CN107845249A - A kind of aircraft fluid wireless monitor system - Google Patents
A kind of aircraft fluid wireless monitor system Download PDFInfo
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- CN107845249A CN107845249A CN201711307935.4A CN201711307935A CN107845249A CN 107845249 A CN107845249 A CN 107845249A CN 201711307935 A CN201711307935 A CN 201711307935A CN 107845249 A CN107845249 A CN 107845249A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/26—Oils; viscous liquids; paints; inks
- G01N33/28—Oils, i.e. hydrocarbon liquids
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/26—Oils; viscous liquids; paints; inks
- G01N33/28—Oils, i.e. hydrocarbon liquids
- G01N33/2888—Lubricating oil characteristics, e.g. deterioration
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/26—Oils; viscous liquids; paints; inks
- G01N33/28—Oils, i.e. hydrocarbon liquids
- G01N33/30—Oils, i.e. hydrocarbon liquids for lubricating properties
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
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Abstract
The invention provides a kind of aircraft fluid wireless monitor system, including sensor node, leader cluster node and terminal node；Several described sensor nodes are respectively arranged on the oil circuits of significant points such as the engine of aircraft, undercarriage, flaperon, empennage, to monitor the hydraulic oil of aircraft and lubricating oil situation；Several described sensor nodes form Star Network cluster, and the leader cluster node is located at the center of the Star Network cluster；The terminal node is portable equipment, is carried with for testing staff.The present invention is combined using embedded oil analysis sensor and ZigBee wireless communication technologys, the on line real-time monitoring of aircraft fluid can be realized, and data can be sent out by way of radio communication, host computer is sent to by terminal node and carries out detailed fluid data analysis to obtain result, realizes the long-range monitoring of aircraft fluid.
Description
Technical field
The present invention relates to aviation measuring and controlling equipment technical field, more particularly to a kind of aircraft fluid wireless monitor system.
Background technology
The oil liquid monitoring of aircraft is to carry out total score to the lubricating oil and hydraulic oil of aircraft utilization using oil analyzing technology
Analysis, to obtain the service condition of the lubrication of aircraft engine and abrasion condition and hydraulic system, carrying out oil analysis can have
The service condition of the critical components such as engine, undercarriage, flaperon and the empennage of effect ground monitoring aircraft, checks and predicts aircraft
Failure, ensure the safety of aircraft.
Oil analyzing technology is also known as equipment attrition monitoring of working condition technology, is a kind of new plant maintenance technology, its profit
Judged with the equipment working condition information entrained by fluid come the current working state to equipment and future work situation, so as to
Effective foundation is provided for the correct maintenance of equipment, reaches the purpose of preventative maintenance.At present, oil analyzing technology mainly has
Three kinds of fluid method of performance analysis, dustiness analytic approach and Debris Analysis method methods.
In the prior art, according to fluid sample collection mode and the difference and relation in analysis place, machine fluid analyzer
Device or system can be divided into three kinds of citation forms：1st, off-line type (off-line), with scene (on-site, using portable oil
Liquid analytical instrument) and non-at-scene (off-site, using basic configuration or complete configuration oil analysis laboratory) both of which point
The representative fluid sample that analysis cycle or aperiodicity mode gather, its analytical structure is easily by fluid sample collection, transport and reality
The influence of many factors during testing；2nd, online (on-line), continuously or intermittently analysis part circulation fluid, to machine
The influence of fluid flow regime is small, using the teaching of the invention it is possible to provide direct result and is hardly influenceed by external factor, but if sample collection number
When measuring less, on-line analysis result may lose representativeness；3rd, embedded (in-line) or type in situ (in-site), continuous point
Whole circulation fluid in analysis system, and analysis result is provided immediately, analysis process is not influenceed by external factor, but is analyzed and implemented
Difficulty, and influence may be brought on oil system normal work.
The content of the invention
(1) technical problem solved
In order to solve the above problems, the invention provides a kind of aircraft fluid wireless monitor system, embedded fluid is utilized
Analyte sensors obtain fluid data, based on the communication of Zigbee protocol by convergence to leader cluster node, cluster head
Node sends terminal node to again after handling data, upload the data to host computer by terminal node, passes through host computer
Detailed fluid data analysis is carried out to obtain result, eliminate drain the oil repeatedly and fluid transport workload, when saving
Between, it can eliminate again in the possibility drained the oil with pollution is introduced during fluid transport.
(2) technical scheme
A kind of aircraft fluid wireless monitor system, including sensor node, leader cluster node and terminal node；Described in several
Sensor node is respectively arranged on the oil circuits of significant points such as the engine of aircraft, undercarriage, flaperon, empennage, with monitoring
The hydraulic oil and lubricating oil situation of aircraft；Several described sensor nodes form Star Network cluster, and the leader cluster node is located at
The center of the Star Network cluster；The terminal node is portable equipment, is carried with for testing staff；The sensing
Device node passes through described by ZigBee-network wireless connection, the leader cluster node with the leader cluster node with the terminal node
ZigBee-network wireless connection, the terminal node are connected by USB interface with host computer；
The sensor node includes data acquisition unit, the first data processing unit, the first data storage cell, first
Data transmission unit and the first power subsystem；The data acquisition unit uses embedded oil analysis sensor, and monitoring is started
The lubricating oil and undercarriage of lubricating oil pipeline in cabin, flaperon and empennage hydraulic oil pipeline hydraulic oil situation, export mould
Intend voltage signal, be sent into the A/D ALT-CH alternate channels of first data processing unit；First data processing unit is to the number
The data gathered according to collecting unit are handled, and output connects first data storage cell respectively and first data pass
Defeated unit；First data storage cell stores to the data of collection；First data processing unit is by collection
Data are sent to the leader cluster node by the first data transmission unit；First power subsystem gives the sensor section
Other units of point provide operating voltage；
The leader cluster node include the second data transmission unit, the second data processing unit, the second data storage cell and
Second source unit；Second data processing unit is gathered the sensor node by second data transmission unit
Data be collected processing, be stored in second data storage cell；Second data processing unit is by collection
Data are sent to the terminal node by second data transmission unit；The second source unit gives the leader cluster node
Other units provide operating voltage；
The terminal node includes the 3rd data transmission unit, the 3rd data processing unit, the 3rd data storage cell, aobvious
Show unit, usb communication unit and the 3rd power subsystem；3rd data processing unit passes through the 3rd data transmission unit
Data movement instruction is sent to the leader cluster node and receives the data that the leader cluster node is sent；The 3rd data processing list
Member carries out Treatment Analysis to the data of reception, and output connects the 3rd data storage cell, the display unit and the institute respectively
State usb communication unit；3rd data storage cell stores to the data of reception；The display unit is to abnormal data
Carry out real-time display；The data of reception are uploaded on described by the 3rd data processing unit by the usb communication unit
Position machine；3rd power subsystem provides operating voltage to other units of the terminal node.
Further, first data processing unit and second data processing unit select 8 AVR single chips
ATmega128L, the 3rd data processing unit select efficient 16/32 ARM7TDMI-S microcontroller LPC2220.
Further, first data storage cell, second data storage cell and the 3rd data storage
Unit has identical circuit structure, including memory, the first electric capacity, the first and second resistance, wherein the memory is selected
2K Bits Serial CMOS EEPROM AT24C02.
Further, the first data transmission unit, second data transmission unit and the 3rd data transfer
Unit has an identical circuit structure, including RF transceiver, radio-frequency antenna, quartz crystal oscillator, the first~the 3rd inductance, second~
8th electric capacity and 3rd resistor, wherein the RF transceiver selects 2.4GHz standard radio frequency transceivers CC2420.
Further, the display unit includes LCDs, the first and second light emitting diodes, potentiometer, the 4th
With the 5th resistance, wherein the LCDs selects LCD1602, first light emitting diode is red diodes, described
Second light emitting diode is green diode.
Further, the usb communication unit selects USB Interface Special chip I SP1581.
Further, first power subsystem and the 3rd power subsystem use lithium battery, the second source unit
Using airborne power supply.
(3) beneficial effect
The invention provides a kind of aircraft fluid wireless monitor system, utilizes embedded oil analysis sensor and ZigBee
Wireless communication technology is combined, it is possible to achieve the on line real-time monitoring of aircraft fluid, and can be incited somebody to action by way of radio communication
Data are sent out, and sending host computer to by terminal node carries out detailed fluid data analysis to obtain result, realizes
The long-range monitoring of aircraft fluid, eliminate drain the oil repeatedly and fluid transport workload, save the time, can eliminate again
To drain the oil and the possibility of pollution is introduced during being transported with fluid, its system architecture is simple, and compact, cost is cheap, and power consumption is extremely low,
Accuracy of detection is high, fast response time, stability and good reliability, is with good expansibility, meets Oil Monitor System
The intelligent, requirement of dexterityization.
Brief description of the drawings
Fig. 1 is a kind of structured flowchart of aircraft fluid wireless monitor system involved in the present invention.
Fig. 2 is a kind of data storage cell circuit theory diagrams of aircraft fluid wireless monitor system involved in the present invention.
Fig. 3 is a kind of data transmission unit circuit theory diagrams of aircraft fluid wireless monitor system involved in the present invention.
Fig. 4 is a kind of display unit circuit schematic diagram of aircraft fluid wireless monitor system involved in the present invention.
Embodiment
Embodiment involved in the present invention is described in further details below in conjunction with the accompanying drawings.
As shown in figure 1, a kind of aircraft fluid wireless monitor system, including sensor node, leader cluster node and terminal node；
Several sensor nodes are respectively arranged on the oil circuits of significant points such as the engine of aircraft, undercarriage, flaperon, empennage,
To monitor the hydraulic oil of aircraft and lubricating oil situation；Several sensor nodes form Star Network cluster, and leader cluster node is located at star
The center of type network cluster；Terminal node is portable equipment, is carried with for testing staff；Sensor node and cluster head section
Point passes through ZigBee-network wireless connection, and leader cluster node is led to terminal node by ZigBee-network wireless connection, terminal node
USB interface is crossed with host computer to be connected；
Sensor node includes data acquisition unit, the first data processing unit, the first data storage cell, the first data
Transmission unit and the first power subsystem；Data acquisition unit uses embedded oil analysis sensor, moistens in monitoring enging cabin
The hydraulic oil situation of the lubricating oil and undercarriage of lube pipe, the hydraulic oil pipeline of flaperon and empennage, output analog voltage letter
Number, the A/D ALT-CH alternate channels of the first data processing unit of feeding；The data that first data processing unit gathers to data acquisition unit
Handled, output connects the first data storage cell and first data transmission unit respectively；First data storage cell is to adopting
The data of collection are stored；The data of collection are sent to cluster head section by the first data processing unit by first data transmission unit
Point；First power subsystem provides operating voltage to other units of sensor node；
Leader cluster node includes the second data transmission unit, the second data processing unit, the second data storage cell and second
Power subsystem；The data that sensor node gathers are collected place by the second data processing unit by the second data transmission unit
Reason, is stored in the second data storage cell；The data of collection are passed through the second data transmission unit by the second data processing unit
It is sent to end node；Second source unit provides operating voltage to other units of leader cluster node；
Terminal node includes the 3rd data transmission unit, the 3rd data processing unit, the 3rd data storage cell, display list
Member, usb communication unit and the 3rd power subsystem；3rd data processing unit is sent out by the 3rd data transmission unit to leader cluster node
Send data movement instruction and receive the data of leader cluster node transmission；3rd data processing unit carries out processing point to the data of reception
Analysis, output connect the 3rd data storage cell, display unit and usb communication unit respectively；3rd data storage cell is to receiving
Data stored；Display unit carries out real-time display to abnormal data；3rd data processing unit passes through usb communication unit
The data of reception are uploaded to host computer；3rd power subsystem provides operating voltage to other units of terminal node.
Data acquisition unit uses embedded oil analysis sensor, for online acquisition fluid information.Oil analysis
Method has many kinds, corresponding, and embedded oil analysis sensor also has diversified forms, and they use different technologies
Determine oil state.In order to obtain comprehensive aircraft fluid information, a variety of embedded oil analysis sensor installations can be selected
In the different parts of oil circuit.
First data processing unit is the core of sensor node, the control of equipment, data acquisition and processing (DAP), communication protocol
All completed with data transmit-receive etc. under the support of the first data processing unit.Select high-performance, 8 AVR single chips of low-power consumption
ATmega128L, the chip hardware aboundresources, have the advantages that low in energy consumption, function is more, cheap and powerful.
Atmega128L itself carries 128K bytes Flash memories, and program can be downloaded to directly in piece in Flash by programmable device,
Eeprom memory again with 4K bytes simultaneously.ADC inside ATmega128 has 8 passages, and the resolution ratio per passage is
10bit, input voltage range are 0~5V, disclosure satisfy that the needs of the touring collection of Monitoring Data, while without another plus AD conversion
Device, periphery circuit design is simplified, reduce cost.
To be stored after sensor node collection fluid data, just by number after leader cluster node proposes data transfer request
According to sending, therefore the data volume stored is larger, it is necessary to external memorizer.As shown in Fig. 2 the first data storage cell includes
Memory U1, electric capacity C1, resistance R1 and R2, wherein memory U1 select 2K Bits Serial CMOS EEPROM AT24C02.
AT24C02 has 2KB memory spaces, can under non-powered state significant data in storage system reliably and with long-term.Using
EEPROM bus structures, ATmega128L carry out data communication in a manner of simulating I2C with it.
ZigBee is a kind of Low rate wireless personal area network technology, it be applied to amount of communication data less, message transmission rate phase
To it is relatively low, distribution is smaller, but the safe and reliable of data is had higher requirements, and require that cost and power consumption are very low, and
The occasion easily installed and used.It has extremely low power consumption and solid-state networking capability, and good economy performance, securely and reliably, complexity
It is low.
First data transmission unit is mainly used to realize the ZigBee communication between leader cluster node, as shown in figure 3, first
Data transmission unit includes RF transceiver U2, radio-frequency antenna E1, quartz crystal oscillator X1, inductance L1~L3, electric capacity C2~C8 and electricity
R3 is hindered, wherein RF transceiver U2 selects 2.4GHz standard radio frequency transceivers CC2420.RF energy consumption is sensor node
The main aspect of energy expenditure, therefore a low-power consumption, high performance radio frequency chip are selected to extending the sensor node life-span extremely
Close important.CC2420 be Chipcon AS companies release first meet the radio-frequency receiving-transmitting of 2.4GHz, IEEE802.15.4 standard
Device, only needs few external component, stable performance and power consumption is extremely low.Data transmission rate is supported to reach as high as 250kbps, can be with
Realize multi-multipoint quickly networking.CC2420 provides extensive hardware supported, data buffer, transmitting for packet processing
Data encryption, data prove, the instruction of clear channel assessment (CCA), link-quality and packet real time data etc., and these features reduce
ATmega128L workload, CC2420 is set to connect with inexpensive ATmega128L.CC2420 and ATmega128L connection
It is very convenient, the control to CC2420 is realized by 8 I/O lines cans, simplifies the hardware design of sensor node.
Sensor node is arranged on the lubricating oil and hydraulic fluid flow paths of aircraft, due to the lubricating oil and hydraulic oil pipe of aircraft
Road is mostly arranged on inside airframe, and especially lubricating oil pipeline is located inside enging cabin, and temperature is very high, and working environment is non-
It is often poor, so the first power subsystem is powered using lithium battery to sensor node, circuit is caused to avoid accessing wire power supply
It is not easy to check, easy out of order shortcoming.
In order that the energy expenditure of each sensor node reaches balanced as far as possible, leader cluster node is arranged on sensor node group
Into Star Network cluster center, while consider installation convenience, by leader cluster node be arranged on aircraft machine back.Cluster head
The data that node transmits sensor node are merged, and to remove data redundancy, reduce the data volume of transmission, while also can be more
It is effective to carry out oil liquid monitoring.
The hardware design of leader cluster node is substantially consistent in the hardware design of sensor node, it is contemplated that leader cluster node
Needing to be communicated with all the sensors node on aircraft, also to carry out data storage and processing, the energy comparison of consumption is more,
If being difficult last longer using lithium battery power supply, so second source Unit selection airborne power supply supplies to leader cluster node
Electricity, the voltage using voltage conversion by aircraft power supply voltage conversion to suitable leader cluster node work.The not external sensing of leader cluster node
Device, only it is used for into row data communication and processing, considers data processing and the requirement of cost, the second data processing unit also selects
With AVR single chip ATmega128L.The second data transmission unit also selects CC2420 chips simultaneously.Leader cluster node will be stored and located
The fluid data of whole airplane are managed, it is necessary to which the data of storage are larger, it is also desirable to which external memorizer, the second data storage cell also select
Use AT24C02.
Terminal node is the data acquisition unit of hand-held, all airplane datas on airport can be acquired, also may be used
Individually gathered with the fluid data to every airplane.The data that terminal node primary recipient leader cluster node is sent, will also have
There are certain data analysis capabilities, fluid simply can be analyzed at the scene, while also to have bigger storage empty
Between, for storing the fluid data of each airplane, in favor of uploading to host computer, so its disposal ability, storage capacity and logical
Letter ability is relative stronger.
Terminal node is the special joint in monitoring system, based on a large amount of internal memories, external memory, high-throughput and disposal ability
Demand, the 3rd data processing unit select efficient 16/32 ARM7TDMI-S microcontroller LPC2220.LPC2220 supports real-time
Emulation and embedded tracking, it can be ensured that the task short time quickly performs.With extremely low power consumption, multiple 32 bit timing devices, 10,8 tunnel
ADC, PWM output, 64KB RAM and up to 9 external interrupt pins, by configuring bus, can at most provide 76 GPIO.
3rd data transmission unit equally selects CC2420 chips, and controls of the LPC2220 to CC2420 is the same as AVR single chip ATmega128L
It is similar, and the control to CC2420 is realized by 8 I/O lines, it is relatively simple.Terminal node needs bigger storage
Space, for storing the fluid data of each airplane, in favor of uploading to host computer, therefore external memorizer is also required to, the 3rd
Data storage cell equally selects AT24C02.Display unit carries out real-time display to the abnormal data of reception, as shown in figure 4, aobvious
Show that unit includes LCDs U3, LED 1 and LED2, potentiometer Rw1, resistance R4 and R5, wherein liquid crystal display
Screen U3 selects LCD1602, and LED 1 is red diodes, and LED 2 is green diode.Regulation electricity
Position device Rw1 can change LCD1602 display brightness.The indicator lamp of LED 1 and LED2 as wireless data transmission,
When red diodes LED1 is lighted, data receiver failure is represented；When green diode LED2 is lighted, represent that data have succeeded
Receive.Data Collection is got well and then upload the data to host computer, usb communication unit by usb communication unit by terminal node
It is that a kind of price is low, function is strong, special USB without microprocessor connects from USB Interface Special chip I SP1581, ISP1581
Mouth chip, meets USB2.0 specifications, and provide high-speed USB communication ability for SCM Based system.IPS1581 has 7
Individual IN end points, 7 OUT terminal points and 1 fixed control IN/OUT end points, have been internally integrated the 12MHz crystal oscillations with PLL
Device, internal electrification reset, low-voltage reset circuit and software reset can be passed through.ISP1581 has two kinds of mode of operations：General procedure
Device mode of operation and disconnection bus operation mode, the present apparatus disconnect the mode of operation of bus by setting BUS_CONF=0 to realize.
AD[7:0] multiplexed address/data for being 8, are connected with ATmega128L PC mouths；DATA[15:0] it is total for 16 data
Line.MODE0 pin connect high level, and expression reads or writes work；ALE pin realize address latch；RPU pin pull up for the outside of USB D+ pin
Resistance connection end, it is connected by a 1.5K Ω resistance with power supply；RREF pin connect external bias resistance, pass through a 12K Ω
Resistance is connected with ground terminal, high-speed transceiver is obtained an accurate mirror power supply.In order to realize good EMC characteristics, ISP1581
All supply pins are all connected with by two 0.1uF electric capacity filter network in parallel.Host computer can utilize special oil analysis
Expert system is further analyzed to fluid, can also by Internet connection to large-scale fluid assay laboratory to fluid
Implement long-range monitoring.3rd power subsystem of terminal node is also powered using lithium battery.
In order to save the energy of sensor node, first data transmission unit usually in a dormant state, only in fluid
Undergo mutation or terminal node requirement transmission data when just opening.The characteristics of requirement of synthesis energy saving and oil liquid monitoring, sensor
Node gathers a data, and itself and previous moment are collected at regular intervals by the timing of ATmega128L internal clockings
Data be compared, if difference are little, new data are just stored in external memory storage AT24C02, override old data.
If data are mutated, turn on CC2420 and transmitted.When needing to analyze the fluid of all aircrafts, by end
End node issue order, the CC2420 of all the sensors node is opened, the data of storage are sent to cluster head by sensor node
Node, then terminal node is sent the data to by leader cluster node.Terminal node can be selected to aircraft fluid all on airport
Information is acquired, and any airplane individually can also be gathered.
The invention provides a kind of aircraft fluid wireless monitor system, utilizes embedded oil analysis sensor and ZigBee
Wireless communication technology is combined, it is possible to achieve the on line real-time monitoring of aircraft fluid, and can be incited somebody to action by way of radio communication
Data are sent out, and sending host computer to by terminal node carries out detailed fluid data analysis to obtain result, realizes
The long-range monitoring of aircraft fluid, eliminate drain the oil repeatedly and fluid transport workload, save the time, can eliminate again
To drain the oil and the possibility of pollution is introduced during being transported with fluid, its system architecture is simple, and compact, cost is cheap, and power consumption is extremely low,
Accuracy of detection is high, fast response time, stability and good reliability, is with good expansibility, meets Oil Monitor System
The intelligent, requirement of dexterityization.
The above-described embodiments are merely illustrative of preferred embodiments of the present invention, not to the structure of the present invention
Think and scope is defined.On the premise of design concept of the present invention is not departed from, technology of the ordinary people in the field to the present invention
The all variations and modifications that scheme is made, all should drop into protection scope of the present invention, the claimed technology contents of the present invention,
All record in detail in the claims.
Claims (7)
- A kind of 1. aircraft fluid wireless monitor system, it is characterised in that：Including sensor node, leader cluster node and terminal node； Several described sensor nodes are respectively arranged in the oil circuit of the significant points such as the engine of aircraft, undercarriage, flaperon, empennage On, to monitor the hydraulic oil of aircraft and lubricating oil situation；Several described sensor nodes form Star Network cluster, the cluster head Node is located at the center of the Star Network cluster；The terminal node is portable equipment, is carried with for testing staff； The sensor node passes through ZigBee-network wireless connection, the leader cluster node and the terminal node with the leader cluster node By the ZigBee-network wireless connection, the terminal node is connected by USB interface with host computer；The sensor node includes data acquisition unit, the first data processing unit, the first data storage cell, the first data Transmission unit and the first power subsystem；The data acquisition unit uses embedded oil analysis sensor, monitors enging cabin The hydraulic oil situation of the lubricating oil and undercarriage of interior lubricating oil pipeline, the hydraulic oil pipeline of flaperon and empennage, output simulation electricity Signal is pressed, is sent into the A/D ALT-CH alternate channels of first data processing unit；First data processing unit is adopted to the data The data of collection unit collection are handled, and output connects first data storage cell and the first data transmission list respectively Member；First data storage cell stores to the data of collection；First data processing unit is by the data of collection The leader cluster node is sent to by the first data transmission unit；First power subsystem is to the sensor node Other units provide operating voltage；The leader cluster node includes the second data transmission unit, the second data processing unit, the second data storage cell and second Power subsystem；The number that second data processing unit is gathered the sensor node by second data transmission unit According to processing is collected, it is stored in second data storage cell；Second data processing unit is by the data of collection The terminal node is sent to by second data transmission unit；The second source unit gives its of the leader cluster node Its unit provides operating voltage；The terminal node includes the 3rd data transmission unit, the 3rd data processing unit, the 3rd data storage cell, display list Member, usb communication unit and the 3rd power subsystem；3rd data processing unit is by the 3rd data transmission unit to institute Leader cluster node is stated to send data movement instruction and receive the data that the leader cluster node is sent；3rd data processing unit pair The data of reception carry out Treatment Analysis, and output connects the 3rd data storage cell, the display unit and the USB respectively Communication unit；3rd data storage cell stores to the data of reception；The display unit is carried out to abnormal data Real-time display；The data of reception are uploaded to the host computer by the 3rd data processing unit by the usb communication unit； 3rd power subsystem provides operating voltage to other units of the terminal node.
- A kind of 2. aircraft fluid wireless monitor system according to claim 1, it is characterised in that：First data processing Unit and second data processing unit are from 8 AVR single chip ATmega128L, the 3rd data processing unit choosing With efficient 16/32 ARM7TDMI-S microcontroller LPC2220.
- A kind of 3. aircraft fluid wireless monitor system according to claim 1, it is characterised in that：First data storage Unit, second data storage cell and the 3rd data storage cell have an identical circuit structure, including memory, First electric capacity, the first and second resistance, wherein the memory selects 2K Bits Serial CMOS EEPROM AT24C02.
- A kind of 4. aircraft fluid wireless monitor system according to claim 1, it is characterised in that：The first data transmission Unit, second data transmission unit and the 3rd data transmission unit have identical circuit structure, including radio frequency is received Device, radio-frequency antenna, quartz crystal oscillator, the first~the 3rd inductance, the second~the 8th electric capacity and 3rd resistor are sent out, wherein the radio frequency is received Hair device selects 2.4GHz standard radio frequency transceivers CC2420.
- A kind of 5. aircraft fluid wireless monitor system according to claim 1, it is characterised in that：The display unit includes LCDs, the first and second light emitting diodes, potentiometer, the 4th and the 5th resistance, wherein the LCDs is selected LCD1602, first light emitting diode are red diodes, and second light emitting diode is green diode.
- A kind of 6. aircraft fluid wireless monitor system according to claim 1, it is characterised in that：The usb communication unit From USB Interface Special chip I SP1581.
- A kind of 7. aircraft fluid wireless monitor system according to claim 1, it is characterised in that：First power subsystem Lithium battery is used with the 3rd power subsystem, the second source unit uses airborne power supply.
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| CN201711307935.4A CN107845249A (en) | 2017-12-11 | 2017-12-11 | A kind of aircraft fluid wireless monitor system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109803021A (en) * | 2019-01-30 | 2019-05-24 | 山东科技大学 | Embedded radio Multi net voting aircraft state detection system |
| CN110702740A (en) * | 2018-07-10 | 2020-01-17 | 郴州市佳迅电子仪器科技有限公司 | Engine oil quality detection instrument |
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2017
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110702740A (en) * | 2018-07-10 | 2020-01-17 | 郴州市佳迅电子仪器科技有限公司 | Engine oil quality detection instrument |
| CN109803021A (en) * | 2019-01-30 | 2019-05-24 | 山东科技大学 | Embedded radio Multi net voting aircraft state detection system |
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