CN205941746U - High -voltage circuit data sampling measuring device - Google Patents
High -voltage circuit data sampling measuring device Download PDFInfo
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- CN205941746U CN205941746U CN201620940783.6U CN201620940783U CN205941746U CN 205941746 U CN205941746 U CN 205941746U CN 201620940783 U CN201620940783 U CN 201620940783U CN 205941746 U CN205941746 U CN 205941746U
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Abstract
The utility model provides a high -voltage circuit data sampling measuring device, including communication master control circuit and signal measurement circuit, signal measurement circuit and communication master control circuit meet with field bus, and communication master control circuit still meet through communication interface and field computer and dispatch system, the signal measurement circuit includes complex programmable logic device, and this complex programmable logic device's sampled signal input passes through the optoelectronic isolation ware and links to each other with circuit under test, and its control signal output is connected with drive circuit, and drive circuit passes through the control relay and links to each other with circuit under test, the signal measurement circuit still includes signal conditioning circuit, and signal conditioning circuit's input links to each other with circuit under test, and its output is connected with level shifting circuit, and level shifting circuit's output links to each other with analog -to -digital conversion circuit, complex programmable logic device and analog -to -digital conversion circuit's I/O end links to each other with digital signal processor respectively, digital signal processor and field bus intercommunication.
Description
Technical field
This utility model is related to transmission facility, more particularly, to a kind of transmission of electricity data sampling measurement apparatus.
Background technology
For automatic monitoring system of transformer substation, respectively how to be opened using layer distributed in electrical network meter machine monitoring system aspects at present
Put formula system structure, this system is the various functions power plant, by layer distributed process principle by functional module and interface mould
Block forms computer compartment system, and whole system is uniformly coordinated, rational division of work, and optimum operation manages.Therefore, this distribution opens
Formula system fully meets high efficiency, high usage, maximum flexibility, good compatibility and safe and reliable and capacity of resisting disturbance
Strong requirement.Function and performance there is qualitative leap, but still has deficiency, be mainly reflected in the following aspects：Standardization
Low degree, poor compatibility；Stability and capacity of resisting disturbance are not enough.Further, since relay protection in transformer station, monitoring, control,
The aspect such as metering and accident record is more and more extensive, with intelligent electronic device using the intelligent electronic device based on microprocessor
Commonly using in transformer station, connects each device i.e. inexorable trend using fieldbus.
Utility model content
The purpose of this utility model is to provide a kind of high-tension circuit data sampling measurement apparatus, to improve stability and to resist dry
Disturb ability, lifting response speed and disposal ability.
This utility model be employed technical scheme comprise that by its technical problem of solution,
High-tension circuit data sampling measurement apparatus, including communication governor circuit and circuitry for signal measurement, wherein：
Circuitry for signal measurement is connected with fieldbus by signal line and control circuit, by circuitry for signal measurement to be measured
The on-site signal of circuit is acquired；
Communication governor circuit is connected with fieldbus by control circuit and signal line, and communication governor circuit is also by logical
Communication interface is connected with field computer and scheduling system；
Circuitry for signal measurement includes CPLD, the sampled signal input of this CPLD
End is connected with circuit under test by photoisolator, and the control signal outfan of CPLD is connected with driving electricity
Road, drive circuit is connected with circuit under test by control relay；
Circuitry for signal measurement also includes signal conditioning circuit, and the input of signal conditioning circuit is connected with circuit under test, its
Outfan is connected with level shifting circuit, and the outfan of level shifting circuit is connected with analog-to-digital conversion circuit, signal condition
Circuit is also associated with PLL synchronous sampling circuit circuit, the outfan of PLL synchronous sampling circuit circuit and analog-to-digital conversion circuit phase
Even；
The input/output terminal of CPLD and analog-to-digital conversion circuit respectively with Digital Signal Processing
Device is connected, and digital signal processor is connected with fieldbus；
Communication governor circuit includes bus transceiver, and the signal end of bus transceiver is connected with fieldbus, its control end
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 connects；
Local communication interface, remote communication interface and spare interface had on data converter, local communication interface with
Field computer connects, and remote communication interface is connected with scheduling system；
Bus control unit and programmable logic controller (PLC) are connected with guidance panel respectively, by guidance panel to total line traffic control
Device processed is operated；
Bus control unit is also associated with data storage, is deposited by the data that data storage is received and dispatched to bus control unit
Storage.
The utility model has the advantage of, this high-tension circuit data sampling measurement apparatus completes real-time to live parameters of electric power
Measurement and monitoring, be conducive to improving the power supply safety of power system and reliability, strengthening system function, improve terminal data and adopt
The speed of collection and precision and the speed and the reliability that improve system communication, gather electricity by signal measurement module voltage and current
The Acquisition Circuit on road, Phase Locked Loop Synchronization and frequency sampling circuit and switching value and pulsed quantity is it is achieved that to various on-site signals
Gather, and convert signals into corresponding electric parameter and show；Each circuit mould is completed using CPLD
The logic control of block, is integrated into Peripheral digital circuit on chip piece, reduces the complexity of its exterior line, improves
The integration degree of system and programmability, are tested by gathered data, result shows the anti-interference energy of this measurement apparatus
Power is strong, stable and reliable in work, and accuracy of data acquisition is high, and the Function Extension that can meet power automatic system proposes to data acquisition
Real-time, reliability and precision requirement.
Brief description
Fig. 1 be the utility model proposes high-tension circuit data sampling measurement apparatus general structure schematic diagram；
Fig. 2 is the structural representation of the signal measurement module of this device；
Fig. 3 is the structural representation of the communication main control module of this device.
Specific embodiment
In order that technological means, creation characteristic, reached purpose and effect that this utility model is realized are easy to understand, under
Face combines diagram and specific embodiment, and this utility model is expanded on further.
As shown in Figure 1, Figure 2, Figure 3 shows, the utility model proposes high-tension circuit data sampling measurement apparatus, including communication master
Control circuit and circuitry for signal measurement, wherein：Circuitry for signal measurement is connected with fieldbus by signal line and control circuit, by
Circuitry for signal measurement is acquired to the on-site signal of circuit under test；Communication governor circuit pass through control circuit and signal line with
Fieldbus connects, and communication governor circuit is connected with field computer and scheduling system also by communication interface；Signal measurement
Circuit includes CPLD, and the sampled signal input of this CPLD passes through photoisolator
It is connected with circuit under test, the control signal outfan of CPLD is connected with drive circuit, and drive circuit passes through
Control relay is connected with circuit under test；Circuitry for signal measurement also includes signal conditioning circuit, the input of signal conditioning circuit
It is connected with circuit under test, its outfan is connected with level shifting circuit, the outfan of level shifting circuit and Analog-digital Converter
Circuit is connected, and signal conditioning circuit is also associated with PLL synchronous sampling circuit circuit, the outfan of PLL synchronous sampling circuit circuit with
Analog-to-digital conversion circuit is connected；The input/output terminal of CPLD and analog-to-digital conversion circuit is respectively
It is connected with digital signal processor, digital signal processor is connected with fieldbus；Communication governor circuit includes bus transceiver,
The signal end of bus transceiver is connected with fieldbus, and its control end is connected with bus control unit；Bus control unit is connected with can
Programmed logic controller, programmable logic controller (PLC) and bus control unit are connected with data converter respectively；Data converter
On there is local communication interface, remote communication interface and spare interface, local communication interface is connected with field computer, remotely
Communication interface is connected with scheduling system；Bus control unit and programmable logic controller (PLC) are connected with guidance panel respectively, pass through
Guidance panel operates to bus control unit；Bus control unit is also associated with data storage, by data storage to bus
The data of controller transmitting-receiving is stored.
Embodiment of above is only that technology design of the present utility model and feature are described, its object is to allow the skill of this area
Art personnel understand that content of the present utility model is simultaneously carried out, and can not limit protection domain of the present utility model with this, all
The equivalence changes done according to this utility model spirit or modification, all should cover in protection domain of the present utility model.
Claims (4)
1. high-tension circuit data sampling measurement apparatus, including communication governor circuit and circuitry for signal measurement it is characterised in that：
Circuitry for signal measurement is connected with fieldbus by signal line and control circuit, by circuitry for signal measurement to circuit under test
On-site signal be acquired；
Communication governor circuit is connected with fieldbus by control circuit and signal line, and communication governor circuit connects also by communication
Mouth is connected with field computer and scheduling system；
Circuitry for signal measurement includes CPLD, and the sampled signal input of this CPLD is led to
Cross photoisolator to be connected with circuit under test, the control signal outfan of CPLD is connected with drive circuit,
Drive circuit is connected with circuit under test by control relay；
Circuitry for signal measurement also includes signal conditioning circuit, and the input of signal conditioning circuit is connected with circuit under test, its output
End is connected with level shifting circuit, and the outfan of level shifting circuit is connected with analog-to-digital conversion circuit, signal conditioning circuit
It is also associated with PLL synchronous sampling circuit circuit, the outfan of PLL synchronous sampling circuit circuit is connected with analog-to-digital conversion circuit；
The input/output terminal of CPLD and analog-to-digital conversion circuit respectively with digital signal processor phase
Even, digital signal processor is connected with fieldbus.
2. high-tension circuit data sampling measurement apparatus according to claim 1 it is characterised in that：
Communication governor circuit includes bus transceiver, and the signal end of bus transceiver is connected with fieldbus, and its control end is 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
Transducer connects；
Local communication interface, remote communication interface and spare interface, local communication interface and scene are had on data converter
Computer connects, and remote communication interface is connected with scheduling system.
3. high-tension circuit data sampling measurement apparatus according to claim 2 it is characterised in that：
Bus control unit and programmable logic controller (PLC) are connected with guidance panel respectively, by guidance panel to bus control unit
Operated.
4. high-tension circuit data sampling measurement apparatus according to claim 2 it is characterised in that：
Bus control unit is also associated with data storage, is stored by the data that data storage is received and dispatched to bus control unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620940783.6U CN205941746U (en) | 2016-08-25 | 2016-08-25 | High -voltage circuit data sampling measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620940783.6U CN205941746U (en) | 2016-08-25 | 2016-08-25 | High -voltage circuit data sampling measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205941746U true CN205941746U (en) | 2017-02-08 |
Family
ID=57952830
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620940783.6U Expired - Fee Related CN205941746U (en) | 2016-08-25 | 2016-08-25 | High -voltage circuit data sampling measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205941746U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106597163A (en) * | 2016-12-15 | 2017-04-26 | 上海电机学院 | Circuit data sampling and measuring apparatus |
| CN108983067A (en) * | 2018-05-17 | 2018-12-11 | 浙江优勝科技有限公司 | Intelligent plant production equipment circuit data sampling apparatus |
-
2016
- 2016-08-25 CN CN201620940783.6U patent/CN205941746U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106597163A (en) * | 2016-12-15 | 2017-04-26 | 上海电机学院 | Circuit data sampling and measuring apparatus |
| CN108983067A (en) * | 2018-05-17 | 2018-12-11 | 浙江优勝科技有限公司 | Intelligent plant production equipment circuit data sampling apparatus |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20170208 Termination date: 20170825 |