CN109598914A - A kind of no cable connection sensor data transmission system - Google Patents
A kind of no cable connection sensor data transmission system Download PDFInfo
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- CN109598914A CN109598914A CN201811356176.5A CN201811356176A CN109598914A CN 109598914 A CN109598914 A CN 109598914A CN 201811356176 A CN201811356176 A CN 201811356176A CN 109598914 A CN109598914 A CN 109598914A
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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
A kind of no cable connection sensor data transmission system, including data concentrator, data processing unit, data collector, sensor；The data collector power supply of the system uses wireless charging technology, and the wireless power supply module by connecting AC power source is powered to " mosquito type " receiver built in data collector, and " mosquito type " receiver again charges to the rechargeable battery built in data collector；The data transmission of the data concentrator and data collector of the system uses communication, and working frequency is 2.4G hertz, using frequency division multiple access and time division multiple access technology, can acquire the test data of up to 1000 sensors simultaneously；The system saves plenty of time and human and material resources that cable connection occupies due to getting rid of the connection cables between previous sensor and data collection system；Simultaneously also avoid because cable pull or impede so that cable connection loosen caused by data acquisition failure problem, can make large-scale experiment data acquire it is more efficient, convenient.
Description
Technical field
The present invention relates to aeronautic structure test data collection technical fields, and in particular to a kind of no cable connection sensor number
According to Transmission system.
Background technique
Known, each model aeronautical product needs to carry out a large number of experiments verifying and survey in Structural Development, design process
Examination；It include that projects, these projects such as strain, acceleration, temperature, displacement need to acquire during the test greatly for structured testing
The data of amount.But in previous test, need to be connected with cable between sensor and data collection system, and the connection of cable
Work can occupy a large amount of time, expend a large amount of man power and material；Simultaneously during the test, sensor and acquisition system it
Between a large amount of cables be highly susceptible to pull or impede so that cable connection loosen, cause data acquisition failure.Using no cable
The sensor testing system of connection can make correlation test, especially large-scale experiment test more efficient and convenient completion.
Summary of the invention
In order to overcome the shortcomings in the background art, the invention discloses a kind of no cable connection sensor data transmission systems
System, which includes data concentrator, data processing unit, data collector, sensor；The data collector of the system is powered
Using wireless charging technology, by connecting the wireless power supply module of AC power source to " mosquito type " receiver built in data collector
Power supply, " mosquito type " receiver again charge to the rechargeable battery built in data collector；The data concentrator of the system with
Between data collector data transmission use communication, working frequency be 2.4G hertz, using frequency division multiple access and when
Division multiple access technology can acquire the test data of a sensor up to more than 1000 simultaneously；The system due to get rid of previous sensor and
Connection cables between data collection system, therefore save plenty of time and human and material resources that cable connection occupies；Simultaneously
It avoids because cable pulls or impedes so that data acquire failure problem caused by cable connection loosens, especially to large-scale experiment
Test more efficiently, can be completed easily.
In order to realize the goal of the invention, the present invention adopts the following technical scheme: a kind of no cable connection sensing data
Transmission system, it is characterized in that: including data concentrator, data processing unit, data collector, sensor；In the data set
Device includes concentrator signal transceiver, Transceiver Controller, data acquisition controller, sensor address register, wireless power
Module, communication module；The concentrator signal transceiver is provided with several, concentrator signal transceiver and Transceiver Controller
Connection, Transceiver Controller are connect with data acquisition controller；The data acquisition controller is also connected with sensor address and posts
Storage, wireless power supply module, communication module；The data processing unit includes data processing computer, display；The data
The communication module of computer front end connection data concentrator is handled, rear end connects display, at the data to acquisition
Reason, storage and display；The data collector includes collector signal transceiver, collector Transceiver Controller, MPU, A/D turns
Parallel operation, rechargeable battery, " mosquito formula " receive power supply module；The collector signal transceiver, collector Transceiver Controller,
MPU, A/D converter are linked in sequence；" the mosquito formula " receives power supply module and receives and dispatches respectively with collector signal transceiver, collector
Device controller, MPU, A/D converter, " mosquito formula " receive power supply module and are also connected with rechargeable battery；The sensor is adopted with data
The A/D converter of storage, " mosquito formula " receive power supply module connection.
Preferably, in 2400-2483.5M hertz of frequency ranges, uplink signal frequency range is for the concentrator signal transceiver work
2400-2431M hertz, downlink signal frequency range is 2451-2482M hertz, 31M hertz of working frequency range bandwidth, between uplink and downlink signal
Every 51M hertz.
Preferably, the concentrator signal transceiver is provided with a Physical Broadcast Channel and several physical communications letter
Road, Physical Broadcast Channel and physical communication channels bandwidth are 200K hertz.
Preferably, the data collector networking time is shortened in the Physical Broadcast Channel communication using short frame structure；It is described
Physical communication channels improve communication efficiency using multi-frame structure.
Preferably, the no cable connection sensor data transmission system uses the location Shi Duofen technology, a concentrator letter
Number transceiver can be simultaneously with carrying 8 data collectors.
Preferably, the Physical Broadcast Channel is provided with the calling that networks, frequency correction, synchronization, shakes hands, clear instruction, enters
Net calling, frequency correction, synchronization, shake hands, clear instruction be two-way channel, confirmed by response.
Preferably, the data collector uses the ID code of built-in MPU as communication physical address, Usage data collection device
The serial number of layout is corresponded as communication logic address, communication physical address and communication logic address in order, communication when institute
There are data to have communication logic address；Data collector before being put into use, leads to software for communication logic address and data is written
In the ROM of MPU built in collector.
Preferably, the data encoding of the system of the data collector and communication protocol are customized, to improve data
The confidentiality of communication.
Due to the adoption of the technical scheme as described above, the invention has the following beneficial effects: a kind of nothings disclosed by the invention
Cable connects sensor data transmission system, including data concentrator, data processing unit, data collector, sensor；This is
The data collector power supply of system uses wireless charging technology, by connecting the wireless power supply module of AC power source to data collector
Built-in " mosquito type " receiver power supply, " mosquito type " receiver again charge to the rechargeable battery built in data collector；It should
The data transmission of the data concentrator and data collector of system uses communication, and working frequency is 2.4G hertz, adopts
With frequency division multiple access and time division multiple access technology, the test data of a sensor up to more than 1000 can be acquired simultaneously；The system is due to pendulum
The connection cables between previous sensor and data collection system are taken off, therefore save plenty of time and people that cable connection occupies
Power, material resources；Simultaneously also avoid because cable pull or impede so that cable connection loosen caused by data acquisition failure problem,
The data of large-scale experiment can be made to acquire more efficient, convenient.
Detailed description of the invention
Fig. 1 is data concentrator and each module connection diagram of data processing unit；
Fig. 2 is each module of data collector and sensor connection schematic diagram；
In figure: 1, data concentrator；101, concentrator signal transceiver；102, Transceiver Controller；103, data acquire
Controller；104, sensor address register；105, wireless power supply module；106, communication module；2, data processing unit；201,
Data processing computer；202, display；3, data collector；301, collector signal transceiver；302, collector transceiver
Controller；303,MPU；304, A/D converter；305, rechargeable battery；306, " mosquito formula " power supply module；4, sensor.
Specific embodiment
By the following examples can the detailed explanation present invention, the open purpose of the present invention is intended to protect model of the present invention
Enclose all interior technological improvements.
A kind of no cable connection sensor data transmission system, including data concentrator 1, data processing unit 2, data are adopted
Storage 3, sensor 4；The data concentrator 1 includes concentrator signal transceiver 101, Transceiver Controller 102, data acquisition
Controller 103, sensor address register 104, wireless power supply module 105, communication module 106；The concentrator signal transmitting and receiving
Device 101 is provided with several, and concentrator signal transceiver 101 is connect with Transceiver Controller 102, Transceiver Controller 102 with
Data acquisition controller 103 connects；The data acquisition controller 103 is also connected with sensor address register 104, wireless confession
Electric module 105, communication module 106；The data processing unit 2 includes data processing computer 201, display 202；The number
According to the communication module 106 of processing 201 front end of computer connection data concentrator 1, rear end connects display 202；The data are adopted
Storage 3 includes collector signal transceiver 301, collector Transceiver Controller 302, MPU303, A/D converter 304, chargeable
Battery 305, " mosquito formula " power supply module 306；The collector signal transceiver 301, collector Transceiver Controller 302,
MPU303, A/D converter 304 are linked in sequence；" mosquito formula " power supply module 306 respectively with collector signal transceiver 301, adopt
Storage Transceiver Controller 302, MPU303, A/D converter 304, " mosquito formula " power supply module 306 are also connected with rechargeable battery 305；
The sensor 4 is connect with the A/D converter 304 of data collector 3, " mosquito formula " power supply module 306.
In 2400-2483.5M hertz of frequency ranges, uplink signal frequency range is 2400- for the work of concentrator signal transceiver 101
2431M hertz, downlink signal frequency range be 2451-2482M hertz, 31M hertz of working frequency range bandwidth, uplink and downlink sigtnal interval 51M
Hertz.
The concentrator signal transceiver 101 is provided with a Physical Broadcast Channel and several physical communication channels, often
A physical communication channels bandwidth is 200K hertz.
The data collector networking time is shortened in the Physical Broadcast Channel communication using end frame structure；Physical communication channels
Communication efficiency is improved using multi-frame structure.
The no cable connection sensor data transmission system uses the location Shi Duofen technology, a concentrator signal transceiver
101 can be simultaneously with 8 data collectors 3 of load.
The Physical Broadcast Channel is provided with the calling that networks, frequency correction, synchronization, shakes hands, clear instruction, the calling that networks,
Frequency correction, synchronization, shake hands, clear instruction be two-way communication, confirmed by response.
The data collector 3 uses the ID code of built-in MPU303 as communication physical address, and Usage data collection device 3 is pressed
The serial number of sequential organization is as communication logic address；Communication physical address and communication logic address correspond, and when communication is all
Data have communication logic address；Before being put into use, by software data are written in communication logic address by data collector 3
Built in collector 3 in the ROM of MPU303.
The data encoding and communication protocol of the data collector 3 be it is customized, to improve the confidentiality of data communication.
When no cable connection sensor data transmission system puts into operation, data set is waken up by data processing unit 2
Middle device 1, each module of concentrator 1 enter normal operating conditions；Electromagnetic wave is sent after the normal work of wireless power supply module 105, number
It receives power supply module reception electromagnetic wave according to " mosquito formula " built in collector 3 to start to charge to rechargeable battery 305, while can
Rechargeable battery 305 is powered data collector 3 and sensor 4 after the voltage transformation by " mosquito formula " reception power supply module,
Data collector 3 and sensor 4 enter normal operating conditions, while the setting of acquisition signal transceiver 301 of data collector 3 exists
Physical Broadcast Channel；Concentrator 1, data collector 3, the starting of sensor 4 terminate, and await orders into networking into net state；
It after each module of concentrator 1 enters normal operating conditions, was waited through several seconds, Physical Broadcast Channel broadcast, which networks, to be called
Instruction generates one after each acquisition signal transceiver 301 receives the networking call instruction of concentrator 1 in the MPU of collector 3
With the random number within be arranged in system 1.2 times of collector quantity, this random number determines the communication of each collector and concentrator
Sequentially；Each collector 3 is communicated by Physical Broadcast Channel with concentrator 1 according to sequence, by frequency correction, synchronization, is shaken hands, is set
Zero instruction, concentrator 1 are each 3 allocation of communication channels of collector, and by the communication physical address of each collector 3, communication logic
Location and communication channel number are stored in sensor address register 104；Each collector locking communication channel networks and to sensing
Device carries out zero setting, and until all collectors network, zero setting is completed, so far no cable connection sensor data transmission system networking is opened
Dynamic process terminates, and acquires armed state into data；
Concentrator 1 issues data acquisition instructions by communication channel, and no cable connection sensor data transmission system enters
Data acquisition state；
Starting test, the lower sensor 4 hung of each collector 3 acquire data, and the A/D converter 304 of acquired device 3 will simulate
Signal is converted to digital signal, and digital signal sends collector receipts to through MPU303 segmentation, load logic mailing address, packing
Device controller 302 is sent out, collector Transceiver Controller 302 encodes the digital signal received, seals frame, is then transferred to
Collector signal transceiver 301, collector signal transceiver 301 according to locking communication channel, by antenna by data transmission
It goes out；
Concentrator signal transceiver 101 receives each acquisition according to the communication channel that concentrator Transceiver Controller 102 is specified
Then the data that device 3 transmits send data acquisition controller 103, data acquisition control to by concentrator Transceiver Controller 102
Device 103 processed sends data to data processing unit 2 by communication module 106 again, and the data processing of data processing unit 2 calculates
Machine 201 handles data, is stored, and is shown data in the form of curve or chart display 202.
Off-test after the completion of data acquisition, assigns data by data processing unit 2 and acquires END instruction, data are adopted
Collect END instruction to receive through communication module 106, data acquisition controller 103, concentrator Transceiver Controller 102, concentrator signal
Device 101 is sent out, sends out data acquisition END instruction eventually by antenna；Data collector 3, which receives data acquisition, to be terminated
After instruction, confirmation is replied, is then turned off the power supply that " mosquito formula " receives power supply module 306；Concentrator 1 receives each data collector
After the 3 data acquisition END instruction confirmations replied, concentrator signal transceiver 101, concentrator Transceiver Controller 102 are closed,
Sensor address register 104 is emptied, then data collector controller 103 and communication module enter dormant state, collect at this time
Middle device 1 enters dormant state；
In the dormant state, data acquisition controller 103 can periodically revive concentrator 1, wake up communication module 106, scanning
Whether data processing unit 2 has enabled instruction；
In the dormant state, wireless power supply module 105 is in and continues working the state, " mosquito of data collector 3 concentrator 1
Formula " receives power supply module 306 and is also at working condition, is continuously the charging of rechargeable battery 305, after punching electricity several hours, wirelessly
Power supply module 105 stops working.
Part not in the detailed description of the invention is the prior art.
Claims (8)
1. a kind of no cable connection sensor data transmission system, it is characterized in that: including data concentrator (1), data processing list
First (2), data collector (3), sensor (4)；The data concentrator (1) includes concentrator signal transceiver (101), transmitting-receiving
Device controller (102), sensor address register (104), wireless power supply module (105), leads to data acquisition controller (103)
Believe module (106)；The concentrator signal transceiver (101) is provided with several, concentrator signal transceiver (101) and transmitting-receiving
Device controller (102) connection, Transceiver Controller (102) are connect with data acquisition controller (103)；The data acquisition control
Device (103) is also connected with sensor address register (104), wireless power supply module (105), communication module (106)；The data
Processing unit (2) includes data processing computer (201), display (202)；Data processing computer (201) front end connects
The communication module (106) of data concentrator (1) is connect, rear end connects display (202)；The data collector (3) includes acquisition
Device signal transceiver (301), collector Transceiver Controller (302), MPU (303), A/D converter (304), rechargeable battery
(305), " mosquito formula " power supply module (306)；The collector signal transceiver (301), collector Transceiver Controller (302),
MPU (303), A/D converter (304) are linked in sequence；" mosquito formula " power supply module (306) respectively with collector signal transceiver
(301), collector Transceiver Controller (302), MPU (303), A/D converter (304), " mosquito formula " power supply module (306) also connect
Connect rechargeable battery (305)；A/D converter (304), " mosquito formula " power supply module of the sensor (4) and data collector (3)
(306) it connects.
2. no cable connection sensor data transmission system according to claim 1, it is characterized in that: concentrator signal transceiver
(101) work is 2400-2431M hertz in 2400-2483.5M hertz of frequency ranges, uplink signal frequency range, and downlink signal frequency range is
2451-2482M hertz, 31M hertz of working frequency range bandwidth, 51M hertz of the uplink and downlink sigtnal interval.
3. no cable connection sensor data transmission system according to claim 1, it is characterized in that: concentrator signal transceiver
(101) Physical Broadcast Channel and several physical communication channels, Physical Broadcast Channel and several physical communications are provided with
Channel width is 200K hertz.
4. no cable connection sensor data transmission system according to claim 1, it is characterized in that: Physical Broadcast Channel communicates
Using short frame structure, physical communication channels use multi-frame structure.
5. no cable connection sensor data transmission system according to claim 1, it is characterized in that: system uses the location Shi Duofen
Technology, a concentrator signal transceiver (101) can be simultaneously with 8 data collectors (3) of load.
6. no cable connection sensor data transmission system according to claim 1, it is characterized in that: Physical Broadcast Channel is arranged
Have network calling, frequency correction, synchronization, shake hands, clear instruction, networking calling, frequency correction, synchronization, shake hands, clear instruction is
Two-way channel is confirmed by response.
7. no cable connection sensor data transmission system according to claim 1, it is characterized in that: data collector (3) makes
Use the ID code of built-in MPU (303) as communication physical address, the serial number of Usage data collection device (3) layout in order is as logical
Believe logical address.
8. no cable connection sensor data transmission system according to claim 1, it is characterized in that: the data encoding of system
And communication protocol is customized.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811356176.5A CN109598914A (en) | 2018-11-14 | 2018-11-14 | A kind of no cable connection sensor data transmission system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811356176.5A CN109598914A (en) | 2018-11-14 | 2018-11-14 | A kind of no cable connection sensor data transmission system |
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