CN205643572U - Distribution network synchronous data acquisition device - Google Patents
Distribution network synchronous data acquisition device Download PDFInfo
- Publication number
- CN205643572U CN205643572U CN201620479943.1U CN201620479943U CN205643572U CN 205643572 U CN205643572 U CN 205643572U CN 201620479943 U CN201620479943 U CN 201620479943U CN 205643572 U CN205643572 U CN 205643572U
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- distribution network
- synchronous data
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/20—End-user application control systems
Abstract
The utility model discloses a distribution network synchronous data acquisition device, controller module, phasor measured module, digital quantity module, clock module and power module including the modularized design, phasor measured module and digital quantity module all are connected through CPCI slot and controller module, the clock module provides clock signal for phasor measured module and digital quantity module, power module including main power source and stand -by power supply, loses the electric condition under automatic switch -over to stand -by power supply power supply mode at the main power source for other module power supplies, the automatic switch -over returns main mains operated mode during main power source power recovery. Two way mains operated can be acceptted simultaneously to the power to can lose automatic switch -over to stand -by power supply power supply mode under the electric condition at the main power source. The automatic switch -over returns main mains operated mode during main power source power recovery, has ensured reliability of power supply. Power module is equipped with the lightning protection circuit, has ensured the security of whole equipment when thunderstorm weather, does not receive the thunderbolt.
Description
Technical field
This utility model relates to data acquisition technology field, particularly relates to a kind of power distribution network synchronous data collection device.
Background technology
Intelligent distribution network is the important component part of intelligent grid, intelligent grid be merge advanced information technology, communication technology,
The power transmission and distribution infrastructure novel power grid highly integrated, supermatic of computer technology.The realization of intelligent grid be unable to do without intelligence
Can be with the relevant information of synchronous acquisition power distribution network, phase to synchronous data sampling, power distribution network synchronous data collection device in energy power distribution network
Close the foundation of electric network model and process the too busy to get away information accurately of emergency safety problem.
The power distribution network synchronous data collection device that presently, there are is mostly intelligent integral equipment, later maintenance difficulty, O&M cost
High.Additionally the security and stability of itself has much room for improvement, and the stable operation of power distribution network synchronous data collection device is to whole electrical network
Stable normal work has important effect.
Utility model content
The purpose of this utility model is contemplated to solve the problems referred to above, it is provided that a kind of power distribution network synchronous data collection device, uses
Modularized design, when module out of the ordinary goes wrong, in that context it may be convenient to is replaced maintenance, need not change other modules, reduces
The cost of maintenance.
To achieve these goals, this utility model adopts the following technical scheme that
A kind of power distribution network synchronous data collection device, including the controller module of modularized design, phasor measurement module, digital quantity
Module, clock module and power module；Described phasor measurement module and digital module all pass through CPCI slot and controller mould
Block is attached；Clock module provides clock signal for phasor measurement module and digital module；Power module is that other modules supply
Electricity, including main power source and stand-by power supply, automatically switches to stand-by power supply power supply mode in the case of main power source dead electricity；Main power source electricity
Source automatically switches back into main power source power supply mode when recovering.
Described power module is also connected with lightning protection circuit.
The input interface of described power module is provided with Anti-surging impact circuit.
Described controller module includes master controller and the submaster controller being in communication with each other, and master controller and submaster controller are designed with hardware
House dog, master controller is provided with liquid crystal interface, network interface, SD card and multiple USB interface, submaster controller and phasor measurement module,
Digital module communicates.
Described phasor measurement module includes voltage current transformer, voltage current transformer connect after amplifier respectively by comparator and
A/d converter connects the first controller, and described first controller is connected with described controller module and clock module.
Described first controller is provided with hardware watchdog and SMV interface.
Described digital module includes that second controller, described second controller are connected with remote signalling input interface and remote control output interface,
Used position and the action time information accepting external switch by remote signalling input interface, control command is exported by remote control output interface；
Described second controller is connected with described controller module and clock module.
Described remote signalling input interface and remote control output interface are provided with Anti-surging impact circuit, and described second controller is provided with hardware and guards the gate
Canis familiaris L..
Described clock module includes the 3rd controller, described 3rd controller time service module double with PHY chip, GPS and the Big Dipper and
Constant-temperature crystal oscillator connects.
Described 3rd controller is provided with hardware watchdog.
The beneficial effects of the utility model are:
Power supply can receive two-way power supply to power simultaneously, and can automatically switch to stand-by power supply power supply mode in the case of main power source dead electricity.
Automatically switch back into main power source power supply mode during main power source power up, ensure the reliability of power supply.
Described power module is provided with lightning protection circuit, has ensured the safety when thunderstorm weather of the whole equipment, has not been struck by lightning.
Power supply, remote signalling, the input interface of remote measurement are designed with Anti-surging impact circuit, can effectively prevent rushing of electrostatic and surge
Hit；The internal all processing apparatus of unit are designed with hardware watchdog, it is possible to restart timely when abnormality, it is ensured that
The continuous workability of equipment.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Detailed description of the invention:
With embodiment, this utility model is described further below in conjunction with the accompanying drawings:
As it is shown in figure 1, a kind of power distribution network synchronous data collection device, including controller module, the phasor measurement of modularized design
Module, digital module, clock module and power module；Described phasor measurement module and digital module all pass through CPCI and insert
Groove is attached with controller module；Clock module provides clock signal for phasor measurement module and digital module；Power module
For other module for power supply, including main power source and stand-by power supply, in the case of main power source dead electricity, automatically switch to stand-by power supply supplier of electricity
Formula；Main power source power supply mode is automatically switched back into during main power source power up.
Described power module is also connected with lightning protection circuit.The input interface of described power module is provided with Anti-surging impact circuit.
Described controller module includes master controller and the submaster controller being in communication with each other, and master controller and submaster controller are designed with hardware
House dog, master controller is provided with liquid crystal interface, network interface, SD card and multiple USB interface, submaster controller and phasor measurement module,
Digital module communicates.
Master controller and submaster controller are respectively adopted arm processor and FPGA, and controller module is mainly responsible for what collection collected
Data are calculated, analyze and the work such as process by data message further, carry out valid data forwarding and storage etc. simultaneously.
Major function has, storage phasor measurement module and the data message function of digital module；It is responsible for forwarding data, completes
Communication and outside communication function；Data are carried out after-treatment, extracts data splitting function；Gather the locally displayed merit of data
Energy.After the data of measurement module are obtained data by MLVDS bus by FPGA, data are temporarily stored in FPGA, wait to count
According to buffer area half-full after transmit to arm processor.Communication mode between FPGA and arm processor uses PCIE
Mode.
Described phasor measurement module includes voltage current transformer, voltage current transformer connect after amplifier respectively by comparator and
A/d converter connects the first controller, and described first controller is connected with described controller module and clock module.Described first
Controller is provided with hardware watchdog.
First controller is also adopted by fpga chip, and phasor measurement module is mainly responsible for carrying out voltage x current with accurate markers
High precision collecting, owing to its analog-digital converter can directly be triggered, from hardware configuration by outside accurate clock
Evade AD conversion time delay, data transmission delay, the introducing factor of data computation delay equal error amount, fully ensure that phase gauge
The accuracy calculated.FPGA has been responsible for the control work of a/d converter, and FPGA can be carried out at frequency dividing after receiving clock signal
It is used for after reason triggering a/d converter.Fully ensure that the precision of a/d converter conversion time, reduce the error of phase calculation,
Using the differential signal input a/d converter of 16, this a/d converter can carry out synchronized sampling holding to 8 tunnel analogue signals,
The time delay problem of many phase acquisitions is avoided from chip structure.
After collecting AD conversion data, FPGA can proceed the operation of high speed fast Fourier transform, obtains each logical
The phase angle information in road, sends the data to controller module by result of calculation and wave file by MLVDS bus simultaneously.
For ensureing the transmission requirement of transient data, phasor acquisition module is designed with SMV interface, can efficiently, quick by ripple
Graphic data carries out unofficial biography, subtracts the delay time of small data transmission.
The major function of the first controller FPGA is: control AD conversion, calculating phase angle and amplitude, data are kept in, data are sent out
Send.Phasor measurement module has 8 analog quantity channels, and each passage can be configured to current channel or voltage channel, its
The input current scope of middle current channel is 0-1A or 0-5A, and the input voltage range of voltage channel is 0-100V or 0-220V.
Described digital module includes that second controller, described second controller are connected with remote signalling input interface and remote control output interface,
Used position and the action time information accepting external switch by remote signalling input interface, control command is exported by remote control output interface；
Described second controller is connected with described controller module and clock module.Described remote signalling input interface and remote control output interface are provided with
Anti-surging impact circuit, described second controller is provided with hardware watchdog.
Second controller is also adopted by fpga chip, and digital module is mainly for detection of the position of external switch and action accurately
In the moment, simultaneously can export control action according to control command, it equally accepts the high precision clock of outside, therefore can be by
The time of switch motion is demarcated accurately.
Digital module is mainly used to detect remote signalling information and perform remote control actions, and each module has the 16 passive input nodes in tunnel,
Owing to the clock information of this module is also to be obtained by clock unit, therefore can be by the time accurate microsecond of record switch motion
Rank, can react the precedence of the action of each switch, it is simple to the analysis of fault really；Remote control output facet, Mei Gemo
Block, with the relay normally open output node of 8 road 220V 5A, can be used to control external equipment.
Remote measurement, remote information are in addition to communicating by the IEC104 stipulations of ARM controller, it is also possible to by this locality
GOOSE interface carries out unofficial biography, fully ensures that the transmission of data is ageing；The work of digital module is by second controller FPGA
Complete to control.
Described clock module includes the 3rd controller, described 3rd controller time service module double with PHY chip, GPS and the Big Dipper and
Constant-temperature crystal oscillator connects.Clock module is mainly responsible for each module and provides clock information accurately, have in clock module compatible with GPS and
The time service chip of Big Dipper time service function, the system that can stand alone as provides clock, when can carry out clock school by time calibration in network technology.
Described 3rd controller is provided with hardware watchdog.3rd controller is also adopted by fpga chip.
Satellite time transfer: there is inside device GPS and the double time service module of the Big Dipper, clock information accurately can be obtained by satellite,
Satellite time transfer can be operated under GPS pattern, Big Dipper pattern, GPS+ Big Dipper Three models, and user can select the most flexibly
Select.This kind of mode mainly for installation site without the occasion of other time service modes.
PTP time calibration in network: module has PHY chip, it would be preferable to support the PTP time calibration in network of IEEE1588 form.
Although detailed description of the invention of the present utility model is described by the above-mentioned accompanying drawing that combines, but not this utility model is protected
The restriction of scope, one of ordinary skill in the art should be understood that on the basis of the technical solution of the utility model, art technology
Personnel need not to pay various amendments or deformation that creative work can make still within protection domain of the present utility model.
Claims (10)
1. a power distribution network synchronous data collection device, is characterized in that, including controller module, the phasor measurement of modularized design
Module, digital module, clock module and power module；Described phasor measurement module and digital module all pass through CPCI and insert
Groove is attached with controller module；Clock module provides clock signal for phasor measurement module and digital module；Power module
For other module for power supply, including main power source and stand-by power supply, in the case of main power source dead electricity, automatically switch to stand-by power supply supplier of electricity
Formula；Main power source power supply mode is automatically switched back into during main power source power up.
2. a kind of power distribution network synchronous data collection device as claimed in claim 1, is characterized in that, described power module is also with anti-
Thunder and lightning road connects.
3. a kind of power distribution network synchronous data collection device as claimed in claim 1, is characterized in that, the input of described power module
Interface is provided with Anti-surging impact circuit.
4. a kind of power distribution network synchronous data collection device as claimed in claim 1, is characterized in that, described controller module includes
The master controller being in communication with each other and submaster controller, master controller and submaster controller are designed with hardware watchdog, and master controller is provided with liquid
Brilliant interface, network interface, SD card and multiple USB interface, submaster controller communicates with phasor measurement module, digital module.
5. a kind of power distribution network synchronous data collection device as claimed in claim 1, is characterized in that, described phasor measurement module bag
Including voltage current transformer, voltage current transformer connects the first control by comparator and a/d converter after connecting amplifier respectively
Device, described first controller is connected with described controller module and clock module.
6. a kind of power distribution network synchronous data collection device as claimed in claim 5, is characterized in that, described first controller is provided with
Hardware watchdog and SMV interface.
7. a kind of power distribution network synchronous data collection device as claimed in claim 1, is characterized in that, described digital module includes
Second controller, described second controller is connected with remote signalling input interface and remote control output interface, by remote signalling input interface with connecing
By position and the action time information of external switch, control command is exported by remote control output interface；Described second controller is with described
Controller module and clock module connect.
8. power distribution network synchronous data collection device as claimed in claim 7 a kind of, is characterized in that, described remote signalling input interface and
Remote control output interface is provided with Anti-surging impact circuit, and described second controller is provided with hardware watchdog.
9. power distribution network synchronous data collection device as claimed in claim 1 a kind of, is characterized in that, described clock module includes the
Three controllers, described 3rd controller time service module double with PHY chip, GPS and the Big Dipper and constant-temperature crystal oscillator are connected.
10. a kind of power distribution network synchronous data collection device as claimed in claim 9, is characterized in that, described 3rd controller sets
There is hardware watchdog.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620479943.1U CN205643572U (en) | 2016-05-24 | 2016-05-24 | Distribution network synchronous data acquisition device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620479943.1U CN205643572U (en) | 2016-05-24 | 2016-05-24 | Distribution network synchronous data acquisition device |
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| Publication Number | Publication Date |
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| CN205643572U true CN205643572U (en) | 2016-10-12 |
Family
ID=57055758
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620479943.1U Active CN205643572U (en) | 2016-05-24 | 2016-05-24 | Distribution network synchronous data acquisition device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106501626A (en) * | 2016-12-12 | 2017-03-15 | 国网山东省电力公司菏泽供电公司 | A kind of wide area kernel phase system based on synchronous phasor measurement |
| CN109902955A (en) * | 2019-02-27 | 2019-06-18 | 苏州浪潮智能科技有限公司 | A kind of the electric network data monitoring processing system and method for the flexibly configurable based on FPGA |
-
2016
- 2016-05-24 CN CN201620479943.1U patent/CN205643572U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106501626A (en) * | 2016-12-12 | 2017-03-15 | 国网山东省电力公司菏泽供电公司 | A kind of wide area kernel phase system based on synchronous phasor measurement |
| CN106501626B (en) * | 2016-12-12 | 2019-05-10 | 国网山东省电力公司菏泽供电公司 | A kind of wide area kernel phase system based on synchronous phasor measurement |
| CN109902955A (en) * | 2019-02-27 | 2019-06-18 | 苏州浪潮智能科技有限公司 | A kind of the electric network data monitoring processing system and method for the flexibly configurable based on FPGA |
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| GR01 | Patent grant |