CN209069258U - A kind of deformation measuring device - Google Patents
A kind of deformation measuring device Download PDFInfo
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- CN209069258U CN209069258U CN201822202235.5U CN201822202235U CN209069258U CN 209069258 U CN209069258 U CN 209069258U CN 201822202235 U CN201822202235 U CN 201822202235U CN 209069258 U CN209069258 U CN 209069258U
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- data acquisition
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- acquisition device
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Abstract
The utility model provides a kind of deformation measuring device, including industrial personal computer, PLC controller, multi-channel data acquisition device and distortion measurement instrument；The industrial personal computer is instructed for sending test to PLC controller, and handles the measurement data of PLC controller upload；Test instruction is programmed conversion and is sent to multi-channel data acquisition device by the PLC controller, and acquires measurement data；The multi-channel data acquisition device, which connects and controls a plurality of distortion measurement instrument, carries out distortion measurement, and acquires measurement data and uploaded；A plurality of distortion measurement instrument are respectively arranged on mechanical component to be tested.The utility model is realized to the real-time measurement of multiple bolt deformation quantities and permanent set amount in the installation process of pressure vessel, to assess whether the installation of pressure vessel meets installation standard.
Description
Technical field
The utility model relates to mechanical measurement technique field, in particular to a kind of deformation measuring device.
Background technique
The pressure vessel of nuclear power plant reactor is usually relatively large nuclear leve facility, and installation process has certain complexity
Property, it is easy to impact the quality of pressure vessel during the installation process, therefore its mounting technique must be highly developed.Pressure
Container generally comprises container cap and shell two parts, during installation, needs the top cover flange and container of container cap
The shell flange of cylinder is aligned, and the center line of two flanges is made to reach an agreement, and then passes through bolt for top cover flange and shell flange
It is fixed, and needs to guarantee the leakproofness between top cover flange and shell flange during fixation.
Since the quantity of bolt is more, volume is larger, in the fastener cycle to bolt, often through hydraulic strain device
External force directly is applied to bolt and carries out stretching adjusting, bolt is made to generate deformation to achieve the purpose that fastening.Therefore, in order to guarantee to press
The validity of force container installation, during the installation process, need to bolt deformation quantity during stretching and permanent set amount into
Row measurement, to assess whether the installation of pressure vessel meets installation standard.
Utility model content
In view of this, the main purpose of the utility model is to provide a kind of deformation measuring device, by by multiple deformation
Measuring instrumentss are respectively arranged at the bolt of pressure vessel, carry out real-time measurement to the deformation quantity of bolt, and pass through multichannel data
Collector carries out data acquisition and is uploaded to industrial personal computer and is analyzed and processed, thus realize it is right in the installation process of pressure vessel
The real-time measurement of multiple bolt deformation quantities and permanent set amount, to assess whether the installation of pressure vessel meets installation standard.
The technical solution adopted in the utility model is a kind of deformation measuring device, including industrial personal computer, PLC controller, multichannel
Data collector and distortion measurement instrument；
The industrial personal computer is instructed for sending test to PLC controller, and handles the measurement data of PLC controller upload；
Test instruction is programmed conversion and is sent to multi-channel data acquisition device by the PLC controller, and acquires survey
Measure data；
The multi-channel data acquisition device, which connects and controls a plurality of distortion measurement instrument, carries out distortion measurement, and acquires measurement
Data are uploaded；
A plurality of distortion measurement instrument are respectively arranged on mechanical component to be tested.
By upper, by the way that multiple distortion measurement instrument are respectively arranged at the bolt of pressure vessel, to the deformation quantity of bolt
Real-time measurement is carried out, and carries out data acquisition by multi-channel data acquisition device and be uploaded to industrial personal computer by PLC controller to carry out
Analysis processing, to realize the real-time survey in the installation process of pressure vessel to multiple bolt deformation quantities and permanent set amount
Amount improves mounting technique level, ensures the quality of pressure vessel to guarantee that pressure vessel installation process meets installation standard.
Wherein, the multi-channel data acquisition device includes:
A plurality of instrumentation taps carry out data for being separately connected the distortion measurement instrument using aviation plug interface
And state transfer；
Processor chips connect the instrumentation tap, for the distortion measurement instrument to be acquired and uploaded according to certain frequency
The measurement data of table.
By upper, which can connect multiple distortion measurement instrument by the way that multiple instrumentation taps are arranged simultaneously,
Test while to realize multiple bolts is saved cost, is improved efficiency.
Wherein, the multi-channel data acquisition device further include:
A plurality of switch interfaces connect the processor chips by address latch, for distinguishing transmission relqy
On-off state.
By upper, the multi-channel data acquisition device is internal to be connected by address latch by setting multiple switch amount interface
It is external that relay switch is connected by shielded cable to processor chips, it acquires on-off model and is uploaded to industrial personal computer, with prison
Control the operating status of deformation measuring device.
It is further improved, a plurality of instrumentation taps and a plurality of switch interfaces are arranged in the multi-channel data acquisition
On the shell of the shell of device.
It is integrated circuit inside multi-channel data acquisition device by upper, outside is a cuboid housing, by by instrumentation tap
It is set on external shell with switch interface, not only can guarantee internal circuit safety and stability, but also can be convenient for carrying, direct patch
Cable carries out using the service life of guarantee equipment under outdoor complicated installation environment.
It is further improved, the PLC controller connects a plurality of multi-channel data acquisition devices by Modbus bus serial.
By upper, Modbus is a kind of serial communication protocol, allows multiple equipment to be connected on the same network and is communicated,
The PLC controller is successively connected in series a plurality of multi-channel data acquisition devices, each multi-channel data acquisition device by Modbus bus
Multiple distortion measurement instrument are connected simultaneously again, to realize the real-time distortion measurement to multiple bolts in pressure vessel installation.
Detailed description of the invention
Fig. 1 is the hardware block diagram of the utility model deformation measuring device；
Fig. 2 is the external interface arrangement schematic diagram of the utility model multi-channel data acquisition device；
Fig. 3 is the module diagram of the internal circuit of the utility model multi-channel data acquisition device；
Fig. 4 is the circuit block diagram of the utility model deformation measuring device.
Specific embodiment
Since the pressure vessel of nuclear power plant reactor includes that container cap and shell two parts need during installation
The shell flange of the top cover flange of container cap and shell is aligned, so that the center line of two flanges is reached an agreement, then leads to
It crosses bolt and is sealed top cover flange with shell flange with sealing ring and be fixedly connected, and the adjusting of bolt mainly passes through hydraulic drawing
Stretch device and carry out stretching adjusting, will cause a degree of deformation of bolt during stretching, therefore, the utility model it is main
It is designed to provide a kind of deformation measuring device, by the bolt that multiple distortion measurement instrument are respectively arranged in pressure vessel
Place carries out real-time measurement to the deformation quantity of bolt, and carries out data acquisition by multi-channel data acquisition device and be uploaded to industrial personal computer
It is analyzed and processed, to realize the real-time survey in the installation process of pressure vessel to bolt deformation quantity and permanent set amount
Amount, to assess whether the installation of pressure vessel meets installation standard.
Referring to the drawings below, the structure and working principle of the utility model is described in detail.
As shown in Figure 1, deformation measuring device provided by the utility model specifically includes that
Industrial personal computer 100 is used for human-computer interaction, sends test instruction, and handle measurement data；
PLC controller 200, i.e. programmable logic controller (PLC) receive the test instruction of industrial personal computer 100, are instructed according to test
Control signal is generated and sent, control downstream test device carries out data acquisition, and the data of acquisition are uploaded to industrial personal computer
100；
A plurality of multi-channel data acquisition devices 300, each multi-channel data acquisition device 300 are separately connected and control a plurality of deformation
Measuring instrumentss 400 carry out distortion measurement, and acquire measurement data and uploaded；
In the present embodiment, the quantity of multi-channel data acquisition device 300 is 8, passes through Modbus bus and PLC controller 200
Connection, Modbus is a kind of serial communication protocol, allows multiple equipment to be connected on the same network and is communicated；Due to pressure
The top cover flange and shell flange of container are fastenedly connected by 58 bolts, therefore, 8 multi-channel data acquisition devices 300
The measurement that totally 58 distortion measurement instrument 400 carry out deformation quantity is connected and controls, which can be used electronics thousand
Point ruler, by being mounted at the bolt of pressure vessel, for the real-time measurement deformation quantity of 58 bolts during stretching and
Permanent set amount, to assess whether the installation of pressure vessel meets installation standard.
As shown in Fig. 2, the shell of each multi-channel data acquisition device 300 be a rectangular parallelepiped structure shell, shell front on
Portion is set there are three switch interface 310, and interface uses 15 needle serial ports, and the relay of the deformation measuring device is connected by shielding line
Device switch acquires on-off model and is uploaded to industrial personal computer, to monitor the operating status of deformation measuring device, cooperates and sets on shell
The indicator light set carries out the display of signal condition, to realize the long-range function of monitoring and alarm；
Eight instrumentation taps 320 are equipped among shell, using aviation plug interface, each interface can be independent by one
It customizes cable and connects the distortion measurement instrument 400, could support up eight distortion measurement instrument 400 of connection, realize measurement
The transmission of data；
Lower part of the housing is two power interfaces 330 and two communication interfaces 340, and one of power interface passes through connection one
External 24V power supply is the power supply of this multi-channel data acquisition device, and is the confession of next multi-channel data acquisition device by another power interface
Electricity, the communication interface use RS485 interface, and one of communication interface connects PLC controller 200 by Modbus bus and carries out
Communication, another communication interface are used to provide control signal for next multi-channel data acquisition device.
As shown in figure 3, the internal circuit configuration of the multi-channel data acquisition device is integrated on a circuit board, the core of the circuit board
Heart processing function realizes that the MCPU is connect by the communication that 485 telecommunication circuits connect surface of shell by a processor chips MCPU
Mouth 340, wherein 485 telecommunication circuits are two, wherein 485 telecommunication circuits connect Modbus bus by communication interface 340
It carries out communicating with PLC controller afterwards and data uploads, in addition other are more by the connection of communication interface 340 for 485 telecommunication circuits
Circuit-switched data collector is communicated；The multi-channel data acquisition device internal circuit further includes one 4 road address latch, and MCPU is by being somebody's turn to do
Address latch connects the switch interface 310 of surface of shell, for the safety for protecting the multi-channel data acquisition device, can also this 4
One 32 way switch amount optocouplers protection circuit is directly arranged in road address latch and switch interface；The MCPU also passes through the communication of 24 tunnels
Photoelectric coupled circuit connects instrumentation tap 320；In addition to this, which further includes that a 24V turns 5V module connection power interface
330, for providing operating voltage for internal circuit；
It is worth noting that being additionally provided with toggle switch inside the multi-channel data acquisition device being directly connected to PLC controller, lead to
It crosses manual operation and realizes the on-off communicated with PLC controller.
As shown in figure 4, deformation measuring device circuit connection during the work time and working principle are as follows:
Industrial personal computer and PLC controller carry out the transmission of manual control and measurement instruction as human-computer interaction layer；
That multi-channel data acquisition device being directly connected to the PLC controller receives PLC by Modbus bus
After the control instruction that controller is sent, the multi-channel data acquisition device of interconnection is distributed to by 485 communication protocols, it is more to guarantee
Platform equipment carries out data acquisition simultaneously；
MCPU carries out micro process, then according to every 300 after the acquisition instructions of the PLC controller programming conversion received
Millisecond wheel reads primary frequency wheel and reads instrumentation tap and switch interface, realizes the real-time reading of data, is measuring data
Reading when, communicated by micrometer instrumented data acquisition module with electronic microcalliper, read its measurement data；Carry out
When the reading of switching value data, the amount of the opening the light state of relay, the number of all readings are read by on-off state acquisition module
It is filled into specified array according to according to Modbus agreement, PLC controller is waited to read by Modbus bus and be uploaded to work
Control machine；
Industrial personal computer analyzes measurement data after receiving the measurement data of upload, determine bolt deformation quantity and
Whether permanent set amount is in zone of reasonableness, to assess whether pressure vessel meets installation standard during the installation process.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection scope within.
Claims (5)
1. a kind of deformation measuring device, which is characterized in that surveyed including industrial personal computer, PLC controller, multi-channel data acquisition device and deformation
Measure instrument；
The industrial personal computer is instructed for sending test to PLC controller, and handles the measurement data of PLC controller upload；
Test instruction is programmed conversion and is sent to multi-channel data acquisition device by the PLC controller, and by multichannel data
The measurement data of collector acquisition is uploaded；
The multi-channel data acquisition device, which connects and controls a plurality of distortion measurement instrument, carries out distortion measurement, and acquires a plurality of shapes
The measurement data for becoming measuring instrumentss is uploaded；
A plurality of distortion measurement instrument are respectively arranged on mechanical component to be tested.
2. the apparatus according to claim 1, which is characterized in that the multi-channel data acquisition device includes:
A plurality of instrumentation taps carry out data and shape for being separately connected the distortion measurement instrument using aviation plug interface
State transmission；
Processor chips connect the instrumentation tap, for the distortion measurement instrument to be acquired and uploaded according to certain frequency
Measurement data.
3. the apparatus of claim 2, which is characterized in that the multi-channel data acquisition device further include:
A plurality of switch interfaces connect the processor chips by address latch, for opening for transmission relqy respectively
Measure state in pass.
4. device according to claim 3, which is characterized in that a plurality of instrumentation taps and a plurality of switch interfaces
It is arranged on the shell of the shell of the multi-channel data acquisition device.
5. the apparatus according to claim 1, which is characterized in that the PLC controller is connected by Modbus bus serial
A plurality of multi-channel data acquisition devices.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822202235.5U CN209069258U (en) | 2018-12-26 | 2018-12-26 | A kind of deformation measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822202235.5U CN209069258U (en) | 2018-12-26 | 2018-12-26 | A kind of deformation measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209069258U true CN209069258U (en) | 2019-07-05 |
Family
ID=67102193
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822202235.5U Active CN209069258U (en) | 2018-12-26 | 2018-12-26 | A kind of deformation measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209069258U (en) |
-
2018
- 2018-12-26 CN CN201822202235.5U patent/CN209069258U/en active Active
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