating state data；Receive equipment 9 by Zigbee wireless protocols to visitor's bridge car data to upload
The operating state data of visitor's bridge car 11；Each visitor's bridge car 11 is installed a set of visitor's bridge car data and is adopted
Collection equipment 10, and this equipment has unique identification code；
Described objective bridge car data receives equipment 9 and receives visitor's bridge by Zigbee wireless protocols
The operating state data of car 11；Visitor's bridge car is uploaded to embedded controller 2 by STD bus
Operating state data；Described objective bridge car data receives equipment 9 and only configures in remote seat in the plane,
The configuration of each remote seat in the plane is a set of, has unique identification code；
Described objective bridge car data collecting device 10 receives the logical of equipment 9 with visitor's bridge car data
News process is: after visitor's bridge car 11 enters certain remote seat in the plane, the objective bridge car data collection on car sets
Standby 10 receive equipment 9 to the objective bridge car data of this remote seat in the plane immediately sends claim frame, claim frame
Including the visitor identification code of bridge car data collecting device 10, current service seat in the plane, flight, type
Etc. information；After visitor's bridge car data reception equipment 9 receives claim frame, with seat in the plane, place, meter
Draw service flight, model information contrast, contrast errorless backward visitor's bridge car data collecting device 10
Send acknowledgement frame, otherwise send error message；Visitor's bridge car data collecting device 10 receives really
Constantly receive equipment 9 to visitor's bridge car data at a certain time interval after recognizing frame and send data
Frame, Frame includes the visitor identification code of bridge car data collecting device 10, date, time, visitor
Bridge car operating state data etc.；At the end of bridge car 11 of receiving guests service, visitor's bridge car data collection sets
Standby 10 send ending message to reception equipment 9.
The network interface of described embedded controller 2 passes through security isolation equipment 7 from airport
Produce Intranet 16 unidirectional real-time reception airport clock, flight and machine type data, up to equipment
Management and Internet access service device 8 send bridge carry equipment, visitor bridge car and shelter bridge service data,
Bridge carries equipment and APU discharge capacity data etc., descending from equipment control with Internet access service
Device 8 receives device management instruction.
Described storage system 5 supports the non-volatile memory medium such as hard disk, FLASH；Storage
System 5 built-in electric energy conversion model and APU discharge model, can be used for calculating bridge and carry equipment row
High-volume, APU discharge capacity carries equipment with bridge and discharges decrement, model parameter reference relative to APU
Country and the local Committee of Development and Reform, authority environmental protection institution, International Civil Aviation Organization and civil aviaton of country
The data that the authoritative departments such as office and tissue are announced；The built-in small-sized data of described storage system 5
Storehouse, is used for depositing bridge and carries equipment, visitor's bridge car 11 and shelter bridge 13 service data, discharge capacity number
According to etc., it is uploaded to equipment control and linking Internet clothes with timing or real-time mode by network
Business device 8；Storage system 5 the most also stores has various type to configure APU model data.
Described display device 3 can be LCD display, in real time display visitor bridge car 11,
Shelter bridge 13, bridge carry equipment and the working time of APU, duty, and bridge carries equipment and APU
Discharge capacity in the course of the work, and the bridge load equipment discharge decrement relative to APU.
Described embedded controller 2 calculates the method for APU and bridge load equipment task time and divides
It is two kinds of situations, for nearly seat in the plane: owing to aircraft APU and bridge in Ground Operation carry equipment
Must open one of them with ensure power supply, therefore when embedded controller 2 from shelter bridge monitoring system
After the shelter bridge duty that system 12 is uploaded knows that aircraft leans on bridge, if not from power monitoring system
1 obtains bridge carries the information that equipment starts to service, then it is assumed that APU works, and now calculates
The APU working time；Once obtain bridge from power monitoring system 1 and carry the letter that equipment starts to service
Breath, suspends and calculates the APU working time, starts to calculate bridge and carries equipment task time；If midway
Obtain bridge from power monitoring system 1 and carry the information that equipment stops servicing, then suspend calculating bridge and carry
Equipment task time, continues to calculate the APU working time；The rest may be inferred, until supervising from shelter bridge
Examining system 12 obtains shelter bridge revocation information, APU and bridge and carries equipment task time timing stopping；
For remote seat in the plane: upload when embedded controller 2 receives equipment 9 from visitor's bridge car data
Objective bridge car duty know docking aircraft after, if not obtaining from power monitoring system 1
Obtain bridge and carry the information that equipment starts to service, then it is assumed that APU works, and now calculates APU
Working time；Once obtain bridge from power monitoring system 1 and carry the information that equipment starts to service,
Suspend and calculate the APU working time, start to calculate bridge and carry equipment task time；If midway is from electricity
Power monitoring system 1 obtains bridge and carries the information that equipment stops servicing, then time-out calculates bridge and carries equipment
Working time, continue to calculate the APU working time；The rest may be inferred, until from visitor's bridge car data
Reception equipment 9 obtains visitor's bridge car revocation information, APU and bridge load equipment task time timing and stops
Only；
Described embedded controller 2 passes through intranet security xegregating unit 7 in airport produces
Net 16 receives real-time flight, model information and clock synchronization information, wherein clock synchronization information
Correcting for clock system, real-time flight and model information are used for inquiring about current flight type and join
The APU model put；
Described embedded controller 2 is according to the electric energy conversion model of storage in storage system 5
With above-mentioned power consumption data calculate use bridge carry equipment produce carbon dioxide, carbon monoxide,
The discharge capacity of sulfur dioxide, nitrogen oxides and particulate matter；The folding of described electric energy conversion model
Calculating coefficient can use country and the local Committee of Development and Reform and authority environmental protection institution to be announced
Data；
Described embedded controller 2 discharges model according to the APU of storage in storage system 5
With current service flight and model information, it is somebody's turn to do by the database lookup within storage system 5
The model of airplane configuration APU, calculates this model of use then according to the APU working time
Amount of fuel that APU is consumed and carbon dioxide, carbon monoxide, sulfur dioxide, nitrogen oxidation
Thing and the discharge capacity of particulate matter；The correlation coefficient of APU discharge model can use international civilian boat
The data that the authoritative institutions such as kenenchyma (ICAO) and civil aviation authority of country are announced；
Described embedded controller 2 carries equipment task time and current service type according to bridge
APU model, use APU discharge model calculate this model APU provide identical duration clothes
The amount of fuel consumed in the case of business and carbon dioxide, carbon monoxide, sulfur dioxide, nitrogen
Oxide and the discharge capacity of particulate matter, so combine electric energy conversion model calculate bridge carry equipment
Discharge capacity difference with APU；
In described storage system 2, the data of data base include service data and emissions data,
All reach equipment control and Internet access service device 8, equipment by Ethernet in form
Management and Internet access service device 8 can pass various control for 2 times to embedded controller orders
Order.
Described equipment control and Internet access service device 8 are built-in with network application layer journey
Sequence, this program is divided into three functional hierarchies: bottom is data base, and storage management is embedding from each
Enter objective bridge car, shelter bridge and the bridge that formula controller 2 receives carry equipment working state data and
Bridge carries equipment and APU discharge capacity data；Middle level is client-access access point, it is provided that discharge
Amount inquiry service, airport and administration section can connect equipment control by web browser software
With Internet access service device 8, after opening accession page, use the authority mode of account+password
Enter inquiry system；Upper strata is device configuration application program, and program uses gui interface, will
In underlying database, equipment working state, discharge capacity etc. show in a graphical form, empty
Intend the system working site of reality, simultaneously by pointing device icon and employing menu, dialogue
The means of man-machine such as frame assign control instruction to each equipment, and program can resolve to be clicked on and set
Standby physical address, is then issued to instruction in corresponding embedded controller 2 by network,
Complete host computer management function.
Claims (4)
1. civil airport bridge carries equipment and an APU carbon emission monitoring system, and its feature exists
In: it include power monitoring system (1), embedded controller (2), gateway device (6),
Intranet security xegregating unit (7), equipment control and Internet access service device (8), visitor
Bridge car data receives equipment (9), visitor's bridge car data collecting device (10) and shelter bridge monitoring
System (12)；Wherein: power monitoring system (1) directly with by the quiet variable power source of 400Hz (15)
The bridge constituted with bridge load air-conditioning (14) carries equipment and is connected by the way of isolation, is used for adopting
Ji Qiao carries the running voltage of equipment, electric current, power consumption and operating state data；Visitor's bridge car number
It is connected by the way of isolation with visitor's bridge car (11) according to collecting device (10), is used for adopting
The operating state data of set-off bridge car, and the operating state data of visitor's bridge car is passed through wireless parties
Formula sends；Visitor's bridge car data receives equipment (9) and visitor's bridge car data collecting device (10)
Wirelessly connect, for receiving the operating state data of visitor's bridge car；Shelter bridge monitoring is
System (12) is connected by STD bus with shelter bridge (13) internal controller, is used for gathering corridor
The service data of bridge (13) and duty；Embedded controller (2) is with the side of isolation
Formula receives equipment (9) and shelter bridge prison with power monitoring system (1), visitor's bridge car data respectively
Examining system (12) is connected；Embedded controller (2) is simultaneously by gateway device (6)
With intranet security xegregating unit (7) and equipment control and Internet access service device (8) phase
Connect；Intranet security xegregating unit (7) bridge joint airport produces Intranet (16), is used for connecing
Receive airport and produce real-time flight, type and the clock data in Intranet (16), be used for discharging
Amount calculates and clock correction.
Civil airport bridge the most according to claim 1 carries equipment and APU carbon emission monitoring
System, it is characterised in that: described civil airport bridge carries equipment and APU carbon emission monitoring system
System also includes display device (3), clock system (4) and storage system (5)；Embed
Formula controller (2) respectively with display device (3), clock system (4) and storage system
(5) it is connected.
Civil airport bridge the most according to claim 2 carries equipment and APU carbon emission monitoring
System, it is characterised in that: described display device (3) is LCD display.
Civil airport bridge the most according to claim 1 carries equipment and APU carbon emission monitoring
System, it is characterised in that: described power monitoring system (1), visitor's bridge car data receive
Equipment (9), visitor bridge car data collecting device (10), shelter bridge monitoring system (12) and
Embedded controller (2) all uses microcontroller, microprocessor, FPGA or PLC conduct
Core controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410186770.XA CN103969528B (en) | 2014-05-06 | 2014-05-06 | A kind of civil airport bridge carries equipment and APU carbon emission monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410186770.XA CN103969528B (en) | 2014-05-06 | 2014-05-06 | A kind of civil airport bridge carries equipment and APU carbon emission monitoring system |
Publications (2)
| Publication Number | Publication Date |
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| CN103969528A CN103969528A (en) | 2014-08-06 |
| CN103969528B true CN103969528B (en) | 2016-10-05 |
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| CN201410186770.XA Active CN103969528B (en) | 2014-05-06 | 2014-05-06 | A kind of civil airport bridge carries equipment and APU carbon emission monitoring system |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109887343B (en) * | 2019-04-04 | 2020-08-25 | 中国民航科学技术研究院 | Automatic acquisition and monitoring system and method for flight ground service support nodes |
| CN112967529B (en) * | 2021-02-26 | 2022-08-05 | 中国国际航空股份有限公司 | Early warning method, device and equipment for service time of APU (auxiliary Power Unit) and storage medium |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102320382A (en) * | 2011-07-07 | 2012-01-18 | 中国国际航空股份有限公司 | Aircraft performance detection method |
| CN102622829A (en) * | 2012-03-28 | 2012-08-01 | 中国民航大学 | Service integration settlement system for ground power supply and air conditioner set of civil airport |
| CN103576650A (en) * | 2013-10-30 | 2014-02-12 | 中国民航大学 | Operation security monitoring and managing system for airport ground equipment |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000020799A (en) * | 1998-06-30 | 2000-01-21 | Matsushita Electric Ind Co Ltd | Sales system of energy or the like |
| US7957861B2 (en) * | 2009-12-03 | 2011-06-07 | Wmdm Family Ltd. | Tracking emissions data |
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2014
- 2014-05-06 CN CN201410186770.XA patent/CN103969528B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102320382A (en) * | 2011-07-07 | 2012-01-18 | 中国国际航空股份有限公司 | Aircraft performance detection method |
| CN102622829A (en) * | 2012-03-28 | 2012-08-01 | 中国民航大学 | Service integration settlement system for ground power supply and air conditioner set of civil airport |
| CN103576650A (en) * | 2013-10-30 | 2014-02-12 | 中国民航大学 | Operation security monitoring and managing system for airport ground equipment |
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