CN109144012A - A kind of frequency conversion driving conditions control intelligent monitor system and monitoring method - Google Patents
A kind of frequency conversion driving conditions control intelligent monitor system and monitoring method Download PDFInfo
- Publication number
- CN109144012A CN109144012A CN201811168446.XA CN201811168446A CN109144012A CN 109144012 A CN109144012 A CN 109144012A CN 201811168446 A CN201811168446 A CN 201811168446A CN 109144012 A CN109144012 A CN 109144012A
- Authority
- CN
- China
- Prior art keywords
- monitoring server
- frequency conversion
- video
- data
- conversion driving
- 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
Links
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/418—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS], computer integrated manufacturing [CIM]
- G05B19/4183—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS], computer integrated manufacturing [CIM] characterised by data acquisition, e.g. workpiece identification
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/418—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS], computer integrated manufacturing [CIM]
- G05B19/4185—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS], computer integrated manufacturing [CIM] characterised by the network communication
- G05B19/41855—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS], computer integrated manufacturing [CIM] characterised by the network communication by local area network [LAN], network structure
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/25—Pc structure of the system
- G05B2219/25187—Transmission of signals, medium, ultrasonic, radio
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/25—Pc structure of the system
- G05B2219/25232—DCS, distributed control system, decentralised control unit
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/26—Pc applications
- G05B2219/2615—Audio, video, tv, consumer electronics device
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
Abstract
A kind of frequency conversion driving conditions control intelligent monitor system, belongs to field of intelligent monitoring, it is characterised in that: acquisition system includes data collection system and video acquisition system；Monitoring server includes data monitoring server and video monitoring server；Video acquisition system is connected with video monitoring server；Slave computer is provided under data monitoring server and video monitoring server；Data monitoring server is connected with alarm system.Utilize SCALANCEW radio network technique, it is realized in relatively uniform control room and the Centralized Monitoring of multiple homogeneous systems is operated, it monitors and manages conducive to level of factory, reach resource-sharing, automatization level improves, and then realize that all monitoring provides condition, while also reducing the maintenance work intensity of personnel；Standby redundancy quantity is greatly reduced, resource distribution is optimized, reduces maintenance cost, reduces product cost, improves job-shop automation control and management level, improves the economy of steel mill's operation.
Description
Technical field
The invention belongs to field of intelligent monitoring more particularly to a kind of frequency conversion driving conditions control intelligent monitor system and monitoring
Method.
Background technique
In steelshop in steel mill, the large scale equipment that should be used is more, and electromagnetic environment is complicated；In a steel mill
Multiple workshops in have more full frequency control drivings, the multiple sons of entire acquisition system point are across and driving a vehicle and transport as dynamic
Row equipment, WiFi or data radio station etc. difficult to its process control and equipment real-time running state progress Centralized Monitoring
Wireless network is influenced by complicated and forceful electric power magnetic environment in steel mill workshop, communicates unstable, the limit for bandwidth of experiencing certainly in addition
System, application value is not high, to realize that wireless process real time monitoring is almost impossible.
Summary of the invention
Present invention seek to address that the above problem provides one kind in opposite system while maintaining original control device distribution
Realized in one control room the Centralized Monitoring operation to multiple homogeneous systems frequency conversion driving conditions control intelligent monitor system and
Monitoring method.
Frequency conversion driving conditions of the present invention control intelligent monitor system, including sequentially connected acquisition system, monitoring clothes
Business device and alarm system；The acquisition system includes data collection system and video acquisition system；The monitoring server includes
Data monitoring server and video monitoring server；The data collection system is connected with data monitoring server；The view
Frequency acquisition system is connected with video monitoring server；It is provided under the data monitoring server and video monitoring server
Slave computer；The data monitoring server is connected with alarm system.
Frequency conversion driving conditions of the present invention control intelligent monitor system, and the data collection system includes that data acquisition is set
Standby, wireless telecommunications system and interchanger；The data acquisition equipment and interchanger are connected by cable with wireless telecommunications system
It connects.
Frequency conversion driving conditions of the present invention control intelligent monitor system, and the video acquisition system includes that video acquisition is set
Standby, wireless telecommunications system and interchanger；The video capture device and interchanger are connected by cable with wireless telecommunications system
It connects.
Frequency conversion driving conditions of the present invention control intelligent monitor system, and the wireless telecommunications system includes wireless signal hair
Sending end and reception of wireless signals end；The wireless signal transmitting terminal acquires equipment with aforementioned data respectively by cable and video is adopted
Collection equipment is connected；The reception of wireless signals end is connected with aforementioned interchanger；The wireless signal transmitting terminal and wireless communication
Number receiving end is connected by wireless signal.
Frequency conversion driving conditions of the present invention control intelligent monitor system, and the interchanger is photoelectricity interchanger；The light
Electric interchanger is connected with aforementioned data monitoring server and video monitoring server by cable respectively.
Frequency conversion driving conditions of the present invention control intelligent monitor system, the data acquisition equipment include sensor and/or
PLC device.
Frequency conversion driving conditions of the present invention control intelligent monitor system, and the wireless telecommunications system uses SCALANCEW
Equipment.
Frequency conversion driving conditions of the present invention control intelligent monitor system, and the SCALANCEW equipment uses W788 model.
The monitoring method of frequency conversion driving conditions control intelligent monitor system of the present invention,
The data parameters that frequency conversion driving is obtained by data acquisition equipment, pass through cable transmission to wireless signal transmitting terminal；Wirelessly
Signal sending end is sent to reception of wireless signals end by wireless signal；
Reception of wireless signals end is transmitted to the analysis processing that data monitoring server carries out data-signal through interchanger by cable
And pass through coupled slave computer response display information and feedback query information；Through analysis, treated that result reaches data
In monitoring server when preset alarming value, data monitoring server sends alarm signal to alarm system and alarms；
The video signal that frequency conversion driving is obtained by video capture device, passes through cable transmission to wireless signal transmitting terminal；
Wireless signal transmitting terminal is sent to reception of wireless signals end by wireless signal；
Reception of wireless signals end is transmitted to the analysis processing that video monitoring server carries out vision signal through interchanger by cable
And pass through coupled slave computer response display information and feedback query information.
Frequency conversion driving conditions control intelligent monitor system of the present invention and monitoring method, utilize SCALANCEW wireless network skill
Subsystem independent is connected networking, while maintaining original control device distribution, in relatively uniform control room by art
Interior realize operates the Centralized Monitoring of multiple homogeneous systems, greatly improves the automated production level of full factory, is conducive to level of factory prison
Control and management, reach resource-sharing, merge and reduce or cancel local operation monitoring point, and automatization level improves, and then realize complete
Portion's monitoring provides condition, while also reducing the maintenance work intensity of personnel；Standby redundancy quantity is greatly reduced, is optimized
Resource distribution reduces maintenance cost, reduces product cost, rationally effectively raises the level of control system, improves
Job-shop automation control and management level, improve the economy of steel mill's operation.
Detailed description of the invention
Fig. 1 is data collection system structural schematic diagram of the present invention；
Fig. 2 is video acquisition system structural schematic diagram of the present invention；
Fig. 3 is that the present invention implements the two wireless telecommunications system setting structure schematic diagrames.
Specific embodiment
Intelligent monitor system and monitoring side are controlled to frequency conversion driving conditions of the present invention with reference to the accompanying drawings and embodiments
Method is described in detail.
Embodiment one
Frequency conversion driving conditions of the present invention control intelligent monitor system, as shown in Figure 1 and Figure 2, including sequentially connected acquisition system
System, monitoring server and alarm system；The acquisition system includes data collection system and video acquisition system；The monitoring clothes
Business device includes data monitoring server and video monitoring server；The data collection system is connected with data monitoring server
It connects；The video acquisition system is connected with video monitoring server；The data monitoring server and video monitoring server
Under be provided with slave computer；The data monitoring server is connected with alarm system.The data collection system includes data
Acquire equipment, wireless telecommunications system and interchanger；The data acquisition equipment and interchanger and wireless telecommunications system pass through electricity
Cable is connected.The video acquisition system includes video capture device, wireless telecommunications system and interchanger；The video acquisition is set
Standby and interchanger is connected by cable with wireless telecommunications system.
Frequency conversion driving conditions of the present invention control intelligent monitor system, and the wireless telecommunications system includes wireless signal hair
Sending end and reception of wireless signals end；The wireless signal transmitting terminal acquires equipment with aforementioned data respectively by cable and video is adopted
Collection equipment is connected；The reception of wireless signals end is connected with aforementioned interchanger；The wireless signal transmitting terminal and wireless communication
Number receiving end is connected by wireless signal.
Frequency conversion driving conditions of the present invention control intelligent monitor system, and the interchanger is photoelectricity interchanger；The light
Electric interchanger is connected with aforementioned data monitoring server and video monitoring server by cable respectively.
Frequency conversion driving conditions of the present invention control intelligent monitor system, the data acquisition equipment include sensor and/or
PLC device.The wireless telecommunications system uses SCALANCEW equipment.The SCALANCEW equipment uses in the present embodiment
W788 model.
The monitoring method of frequency conversion driving conditions control intelligent monitor system of the present invention, is obtained by data acquisition equipment
The data parameters of frequency conversion driving, pass through cable transmission to wireless signal transmitting terminal；Wireless signal transmitting terminal is sent out by wireless signal
It send to reception of wireless signals end；
Reception of wireless signals end is transmitted to the analysis processing that data monitoring server carries out data-signal through interchanger by cable
And pass through coupled slave computer response display information and feedback query information；Through analysis, treated that result reaches data
In monitoring server when preset alarming value, data monitoring server sends alarm signal to alarm system and alarms；
The video signal that frequency conversion driving is obtained by video capture device, passes through cable transmission to wireless signal transmitting terminal；
Wireless signal transmitting terminal is sent to reception of wireless signals end by wireless signal；
Reception of wireless signals end is transmitted to the analysis processing that video monitoring server carries out vision signal through interchanger by cable
And pass through coupled slave computer response display information and feedback query information.
Embodiment two
On the basis of example 1, the steel mill in the present embodiment is 17 full frequency control drivings, entire acquisition system point
For 7 sons across, make steel legacy system to stokehold 9# and 10# as shown in figure 3, distinguishing according to position and being then divided into 7 acquisition substations i.e. (1),
The driving of transition 5# carries out data and video acquisition；(2) steel slag across acquisition system to steel slag across 1# and 2# driving carry out data and
Video acquisition；(3) molten iron, which receives to receive molten iron across acquisition system, carries out data and video acquisition across 1# and 2# driving；(4) add
Material drives a vehicle to charging across 1#, 2#, 3#, 4# across acquisition system and carries out data and video acquisition；(5) molten steel transhipment is across acquisition system pair
Molten steel transhipment carries out data and video acquisition across 1# and 2# driving；(6) casting bay acquisition system to casting bay 1# and 2# drive a vehicle into
Row data and video acquisition；(7) ejection carries out data and video acquisition across 1# and 2# driving to ejection across acquisition system；Utilize elder generation
Into SCALANCEW radio network technique and the OPC communication technology, by subsystem independent connect networking, maintain it is original
While controlling device distribution, realized in relatively uniform control room and the Centralized Monitorings of multiple homogeneous systems operated, just at
For factory improve controlled level developing direction and realization increase efficiency by downsizing payrolls target important means and factory eliminate automation
" isolated island " phenomenon, realizes the premise and basis of control integration.Based under Rockwell Automation ControlLogix control
Each master control system greatly improves the automated production level of full factory, is conducive to level of factory monitoring and MIS management, has been truly realized dispersion
Control centralized management.It plays a good role for the personnel reduction and enlargement of steel mill, reduction equipment failure rate, due to all thermoacoustic prime engines
System uses integrated design, is truly realized workshop level centralized watch and control, reaches resource-sharing, merges and reduces or cancel
Local operation monitoring point, automatization level improve, and then realize that all monitoring provides condition, can not for maintenance personnel
With learning and grasping various control system, avoids the miscellaneous situation without essence and occur, while reducing training cost, also reduce
The maintenance work intensity of personnel；Standby redundancy quantity is greatly reduced, resource distribution is optimized, reduces maintenance cost, is reduced
Product cost, rationally effectively raises the level of control system, improves job-shop automation control and management level, improves
The economy of steel mill's operation.
The example that above-described embodiment gives a limited range is described in detail the present invention, and it cannot be said that this hair
Bright embodiment is only limitted to this, for those of ordinary skill in the art to which the present invention belongs, all smart according to the present invention
Any simple modification and equivalent structure transformation or modification, it is true to belong to claims that the present invention is submitted made by refreshing essence
Fixed protection scope.
Claims (9)
1. a kind of frequency conversion driving conditions control intelligent monitor system, it is characterised in that: including sequentially connected acquisition system, monitoring
Server and alarm system；The acquisition system includes data collection system and video acquisition system；The monitoring server packet
Include data monitoring server and video monitoring server；The data collection system is connected with data monitoring server；It is described
Video acquisition system is connected with video monitoring server；It is respectively provided under the data monitoring server and video monitoring server
There is slave computer；The data monitoring server is connected with alarm system.
2. frequency conversion driving conditions control intelligent monitor system according to claim 1, it is characterised in that: data acquisition system
System includes data acquisition equipment, wireless telecommunications system and interchanger；The data acquisition equipment and interchanger are set with wireless telecommunications
It is standby to be connected by cable.
3. frequency conversion driving conditions according to claim 1 or claim 2 control intelligent monitor system, it is characterised in that: the video is adopted
Collecting system includes video capture device, wireless telecommunications system and interchanger；The video capture device and interchanger and channel radio
News equipment is connected by cable.
4. frequency conversion driving conditions control intelligent monitor system according to claim 3, it is characterised in that: the wireless telecommunications are set
Standby includes wireless signal transmitting terminal and reception of wireless signals end；The wireless signal transmitting terminal by cable respectively with aforementioned data
Acquisition equipment is connected with video capture device；The reception of wireless signals end is connected with aforementioned interchanger；The wireless communication
Number transmitting terminal is connected with reception of wireless signals end by wireless signal.
5. frequency conversion driving conditions control intelligent monitor system according to claim 4, it is characterised in that: the interchanger is light
Electric interchanger；The photoelectricity interchanger is connected with aforementioned data monitoring server and video monitoring server by cable respectively
It connects.
6. frequency conversion driving conditions control intelligent monitor system according to claim 5, it is characterised in that: the data acquisition is set
Standby includes sensor and/or PLC device.
7. frequency conversion driving conditions control intelligent monitor system according to claim 6, it is characterised in that: the wireless telecommunications are set
It is standby to use SCALANCEW equipment.
8. frequency conversion driving conditions control intelligent monitor system according to claim 7, it is characterised in that: described
SCALANCEW equipment uses W788 model.
9. a kind of monitoring method of the control of frequency conversion driving conditions according to claim 5 intelligent monitor system, it is characterised in that:
The data parameters that frequency conversion driving is obtained by data acquisition equipment, pass through cable transmission to wireless signal transmitting terminal；Wirelessly
Signal sending end is sent to reception of wireless signals end by wireless signal；
Reception of wireless signals end is transmitted to the analysis processing that data monitoring server carries out data-signal through interchanger by cable
And pass through coupled slave computer response display information and feedback query information；Through analysis, treated that result reaches data
In monitoring server when preset alarming value, data monitoring server sends alarm signal to alarm system and alarms；
The video signal that frequency conversion driving is obtained by video capture device, passes through cable transmission to wireless signal transmitting terminal；
Wireless signal transmitting terminal is sent to reception of wireless signals end by wireless signal；
Reception of wireless signals end is transmitted to the analysis processing that video monitoring server carries out vision signal through interchanger by cable
And pass through coupled slave computer response display information and feedback query information.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811168446.XA CN109144012A (en) | 2018-10-08 | 2018-10-08 | A kind of frequency conversion driving conditions control intelligent monitor system and monitoring method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811168446.XA CN109144012A (en) | 2018-10-08 | 2018-10-08 | A kind of frequency conversion driving conditions control intelligent monitor system and monitoring method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109144012A true CN109144012A (en) | 2019-01-04 |
Family
ID=64810459
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811168446.XA Pending CN109144012A (en) | 2018-10-08 | 2018-10-08 | A kind of frequency conversion driving conditions control intelligent monitor system and monitoring method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109144012A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101083583A (en) * | 2007-06-25 | 2007-12-05 | 武汉虹信通信技术有限责任公司 | WLAN technique based rail train real-time video monitoring system |
| JP2011151749A (en) * | 2010-01-25 | 2011-08-04 | Mitsubishi Heavy Ind Ltd | Communication system |
| CN204548111U (en) * | 2015-03-31 | 2015-08-12 | 鞍山通奇工程技术有限公司 | Molten iron tractor truck is to level controlling system |
| CN104918001A (en) * | 2014-03-12 | 2015-09-16 | 上海届远信息技术有限公司 | Steelmaking bogie monitoring system |
| CN205540218U (en) * | 2015-12-23 | 2016-08-31 | 湖北仁威电业科技有限公司 | Equipment operation and maintenance management system suitable for industrial enterprise |
| CN206970035U (en) * | 2017-04-14 | 2018-02-06 | 新兴铸管股份有限公司 | A kind of overhead traveling crane Control ＆ data acquisition system |
-
2018
- 2018-10-08 CN CN201811168446.XA patent/CN109144012A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101083583A (en) * | 2007-06-25 | 2007-12-05 | 武汉虹信通信技术有限责任公司 | WLAN technique based rail train real-time video monitoring system |
| JP2011151749A (en) * | 2010-01-25 | 2011-08-04 | Mitsubishi Heavy Ind Ltd | Communication system |
| CN104918001A (en) * | 2014-03-12 | 2015-09-16 | 上海届远信息技术有限公司 | Steelmaking bogie monitoring system |
| CN204548111U (en) * | 2015-03-31 | 2015-08-12 | 鞍山通奇工程技术有限公司 | Molten iron tractor truck is to level controlling system |
| CN205540218U (en) * | 2015-12-23 | 2016-08-31 | 湖北仁威电业科技有限公司 | Equipment operation and maintenance management system suitable for industrial enterprise |
| CN206970035U (en) * | 2017-04-14 | 2018-02-06 | 新兴铸管股份有限公司 | A kind of overhead traveling crane Control ＆ data acquisition system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103964268B (en) | Realize elevator cloud system that producer is responsible for all the life to elevator and elevator fortune control method | |
| CN202735816U (en) | Mine-used spray sensor and mine-used spray dust-settling monitoring system | |
| CN214337647U (en) | Online intelligent inspection system of transformer substation | |
| CN105425709A (en) | Remote monitoring and management system of ball mills based on wireless access into Internet and equipment of same | |
| CN207408770U (en) | General Internet of Things centralized monitoring system | |
| CN106292672A (en) | A kind of multi-platform control crusing robot | |
| CN202967782U (en) | Elevator remote real-time monitoring device | |
| CN113612494A (en) | Intelligent scheduling system for interphone and scheduling method thereof | |
| CN109144012A (en) | A kind of frequency conversion driving conditions control intelligent monitor system and monitoring method | |
| CN107483629A (en) | A kind of high in the clouds monitoring method and its system based on industrial large-sized equipment non-intruding | |
| CN110390811A (en) | A kind of crane swarm intelligence storage communication system | |
| CN203405933U (en) | Intelligent monitoring system | |
| CN205791803U (en) | A kind of intelligent wireless distribution monitor instrument | |
| CN210323242U (en) | Power transmission line monitoring device and system | |
| CN204925767U (en) | Remote intelligent monitored control system of transformer substation | |
| CN209912129U (en) | Dust explosion-proof remote monitoring system applied to multiple dust collectors | |
| CN203933663U (en) | A kind of intelligent substation patrol positioning acquisition system | |
| CN210958560U (en) | Coaxial power supply video transmitter | |
| CN207689905U (en) | A kind of mobile managing and control system of power plant safety in production | |
| CN102880124A (en) | System and method for monitoring controller data and excavating machine | |
| CN203038341U (en) | Remote access control system of unattended substation | |
| CN207460242U (en) | Intelligent electric meter with communication function | |
| CN206251132U (en) | Intelligent low power consuming devices control device and Control management system | |
| CN110676935A (en) | System and method for closed-loop operation of intelligent operation and maintenance of transformer substation | |
| CN214795637U (en) | Farmland operation remote monitoring platform of accurate location |
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 |
Application publication date: 20190104 |
|
| RJ01 | Rejection of invention patent application after publication |