CN204615510U - A kind of device based on the automatically-monitored proterctive equipment of comprehensive guarantor - Google Patents
A kind of device based on the automatically-monitored proterctive equipment of comprehensive guarantor Download PDFInfo
- Publication number
- CN204615510U CN204615510U CN201520257462.1U CN201520257462U CN204615510U CN 204615510 U CN204615510 U CN 204615510U CN 201520257462 U CN201520257462 U CN 201520257462U CN 204615510 U CN204615510 U CN 204615510U
- Authority
- CN
- China
- Prior art keywords
- monitored
- module
- automatically
- protection
- proterctive equipment
- 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.)
- Expired - Fee Related
Links
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/124—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wired telecommunication networks or data transmission busses
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/126—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wireless data transmission
Abstract
The utility model discloses a kind of device based on the automatically-monitored proterctive equipment of comprehensive guarantor, comprise the monitoring host computer, communication manager and the background monitoring system that connect successively; Described monitoring host computer is connected to telemetry module, remote signal module, control module and protection module; Described communication manager is connected to communication controller and GPS communication system; Described background monitoring system is connected to local supervisory control system and remote client's mobile phone.The utility model is integrated with integrated protection and supervisory control system; adopt distribution distributing and concentrate the version combined; by high-speed data synchronous acquisition device, local protected location, control unit, monitoring host computer, communication management unit, fiber optic Ethernet, supervisory control system (this locality) and distance host (cell-phone customer terminal) is concentrated to form; on the basis of full station synchronous data sampling, achieve the functions such as measurement, protection, control and failure wave-recording.
Description
Technical field
The utility model relates to the fields such as transformer station and uses complex protection device, particularly at a kind of device based on the automatically-monitored proterctive equipment of comprehensive guarantor that large-scale power plant, colliery, iron and steel, metallurgy and the field such as community and transformer station use.
Background technology
In electric power system, relaying protection is the important device ensureing electric power system safety, reliability service, plays very important effect.But along with improving constantly of scientific and technological level, electric power system is also gradually towards automatically future development, and transformer station's comprehensive monitoring protection device is then the result of its inevitable development.And in the process developed to integrated automatic monitoring system in the transformer station of conventional electric power system; Microcomputer Protection also ensures safety, the reliability service of system as the electric protection of conventional electric power System relays in transformer station's synthesization Automatic monitoring systems, plays very important effect.As can be seen here, combine and protect the Chinese medicine part that monitoring is integrated automation of transformation stations supervisory control system, cooperatively interact with relaying protection, play an important role in system in shop.Transformer station combines and protects automatically-monitored proterctive equipment device by the collection only needing several holding wires can complete remote measurement, remote signalling, remote control and of ac, pulsed quantity between control room and transformer station.
Utility model content
The purpose of this utility model is to provide a kind of device based on the automatically-monitored proterctive equipment of comprehensive guarantor; this device be aim at intelligent substation electrical network demand and innovative design a kind of automation display, control, monitoring and protective device, it meets the feature request of the high and protection diversification of the measurement digitlization of Intelligent transformer station requirement, net control, status visualization, function integration, information interaction, communication security completely.
The purpose of this utility model is realized by following technical proposals:
Based on a device for the automatically-monitored proterctive equipment of comprehensive guarantor, comprise the monitoring host computer, communication manager and the background monitoring system that connect successively;
Described monitoring host computer is connected to telemetry module, remote signal module, control module and protection module;
Described communication manager is connected to communication controller and GPS communication system;
Described background monitoring system is connected to local supervisory control system and remote client's mobile phone.
Further, described telemetry module comprises Temperature Humidity Sensor and DC state acquisition module.
Further, described remote signal module is connected with switch cabinet of converting station quantity of state acquisition module.
Further, described control module is connected with circuit breaker, voltage isolating switch and sub-connecting switch of transformer.
Further; described protection module comprises automatic safety device; described automatic safety device is connected with protection measure and control unit, and protection measure and control unit comprises route protection measurement and control unit, PT protection measure and control unit, electric capacity protection measure and control unit and tranformer protection measurement and control unit.
Further; described protection measure and control unit comprises DSP mainboard; the signal conversion circuit that described DSP mainboard is connected to man-machine interface, communication interface, switch amount output unit, On-off signal unit are connected with by A/D change-over circuit, DSP mainboard is connected with power module.
Further, described A/D change-over circuit is by signal adjustment circuit connection signal translation circuit.
Further, described communication manager is connected by Shielded Twisted Pair RS485/232 with monitoring host computer.
Further, described background monitoring system is connected by Ethernet or light pricker with communication manager, realizes the communication transfer of data each other.
Further, described communication manager is provided with RS485,232 or network interface.
The utility model adopt centralized with distribution decentralized photo be combined mode, microcomputer measurement and control, disperse to protect and group screen technology, instead of electric primary circuit simulation direction board on existing transformer station distributed collection data and switch cubicle, with each electric network element for object, will measure, protect, control design case will be in same apparatus structure; Whole transformer substation system is coordinated, manages, protects and controlled, thus to various data, winding diagram and parameter form etc. that staff provides substation operation, ensure that the fail safe of system; Mainly can allow staff divides circuit breaker, closing operation carries out distant place control and provide monitoring and intervention means for staff.
The utility model device is applicable to realize protection to power equipment in automation of transformation substations monitoring and protection system, thus ensure that trouble-free equipment continues to run use normally.
The utility model has following characteristic compared with existing technology:
1, the utility model group screen window interface state very attractive in appearance, clear, various is very clear, the real-time curve chart of the various data parameters of dynamic analog display environment system.
2, the utility model is dual-bus structure, connects various monitoring and protecting device downwards, upwards connects background monitoring system and cell-phone customer terminal by advanced networks framework Ethernet or light pricker.
3, the utility model telemetry function is based on wireless sensor network technology, successfully the various informations parameter in transformer station is passed to data acquisition end by wireless self-networking, solves the expense cost of manual metering.
4, the collection of the utility model remote signaling function mainly for quantity of state and the collection of the quality of power supply.
5, the utility model distant control function carries out operation mainly for circuit breaker, voltage isolating switch, sub-connecting switch of transformer, and wherein circuit breaker is provided with on the spot and remote operation, and can adopt mutual locking for the function wherein used.
6, PT protected location is mainly PT and breaks alarm and PT fault warning, and PT breaks alarm for after alarm of breaking as PT drops into, and sentences PT mono-phase or two-phase breaks when device detects that negative sequence voltage is greater than 10V; When Uab+Ubc+Uca (scalar sum) be less than 50V and PT in service position time sentence PT three-phase broken string.PT fault warning is after earth fault alarm pressing plate drops into, and sends earth fault alarm by residual voltage now malfunction indicator lamp is bright when device detects, signal relay junction closure higher than U0zd.
7, tranformer protection monitoring and route protection monitoring.Electric power system is different for the object of protection, and the engineering completing protection is also just different, differential, the quick-break of the distance protection of such as circuit, zero-sequenceprotection, quick-break, direction overcurrent, busbar charging protection and transformer, presses through the protections such as stream, overload again.
8, the monitoring for protection unit of diversification, ensure that the safety and reliability of user operation.
9, the background monitoring system of various ways, staff can adopt local monitoring system that cell-phone customer terminal also can be adopted to monitor.
Accompanying drawing explanation
Fig. 1 is the apparatus system block diagram of the utility model based on comprehensive automation monitoring and protection equipment.
Fig. 2 is the system construction drawing of protected location.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described further.
As shown in Figure 1, this device combining the automatically-monitored proterctive equipment of guarantor comprises the monitoring host computer, communication manager and the background monitoring system that connect successively.
Wherein, monitoring host computer is made up of telemetry module, remote signal module, control module and protection module, and telemetry module, remote signal module, control module and protection module are all that the mode of the concentrated group screen adopted shows related data information.Communication manager is connected to communication controller and GPS communication system; Background monitoring system realizes monitoring by two kinds of modes, and one is local monitoring system, and one is remote handset client.
Wherein, telemetry module comprises Temperature Humidity Sensor and DC state acquisition module, and telemetry module is mainly measured site environment humiture data and DC data, and acquisition mode adopts zigbee wireless networking mode image data.Remote signal module is connected with switch cabinet of converting station quantity of state acquisition module, mainly to the collection of switch cabinet of converting station quantity of state.Control module is connected with circuit breaker, voltage isolating switch and sub-connecting switch of transformer, mainly to the control of circuit breaker, sub-connecting switch of transformer, voltage isolating switch.Protection module comprises automatic safety device, and automatic safety device is connected with protection measure and control unit, and protection measure and control unit comprises route protection measurement and control unit, PT protection measure and control unit, electric capacity protection measure and control unit and tranformer protection measurement and control unit.
As shown in Figure 2; protection measure and control unit comprises DSP mainboard; the signal conversion circuit that described DSP mainboard is connected to man-machine interface, communication interface, switch amount output unit, On-off signal unit are connected with by A/D change-over circuit, DSP mainboard is connected with power module.Wherein, A/D change-over circuit is by signal adjustment circuit connection signal translation circuit.
In this device, communication manager is formed primarily of GPS communication system and communication controller.Communication manager is connected by Shielded Twisted Pair RS485/232 with monitoring host computer.
Background monitoring system realizes monitoring by two kinds of modes, and one is local monitoring system, and one is distant place cell-phone customer terminal.Wherein, background monitoring system and communication manager realize the communication transfer of data each other by the mode of Ethernet or light pricker.
Combine protect automation protective device adopt centralized be combined with distribution decentralized photo mode, microcomputer measurement and control, disperse to protect and group screen technology; combine the multiple technologies such as transducer, embedding assembly, distributed information processing and radio communication; can mutually detect in real time collaboratively, perception and the various object information of collection, and its data to be processed.
Monitoring and protection unit mainly contains monitoring unit and protected location and unites two into one and formed; monitoring and protection adopt concentrates the mode of group screen to carry out centralized displaying and control to related data information, completes the task of remote measurement, remote signalling, of ac, the collection of pulsed quantity and enforcement remote control, remote regulating.
Utility model works principle and function as follows:
The utility model for core with 32 ARM system, adopts multipriority interrupt service mechanism, improves the real-time of protecting control.Collection, monitoring, protective device functional unit adopt modularized design, and each functional module is interconnected.Each modular unit achieves process and the measurement of various types of signal respectively; connect by unified communication bus Shielded Twisted Pair Interface and Communication supervisor and realize reliable communication; achieve the data reliability and security row combining and protect automatically-monitored proterctive equipment device, and telemetered signal adopts advanced Zigbee ad hoc network to realize transfer of data and collection.Combine the automatically-monitored proterctive equipment device of guarantor and provide mass data storage and the inquiry of historical data function; and realizing uploading of data eventually through the internet core technology of advanced person, staff monitors in real time by local monitoring system or cell-phone customer terminal.
The utility model has following function:
1, group screen Presentation Function
Multiaspect switch cabinet one-time system state diagram, relative breaker state information, contact temperature information, ambient temperature and humidity information, temperature of oil in transformer information can be shown clearly; The real-time curve chart of the various data parameters of environmental system; The amendment of touching type operation relative address state.
2, telemetry function
Comprise ambient temperature and humidity detection, ETS Concentration Testing, contact temperature detect, temperature of oil in transformer is monitored and management platform linking functions.
3, remote signaling function
For the collection of quantity of state and the collection of the quality of power supply.
4, distant control function
Carry out operation mainly for circuit breaker, voltage isolating switch, sub-connecting switch of transformer, wherein circuit breaker is provided with on the spot and remote operation, and can adopt mutual locking for the function wherein used.
5, tranformer protection monitoring and route protection monitoring
Electric power system is different for the object of protection, and the engineering completing protection is also just different, differential, the quick-break of the distance protection of such as circuit, zero-sequenceprotection, quick-break, direction overcurrent, busbar charging protection and transformer, presses through the protections such as stream, overload again.
6, PT protected location
Be mainly PT to break alarm and PT fault warning, PT breaks alarm for after alarm of breaking as PT drops into, and sentences PT mono-phase or two-phase breaks when device detects that negative sequence voltage is greater than 10V; When Uab+Ubc+Uca (scalar sum) be less than 50V and PT in service position time sentence PT three-phase broken string.PT fault warning is after earth fault alarm pressing plate drops into, and sends earth fault alarm by residual voltage now malfunction indicator lamp is bright when device detects, signal relay junction closure higher than U0zd.
7, the background monitoring system of various ways
Staff can adopt local monitoring system that cell-phone customer terminal also can be adopted to monitor.
Although be described the utility model by reference to the accompanying drawings above; but the utility model is not limited to above-mentioned embodiment; above-mentioned embodiment is only schematic; those skilled in the art is under enlightenment of the present utility model; do not departing under the ambit that aim of the present utility model and claim protect; can also make a lot of form, these all belong within protection range of the present utility model.
Claims (10)
1. based on a device for the automatically-monitored proterctive equipment of comprehensive guarantor, it is characterized in that: comprise the monitoring host computer, communication manager and the background monitoring system that connect successively;
Described monitoring host computer is connected to telemetry module, remote signal module, control module and protection module;
Described communication manager is connected to communication controller and GPS communication system;
Described background monitoring system is connected to local supervisory control system and remote client's mobile phone.
2., as claimed in claim 1 based on the device of the automatically-monitored proterctive equipment of comprehensive guarantor, it is characterized in that: described telemetry module comprises Temperature Humidity Sensor and DC state acquisition module.
3., as claimed in claim 1 based on the device of the automatically-monitored proterctive equipment of comprehensive guarantor, it is characterized in that: described remote signal module is connected with switch cabinet of converting station quantity of state acquisition module.
4., as claimed in claim 1 based on the device of the automatically-monitored proterctive equipment of comprehensive guarantor, it is characterized in that: described control module is connected with circuit breaker, voltage isolating switch and sub-connecting switch of transformer.
5. as claimed in claim 1 based on the device of the automatically-monitored proterctive equipment of comprehensive guarantor; it is characterized in that: described protection module comprises automatic safety device; described automatic safety device is connected with protection measure and control unit, and protection measure and control unit comprises route protection measurement and control unit, PT protection measure and control unit, electric capacity protection measure and control unit and tranformer protection measurement and control unit.
6. as claimed in claim 5 based on the device of the automatically-monitored proterctive equipment of comprehensive guarantor; it is characterized in that: described protection measure and control unit comprises DSP mainboard; the signal conversion circuit that described DSP mainboard is connected to man-machine interface, communication interface, switch amount output unit, On-off signal unit are connected with by A/D change-over circuit, DSP mainboard is connected with power module.
7. as claimed in claim 6 based on the device of the automatically-monitored proterctive equipment of comprehensive guarantor, it is characterized in that: described A/D change-over circuit is by signal adjustment circuit connection signal translation circuit.
8., as claimed in claim 1 based on the device of the automatically-monitored proterctive equipment of comprehensive guarantor, it is characterized in that: described communication manager is connected by Shielded Twisted Pair RS485/232 with monitoring host computer.
9., as claimed in claim 1 based on the device of the automatically-monitored proterctive equipment of comprehensive guarantor, it is characterized in that: described background monitoring system is connected by Ethernet or light pricker with communication manager.
10. as claimed in claim 1 based on the device of the automatically-monitored proterctive equipment of comprehensive guarantor, it is characterized in that: described communication manager is provided with RS485,232 or network interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520257462.1U CN204615510U (en) | 2015-04-24 | 2015-04-24 | A kind of device based on the automatically-monitored proterctive equipment of comprehensive guarantor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520257462.1U CN204615510U (en) | 2015-04-24 | 2015-04-24 | A kind of device based on the automatically-monitored proterctive equipment of comprehensive guarantor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204615510U true CN204615510U (en) | 2015-09-02 |
Family
ID=53968034
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520257462.1U Expired - Fee Related CN204615510U (en) | 2015-04-24 | 2015-04-24 | A kind of device based on the automatically-monitored proterctive equipment of comprehensive guarantor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204615510U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105098995A (en) * | 2015-09-22 | 2015-11-25 | 国网山东省电力公司滨州供电公司 | Switch state monitoring device in transformer substation cabinet |
| CN105186691A (en) * | 2015-09-07 | 2015-12-23 | 国网山东烟台市福山区供电公司 | Press plate monitoring host having remote switching function |
| CN105929289A (en) * | 2016-07-06 | 2016-09-07 | 河北箱变电器有限公司 | Electric energy quality online remote monitoring system |
| CN105978161A (en) * | 2016-07-06 | 2016-09-28 | 河北箱变电器有限公司 | Integrated distribution remote intelligent monitoring system |
| CN106329732A (en) * | 2016-11-16 | 2017-01-11 | 浙江鲁高电力科技有限公司 | High voltage breaker monitoring system and method thereof |
| CN107453486A (en) * | 2017-09-30 | 2017-12-08 | 国网河南省电力公司开封供电公司 | A kind of front controller of ring-main unit comprehensive monitoring system |
| CN114172265A (en) * | 2021-11-23 | 2022-03-11 | 保定市冀能电力自动化设备有限公司 | Comprehensive protection measurement and control system |
-
2015
- 2015-04-24 CN CN201520257462.1U patent/CN204615510U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105186691A (en) * | 2015-09-07 | 2015-12-23 | 国网山东烟台市福山区供电公司 | Press plate monitoring host having remote switching function |
| CN105098995A (en) * | 2015-09-22 | 2015-11-25 | 国网山东省电力公司滨州供电公司 | Switch state monitoring device in transformer substation cabinet |
| CN105929289A (en) * | 2016-07-06 | 2016-09-07 | 河北箱变电器有限公司 | Electric energy quality online remote monitoring system |
| CN105978161A (en) * | 2016-07-06 | 2016-09-28 | 河北箱变电器有限公司 | Integrated distribution remote intelligent monitoring system |
| CN106329732A (en) * | 2016-11-16 | 2017-01-11 | 浙江鲁高电力科技有限公司 | High voltage breaker monitoring system and method thereof |
| CN107453486A (en) * | 2017-09-30 | 2017-12-08 | 国网河南省电力公司开封供电公司 | A kind of front controller of ring-main unit comprehensive monitoring system |
| CN114172265A (en) * | 2021-11-23 | 2022-03-11 | 保定市冀能电力自动化设备有限公司 | Comprehensive protection measurement and control system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204615510U (en) | A kind of device based on the automatically-monitored proterctive equipment of comprehensive guarantor | |
| CN109742862B (en) | Remote control system for safe power utilization | |
| CN109787363B (en) | Safe power utilization system based on voice module | |
| CN209232119U (en) | A kind of box-type substation monitoring and alarming system based on cloud service platform | |
| CN104810923A (en) | Intelligent power distribution and use integrated terminal based on IEC61850 stipulation | |
| CN204758748U (en) | Cubical switchboard intelligent integrated monitoring devices | |
| CN105071532A (en) | Transformer station automatic system | |
| CN103107595B (en) | Substation automation system in prefabricated transformer substation | |
| CN104242472B (en) | A kind of railway station low buckling distribution intelligent monitor system | |
| CN104377822A (en) | Low-voltage distribution area monitoring system | |
| CN104917062A (en) | Intelligent switch cabinet control system | |
| CN202276193U (en) | Intelligent switch cabinet integrating intelligent operation and control and microcomputer protection | |
| CN201374500Y (en) | Intelligent power distribution cabinet | |
| CN209470802U (en) | A kind of converter station sulfur hexafluoride gas air pressure on-line monitoring system | |
| CN205544617U (en) | Distribution transformer's control, protection and management device | |
| CN104993601A (en) | Box-type substation remote control system | |
| CN104377824A (en) | Monitoring system of low-voltage power distribution transformer | |
| CN102209231A (en) | Equipment information output method and system | |
| CN203691060U (en) | Intelligent switch cabinet comprehensive detection device | |
| CN203615971U (en) | Online monitoring device suitable for large-spanning comprehensive monitoring | |
| CN206922507U (en) | A kind of intelligent integrated switch board | |
| CN204884342U (en) | Real standard examination device of intelligent power distribution | |
| CN205159839U (en) | Modular flame -proof type high pressure vacuum distribution device | |
| CN211321024U (en) | Embedded distribution transformer monitoring and metering device and distribution room terminal | |
| CN204290503U (en) | Integral intelligent AC power case |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160920 Address after: 225400, Huang Cheng Road, Taixing Town, Jiangsu Patentee after: Jiangsu sailor Bao Technology Co. Ltd. Address before: 710065, Room 303, block B, international electrical Center, No. 3 electronic West Street, Yanta District, Shaanxi, Xi'an Patentee before: Xi'an ZhongHeng Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150902 Termination date: 20200424 |