CN109117338A - A kind of high-tension apparatus on-line monitoring identification method of sensor, system and acquisition unit - Google Patents
A kind of high-tension apparatus on-line monitoring identification method of sensor, system and acquisition unit Download PDFInfo
- Publication number
- CN109117338A CN109117338A CN201710481605.0A CN201710481605A CN109117338A CN 109117338 A CN109117338 A CN 109117338A CN 201710481605 A CN201710481605 A CN 201710481605A CN 109117338 A CN109117338 A CN 109117338A
- Authority
- CN
- China
- Prior art keywords
- port
- sensor
- acquisition unit
- configuration information
- acquisition
- 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
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/30—Monitoring
- G06F11/3089—Monitoring arrangements determined by the means or processing involved in sensing the monitored data, e.g. interfaces, connectors, sensors, probes, agents
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/40—Bus networks
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/02—Protocol performance
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Theoretical Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Quality & Reliability (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The present invention provides a kind of high-tension apparatuses to monitor identification method of sensor on-line, system and acquisition unit, including acquisition unit and monitoring unit, acquisition unit includes at least one acquisition port, first enable port, first FT3 communications protocol port and memory, monitoring unit includes the second enable port and the 2nd FT3 communications protocol port, acquisition unit is used to acquire and the configuration information of storage sensor is into memory, when monitoring unit detects that the first enable port is connected to the second enable port, sensor configuration information identification request is sent to acquisition unit by the 2nd FT3 communications protocol port, monitoring unit receives and parses through the sensor configuration information of acquisition unit transmission, achieve the purpose that sensor automatic identification and has automatically configured, greatly reduce the workload to sensor configuration and the workload of maintenance , achieved the purpose that sensor automatic identification and automatically configured, greatly reduced the workload to sensor configuration and the workload of maintenance.
Description
Technical field
The invention belongs to substation's on-line monitoring technique field, in particular to a kind of high-tension apparatus on-line monitoring sensor is known
Other method, system and acquisition unit.
Background technique
High voltage electric equipment has very important status in power grid, if its insulated part defect or deterioration, it will
The insulation fault or accident of influence equipment and electric power netting safe running occurs.Therefore, after equipment investment operation, traditional way is
Periodical power failure carries out preventive trial and maintenance, to detect the insulation defect inside equipment in time, to prevent to insulate
Accident, traditional high-voltage isulation preventive trial, to guarantee that the safe operation of China's electric system has played important function, and
It will continue to play a role, but as the raising of electric system voltage rating, the increase of place capacity, structure are numerous in variety and multiple
Hydridization relied primarily on periodically originally as industry, agricultural production and various electricity consumption departments are higher and higher to Supply Security requirement
The method that insulation preventive trial is carried out after power failure has seemed more and more inadaptable, is not able to satisfy the requirement of power grid high reliability.
Currently, be support with " shifting of great Yun object " modern information technologies, have self and environment sensing, active predicting early warning,
The intelligence fortune specimen system of auxiliary diagnosis decision and intensive fortune inspection control function is just among construction like a raging fire.An intelligence fortune specimen
The construction of system aim to solve the problem that tradition fortune inspection mode acquisition of information, in terms of quagmire, General Promotion equipment state
Sensing capability improves fortune inspection efficiency and benefit.Important component of the high-tension apparatus on-line monitoring as intelligence fortune specimen system, can
The carry out state of comprehensive monitoring high-tension apparatus provides Equipment Foundations data, core index to Operation and Maintenance Center in real time, is network optimization
Operation provides foundation.Currently, the relevant parameter index of high-tension apparatus is substantially and is obtained by the sensor being mounted thereon, and press
Data receiver is transferred to according to certain communication protocol.Sensor is that (such as temperature, concentration, pressure add by various types of physical quantitys
Speed etc.) equipment that is converted into electric signal, for the comprehensive and reliability for guaranteeing high-tension apparatus monitoring data, need it is a large amount of,
A plurality of types of sensors go to complete data acquisition work, and the communications protocol that different sensors use in addition is not quite similar, this is just
Configuration, the maintenance workload for causing sensor are huge.
Summary of the invention
The purpose of the present invention is to provide a kind of high-tension apparatus on-line monitoring identification method of sensor, system and acquisition are single
Member cannot effectively identify the configuration for causing sensor, maintenance for solving to the sensor of high pressure monitoring device in the prior art
The problem of heavy workload.
To achieve the above object, the technical scheme is that
A kind of high-tension apparatus on-line monitoring sensor identifying system, including acquisition unit and monitoring unit, the acquisition are single
Member includes at least one acquisition port, the first enable port, the first FT3 communications protocol port and memory, the monitoring unit
Including the second enable port and the 2nd FT3 communications protocol port, the acquisition port is for being correspondingly connected with sensor, the acquisition
First enable port of unit is connect with the second enable port of the monitoring unit, the first FT3 communication of the acquisition unit
Protocol port is connect with the 2nd FT3 communications protocol port of the monitoring unit；
The acquisition unit is used for the configuration information by acquisition each sensor of port processing, and stores and arrive acquisition unit
In memory；And for being communicated by the first FT3 after receiving the sensor configuration information identification request of monitoring unit transmission
Protocol port sends the configuration information of sensor to monitoring unit；
The monitoring unit by the 2nd FT3 for being led to when detecting that the first enable port is connected to the second enable port
It interrogates protocol port and sends sensor configuration information identification request to the acquisition unit, receive and parse through the base of acquisition unit transmission
In the sensor configuration information of FT3 agreement, the identification to sensor is completed.
Further, the sensor configuration information includes manufacturer's information, version information, the measurement range, electricity of sensor
Gas output area, power requirement, physical unit and self-test information data.
Further, first communications protocol port and the second PORT COM are two-way communication protocol ports.
Further, the acquisition port includes the port RS485, CAN bus port and FT3 communication protocol port.
The present invention also provides a kind of high-tension apparatuses to monitor identification method of sensor on-line, includes the following steps:
1) by acquisition unit by the configuration information of acquisition each sensor of port processing, and the storage for arriving acquisition unit is stored
In device；
2) when monitoring unit detects that the first enable port of acquisition unit is connected to the second enable port of monitoring unit,
Then monitoring unit sends sensor configuration information identification request to the acquisition unit；
3) acquisition unit receives identification request, is sent and is passed to monitoring unit by the first FT3 communications protocol port
The configuration information of sensor；
4) monitoring unit receives and parses through the sensor configuration information that the acquisition unit is sent, and completes to sensor
Identification.
Further, the sensor configuration information includes manufacturer's information, version information, the measurement range, electricity of sensor
Gas output area, power requirement, physical unit and self-test information.
The present invention also provides a kind of acquisition unit, the acquisition unit includes at least one acquisition port, first enabled
First enable port of port, the first FT3 communications protocol port and memory, the acquisition unit is used for and the monitoring unit
The connection of the second enable port, the first FT3 communications protocol interface of the acquisition unit is for second with the monitoring unit
The connection of FT3 communications protocol port；
The acquisition unit is used for the configuration information by acquisition each sensor of port processing, and stores and arrive acquisition unit
In memory；And for being communicated by the first FT3 after receiving the sensor configuration information identification request of monitoring unit transmission
Protocol port sends the configuration information of sensor to monitoring unit.
Further, the sensor configuration information includes manufacturer's information, version information, the measurement range, electricity of sensor
Gas output area, power requirement, physical unit and self-test information.
Further, the acquisition port includes the port RS485, CAN bus port and FT3 communication protocol port.
The beneficial effects of the present invention are:
High-tension apparatus provided by the invention on-line monitoring sensor identifying system includes acquisition unit and monitoring unit,
In, acquisition unit includes at least one acquisition port, the first enable port, the first FT3 communications protocol port and memory, monitoring
Unit includes the second enable port and the 2nd FT3 communications protocol port, and acquisition unit is used to respectively sense by acquiring port processing
The configuration information of device, and store into the memory of acquisition unit；And for matching in the sensor for receiving monitoring unit transmission
After confidence breath identification request, the configuration information of sensor is sent to monitoring unit by the first FT3 communications protocol port；Monitoring is single
When member is for detecting that the first enable port is connected to the second enable port, by the 2nd FT3 communications protocol port to the acquisition
Unit sends sensor configuration information identification request, and the sensor based on FT3 agreement for receiving and parsing through acquisition unit transmission is matched
Confidence breath, completes the identification to sensor.Invention achieves to sensor automatic identification and the purpose that automatically configures, greatly
Reduce the workload to sensor configuration and the workload of maintenance.
Detailed description of the invention
Fig. 1 is the automatic identifying method flow chart that high-tension apparatus monitors sensor on-line；
Fig. 2 is the block diagram for the acquisition unit that high-tension apparatus monitors sensor automatic identification on-line；
Fig. 3 is the automatic recognition system block diagram that high-tension apparatus monitors sensor on-line；
Fig. 4 is the automatic recognition system block diagram that another high-tension apparatus of the invention monitors sensor on-line.
Specific embodiment
A specific embodiment of the invention is further described with reference to the accompanying drawing:
A kind of high-tension apparatus on-line monitoring sensor identifying system, as shown in figure 3, including acquisition unit and monitoring unit,
Wherein, acquisition unit includes at least one acquisition port, the first enable port, the first FT3 communications protocol port and memory, is somebody's turn to do
Memory includes electronic data sheet, and monitoring unit includes the second enable port and the 2nd FT3 communications protocol port, acquires port
Connection sensor is sampled for corresponding, which is in the port RS485, CAN bus port or FT3 communication protocol port
Any one.First enable port of acquisition unit and the second enable port of monitoring unit connect, the first FT3 of acquisition unit
Communications protocol port and the 2nd FT3 communications protocol port of monitoring unit connect, wherein due to FT3 communications protocol port and its
Show as only sending out the form that do not receive when the interaction of his equipment, thus the first communications protocol port of the invention and the second PORT COM it
Between be two connections, to form both-way communication.It and is the connection relationship of plug and play between acquisition unit and monitoring unit.
Acquisition unit of the invention includes at least an acquisition port, and each acquisition port is correspondingly connected with a sensor,
Certainly, as other embodiments, acquisition unit can only include an acquisition port, as shown in figure 4, the acquisition port is corresponding
Connect a sensor, but very waste of resource in this way, in order to which the acquisition unit that save the cost the present embodiment uses includes at least
One acquisition port, as shown in figure 3, the acquisition port of the present embodiment includes the port RS485, CAN bus port and FT3 communication protocols
Discuss port.
The communications protocol that the first communications protocol port and the second communications protocol port of the present embodiment use is communicated for FT3 and is assisted
View can also be using other communications protocol modes as other embodiments.
Above-mentioned first communications protocol port and the second communications protocol port are based on FT3 protocol format and make by oneself to data
Adopted framing/decoding and interaction, that is, be based on FT3 communication protocol requirements, and self-defining data content frame completes the logical of electronic data sheet
Message framing is interrogated, monitoring unit completes the parsing of communication packet, achievees the purpose that communication interaction.
Acquisition unit of the invention include a memory, and in memory storage specification electronic data sheet, it is complete
It is described at the function of sensor, electronic data sheet is the necessary condition for making sensor reach identification, and existence form is description
Class document, electronic data sheet include being described for sensor function, and content includes: manufacturer's information, version information, measurement
The electronic data sheet configuration of range, electrical output area, power requirement, physical unit, self-test information etc., coding module is retouched
It states, as shown in table 1:
Coding module electronic data sheet allocation list of the table 1 based on FT3 communications protocol
Knowledge method for distinguishing is carried out to sensor using high-tension apparatus on-line monitoring sensor identifying system of the invention, including
Following steps, specifically as shown in Figure 1:
1) acquisition unit passes through the configuration information for acquiring each sensor of port processing first, when the sensor is intelligent sensing
When device, acquisition unit directly acquires the configuration information of sensor and stores into the electronic data sheet of memory, when the sensing
Device is ordinary sensors, then in the electronic data sheet by manually the configuration information of sensor being write acquisition unit memory；
Then the enabled judgement of sensor access is completed in the first enable port of acquisition unit and the cooperation of the second enable port of monitoring unit,
The on off operating mode that the first enable port is detected by monitoring unit, when the first enable port state that detects is connected state, table
It is bright to have sensor access.
2) whether the first enable port of monitoring unit detection acquisition unit is connected to the second enable port of monitoring unit,
If connection, monitoring unit sends sensor configuration information identification request to acquisition unit by the 2nd FT3 communications protocol port.
3) acquisition unit sends the configuration information of sensor by the first FT3 communications protocol port to monitoring unit.
4) monitoring unit receives and parses through the sensor configuration information of acquisition unit transmission, completes the knowledge to each sensor
Not.
The present invention also provides a kind of acquisition unit, which is that above-mentioned high-tension apparatus on-line monitoring sensor is known
Acquisition unit in other system, the acquisition unit include at least one acquisition port, the first enable port, the first FT3 communication association
Port and memory are discussed, memory is used for the configuration information of storage sensor, and the first enable port of acquisition unit is used for and prison
The second enable port connection of unit is surveyed, the first FT3 communications protocol interface of acquisition unit is for the 2nd FT3 with monitoring unit
The connection of communications protocol port；Acquisition unit is used for the configuration information by acquisition each sensor of port processing, and stores to acquisition
In the memory of unit；And for passing through first after receiving the sensor configuration information identification request of monitoring unit transmission
FT3 communications protocol port sends the configuration information of sensor to monitoring unit, and can be realized acquisition unit and monitoring unit
Between plug and play.
Specific embodiment is presented above, but the present invention is not limited to embodiment described above.The present invention
Basic ideas be above-mentioned basic scheme, for those of ordinary skill in the art, introduction according to the present invention is designed each
The model of kind deformation, formula, parameter do not need to spend creative work.The case where not departing from the principle and spirit of the invention
Under to embodiment carry out change, modification, replacement and modification still fall in protection scope of the present invention.
Claims (9)
1. a kind of high-tension apparatus monitors sensor identifying system, including acquisition unit and monitoring unit on-line, which is characterized in that institute
Stating acquisition unit includes that at least one acquires port, the first enable port, the first FT3 communications protocol port and memory, described
Monitoring unit includes the second enable port and the 2nd FT3 communications protocol port, and the acquisition port is used to be correspondingly connected with sensor,
First enable port of the acquisition unit is connect with the second enable port of the monitoring unit, and the first of the acquisition unit
FT3 communications protocol port is connect with the 2nd FT3 communications protocol port of the monitoring unit；
The acquisition unit is used for the configuration information by acquisition each sensor of port processing, and stores the storage for arriving acquisition unit
In device；And for passing through the first FT3 communications protocol after receiving the sensor configuration information identification request of monitoring unit transmission
Port sends the configuration information of sensor to monitoring unit；
The monitoring unit by the 2nd FT3 for being communicated and being assisted when detecting that the first enable port is connected to the second enable port
Discuss port to the acquisition unit send sensor configuration information identification request, receive and parse through acquisition unit transmission based on
The sensor configuration information of FT3 agreement completes the identification to sensor.
2. high-tension apparatus according to claim 1 monitors sensor identifying system on-line, which is characterized in that the sensor
Configuration information includes manufacturer's information, version information, measurement range, the electrical output area, power requirement, physical unit of sensor
And the data of self-test information.
3. high-tension apparatus according to claim 1 monitors sensor identifying system on-line, which is characterized in that described first is logical
It interrogates protocol port and the second PORT COM is two-way communication protocol port.
4. high-tension apparatus according to claim 3 monitors sensor identifying system on-line, which is characterized in that the collection terminal
Mouth includes the port RS485, CAN bus port and FT3 communication protocol port.
5. a kind of high-tension apparatus monitors identification method of sensor on-line, which comprises the steps of:
1) by acquisition unit by the configuration information of acquisition each sensor of port processing, and the memory for arriving acquisition unit is stored
In；
2) it when monitoring unit detects that the first enable port of acquisition unit is connected to the second enable port of monitoring unit, then supervises
It surveys unit and sends sensor configuration information identification request to the acquisition unit；
3) acquisition unit receives identification request, sends sensor to monitoring unit by the first FT3 communications protocol port
Configuration information；
4) monitoring unit receives and parses through the sensor configuration information that the acquisition unit is sent, and completes the knowledge to sensor
Not.
6. high-tension apparatus according to claim 5 monitors identification method of sensor on-line, which is characterized in that the sensor
Configuration information includes manufacturer's information, version information, measurement range, the electrical output area, power requirement, physical unit of sensor
And self-test information.
7. a kind of acquisition unit, which is characterized in that the acquisition unit include at least one acquisition port, the first enable port,
First FT3 communications protocol port and memory, the memory are used for the configuration information of storage sensor, the acquisition unit
For connecting with the second enable port of the monitoring unit, the first FT3 of the acquisition unit communicates association for first enable port
View interface with the 2nd FT3 communications protocol port of the monitoring unit for connecting；
The acquisition unit is used for the configuration information by acquisition each sensor of port processing, and stores the storage for arriving acquisition unit
In device；And for passing through the first FT3 communications protocol after receiving the sensor configuration information identification request of monitoring unit transmission
Port sends the configuration information of sensor to monitoring unit.
8. acquisition unit according to claim 7, which is characterized in that the sensor configuration information includes the factory of sensor
Quotient's information, version information, measurement range, electrical output area, power requirement, physical unit and self-test information.
9. acquisition unit according to claim 7, which is characterized in that the acquisition port includes the port RS485, CAN total
Line end mouth and FT3 communication protocol port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710481605.0A CN109117338A (en) | 2017-06-22 | 2017-06-22 | A kind of high-tension apparatus on-line monitoring identification method of sensor, system and acquisition unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710481605.0A CN109117338A (en) | 2017-06-22 | 2017-06-22 | A kind of high-tension apparatus on-line monitoring identification method of sensor, system and acquisition unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109117338A true CN109117338A (en) | 2019-01-01 |
Family
ID=64732751
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710481605.0A Pending CN109117338A (en) | 2017-06-22 | 2017-06-22 | A kind of high-tension apparatus on-line monitoring identification method of sensor, system and acquisition unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109117338A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101271616A (en) * | 2008-02-26 | 2008-09-24 | 中国人民解放军国防科学技术大学 | Wireless intelligence sensor node based on IEEE1451 standard |
| CN102291738A (en) * | 2011-08-11 | 2011-12-21 | 大连理工大学 | Data monitoring system based on wireless sensor network and gateway equipment thereof |
| CN103501291A (en) * | 2013-09-24 | 2014-01-08 | 上海汉乾信息科技发展有限公司 | Multi-protocol data collection system and method of various equipment sensors |
| CN104079567A (en) * | 2014-06-25 | 2014-10-01 | 深圳市汇川技术股份有限公司 | Protocol converter, protocol conversion method and elevator remote monitoring system |
| CN104597817A (en) * | 2015-01-12 | 2015-05-06 | 北京慧物科联科技有限公司 | Parallel acquisition system of multi-channel digital sensor |
| CN105571643A (en) * | 2016-01-18 | 2016-05-11 | 云南电网有限责任公司电力科学研究院 | Integrated general monitoring system for power transmission line |
| CN106154157A (en) * | 2016-09-30 | 2016-11-23 | 国网冀北电力有限公司电力科学研究院 | Adjustable surge load testing apparatus for electromagnetic relay |
| WO2017041560A1 (en) * | 2015-09-09 | 2017-03-16 | 中兴通讯股份有限公司 | Remote monitoring method, reader, monitoring terminal and sensor |
| CN106713389A (en) * | 2015-11-13 | 2017-05-24 | 深圳云联讯数据科技有限公司 | Monitoring method and system |
-
2017
- 2017-06-22 CN CN201710481605.0A patent/CN109117338A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101271616A (en) * | 2008-02-26 | 2008-09-24 | 中国人民解放军国防科学技术大学 | Wireless intelligence sensor node based on IEEE1451 standard |
| CN102291738A (en) * | 2011-08-11 | 2011-12-21 | 大连理工大学 | Data monitoring system based on wireless sensor network and gateway equipment thereof |
| CN103501291A (en) * | 2013-09-24 | 2014-01-08 | 上海汉乾信息科技发展有限公司 | Multi-protocol data collection system and method of various equipment sensors |
| CN104079567A (en) * | 2014-06-25 | 2014-10-01 | 深圳市汇川技术股份有限公司 | Protocol converter, protocol conversion method and elevator remote monitoring system |
| CN104597817A (en) * | 2015-01-12 | 2015-05-06 | 北京慧物科联科技有限公司 | Parallel acquisition system of multi-channel digital sensor |
| WO2017041560A1 (en) * | 2015-09-09 | 2017-03-16 | 中兴通讯股份有限公司 | Remote monitoring method, reader, monitoring terminal and sensor |
| CN106713389A (en) * | 2015-11-13 | 2017-05-24 | 深圳云联讯数据科技有限公司 | Monitoring method and system |
| CN105571643A (en) * | 2016-01-18 | 2016-05-11 | 云南电网有限责任公司电力科学研究院 | Integrated general monitoring system for power transmission line |
| CN106154157A (en) * | 2016-09-30 | 2016-11-23 | 国网冀北电力有限公司电力科学研究院 | Adjustable surge load testing apparatus for electromagnetic relay |
Non-Patent Citations (2)
| Title |
|---|
| 路光辉等: "一种基于FT3光纤通信的新型避雷器监测方案", 《电力系统保护与控制》 * |
| 路光辉等: "一种基于FT3光纤通信的新型避雷器监测方案", 《电力系统保护与控制》, no. 20, 16 October 2015 (2015-10-16), pages 119 - 124 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106355666A (en) | Power equipment inspection device based on RFID (Radio Frequency Identification Device) electronic tag | |
| CN205910817U (en) | SF6 gas density wireless long -distance monitoring and early warning system | |
| CN209787205U (en) | wisdom fire control monitored control system based on thing networking | |
| CN206178779U (en) | Computer hardware detection system | |
| CN204669086U (en) | Communication power supply monitoring data collection device and system thereof | |
| CN104579420A (en) | Testing method and system for PLC modems | |
| CN201508408U (en) | Intelligent device for wirelessly monitoring state of storage batteries used for direct current screen of transformer substation | |
| CN209525445U (en) | A kind of electrical energy measurement monitoring running state management system | |
| CN109120062A (en) | A kind of sampling unit of plug and play, intelligent GIS system and identification method of sensor | |
| CN106352916A (en) | Switch cabinet temperature online detection device | |
| CN103107931B (en) | Based on unblock formula communication means and the system of IEC104 stipulations | |
| CN204789798U (en) | Distribution lines operation condition monitoring device and monitoring system | |
| CN207753502U (en) | Automate main website novel maintenance monitoring system | |
| CN201859181U (en) | Remote water quality monitoring system | |
| CN206559397U (en) | Communications equipment room power and environment centralized supervision system | |
| CN204086416U (en) | A kind of electronic product detecting system | |
| CN109117338A (en) | A kind of high-tension apparatus on-line monitoring identification method of sensor, system and acquisition unit | |
| CN208723925U (en) | A kind of PROFINET on-Line Monitor Device | |
| CN105046908A (en) | Movable oil-gas monitoring data remote transmission system | |
| CN109861391A (en) | A kind of intelligent low-pressure comprehensive distribution box management system based on Internet of Things | |
| CN109765454A (en) | Wireless type cable duct cable intermediate joint device for monitoring running state | |
| CN211603415U (en) | Transformer substation operation and maintenance cable insulation monitoring system | |
| CN102478616A (en) | Intelligent overhead line failure alarm with self-adaptive function | |
| CN210518408U (en) | Communication access equipment | |
| CN207586327U (en) | High-voltage parallel capacitor on-line monitoring system |
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 |