CN207675854U - A kind of distributed line loss monitoring device for ring main unit - Google Patents
A kind of distributed line loss monitoring device for ring main unit Download PDFInfo
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- CN207675854U CN207675854U CN201820028552.7U CN201820028552U CN207675854U CN 207675854 U CN207675854 U CN 207675854U CN 201820028552 U CN201820028552 U CN 201820028552U CN 207675854 U CN207675854 U CN 207675854U
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- 238000012806 monitoring device Methods 0.000 title claims abstract description 16
- 238000012544 monitoring process Methods 0.000 claims abstract description 46
- 230000005540 biological transmission Effects 0.000 claims abstract description 15
- 238000004891 communication Methods 0.000 claims description 14
- 230000005611 electricity Effects 0.000 claims description 9
- 238000005070 sampling Methods 0.000 claims description 8
- 238000005516 engineering process Methods 0.000 claims description 4
- 230000002457 bidirectional effect Effects 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 3
- 238000009434 installation Methods 0.000 abstract description 2
- 230000002159 abnormal effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000205 computational method Methods 0.000 description 1
- 238000007405 data analysis Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
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Abstract
The utility model provides a kind of distributed line loss monitoring device for ring main unit, including wireless transmission terminal and line loss monitoring terminal in ring main unit low-pressure side is arranged, the wireless transmission terminal is connected to distant place main website by GPRS network, the line loss monitoring terminal is arranged by voltage link connection in the on high-tension side plug-type voltage sensor of ring main unit, the line loss monitoring terminal is also arranged by electric current wiring connection in the on high-tension side current sensor of ring main unit, plug-type voltage sensor and current sensor collection voltages data and current data are transferred to line loss monitoring terminal and are handled, handling result is transferred to distant place main website by line loss monitoring terminal by wireless transmission terminal.The multiloop accurate line loss monitoring of ring main unit saves the space of equipment installation, equipment and construction cost is greatly reduced, realizes the synchronization line loss monitoring of a plurality of branch line of ring main unit.
Description
Technical field
The present invention relates to a kind of distributed line loss monitoring devices for ring main unit, can meet and not increase cabinet and looped network
Under the premise of cabinet interval, working power is obtained from the sides 10kV, increases line loss monitoring function in fortune ring main unit, belongs to electrical measurement skill
Art field.
Background technology
Ring main unit is mainly characterized by totally-enclosed, all insulation, full-shield, and busbar and high-voltage switch gear live part are all closed
In gas tank, cable is then enclosed in cable accessory.Current mounted 10kV ring main units are largely not provided with line loss monitoring
Point increases line loss monitoring point as a real demand with the fining of Controlling line loss and examination in ring main unit.However
According to traditional line loss monitoring mode, increases a line loss monitoring point and usually require to increase one side monitoring cabinet, in addition to equipment investment
The problems such as may also relate to take up an area examination ＆ approval and capital construction, program is complicated, and enforcement difficulty is big, long in time limit.
In actual operation, also a kind of situation can bring puzzlement to Controlling line loss, be exactly that the special promise breaking for becoming large user is used
Electricity causes critical point line loss monitoring device abnormal, is damaged so as to cause circuit height.Because being using " line loss=circuit is defeated when statistical line losses
Enter electricity-circuit output electricity " computational methods, if output electricity misalignment, statistical result will be distorted.Such case is a
Not place is difficult to investigate than more serious, and by conventional means.In order to find and position abnormal line loss monitoring dress in time
It sets, needs in ring main unit, be that every user's outlet increases line loss monitoring point, carried out with the critical point line loss monitoring device of user side
Monitoring rate pair.
Increase line loss monitoring device in ring main unit, needs to meet space requirement, insulating requirements and standardisation requirements.
In addition, ring main unit usually not low-pressure section, it is therefore desirable to solve the low-voltage power supply of line loss monitoring and communication equipment
Problem.
Utility model content
There is provided the purpose of the utility model is to overcome the deficiency of above-mentioned prior art it is a kind of can simultaneously, accurately monitor ring
The electricity of different inlet-outlet lines in net cabinet, and do not increase cabinet and the line loss monitoring device at ring main unit interval.
The technical solution of the utility model：A kind of distributed line loss monitoring device for ring main unit, including be arranged in ring
The wireless transmission terminal and line loss monitoring terminal of net cabinet low-pressure side, the wireless transmission terminal are connected to a distant place by GPRS network
Main website, the line loss monitoring terminal are arranged by voltage link connection in the on high-tension side plug-type voltage sensor of ring main unit, institute
Line loss monitoring terminal is stated also to be arranged in the on high-tension side current sensor of ring main unit, plug-type voltage sensor by electric current wiring connection
Device and current sensor collection voltages data and current data are transferred to line loss monitoring terminal and are handled, and line loss monitoring terminal will
Handling result is transferred to distant place main website by wireless transmission terminal.
The line loss monitoring terminal includes power module, MCU, RS485 communication module and energy monitor unit, power supply mould
Block connects MCU to supply power for, and energy monitor unit includes multigroup computation chip, and energy monitor unit passes through multigroup metering core
The energy data of piece measuring plug formula voltage sensor and current sensor acquisition, the energy monitor unit are logical by RS485
Letter module is connected to MCU and realizes that MCU carries out bidirectional data exchange with energy monitor unit, and energy data is stored and divided
Analysis.
The plug-type voltage sensor includes taking electrical circuit and voltage sampling circuit, and electrical circuit is taken to be directly connected to looped network
The 10kV cables of cabinet, to give power module, RS485 communication modules and energy monitor unit to provide power supply, voltage sample electricity
Road is directly connected to the 10kV cables of ring main unit to collection voltages data and is transferred to energy monitor unit.
The current sensor is provided with 1-8 groups in ring main unit, and current sensor includes current collection circuit, and electric current is adopted
Collector is directly connected to the 10kV cables of ring main unit to acquire current data and be transferred to energy monitor unit.
The computation chip uses the CSE7759 electric energy computation chips of Xin Hai Science and Technology Ltd.s.
The MCU uses Texas Instrument's MSP430 microcontrollers.
The utility model has the beneficial effects that：The multiloop accurate line loss monitoring of ring main unit saves the sky of equipment installation
Between, using plug type voltage transformer, can be directly mounted at behind cable vault's looped network cabinet wire plug, without increasing monitoring cabinet,
Equipment and construction cost is greatly reduced, realizes the synchronization line loss monitoring of a plurality of branch line of ring main unit, the line in the utility model
Damage monitoring terminal can acquire most 8 groups of voltage and current signals simultaneously, while realize the line loss monitoring of 8 road branch lines.
Description of the drawings
Fig. 1 is the utility model overall structure diagram；
Fig. 2 is the utility model schematic block circuit diagram.
Figure label indicates respectively：1-distant place main website, 2-wireless transmission terminals, 3-line loss monitoring terminals, 4-plugs
Formula voltage sensor, 5-current sensors, 6-10kV cables, 30-power modules, 31-MCU, 32-RS485 communicate mould
Block, 33-energy monitor units, 40-take electrical circuit, 41-voltage sampling circuits, 50-current collection circuits.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
Referring to Fig. 1, the technical solution of the utility model：A kind of distributed line loss monitoring device for ring main unit, packet
The wireless transmission terminal 2 and line loss monitoring terminal 3 being arranged in ring main unit low-pressure side are included, the wireless transmission terminal 2 passes through GPRS
Network connection is to distant place main website 1, and the line loss monitoring terminal 3 is by voltage link connection setting in the on high-tension side plug of ring main unit
Formula voltage sensor 4, the line loss monitoring terminal 3 are also arranged by electric current wiring connection in the on high-tension side current sense of ring main unit
Device 5, plug-type voltage sensor 4 and 5 collection voltages data of current sensor and current data be transferred to line loss monitoring terminal 3 into
Handling result is transferred to distant place main website 1 by row processing, line loss monitoring terminal 3 by wireless transmission terminal 2.
The line loss monitoring terminal 3 includes power module 30, MCU31, RS485 communication module 32 and energy monitor unit
33, power module 30 connects MCU31 to supply power for, and energy monitor unit 33 includes multigroup computation chip 330, energy monitor
The energy data that unit 33 is acquired by 330 measuring plug formula voltage sensor 4 of multigroup computation chip and current sensor 5, institute
It states energy monitor unit 33 and MCU31 is connected to by RS485 communication modules 32, realize that MCU31 is carried out with energy monitor unit 33
Energy data is stored and is analyzed by bidirectional data exchange.
The plug-type voltage sensor 4 includes taking electrical circuit 40 and voltage sampling circuit 41, and electrical circuit 40 is taken directly to connect
The 10kV cables 6 of ring main unit are connected to, to give power module 30, RS485 communication modules 32 and energy monitor unit 33 to provide
Power supply, voltage sampling circuit 41 are directly connected to the 10kV cables 6 of ring main unit to collection voltages data and are transferred to electric energy prison
Survey unit 33.
The current sensor 5 is provided with 1-8 groups in ring main unit, and current sensor 5 includes current collection circuit 50, electricity
Stream Acquisition Circuit 50 is directly connected to the 10kV cables 6 of ring main unit, to acquire current data and be transferred to energy monitor unit
33。
The computation chip 330 uses the CSE7759 electric energy computation chips of Xin Hai Science and Technology Ltd.s.
The MCU31 uses Texas Instrument's MSP430 microcontrollers.
Current sensor 5 is open-close type, and electricity is carried out on multigroup shielded cable that can be directly socketed in ring main unit per road branch line
Stream sampling；Plug-type voltage sensor 4 be mounted on looped network cabinet wire cable plug behind, can directly to 10kV high-tension lines into
Row voltage sample, while being alternatively multiloop electric energy meter and working power is provided；Line loss monitoring terminal 3 can acquire every group of electric current respectively
The current sampling data of sensor 5 and the voltage sample value of voltage sensor 4, and 24V work electricity can be obtained from voltage sensor 4
Source, line loss monitoring terminal has local communication, energy monitor and store function, while can provide 12V working powers；Wireless data sending
Terminal 2 has the function of local communication, distant place communication and data acquisition and storage, and 12V works can be obtained from line loss monitoring terminal 3
Make power supply；Wireless Data Transmission Terminal 2 connects electrical connection damage monitoring terminal by RS485, periodically acquires number from line loss monitoring terminal 3
According to；Wireless output, which passes whole 2, has GPRS communication functions, is uploaded the data period in afield main website 1 by GPRS；Distant place main website
1 is installed in power department telemechanical computer room, is made of multiple servers and network.Distant place main website 1 can be with more wireless data sending ends
2 communication of end, the data of automatic collection Wireless Data Transmission Terminal 2, carry out calculating and data analysis automatically, and lead to according to the demand of user
It crosses WEB server and carries out data publication.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is appreciated that can these embodiments be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (6)
1. a kind of distributed line loss monitoring device for ring main unit, it is characterised in that：Including being arranged in ring main unit low-pressure side
Wireless transmission terminal and line loss monitoring terminal, the wireless transmission terminal are connected to distant place main website, the line by GPRS network
For damage monitoring terminal by voltage link connection setting in the on high-tension side plug-type voltage sensor of ring main unit, the line loss monitoring is whole
End is also arranged by electric current wiring connection in the on high-tension side current sensor of ring main unit, plug-type voltage sensor and current sense
Device collection voltages data and current data are transferred to line loss monitoring terminal and are handled, and line loss monitoring terminal passes through handling result
Wireless transmission terminal is transferred to distant place main website.
2. a kind of distributed line loss monitoring device for ring main unit according to claim 1, it is characterised in that：The line
Damage monitoring terminal includes power module, MCU, RS485 communication module and energy monitor unit, power module connect MCU to
It supplies power for, energy monitor unit includes multigroup computation chip, and energy monitor unit passes through multigroup computation chip measuring plug formula
The energy data of voltage sensor and current sensor acquisition, the energy monitor unit are connected to by RS485 communication modules
MCU realizes that MCU carries out bidirectional data exchange with energy monitor unit, and energy data is stored and analyzed.
3. a kind of distributed line loss monitoring device for ring main unit according to claim 2, it is characterised in that：It is described to insert
Hair style voltage sensor includes taking electrical circuit and voltage sampling circuit, and electrical circuit is taken to be directly connected to the 10kV cables of ring main unit,
To give power module, RS485 communication modules and energy monitor unit to provide power supply, voltage sampling circuit is directly connected to ring
The 10kV cables of net cabinet are to collection voltages data and are transferred to energy monitor unit.
4. a kind of distributed line loss monitoring device for ring main unit according to claim 2, it is characterised in that：The electricity
Flow sensor is provided with 1-8 groups in ring main unit, and current sensor includes current collection circuit, and current collection circuit is directly connected to
10kV cables to ring main unit to acquire current data and are transferred to energy monitor unit.
5. a kind of distributed line loss monitoring device for ring main unit according to claim 2, it is characterised in that：The meter
Measure the CSE7759 electric energy computation chips that chip uses Xin Hai Science and Technology Ltd.s.
6. a kind of distributed line loss monitoring device for ring main unit according to claim 2, it is characterised in that：It is described
MCU uses Texas Instrument's MSP430 microcontrollers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820028552.7U CN207675854U (en) | 2018-01-08 | 2018-01-08 | A kind of distributed line loss monitoring device for ring main unit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820028552.7U CN207675854U (en) | 2018-01-08 | 2018-01-08 | A kind of distributed line loss monitoring device for ring main unit |
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| CN207675854U true CN207675854U (en) | 2018-07-31 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108828367A (en) * | 2018-07-13 | 2018-11-16 | 深圳友讯达科技股份有限公司 | Dynamic configuration plug and play technique for distribution automation line loss acquisition device |
| CN109254183A (en) * | 2018-09-07 | 2019-01-22 | 国网安徽省电力有限公司淮南供电公司 | A kind of metering system for ring network cabinet |
| CN109406871A (en) * | 2018-09-07 | 2019-03-01 | 国网安徽省电力有限公司淮南供电公司 | The data transferring method of metering system built in a kind of ring network cabinet |
| CN110535235A (en) * | 2019-06-24 | 2019-12-03 | 上海宏力达信息技术股份有限公司 | Route running state analysis monitoring device based on Internet of Things |
-
2018
- 2018-01-08 CN CN201820028552.7U patent/CN207675854U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108828367A (en) * | 2018-07-13 | 2018-11-16 | 深圳友讯达科技股份有限公司 | Dynamic configuration plug and play technique for distribution automation line loss acquisition device |
| CN109254183A (en) * | 2018-09-07 | 2019-01-22 | 国网安徽省电力有限公司淮南供电公司 | A kind of metering system for ring network cabinet |
| CN109406871A (en) * | 2018-09-07 | 2019-03-01 | 国网安徽省电力有限公司淮南供电公司 | The data transferring method of metering system built in a kind of ring network cabinet |
| CN110535235A (en) * | 2019-06-24 | 2019-12-03 | 上海宏力达信息技术股份有限公司 | Route running state analysis monitoring device based on Internet of Things |
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