CN111245094A - Load real-time monitoring visualization device with positioning function - Google Patents

Load real-time monitoring visualization device with positioning function Download PDF

Info

Publication number
CN111245094A
CN111245094A CN202010037751.6A CN202010037751A CN111245094A CN 111245094 A CN111245094 A CN 111245094A CN 202010037751 A CN202010037751 A CN 202010037751A CN 111245094 A CN111245094 A CN 111245094A
Authority
CN
China
Prior art keywords
module
base
screw rod
real
visualization device
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.)
Pending
Application number
CN202010037751.6A
Other languages
Chinese (zh)
Inventor
曾家贞
李伟峰
詹文仲
林建华
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangdong Power Grid Co Ltd
Dongguan Power Supply Bureau of Guangdong Power Grid Co Ltd
Original Assignee
Guangdong Power Grid Co Ltd
Dongguan Power Supply Bureau of Guangdong Power Grid Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Guangdong Power Grid Co Ltd, Dongguan Power Supply Bureau of Guangdong Power Grid Co Ltd filed Critical Guangdong Power Grid Co Ltd
Priority to CN202010037751.6A priority Critical patent/CN111245094A/en
Publication of CN111245094A publication Critical patent/CN111245094A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J13/00Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16MFRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/02Heads
    • F16M11/04Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
    • F16M11/043Allowing translations
    • F16M11/046Allowing translations adapted to upward-downward translation movement
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16MFRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/02Heads
    • F16M11/18Heads with mechanism for moving the apparatus relatively to the stand
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16MFRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/20Undercarriages with or without wheels
    • F16M11/24Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other
    • F16M11/26Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other by telescoping, with or without folding
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16MFRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/42Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters with arrangement for propelling the support stands on wheels

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Power Engineering (AREA)
  • Remote Monitoring And Control Of Power-Distribution Networks (AREA)

Abstract

The invention discloses a load real-time monitoring visualization device with a positioning function, which comprises a base, wherein four corners of the bottom end of the base are welded with mounting frames, pulleys are mounted on the mounting frames, four supporting mechanisms are symmetrically arranged on two sides of the base, and an adjusting mechanism is mounted in the middle of the top end of the base; the device can monitor the three-phase operation of the line in real time, and can feed back the phase-lack information when the line runs in phase-lack mode, so that the device can prevent malignant misoperation, avoid personnel and power grid damage, greatly reduce the line fault frequency, accelerate the fault emergency repair speed and improve the working efficiency.

Description

Load real-time monitoring visualization device with positioning function
Technical Field
The invention relates to a visualization device, in particular to a load real-time monitoring visualization device with a positioning function.
Background
At present, a lot of open-phase faults in a power grid are repaired and open-phase operation causes shutdown of a large number of factories, fault report lists are increased, meanwhile, equipment is connected to a distribution network, a load switch cabinet is provided with a disconnecting link, the problems of inconsistent reality of a plurality of diagrams exist, field work is to stop the equipment of a user firstly, and the operations are operated according to the drawings on a single line diagram on a pull line disconnecting link.
At present when carrying out open-phase fault rush-repair, if meet the inconsistent problem of picture reality, will think that the load has been stopped, actually not stop the load, will have the condition of taking load broach floodgate, if the circuit has open-phase moreover, the pincerlike ampere meter can't detect which looks of where has open-phase, only detects a three-phase bulk current, causes malignant maloperation incident, probably serious incident causes the tripping operation of transformer substation simultaneously, and the circuit has a power failure by a large scale.
Disclosure of Invention
Aiming at the situation and overcoming the defects of the prior art, the invention provides the load real-time monitoring visualization device with the positioning function, which effectively solves the problems that when the phase-lacking fault emergency repair is carried out, if the situation is inconsistent, the load is considered to be stopped, the load is not actually stopped, the condition of disconnecting a knife switch with the load exists, and if the phase-lacking exists in the line, the clamp-on ammeter cannot detect which phase-lacking exists in the line, only detects a three-phase overall current, so that a malignant misoperation event is caused, a serious safety accident is caused, a transformer substation is possibly tripped, and the line has large-area power failure.
In order to achieve the purpose, the invention provides the following technical scheme: the intelligent remote control device comprises a base, a mounting frame, pulleys, supporting mechanisms, adjusting mechanisms, a display panel, an alarm, a display screen, a wire, a current collecting module, a transverse plate, an auxiliary supporting rod, a fixing block, a remote data receiving module, a data storage module, a data transmission module, a display module and a GIS positioning module, wherein the mounting frame is welded at four corners of the bottom end of the base;
the adjusting mechanism comprises a shell, a groove, an inner cavity, a screw rod, a bearing, a second rotating handle, a lifting block, a screw hole, a connecting rod, a mounting disc and a bolt hole, the shell is fixed at the middle part of the top end of the base, the middle part of one side of the shell is provided with the groove, the inner cavity is arranged inside the shell, the screw rod is inserted in the middle part of the inner cavity, the second rotating handle is arranged at the top end of the screw rod, the lifting block is sleeved on the screw rod, the connecting rod is arranged at the middle part of one side of the lifting block, the mounting disc is arranged at one end of the connecting rod, the bolt hole is uniformly arranged on the mounting disc, a display panel is arranged on the mounting disc through a bolt, an alarm is arranged at one side of the top of the display panel, a display screen, the one end of auxiliary stay pole is provided with the fixed block, and the internally mounted of display panel has remote data receiving module, and data storage module is installed to one side of remote data receiving module, and data transmission module is installed to one side of data storage module, and display module is installed to one side of data transmission module, and GIS orientation module is installed to one side of display module.
Preferably, the supporting mechanism comprises a connecting block, a threaded hole, a screw rod, a supporting plate and a first rotating handle, the connecting block is welded on two sides of the base, the threaded hole is formed in the middle of the connecting block, the screw rod is inserted into the middle of the threaded hole, the supporting plate is arranged at the bottom end of the screw rod, and the first rotating handle is installed at the top end of the screw rod.
Preferably, the surface of the first rotating handle is provided with anti-slip lines.
Preferably, the screw rod is connected with the housing through a bearing.
Preferably, the middle part of the lifting block is provided with a screw hole corresponding to the screw rod.
Preferably, the current collection module is installed at a three-phase cable terminal on a tower, and the current collection module is used for collecting three-phase overall current.
Preferably, the remote data receiving module is used for receiving remote data signals, and the data storage module is used for storing data.
Preferably, the data transmission module is used for transmitting data, the display module is used for displaying the processing signal, and the GIS positioning module is a computer system with functions of centralizing, storing, operating and displaying geographic reference information.
Has the advantages that: when the invention needs to move, the base can be moved to a position needing to be moved through the installed pulley, then the first rotating handle is rotated to drive the screw rod to rotate, the screw rod is rotated to be matched with the threaded hole formed in the connecting block, so that the screw rod moves downwards, the screw rod moves downwards to push the supporting plate to be contacted with the ground, the pulley is continuously rotated to ensure that the pulley is not contacted with the ground, the stability of the base when in use is improved, meanwhile, when the display panel needs to be adjusted in height, the second rotating handle is rotated to drive the screw rod to rotate, the screw rod is rotated to be matched with the threaded hole formed in the lifting block, so that the lifting block moves up and down on the screw rod, the lifting block moves up and down to drive the display panel to move up and down, thereby the purpose of adjusting the height of the display panel is achieved, the horizontal plate is arranged to place the operation keyboard, and the current collection module of the three-, the device can monitor the three-phase operation of the line in real time, and can feed back the phase-failure information through the device when the line runs in phase failure, so that the device can prevent malignant misoperation, avoid the damage to personnel and a power grid, greatly reduce the line fault frequency, accelerate the fault rush-repair speed and improve the working efficiency.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the adjustment mechanism of the present invention;
FIG. 3 is a schematic diagram of the three-dimensional structure of the elevator block of the present invention;
FIG. 4 is a schematic view of an auxiliary support rod according to the present invention;
FIG. 5 is a schematic diagram of the internal structure of the display panel according to the present invention;
FIG. 6 is a block diagram of the apparatus of the present invention;
reference numbers in the figures: 1. a base; 2. a mounting frame; 3. a pulley; 4. a support mechanism; 5. connecting blocks; 6. a threaded hole; 7. a screw; 8. a support disc; 9. a first rotating handle; 10. an adjustment mechanism; 11. a housing; 12. a groove; 13. an inner cavity; 14. a screw rod; 15. a bearing; 16. a second rotating handle; 17. a lifting block; 18. a silk hole; 19. a connecting rod; 20. mounting a disc; 21. bolt holes; 22. a display panel; 23. an alarm; 24. a display screen; 25. a wire; 26. a current collection module; 27. a transverse plate; 28. an auxiliary support bar; 29. a fixed block; 30. a remote data receiving module; 31. a data storage module; 32. a data transmission module; 33. a display module; 34. and a GIS positioning module.
Detailed Description
The following description of the embodiments of the present invention will be made in detail with reference to the accompanying drawings 1 to 6.
In the first embodiment, as shown in fig. 1 to 6, the invention provides a load real-time monitoring visualization device with a positioning function, which comprises a base 1, an installation frame 2, pulleys 3, support mechanisms 4, an adjusting mechanism 10, a display panel 22, an alarm 23, a display screen 24, a wire 25, a current acquisition module 26, a transverse plate 27, an auxiliary support rod 28, a fixed block 29, a remote data receiving module 30, a data storage module 31, a data transmission module 32, a display module 33 and a GIS positioning module 34, wherein the installation frame 2 is welded at four corners of the bottom end of the base 1, the pulleys 3 are installed on the installation frame 2, four support mechanisms 4 are symmetrically arranged at two sides of the base 1, and the adjusting mechanism 10 is installed in the middle of the top end of the;
the adjusting mechanism 10 comprises a shell 11, a groove 12, an inner cavity 13, a screw rod 14, a bearing 15, a second rotating handle 16, a lifting block 17, a screw hole 18, a connecting rod 19, a mounting disc 20 and a bolt hole 21, wherein the shell 11 is fixed at the middle part of the top end of the base 1, the groove 12 is formed in the middle part of one side of the shell 11, the inner cavity 13 is formed in the shell 11, the screw rod 14 is inserted in the middle part of the inner cavity 13, the second rotating handle 16 is arranged at the top end of the screw rod 14, the lifting block 17 is sleeved on the screw rod 14, the connecting rod 19 is arranged in the middle part of one side of the lifting block 17, the mounting disc 20 is arranged at one end of the connecting rod 19, the bolt holes 21 are uniformly formed in the mounting disc 20, a display panel 22 is installed on the mounting disc 20 through bolts, an alarm 23 is installed on one side, install diaphragm 27 on the display panel 22 of display screen 24 below, the bottom symmetry of diaphragm 27 is provided with auxiliary stay 28, the one end of auxiliary stay 28 is provided with fixed block 29, the internally mounted of display panel 22 has remote data receiving module 30, data storage module 31 is installed to one side of remote data receiving module 30, data transmission module 32 is installed to one side of data storage module 31, display module 33 is installed to one side of data transmission module 32, GIS orientation module 34 is installed to one side of display module 33.
Supporting mechanism 4 includes connecting block 5, screw hole 6, screw rod 7, supporting disk 8 and first rotation handle 9, connecting block 5 welds in base 1's both sides, screw hole 6 is seted up at the middle part of connecting block 5, it has screw rod 7 to peg graft at the middle part of screw hole 6, the bottom of screw rod 7 is provided with supporting disk 8, first rotation handle 9 is installed on the top of screw rod 7, during the use, rotate first rotation handle 9, first rotation handle 9 rotates and drives screw rod 7 and rotate, screw rod 7 rotates and under the cooperation of the screw hole 6 of seting up on connecting block 5, make screw rod 7 remove downwards, screw rod 7 removes promotion supporting disk 8 and ground contact downwards, continue the rotation to make pulley 3 not contact with ground.
The surface of the first rotating handle 9 is provided with anti-slip threads, so that the first rotating handle 9 has better anti-slip performance.
The screw rod 14 is connected with the shell 11 through a bearing 15, so that the screw rod 14 is convenient to mount and use.
The middle part of the lifting block 17 is provided with a screw hole 18 corresponding to the position of the screw rod 14, which is convenient for matching installation and use.
The current collection module 26 is installed at the three-phase cable terminal on the tower, and the current collection module 26 is used for collecting the three-phase overall current.
The remote data receiving module 30 is used for receiving remote data signals, and the data storage module 31 is used for storing data.
The data transmission module 32 is used for transmitting data, the display module 33 is used for displaying the processing signal, and the GIS positioning module 34 is a computer system with functions of centralizing, storing, operating and displaying geographical reference information.
The working principle is as follows: when the invention needs to move, the base 1 can be moved to the position needing to be moved through the installed pulley 3, then the first rotating handle 9 is rotated, the first rotating handle 9 is rotated to drive the screw 7 to rotate, the screw 7 is rotated to be matched with the threaded hole 6 formed on the connecting block 5, so that the screw 7 moves downwards, the screw 7 moves downwards to push the supporting plate 8 to be contacted with the ground, the pulley 3 is continuously rotated to prevent the pulley 3 from being contacted with the ground, the stability of the base 1 in use is improved, meanwhile, when the height of the display panel 22 needs to be adjusted, the second rotating handle 16 is rotated, the second rotating handle 16 drives the screw 14 to rotate, the screw 14 rotates to be matched with the screw hole 18 on the lifting block 17, so that the lifting block 17 moves up and down on the screw 14, the movement of the lifting block 17 drives the display panel 22 to move up and down, thereby achieving the purpose of adjusting the height of, the horizontal plate 27 is arranged for placing an operation keyboard, the current acquisition module 26 arranged at the three-phase cable terminal on the tower is used for acquiring the three-phase overall current and transmitting the acquired signal to the remote data receiving module 30, the remote data receiving module 30 transmits the data to the data storage module 31 for storing the data, meanwhile, the data can be transmitted to the display module 33 and the GIS positioning module 34 through the data transmission module 32, the display module 33 transmits the signal to the display screen 24 and displays the signal through the display screen 24, and the GIS positioning module 34 is used for positioning the position. The working efficiency is improved.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (8)

1. The utility model provides a load real-time supervision visualization device with locate function, includes base (1), mounting bracket (2), pulley (3), supporting mechanism (4), adjustment mechanism (10), display panel (22), alarm (23), display screen (24), wire (25), current acquisition module (26), diaphragm (27), auxiliary stay pole (28), fixed block (29), remote data receiving module (30), data storage module (31), data transmission module (32), display module (33) and GIS orientation module (34), its characterized in that: four corners of the bottom end of the base (1) are welded with mounting frames (2), pulleys (3) are mounted on the mounting frames (2), four supporting mechanisms (4) are symmetrically arranged on two sides of the base (1), and an adjusting mechanism (10) is mounted in the middle of the top end of the base (1);
the adjusting mechanism (10) comprises a shell (11), a groove (12), an inner cavity (13), a screw rod (14), a bearing (15), a second rotating handle (16), a lifting block (17), a screw hole (18), a connecting rod (19), a mounting disc (20) and a bolt hole (21), wherein the shell (11) is fixed in the middle of the top end of the base (1), the groove (12) is formed in the middle of one side of the shell (11), the inner cavity (13) is formed in the shell (11), the screw rod (14) is inserted in the middle of the inner cavity (13), the second rotating handle (16) is arranged at the top end of the screw rod (14), the lifting block (17) is sleeved on the screw rod (14), the connecting rod (19) is arranged in the middle of one side of the lifting block (17), the mounting disc (20) is arranged at one end of the connecting rod (19), the mounting disc (20) is provided with uniform bolt holes (21), alarm (23) are installed to one side at display panel (22) top, display screen (24) are installed at the top of display panel (22) one side, display screen (24) are connected with current acquisition module (26) through wire (25), install diaphragm (27) on display panel (22) of display screen (24) below, the bottom symmetry of diaphragm (27) is provided with auxiliary stay pole (28), the one end of auxiliary stay pole (28) is provided with fixed block (29), the internally mounted of display panel (22) has remote data receiving module (30), data storage module (31) are installed to one side of remote data receiving module (30), data transmission module (32) are installed to one side of data storage module (31), display module (33) are installed to one side of data transmission module (32), GIS orientation module (34) are installed to one side of display module (33).
2. The load real-time monitoring visualization device with the positioning function according to claim 1, wherein the supporting mechanism (4) comprises a connecting block (5), a threaded hole (6), a screw (7), a supporting disk (8) and a first rotating handle (9), the connecting block (5) is welded on two sides of the base (1), the threaded hole (6) is formed in the middle of the connecting block (5), the screw (7) is inserted into the middle of the threaded hole (6), the supporting disk (8) is arranged at the bottom end of the screw (7), and the first rotating handle (9) is installed at the top end of the screw (7).
3. The load real-time monitoring and visualization device with positioning function as claimed in claim 2, wherein the surface of the first rotating handle (9) is provided with anti-skid lines.
4. The load real-time monitoring and visualization device with positioning function according to claim 1, characterized in that the screw rod (14) is connected with the housing (11) through a bearing (15).
5. The real-time load monitoring and visualization device with the positioning function according to claim 1, wherein a threaded hole (18) is formed in the middle of the lifting block (17) at a position corresponding to the screw rod (14).
6. The real-time load monitoring and visualization device with the positioning function as claimed in claim 1, wherein the current collection module (26) is installed at a three-phase cable terminal on a tower, and the current collection module (26) is used for collecting three-phase overall current.
7. The real-time load monitoring and visualization device with the positioning function as claimed in claim 1, wherein the remote data receiving module (30) is used for receiving remote data signals, and the data storage module (31) is used for storing data.
8. The device for real-time monitoring and visualization of load with location function as claimed in claim 1, wherein the data transmission module (32) is used to transmit data, the display module (33) is used to display the processed signal, and the GIS location module (34) is a computer system with functions of collecting, storing, operating and displaying geo-referenced information.
CN202010037751.6A 2020-01-14 2020-01-14 Load real-time monitoring visualization device with positioning function Pending CN111245094A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010037751.6A CN111245094A (en) 2020-01-14 2020-01-14 Load real-time monitoring visualization device with positioning function

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010037751.6A CN111245094A (en) 2020-01-14 2020-01-14 Load real-time monitoring visualization device with positioning function

Publications (1)

Publication Number Publication Date
CN111245094A true CN111245094A (en) 2020-06-05

Family

ID=70877771

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010037751.6A Pending CN111245094A (en) 2020-01-14 2020-01-14 Load real-time monitoring visualization device with positioning function

Country Status (1)

Country Link
CN (1) CN111245094A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111761935A (en) * 2020-07-21 2020-10-13 广州金穗隆信息科技股份有限公司 Transfer printing device of copying machine
CN113759214A (en) * 2021-09-08 2021-12-07 国网青海省电力公司 Flexible power grid load prediction data acquisition device

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101493179A (en) * 2008-01-22 2009-07-29 鸿富锦精密工业(深圳)有限公司 Lifting mechanism
CN201281743Y (en) * 2008-09-01 2009-07-29 江苏银网电气股份有限公司 System for monitoring network distribution line fault
US20140139260A1 (en) * 2012-11-21 2014-05-22 Sunedison Llc Anti-islanding for grid tied inverters
CN104391184A (en) * 2014-11-12 2015-03-04 珠海市齐飞信息技术有限公司 Transformer phase loss detection and warning device and method
CN104482369A (en) * 2014-11-05 2015-04-01 安徽久能信息科技有限公司 Mobile stationary type signal isolator

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101493179A (en) * 2008-01-22 2009-07-29 鸿富锦精密工业(深圳)有限公司 Lifting mechanism
CN201281743Y (en) * 2008-09-01 2009-07-29 江苏银网电气股份有限公司 System for monitoring network distribution line fault
US20140139260A1 (en) * 2012-11-21 2014-05-22 Sunedison Llc Anti-islanding for grid tied inverters
CN104482369A (en) * 2014-11-05 2015-04-01 安徽久能信息科技有限公司 Mobile stationary type signal isolator
CN104391184A (en) * 2014-11-12 2015-03-04 珠海市齐飞信息技术有限公司 Transformer phase loss detection and warning device and method

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
张小龙: "低压电网实时监测相关技术研究", 《中国优秀硕士学位论文全文数据库》 *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111761935A (en) * 2020-07-21 2020-10-13 广州金穗隆信息科技股份有限公司 Transfer printing device of copying machine
CN113759214A (en) * 2021-09-08 2021-12-07 国网青海省电力公司 Flexible power grid load prediction data acquisition device
CN113759214B (en) * 2021-09-08 2024-02-06 国网青海省电力公司 Flexible power grid load prediction data acquisition device

Similar Documents

Publication Publication Date Title
CN111245094A (en) Load real-time monitoring visualization device with positioning function
CN104597398A (en) Intelligent pluggable circuit breaker and monitoring and pre-warning system thereof
CN111551791B (en) Grounding resistance monitoring device for lightning protection detection and use method thereof
CN106646116A (en) Trouble shooting and locating method for power distribution network
CN115102144B (en) Small current grounding system fault protection device and method
CN111142059A (en) Intelligent detection device and method for PT unit of outdoor ring main unit
CN207215894U (en) Electrical verification earth handcart
CN212991656U (en) Switch board with detection terminal
CN210110615U (en) Outdoor earthing knife switch
CN101359823A (en) One-phase grounding hierarchical or integral wire-selective device for high-voltage grid
CN211123161U (en) Circuit breaker loop current monitoring device
CN112821216A (en) Management equipment control system for electric power construction and method thereof
CN114545293A (en) Self-propelled transmission line fault testing equipment based on artificial intelligence
CN113049877A (en) Device and method for managing user load abnormity by special transformer metering point
CN111246182B (en) Tree barrier monitoring and positioning device based on image analysis
CN112071684A (en) Disconnecting link switch state monitoring system
CN110600311A (en) Outdoor earthing knife switch
CN220154611U (en) Short circuit ground fault indicator
CN218497074U (en) Switch cabinet partial discharge fault detection device
CN216979211U (en) High-voltage overhead conductor fault alarm device
CN208298368U (en) A kind of monitoring of dynamic device and early warning system
CN220754079U (en) Comprehensive relay protection device of water plant power distribution system
CN214378101U (en) GIS switch position monitoring system
CN215180561U (en) Patrol formula cubical switchboard monitoring devices
CN220650912U (en) Group fog monitor with auxiliary structure

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20200605