CN207051387U - A kind of device for multiloop electric energy metrical - Google Patents
A kind of device for multiloop electric energy metrical Download PDFInfo
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- CN207051387U CN207051387U CN201721011300.5U CN201721011300U CN207051387U CN 207051387 U CN207051387 U CN 207051387U CN 201721011300 U CN201721011300 U CN 201721011300U CN 207051387 U CN207051387 U CN 207051387U
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- 238000005070 sampling Methods 0.000 claims abstract description 44
- 238000012423 maintenance Methods 0.000 claims abstract description 20
- 238000004891 communication Methods 0.000 claims abstract description 15
- 230000005540 biological transmission Effects 0.000 claims description 15
- 210000004027 cell Anatomy 0.000 claims description 10
- 238000003860 storage Methods 0.000 claims description 8
- 238000007726 management method Methods 0.000 claims description 5
- 238000013500 data storage Methods 0.000 claims description 2
- 210000000352 storage cell Anatomy 0.000 claims description 2
- 238000001727 in vivo Methods 0.000 claims 1
- 230000009466 transformation Effects 0.000 abstract description 7
- 238000010586 diagram Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 230000001965 increasing effect Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
Abstract
The utility model provides a kind of device for multiloop electric energy metrical,Including the housing in ring main unit,Main control board is installed in the housing,CPU main control units are installed on the main control board,The running status display panel for showing running status is provided with housing front,Transformer interface,Power interface,Data sampling interface and maintenance interface,The transformer interface is connected with power interface and data Sampling Interface,Communication state indicator lamp and wireless telecommunications slot are additionally provided with the housing,The main control board respectively with running status display panel,Transformer interface,Power interface,Data sampling interface,Maintenance interface,Communication state indicator lamp and the connection of wireless telecommunications slot,Space requirement can met,The energy data of collection metering ring main unit multichannel outlet on the basis of insulating requirements and standardisation requirements,So as to reduce the cost of ring main unit transformation,Shorten the transformation cycle.
Description
Technical field
It the utility model is related to a kind of device for multiloop electric energy metrical, and in particular to one kind can be realized while right
The indexs such as maximum 8 road ring main unit outlet electricity, instantaneous flow carry out on-line real time monitoring and by GPRS wireless remote transmission units by number
According to the device for being sent to prescribed master.
Background technology
Conscientiously to implement national energy-saving emission reduction policy, power distribution network lean managerial skills are lifted, company is implemented and strengthens comprehensively
The general requirement of Controlling line loss, on July 8th, 2015, State Grid Corporation of China issues《State Grid Corporation of China is on deepening line loss pipe
The opinion of reason》(No. 571 texts), in-depth " Two change " comprehensively is proposed, to strengthen line loss management in four divisions as handgrip, to deepen line
Damage analysis is attached most importance to, and propulsion energy-saving drop damage, enhancing efficiency by relying on tapping internal latent power, constantly lifts company's production management level.Opinion proposes to want emphasis to be good for
Full 10kV power distribution networks examination critical point, refines 10 KV administrative units, and the every outlet of public switch station 10 (20/6) kilovolt is made
Carry out Controlling line loss for unit, and give 10 detailed (20/6) kilovolt separated time Controlling line loss patterns.
For a large amount of 10kV outdoor ring main units mounted at present, the overwhelming majority does not set stoichiometric point, how passed through
Transformation increases the problem of stoichiometric point turns into a reality in ring main unit.Because ring main unit small volume, spaces compact, have close
The characteristics of closing, insulating, so increasing metering device in ring main unit, it is also desirable to meet space requirement, insulating requirements and standardization
It is required that.Meanwhile ring main unit generally has multichannel outlet, in order to meet the fine-grained management of metering examination, it is necessary to per outlet all the way
Increase stoichiometric point.This is more the increase in difficulty for the nervous ring main unit in space.In addition, ring main unit usually not low voltage section
Point, it is therefore desirable to solve the problems, such as the low-voltage power supply of metering and communication equipment.Based on above-mentioned consideration, this project is intended to research and not increased
On the premise of adding cabinet and ring main unit interval, low-tension supply is obtained from high-pressure side, in fortune ring main unit increase multiple metering function
Feasibility.
Utility model content
The purpose of this utility model is to solve the above problems, there is provided a kind of device for multiloop electric energy metrical, should
Device can gather the electricity of metering ring main unit multichannel outlet on the basis of space requirement, insulating requirements and standardisation requirements are met
Energy data, so as to reduce the cost of ring main unit transformation, shorten the transformation cycle.
The technical solution of the utility model：A kind of device for multiloop electric energy metrical, including in ring main unit
Housing, main control board is installed in the housing, CPU main control units are installed, on the main control board in housing just
Face be provided with for show running status running status display panel, transformer interface, power interface, data sampling interface with
And maintenance interface, the transformer interface are connected with power interface and data Sampling Interface, are additionally provided with the housing logical
Interrogate status indicator lamp and wireless telecommunications slot, the main control board respectively with running status display panel, transformer interface,
Power interface, data sampling interface, maintenance interface, communication state indicator lamp and the connection of wireless telecommunications slot.
The PMU being connected with power interface is separately installed with the main control board and transformer interface connects
The transformer that connects, the AD current sampling units being connected with data sampling interface and AD voltage sampling units, it is connected with maintenance interface
RS485 maintenance units and the GPRS wireless remote transmission units that are connected with wireless telecommunications slot, the PMU pass through
Power interface and transformer interface are connected with transformer, the PMU, AD current sampling units, AD voltage samples
Unit, RS485 maintenance units, GPRS wireless remote transmission units are communicated with CPU main control units and connected.
The CPU main control units also store with watchdog reset unit, Flash data memory cell and EEPROM parameters
Unit communications connect, and Flash data memory cell is used for store historical data, and EEPROM parameter storage units are important for storing
Configuration parameter.
The AD current sampling units, AD voltage sampling units, watchdog reset unit and PMU and CPU
Main control unit is connected by I/O interface, and the RS485 maintenance units and GPRS wireless remote transmission units are connected to by universal serial bus
The I/O interface realization of CPU main control units and interacting for CPU main control units, the Flash data memory cell and EEPROM parameters
Memory cell connects the I/O interface realization of CPU main control units and interacting for CPU main control units by fieldbus.
The CPU main control units use model STM32F407 32 high speed processors.
The PMU includes 78L05 chips, differential mode inductance, integrated power supply chip and rectifier bridge.
The GPRS wireless remote transmission units include one piece of M590E-R2 communication chip and pass through physically-isolated C707SIM
Deck, C707SIM decks are arranged in wireless telecommunications slot.
The AD current sampling units and AD voltage sampling units use multi-channel A/D sampling A/D chip, and are connect by data sampling
Mouth gathers electric current, the voltage value of most 8 road ring main unit outlets.
The bolt hole conveniently attached it in ring main unit is further opened with the housing.
Technique effect of the present utility model：The utility model gathers ring main unit outlet in real time by AD data sampling units
The current value on (maximum 8 tunnels), voltage value data, are sent to user main website after being handled by CPU main control units, can not increase
Ring main unit interval, on the premise of not increasing floor space, be not related to civil engineering, not changing looped network case overall structure, in looped network
Installation bidirectional measuring device inside cabinet, greatly reduce the cost of ring main unit transformation, shorten the transformation cycle.Can thoroughly solve
Live main website species is not fixed, and the skimble-scamble situation of stipulations, can further increase the flexibility of communication mode.The utility model
Operating voltage can have the advantages of small volume, low in energy consumption, install convenient, can successfully manage directly from voltage transformer power taking
Live complex environment, it is easy for construction reliable.
Brief description of the drawings
Fig. 1 is the utility model overall structure diagram；
Fig. 2 is the utility model realization principle block diagram；
Fig. 3 is GPRS network processing unit circuit diagram of the present utility model.
Label represents respectively in figure：1- housings, 2- bolts hole, 3- running status display panels, 4- transformer interfaces, 5- electricity
Source interface, 6- data sampling interfaces, 7- maintenance interfaces, 8- communication state indicator lamps, 9- wireless telecommunications slots, 10-CPU master control lists
Member, 20-AD current sampling units, 30-AD voltage sampling units, 40- watchdog reset units, 50- PMUs, 60-
RS485 maintenance units, 70-GPRS wireless remote transmission units, 80-Flash data storage cells, 90-EEPROM parameter storage units,
100-IO interfaces, 200- universal serial bus, 300- fieldbus.
Embodiment
The utility model is further illustrated below in conjunction with the accompanying drawings：
As shown in figure 1, a kind of device for multiloop electric energy metrical, including the housing 1 in ring main unit, it is described
Main control board is installed in housing 1, CPU main control units 10 are installed on the main control board, is provided with the front of housing 1
For showing running status display panel 3, transformer interface 4, power interface 5, data sampling interface 6 and the dimension of running status
Interface 7 is protected, the transformer interface 4 is connected with power interface 5 and data Sampling Interface 6, is additionally provided with the housing 1 logical
News status indicator lamp 8 and wireless telecommunications slot 9, the main control board connect with running status display panel 3, transformer respectively
Mouth 4, power interface 5, data sampling interface 6, maintenance interface 7, communication state indicator lamp 8 and wireless telecommunications slot 9 connect.
The PMU 50 being connected with power interface 5 is separately installed with the main control board, is connect with transformer
The transformers of the connection of mouth 4, the AD current sampling units 20 being connected with data sampling interface 6 and AD voltage sampling units 30 and dimension
The shield interface 7 RS485 maintenance units 60 connected and the GPRS wireless remote transmission units 70 being connected with wireless telecommunications slot 9, it is described
PMU 50 is connected by power interface 5 and transformer interface 4 with transformer, the PMU 50, AD
Current sampling unit 20, AD voltage sampling units 30, RS485 maintenance units 60, GPRS wireless remote transmission units 70 with CPU master controls
The communication connection of unit 10.
The CPU main control units 10 are also joined with watchdog reset unit 40, Flash data memory cell 80 and EEPROM
The number communication connection of memory cell 90, Flash data memory cell 80 are used for store historical data, EEPROM parameter storage units 90
For storing important configuration parameters.
The AD current sampling units 20, AD voltage sampling units 30, watchdog reset unit 40 and power management list
Member 50 is connected with CPU main control units 10 by I/O interface 100, the RS485 maintenance units 60 and GPRS wireless remote transmission units 70
The realization of I/O interface 100 of CPU main control units 10 and interacting for CPU main control units 10 are connected to by universal serial bus 200, it is described
Flash data memory cell 80 and EEPROM parameter storage units 90 connect the IO of CPU main control units 10 by fieldbus 300
The realization of interface 100 interacts with CPU main control units 10.
The CPU main control units 10 use model STM32F407 32 high speed processors.
The PMU 50 includes 78L05 chips, differential mode inductance, integrated power supply chip and rectifier bridge.
The GPRS wireless remote transmission units 70 include one piece of M590E-R2 communication chip and by physically-isolated
C707SIM decks, C707SIM decks are arranged in wireless telecommunications slot 9.
The AD current sampling units 20 and AD voltage sampling units 30 use multi-channel A/D sampling A/D chip, and are adopted by data
Sample interface 6 gathers electric current, the voltage value of most 8 road ring main unit outlets.
It is further opened with conveniently attaching it to the bolt hole 2 in ring main unit on the housing 1.
PMU 50 is connected with by I/O interface 100 on CPU main control units 10, powers and disconnects in outside main power source
In the case of, PMU 50 is that CPU main control units 10 and GPRS wireless remote transmission units 70 are powered, and is able to maintain that 1~2 point
The supply of electric power of clock, the storage for main control unit significant data.CPU main control units are connected with hardware watchdog by I/O interface
Chip, for when CPU main control units cause to delay machine due to exception normal working condition can be returned to enforced reset.
CPU main control units of the present utility model are the cores of whole system, are adopted first by universal serial bus by AD data
Sample unit gathers magnitude of voltage, the electric current Value Data of most 8 road ring main unit outlets, and to each finger of collection in CPU main control units
Mark data such as are counted, are handled, alerted and uploaded at the work.After index and Real-time Monitoring Data processing, write by spi bus
Enter in Flash chip.
Above content is only to illustrate technological thought of the present utility model, it is impossible to limits protection model of the present utility model with this
Enclose, it is every according to the utility model proposes technological thought, any change done on the basis of technical scheme, each fall within this reality
Within protection domain with new claims.
Claims (9)
1. a kind of device for multiloop electric energy metrical, including the housing in ring main unit, it is characterised in that：The shell
Main control board is installed in vivo, CPU main control units are installed on the main control board, is provided with housing front for showing
Show running status display panel, transformer interface, power interface, data sampling interface and the maintenance interface of running status, institute
Transformer interface is stated with power interface and data Sampling Interface to be connected, be additionally provided with the housing communication state indicator lamp with
And wireless telecommunications slot, the main control board respectively with running status display panel, transformer interface, power interface, data
Sampling Interface, maintenance interface, communication state indicator lamp and the connection of wireless telecommunications slot.
A kind of 2. device for multiloop electric energy metrical according to claim 1, it is characterised in that：The governor circuit
The PMU being connected with power interface, the transformer being connected with transformer interface are separately installed with plate, is adopted with data
The AD current sampling units and AD voltage sampling units of the connection of sample interface, the RS485 maintenance units that are connected with maintenance interface and
The GPRS wireless remote transmission units being connected with wireless telecommunications slot, the PMU are connect by power interface and transformer
Mouthful be connected with transformer, the PMU, AD current sampling units, AD voltage sampling units, RS485 maintenance units,
GPRS wireless remote transmission units are communicated with CPU main control units and connected.
A kind of 3. device for multiloop electric energy metrical according to claim 2, it is characterised in that：The CPU master controls
Unit is also communicated with watchdog reset unit, Flash data memory cell and EEPROM parameter storage units and connected, Flash
Data storage cell is used for store historical data, and EEPROM parameter storage units are used to store important configuration parameters.
A kind of 4. device for multiloop electric energy metrical according to claim 3, it is characterised in that：The AD electric currents are adopted
Sample unit, AD voltage sampling units, watchdog reset unit and PMU and CPU main control units are connected by I/O interface
Connect, the I/O interface that the RS485 maintenance units and GPRS wireless remote transmission units are connected to CPU main control units by universal serial bus is real
Now interacted with CPU main control units, the Flash data memory cell and EEPROM parameter storage units connected by fieldbus
Connect the I/O interface realization of CPU main control units and interacting for CPU main control units.
A kind of 5. device for multiloop electric energy metrical according to claim 3, it is characterised in that：The CPU master controls
Unit uses model STM32F407 32 high speed processors.
A kind of 6. device for multiloop electric energy metrical according to claim 3, it is characterised in that：The power management
Unit includes 78L05 chips, differential mode inductance, integrated power supply chip and rectifier bridge.
A kind of 7. device for multiloop electric energy metrical according to claim 3, it is characterised in that：The GPRS is wireless
Remote transmission unit includes one piece of M590E-R2 communication chip and set by physically-isolated C707SIM decks, C707SIM decks
In wireless telecommunications slot.
A kind of 8. device for multiloop electric energy metrical according to claim 3, it is characterised in that：The AD electric currents are adopted
Sample unit and AD voltage sampling units use multi-channel A/D sampling A/D chip, and gather most 8 roads ring main unit by data sampling interface
Electric current, the voltage value of outlet.
9. according to a kind of any described devices for multiloop electric energy metrical of claim 1-7, it is characterised in that：The shell
The bolt hole conveniently attached it in ring main unit is further opened with body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721011300.5U CN207051387U (en) | 2017-08-14 | 2017-08-14 | A kind of device for multiloop electric energy metrical |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721011300.5U CN207051387U (en) | 2017-08-14 | 2017-08-14 | A kind of device for multiloop electric energy metrical |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207051387U true CN207051387U (en) | 2018-02-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721011300.5U Active CN207051387U (en) | 2017-08-14 | 2017-08-14 | A kind of device for multiloop electric energy metrical |
Country Status (1)
| Country | Link |
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| CN (1) | CN207051387U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108646088A (en) * | 2018-04-20 | 2018-10-12 | 南京天溯自动化控制系统有限公司 | A kind of master-slave mode can discrete distribution multi-loop electric energy monitoring terminal and method |
| CN109633261A (en) * | 2019-01-02 | 2019-04-16 | 西安金指针电子技术有限公司 | A kind of modularization multiloop metering system with communication function |
-
2017
- 2017-08-14 CN CN201721011300.5U patent/CN207051387U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108646088A (en) * | 2018-04-20 | 2018-10-12 | 南京天溯自动化控制系统有限公司 | A kind of master-slave mode can discrete distribution multi-loop electric energy monitoring terminal and method |
| CN109633261A (en) * | 2019-01-02 | 2019-04-16 | 西安金指针电子技术有限公司 | A kind of modularization multiloop metering system with communication function |
| CN109633261B (en) * | 2019-01-02 | 2022-01-28 | 西安金指针电子技术有限公司 | Modularization multiloop measurement system with communication function |
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