CN108303225A - A kind of portable rigidity data measures and processing system - Google Patents
A kind of portable rigidity data measures and processing system Download PDFInfo
- Publication number
- CN108303225A CN108303225A CN201710024044.1A CN201710024044A CN108303225A CN 108303225 A CN108303225 A CN 108303225A CN 201710024044 A CN201710024044 A CN 201710024044A CN 108303225 A CN108303225 A CN 108303225A
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- acquisition module
- data acquisition
- data
- processing system
- portable
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M5/00—Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings
- G01M5/0075—Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings by means of external apparatus, e.g. test benches or portable test systems
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M5/00—Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings
- G01M5/0083—Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings by measuring variation of impedance, e.g. resistance, capacitance, induction
Abstract
The invention discloses a kind of portable rigidity data measurement and processing systems, the system is suitble to the stiffness measurement of on-the-spot test object, can at the scene without AC220V power supplys in the case of use, system configurations are by the way of data acquisition module (slave computer) portable notebook computer (host computer), signal is carried out processing and calculated rigidity passes to host computer and displays data, stores and analyze by data collecting module collected power and displacement signal.Force snesor is detected using strain pressure transducer, detection deformational displacement sensor is using potentiometer displacement sensor.Sensor is connected to the voltage signal that data acquisition module is converted to standard by translation circuit.Microprocessor serial interface is converted into USB interface by converter and is connected with portable notebook computer (host computer).Power, displacement, the rigidity of acquisition are transferred to host computer and carry out display storage and processing.
Description
Technical field
The present invention relates to stiffness excitations technical field, especially a kind of portable rigidity data measures and processing system.
Background technology
Rigidity refers to the ability that material or structure resist flexible deformation in stress, is material or structural elasticity deformation difficulty or ease
The characterization of degree.Stiffness measurement equipment is typically the power by measuring material or structure application, and measures what applied force generated
Deformation i.e. linear displacement, by corresponding stiffness parameters are calculated.
It, will be at certain if some mechanical, bridges, building, aircraft or the naval vessel rigidity of structure are inadequate in engineering
There is unstability under the conditions of a little, it is therefore desirable to measure to the stiffness parameters of material or structure.Stiffness measurement is applied to be led in building
Domain mainly includes maintenance, detection, monitoring or the reinforcing engineering etc. of building structure.Many mechanical equipments are also required to component
Stiffness parameters measure, such as die casting machine, hydraulic press, ceramic machinery, spring mechanical, woodworking machinery, plank equipment, printing machine
Tool, machine tool, coal equipment, hanging device etc..
There are mainly two types of forms for stiffness measurement equipment at present：
One is the rigidity data measuring systems (such as Fig. 1) of digital instrument composition.Power and displacement sensor will be corresponding non-
Electricity conversion is electric signal.Signal accesses digital instrument and corresponding rigidity value is calculated by acquisition and is shown on digitizing tablet
It shows to come, the numerical value of display is the instantaneous value of current rigidity.This measuring apparatus is easy to carry, cheap, is suitble to scene
The measurement of stiffness parameters, but do not have the function that storage preserved and automatically recorded data, it needs manually to make a copy of.
Another kind is the computer rigidity data acquisition system of installation data capture card composition inside desktop computer (as schemed
2).Power and displacement sensor are transformed into the voltage or current signal access data collecting card of standard by transmitter.Computer will
The power and displacement data of acquisition are handled and calculate corresponding rigidity value, can show the instantaneous of these data on the screen
Value can also draw the trend of its variation in graph form.The data of acquisition can preserve in the form of a file, be used for
The analysis and application in later stage.The detecting system of this mode is typically used in dedicated stiffness excitations equipment or special
Experimental facilities on.Major defect is higher price, have a single function, on-the-spot test is inconvenient to carry, needs AC220V power supplys.
Invention content
The purpose of the present invention is to solve rigidity digital measuring instrument system function is simple, data cannot be deposited
Storage, record and processing, are to solve computer rigidity data acquisition system higher price, work(the problem of needing manually to make a copy of
Energy is single, on-the-spot test carries and movement is inconvenient, needs the problem of AC220V power supplys.For above two stiffness measurement scheme
Existing defect provides a kind of portable rigidity data and measures and processing system.
The technical scheme is that：A kind of portable rigidity data measures and processing system, this system structure use number
According to the mode of acquisition module (slave computer)-mobile computing (host computer), including force snesor, displacement sensor, data
Acquisition module and mobile computing, the force snesor are connect with data acquisition module, institute's displacement sensors and data
Acquisition module connects, and the data acquisition module is connect with mobile computing by USB；
The data acquisition module includes translation circuit 1, translation circuit 2, microprocessor, LCD display unit, button electricity
The output end of road, serial ports USB conversion circuits and power supply, the force snesor is connect with translation circuit 1, institute's displacement sensors
Output end is connect with translation circuit 2, and the translation circuit 1 and translation circuit 2 are separately connected microprocessor, the microprocessor with
LCD display unit connects, and the output end of the key circuit and the input terminal of microprocessor connect, the serial ports USB conversions electricity
Road is connect with microprocessor, and the power supply is connect by USB interface with mobile computing, and the mobile computing is also
It is connect with serial ports USB conversion circuits.
Further, the force snesor is using strain spoke type force snesor, model SIN-LCLY.
Further, institute's displacement sensors use conductive plastic potentiometer displacement sensor, model KTR-B series.
Further, the translation circuit 1 is using the dedicated integrated instrumentation amplifier AD623 of single supply.
Further, the translation circuit 2 is using the R-U translation circuits being made of single supply op LM358.
Further, the model of the microprocessor is CC2530.
Further, the serial ports USB conversion circuits turn USB control chips PL2303 using RS232.
Further, the function of the data acquisition module includes standby mode, parameter setting mode and data acquisition module
Formula.
Further, the application software of the mobile computing is worked out by Lebview.
Compared with prior art, the beneficial effects of the invention are as follows：
(1) present invention has many advantages, such as that small, light weight and cost is low, reliability is high, power consumption is small, function is strong, is applicable in
In portable use.
(2) data acquisition module of the invention is convenient connect with laptop, can in real time upload data and realize number
According to display and record, the storage and analysis of data.
(3) data acquisition module of the invention uses low power dissipation design, and whole part power supply is using notebook electricity
The power supply that brain USB interface provides, therefore can be used in the case of no AC220V power supplys.
Description of the drawings
Fig. 1 is the block diagram of digital displaying meter rigidity acquisition system.
Fig. 2 is the block diagram of computer rigidity data acquisition system.
Fig. 3 is the system schematic of the present invention.
Fig. 4 is the block diagram of the DATA REASONING and processing system acquisition module of the present invention.
Fig. 5 is the host computer procedure flow chart of the present invention.
Fig. 6 is the circuit diagram of the present invention.
Specific implementation mode
The present invention is further illustrated with reference to the accompanying drawings and examples.
As shown, a kind of portable rigidity data measures and processing system, including force snesor, displacement sensor, number
According to acquisition module and mobile computing；
Data acquisition module includes translation circuit 1, translation circuit 2, microprocessor, LCD display unit, key circuit, string
Mouth USB conversion circuits and power supply, the output end of force snesor are connect with translation circuit 1, the output end of displacement sensor and transformation
Circuit 2 connects, and translation circuit 1 and translation circuit 2 are separately connected microprocessor, and microprocessor is connect with LCD display unit, button
The output end of circuit and the input terminal of microprocessor connect, and serial ports USB conversion circuits are connect with microprocessor, and power supply passes through USB
Interface is connect with mobile computing, and mobile computing is also connect with serial ports USB conversion circuits.
Force snesor using strain spoke type force snesor, model SIN-LCLY, range can be needed according to measurement select 1T,
5T, 10T, 20T, 50T etc..Other technologies parameter includes 2.0 ± 0.05mV/V of sensitivity, precision 0.1%, output resistance 750 ± 5
Ω, nonlinearity≤± 0.03%FS.Power is changed into the variation of resistance-strain sheet resistance by force snesor.
Displacement sensor uses conductive plastic potentiometer displacement sensor, and model KTR-B series, range journey can be according to measurement
Need to select 5mm, 10mm, 20mm, 50mm, 100mm etc., linear precision error≤± 0.05%FS, repeatability error≤
0.005mm, potentiometer resistance value have 1K, 2K, 5K.Displacement is converted into potentiometer resistance variation by displacement sensor.
Data acquisition module is the core component of data collecting system.Mould is passed through in the output of force snesor foil gauge full-bridge circuit
Block internal signal translation circuit 1 is transformed into the voltage signal of standard, and translation circuit 1 is used using the dedicated integration instrument of single supply
Amplifier AD623；The resistance signal of displacement sensor output is converted to the voltage signal of standard, transformation electricity by translation circuit 2
The R-U translation circuits that road 2 is formed using single supply op LM358.
As the core element microprocessor of acquisition and control using CC2530, the special control core as ZigBee
Piece CC2530 is a 8 high performance low-power microprocessors.CC2530 has 12 of the input of 8 tunnels and configurable resolution ratio
ADC has the powerful USART for supporting a variety of serial communication protocols, has been internally integrated the SRAM of super low-power consumption and non-volatile
Program storage.Other than save routine code and constant, nonvolatile memory, which allows application program to preserve, to be retained
Data.12 ADC conversion accuracies that CC2530 is internally integrated meet system requirements for the acquisition precision of power and displacement signal.
Internal non-volatile memory can be with storage system arrange parameter.Be internally integrated USART be configured as a UART for
The serial-port communication of position machine.UART asynchronous serial communications interface by RS232 turns USB and controls chip PL2303 to be converted into USB and connect
Mouthful.Data acquisition module is connected by USB line with portable notebook computer, and host computer notebook electricity can be transferred data to
Brain.
LCD display unit uses 3.3V 1602LCD display modules, and there is lower power consumption and stronger character to show work(
Can, in no backlight, power consumption electric current is only 2.3mA.Keyboard is used for function key and parameter setting.
Since data module is using low power dissipation design, module for power supply is provided by USB interface, simplifies power supply
Design.USB supply voltage+5V, inside modules power circuit use low pressure difference linearity translation circuit, by+5V voltage transformations at+
3.3V voltages are used for digital circuit.Since entire data acquisition module uses low power dissipation design, whole part power supply uses
Be power supply that laptop USB interface provides, therefore whole system can use in the case of no AC220V power supplys.
Data acquisition module divides three kinds of operating modes 1. standby mode by function：It is waited for adopting without data
Collection, also without data processing and transmission.It is in this state after starting power up and resetting, is mainly used for adjusting displacement at this time
The position of sensor, the state of augmentor work.2. parameter setting mode：Enter parameter setting interface (mould by function key
Formula), the measuring range parameters of sensor can be changed, guarantee is consistent with the sensor actually selected, and is preserved when exiting this pattern
Corresponding parameter.3. data acquisition scheme：Enter data acquisition scheme, first progress power and the zero of displacement certainly by function key
Dynamic calibration, subsequently into data acquisition state, the displacement of acquisition and power are by being calculated instantaneous rigidity.If host computer into
Enter communication and determines that state, data can continuously upload to host computer.Augmentor can be started at this time, continuously measure displacement, power
With the change procedure of rigidity, and instantaneous value is shown on the lcd panel.
Host computer data acquire and data processing interface applications software is worked out by Lebvi ew.Including data acquisition
Interface and data processing sub-interface can select different interfaces by tabs.Data acquisition interface includes mainly communication ends
The selection of mouth, the determination and cancellation of communication.When data acquisition module is in data acquisition scheme, selection communication confirming button,
The data of acquisition can upload in real time.The power of acquisition and displacement parameter show with curve form with changing over time, simultaneously
Show that instantaneous value, power and displacement show that relation curve, rigidity signal are aobvious with digital form with the mode of XY figures in digital form
Show instantaneous value.Power, displacement and rigidity can select to be saved with Excel file form.Data processing is selected by tabs
Sub-interface can be transferred the power of different preservations and the XY figures of displacement by dialog box under this interface and be shown in the same coordinate system
It shows to come, for comparing and data analysis, as shown in figure 5, the acquisition of host computer data and flow chart of data processing figure.
It is enlightenment with above-mentioned desirable embodiment according to the present invention, through the above description, relevant staff is complete
Various changes and amendments can be carried out without departing from the scope of the technological thought of the present invention' entirely.The technology of this invention
Property range is not limited to the contents of the specification, it is necessary to determine its technical scope according to right.
Claims (8)
1. a kind of portable rigidity data measures and processing system, this system structure uses data acquisition module (slave computer)-just
Take the mode of laptop (host computer), which is characterized in that including force snesor, displacement sensor, data acquisition module and
Mobile computing, the force snesor are connect with data acquisition module, and institute's displacement sensors connect with data acquisition module
It connects, the data acquisition module is connect with mobile computing by USB；
The data acquisition module includes translation circuit 1, translation circuit 2, microprocessor, LCD display unit, key circuit, string
Mouth USB conversion circuits and power supply, the output end of the force snesor are connect with translation circuit 1, the output of institute's displacement sensors
End is connect with translation circuit 2, and the translation circuit 1 and translation circuit 2 are separately connected microprocessor, the microprocessor and LCD
Display unit connects, and the input terminal of the output end of the key circuit and microprocessor connects, the serial ports USB conversion circuits with
Microprocessor connects, and the power supply connect by USB interface with mobile computing, the mobile computing also with string
Mouth USB conversion circuits connection, the data acquisition module power supply power supply are provided by mobile computing USB line.
2. a kind of portable rigidity data according to claim 1 measures and processing system, which is characterized in that the transformation
Circuit 1 is using the dedicated integrated instrumentation amplifier AD623 of single supply.
3. a kind of portable rigidity data according to claim 1 measures and processing system, which is characterized in that the transformation
Circuit 2 is using the R-U translation circuits being made of single supply op LM358.
4. a kind of portable rigidity data according to claim 1 measures and processing system, which is characterized in that micro- place
The model for managing device is CC2530, for controlling data acquisition process and data serial transmission.
5. a kind of portable rigidity data according to claim 1 measures and processing system, which is characterized in that the serial ports
USB conversion circuits turn USB control chips PL2303 using RS232.
6. a kind of portable rigidity data according to claim 1 measures and processing system, which is characterized in that the data
Acquisition module uses low power dissipation design, is powered by the USB+5V of mobile computing, no AC220V power supplys the case where
Lower use.
7. a kind of portable rigidity data according to claim 1 measures and processing system, which is characterized in that the data
The function of acquisition module includes standby mode, parameter setting mode and data acquisition scheme.
8. a kind of portable rigidity data according to claim 1 measures and processing system, which is characterized in that described portable
The application software of laptop is worked out by Lebview.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710024044.1A CN108303225A (en) | 2017-01-13 | 2017-01-13 | A kind of portable rigidity data measures and processing system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710024044.1A CN108303225A (en) | 2017-01-13 | 2017-01-13 | A kind of portable rigidity data measures and processing system |
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| CN108303225A true CN108303225A (en) | 2018-07-20 |
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| CN201710024044.1A Pending CN108303225A (en) | 2017-01-13 | 2017-01-13 | A kind of portable rigidity data measures and processing system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111964854A (en) * | 2020-07-28 | 2020-11-20 | 北京建筑大学 | System and method for monitoring and evaluating service state of steel spring of floating slab track bed |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101419442A (en) * | 2008-12-08 | 2009-04-29 | 浙江大学 | Portable elevator dynamic characteristic data acquisition unit based on USB interface |
| CN101660406A (en) * | 2009-09-28 | 2010-03-03 | 北京信息科技大学 | Memory-type pressure acquisition system and oil well pressure acquisition method thereof |
| CN102152173A (en) * | 2011-02-24 | 2011-08-17 | 大连理工大学 | System for testing relative dynamic stiffness of complete machine in processing center |
| CN202757747U (en) * | 2012-08-28 | 2013-02-27 | 同济汽车设计研究院有限公司 | Car body static rigidity measure system |
| CN103217703A (en) * | 2013-04-11 | 2013-07-24 | 中国科学院武汉岩土力学研究所 | Method and device for tunnel advance geology forecast with tunnel face blasting as focus |
| CN104048820A (en) * | 2014-06-19 | 2014-09-17 | 湖南高速铁路职业技术学院 | Railroad sleeper detection data acquisition device and system |
| CN206583586U (en) * | 2017-01-13 | 2017-10-24 | 天津城建大学 | A kind of portable rigidity data measurement and processing system |
-
2017
- 2017-01-13 CN CN201710024044.1A patent/CN108303225A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101419442A (en) * | 2008-12-08 | 2009-04-29 | 浙江大学 | Portable elevator dynamic characteristic data acquisition unit based on USB interface |
| CN101660406A (en) * | 2009-09-28 | 2010-03-03 | 北京信息科技大学 | Memory-type pressure acquisition system and oil well pressure acquisition method thereof |
| CN102152173A (en) * | 2011-02-24 | 2011-08-17 | 大连理工大学 | System for testing relative dynamic stiffness of complete machine in processing center |
| CN202757747U (en) * | 2012-08-28 | 2013-02-27 | 同济汽车设计研究院有限公司 | Car body static rigidity measure system |
| CN103217703A (en) * | 2013-04-11 | 2013-07-24 | 中国科学院武汉岩土力学研究所 | Method and device for tunnel advance geology forecast with tunnel face blasting as focus |
| CN104048820A (en) * | 2014-06-19 | 2014-09-17 | 湖南高速铁路职业技术学院 | Railroad sleeper detection data acquisition device and system |
| CN206583586U (en) * | 2017-01-13 | 2017-10-24 | 天津城建大学 | A kind of portable rigidity data measurement and processing system |
Non-Patent Citations (1)
| Title |
|---|
| 杨晓: "YS-01型聚氨酯压缩强度测试仪的研制", 聚氨酯工业, no. 03, pages 196 - 199 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111964854A (en) * | 2020-07-28 | 2020-11-20 | 北京建筑大学 | System and method for monitoring and evaluating service state of steel spring of floating slab track bed |
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