CN207163611U - A kind of captive balloon ess-strain on-line measuring device - Google Patents
A kind of captive balloon ess-strain on-line measuring device Download PDFInfo
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- CN207163611U CN207163611U CN201721227359.8U CN201721227359U CN207163611U CN 207163611 U CN207163611 U CN 207163611U CN 201721227359 U CN201721227359 U CN 201721227359U CN 207163611 U CN207163611 U CN 207163611U
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- ball
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- interchanger
- ess
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
Abstract
It the utility model is related to a kind of captive balloon ess-strain on-line measuring device, including multiple and stress acquisition system both-way communication foil gauge, stress acquisition system is communicated by RS422 and ball control computer bidirectional, ball control computer passes through wireless bridge both-way communication on interchanger on ball and ball, wireless telecommunications between wireless bridge under wireless bridge and ball on ball, interchanger both-way communication under wireless bridge and ball under ball, interchanger communicates with floor treatment computer bidirectional under ball.The utility model completes soft material stress test using strain rosette and compensating plate, can in real time, the stressing conditions of accurate measurement captive balloon at work；On the one hand by analyzing the data of collection, the reasonability of sphere structure design and mechanical analysis is instructed；On the other hand by monitoring the stressing conditions of key point in real time, the hiding unsafe factor of balloon system is forecast in advance, ensures the reliability and security of balloon.
Description
Technical field
Soft material ess-strain detection technique field is the utility model is related to, especially a kind of captive balloon ess-strain
On-line measuring device.
Background technology
Captive balloon strain measurement is the new point of research in aerostatics field, so measurement balloon is under various conditions in real time
Stressing conditions, there is critically important directive function to spheroid force analysis, at the same can forecast in advance balloon system it is hiding not
Safety factor, to excluding incipient fault in time, the reliability and security that ensure balloon play a significant role.It is tethered at for evaluation
Structural strength when balloon works in the air to ball cover material thin-wall construction, it is necessary to implement actual Stress Measurement.Ball cover material is by fibre
Composite made of dimension, resin, have the characteristics that deformation is big, rigidity is low.
Stress test is applied typically in rigid material than wide, less for measuring soft covering stress application, its
Defect is：Firstly, since the mismatch of the gage factor of measuring piece and measured piece, will cause foil gauge to change covering
Physics coefficient, finally have a strong impact on the accuracy of measurement.Secondly, the demarcation of foil gauge is difficult to complete, and which kind of state spheroid is in
The lower installation for carrying out foil gauge is a research puzzle, because no matter balloon is in relaxation or inflated condition, carries out foil gauge
Installation can all bring uncertain measured deviation.Generally speaking, it is an intricately engineering to complete soft material strain measurement, no
The mass data in later stage is only needed to analyze, and the reliability of data source plays particularly important effect.
Utility model content
The purpose of this utility model is that provide one kind completes soft material stress test, energy using strain rosette and compensating plate
Enough real-time, captive balloon ess-strain on-line measuring devices of the stressing conditions of accurate measurement captive balloon at work.
To achieve the above object, the utility model employs following technical scheme：A kind of captive balloon ess-strain is online
Detection means, including multiple and stress acquisition system both-way communication foil gauge, the foil gauge is by strain rosette and compensating plate group
Into stress acquisition system is communicated by RS422 and ball control computer bidirectional, and ball control computer passes through nothing on interchanger on ball and ball
Gauze bridge both-way communication, wireless telecommunications between wireless bridge under wireless bridge and ball on ball, wireless bridge under ball with exchanging under ball
Machine both-way communication, interchanger communicates with floor treatment computer bidirectional under ball.
Also include power supply on ball, on ball power supply respectively to foil gauge, stress acquisition system, ball control computer,
Wireless bridge power supply on interchanger and ball on ball.
Also include power supply under ball, power supply is respectively to power supply for exchange under wireless bridge, ball under ball under ball.
The foil gauge uses resistance strain plate, and each stress collection point uses three-dimensional rectangular rosette, three-dimensional right angle
Each foil gauge resistance in strain rosette is 120 ohm, sensitivity coefficient 2.07.
The ball control computer uses the processing computer of PC104+FPGA frameworks, and the floor treatment computer uses
The computers of DELL Vostro 260.
As shown from the above technical solution, the utility model has the advantage of：First, completed using strain rosette and compensating plate soft
Body material stress test, can in real time, the stressing conditions of accurate measurement captive balloon at work；Second, on the one hand by right
The data of collection are analyzed, and instruct the reasonability of sphere structure design and mechanical analysis；3rd, on the other hand by supervising in real time
The stressing conditions of key point are surveyed, forecast the hiding unsafe factor of balloon system in advance, ensure the reliability and security of balloon.
Brief description of the drawings
Fig. 1 is apparatus structure block diagram of the present utility model.
Embodiment
As shown in figure 1, a kind of captive balloon ess-strain on-line measuring device, including it is multiple two-way with stress acquisition system
The foil gauge of communication, the foil gauge are made up of strain rosette and compensating plate, and stress acquisition system passes through RS422 and ball control computer
Both-way communication, ball control computer is by wireless bridge both-way communication on interchanger on ball and ball, wireless bridge and nothing under ball on ball
Wireless telecommunications between gauze bridge, wireless bridge and interchanger both-way communication under ball under ball, interchanger calculates with floor treatment under ball
Machine both-way communication.Also include power supply on ball, power supply calculates to foil gauge, stress acquisition system, ball control respectively on ball
Wireless bridge power supply on interchanger and ball on machine, ball.Also include power supply under ball, power supply is respectively to wireless under ball under ball
Power supply for exchange under bridge, ball.
As shown in figure 1, the foil gauge uses resistance strain plate, model ZJ.3-BHF, measuring strain scope for ±
19999με；Highest resolution is 1 μ ε.Sensing element directly detects measurand, the non-electrical signal that conversion element will detect
Electric signal is converted into, is easy to transmit and handles.Each stress collection point uses three-dimensional rectangular rosette, in three-dimensional rectangular rosette
Each foil gauge resistance be 120 ohm, sensitivity coefficient 2.07, with being arranged on measured material identical steel plate in experiment
Measurement error caused by foil gauge is changed with compensation temperature.The ball control computer is calculated using the processing of PC104+FPGA frameworks
Machine, the floor treatment computer use the computers of DELL Vostro 260.The model of the stress acquisition system
DH3816, the model SageIP900 of wireless bridge on the ball, the model SageIP900 of wireless bridge, institute under the ball
State the model ED6008-M-SC-T of interchanger on ball, the model ED6008-M-SC-T of interchanger, the ball under the ball
Upper power supply uses Chaoyang power supply 4NIC-Q480 24V20A Type Bs, and power supply uses Chaoyang power supply 4NIC- under the ball
Q480 24V20A Type Bs.
As shown in figure 1, at work, the analog signal of foil gauge output is sent to stress acquisition system, stress acquisition system
Analog signal is compensated, filter and processing formed data signal, data signal again pass through level conversion formed RS422 serial ports
There is corresponding station location marker signal, every group of collection point, are easy to data parsing and analysis.The numeral letter of stress acquisition system output
Number ball control computer is sent to by RS422 asynchronous serial ports, ball control computer uses PC104+FPGA architecture modes, will can gathered
Recombinated to data, be packed into the network information.The network information is transferred to wireless bridge on ball by interchanger on ball, entirely
System strain data amount is relatively low, only 3Kbps, and wireless bridge data transfer rate has 345Kbps on ball, and communication link is fully able to full
Sufficient transmission speed requirement.Wireless bridge under ball will be transferred under stress information by being wirelessly transferred, by interchanger under ball by number
According to floor treatment computer is transferred to, floor treatment computer will collect data and be analyzed, handled, preserved and be shown, right
Crucial point data more than threshold value is alarmed, and instructs operator on duty to make one's choice in time, it is ensured that the security of system.
In summary, the utility model completes soft material stress test using strain rosette and compensating plate, can in real time, standard
The really stressing conditions of measurement captive balloon at work；On the one hand by analyzing the data of collection, sphere structure is instructed
Design and the reasonability of mechanical analysis；On the other hand by monitoring the stressing conditions of key point in real time, balloon system is forecast in advance
Hiding unsafe factor, ensure the reliability and security of balloon.
Claims (5)
- A kind of 1. captive balloon ess-strain on-line measuring device, it is characterised in that：Including multiple two-way with stress acquisition system The foil gauge of communication, the foil gauge are made up of strain rosette and compensating plate, and stress acquisition system passes through RS422 and ball control computer Both-way communication, ball control computer is by wireless bridge both-way communication on interchanger on ball and ball, wireless bridge and nothing under ball on ball Wireless telecommunications between gauze bridge, wireless bridge and interchanger both-way communication under ball under ball, interchanger calculates with floor treatment under ball Machine both-way communication.
- 2. captive balloon ess-strain on-line measuring device according to claim 1, it is characterised in that：Also include supplying on ball Power supply, power supply is respectively to wireless on interchanger on foil gauge, stress acquisition system, ball control computer, ball and ball on ball Bridge is powered.
- 3. captive balloon ess-strain on-line measuring device according to claim 1, it is characterised in that：Also include supplying under ball Power supply, power supply is respectively to power supply for exchange under wireless bridge, ball under ball under ball.
- 4. captive balloon ess-strain on-line measuring device according to claim 1, it is characterised in that：The foil gauge is adopted With resistance strain plate, each stress collection point uses three-dimensional rectangular rosette, each foil gauge in three-dimensional rectangular rosette Resistance is 120 ohm, sensitivity coefficient 2.07.
- 5. captive balloon ess-strain on-line measuring device according to claim 1, it is characterised in that：The ball control calculates Machine uses the processing computer of PC104+FPGA frameworks, and the floor treatment computer uses the computers of DELL Vostro 260.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721227359.8U CN207163611U (en) | 2017-09-22 | 2017-09-22 | A kind of captive balloon ess-strain on-line measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721227359.8U CN207163611U (en) | 2017-09-22 | 2017-09-22 | A kind of captive balloon ess-strain on-line measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207163611U true CN207163611U (en) | 2018-03-30 |
Family
ID=61723773
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721227359.8U Active CN207163611U (en) | 2017-09-22 | 2017-09-22 | A kind of captive balloon ess-strain on-line measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207163611U (en) |
-
2017
- 2017-09-22 CN CN201721227359.8U patent/CN207163611U/en active Active
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