CN210693560U - Electric power operation and maintenance digital acquisition system for power distribution management device - Google Patents

Electric power operation and maintenance digital acquisition system for power distribution management device Download PDF

Info

Publication number
CN210693560U
CN210693560U CN201921778216.5U CN201921778216U CN210693560U CN 210693560 U CN210693560 U CN 210693560U CN 201921778216 U CN201921778216 U CN 201921778216U CN 210693560 U CN210693560 U CN 210693560U
Authority
CN
China
Prior art keywords
digital acquisition
voltage
maintenance
acquisition server
management device
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201921778216.5U
Other languages
Chinese (zh)
Inventor
李猛
赵夺彪
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tianjin Zimuyuansheng Technology Co ltd
Original Assignee
Tianjin Zimuyuansheng Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Tianjin Zimuyuansheng Technology Co ltd filed Critical Tianjin Zimuyuansheng Technology Co ltd
Priority to CN201921778216.5U priority Critical patent/CN210693560U/en
Application granted granted Critical
Publication of CN210693560U publication Critical patent/CN210693560U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E40/00Technologies for an efficient electrical power generation, transmission or distribution
    • Y02E40/20Active power filtering [APF]
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • YGENERAL 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
    • Y04INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04SSYSTEMS 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
    • Y04S40/00Systems 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
    • Y04S40/12Systems 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
    • Y04S40/126Systems 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 provides an electric power fortune dimension digital acquisition system for distribution management device, includes the 10KV generating line, still includes high-voltage board and the first passive compensation cabinet of connection on the 10KV generating line, high-voltage board and first passive compensation cabinet are connected with fortune dimension digital acquisition server, still are connected with the transformer on the 10KV generating line, the transformer be connected with low-voltage board, second reactive compensation cabinet and active power filter, the low-voltage board be connected with the block terminal, the block terminal on install long-range fortune dimension module, fortune dimension digital acquisition server long-range wireless connection cloud platform, the cloud platform pass through GPRS communication wireless connection user's cell-phone terminal and computer, panel terminal. The utility model discloses in data transmission such as voltage to fortune dimension digital acquisition server that will record, wireless transmission to cloud platform after gathering, the cell-phone end and the computer terminal of issuing the user with data through the cloud platform is long-range again, reach the purpose of real time monitoring on-the-spot power equipment parameter.

Description

Electric power operation and maintenance digital acquisition system for power distribution management device
Technical Field
The utility model belongs to the technical field of the electric power distribution system technique and specifically relates to an electric power fortune dimension digital acquisition system for distribution management device.
Background
In recent years, electrical fires in China are frequent, and serious casualties and property loss are caused. According to statistics, 52.4 thousands of electric fires occur in China from 2011 to 2016, so that 3261 people die and 2063 people are injured, and the direct economic loss is more than 92 billion yuan, which accounts for more than 30% of the total fire and casualty loss in China; wherein the fire 17 from the very big electric fire accounts for 70% of the total number of the very big electric fires. In order to effectively restrain the high occurrence of the electrical fire and ensure the life and property safety of people, the State Council Anchorus 4-26.2017 issues 'notice on the development of comprehensive electrical fire treatment' and decides to organize the development of comprehensive electrical fire treatment for three years in the national range.
The electrical fire has attracted the high attention of the whole society and governments at all levels, the requirement of ' thirteen-five ' general planning of fire-fighting informatization ' comprehensively utilizes emerging information technologies such as the Internet of things, cloud computing, big data, mobile internet and the like, the construction of ' intelligent fire fighting ' is accelerated, the deep fusion of informatization and fire-fighting business work is comprehensively promoted, the social fire prevention and control capability is comprehensively promoted for constructing a three-dimensional and full-coverage social fire prevention and control system, and the transformation from ' traditional fire fighting ' to ' modern fire fighting ' is realized.
Therefore, in order to make modern household power consumption and factory power consumption safer, an intelligent fire-fighting power consumption system needs to be designed.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's not enough, provide an electric power fortune dimension digital acquisition system suitable for low voltage distribution cabinet's in the one-level switch board electric power index on-line monitoring.
The utility model provides a its technical problem take following technical scheme to realize:
the utility model provides an electric power fortune dimension digital acquisition system for distribution management device, includes the 10KV generating line, still includes high-voltage board and the first passive compensation cabinet of connection on the 10KV generating line, high-voltage board and first passive compensation cabinet be connected with fortune dimension digital acquisition server, the 10KV generating line on still be connected with the transformer, the transformer be connected with low-voltage board, second reactive compensation cabinet and active power filter, the low-voltage board be connected with the block terminal, the block terminal on install long-range fortune dimension module, long-range fortune dimension module connect fortune dimension digital acquisition server, fortune dimension digital acquisition server long-range wireless connection cloud platform, the cloud platform pass through GPRS communication wireless connection user's cell-phone terminal and computer, panel terminal.
The operation and maintenance digital acquisition server collects and gathers the voltage, frequency and other parameters of the low-voltage cabinet, the high-voltage cabinet, the reactive compensation cabinet and the active power filter and uploads the parameters to the cloud platform, and then the cloud platform sends data information to the mobile phone terminal of a user in real time, so that the purpose of remotely monitoring the power distribution system by the user is achieved.
Preferably, a reactive compensation collector is installed on the second reactive compensation cabinet, and the reactive compensation collector is in wireless connection with the operation and maintenance digital acquisition server.
And the reactive compensation collector collects compensation parameters of the second reactive compensation cabinet.
Preferably, the active power filter is provided with a harmonic collector, and the harmonic collector is in wireless connection with the operation and maintenance digital collection server.
And the harmonic collector collects the wavelength and frequency of the active power filter.
Preferably, the low-voltage cabinet on install the low-voltage distribution collector, low-voltage distribution collector wireless connection the operation and maintenance digital acquisition server.
The low-voltage distribution collector collects the voltage value of the low-voltage cabinet.
Preferably, the transformer is provided with a transformer state collector, and the transformer state collector is in wireless connection with the operation and maintenance digital acquisition server.
And the transformer state collector collects voltage parameters of the transformer.
Preferably, the high-voltage cabinet is provided with a wireless temperature measuring device, the first passive compensation cabinet is connected with a local detector, and the local detector and the wireless temperature measuring device are both connected with the operation and maintenance digital acquisition server.
Preferably, the wireless connection is a non-polar two-bus communication connection mode.
Through the communication mode of the non-polar two buses, the cost of monitoring and wiring of the power system can be reduced, and the anti-interference capability is improved.
Preferably, the remote operation and maintenance module comprises a voltage acquisition circuit, a port of an input end of the voltage acquisition circuit is connected with an output end of the distribution box, the voltage acquisition circuit is connected with a signal processing circuit, the signal processing circuit is connected with a data transmission circuit and an on-off control circuit, the on-off control circuit is connected with a main brake switch of the distribution box, and the data transmission circuit is connected with the operation and maintenance digital acquisition server.
The utility model has the advantages that:
1. the utility model discloses with the low-voltage cabinet, the high-voltage board, the reactive compensation cabinet, active power filter all connects on fortune dimension digital acquisition server, can be with the voltage that records, frequency, data transmission such as bandwidth to fortune dimension digital acquisition server in, wireless transmission to cloud platform after the gathering of fortune dimension digital acquisition server, send data to user's cell-phone end and computer terminal through cloud platform is long-range again, can reach the purpose of real time monitoring on-the-spot power equipment parameter, the information of each device of real-time display distribution system sends audible-visual annunciation when producing the trouble.
2. The utility model provides a data communication transmission of cloud platform adopts wireless form, goes upward communication mode and adopts the GPRS bus, and downlink communication mode adopts two buses of nonpolarity, has reduced the wiring cost, has improved interference immunity, and the network deployment transmission adopts the network to pass the technique thoroughly, makes system management safer.
Drawings
Fig. 1 is a schematic diagram of a system connection structure of the present invention;
FIG. 2 is a schematic diagram of a circuit connection structure of the wireless temperature measuring device of the present invention;
fig. 3 is a schematic structural diagram of a GPRS bus chip according to the present invention;
fig. 4 is a schematic diagram of the circuit structure of the present invention, which converts AC220V into 5V;
fig. 5 is a schematic block diagram of a circuit structure of the remote operation and maintenance module of the present invention;
fig. 6 is a schematic diagram of the circuit structure of the voltage acquisition circuit of the present invention;
fig. 7 is a schematic circuit diagram of the switch control circuit of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
The embodiments of the present invention will be described in detail with reference to the accompanying drawings:
as shown in fig. 1, fig. 3 and fig. 4, the digital collection system for operation and maintenance of electric power for a power distribution management device of the present invention comprises a 10KV bus, a high voltage cabinet and a first passive compensation cabinet connected to the 10KV bus, the high-voltage cabinet and the first passive compensation cabinet are connected with an operation and maintenance digital acquisition server, the 10KV bus is also connected with a transformer, the transformer converts the 10KV high voltage into 220V high level, the transformer is connected with a low-voltage cabinet, a second reactive power compensation cabinet and an active power filter, the low-voltage cabinet is connected with a distribution box, the distribution box is provided with a remote operation and maintenance module, as shown in fig. 4, the distribution box converts 220V voltage into 5V voltage, the model of the power supply conversion chip used for converting the alternating current 220V voltage into the direct current 5V voltage is E10-05. The remote operation and maintenance module is connected with the operation and maintenance digital acquisition server, the operation and maintenance digital acquisition server is remotely and wirelessly connected with the cloud platform, the operation and maintenance digital acquisition server mainly plays a role in data summarization and comparison of measured temperature data and current and voltage data with a built-in normal data range, if the operation and maintenance digital acquisition server is in the normal value range, the operation and maintenance digital acquisition server does not act, and if the operation and maintenance digital acquisition server is not in the normal range, namely, when the operation and maintenance digital acquisition server is abnormal, the operation and maintenance digital acquisition server can start a built-in control program to control the work of the high-voltage cabinet, the first reactive compensation cabinet and the like. And uploading the data to a cloud platform through a network, wherein the cloud platform is a conventional data cloud terminal in the communication field. The cloud platform pass through GPRS communication wireless connection user's cell-phone terminal and computer, panel terminal, the user can follow the operation condition of cell-phone end real-time observation electric power system, when taking place data anomaly, then user's cell-phone end can receive alarm information to send out the police dispatch newspaper in electric power system's scene, in order to indicate the staff to carry out the safety inspection, in this application, the used chip model of GPRS communication is SIM 800C. The collection and remote transmission of parameters of the power system are common technical means in the communication field, and are not described herein again. The operation and maintenance digital acquisition server collects and gathers the voltage, frequency and other parameters of the low-voltage cabinet, the high-voltage cabinet, the reactive compensation cabinet and the active power filter and uploads the parameters to the cloud platform, and then the cloud platform sends data information to the mobile phone terminal of a user in real time, so that the purpose of remotely monitoring the power distribution system by the user is achieved.
Further, as shown in fig. 5, 6 and 7, the remote operation and maintenance module includes a voltage acquisition circuit, and the input end of the voltage acquisition circuit is UinThe port is connected the output terminal department of block terminal, voltage acquisition circuit's operational amplifier adopt LM358D, voltage acquisition circuit is used for gathering the output voltage of block terminal, voltage acquisition circuit be connected with signal processing circuit, signal processing circuit's control chip adopt traditional STM series of singlechip, can realize the processing contrast function of signal of telecommunication can. The signal processing circuit be connected with data transmission circuit and on-off control circuit, on-off control circuit connect the main brake switch of the motor of block terminal to be provided with manual button SB1 and SB2 on-off control circuit, also can control opening of the motor of block terminal through manual button and stop. The data transmission circuit is connected with the operation and maintenance digital acquisition server, the signal processing circuit plays a role in processing a voltage value, the voltage value measured by the voltage acquisition circuit is compared with a normal voltage range arranged in the signal processing circuit, the voltage value measured by the voltage acquisition circuit is transmitted to the operation and maintenance digital acquisition server through the data transmission circuit, if the measured voltage value is not in the normal voltage range arranged in the signal processing circuit, the switch control circuit controls the main brake of the distribution box motor to be closed so as to avoid the occurrence of a fault caused by overhigh voltage, and if an alarm is required, the switch control circuit is directly connected with an output port of the signal processing circuitA diode or a buzzer. In addition, the signal processing circuit, the voltage acquisition circuit, the switch control circuit and the data transmission circuit are all common circuits in the prior art, so the connection mode of the internal electronic devices and the setting of the chip program are not repeated herein.
Further, a reactive compensation collector is installed on the second reactive compensation cabinet, a harmonic collector is installed on the active power filter, and the harmonic collector is in wireless connection with the operation and maintenance digital acquisition server. The low-voltage cabinet on install low voltage distribution collector, the transformer on install transformer state collector, reactive compensation collector, low voltage distribution collector and the equal wireless connection of transformer state collector the operation and maintenance digital acquisition server, wireless connection be two bus communication connected modes of nonpolarity, through the communication mode of two buses of nonpolarity, can reduce the cost of electric power system control wiring to improve the interference killing feature.
In addition, the reactive compensation collector, the harmonic collector, the low-voltage distribution collector and the transformer state collector respectively adopt equipment capable of realizing respective basic functions, and the internal structure and circuit connection of the equipment are unchanged.
As shown in fig. 2, the high-voltage cabinet is provided with a wireless temperature measuring device, the working principle of the wireless temperature measuring device is the working mode that the sensor collects data, and the wireless temperature measuring device with a display screen on the market and capable of viewing temperature data is selected. The model of the control chip of the wireless temperature measuring device is HEF4052BT, a pin 0Y, a pin 1Y, a pin 2Y and a pin 3Y of the wireless temperature measuring device are respectively connected with a direct current 3.3V power supply through a resistor connected with 5.1K omega, the pin Y of the wireless temperature measuring device is connected with a T probe through a resistor connected with 10K omega, and the T probe is connected to the switch contact of the high-voltage cabinet and used for detecting the temperature of the switch contact of the high-voltage cabinet. The first passive compensation cabinet is connected with a local detector, the local detector is a local discharge detector, and the portable or visible local detector can be used for detecting the local discharge condition of the first passive compensation cabinet. The local detector and the wireless temperature measuring device are connected with the operation and maintenance digital acquisition server, the local detector acquires current parameters of local discharge and temperature data of the high-voltage cabinet acquired by the wireless temperature measuring device, the current parameters and the temperature data are transmitted to the operation and maintenance digital acquisition server, and the collected current parameters and the temperature data are uploaded to the cloud platform for storage.
In specific implementation, a transformer state collector collects voltage parameters of the transformer, a harmonic collector collects wavelength and frequency of the active power filter, a reactive compensation collector collects compensation parameters of the second reactive compensation cabinet, a low-voltage distribution collector collects voltage values of the low-voltage cabinet, a wireless temperature measuring device measures temperature of the high-voltage cabinet, a partial discharge detector detects discharge current of the first reactive compensation cabinet, the parameters are transmitted to an operation and maintenance digital collection server for data summarization and uploaded to a cloud platform for storage, a user can observe data information in the cloud platform on a mobile phone terminal in real time to know field distribution conditions of the power system, when a fault occurs in the power system, an alarm can be sent on site, and the field alarm is realized by installing a buzzer at an output end of the operation and maintenance digital collection server, and meanwhile, the mobile phone end of the user receives the alarm information to remind a worker to overhaul, and when the abnormal signal is too large, the operation and maintenance digital acquisition server can perform corresponding measures, such as power failure and the like, on the high-voltage cabinet and the first passive compensation cabinet according to a built-in range program to maintain the safe operation of the power system.
The utility model discloses with the low-voltage cabinet, the high-voltage board, the reactive compensation cabinet, active power filter all connects on fortune dimension digital acquisition server, can be with the voltage that records, frequency, data transmission such as bandwidth to fortune dimension digital acquisition server in, wireless transmission to cloud platform after the gathering of fortune dimension digital acquisition server, send data to user's cell-phone end and computer terminal through cloud platform is long-range again, can reach the purpose of real time monitoring on-the-spot power equipment parameter, the information of each device of real-time display distribution system sends audible-visual annunciation when producing the trouble. And the data communication transmission of the cloud platform adopts a wireless form, the uplink communication mode adopts a GPRS bus, the downlink communication mode adopts a non-polar two-bus, the wiring cost is reduced, the anti-interference performance is improved, and the networking transmission adopts a network transparent transmission technology, so that the system management is safer.
It should be emphasized that the embodiments described herein are illustrative and not restrictive, and thus the present invention is not limited to the embodiments described in the detailed description, but also falls within the scope of the present invention, in any other embodiments derived by those skilled in the art according to the technical solutions of the present invention.

Claims (8)

1. The utility model provides an electric power fortune dimension digital acquisition system for distribution management device, includes 10KV generating line, its characterized in that: the intelligent power distribution system is characterized by further comprising a high-voltage cabinet and a first reactive compensation cabinet which are connected to a 10KV bus, wherein the high-voltage cabinet and the first reactive compensation cabinet are connected with an operation and maintenance digital acquisition server, the 10KV bus is further connected with a transformer, the transformer is connected with a low-voltage cabinet, a second reactive compensation cabinet and an active power filter, the low-voltage cabinet is connected with a distribution box, a remote operation and maintenance module is installed on the distribution box and connected with the operation and maintenance digital acquisition server, the operation and maintenance digital acquisition server is in remote wireless connection with a cloud platform, and the cloud platform is in wireless connection with a mobile phone terminal, a computer and a panel terminal of a user through GPRS communication.
2. The power operation and maintenance digital acquisition system for the power distribution management device according to claim 1, characterized in that: and the second reactive compensation cabinet is provided with a reactive compensation collector which is in wireless connection with the operation and maintenance digital acquisition server.
3. The power operation and maintenance digital acquisition system for the power distribution management device according to claim 1, characterized in that: the active power filter is provided with a harmonic collector, and the harmonic collector is in wireless connection with the operation and maintenance digital acquisition server.
4. The power operation and maintenance digital acquisition system for the power distribution management device according to claim 1, characterized in that: the low-voltage distribution collector is wirelessly connected with the operation and maintenance digital acquisition server.
5. The power operation and maintenance digital acquisition system for the power distribution management device according to claim 1, characterized in that: the transformer is provided with a transformer state collector which is in wireless connection with the operation and maintenance digital acquisition server.
6. The power operation and maintenance digital acquisition system for the power distribution management device according to claim 1, characterized in that: the high-voltage cabinet on install wireless temperature measuring device, first passive compensation cabinet be connected with the local detector, the local detector with wireless temperature measuring device all connect the operation and maintenance digital acquisition server.
7. An electric power operation and maintenance digital acquisition system for a power distribution management device according to claim 2, 3, 4 or 5, characterized in that: the wireless connection is a non-polar two-bus communication connection mode.
8. The power operation and maintenance digital acquisition system for the power distribution management device according to claim 1, characterized in that: the long-range fortune dimension module include voltage acquisition circuit, the port of voltage acquisition circuit's input connect the output of block terminal, voltage acquisition circuit be connected with signal processing circuit, signal processing circuit be connected with data transmission circuit and on-off control circuit, on-off control circuit connect the main brake switch of block terminal, data transmission circuit connect fortune dimension digital acquisition server.
CN201921778216.5U 2019-10-22 2019-10-22 Electric power operation and maintenance digital acquisition system for power distribution management device Active CN210693560U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921778216.5U CN210693560U (en) 2019-10-22 2019-10-22 Electric power operation and maintenance digital acquisition system for power distribution management device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921778216.5U CN210693560U (en) 2019-10-22 2019-10-22 Electric power operation and maintenance digital acquisition system for power distribution management device

Publications (1)

Publication Number Publication Date
CN210693560U true CN210693560U (en) 2020-06-05

Family

ID=70895326

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201921778216.5U Active CN210693560U (en) 2019-10-22 2019-10-22 Electric power operation and maintenance digital acquisition system for power distribution management device

Country Status (1)

Country Link
CN (1) CN210693560U (en)

Similar Documents

Publication Publication Date Title
CN104716741B (en) Transformer station's remote supervision system and remote monitoring method thereof
CN212970114U (en) Comprehensive intelligent monitoring system for electrical equipment
CN201229642Y (en) Electric fire disaster detector
CN201876970U (en) Intelligent measuring and controlling device for electrical fires
CN104615112A (en) Resource and environment monitoring and warning system under network environment
CN108273224A (en) Intelligent radio is built and electric fire monitoring device and system
CN207832923U (en) A kind of distributing monitoring system
CN112816917B (en) Transformer impact monitoring device
CN204360199U (en) Data acquisition and transmit system under network environment
CN111190375A (en) Intelligent monitoring system and monitoring method for hydropower station equipment
CN203745860U (en) Ring main unit cable joint temperature monitoring system
CN201820111U (en) Environmental monitoring device of outdoor telecommunication equipment cabinet
CN208226539U (en) A kind of intelligence power alarm electric instrument
CN107546856A (en) A kind of ring-main unit comprehensive monitoring system
CN210693560U (en) Electric power operation and maintenance digital acquisition system for power distribution management device
CN204360202U (en) Resources and environment monitoring early-warning system under network environment
CN203178776U (en) An equipment cabinet PDU intelligent monitoring system
CN203225585U (en) Low voltage intelligent power distribution system
CN214409153U (en) Operating state monitor for oil fume purifier
CN212752303U (en) Wisdom power consumption monitoring and early warning system based on thing networking and wired network deployment
CN207459830U (en) A kind of ring-main unit comprehensive monitoring system
CN211453908U (en) Multifunctional network instrument with electric leakage detection function
CN209979727U (en) Electric comprehensive monitoring module
CN114465362A (en) Intelligent monitoring system and method for industrial users
CN209748203U (en) three-phase unbalanced mobile inspection monitoring controller

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant