CN209417174U - Low-voltage platform area family becomes relationship batch identification device - Google Patents
Low-voltage platform area family becomes relationship batch identification device Download PDFInfo
- Publication number
- CN209417174U CN209417174U CN201822097942.2U CN201822097942U CN209417174U CN 209417174 U CN209417174 U CN 209417174U CN 201822097942 U CN201822097942 U CN 201822097942U CN 209417174 U CN209417174 U CN 209417174U
- Authority
- CN
- China
- Prior art keywords
- module
- platform area
- identification device
- area
- controller
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000004458 analytical method Methods 0.000 claims abstract description 31
- 230000005611 electricity Effects 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 3
- 230000008859 change Effects 0.000 description 4
- 238000011161 development Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000002123 temporal effect Effects 0.000 description 3
- 238000013459 approach Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000013095 identification testing Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Arrangements For Transmission Of Measured Signals (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The utility model relates to a kind of low-voltage platform area families to become relationship batch identification device, including shell, shell is equipped with the connector of three-phase and four-line, controller is equipped in shell, electric power routing, the controller and electric power routing connect, electric power is routed through the connector of three-phase and four-line for being connected with connected unit area three-phase and four-line, user's intelligent electric meter data are obtained by carrier wave, controller includes main control chip, data acquisition module, ammeter clock comparison module, platform area discriminance analysis module, data memory module, wireless transport module, data acquisition module, ammeter clock comparison module, platform area discriminance analysis module, data memory module, wireless transport module passes through conducting wire respectively and connect with main control chip, wireless transport module is used for through network connection Cloud Server.The identification device can quick and precisely identify the administrative intelligent electric meter of platform area transformer, facilitate the correct combing that family becomes relationship, be conducive to the management that low-voltage platform area family becomes relationship.
Description
Technical field
The utility model relates to the families Tai Qu to become relation recognition technical field, in particular to a kind of low-voltage platform area family becomes relationship batch
Measure identification device.
Background technique
The family Tai Qu become relationship refer in electric system, user's intelligent electric meter in the power supply area of a transformer and this
The distribution relationship of transformer, wherein user's intelligent electric meter has carrier module.The family Tai Qu of unit-area management account becomes the standard of relationship
True property is the basis of power system management, such as platform area manager's divisions of responsibility, the maintenance management of PMS system account, meter reading management, fortune
Dimension management, line loss statistics etc..It is basis and the platform area line loss statistics that power information acquisition system realizes remote meter reading
The guarantee accurately analyzed, therefore the family on correct confirmation unit-area management account becomes the top priority of the relationship person that is unit-area management.But
Present low-voltage platform area user's intelligent electric meter of electric system and the power supply relationship of distribution transformer, there are actual fields and power train
Not the phenomenon that management account of system is not inconsistent.The user's intelligent electric meter connect between the area Liang Tai transformer is staggered, and even several
User's intelligent electric meter in area interlocks wiring, especially old town or villages within the city area, this disorderly to draw that disorderly to connect phenomenon especially serious.If
Correct family can not be grasped and become relationship, the success rate of power information acquisition system meter reading is not only directly affected, even more affect
The development of platform area line loss analyzing.And at the time of special critical, can also the area Yin Tai family become relationship inaccuracy make power off mistake
Or not in time, lead to the generation of safety accident.Currently, low-voltage platform area family becomes relationship improvement management means, usually there are two types of sides
Formula: one is the mode of artificial line walking, which is successively to find branch along electric wire from transformer output end by staff
Route family table；Second is that the family Tai Qu becomes identification test mode, this mode is that a detector in host and one are taken by staff
Detector in host is hung over wiring at the concentrator of transformer and is powered, staff is then with extension set by a extension set detector to scene
Detector checks the energization of family table with firewire, the zero curve of extension set detector connection family table to user one by one.Both sides
The working efficiency of formula is all relatively low, needs to expend long time to complete, the heavy workload of staff.Moreover, the first
Mode also suffers from the influence of the complicated route such as underground cable, and the difficulty of staff's work is big, the second way also vulnerable to
, it is inaccurate to there is detection in distance between detector in host and extension set detector, or the influence of zero curve, total ground wire, harmonic wave interference etc. altogether
The phenomenon that.
Summary of the invention
The purpose of this utility model is in view of the deficiencies of the prior art, to provide a kind of low-voltage platform area family change relationship batch identification
Device can quick and precisely identify the administrative intelligent electric meter of platform area transformer, facilitate the correct combing that family becomes relationship, be conducive to
The management of low-voltage platform area family change relationship.
The technical solution of the utility model is: a kind of low-voltage platform area family change relationship batch identification device, it is characterised in that: packet
Shell is included, the shell is equipped with the connector of three-phase and four-line, controller is equipped in shell, electric power routes, the controller and electricity
Power routing connection, the electric power are routed through the connector of three-phase and four-line for being connected with connected unit area three-phase and four-line, pass through carrier wave
User's intelligent electric meter data are obtained, the controller includes main control chip, data acquisition module, ammeter clock comparison module, platform
Area's discriminance analysis module, data memory module, wireless transport module, the data acquisition module, ammeter clock comparison module, platform
Area's discriminance analysis module, data memory module, wireless transport module pass through conducting wire respectively and connect with main control chip, and the data are adopted
Collection module is used to acquire the data information stored on each intelligent electric meter that electric power routing is read, and the ammeter clock comparison module is used
In comparing acquisition time and corresponding ammeter clock time, described area's discriminance analysis module is for data acquisition module of analysing and comparing
The power-off time started of acquisition, conduction time, power-off duration, the wireless transport module are used for through network connection cloud service
Device.
The controller is routed through serial ports with electric power and connect.
The controller is equipped with the interface for connecting computer terminal.
The wireless transport module connects the antenna being arranged on the identification device shell.
By adopting the above technical scheme: the batch identification device that low-voltage platform area family becomes relationship includes shell, is set on the shell
There is the connector of three-phase and four-line, controller, electric power routing are equipped in shell, the controller and electric power routing connect, the electric power
The connector of three-phase and four-line is routed through for being connected with connected unit area three-phase and four-line, user's intelligent electric meter number is obtained by carrier wave
According to the controller includes main control chip, data acquisition module, ammeter clock comparison module, platform area discriminance analysis module, data
Memory module, wireless transport module, the data acquisition module, ammeter clock comparison module, platform area discriminance analysis module, data
Memory module, wireless transport module pass through conducting wire respectively and connect with main control chip, and the data acquisition module is for acquiring electric power
The data information stored on each intelligent electric meter read is routed, the ammeter clock comparison module is for comparing acquisition time and phase
Ammeter clock time is answered, when power-off of the described area's discriminance analysis module for data collecting module collected of analysing and comparing starts
Between, conduction time, power-off duration, the wireless transport module be used for by network connection Cloud Server.The identification device structure
Simply, using simplicity, when use, will realize the user administrative to corresponding platform area transformer on the three-phase and four-line in its area Jie Tai
Intelligent electric meter carries out rapidly and accurately analysis identification, and not only recognition time is short, work efficiency is high, and the workload of Field Force can also
Greatly reduce, the work difficulty of field personnel can also substantially reduce, while also avoid when being detected with host and extension set by
The case where distance or other reasons influence.Result after identification device batch identification is sent to cloud service by wireless transport module
In device, unit-area management person terminal can obtain the result of discriminance analysis from Cloud Server.Pass through electric power Routing identification device
The data information of intelligent electric meter storage is read out, the reading of information is also simple and effective.The administrative water level of each area's transformer is used
It can quickly confirm whether each ammeter is supplied by corresponding platform area transformer after the discriminance analysis that family intelligent electric meter passes through this identification device
Electricity greatly facilitates the correct combing that the area unit-area management Zhe Duitai family becomes relationship, can eliminate user's intelligence electricity between each area
Table is staggered, disorderly draws the phenomenon that disorderly connecing, and ensure that the success rate of power information acquisition system meter reading and having for platform area line loss analyzing
Effect is carried out, and the management of electric system is conducive to.
The controller is routed through serial ports with electric power and connect, and serial ports connection is simple, and plug also facilitates.
The controller is equipped with the interface for connecting computer terminal.It computer terminal can be with controller by data line
Interface is connected, and computer terminal can also obtain the data information and discriminance analysis knot of the storage of controller memory module by the interface
Fruit increases the approach of identification device information output, so that the use of identification device is more convenient.
The wireless transport module connects the antenna being arranged on the identification device shell, and antenna can enhance identification device
Information transmitting and receive capabilities, improve the stability that identification device uses.
This low-voltage platform area family, which becomes relationship batch identification device, can quick and precisely identify the administrative user's intelligence of each area's transformer
Energy ammeter facilitates the correct combing that family becomes relationship, ensure that the success rate and platform area line loss of power information acquisition system meter reading
Effective development of analysis, is conducive to the management of electric system.And analysis identification is that batch carries out, and substantially increases family and becomes relationship
The working efficiency of improvement reduces the workload of Field Force.
The utility model is described in further detail with specific embodiment with reference to the accompanying drawings of the specification.
Detailed description of the invention
Fig. 1 is the structural schematic diagram that the utility model low-voltage platform area family becomes relation recognition device；
Fig. 2 is the functional block diagram of identification device；
Fig. 3 is to connect the functional block diagram of identification device in low-voltage platform area.
In attached drawing, 1 is interface, and 2 be serial ports, and 3 route for electric power, and 4 be main control chip, and 5 be wireless transport module, and 6 be day
Line, 7 be Cloud Server, and 8 be management terminal, and 9 be controller, and 10 be data acquisition module, and 11 be ammeter clock comparison module, 12
It is data memory module for platform area discriminance analysis module, 13,14 be identification device, and 15 be connector.
Specific embodiment
Referring to Fig. 1 to Fig. 3, a kind of low-voltage platform area family change relationship batch identification device, including shell 14, shell 14 are mainly risen
The effect of protection, the shell 14 are equipped with the connector 15 of three-phase and four-line, controller 9 are equipped in the shell 14, electric power routes
3.The controller 9 is connect with electric power routing 3 by serial ports 2, and serial ports 2 connects simply, and plug also facilitates, and can facilitate identification device
1 maintenance.The electric power routing 3, for being connected with connected unit area three-phase and four-line, passes through electric power by the connector 15 of three-phase and four-line
The carrier wave transmitted between the carrier module of routing 3 and the carrier module of user's intelligent electric meter obtains user's intelligent electric meter data, institute
State controller 9 include main control chip 4, data acquisition module 10, ammeter clock comparison module 11, platform area discriminance analysis module 12,
Data memory module 13, wireless transport module 5, the data acquisition module 10, ammeter clock comparison module 11, the identification point of platform area
Analysis module 12, data memory module 13, wireless transport module 5 are connect by conducting wire with main control chip 4 respectively, and each module is by master
Chip 4 is controlled to control.The data acquisition module 10 is used to acquire the data letter stored on each intelligent electric meter that electric power routing 3 is read
Breath, the ammeter clock comparison module 11 is for comparing acquisition time and corresponding ammeter clock time, described area's discriminance analysis
Module 12 is for the power-off time started for data collecting module collected of analysing and comparing, conduction time, power-off duration.The wireless biography
Defeated module 5 connects the antenna 6 being arranged on the identification device shell.Antenna 6 can enhance the information transmitting of identification device 1 and receive
Function improves the stability that identification device 1 uses.The wireless transport module 5 is used for through network connection Cloud Server 7,
Computer terminal 8 connect the data for obtaining Cloud Server 7 and storing by network with Cloud Server 7.The controller 9 is equipped with for connecting
The interface 1 of computer terminal 8 is connect, computer terminal 8 can be connected by data line with the interface 1 of controller 9, and computer terminal 8 can also
The data information and discriminance analysis for obtaining the storage of 9 data memory module 13 of controller by the interface 1 are as a result, increase identification dress
The approach of 1 information output is set, so that the use of identification device 1 is more convenient.
It is as follows that the step of relationship carries out batch identification is become to low-voltage platform area family using this identification device:
1) firstly, successively a point interval period is powered off, is powered to each area's transformer that need to be identified, each area's transformer
Administrative user's intelligent electric meter storage power-off time started, conduction time and power-off duration, each of 7 record storage of Cloud Server
The temporal information of the power-off of area's transformer interval period, energization.Wherein, each area's transformer power-off, the power-off duration being powered are
1min~3min.Power-off duration within the scope of this can distinguish open time of the effectively area Jiang Getai user's intelligent electric meter storage,
Each user will not be influenced by having a power failure.The area Qie Getai transformer successively divides interval period power-off, each interval period being powered
Between interval duration be at least 1 hour.Power-off could be passed through in this way, the area energization Jiang Getai transformer more effectively distinguishes
Come, the difference of the interval duration more information of the area Chang Zegetai transformer storage is just bigger, is more advantageous to the identification of identification device 1
Analysis.Such as: having tri- area Ge Tai A, B, C, to the power-off of 7 points of transformer of A platform area, when power-off is 60 seconds a length of, and conduction time is 7 points 01
Point；The power-off of 8 points of B platform area, when power-off, are 90 seconds a length of, conduction time be 8 points 30 seconds 01 minutes；The power-off of 9 points of C platform area, when power-off, are a length of
120 seconds, conduction time be 9 points 02 minutes.After power-off, the data of each user's intelligent electric meter storage have the phenomenon that delay, when the delay
In the range of growing the permission in discriminance analysis.
2) then, then Field Force is sent to use the connector 15 of above-mentioned identification device 1 by the identification device 1 and a platform
The three-phase and four-line in area is connected, and identification device 1 obtains the ammeter information of this area account from Cloud Server 7 after connection.Identification device 1
On four connectors 15 be correspondingly connected with respectively with platform area three-phase and four-line after, identification device 1 can this of automatic identification area be which
Then platform area obtains the ammeter information of this area account from Cloud Server 7.Platform area account can be the electric power road of identification device 1
The address information of each intelligent electric meter is provided by 3, and identification device 1 can the area Jie Tai concentrator, table of merit rating, disconnecting link or feeder pillar
Three-phase and four-line at, the installation site of identification device 1 is very flexible and convenient, avoids some drawbacks that can only mount concentrator.
3) the electric power routing 3 of identification device 1 reads the administrative each user of the account by carrier wave according to the account information of acquisition
The data information of ammeter time when powering off time started, conduction time, power-off duration and acquiring of intelligent electric meter storage.It obtains
When, electric power routing 3 obtains the data information of intelligent electric meter storage by carrier module, and the carrier module of electric power routing 3 has letter
Number coding FM transmission and solution frequency receive capabilities, after the carrier module of intelligent electric meter receives the signal of 3 transmitting of electric power routing, just to
Electric power routes 3 transfer data informations and is received by the carrier module of electric power routing 3, and power-off, the energization stored on each intelligent electric meter is believed
The acquisition of breath is simple and efficient.User's intelligent electric meter that electric power routing 3 obtains is acquired by the data acquisition module 10 of controller 9 simultaneously
Data information finally stores the data information of acquisition by data memory module 13 and records acquisition time.
4) the identification device user intelligent electric meter administrative to this area account analyzes identification:
The ammeter clock comparison module of controller is compared acquisition time to ammeter clock time corresponding when acquiring, if
Acquisition time and ammeter clock time coincide, then determine that the intelligent electric meter clock is normal, and the data of acquisition are effective, on the contrary then determine
Intelligent electric meter clock is abnormal, the data invalid of acquisition, and wherein acquisition time is to store on 3 acquisition intelligent electric meter of electric power routing
Time when data information, ammeter clock time corresponding intelligence when being the data information stored on 3 acquisition intelligent electric meter of electric power routing
The time of energy ammeter clock display.The comparison of ammeter clock comparison module can guarantee the accuracy of platform area discriminance analysis result, because
To ammeter clock, normally whether analysis is necessary for this；
The platform area discriminance analysis module of controller is to power-off time started, the conduction time recorded on each user's intelligent electric meter
And power-off duration carry out discriminance analysis, if user's intelligent electric meter storage the power-off time started, conduction time, power-off duration with should
Platform area transformer power-off, be powered temporal information match, then determine user's intelligent electric meter by this area transformer-supplied, if with
Power-off time started, conduction time, power-off duration and the power-off of this area transformer of the storage of family intelligent electric meter, the time being powered believe
Breath is misfitted, then determines that user's intelligent electric meter is not belonging to platform area transformer-supplied.Such as: what identification filled 1 identification is A platform area, A platform area
The administrative user's intelligent electric meter of transformer has 100, wherein when having the power-off time started stored on two intelligent electric meters, being powered
Between, power-off duration in allowed limits in step 1) Cloud Server 7 store this area power-off, be powered temporal information
It misfits, then determines that this two user's intelligent electric meters are not belonging to this area transformer-supplied.
5) identification device 1 is by the storage analysis recognition result of data memory module 13, and passes through the wireless transmission of controller 9
Module 5 is sent to Cloud Server 7 for recognition result is analyzed, and completes the area a Ge Tai family and becomes relationship batch identification.
6) Field Force successively carries out family to each area's transformer that need to be identified and becomes relationship according to step 2 to method 5)
Batch identification.
7) information is extracted from Cloud Server 7 in management computer terminal 8, cleans out misconnection by account according to analysis recognition result
User's intelligent electric meter, and send staff that user's intelligent electric meter of misconnection is taken back to affiliated platform area transformation again by account
Device.
It manages in the analysis recognition result that computer terminal 8 obtains, if there is user's intelligent electric meter of clock exception, needs existing
Field staff places under repair or replaces to it in time, it is ensured that re-recognizes platform belonging to ammeter again after the ammeter clock is normal
Area.And management terminal can analyze recognition result to each area of acquirement and analyze, such as: above-mentioned A, B, C platform area, if comparing
It was found that the power cut-off information of user's intelligent electric meter storage and user's intelligent electric meter of B platform area correct wiring of misconnection store in A platform area
Power-off, conduction time information coincide, then can determine that the intelligent electric meter of A platform area's misconnection is connected to B platform area transformer, at this moment just need
Notify field personnel that misconnection is taken back A platform area to the intelligent electric meter of B platform area transformer.By field personnel to misconnection
User's intelligent electric meter rewiring combing after, can eliminate that electric supply meter between each area is staggered, disorderly draws and disorderly connects
Phenomenon.Therefore the identification device facilitates the correct combing that family becomes relationship, not only ensure that unit-area management account is appeared on the stage Qu Hubian
The accuracy of relationship, it is ensured that the success rate of power information acquisition system meter reading and effective development of platform area line loss analyzing have
Conducive to the management of electric system.Moreover, this identification device but also user's intelligent electric meter in the area unit-area management Zhe Duitai pipe
Reason is more convenient effectively, eliminates security risk, and the installation site of identification device 1 is also very flexible and convenient.The identification device 1 is not only
Using simplicity, structure is also simple, and not only recognition time is short, high-efficient, can also greatly reduce the workload of field personnel, existing
The work of field staff not will receive the influence of the complicated route such as underground cable, and work difficulty can also substantially reduce, simultaneously also
Avoid the case where being influenced when being detected with host and extension set by distance or total zero curve, total ground wire, harmonic wave interference.It is routed by electric power
The data information that 3 identification devices 1 can store intelligent electric meter is read out, and the reading of information is also simple and effective.
Claims (4)
1. a kind of low-voltage platform area family becomes relationship batch identification device, it is characterised in that: including shell (14), on the shell (14)
Connector (15) equipped with three-phase and four-line, shell (14) is interior to be equipped with controller (9), electric power routing (3), the controller (9) and electricity
Power routes (3) connection, and the electric power routing (3) is used for and connected unit area three-phase and four-line phase by the connector (15) of three-phase and four-line
Even, user's intelligent electric meter data are obtained by carrier wave, the controller (9) includes main control chip (4), data acquisition module
(10), ammeter clock comparison module (11), platform area discriminance analysis module (12), data memory module (13), wireless transport module
(5), the data acquisition module (10), ammeter clock comparison module (11), platform area discriminance analysis module (12), data store mould
Block (13), wireless transport module (5) are connect by conducting wire with main control chip (4) respectively, and the data acquisition module (10) is used for
The data information stored on each intelligent electric meter that acquisition electric power routing (3) is read, the ammeter clock comparison module (11) are used for
Compare acquisition time and corresponding ammeter clock time, described area's discriminance analysis module (12) is for data acquisition module of analysing and comparing
The power-off time started of block acquisition, conduction time, power-off duration, the wireless transport module (5) are used for through network connection cloud
Server (7).
2. low-voltage platform area family according to claim 1 becomes relationship batch identification device, it is characterised in that: the controller
(9) it is connect with electric power routing (3) by serial ports (2).
3. low-voltage platform area family according to claim 1 becomes relationship batch identification device, it is characterised in that: the controller
(9) it is equipped with the interface (1) for connecting computer terminal (8).
4. low-voltage platform area family according to claim 1 becomes relationship batch identification device, it is characterised in that: the wireless transmission
Module (5) connects the antenna (6) being arranged on the identification device shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822097942.2U CN209417174U (en) | 2018-12-14 | 2018-12-14 | Low-voltage platform area family becomes relationship batch identification device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822097942.2U CN209417174U (en) | 2018-12-14 | 2018-12-14 | Low-voltage platform area family becomes relationship batch identification device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209417174U true CN209417174U (en) | 2019-09-20 |
Family
ID=67938267
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822097942.2U Active CN209417174U (en) | 2018-12-14 | 2018-12-14 | Low-voltage platform area family becomes relationship batch identification device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209417174U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109406915A (en) * | 2018-12-14 | 2019-03-01 | 国家电网有限公司 | Low-voltage platform area family becomes relationship batch identification device and recognition methods |
-
2018
- 2018-12-14 CN CN201822097942.2U patent/CN209417174U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109406915A (en) * | 2018-12-14 | 2019-03-01 | 国家电网有限公司 | Low-voltage platform area family becomes relationship batch identification device and recognition methods |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109406915A (en) | Low-voltage platform area family becomes relationship batch identification device and recognition methods | |
| CN106253486B (en) | A kind of power supply system intelligent fault Computer Aided Analysis System | |
| CN108051708A (en) | A kind of transient state recording type fault detector | |
| CN109507536A (en) | A kind of low-voltage platform area line loss electricity intelligent measure analytical equipment | |
| CN104992548A (en) | Remote meter reading system | |
| CN105446197B (en) | A kind of column control ground critical data detection device | |
| CN105790794B (en) | A kind of area's route online recognition system | |
| CN108761277A (en) | A kind of cable and junction malfunction indicator and on-line monitoring system | |
| CN108802488A (en) | Line loss fine-grained management device and method | |
| CN102043115A (en) | Network on-line live line measurement method for line parameter of power system | |
| CN102142704A (en) | Charger monitor and online charger monitoring device | |
| CN101685121B (en) | Dynamic process online monitoring device for electric power system and method thereof | |
| CN207882374U (en) | A kind of transient state recording type fault detector | |
| CN103260263A (en) | Metro stray current wireless monitoring system and method | |
| CN209417174U (en) | Low-voltage platform area family becomes relationship batch identification device | |
| CN201956754U (en) | Charger monitor and on-line charger monitoring device | |
| CN203435002U (en) | Novel practical low-voltage transformer area switch instrument | |
| CN203773266U (en) | Digital measurement and control device | |
| CN209387791U (en) | Ring network cabinet line fault Position monitoring devices | |
| CN206832226U (en) | Intelligent deformation monitoring terminal and system | |
| CN105242168A (en) | Split type leakage current acquisition system | |
| CN206147933U (en) | Platform district power consumption information of checking meter is synthesized and is generally investigated appearance | |
| CN104360225A (en) | Line loss positioning device and line loss positioning method for low-voltage overhead line | |
| CN204188714U (en) | Distant place handheld terminal | |
| CN207909325U (en) | A kind of power grid taiwan area identifying system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |