CN206583586U - A kind of portable rigidity data measurement and processing system - Google Patents
A kind of portable rigidity data measurement and processing system Download PDFInfo
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- CN206583586U CN206583586U CN201720038142.6U CN201720038142U CN206583586U CN 206583586 U CN206583586 U CN 206583586U CN 201720038142 U CN201720038142 U CN 201720038142U CN 206583586 U CN206583586 U CN 206583586U
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- data acquisition
- acquisition module
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- processing system
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Abstract
The utility model discloses a kind of portable rigidity data measurement and processing system, the system is adapted to the stiffness measurement of on-the-spot test object, it can use at the scene in the case of no AC220V power supplys, system configurations are by the way of data acquisition module (slave computer) portable notebook computer (host computer), data collecting module collected power and displacement signal, signal is handled and calculated rigidity passes to host computer and carries out data display, storage and analysis.Detection force snesor uses strain pressure transducer, and detection deformational displacement sensor uses 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 collection are transferred to host computer and carry out showing storage and processing.
Description
Technical field
The utility model is related to stiffness excitations technical field, especially a kind of portable rigidity data measurement and processing system
System.
Background technology
Rigidity refers to the ability that material or structure resist elastic deformation in stress, is material or structural elasticity deformation difficulty or ease
The sign of degree.The power that stiffness measurement equipment applies typically by measurement material or structure, and measurement applying power generation
I.e. deformation linear displacement, corresponding stiffness parameters are obtained by calculating.
, will be at certain if some mechanical, bridges, building, aircraft or the naval vessel rigidity of structure are not enough in engineering
There is unstability under the conditions of a little, it is therefore desirable to which the stiffness parameters of material or structure are measured.Stiffness measurement is applied in building neck
Domain is mainly in terms of the maintenance including building structure, detection, monitoring or reinforcing engineering.Many plant equipment are also required to part
Stiffness parameters are measured, such as die casting machine, hydraulic press, ceramic machinery, spring mechanical, woodworking machinery, sheet material equipment, printing machine
Tool, machine tool, coal equipment, hanging device etc..
Current stiffness measurement equipment mainly has two kinds of forms：
A kind of is the rigidity data measuring system (such as Fig. 1) of digital instrument composition.Power and displacement transducer will be corresponding non-
Electricity conversion is electric signal.Signal access digital instrument obtains corresponding rigidity value by collection calculating and shown on digitizing tablet
Show to come, the numerical value of display is the instantaneous value of current rigidity.This measuring apparatus is easy to carry, cheap, is adapted to scene
The measurement of stiffness parameters, but do not possess storage and preserve the function with automatic record data, it is necessary to manually make a copy of.
Another computer rigidity data acquisition system for being installation data capture card composition inside desktop computer is (as schemed
2).Power and displacement transducer are transformed into the voltage or current signal access data collecting card of standard by transmitter.Computer will
The power and displacement data of collection are handled and calculate corresponding rigidity value, and the instantaneous of these data can be shown on screen
Value, the trend of its change can also be drawn in graph form.The data of collection can be preserved 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 special stiffness excitations equipment, or special
Experimental facilities on.Major defect is that price is higher, function is single, on-the-spot test carries inconvenience, needs AC220V power supplys.
Utility model content
The purpose of this utility model is simple in order to solve rigidity digital measuring instrument systemic-function, it is impossible to which data are carried out
Storage, record and processing, it is necessary to the problem of manually making a copy of, be in order to solve computer rigidity data acquisition system price it is higher,
The problem of function is single, on-the-spot test is carried and moves inconvenience, need AC220V power supplys.For above two stiffness measurement side
There is provided a kind of portable rigidity data measurement and processing system for defect present in case.
The technical solution of the utility model is：A kind of portable rigidity data measurement and processing system, the system structure are adopted
With the mode of data acquisition module (slave computer)-mobile computing (host computer), including force snesor, displacement transducer,
Data acquisition module and mobile computing, the force snesor are connected with data acquisition module, institute's displacement sensors with
Data acquisition module is connected, and the data acquisition module is connected with mobile computing by USB；
The data acquisition module includes translation circuit 1, translation circuit 2, microprocessor, LCD display unit, button electricity
Road, serial ports USB change-over circuits and power supply, the output end of the force snesor are connected with translation circuit 1, institute's displacement sensors
Output end is connected with translation circuit 2, and the translation circuit 1 and translation circuit 2 connect microprocessor respectively, the microprocessor with
LCD display unit is connected, and the output end of the key circuit and the input of microprocessor are connected, the serial ports USB conversions electricity
Road is connected with microprocessor, and the power supply is connected by USB interface with mobile computing, and the mobile computing is also
It is connected with serial ports USB change-over circuits.
Further, the force snesor is using strain radial force snesor, model SIN-LCLY.
Further, institute's displacement sensors use conductive plastic potentiometer displacement transducer, model KTR-B series.
Further, the translation circuit 1 is using the special integrated instrumentation amplifier AD623 of single supply.
Further, the translation circuit 2 uses the R-U translation circuits being made up of single supply op LM358.
Further, the model of the microprocessor is CC2530.
Further, the serial ports USB change-over circuits use RS232 and turn USB control chips PL2303.
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 utility model are：
(1) the utility model has the advantages that small volume, lightweight, cost are low, reliability is high, power consumption is small, function is strong,
Suitable for portable use.
(2) data acquisition module of the present utility model is convenient is connected with notebook computer, in real time can upload data and real
The display of existing data and record, the storage and analysis of data.
(3) data acquisition module of the present utility model employs low power dissipation design, and whole part, which is powered, uses notes
The power supply that this computer USB interface is provided, therefore can be used in the case of no AC220V power supplys.
Brief 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 system schematic of the present utility model.
Fig. 4 is the block diagram of DATA REASONING of the present utility model and processing system acquisition module.
Fig. 5 is host computer procedure flow chart of the present utility model.
Fig. 6 is circuit diagram of the present utility model.
Embodiment
The utility model is further described with reference to the accompanying drawings and examples.
As illustrated, a kind of portable rigidity data measurement and processing system, including force snesor, displacement transducer, 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 change-over circuits and power supply, the output end of force snesor are connected with translation circuit 1, the output end of displacement transducer and conversion
Circuit 2 is connected, and translation circuit 1 and translation circuit 2 connect microprocessor respectively, and microprocessor is connected with LCD display unit, button
The output end of circuit and the input of microprocessor are connected, and serial ports USB change-over circuits are connected with microprocessor, and power supply passes through USB
Interface is connected with mobile computing, and mobile computing is also connected with serial ports USB change-over circuits.
Force snesor using strain radial force snesor, model SIN-LCLY, range can be needed according to measurement selection 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 change of resistance-strain sheet resistance by force snesor.
Displacement transducer uses conductive plastic potentiometer displacement transducer, and model KTR-B is serial, and range journey can be according to measurement
Need selection 5mm, 10mm, 20mm, 50mm, 100mm etc., linear precision error≤± 0.05%FS, repeatability error≤
0.005mm, potentiometer resistance value has 1K, 2K, 5K.Displacement is converted into potentiometer resistance change by displacement transducer.
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 uses the special integration instrument of single supply and used
Amplifier AD623；The resistance signal of displacement transducer output is converted to the voltage signal of standard, conversion electricity by translation circuit 2
The R-U translation circuits that road 2 is constituted using single supply op LM358.
CC2530 is used as the core parts microprocessor of collection and control, ZigBee special control core is used as
Piece CC2530 is a 8 high performance low-power microprocessors.CC2530 inputs and can configure 12 of resolution ratio with 8 tunnels
ADC, with the powerful USART for supporting a variety of serial communication protocols, it has been internally integrated the SRAM of super low-power consumption and non-volatile
Program storage.In addition to 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 be used for
The serial-port communication of position machine.UART asynchronous serial communications interface turns USB control chips PL2303 by RS232 and is converted into USB to connect
Mouthful.Data acquisition module is connected by USB line with portable notebook computer, can transfer data to host computer notebook electricity
Brain.
LCD display unit uses 3.3V 1602LCD display modules, and work(is shown with relatively low power consumption and stronger character
Can, in no backlight, power consumption electric current is only 2.3mA.Keyboard is used for function key and parameter setting.
Because data module uses low power dissipation design, therefore, 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 into+
3.3V voltages are used for digital circuit.Because whole data acquisition module employs low power dissipation design, whole part is powered use
Be power supply that notebook computer USB interface is provided, therefore whole system can use in the case of no AC220V power supplys.
Data acquisition module divides three kinds of mode of operations 1. standby mode by function：It is waited for adopting without data
Collection, also without data processing and transmission.This state is in after starting power up and resetting, is now mainly used for adjusting displacement
The position of sensor, the state of augmentor work.2. parameter setting mode：Parameter setting interface (mould is entered by function key
Formula), the measuring range parameters of sensor can be changed, it is ensured that consistent with the actual sensor selected, be preserved when exiting this pattern
Corresponding parameter.3. data acquisition scheme：Data acquisition scheme, first progress power and the zero point of displacement are entered certainly by function key
Dynamic calibration, subsequently into data acquisition state, the displacement of collection and power obtain instantaneous rigidity by calculating.If host computer enters
Enter to communicate determination state, data can continuously upload to host computer.Augmentor can now be started, displacement, power is continuously measured
With the change procedure of rigidity, and instantaneous value is shown on the lcd panel.
Host computer data acquisition and data processing interface applications software are worked out by Lebview.Including data acquisition
Interface and data processing sub-interface, can select different interfaces by tab.Data acquisition sub-interface is mainly included, 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 collection can be uploaded in real time.The power and displacement parameter of collection shows with curve form with changing over time, simultaneously
Instantaneous value is shown in digital form, and power and displacement show relation curve with the mode of XY figures, and rigidity signal is aobvious with digital form
Show instantaneous value.Power, displacement and rigidity can select to be saved with Excel file form.Data processing is selected by tab
Sub-interface, can be transferred the power of different preservations and the XY figures of displacement by dialog box under this interface and shown in the same coordinate system
Show to come, for comparing and data analysis, as shown in figure 5, host computer data acquisition and flow chart of data processing figure.
Using it is above-mentioned according to desirable embodiment of the present utility model as enlightenment, pass through above-mentioned description, related work people
Member can carry out various changes and amendments in the range of without departing from this utility model technological thought completely.This reality
The content on specification is not limited to new technical scope, it is necessary to its technology is determined according to right
Property scope.
Claims (8)
1. a kind of portable rigidity data measurement and processing system, the system structure use data acquisition module-Portable notebook
The mode of computer, it is characterised in that including force snesor, displacement transducer, data acquisition module and mobile computing, institute
State force snesor to be connected with data acquisition module, institute's displacement sensors are connected with data acquisition module, the data acquisition module
Block is connected 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 change-over circuits and power supply, the output end of the force snesor are connected with translation circuit 1, the output of institute's displacement sensors
End is connected with translation circuit 2, and the translation circuit 1 and translation circuit 2 connect microprocessor, the microprocessor and LCD respectively
Display unit is connected, and the input of the output end of the key circuit and microprocessor is connected, the serial ports USB change-over circuits with
Microprocessor is connected, and the power supply is connected by USB interface with mobile computing, the mobile computing also with string
Mouth USB change-over circuit connections, the data acquisition module power supply is powered to be provided by mobile computing USB line.
2. a kind of portable rigidity data measurement according to claim 1 and processing system, it is characterised in that the conversion
Circuit 1 is using the special integrated instrumentation amplifier AD623 of single supply.
3. a kind of portable rigidity data measurement according to claim 1 and processing system, it is characterised in that the conversion
Circuit 2 uses the R-U translation circuits being made up of single supply op LM358.
4. a kind of portable rigidity data measurement according to claim 1 and processing system, it is characterised in that micro- place
The model for managing device is CC2530, for control data acquisition process and data serial transmission.
5. a kind of portable rigidity data measurement according to claim 1 and processing system, it is characterised in that the serial ports
USB change-over circuits use RS232 and turn USB control chips PL2303.
6. a kind of portable rigidity data measurement according to claim 1 and processing system, it is characterised in that the data
Acquisition module uses low power dissipation design, is powered by the USB+5V of mobile computing, in the situation without AC220V power supplys
Under use.
7. a kind of portable rigidity data measurement according to claim 1 and processing system, it is characterised 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 measurement according to claim 1 and processing system, it is characterised in that described portable
What the application software of notebook computer was worked out by Lebview.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720038142.6U CN206583586U (en) | 2017-01-13 | 2017-01-13 | A kind of portable rigidity data measurement and processing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720038142.6U CN206583586U (en) | 2017-01-13 | 2017-01-13 | A kind of portable rigidity data measurement and processing system |
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| Publication Number | Publication Date |
|---|---|
| CN206583586U true CN206583586U (en) | 2017-10-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720038142.6U Expired - Fee Related CN206583586U (en) | 2017-01-13 | 2017-01-13 | A kind of portable rigidity data measurement and processing system |
Country Status (1)
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108037703A (en) * | 2017-12-15 | 2018-05-15 | 中国航发沈阳黎明航空发动机有限责任公司 | The portable calibrating installation and calibration method of angular displacement sensor installation site |
| CN108303225A (en) * | 2017-01-13 | 2018-07-20 | 天津城建大学 | A kind of portable rigidity data measures and processing system |
-
2017
- 2017-01-13 CN CN201720038142.6U patent/CN206583586U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108303225A (en) * | 2017-01-13 | 2018-07-20 | 天津城建大学 | A kind of portable rigidity data measures and processing system |
| CN108037703A (en) * | 2017-12-15 | 2018-05-15 | 中国航发沈阳黎明航空发动机有限责任公司 | The portable calibrating installation and calibration method of angular displacement sensor installation site |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171024 Termination date: 20210113 |