CN109857042A - A kind of hot Combined Loading device data synchronous control system of power - Google Patents
A kind of hot Combined Loading device data synchronous control system of power Download PDFInfo
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- CN109857042A CN109857042A CN201910249627.3A CN201910249627A CN109857042A CN 109857042 A CN109857042 A CN 109857042A CN 201910249627 A CN201910249627 A CN 201910249627A CN 109857042 A CN109857042 A CN 109857042A
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- card module
- board card
- board
- main controller
- combined loading
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Abstract
The invention discloses a kind of hot Combined Loading device data synchronous control systems of power, including industrial control computer, it further include the main controller being connect with industrial control computer, main controller connects the first board card module and the second board card module, first board card module connects multi-channel thermocouple, second board card module connects multichannel foil gauge, and first board card module and the second board card module are made of one or more board respectively, and the clock of the board is identical as main controller clock.Synchronous acquisition temperature of the present invention, strain signal providing technical foundation for the hot Combined Loading temperature of power, the test of strain synchrodata and analysis, meanwhile, system reserve multi way temperature, strain signal interface, tests spare interface for system extension.
Description
Technical field
The present invention relates to data acquisition technology fields, and specifically, being that a kind of hot Combined Loading device data of power is synchronous controls
System processed.
Background technique
The hot Combined Loading equipment of power needs to carry out multiple channel test to multi-parameter, to study in power, hot Combined Loading environment
Under, the structural strength and mechanical behavior of component.Data acquisition block figure is as shown in Figure 1.Wherein, temperature, strain are most important surveys
Parameter is tried, needing to be distributed totally 108 thermocouples, foil gauge on product, as sensor, thermocouple signal send U.S. FLUKE public
The temperature data acquisition instrument of department, foil gauge signal are sent into the data acquisition instrument of HBM company, Germany.Temperature data acquisition instrument
There is 3 tunnels totally 60 channel, 60 thermocouple signals: the 20 channels/road road x3=60 channels can be collected.Strain data acquisition instrument has
3 tunnels totally 48 channel, can collect 48 foil gauge signals: the 16 channels/road road x3=48 channels.Turn-key system passes through respectively
The Ethernet interface progress Industrial Ethernet communication of FLUKE temperature data acquisition instrument, HBM data acquisition instrument, acquires with data
Instrument is communicated, temperature collection, strain signal.But due to CPU and FLUKE the temperature data acquisition instrument CPU of main control PLC and
The clock of HBM data acquisition instrument CPU is different, therefore, causes the collected temperature of turn-key system, strain signal asynchronous, right
The hot Combined Loading temperature of power, strain data test and analyze asynchronous, structural strength to component and mechanical behavior analysis cause
Error.Especially under high frequency, the data acquisition instrument of temperature data acquisition instrument and foil gauge signal is extremely difficult to same
Step.Therefore, it is necessary to synchronize processing using software in main control PLC CPU, treatment process is very complicated, and temperature data acquisition
The cost of the data acquisition instrument of instrument and foil gauge signal is very high, and there are costs for the existing hot Combined Loading device systems of power
Height, the problem of synchronously control hardly possible.And since FLUKE temperature data acquisition instrument CPU and HBM data acquisition instrument hardware is limited,
Do not have the extension testing requirement of thermocouple and foil gauge.
Summary of the invention
It is existing for solving the purpose of the present invention is to provide a kind of hot Combined Loading device data synchronous control system of power
The clock of FLUKE temperature data acquisition instrument CPU and HBM data acquisition instrument CPU is not in the hot Combined Loading system of power in technology
Together, cause the collected temperature of turn-key system, strain signal asynchronous, to the hot Combined Loading temperature of power, strain data test and
Analyze asynchronous, the problem of structural strength to component and mechanical behavior analysis cause error.
The present invention is solved the above problems by following technical proposals:
A kind of hot Combined Loading device data synchronous control system of power, including industrial control computer further include calculating with industry control
The main controller of machine connection, main controller connect the first board card module and the second board card module, and first board card module connects multichannel
Thermocouple, second board card module connect multichannel foil gauge, and first board card module and the second board card module are respectively by one
A or multiple boards are constituted, and the clock of the board is identical as main controller clock.
Since the cpu clock of the board of acquisition thermocouple input, the board of acquisition strain force signal input and main controller is
The same clock, thus it is guaranteed that the input of synchronous acquisition multi-channel thermocouple and the input of foil gauge signal, are the hot Combined Loading temperature of power
Degree, the test of strain synchrodata and analysis provide technical foundation.In addition, the first board card module reserves galvanic couple interface, the second plate
Card module has reserved foil gauge signaling interface, leaves interface for later thermocouple, foil gauge extension test.
Further, first board card module includes two pieces of NI PXIe4353 boards, two pieces of NI PXIe4353
Board receives the input of 32 path thermocouples respectively.
Further, second board card module includes six pieces of NI PXIe4330 boards, six pieces of NI PXIe4330
Board receives the input of 8 channel foil gauge signals respectively.
Further, the main controller uses NI PXIe8388CPU.
Compared with prior art, the present invention have the following advantages that and the utility model has the advantages that
(1) synchronous acquisition temperature of the present invention, strain signal, be the hot Combined Loading temperature of power, strain synchrodata test and
Analysis provides technical foundation, meanwhile, system reserves multi way temperature, strain signal interface, for system extension test spare interface.
(2) present invention is acquired temperature and strain force signal using the board of identical clock using with main controller, instead of
The data collector of temperature data acquisition device and adaptability to changes in the prior art, cost substantially reduces, and solves by leading
It controls CPU and carries out the synchronous challenge of software realization.
Detailed description of the invention
Fig. 1 is data collection system block diagram in the prior art；
Fig. 2 is system principle diagram of the invention.
Specific embodiment
The present invention is described in further detail below with reference to embodiment, embodiments of the present invention are not limited thereto.
Embodiment 1:
In conjunction with shown in attached drawing 2, a kind of hot Combined Loading device data synchronous control system of power, industrial control computer and main controller
Communication connection, main controller are communicated to connect with the first board card module, the second board card module respectively, when the first board card module includes two pieces
NI PXIe4353 board, NI PXIe4353 board can receive the input of 32 path thermocouples, and the second board card module includes six pieces
NI PXIe4330 board, NI PXIe4330 board can receive the input of 8 channel foil gauge signals, and main controller uses NI
When PXIe8388CPU, from 1# thermocouple, 2# thermocouple ..., the thermocouple signal of 60# thermocouple be respectively fed to the first plate
Two pieces of NI PXIe4353 boards in card module.1# foil gauge, 2# foil gauge ..., 48# foil gauge signal be respectively fed to
Six pieces of NI PXIe4330 boards in two board card modules, NI PXIe4330 board receive the strain input of 8 channel full-bridges.Due to NI
PXIe4353 board, NI PXIe4330 board and NI PXIe8388CPU use the same clock, adopt thus it is guaranteed that synchronizing
Collect 60 road temperature signals and 48 road strain signals, is provided for the hot Combined Loading temperature of power, the test of the synchrodata of strain and analysis
Technical foundation also provides effective technology means for the structural strength of component and mechanical behavior analysis.In addition, board has reserved 20
Road thermocouple, foil gauge signaling interface leave interface for later thermocouple, foil gauge extension test.
Although reference be made herein to invention has been described for explanatory embodiment of the invention, and above-described embodiment is only this hair
Bright preferable embodiment, embodiment of the present invention are not limited by the above embodiments, it should be appreciated that those skilled in the art
Member can be designed that a lot of other modification and implementations, these modifications and implementations will fall in principle disclosed in the present application
Within scope and spirit.
Claims (4)
1. a kind of hot Combined Loading device data synchronous control system of power, including industrial control computer, which is characterized in that further include with
The main controller of industrial control computer connection, main controller connect the first board card module and the second board card module, first board card module
Multi-channel thermocouple is connected, second board card module connects multichannel foil gauge, first board card module and the second board card module
It is made of respectively one or more board, the clock of the board is identical as main controller clock.
2. the hot Combined Loading device data synchronous control system of a kind of power according to claim 1, which is characterized in that described
First board card module includes two pieces of NI PXIe4353 boards, and two pieces of NI PXIe4353 boards receive 32 channel thermoelectrics respectively
Even input.
3. the hot Combined Loading device data synchronous control system of a kind of power according to claim 1 or 2, which is characterized in that
Second board card module includes six pieces of NI PXIe4330 boards, and six pieces of NI PXIe4330 boards receive 8 channels respectively
The input of foil gauge signal.
4. the hot Combined Loading device data synchronous control system of a kind of power according to claim 3, which is characterized in that described
Main controller uses NI PXIe8388 CPU.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910249627.3A CN109857042A (en) | 2019-03-29 | 2019-03-29 | A kind of hot Combined Loading device data synchronous control system of power |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910249627.3A CN109857042A (en) | 2019-03-29 | 2019-03-29 | A kind of hot Combined Loading device data synchronous control system of power |
Publications (1)
| Publication Number | Publication Date |
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| CN109857042A true CN109857042A (en) | 2019-06-07 |
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| CN201910249627.3A Pending CN109857042A (en) | 2019-03-29 | 2019-03-29 | A kind of hot Combined Loading device data synchronous control system of power |
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|---|---|---|---|---|
| CN101149721A (en) * | 2007-10-16 | 2008-03-26 | 中兴通讯股份有限公司 | Hardware integrated circuit board backboard interface |
| CN101566845A (en) * | 2009-06-04 | 2009-10-28 | 西南科技大学 | Multi-channel synchronous vibration data collecting system |
| CN102521182A (en) * | 2011-11-23 | 2012-06-27 | 华南师范大学 | Extensible multichannel parallel real-time data acquisition device and method |
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| CN108072572A (en) * | 2017-12-07 | 2018-05-25 | 吉林大学 | The biaxial stretch-formed mechanics performance testing device of low-temperature in-site |
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