CN108983067A - Intelligent plant production equipment circuit data sampling apparatus - Google Patents
Intelligent plant production equipment circuit data sampling apparatus Download PDFInfo
- Publication number
- CN108983067A CN108983067A CN201810474860.7A CN201810474860A CN108983067A CN 108983067 A CN108983067 A CN 108983067A CN 201810474860 A CN201810474860 A CN 201810474860A CN 108983067 A CN108983067 A CN 108983067A
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- China
- Prior art keywords
- circuit
- signal
- programmable logic
- circuitry
- production equipment
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/28—Testing of electronic circuits, e.g. by signal tracer
Abstract
The present invention proposes a kind of intelligent plant production equipment circuit data sampling apparatus, including communication governor circuit and circuitry for signal measurement, circuitry for signal measurement and communication governor circuit connect with fieldbus, and communication governor circuit also passes through communication interface and connects with field computer and scheduling system；Circuitry for signal measurement includes Complex Programmable Logic Devices, the sampled signal input of the Complex Programmable Logic Devices is connected by photoisolator with circuit under test, its control signal output is connected with driving circuit, and driving circuit is connected by controlling relay with circuit under test；Circuitry for signal measurement further includes signal conditioning circuit, and the input terminal of signal conditioning circuit is connected with circuit under test, and output end is connected with level shifting circuit, and the output end of level shifting circuit is connected with analog-to-digital conversion circuit；The input/output terminal of Complex Programmable Logic Devices and analog-to-digital conversion circuit is connected with digital signal processor respectively, and digital signal processor is connected to fieldbus.
Description
Technical field
The present invention relates to intelligent plant data sampling techniques more particularly to a kind of intelligent plant production equipment circuit data to adopt
Sampling device.
Background technique
For most of manufacturing enterprise, the defective products information of production scene and the real-time data acquisition of relevant yield data
It is a great problem that current enterprise faces, how realizes high efficiency, succinct, real-time data acquisition, be that current manufacturing industry is badly in need of
It solves the problems, such as.In intelligent plant, since the monitoring of production equipment, control, metering and accident record etc. use are based on
The intelligent electronic device of microprocessor is more and more extensive, with generally use of the intelligent electronic device in substation, using existing
Field bus connects each device i.e. inexorable trend.Common production equipment circuit data sampling system stability and anti-interference energy
Power is there are also to be strengthened, and response speed is inadequate, influences the accuracy and timeliness of data.Therefore, it is necessary to this circuit
Sampled-data system carries out structure optimization, to overcome drawbacks described above.
Summary of the invention
The object of the present invention is to provide a kind of intelligent plant production equipment circuit data sampling apparatus, with improve stability and
Anti-interference ability promotes response speed and processing capacity.
The present invention be solve its technical problem the technical scheme adopted is that
Intelligent plant production equipment circuit data sampling apparatus, including communication governor circuit and circuitry for signal measurement, in which:
Circuitry for signal measurement is connected by signal line and control route with fieldbus, by circuitry for signal measurement to be measured
The on-site signal of circuit is acquired；
Communication governor circuit is connected by control route and signal line with fieldbus, and communication governor circuit also passes through logical
Communication interface connects with field computer and scheduling system；
Circuitry for signal measurement includes Complex Programmable Logic Devices, the sampled signal input of the Complex Programmable Logic Devices
End is connected by photoisolator with circuit under test, and the control signal output of Complex Programmable Logic Devices is connected with driving electricity
Road, driving circuit are connected by controlling relay with circuit under test；
Circuitry for signal measurement further includes signal conditioning circuit, and the input terminal of signal conditioning circuit is connected with circuit under test,
Output end is connected with level shifting circuit, and the output end of level shifting circuit is connected with analog-to-digital conversion circuit, signal condition
Circuit is also connected with PLL synchronous sampling circuit circuit, output end and the analog-to-digital conversion circuit phase of PLL synchronous sampling circuit circuit
Even；
The input/output terminal of Complex Programmable Logic Devices and analog-to-digital conversion circuit respectively with Digital Signal Processing
Device is connected, and digital signal processor is connected to fieldbus；
Communicating governor circuit includes bus transceiver, and the signal end of bus transceiver is connected with fieldbus, control terminal
It is connected with bus control unit；
Bus control unit is connected with programmable logic controller (PLC), programmable logic controller (PLC) and bus control unit respectively with
Data converter connection；
On data converter have local communication interface, remote communication interface and spare interface, local communication interface with
Field computer connects, and remote communication interface connects with scheduling system；
Bus control unit and programmable logic controller (PLC) connect with operation panel respectively, by operation panel to total line traffic control
Device processed is operated；
Bus control unit is also connected with data storage, is deposited by the data that data storage receives and dispatches bus control unit
Storage.
It is an advantage of the current invention that the intelligent plant production equipment circuit data sampling apparatus is completed to on-site producing devices
Parameter is measured and is monitored in real time, is conducive to the power supply safety and reliability that improve production equipment, and strengthen the system function improves eventually
The speed and precision of end data acquisition and the rate and reliability for improving system communication, pass through signal measurement module voltage and electricity
Acquisition Circuit, the Acquisition Circuit of Phase Locked Loop Synchronization and frequency sampling circuit and switching value and pulsed quantity are flowed, is realized to various existing
The acquisition of field signal, and convert signals into corresponding electric parameter and show；It is completed using Complex Programmable Logic Devices each
The logic control of a circuit module reduces the complexity of exterior line in Peripheral digital circuit integration to chip piece
Degree improves the integration degree and programmability of system, is tested by acquiring data, the results showed that the measuring device
Strong antijamming capability, stable and reliable in work, accuracy of data acquisition is high, can meet the Function Extension pair of production equipment automated system
The requirement of real-time, reliability and precision that data acquisition proposes.
Detailed description of the invention
Fig. 1 is the general structure schematic diagram of intelligent plant production equipment circuit data sampling apparatus proposed by the present invention；
Fig. 2 is the structural schematic diagram of the signal measurement module of the device；
Fig. 3 is the structural schematic diagram of the communication main control module of the device.
Specific embodiment
In order to be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, tie below
Diagram and specific embodiment are closed, the present invention is further explained.
As shown in Figure 1, Figure 2, Figure 3 shows, intelligent plant production equipment circuit data sampling apparatus proposed by the present invention includes logical
Believe governor circuit and circuitry for signal measurement, in which: circuitry for signal measurement passes through signal line and control route and fieldbus phase
It connects, is acquired by on-site signal of the circuitry for signal measurement to circuit under test；It communicates governor circuit and passes through control route and signal
Route connects with fieldbus, and communication governor circuit also passes through communication interface and connects with field computer and scheduling system；Letter
Number measuring circuit includes Complex Programmable Logic Devices, and the sampled signal input of the Complex Programmable Logic Devices passes through photoelectricity
Isolator is connected with circuit under test, and the control signal output of Complex Programmable Logic Devices is connected with driving circuit, driving electricity
Road is connected by controlling relay with circuit under test；Circuitry for signal measurement further includes signal conditioning circuit, signal conditioning circuit
Input terminal is connected with circuit under test, and output end is connected with level shifting circuit, the output end and simulation number of level shifting circuit
Word conversion circuit is connected, and signal conditioning circuit is also connected with PLL synchronous sampling circuit circuit, PLL synchronous sampling circuit circuit it is defeated
Outlet is connected with analog-to-digital conversion circuit；The input/output of Complex Programmable Logic Devices and analog-to-digital conversion circuit
End is connected with digital signal processor respectively, and digital signal processor is connected to fieldbus；Communicating governor circuit includes bus
The signal end of transceiver, bus transceiver is connected with fieldbus, and control terminal is connected with bus control unit；Bus control unit connects
It is connected to programmable logic controller (PLC), programmable logic controller (PLC) and bus control unit are connected to data converter respectively；Data
There is local communication interface, remote communication interface and spare interface, local communication interface and field computer phase on converter
It connects, remote communication interface connects with scheduling system；Bus control unit and programmable logic controller (PLC) respectively with operation panel phase
It connects, bus control unit is operated by operation panel；Bus control unit is also connected with data storage, by data storage
The data of bus control unit transmitting-receiving are stored.
Embodiment of above only technical concepts and features to illustrate the invention, its object is to allow those skilled in the art
Member understands the contents of the present invention and is implemented, and it is not intended to limit the scope of the present invention, all spiritual according to the present invention
The equivalent change or modification that essence is done, should be covered by the scope of protection of the present invention.
Claims (4)
1. intelligent plant production equipment circuit data sampling apparatus, including communication governor circuit and circuitry for signal measurement, feature
It is:
Circuitry for signal measurement is connected by signal line and control route with fieldbus, by circuitry for signal measurement to circuit under test
On-site signal be acquired；
Communication governor circuit is connected by control route and signal line with fieldbus, and communication governor circuit also passes through communication and connects
Mouth connects with field computer and scheduling system；
Circuitry for signal measurement includes Complex Programmable Logic Devices, and the sampled signal input of the Complex Programmable Logic Devices is logical
Photoisolator to be crossed to be connected with circuit under test, the control signal output of Complex Programmable Logic Devices is connected with driving circuit,
Driving circuit is connected by controlling relay with circuit under test.
2. intelligent plant production equipment circuit data sampling apparatus according to claim 1, it is characterised in that:
Circuitry for signal measurement further includes signal conditioning circuit, and the input terminal of signal conditioning circuit is connected with circuit under test, output
End is connected with level shifting circuit, and the output end of level shifting circuit is connected with analog-to-digital conversion circuit, signal conditioning circuit
It is also connected with PLL synchronous sampling circuit circuit, the output end of PLL synchronous sampling circuit circuit is connected with analog-to-digital conversion circuit；
The input/output terminal of Complex Programmable Logic Devices and analog-to-digital conversion circuit respectively with digital signal processor phase
Even, digital signal processor is connected to fieldbus；
Communicate governor circuit include bus transceiver, the signal end of bus transceiver is connected with fieldbus, control terminal with always
Lane controller is connected；
Bus control unit is connected with programmable logic controller (PLC), programmable logic controller (PLC) and bus control unit respectively with data
Converter connection；
There is local communication interface, remote communication interface and spare interface, local communication interface and scene on data converter
Computer connects, and remote communication interface connects with scheduling system.
3. intelligent plant production equipment circuit data sampling apparatus according to claim 1, it is characterised in that:
Bus control unit and programmable logic controller (PLC) connect with operation panel respectively, by operation panel to bus control unit
It is operated.
4. intelligent plant production equipment circuit data sampling apparatus according to claim 1, it is characterised in that:
Bus control unit is also connected with data storage, is stored by the data that data storage receives and dispatches bus control unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810474860.7A CN108983067A (en) | 2018-05-17 | 2018-05-17 | Intelligent plant production equipment circuit data sampling apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810474860.7A CN108983067A (en) | 2018-05-17 | 2018-05-17 | Intelligent plant production equipment circuit data sampling apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108983067A true CN108983067A (en) | 2018-12-11 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810474860.7A Pending CN108983067A (en) | 2018-05-17 | 2018-05-17 | Intelligent plant production equipment circuit data sampling apparatus |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202351352U (en) * | 2011-12-09 | 2012-07-25 | 丹东华通测控有限公司 | Comprehensive electric power quality monitoring device |
| CN203894319U (en) * | 2014-04-14 | 2014-10-22 | 苏州汇川技术有限公司 | Isolation sampling system |
| CN105785309A (en) * | 2015-03-26 | 2016-07-20 | 上海斯同瑞电气科技有限公司 | Apparatus for setting electric energy meter pulse width and setting method thereof |
| CN205941746U (en) * | 2016-08-25 | 2017-02-08 | 洛米纳（苏州）电子科技有限公司 | High -voltage circuit data sampling measuring device |
| US20170038430A1 (en) * | 2015-08-04 | 2017-02-09 | Industrial Technology Research Institute | System for monitoring electronic circuit and method for monitoring electronic circuit |
| CN106597163A (en) * | 2016-12-15 | 2017-04-26 | 上海电机学院 | Circuit data sampling and measuring apparatus |
-
2018
- 2018-05-17 CN CN201810474860.7A patent/CN108983067A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202351352U (en) * | 2011-12-09 | 2012-07-25 | 丹东华通测控有限公司 | Comprehensive electric power quality monitoring device |
| CN203894319U (en) * | 2014-04-14 | 2014-10-22 | 苏州汇川技术有限公司 | Isolation sampling system |
| CN105785309A (en) * | 2015-03-26 | 2016-07-20 | 上海斯同瑞电气科技有限公司 | Apparatus for setting electric energy meter pulse width and setting method thereof |
| US20170038430A1 (en) * | 2015-08-04 | 2017-02-09 | Industrial Technology Research Institute | System for monitoring electronic circuit and method for monitoring electronic circuit |
| CN205941746U (en) * | 2016-08-25 | 2017-02-08 | 洛米纳（苏州）电子科技有限公司 | High -voltage circuit data sampling measuring device |
| CN106597163A (en) * | 2016-12-15 | 2017-04-26 | 上海电机学院 | Circuit data sampling and measuring apparatus |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181211 |
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| RJ01 | Rejection of invention patent application after publication |