CN106781350A - A kind of new connection system of aircraft inner sensor - Google Patents

A kind of new connection system of aircraft inner sensor Download PDF

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Publication number
CN106781350A
CN106781350A CN201611033269.5A CN201611033269A CN106781350A CN 106781350 A CN106781350 A CN 106781350A CN 201611033269 A CN201611033269 A CN 201611033269A CN 106781350 A CN106781350 A CN 106781350A
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CN
China
Prior art keywords
data
module
instruction
signal
transmitted
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Pending
Application number
CN201611033269.5A
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Chinese (zh)
Inventor
赵良
郑晨
王斌
陈政
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China Academy of Launch Vehicle Technology CALT
Beijing Institute of Near Space Vehicles System Engineering
Original Assignee
China Academy of Launch Vehicle Technology CALT
Beijing Institute of Near Space Vehicles System Engineering
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Application filed by China Academy of Launch Vehicle Technology CALT, Beijing Institute of Near Space Vehicles System Engineering filed Critical China Academy of Launch Vehicle Technology CALT
Priority to CN201611033269.5A priority Critical patent/CN106781350A/en
Publication of CN106781350A publication Critical patent/CN106781350A/en
Pending legal-status Critical Current

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    • GPHYSICS
    • G08SIGNALLING
    • G08CTRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
    • G08C17/00Arrangements for transmitting signals characterised by the use of a wireless electrical link
    • G08C17/02Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link

Abstract

A kind of new connection system of aircraft inner sensor, is related to all types of aircraft connection areas of aerospace field;Including wireless intelligent network sensing module and network coordination module;Wherein wireless intelligent network sensing module includes power module, data capture unit, data processing unit and data transfer unit;Network coordination module includes data reception module, processing and control module, interface module and power supply module;Wherein, data capture unit includes sensing element, Signal-regulated kinase and A/D modular converters;Data transfer unit includes wireless data transmission receiver module;Interface module includes network adapter;The present invention has reduced the number of substantial amounts of cable and connector, reduces corresponding weight and volume, solves the nervous contradiction in aircraft interior space, improves the flexibility of sensor laying, the tailorability of system and shortening lead time.

Description

A kind of new connection system of aircraft inner sensor
Technical field
The present invention relates to a kind of all types of aircraft connection areas of aerospace field, passed in particularly a kind of aircraft The new connection system of sensor.
Background technology
With the development of modern science and technology and Aero-Space cause, various types of spacecrafts, aircraft emerge in an endless stream, People carry out parameter acquiring and flight detection etc. to it and require also more and more higher.Different aircraft with a common feature are Closed Small-scale Space is, and observing and controlling, navigation, control, strike etc. are completed because inside will generally load a large amount of electronic equipments Task, therefore the characteristics of have electromagnetic environment complex simultaneously.In order to preferably develop and monitor aircraft, generally in it Portion will lay many sensors and carry out parameter measurement, now generally using wire connection by the way of come complete sensor power supply and Data acquisition, with aircraft develop fine level lifting, it is necessary to monitoring parameter type and quantity it is in exponential increase, at present This wired connection mode then shows many inadaptable, and the problem for existing mainly includes:
1. number of sensors is more and is distributed to different parts in aircraft, it is necessary to substantial amounts of cable and connector complete sensing The power supply and data acquisition of device collect, and can cause the increase of spacecraft mass, volume, power consumption, heat consumption, influence whole aircraft Whole efficiency;
2. to load compact, placement-and-routing complicated for aircraft interior narrow space, equipment, and cable and connector are laying and always Easily occur extrude, hang up, overlapping during dress, the failure such as loose contact, he is developed to the later stage and many difficulty of test increase;
3. sensor must take into consideration interface circuit design problem using wired connection mode, such as impedance matching, circuit protection, The key elements such as timing Design.Because aircraft inner sensor species is a lot, therefore corresponding interface circuit species is more and complicated, slightly Go wrong accidentally;
4. the parameter measurement scheme based on wired connection mode is once it is determined that adjustment difficulty, it is meaning to increase or change measuring point The a series of activities such as cable system to be changed, data frame format and associated devices interface circuit, have influence on progress, experiment, into This etc., cost is very big.
The content of the invention
A kind of above-mentioned deficiency it is an object of the invention to overcome prior art, there is provided new connection of aircraft inner sensor System, has reduced the number of substantial amounts of cable and connector, reduces corresponding weight and volume, solves aircraft interior space anxiety Contradiction, improves the flexibility of sensor laying, the tailorability of system and shortening lead time.
Above-mentioned purpose of the invention is achieved by following technical solution:
A kind of new connection system of aircraft inner sensor, including wireless intelligent network sensing module and network coordination mould Block;Wherein wireless intelligent network sensing module includes that the transmission of power module, data capture unit, data processing unit and data is single Unit;Network coordination module includes data reception module, processing and control module, interface module and power supply module;
Power module:For data capture unit, data processing unit and data transfer unit provide power supply;
Data capture unit:The power thermal environment parameter of aircraft interior is measured, and power thermal environment parameter is converted into telecommunications Number, and electric signal is done amplify, filter, A/D treatment generation data signal, data signal is sent to data processing unit;When It is automatic to revive and in full speed running state when receiving the wake-up control instruction that data processing unit is transmitted;At reception data During the dormancy control instruction that reason unit is transmitted, into park mode;
Data processing unit:The data signal that data capture unit is transmitted is received, data signal is added into time marking, it is raw Into the data signal with time marking, and the data signal with time marking is sent to data transfer unit;Receive number The wake-up instruction transmitted according to delivery unit and dormancy instruction, and wake-up instruction is converted into waking up control instruction, by dormancy instruction It is converted into dormancy control instruction, and control instruction will be waken up and dormancy control instruction is sent to data capture unit;
Data transfer unit:The data signal with time marking that data processing unit is transmitted is received, by wireless hair Pattern is sent to send to data reception module;Wake-up instruction and dormancy instruction that data reception module is transmitted are received, and wake-up is referred to Order and dormancy instruction are sent to data processing unit;
Power supply module:For data reception module, processing and control module and interface module provide power supply;
Data reception module:The data signal with time marking that data transfer unit is transmitted is received, and by band sometimes Between identify data signal reach processing and control module;Wake-up instruction and dormancy instruction that reception processing control module is transmitted, and Instruction will be waken up and dormancy instruction is sent to data transfer unit by wireless transmission modes;
Processing and control module:The data signal with time marking that data reception module is transmitted is received, to the time The data signal of mark carries out packing treatment, produces packing data, and packing data is transmitted to interface module;Send and wake up instruction With dormancy instruction to data reception module;
Interface module:After the packing data that reception processing control module is transmitted, packing data is sent to external equipment.
In a kind of above-mentioned new connection system of aircraft inner sensor, described data capture unit includes sensitive unit Part, Signal-regulated kinase and A/D modular converters;Sensing element measures the power thermal environment parameter of aircraft interior, and by the hot ring of power Border Parameter Switch is electric signal, and electric signal is sent into Signal-regulated kinase;Signal-regulated kinase does to electric signal and amplifies, filters Ripple treatment, the electric signal after generation conditioning;Electric signal after conditioning is carried out A/D conversion generation data signals by A/D modular converters, And by digital data transmission to data processing unit.
In a kind of above-mentioned new connection system of aircraft inner sensor, the power thermal environment parameter bag of the aircraft interior Include temperature parameter, pressure parameter, hot-fluid parameter, noise parameter and vibration parameters.
In a kind of above-mentioned new connection system of aircraft inner sensor, the data transfer unit is sent out including wireless data Receiver module is penetrated, wireless data transmission receiver module receives the data signal with time marking that data processing unit is transmitted, And the data signal with time marking is sent to data reception module by way of wireless transmission.
In a kind of above-mentioned new connection system of aircraft inner sensor, the interface module includes network adapter, net After the packing data that network adapter reception processing control module is transmitted, packing data is sent to external equipment.
In a kind of above-mentioned new connection system of aircraft inner sensor, the processing and control module is to time marking Data signal carry out packing treatment, the packing cycle is less than 25ms.
The present invention has the following advantages that compared with prior art:
(1) present invention realizes the data transfer of sensor using short-distance wireless communication technology, while Sensor Design is certainly Band button cell, thoroughly cut off between sensor and measuring system miscellaneous equipment wire connection, reduced the number of substantial amounts of cable and Connector, reduces corresponding weight and volume, improves the whole efficiency of aircraft;
(2) the anury connected mode of sensor it also avoid laying for cable in the present invention, solve aircraft interior space Nervous contradiction, reduces because of wire squeezes, blows extension, caused fault rate the problems such as connector is contacted;
(3) dynamic group by designing highly reliable radio sensing network protocol realization aircraft inner sensor of the invention Net, dynamic configuration, improve the flexibility of sensor laying, the tailorability of system and shortening lead time.
Brief description of the drawings
Fig. 1 is aircraft inner sensor wireless connection system schematic diagram of the present invention.
Specific embodiment
The present invention is described in further detail with specific embodiment below in conjunction with the accompanying drawings:
It is as shown in Figure 1 aircraft inner sensor wireless connection system schematic diagram, as seen from the figure, sensing in a kind of aircraft The new connection system of device, including wireless intelligent network sensing module and network coordination module;Wherein wireless intelligent network senses mould Block includes power module, data capture unit, data processing unit and data transfer unit;Network coordination module connects including data Receive module, processing and control module, interface module and power supply module;
Power module:For data capture unit, data processing unit and data transfer unit provide power supply;
Data capture unit:Measure the power thermal environment parameter of aircraft interior, the power thermal environment parameter bag of aircraft interior Include temperature parameter, pressure parameter, hot-fluid parameter, noise parameter and vibration parameters;And power thermal environment parameter is converted into electric signal, And electric signal is done amplify, filter, A/D treatment generation data signal, data signal is sent to data processing unit;Data are obtained Taking unit includes sensing element, Signal-regulated kinase and A/D modular converters;Sensing element measures the power thermal environment of aircraft interior Parameter, and power thermal environment parameter is converted into electric signal, and electric signal is sent to Signal-regulated kinase;Signal-regulated kinase pair Electric signal do amplify, filtering process, generation conditioning after electric signal;Electric signal after conditioning is carried out A/D and turned by A/D modular converters Change generation data signal, and by digital data transmission to data processing unit.
It is automatic to revive and in full speed running state when the wake-up control instruction that data processing unit is transmitted is received;When When receiving the dormancy control instruction that data processing unit is transmitted, into park mode;
Data processing unit:The data signal that data capture unit is transmitted is received, data signal is added into time marking, it is raw Into the data signal with time marking, and the data signal with time marking is sent to data transfer unit;Receive number The wake-up instruction transmitted according to delivery unit and dormancy instruction, and wake-up instruction is converted into waking up control instruction, by dormancy instruction It is converted into dormancy control instruction, and control instruction will be waken up and dormancy control instruction is sent to data capture unit;
Data transfer unit:The data signal with time marking that data processing unit is transmitted is received, by wireless hair Pattern is sent to send to data reception module, data transfer unit includes wireless data transmission receiver module, and wireless data transmission connects Receive module and receive the data signal with time marking that data processing unit is transmitted, and the data signal of time marking will be carried Sent to data reception module by way of wireless transmission;The wake-up instruction and dormancy that reception data reception module is transmitted refer to Order, and wake-up instruction is sent to data processing unit with dormancy instruction;
Power supply module:For data reception module, processing and control module and interface module provide power supply;
Data reception module:The data signal with time marking that data transfer unit is transmitted is received, and by band sometimes Between identify data signal reach processing and control module;Wake-up instruction and dormancy instruction that reception processing control module is transmitted, and Instruction will be waken up and dormancy instruction is sent to data transfer unit by wireless transmission modes;
Processing and control module:The data signal with time marking that data reception module is transmitted is received, to the time The data signal of mark carries out packing treatment, produces packing data, and processing and control module is to the data signal with time marking Packing treatment is carried out, the packing cycle is less than 25ms;And transmit to interface module packing data;Send to wake up to instruct and refer to dormancy Make to data reception module;
Interface module:After the packing data that reception processing control module is transmitted, packing data is sent to external equipment.Connect Mouth mold block includes network adapter, after the packing data that network adapter reception processing control module is transmitted, packing data is sent out Deliver to external equipment.
As above, the core for supporting System Operation is highly reliable radio sensing network agreement, the network association of this patent design View point physical layer, MAC layer, routing layer, transport layer and application layer.Physical layer is used assists with Zigbee identicals IEEE802.15.4 The physical layer configurations of view;It is high speed and low-speed sensor that MAC layer uses the time-division access methods of FDMA channel access combinations TDMA Path is provided, brand-new design protocol stack meets low-power consumption requirement and the time synchronized of system architecture;Routing layer using static routing, Address configuration and automatic address conversion regime, it is data-centered, realize the dynamic scalable of network;Transport layer uses Qos machines System, network delay and obstructing problem are solved based on flow control, congestion control policy, preferential to ensure the effective of high-priority data Transmission;Application layer then completes sensor data acquisition coding, query processing and network management, first local during data acquisition Data pre-storage is done in flash, in case loss of data.
The content not being described in detail in description of the invention belongs to the known technology of those skilled in the art.

Claims (6)

1. a kind of new connection system of aircraft inner sensor, it is characterised in that:Including wireless intelligent network sensing module and net Network Coordination module;Wherein wireless intelligent network sensing module includes power module, data capture unit, data processing unit sum According to delivery unit;Network coordination module includes data reception module, processing and control module, interface module and power supply module;
Power module:For data capture unit, data processing unit and data transfer unit provide power supply;
Data capture unit:The power thermal environment parameter of aircraft interior is measured, and power thermal environment parameter is converted into electric signal, and Electric signal is done amplify, filter, A/D treatment generation data signal, data signal is sent to data processing unit;When reception number During the wake-up control instruction transmitted according to processing unit, automatic revival and in full speed running state;When reception data processing unit During the dormancy control instruction for transmitting, into park mode;
Data processing unit:The data signal that data capture unit is transmitted is received, data signal is added into time marking, generate band There is the data signal of time marking, and the data signal with time marking is sent to data transfer unit;Data are received to pass Wake-up instruction and dormancy instruction that unit is transmitted are sent, and instruction will be waken up and be converted into waking up control instruction, dormancy instruction is changed Into dormancy control instruction, and control instruction and dormancy control instruction will be waken up send to data capture unit;
Data transfer unit:The data signal with time marking that data processing unit is transmitted is received, by transmitting wirelessly mould Formula is sent to data reception module;Receive the wake-up instruction transmitted of data reception module and dormancy instruction, and will wake up instruction and Dormancy instruction is sent to data processing unit;
Power supply module:For data reception module, processing and control module and interface module provide power supply;
Data reception module:The data signal with time marking that data transfer unit is transmitted is received, and will be marked with the time The data signal of knowledge reaches processing and control module;Wake-up instruction and dormancy instruction that reception processing control module is transmitted, and will call out Instruction and the dormancy instruction of waking up are sent to data transfer unit by wireless transmission modes;
Processing and control module:The data signal with time marking that data reception module is transmitted is received, to time marking Data signal carry out packing treatment, produce packing data, packing data is transmitted to interface module;Send and wake up instruction and stop Sleep and instruct to data reception module;
Interface module:After the packing data that reception processing control module is transmitted, packing data is sent to external equipment.
2. a kind of new connection system of aircraft inner sensor according to claim 1, it is characterised in that:Described data Acquiring unit includes sensing element, Signal-regulated kinase and A/D modular converters;Sensing element measures the hot ring of power of aircraft interior Border parameter, and power thermal environment parameter is converted into electric signal, and electric signal is sent to Signal-regulated kinase;Signal-regulated kinase Electric signal is done amplify, filtering process, generation conditioning after electric signal;Electric signal after conditioning is carried out A/D by A/D modular converters Conversion generation data signal, and by digital data transmission to data processing unit.
3. a kind of new connection system of aircraft inner sensor according to claim 2, it is characterised in that:The aircraft Internal power thermal environment parameter includes temperature parameter, pressure parameter, hot-fluid parameter, noise parameter and vibration parameters.
4. a kind of new connection system of aircraft inner sensor according to claim 1, it is characterised in that:The data are passed Sending unit includes wireless data transmission receiver module, and what wireless data transmission receiver module reception data processing unit was transmitted carries The data signal of time marking, and the data signal with time marking is sent to data receiver by way of wireless transmission Module.
5. a kind of new connection system of aircraft inner sensor according to claim 1, it is characterised in that:The interface mould Block include network adapter, after the packing data that network adapter reception processing control module is transmitted, by packing data send to External equipment.
6. a kind of new connection system of aircraft inner sensor according to claim 1, it is characterised in that:The treatment control Molding block carries out packing treatment to the data signal with time marking, and the packing cycle is less than 25ms.
CN201611033269.5A 2016-11-14 2016-11-14 A kind of new connection system of aircraft inner sensor Pending CN106781350A (en)

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CN111132059A (en) * 2019-11-25 2020-05-08 北京宇航系统工程研究所 Wireless sensor network system suitable for acquiring flight parameters

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Application publication date: 20170531