CN208835837U - Long-range involution equipment and system - Google Patents

Long-range involution equipment and system Download PDF

Info

Publication number
CN208835837U
CN208835837U CN201821161795.4U CN201821161795U CN208835837U CN 208835837 U CN208835837 U CN 208835837U CN 201821161795 U CN201821161795 U CN 201821161795U CN 208835837 U CN208835837 U CN 208835837U
Authority
CN
China
Prior art keywords
equipment
involution
control terminal
alarm
protection supervisory
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
Application number
CN201821161795.4U
Other languages
Chinese (zh)
Inventor
谢永祥
王庆生
戴运清
凌强
曾惠娟
刘斌
庄博明
林福临
王秋宇
陈琳
张元彦
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
Huizhou Power Supply Bureau of Guangdong Power Grid Co Ltd
Original Assignee
Guangdong Power Grid Co Ltd
Huizhou 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, Huizhou Power Supply Bureau of Guangdong Power Grid Co Ltd filed Critical Guangdong Power Grid Co Ltd
Priority to CN201821161795.4U priority Critical patent/CN208835837U/en
Application granted granted Critical
Publication of CN208835837U publication Critical patent/CN208835837U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Selective Calling Equipment (AREA)

Abstract

本实用新型提供了一种远程复归设备及系统,其中,该远程复归设备包括远动机、控制端和保护测控装置;上述远动机分别与控制端和保护测控装置连接;控制端与保护测控装置连接;上述控制端用于向远动机发送复归命令;上述远动机用于将复归命令转发至保护测控装置,以复归保护测控装置的告警接点。本实用新型中,运行人员无需前往现场就能复归保护测控装置,降低了复归装置的所需的时间成本和人力成本;同时,可以保证自动化监控系统实时监控保护测控装置,降低了设备运行的风险。

The utility model provides a remote reset device and system, wherein the remote reset device comprises a remote motor, a control terminal and a protection measurement and control device; the remote motor is respectively connected with the control terminal and the protection measurement and control device; the control terminal is connected with the protection measurement and control device The above-mentioned control terminal is used to send a reset command to the remote motor; the above-mentioned remote motor is used to forward the reset command to the protection measurement and control device, so as to reset the alarm contact of the protection measurement and control device. In the utility model, the operator can restore the protection measurement and control device without going to the site, which reduces the time cost and labor cost required for the restoration device; at the same time, it can ensure that the automatic monitoring system monitors the protection measurement and control device in real time, and reduces the risk of equipment operation. .

Description

Long-range involution equipment and system
Technical field
The utility model relates to long-range involution technical fields, more particularly, to a kind of long-range involution equipment and system.
Background technique
Existing route protection measure and control device, the reason of design because of program of device, device is in sending " protection act " signal Device " alarm " junction closure afterwards, device will not voluntarily involution " alarm " contact, cause the device " alarm signal " to supervise in scheduling Control main station system alarm window is always on, also, any alarm signal of hereafter device generation (such as: control broken string) all can not On send to scheduling so that dispatcher loses the monitoring to protection supervisory equipment after this timing node, increase equipment operation Risk;It is at present to patrol fibrillar center when value operations staff goes to substation's hand resetting protection observing and controlling dress to the processing mode of the problem It sets, and confirms with dispatching and monitoring person, both wasted manpower in this way and also increased time cost.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of long-range involution equipment and system, to reduce involution dress Set the risk of required time cost, human cost and equipment operation.
In a first aspect, the utility model embodiment provides a kind of long-range involution equipment, which includes remote Motivation, control terminal and protection supervisory equipment;Telecontrol device is connect with control terminal and protection supervisory equipment respectively;Control terminal and protection are surveyed Control device connection;Control terminal is used to send involution order to telecontrol device;Telecontrol device is used to involution order being forwarded to protection observing and controlling Device, with the alarm contact of involution protection supervisory equipment.
With reference to first aspect, the utility model embodiment provides the first possible embodiment of first aspect, In, above-mentioned control terminal is connect with telecontrol device by connection.
With reference to first aspect, the utility model embodiment provides second of possible embodiment of first aspect, In, above equipment further includes remote control module;Remote control module is connect with control terminal, sends involution to telecontrol device for controlling control terminal Order.
The possible embodiment of second with reference to first aspect, the utility model embodiment provide the of first aspect Three kinds of possible embodiments, above-mentioned remote control module include Digiplex.
With reference to first aspect, the utility model embodiment provides the 4th kind of possible embodiment of first aspect, In, above-mentioned protection supervisory equipment includes controller and alarm switch;Controller is connected with alarm switch;Above controller is for connecing Alarm signal is received, the opening or closure of above-mentioned alarm switch are controlled.
The 4th kind of possible embodiment with reference to first aspect, the utility model embodiment provide the of first aspect Five kinds of possible embodiments, above-mentioned protection supervisory equipment further include reset button and indicator light;Reset button and indicator light point It is not connect with controller;Reset button is used for the contact of reset alarm switch;Indicator light is used for the state of display alarm switch.
With reference to first aspect, the utility model embodiment provides the 6th kind of possible embodiment of first aspect, In, above equipment further includes warning information display module;Warning information display module is connect with protection supervisory equipment, for showing The warning information of protection supervisory equipment.
With reference to first aspect, the utility model embodiment provides the 7th kind of possible embodiment of first aspect, In, above-mentioned control terminal includes processor and memory;Memory is for storing reset routine.
Second aspect, the utility model embodiment also provide a kind of long-range involution system, which includes first aspect Long-range involution equipment, further includes Automatic monitoring systems;The Automatic monitoring systems are connect with protection supervisory equipment.
In conjunction with second aspect, the utility model embodiment provides the first possible embodiment of second aspect, In, above-mentioned Automatic monitoring systems are provided with alarm window, for monitoring the working condition of protection supervisory equipment.
The utility model embodiment bring it is following the utility model has the advantages that
The utility model provides a kind of long-range involution equipment and system, the utility model include telecontrol device, control terminal and Protection supervisory equipment;Above-mentioned telecontrol device is connect with control terminal and protection supervisory equipment respectively;Control terminal and protection supervisory equipment connect It connects;Above-mentioned control terminal is used to send involution order to telecontrol device;Above-mentioned telecontrol device is used to involution order being forwarded to protection observing and controlling Device, with the alarm contact of involution protection supervisory equipment.In the utility model, operations staff is without going to live energy involution to protect Measure and control device is protected, the required time cost and human cost of re-setting device is reduced;Simultaneously, it is ensured that automatically-monitored system System real time monitoring protection supervisory equipment, reduces the risk of equipment operation.
Other feature and advantage of the utility model will illustrate in the following description, also, partly from specification In become apparent, or understood and implementing the utility model.The purpose of this utility model and other advantages are illustrating Specifically noted structure is achieved and obtained in book, claims and attached drawing.
To enable the above objects, features, and advantages of the utility model to be clearer and more comprehensible, preferred embodiment is cited below particularly, and Cooperate appended attached drawing, is described in detail below.
Detailed description of the invention
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art Under the premise of labour, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of structural schematic diagram of long-range involution equipment provided by the embodiment of the utility model;
Fig. 2 is the structural schematic diagram of another long-range involution equipment provided by the embodiment of the utility model;
Fig. 3 is the structural representation of protection supervisory equipment in another long-range involution equipment provided by the embodiment of the utility model Figure;
Fig. 4 is a kind of structural schematic diagram of long-range involution system provided by the embodiment of the utility model.
Icon: 10- telecontrol device;11- control terminal;12- protection supervisory equipment;20- remote control module;21- warning information is shown Module;30- controller;31- alarm switch;31- reset button;33- indicator light;The long-range involution equipment of 40-;41- automation prison Control system.
Specific embodiment
To keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, below in conjunction with attached drawing to this The technical solution of utility model is clearly and completely described, it is clear that described embodiment is that the utility model a part is real Example is applied, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not making Every other embodiment obtained, fall within the protection scope of the utility model under the premise of creative work.
Existing protection supervisory equipment is difficult to voluntarily involution " alarm " contact, needs operations staff that scene is gone to reset the dress It sets, not only wastes time and manpower, but also dispatcher loses the monitoring to protection supervisory equipment after the timing node, increase The risk of equipment operation, is based on this, and a kind of long-range involution equipment and system provided by the embodiment of the utility model, which can To be applied in the scene of substation's involution system or other involution systems.
For convenient for understanding the present embodiment, first to the long-range involution of a kind of side disclosed in the utility model embodiment Equipment row is discussed in detail.
A kind of structural schematic diagram of long-range involution equipment shown in Figure 1;The long-range involution equipment include telecontrol device 10, Control terminal 11 and protection supervisory equipment 12;Wherein, telecontrol device 10 is connect with control terminal 11 and protection supervisory equipment 12 respectively;Control End 11 is connect with protection supervisory equipment 12;
Above-mentioned control terminal 11 is used to send involution order to telecontrol device 10;Telecontrol device 10 is for the involution order to be forwarded to Protection supervisory equipment 12, with the alarm contact of involution protection supervisory equipment 12.
Above-mentioned telecontrol device 10 detects and controls at a distance commonly used in electric power system dispatching service.Due to electrical energy production Feature, energy centre and load center are generally far apart, and electric system is distributed in very wide region, for example, power plant, power transformation The distance between institute, power-management centre and user are then tens kilometers nearly, far then hundreds of kilometer even thousands of miles, to manage and It monitors the numerous factories being widely distributed, institute, stand and the operating condition of equipment, component, common mechanically contact or electricity cannot be used It contacts to transmit the data of control information or feedback, it is necessary to by means of above-mentioned telecontrol device and the relevant technologies.
For example, above-mentioned telecontrol device can be in order to complete scheduling substation between various information acquisition, and in real time into The automatic automatic device transmitted and exchange of row.
Above-mentioned control terminal 11 issues again for storing long-range involution program, and by the long-range involution program to telecontrol device 10 Return order, and above-mentioned involution order is to be sent to telecontrol device by communication channel, which can be wire channel It can be wireless channel.
In the case where not receiving alarm signal, the alarm contact of above-mentioned protection supervisory equipment 12 is in the open state, After receiving alarm signal, junction closure is alerted.After alarm releases, control terminal can issue involution order to telecontrol device, work as telecontrol device After 10 receive above-mentioned involution order, which is transmitted to protection supervisory equipment 12;After receiving order, protection observing and controlling dress The alarm contact of 12 involution its device is set, that is, opens the alarm switch of protection supervisory equipment, restores protection supervisory equipment Normal alarm function.
Above-mentioned warning information can control back broken string, PT (Potential Transformer, voltage transformer) breaks, CT (current transformer, current transformer) broken string etc..
It controls back broken string and typically refers to control loop template, control power supply is spaced apart tripping or circuit loses power supply and may all draw Start to control back broken string;PT broken string most importantly its protection fuse is blown, and Producing reason is mainly secondary side overload, insulation Caused by decline or short circuit, it is also possible to the problem of installation, is caused, if PT lead installation site it is incorrect or it is fixed not It reliably, all may be the work of the electromagnetic force of direction alternation as suffered by PT lead by the effect of electromagnetic torque when work With for a long time, lead is easy for being broken because of fatigue;CT broken string is usually that device is equipped with the alarm of stable state CT broken string and transient state The function of CT broken string alarm, should be known as the circuit that CT burn out detection is wye connection just for each side CT wiring of transformer, be knot Close a kind of CT broken string alarm detection principle of transformer differential protection.
Above-mentioned protection supervisory equipment 12 usually has protection, measurement, monitoring, communication, logout, failure wave-recording and operation The functions such as anti-error;Meanwhile it is also to constitute the ideal of the power station integrated automation systems such as substation, Auxiliary System in Power Plant intelligently to set Standby device.
The utility model provides a kind of long-range involution equipment, which includes telecontrol device, control terminal and protection observing and controlling dress It sets;Above-mentioned telecontrol device is connect with control terminal and protection supervisory equipment respectively;Control terminal is connect with protection supervisory equipment;Above-mentioned control End is for sending involution order to telecontrol device;Above-mentioned telecontrol device is used to involution order being forwarded to protection supervisory equipment, with involution The alarm contact of protection supervisory equipment.In the utility model, operations staff is not necessarily to go to live energy involution protection supervisory equipment, Reduce the required time cost and human cost of re-setting device;Simultaneously, it is ensured that Automatic monitoring systems real time monitoring Protection supervisory equipment reduces the risk of equipment operation.
The structural schematic diagram of the long-range involution equipment of another kind shown in Figure 2;The long-range involution equipment is shown in Fig. 1 It is realized on the basis of long-range involution equipment;The long-range involution equipment includes remote control module 20;The remote control module 20 and control terminal 11 Connection sends involution order to telecontrol device 10 for controlling control terminal 11.Above-mentioned control terminal 11 passes through connection with telecontrol device 10 Connection.
Above-mentioned remote control module 20 can usually control remote controlled device by communication medium;It mainly by The composition such as operating device, code device, sending device, channel, reception device, code translator and executing agency;Above-mentioned remote control class Type can be divided into wired remote control, wireless remote control and light remote control;Above-mentioned controlled device presses distributing position, can be divided into concentrated (such as transmission line etc.) of (such as factory, substation etc.) and dispersing type.
Above-mentioned remote control module 20 includes Digiplex, it is a kind of device for remote control of machine, that is to say, that Digiplex can control remote control module 20, issue involution order with remote control control terminal 11.
Above-mentioned long-range involution equipment further includes warning information display module 21;The warning information display module 21 and protection are surveyed It controls device 12 to connect, for showing the warning information of the protection supervisory equipment 12.
Above-mentioned warning information display module 21, also can be regarded as human-computer interaction interface, accuse with protection supervisory equipment Alert information shows, is remotely controlled the function of involution protective device, to improve the practicability at program scene.
As shown in figure 3, above-mentioned protection supervisory equipment 12 includes controller 30 and alarm switch 31;Above controller 30 and announcement Alert switch 31 connects;Above controller 30 controls the opening or closure of alarm switch 31 for receiving alarm signal.
The alarm switch 31 being arranged in protection supervisory equipment 12 is equivalent to above-mentioned alarm contact, that is, in involution When device, the alarm contact of involution is needed;The movement of re-setting device is to open alarm switch 31;On the contrary, when receiving announcement After alert signal, the alarm switch 31 in protection control measure and control device 12 is closed, to protect whole equipment.
Above-mentioned protection supervisory equipment 12 further includes reset button 32 and indicator light 33;The reset button 32 and indicator light 33 divide It is not connect with controller 30;The reset button 32 is used for the contact of reset alarm switch 31;Indicator light 33 is opened for display alarm Close 31 state.
Above-mentioned reset button is mainly used for reset alarm contact, that is, the alarm switch is opened;Reset button master Play the role of a duplicate protection equipment, that is to say, that if long-range involution system is normal, do not need using reset button, But when the long-range involution system failure, then need to alert contact using involution button come involution.
The control terminal 11 of above equipment includes processor and memory;Above-mentioned memory is for storing reset routine.
It include single-chip microcontroller in the processor of above-mentioned control terminal 11, single-chip microcontroller (Microcontrollers) is a kind of integrated electricity Road chip is using very large scale integration technology the central processor CPU with data-handling capacity, random access memory RAM, read only memory ROM, it is a variety of I/O mouthfuls and interrupt system, the functions such as timer/counter (may further include display driving The circuits such as circuit, pulse-width modulation circuit, analog multiplexer, A/D converter) to be integrated into one constituted on one piece of silicon wafer small And perfect microcomputer system, it is widely applied in industrial control field.
Above-mentioned memory is for storing involution program, and when needing to alarm contact just involution, processor is needed from depositing Involution program is dispatched in reservoir, to issue involution order to telecontrol device by involution program, which is to pass through communication Channel is sent to telecontrol device.
Above-mentioned communication channel can by the equipment such as telephone line, telegraphy line, coaxial cable, microwave and optical fiber one kind or Person's a combination thereof is constituted.
Another long-range involution equipment provided by the embodiment of the utility model, can be such that the operations staff at inspection center passes through remote Cheng Fugui equipment, the alarm contact of Lai Fugui protection supervisory equipment replace traditional scene to fill by this teleoperated manner The mode for setting involution, is greatly saved manpower and material resources cost, improves work actual effect and the management level of personnel comprehensively, together When, also guarantee is provided for the safe operation of equipment.
Corresponding to the embodiment of above-mentioned long-range involution equipment, a kind of structure of long-range involution system shown in Figure 4 is shown It is intended to;The system includes above-mentioned long-range involution equipment 40, further includes Automatic monitoring systems 41;Automatic monitoring systems 41 with it is upper State the connection of protection supervisory equipment 12.
Above-mentioned Automatic monitoring systems 41 are provided with alarm window, for monitoring the working condition of protection supervisory equipment 12.
Above-mentioned automatic monitoring system 41 refers to automatic control device, carries out to key parameters certain in production run Automatic monitoring, makes them under the influence of by external interference or disturbance, can be automatic when deviateing normal working condition Ground by the status display alarm window on, so that dispatcher takes appropriate measures to the alarm.
Long-range involution system provided by the embodiment of the utility model has with long-range involution equipment provided by the above embodiment Identical technical characteristic reaches identical technical effect so also can solve identical technical problem.
A kind of long-range involution equipment and system provided by the utility model embodiment are mainly used for the long-range multiple of substation Return in system, the involution button that this task of re-setting device only needs to press device can be realized, and aim at one so simply Task makes operations staff rush for substation from inspection center, not only waste of manpower but also has increased time cost;If the late into the night Or in the case of special weather, drive to go to substation from inspection center, also adds traffic safety risk, it is practical new by this The long-range involution equipment of type, comes to substation field personally without operations staff, so that it may re-setting device, save human cost and when Between cost, while also reducing the risk of substation operation.
In addition, in the description of the utility model embodiment unless specifically defined or limited otherwise, term " installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally connect It connects;It can be mechanical connection, be also possible to be electrically connected;It can be directly connected, can also indirectly connected through an intermediary, it can To be the connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood with concrete condition Concrete meaning in the present invention.
It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.In addition, term " the One ", " second ", " third " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
Finally, it should be noted that embodiment described above, only specific embodiment of the present utility model, to illustrate this The technical solution of utility model, rather than its limitations, the protection scope of the utility model is not limited thereto, although referring to aforementioned The utility model is described in detail in embodiment, those skilled in the art should understand that: it is any to be familiar with this skill The technical staff in art field within the technical scope disclosed by the utility model, still can be to skill documented by previous embodiment Art scheme modify or can readily occur in variation or equivalent replacement of some of the technical features;And these modifications, Variation or replacement, the spirit and model of the utility model embodiment technical solution that it does not separate the essence of the corresponding technical solution It encloses, should be covered within the scope of the utility model.Therefore, the protection scope of the utility model is answered described is wanted with right Subject to the protection scope asked.

Claims (10)

1. a kind of long-range involution equipment, which is characterized in that the long-range involution equipment includes telecontrol device, control terminal and protection observing and controlling Device;
The telecontrol device is connect with the control terminal and the protection supervisory equipment respectively;The control terminal and the protection observing and controlling Device connection;
The control terminal is used to send involution order to the telecontrol device;The telecontrol device is for the involution order to be forwarded to The protection supervisory equipment, with the alarm contact of protection supervisory equipment described in involution.
2. equipment according to claim 1, which is characterized in that the control terminal and the telecontrol device are connected by connection It connects.
3. equipment according to claim 1, which is characterized in that the equipment further includes remote control module;
The remote control module is connect with the control terminal, sends the involution life to the telecontrol device for controlling the control terminal It enables.
4. equipment according to claim 3, which is characterized in that the remote control module includes Digiplex.
5. equipment according to claim 1, which is characterized in that the protection supervisory equipment includes that controller and alarm are opened It closes;
The controller is connected with the alarm switch;The controller controls the alarm switch for receiving alarm signal Opening or closure.
6. equipment according to claim 5, which is characterized in that the protection supervisory equipment further includes reset button and instruction Lamp;
The reset button and the indicator light are connect with the controller respectively;
The reset button is used to reset the contact of the alarm switch;The indicator light is used to show the shape of the alarm switch State.
7. equipment according to claim 1, which is characterized in that the equipment further includes warning information display module;
The warning information display module is connect with the protection supervisory equipment, for showing the alarm of the protection supervisory equipment Information.
8. equipment according to claim 1, which is characterized in that the control terminal includes processor and memory;
The memory is for storing reset routine.
9. a kind of long-range involution system, which is characterized in that the system comprises the described in any item long-range involutions of claim 1-8 Equipment further includes Automatic monitoring systems;
The Automatic monitoring systems are connect with the protection supervisory equipment.
10. system according to claim 9, which is characterized in that the Automatic monitoring systems are provided with alarm window, use In the working condition for monitoring the protection supervisory equipment.
CN201821161795.4U 2018-07-20 2018-07-20 Long-range involution equipment and system Active CN208835837U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821161795.4U CN208835837U (en) 2018-07-20 2018-07-20 Long-range involution equipment and system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821161795.4U CN208835837U (en) 2018-07-20 2018-07-20 Long-range involution equipment and system

Publications (1)

Publication Number Publication Date
CN208835837U true CN208835837U (en) 2019-05-07

Family

ID=66306929

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201821161795.4U Active CN208835837U (en) 2018-07-20 2018-07-20 Long-range involution equipment and system

Country Status (1)

Country Link
CN (1) CN208835837U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111682647A (en) * 2020-07-03 2020-09-18 国网四川省电力公司绵阳供电公司 Substation telecontrol signal power failure reset device and system
CN113824096A (en) * 2021-09-18 2021-12-21 中国南方电网有限责任公司超高压输电公司检修试验中心 Method, device, equipment and storage medium for restoration of DC transmission line protection system

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111682647A (en) * 2020-07-03 2020-09-18 国网四川省电力公司绵阳供电公司 Substation telecontrol signal power failure reset device and system
CN113824096A (en) * 2021-09-18 2021-12-21 中国南方电网有限责任公司超高压输电公司检修试验中心 Method, device, equipment and storage medium for restoration of DC transmission line protection system
CN113824096B (en) * 2021-09-18 2024-04-02 中国南方电网有限责任公司超高压输电公司检修试验中心 DC transmission line protection system reset method, device, equipment and storage medium

Similar Documents

Publication Publication Date Title
CN204758748U (en) Cubical switchboard intelligent integrated monitoring devices
CN105471112B (en) A kind of intelligent monitoring device and method for electric power tower bar
CN107290955B (en) A multi-channel temperature control box with Internet of Things communication function
CN104460614A (en) Hotel energy-consumption intelligent remote monitoring and managing system
CN104993601A (en) Box-type substation remote control system
CN208835837U (en) Long-range involution equipment and system
CN110780232A (en) An intelligent comprehensive online monitoring device for automatic ring network cabinet
TWI442663B (en) Intelligent microgrid control system and intelligent electricity management method
CN111624512A (en) A ring network cabinet online monitoring device
CN206517155U (en) Intelligent breaker distribution box
CN203423539U (en) Low-voltage power grid load and leak current integrated monitoring device
CN103296756A (en) Managing and monitoring system for transformer substation
CN101997341A (en) Intelligent distribution station centralized control management system
CN201259622Y (en) Remote digital monitoring system
CN208568961U (en) A power line detection system based on power line carrier communication technology
CN207166224U (en) Switch cubicle control circuit on-line monitoring system
CN206442114U (en) Intelligent breaker
CN212229020U (en) Three-phase safety electric meter
CN111313549B (en) Flood light stock power supply system based on ubiquitous Internet of things and monitoring method
CN212808564U (en) A ring network cabinet online monitoring device
CN211656393U (en) Fee control terminal wireless communication system of state cipher algorithm
CN208385846U (en) Integrated ring network cabinet with DTU
CN201846133U (en) Intelligent control device of 10KV-20KVcable ring main unit
CN107733083A (en) Suitable for the distribution monitor equipment of intelligent building
CN203589841U (en) Power distribution room monitoring system

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant