CN108333400A - A kind of intelligent metering case and its application - Google Patents
A kind of intelligent metering case and its application Download PDFInfo
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- CN108333400A CN108333400A CN201810225204.3A CN201810225204A CN108333400A CN 108333400 A CN108333400 A CN 108333400A CN 201810225204 A CN201810225204 A CN 201810225204A CN 108333400 A CN108333400 A CN 108333400A
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- chamber door
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R11/00—Electromechanical arrangements for measuring time integral of electric power or current, e.g. of consumption
- G01R11/02—Constructional details
- G01R11/04—Housings; Supporting racks; Arrangements of terminals
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R11/00—Electromechanical arrangements for measuring time integral of electric power or current, e.g. of consumption
- G01R11/02—Constructional details
- G01R11/24—Arrangements for avoiding or indicating fraudulent use
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- General Physics & Mathematics (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The present invention relates to low-voltage power supply facility field, a kind of intelligent metering case and its application are particularly disclosed.The intelligent metering case, including the internal babinet for being divided into two cavity spaces in left and right, it is characterised in that：Cavity is from top to bottom sequentially installed with intelligent phase-change switch, line branch terminal, double switch A and double switch B on the left of babinet；Cavity is from top to bottom sequentially installed with several pieces of electric energy meters on the right side of babinet；Terminated line is concatenated between the intelligence phase-change switch, line branch terminal, double switch A and electric energy meter, electric energy meter is by double switch B connection users, and every electric energy meter connects intelligent phase-change switch by electrical energy impulse signals line.The present invention is integrated with three-phase equilibrium function, anti-stealing electricity function and battalion's power distribution information integrated monitoring function, it is suitable for upgrade of rural power grids and urban power grid upgrading, intelligent product degree is high, have telecommunication and control function, it can be achieved that power grid marketing distribution integrated management.
Description
（One）Technical field
The present invention relates to low-voltage power supply facility field, more particularly to a kind of intelligent metering case and its application.
（Two）Background technology
Low voltage electric network seek the distribution scope of business in, power grid three-phase imbalance phenomenon generally existing, user's stealing situation also when have hair
Raw, electric energy marketing and distribution business cannot agree to management and control, the presence of this three kinds of phenomenons causes that power grid power quality is low, electric energy
Loss is higher, electric energy battalion is high with management cost.Therefore, in realizing battalion's process of distributing electricity, power department realizes electricity as possible
Net three-phase equilibrium prevents stealing electricity phenomenon from occurring, realizes battalion's distribution integrated management as striving direction, and uses intelligent metering case
It is power distribution station O＆M, marketing management intelligence, one of the means automated.
（Three）Invention content
In order to compensate for the shortcomings of the prior art, the present invention provides a kind of adjusting three-phase equilibrium, improve power quality, reduction power grid
The intelligent metering case of management cost and its application.
The present invention is achieved through the following technical solutions：
A kind of intelligent metering case, including the internal babinet for being divided into two cavity spaces in left and right, it is characterised in that：Cavity on the left of babinet
From top to bottom it is sequentially installed with intelligent phase-change switch, line branch terminal, double switch A and double switch B；Cavity is by upper on the right side of babinet
Several pieces of electric energy meters are sequentially installed under；It is gone here and there between the intelligence phase-change switch, line branch terminal, double switch A and electric energy meter
It is connected to load line, electric energy meter is by double switch B connection users, and every electric energy meter connects intelligence by electrical energy impulse signals line
It can phase-change switch.
Integrated intelligent phase-change switch of the present invention and family electricity box have in one and adjust three-phase equilibrium, power energy monitoring and controlling and thief-proof
Electricity Functional distribution integrated management, it can be achieved that electric energy is marketed, to play the effect for improving power quality, reducing administration of power networks cost
Fruit.
The present invention more excellent technical solution be：
The babinet includes the bottom case for being divided into two cavity spaces in left and right by intermediate bulkhead, is provided on bottom case and closes off two
The left chamber door and right chamber door of a cavity space are mounted on box door lock on left chamber door and right chamber door, and partition board both sides are equipped with difference
Electromagnetic lock, the chamber door position switch of corresponding left chamber door and right chamber door, left and right chamber door are respectively independently opened and closed, electromagnetic lock control line and intelligence
Energy phase-change switch is connected, and the opening and closing of electromagnetic lock is controlled by the corresponding signal of intelligent phase-change switch, is realized by command adapted thereto
The purpose that chamber door is opened is controlled, after chamber door is closed, oppresses the chamber door position switch on babinet, realization chamber door is closed and breakdown action
Record, upload, to avoid non-management employee from opening distribution box, prevent various electricity stealings from occurring.
The electric energy meter is six installed side by side two-by-two, but is not limited only to 6, and every two electric energy meter lower ends setting is wired
Slot is equipped with wiring duct cover on wire casing；Every electric energy meter pulse signal interface is connected with two signal wires, transmission electrical energy pulse to intelligence
Can 232 serial ports of phase-change switch, by the electricity consumption of each electric energy meter send to can only the electric energy computation chip of phase-change switch make follow-up place
Reason.
Entrance hole is provided on the babinet, intelligent phase-change switch bottom is provided with zero terminal and fire line terminal, separated time
Corresponding zero curve connector and firewire connector are provided in terminal, double switch into line through the double switch A of line branch terminal connection.
Double switch A enter line by ammeter and connect electric energy meter, and the load line of electric energy meter is double by ammeter outlet connection
Babinets are stretched out in switch B, the double ends switch B outlets.
A, double switches and double B, switches are arranged respectively at the left chamber door lower part, and double switch A door locks are by power supply department
Control, double B, switches are by user management.
The partition board both sides of the bottom case are separately installed with left chamber door electromagnetic lock, the left chamber door position sensor of corresponding left chamber door
Right chamber door electromagnetic lock, right chamber door position sensor with the right chamber door of correspondence, left chamber door electromagnetic lock, left chamber door position sensor, the right side
Chamber door electromagnetic lock and right chamber door position sensor connect intelligent phase-change switch by conducting wire.
Several uniformly distributed energy-stored springs of corresponding left chamber door and right chamber door are provided on the partition board of the bottom case, for left and right
Energy storage when chamber door is closed.
The application of the intelligent metering case, it is characterised in that：Several intelligent metering casees and server networking in taiwan area
Operation, intelligent metering case upload the warning information of access point voltage and current data and intelligent phase-change switch by wireless communication networks
To server, for judging taiwan area supply line fault type and calculating the geographical location residing for fault point.
Server is in real time to the power information and power grid of taiwan area distribution transforming exit potential electric current and the passback of single intelligent metering case
Voltage and current information carries out big data analysis, judges to whether there is fault condition in taiwan area, and if it exists, then pass through the man-machine of system
Interactive interface sends out corresponding alarm prompt, and judgment model is as follows：（1）If separate unit intelligent metering case passback electric leakage or stealing failure
Information then can combine taiwan area intelligent metering case location distribution figure, direct failure judgement point according to batch meter ID numbers
It sets；（2）If concentrator sends electric leakage or stealing warning information, and single intelligent metering case does not send electric leakage or stealing information, then
System judges that taiwan area power grid main line has electric leakage or stealing failure；（3）If open circuit fault occurs in main line, according to intelligent metering
The voltage data comprehensive descision trip point of case passback is in main line section or certain branch line between certain two intelligent metering case.
Power grid three-phase imbalance degrees of data, user power utilization information, door lock opening and closing information that intelligent metering case detects etc. are
Be uploaded to server by wireless telecommunications, it can be achieved that power grid all the period of time integration information monitoring；The power grid that batch meter detects
Voltage/current information, the open and-shut mode of intelligent metering box door lock, intelligent phase-change switch itself various warning information in real time on
Server is reached, can be inquired in server human-computer interaction interface, can also be inquired in mobile phone terminal；Meanwhile in the man-machine friendship of server
Mutual interface or the interfaces mobile phone terminal APP can also carry out intelligent metering case remote control operation, including intelligent phase-change switch changes
Phase, tripping, combined floodgate etc. also can control the unlatching of intelligent metering box door lock.
The present invention is integrated with three-phase equilibrium function, anti-stealing electricity function and battalion's power distribution information integrated monitoring function, is suitable for
Upgrade of rural power grids and urban power grid upgrading, intelligent product degree is high, has telecommunication and control function, it can be achieved that power grid
Marketing distribution integrated management.
（Four）Description of the drawings
The present invention will be further described below with reference to the drawings.
Fig. 1 is all geodesic structure schematic diagrames of the present invention；
Fig. 2 is partial enlarged view shown in FIG. 1；
Fig. 3 is the internal structure schematic diagram of the present invention；
Fig. 4 is disassemblying structure schematic diagram shown in Fig. 3；
Fig. 5 is axonometric drawing shown in Fig. 3；
Fig. 6 is partial enlarged view shown in fig. 5；
Fig. 7 is the installation condition schematic diagram of electromagnetic lock of the present invention and chamber door position sensor；
Fig. 8 is the structural relation schematic diagram with chamber door under electromagnetic lock lockup state；
Fig. 9 is the structural schematic diagram of electromagnetic lock of the present invention；
Figure 10 is the structural schematic diagram of line branch terminal of the present invention；
Figure 11 is the taiwan area distribution schematic diagram of the present invention；
Figure 12 is taiwan area breakdown judge principle schematic of the present invention.
In figure, 1 bottom case, 2 box door locks, 201 left box door locks, 202 right box door locks, 3 right chamber doors, 4 left chamber doors, 5 entrance holes, 6
Babinet outlet, 7 couples of switch B, 8 ammeter outlets, 9 ammeters enter line, and 10 couples of switch A, 11 pairs switch into line, 12 distribution terminals
Son, 1201 zero curve connectors, 1202 firewire connectors, 13 intelligent phase-change switches, 14 access control system control lines, 15 electrical energy impulse signals
Line, 16 electromagnetic locks, 1601 left chamber door electromagnetic locks, 1602 right chamber door electromagnetic locks, 17 chamber door position switch, 1701 left chamber door positions pass
Sensor, 1702 right chamber door position sensors, 18 energy-stored springs, 19 electric energy meters, 1901 1# electric energy meters, 1902 2# electric energy meters,
1903 3# electric energy meters, 1904 4# electric energy meters, 1905 5# electric energy meters, 1906 6# electric energy meters, 20 wiring duct covers, 21 fire line terminals,
22 zero terminals, 23 load lines.
（Five）Specific implementation mode
Attached drawing is a kind of specific embodiment of the present invention.The embodiment includes the internal babinet for being divided into two cavity spaces in left and right,
Cavity is from top to bottom sequentially installed with intelligent phase-change switch 13, line branch terminal 12, double switch A10 and double switches on the left of babinet
B7；Cavity is from top to bottom sequentially installed with several pieces of electric energy meters 19 on the right side of babinet；The intelligence phase-change switch 13, line branch terminal
12, between double switch A10 and electric energy meter 19 concatenate terminated line 23, electric energy meter 19 by double switch B7 connection users, and
Every electric energy meter 19 connects intelligent phase-change switch 13 by electrical energy impulse signals line 15.
The babinet includes the bottom case 1 for being divided into two cavity spaces in left and right by intermediate bulkhead, and difference is provided on bottom case 1
The left chamber door 4 and right chamber door 3 of two cavity spaces are closed, box door lock 2, the left case are mounted on left chamber door 4 and right chamber door 3
4 lower parts of door have the door of the door and double switch B7 of double switch A10, the door lock of double switch A10 to be controlled by power supply department respectively,
The door of double switch B7 is by user management；Partition board both sides are equipped with electromagnetic lock 16, the case for corresponding to left chamber door 4 and right chamber door 3 respectively
Door position switch 17；The electric energy meter 19 is six installed side by side two-by-two, and 19 lower end of every two electric energy meters is provided with wire casing, line
Wiring duct cover 20 is installed on slot.
Entrance hole 5 is provided on the babinet, 13 bottom of intelligent phase-change switch is provided with zero terminal 22 and fire line terminal
21, corresponding zero curve connector 1201 and firewire connector 1202 are provided in line branch terminal 12, and double switch into line 11 through distribution terminal
The double switch A10 of 12 connection of son；Double switch A10 enter line 9 by ammeter and connect electric energy meter 19, the load line of electric energy meter 19
23 connect double switch B7 by ammeter outlet 8, and babinet outlet 6 is stretched out in the double ends switch B7；The partition board both sides of the bottom case 1
It is separately installed with the left chamber door electromagnetic lock 1601 of corresponding left chamber door 4, the right side of left chamber door position sensor 1701 and corresponding right chamber door 3
Chamber door electromagnetic lock 1602, right chamber door position sensor 1702, left chamber door electromagnetic lock 1601, left chamber door position sensor 1701, the right side
Chamber door electromagnetic lock 1602 and right chamber door position sensor 1702 connect intelligent phase-change switch 13 by access control system control line 14；
Several uniformly distributed energy-stored springs 18 of corresponding left chamber door 4 and right chamber door 3 are provided on the partition board of the bottom case 1.
Intelligent phase-change switch 13 itself has electrical energy measurement function, can read each electric energy by electric energy meter pulse signal-line 15
The pulse signal of table 19, the pulse data for each electric energy meter 19 of adding up calculate overall amount of electrical power, and with intelligent phase-change switch 13
The overall power numerical value of computation chip statistics compares, and is more than that given threshold uploads alarm；Various stealings can effectively be avoided
The generation of behavior（Including around electricity stealings such as table wiring, the setting of change metering device, interferometer device, borrow zero curves）；Electricity
The time cycle that can compare can hour or day be computation of Period, can also be configured as the case may be.
Intelligent metering case chamber door has electronic access control system, including electromagnetic lock 2, chamber door position sensor 2, chamber door store up
It can 6, spring（It is not limited only to 6）, need external command mandate remote de-locking or unlocked by cell phone application mandate, prevent no mandate
Unlock；Unlocking information can be uploaded, be preserved, and can be inquired, it is ensured that intelligent metering box-like state is controllably being controlled in real time；Measure chamber door electromagnetic lock
16 are equipped with independent stand-by power supply, can open box door lock in grid cut-off.In addition, batch meter is also equipped with standard machinery door
Lock, the respectively configuration one of left and right chamber door.
Electromagnetic lock 1601/1602 is fixed on batch meter bottom case 1, and chamber door position sensor 1701/1702 also is secured to count
On measuring tank bottom case 1, energy-stored spring 18 is fixed on bottom case 1.
Locking chamber door operating procedure be：（1）Left and right chamber door is closed respectively, and 1601/1602 lock tongue of electromagnetic lock, which is in, to be stretched out
State, metering chamber door are limited by lock tongue, cannot freely be opened；（2）Chamber door compressed energy-storage spring 18, is at energy storage state；
Meanwhile chamber door compressing chamber door position sensor 1701/1702, sensor send chamber door shutdown signal to intelligent phase-change switch 13,
Intelligent phase-change switch 13 uploads chamber door closed state information to server；（3）Lock standard machinery lock 201/202.
Open chamber door operating procedure be：（1）Open standard machinery lock 201/202；（2）Pass through mobile phone terminal APP or electricity
Brain terminal remote sends unlock instruction, opens electromagnetic lock 1601 or 1602, and electromagnetic lock lock tongue is in contraction state, and chamber door is not locked
Tongue limits, and chamber door automatically turns under the thrust of energy-stored spring 18.
Intelligent phase-change switch has tri-phase unbalance factor regulatory function, can adjust mould by intelligent phase-change switch local system
Formula adjusts tri-phase unbalance factor on the basis of access point three-phase voltage, can also the instruction of system human-computer interaction interface or centralized control
The commutation action of the intelligent phase-change switch of the regulation and control that send instructions under device is direct；Three of the above regulative mode can mix in same taiwan area
Using, while the degree of unbalancedness of taiwan area three-phase voltage and three-phase current is adjusted, to the adjustment effect being optimal, control power grid
Tri-phase unbalance factor is in the threshold range of setting, to realize the purpose for reducing taiwan area line loss.
Other functions that intelligent phase-change switch has have：Wireless communication function, earth leakage detection functions, overload protection function,
Overvoltage/under-voltage protection function, short-circuit protection function, default-phase protection function, electric losing self-locking function.Wherein wireless communication function refers to
Switch has wireless communication module, can choose any one kind of them in carrier wave, wireless, tri- kinds of communication modes of GPRS, standard configuration 485/232 is logical
Interrogate module；Earth leakage detection functions refer to when switch detects load circuit there are drain conditions and leakage current is beyond setting model
It encloses, then switch trip and sends corresponding warning message；Overload protection function refers to when switch load-current is beyond setting condition
Afterwards, switch trip and it is transmitted across load warning message；Overvoltage/under-voltage protection function refers to when switch access point voltage is higher than setting most
High-voltage value or less than setting minimum voltage value, then switch trip and be transmitted across pressure/undervoltage warning information, when access point voltage is extensive
It answers to normal range (NR), switch closes a floodgate and runs again；Short-circuit protection function refer to when there is short-circuit state in switching load circuit,
Then switch trips in given time, and downstream power grid and electrical equipment, Simultaneous Switching is protected to send short-circuit warning information；Phase shortage is protected
Protective function refers to working as one phase decompression of power supply, and switch should be able to be fixed on a certain phase and be latched output loop automatically, it is ensured that circuit is normal
Power supply；Electric losing self-locking function refers to after switch accesses power cut-off, and switch can be locked in current conducting phase, switch on again
It can save upper power information after electricity and judge the temporal information of last time power-off, and information can be uploaded.The alarm signal of above each function
Breath can be stored in short-term to be switched in the memory of itself, while warning message is uploaded to server.
In taiwan area after more intelligent metering casees and server networking operation, batch meter passes through wireless communication networks and uploads access
The various warning information of point voltage and current data and intelligent phase-change switch can determine whether taiwan area supply line fault type to server
And calculate geographical location residing for fault point.Taiwan area electricity consumption fault type is divided into 3 kinds, is electric leakage, open circuit, stealing respectively.Server
The power information to taiwan area distribution transforming exit potential electric current and the passback of single metering case and network voltage current information carry out big in real time
Data analysis judges to whether there is fault condition in taiwan area, and if it exists, then send out accordingly by the human-computer interaction interface of system
Alarm prompt.Its judgment model is as follows：（1）If separate unit intelligent metering case passback electric leakage or stealing fault message, being capable of basis
Batch meter ID numbers combine taiwan area intelligent metering case location distribution figure, direct failure judgement point position；（2）If concentrator is sent out
Electric leakage or stealing warning information are sent, and single metering case does not send electric leakage or stealing information, then system judges taiwan area power grid main line
There are electric leakage or stealing failure in road；（3）If open circuit fault occurs in main line, according to the voltage data comprehensive descision of batch meter passback
Trip point is in main line section or certain branch line between certain two batch meter.
With Figure 12 for example, when batch meter 7 send a warning message for electric leakage alarming when, then can determine that electric leakage region be meter
Failure caused by 6 users that measuring tank 7 loads then judges when the warning information that batch meter 7 uploads is stealing fault warning
The source of failure in be equally batch meter load 6 users caused by failure；If hub sends electric leakage alarming information, own
Batch meter does not send leak current fault warning information, then judges that leak current fault point is located at main line somewhere or branch line somewhere.
Such as Figure 12, after batch meter 7 sends decompression warning information, system reads the batch meter voltage closed on its upstream automatically
Information continues the information of voltage for reading upstream batch meter 2 if the still decompression of batch meter 3, if 2 voltage status of batch meter is normal,
It then can determine that open circuit fault position is in the main line region between batch meter 2 and batch meter 3；If only batch meter sends decompression and accuses
Alert information, and remaining batch meter voltage status is normal, then can determine that open circuit fault point between batch meter 7 and batch meter 3
On backbone section.If all batch meters all send decompression warning information simultaneously, it can determine that, basic routing line most upstream occurs
Failure.If only batch meter 3 sends decompression warning information, and remaining batch meter voltage status is normal, then can determine that open circuit fault
Point is located on branch line residing for batch meter 3, if similarly only having certain branch batch meter to send decompression warning information, and remaining batch meter is electric
Pressure condition is normal, then can determine whether that open circuit fault is located at branch residing for the batch meter.
In conclusion this intelligent metering case can realize that the automation of power distribution station three-phase electric energy balance is administered, taiwan area is reduced
Line loss；Metering chamber door open and-shut mode can be monitored by batch meter electromagnetic lock access control system all the period of time, prevented by beating privately
The state stealing electricity phenomenon generation that batch meter changes metering device is opened, meanwhile, electric energy metered system can analyze user in this batch meter
With the presence or absence of the stealing situation by borrowing zero curve；Intelligent metering case can upload power distribution station fault message, power energy monitoring and controlling letter
The warning information of breath and intelligent phase-change switch itself；By using intelligent metering and its matching network equipment, it can be achieved that electric energy is sought
With integrated management, to reduce power distribution station management cost.
Claims (10)
1. a kind of intelligent metering case, including the internal babinet for being divided into two cavity spaces in left and right, it is characterised in that：Babinet left side cavity
Body is from top to bottom sequentially installed with intelligent phase-change switch（13）, line branch terminal（12）, double switch A（10）With double switch B
（7）；Cavity is from top to bottom sequentially installed with several pieces of electric energy meters on the right side of babinet（19）；The intelligence phase-change switch（13）, separated time
Terminal（12）, double switch A（10）And electric energy meter（19）Between concatenate terminated line（23）, electric energy meter（19）It is switched by double
B（7）Connect user, and every electric energy meter（9）Pass through electrical energy impulse signals line（15）The intelligent phase-change switch of connection（13）.
2. intelligent metering case according to claim 1, it is characterised in that：The babinet includes being divided into a left side by intermediate bulkhead
The bottom case of right two cavity spaces（1）, bottom case（1）On be provided with the left chamber door for closing off two cavity spaces（4）With right case
Door（3）, left chamber door（4）With right chamber door（3）On be mounted on box door lock（2）, partition board both sides are equipped with corresponds to left chamber door respectively（4）
With right chamber door（3）Electromagnetic lock（16）, chamber door position switch（17）.
3. intelligent metering case according to claim 1, it is characterised in that：The electric energy meter（19）It installs side by side two-by-two
Six, every two electric energy meter lower ends are provided with wire casing, and wiring duct cover is equipped on wire casing（20）.
4. intelligent metering case according to claim 1, feature exist：It is provided with entrance hole on the babinet（5）, intelligently change
Mutually switch（13）Bottom is provided with zero terminal（22）And fire line terminal（21）, line branch terminal（12）Inside it is provided with corresponding zero curve
Connector（1201）With firewire connector（1202）, double switch into line（11）Through line branch terminal（12）The double switch A of connection（10）.
5. intelligent metering case according to claim 1, it is characterised in that：Double switch A（10）Enter line by ammeter
（9）Connect electric energy meter（19）, electric energy meter（19）Load line（23）Pass through ammeter outlet（8）The double switch B of connection（7）, double
Switch B（7）Babinet outlet is stretched out in end（6）.
6. intelligent metering case according to claim 2, it is characterised in that：The left chamber door（4）Lower part has double to open respectively
Close A（10）Door and double switch B（7）Door, double switch A（10）Door lock controlled by power supply department, double switch B（7）
Door by user management.
7. intelligent metering case according to claim 2, it is characterised in that：The bottom case（1）Partition board both sides install respectively
There is corresponding left chamber door（4）Left chamber door electromagnetic lock（1601）, left chamber door position sensor（1701）With the right chamber door of correspondence（3）The right side
Chamber door electromagnetic lock（1602）, right chamber door position sensor（1702）, left chamber door electromagnetic lock（1601）, left chamber door position sensor
（1701）, right chamber door electromagnetic lock（1602）And right chamber door position sensor（1702）Pass through access control system control line（14）Connection
Intelligent phase-change switch（13）.
8. intelligent metering case according to claim 2, it is characterised in that：The bottom case（1）Partition board on be provided with correspondence
Left chamber door（4）With right chamber door（3）Several uniformly distributed energy-stored springs（18）.
9. the application of intelligent metering case according to claim 1, it is characterised in that：In taiwan area several intelligent metering casees and
Server networking operation, intelligent metering case upload access point voltage and current data and intelligent phase-change switch by wireless communication networks
Warning information to server, for judging taiwan area supply line fault type and calculating the geographical location residing for fault point.
10. the application of intelligent metering case according to claim 9, feature exist：Server in real time exports taiwan area distribution transforming
The power information and network voltage current information of voltage and current and the passback of single intelligent metering case carry out big data analysis, judge platform
It whether there is fault condition in area, and if it exists, corresponding alarm prompt is then sent out by the human-computer interaction interface of system, judges mould
Formula is as follows：（1）If separate unit intelligent metering case passback electric leakage or stealing fault message, platform can be combined according to batch meter ID numbers
Area's intelligent metering case location distribution figure, direct failure judgement point position；（2）If concentrator sends electric leakage or stealing alarm letter
Breath, and single intelligent metering case does not send electric leakage or stealing information, then system judges that taiwan area power grid main line has electric leakage or stealing
Failure；（3）If open circuit fault occurs in main line, the voltage data comprehensive descision trip point returned according to intelligent metering case is in
Main line section between certain two intelligent metering case or certain branch line.
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| CN201810225204.3A CN108333400A (en) | 2018-03-19 | 2018-03-19 | A kind of intelligent metering case and its application |
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| CN201810225204.3A CN108333400A (en) | 2018-03-19 | 2018-03-19 | A kind of intelligent metering case and its application |
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| CN109142825A (en) * | 2018-10-15 | 2019-01-04 | 国网山东省电力公司烟台供电公司 | A kind of electric power metering device mounting rack |
| CN109164282A (en) * | 2018-08-08 | 2019-01-08 | 国网山东省电力公司烟台供电公司 | A kind of switch external intelligent electric energy meter stops repeating installation |
| CN110702959A (en) * | 2019-11-18 | 2020-01-17 | 国网四川省电力公司达州供电公司 | Modularized anti-electricity-theft meter box |
| CN111721987A (en) * | 2020-06-01 | 2020-09-29 | 王沛 | Electric power thing networking batch meter equipment based on thing allies oneself with perception technique |
| CN112366535A (en) * | 2020-09-18 | 2021-02-12 | 安徽正日电气有限公司 | Low-voltage electric energy metering device |
| CN117783621A (en) * | 2024-02-27 | 2024-03-29 | 山东金人电气有限公司 | Electric energy metering box with intelligent monitoring system |
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