CN107171444A - A kind of real-time monitoring system of low-voltage distribution cabinet - Google Patents

A kind of real-time monitoring system of low-voltage distribution cabinet Download PDF

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Publication number
CN107171444A
CN107171444A CN201710609867.0A CN201710609867A CN107171444A CN 107171444 A CN107171444 A CN 107171444A CN 201710609867 A CN201710609867 A CN 201710609867A CN 107171444 A CN107171444 A CN 107171444A
Authority
CN
China
Prior art keywords
distribution cabinet
low
voltage distribution
temperature
power
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.)
Withdrawn
Application number
CN201710609867.0A
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Chinese (zh)
Inventor
孔令翠
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.)
Hefei Ou Shijia Electromechanical Equipment Co Ltd
Original Assignee
Hefei Ou Shijia Electromechanical Equipment 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 Hefei Ou Shijia Electromechanical Equipment Co Ltd filed Critical Hefei Ou Shijia Electromechanical Equipment Co Ltd
Priority to CN201710609867.0A priority Critical patent/CN107171444A/en
Publication of CN107171444A publication Critical patent/CN107171444A/en
Withdrawn legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J13/00Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
    • H02J13/0006Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network for single frequency AC networks
    • H02J13/0013Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network for single frequency AC networks characterised by transmission structure between the control or monitoring unit and the controlled or monitored unit
    • H02J13/0017Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network for single frequency AC networks characterised by transmission structure between the control or monitoring unit and the controlled or monitored unit with direct transmission between the control or monitoring unit and the controlled or monitored unit
    • H02J13/0075Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network for single frequency AC networks characterised by transmission structure between the control or monitoring unit and the controlled or monitored unit with direct transmission between the control or monitoring unit and the controlled or monitored unit using radio means
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J13/00Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
    • H02J13/00001Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by the display of information or by user interaction, e.g. supervisory control and data acquisition systems [SCADA] or graphical user interfaces [GUI]
    • 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
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B90/00Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02B90/20Smart grids as enabling technology in buildings sector
    • 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 invention discloses a kind of low-voltage distribution cabinet real-time monitoring system, the system includes:Acquisition module, light number converter, microprocessor, power module, communication module, controller;Acquisition module is used to gather temperature information, voltage, power and electric energy, the current information in low-voltage distribution cabinet;Light number converter is used to optical information being converted to data signal;Microprocessor generates the temperature information and warning message of low-voltage distribution cabinet according to data signal;Power module is used to change way to take power;Communication module, which is used to set up with external equipment by wireless transceiver, to communicate;Controller is used to transmit the current operating conditions of acquired low-voltage distribution cabinet to backstage main website.The monitoring system of the present invention can monitor the temperature in low-voltage distribution cabinet in real time, and when occurring too high temperature or operation power abnormal failure, send in time and remind and alarm, saved the cost of artificial Measuring error.

Description

A kind of real-time monitoring system of low-voltage distribution cabinet
Technical field
The present invention relates to field of power, more particularly to a kind of real-time monitoring system of low-voltage distribution cabinet.
Background technology
In power system, power equipment safety reliability is the important ring that ultra-large power transmission and distribution and power grid security are ensured Section, wherein, power switch power distribution cabinet is the visual plant of the extensive utilization in electrical power trans mission/distribution system, and its security reliability is by more next More concerns, in equipment longtime running, the joint area of switchgear, the conductive part of disconnecting switch grade position can be because of system Make, transport, bad and aging is installed causing contact resistance excessive and generate heat, if the temperature of these heating positions can not be examined accurately Survey, do not overhauled in time, then can cause burning for switch power distribution cabinet.
The monitoring of current power distribution cabinet internal temperature rise remains in the stage of hand inspection, and current main method is by artificial Power distribution cabinet is opened at regular intervals, and the main binding post of power distribution cabinet is carried out thermometric and done using infrared temperature detection device to remember Record, the subject matter that the way is present is manually that, to power distribution cabinet thermometric, need to open distribution cabinet door, it is possible to cause personnel to injure, It is dangerous, and operate more complicated.Therefore, it is necessary to the system of a kind of effective monitoring power distribution cabinet temperature and running environment is provided, Can monitor the data such as temperature, electric current, voltage in power distribution cabinet automatically, and detect temperature it is too high when send alarm in time Remind, to solve above-mentioned technical problem.
The content of the invention
In view of the shortcomings of the prior art, can be real-time the invention provides a kind of real-time monitoring system of low-voltage distribution cabinet The temperature in low-voltage distribution cabinet is monitored, and when occurring too high temperature or operation power abnormal failure, prompting is sent in time simultaneously Alarm, delimit danger classes to warning message, greatlys save manpower and materials, saved the cost of artificial Measuring error.
The present invention solves technical problem and adopted the following technical scheme that:
A kind of low-voltage distribution cabinet real-time monitoring system, including:It is acquisition module, light number converter, microprocessor, power module, logical Believe module, controller;
Acquisition module includes:Temperature collecting cell, is changed for collecting the temperature information in low-voltage distribution cabinet, and by temperature information For optical information;Voltage transformer, for measuring the voltage of circuit, power and electric energy in low-voltage distribution cabinet;Current transformer, is used for Measure the current information in low-voltage distribution cabinet;
Light number converter, the optical information for the temperature collecting cell to be changed is converted to data signal, and for high temperature report It is alert;
Microprocessor, temperature information and warning message for generating low-voltage distribution cabinet according to the data signal;
Power module, is changed, and electric energy is deposited for the way to take power to voltage transformer, current transformer or solar energy Battery is stored in, electric energy is provided for controller;
Communication module, communicates for being set up by wireless transceiver with external equipment;
Controller, is interacted with the acquisition module, light number converter, microprocessor, power module, communication module respectively, For the current operating conditions of acquired low-voltage distribution cabinet to be transmitted to backstage main website.
Further, the temperature collecting cell includes multiple temperature sensors, and each temperature sensor correspondence one is solid Determine monitoring point, the air themperature of monitoring correspondence stationary monitoring point, and the data monitored are sent to light number converter in real time.
Further, the backstage main website is provided with threshold cell, for setting and storing the threshold value of air themperature and low Press voltage, power, electric energy, the current threshold of power distribution cabinet.
Further, the warning message includes overtemperature alarm, high temperature alarm, the one or more being rapidly heated in alarm Combination.
Further, the monitoring system also includes:Display module, is electrically connected with the controller, for showing acquisition module The information data of collection.
Further, the signal mode of the wireless transceiver is 3G, 4G or Wi-Fi.
Further, the monitoring system also includes:Alarm unit, for the low-voltage distribution cabinet that is obtained according to controller Current operating conditions send alarm sound and reveal different colours signal lamp according to danger classes.
Further, the power module is additionally operable to carry out activation process to the battery.
Compared with prior art, the present invention has the advantages that:
(1)The real-time monitoring system of the low-voltage distribution cabinet of the present invention, can monitor the temperature in low-voltage distribution cabinet in real time, and Generation temperature is too high or during operation power abnormal failure, sends in time and reminds and alarm, delimit danger classes to warning message, greatly Manpower and materials are saved greatly, the cost of artificial Measuring error has been saved.
(2)The acquisition module of the present invention, including temperature collecting cell, voltage transformer, current transformer, can be supervised in real time The air themperature of the related stationary monitoring point of survey power distribution cabinet, voltage, current related data, microprocessor and controller synthesis analysis Processing, obtains the working condition of real-time low-voltage distribution cabinet, and transmits in time to backstage main website, is easy to related personnel to go and find out what's going on And take measures in time, carry out maintenance management.
(3)The temperature information of the present invention is converted to data signal by light number converter, is shown in real time on display module, On-line testing is implemented to the temperature of power distribution cabinet by the way that temperature information is converted into optical information, accurate temperature data is obtained, Reduce the interval time of monitoring temperature so that thermometric facilitates much sooner, it is to avoid the situation that switch power distribution cabinet is burned out.
Brief description of the drawings
Fig. 1 is the module diagram of the real-time monitoring system of the low-voltage distribution cabinet of embodiment 1;
Fig. 2 is the module diagram of the real-time monitoring system of the low-voltage distribution cabinet of embodiment 2.
Embodiment
In order that the purpose, technical scheme and advantage of the embodiment of the present invention are more clearly understood that, with reference to embodiment and accompanying drawing, Embodiments of the invention are further described in detail.Here, the present invention illustrative examples and illustrate be used for explain The present invention, but it is not as a limitation of the invention.
Embodiment 1
As shown in figure 1, a kind of low-voltage distribution cabinet real-time monitoring system of the present embodiment, including:Acquisition module 100, the conversion of light number Device 200, microprocessor 300, power module 400, communication module 500, controller 600, backstage main website 700.
Acquisition module 100 includes:Temperature collecting cell 110, for collecting the temperature information in low-voltage distribution cabinet, and by temperature Degree information is converted to optical information;Voltage transformer 120, for measuring the voltage of circuit, power and electric energy in low-voltage distribution cabinet;Electricity Current transformer 130, for measuring the current information in low-voltage distribution cabinet.
Light number converter 200, the optical information for the temperature collecting cell to be changed is converted to data signal, and is used for High temperature alarm.
Microprocessor 300, temperature information and warning message for generating low-voltage distribution cabinet according to the data signal.
Power module 400, is turned for the way to take power to voltage transformer 120, current transformer 130 or solar energy Change, and electric energy is provided in battery for controller by power storage.
Communication module 500, communicates for being set up by wireless transceiver with external equipment 800.
Controller 600, respectively with the acquisition module 100, light number converter 200, microprocessor 300, power module 400th, communication module 500 is interacted, for the current operating conditions of acquired low-voltage distribution cabinet to be transmitted to backstage main website 700。
The real-time monitoring system of the low-voltage distribution cabinet of the present embodiment, the temperature in low-voltage distribution cabinet can be monitored in real time, and And when occurring too high temperature or operation power abnormal failure, send in time and remind and alarm, danger etc. delimited to warning message Level, greatlys save manpower and materials, has saved the cost of artificial Measuring error.
Embodiment 2
As shown in Fig. 2 a kind of low-voltage distribution cabinet real-time monitoring system of the present embodiment, including:Acquisition module 100, the conversion of light number Device 200, microprocessor 300, power module 400, communication module 500, controller 600, backstage main website 700, external equipment 800, Display module 900, alarm unit 1000.
Acquisition module 100 includes:Temperature collecting cell 110, for collecting the temperature information in low-voltage distribution cabinet, and by temperature Degree information is converted to optical information;Voltage transformer 120, for measuring the voltage of circuit, power and electric energy in low-voltage distribution cabinet;Electricity Current transformer 130, for measuring the current information in low-voltage distribution cabinet.Wherein, temperature collecting cell 110 is passed including multiple temperature Sensor 111, one stationary monitoring point of each correspondence of temperature sensor 111, the air themperature of the corresponding stationary monitoring point of monitoring in real time, And send the data monitored to light number converter 200.Temperature in the sensing power distribution cabinet body of temperature sensor 111, works as temperature When too high, adjustment equipment work, to cooling in power distribution cabinet body.
Light number converter 200, the optical information for the temperature collecting cell to be changed is converted to data signal, and is used for High temperature alarm.
Microprocessor 300, temperature information and warning message for generating low-voltage distribution cabinet according to the data signal. Warning message includes overtemperature alarm, high temperature alarm, the one or more of combinations being rapidly heated in alarm.
Power module 400, is turned for the way to take power to voltage transformer 120, current transformer 130 or solar energy Change, and electric energy is provided in battery for controller by power storage.
Communication module 500, communicates for being set up by wireless transceiver with external equipment.The signal mode of wireless transceiver For 3G, 4G or Wi-Fi.
Controller 600, respectively with the acquisition module 100, light number converter 200, microprocessor 300, power module 400th, communication module 500 is interacted, for the current operating conditions of acquired low-voltage distribution cabinet to be transmitted to backstage main website 700。
Backstage main website 700 is provided with threshold cell, threshold value and low-voltage distribution cabinet for setting and storing air themperature Voltage, power, electric energy, current threshold.Wherein, threshold cell can be configured to user right, and the role of authority includes:It is super Level keeper, super keepe has the administration authority of whole users, is compiled for carrying out system core parameter, operational factor, map Volume, the setting of temperature calibration, alarm setting, alert process;Keeper, keeper has the administrative power of at the same level and subordinate subscriber Limit, for carry out operational factor, map edit, temperature calibration, alarm setting, alert process setting;General operation person, typically Operator does not have administration authority, is checked for carrying out alert process and monitoring system form.
Display module 900 is electrically connected with controller 600, for showing the information data that acquisition module 100 is gathered.Show mould Block 900 is to show monitored area website with intuitively graphical interfaces, and the detailed temperature of associated stations is shown in the way of attribute form Information is spent, the temperature information of monitoring device conveniently can be intuitively checked.Alarm unit 1000, for the low pressure obtained according to controller The current operating conditions of power distribution cabinet send alarm sound and reveal different colours signal lamp according to danger classes.Specifically, should Alarm unit be common electric bell, alarm unit can send " temperature is too high, it is noted that!" voice warning.Wherein, the system is also wrapped Air circulation unit has been included, air circulation in cabinet is driven using mini fan.
The acquisition module of the present embodiment, including temperature collecting cell, voltage transformer, current transformer, can be supervised in real time The air themperature of the related stationary monitoring point of survey power distribution cabinet, voltage, current related data, microprocessor and controller synthesis analysis Processing, obtains the working condition of real-time low-voltage distribution cabinet, and transmits in time to backstage main website, is easy to related personnel to go and find out what's going on And take measures in time, carry out maintenance management.Temperature information is converted to data signal by light number converter, is shown in real time aobvious Show in module, on-line testing is implemented to the temperature of power distribution cabinet by the way that temperature information is converted into optical information, obtained accurate Temperature data, reduce the interval time of monitoring temperature so that thermometric facilitates much sooner, it is to avoid switch power distribution cabinet is burned out Situation.
Described above is only the preferred embodiment of the present invention, and protection scope of the present invention is not limited merely to above-mentioned implementation Example, all technical schemes belonged under thinking of the present invention belong to protection scope of the present invention.It should be pointed out that for the art Those of ordinary skill for, some improvements and modifications without departing from the principles of the present invention, these improvements and modifications It should be regarded as protection scope of the present invention.

Claims (8)

1. a kind of low-voltage distribution cabinet real-time monitoring system, it is characterised in that including:Acquisition module, light number converter, microprocessor Device, power module, communication module, controller;
Acquisition module includes:Temperature collecting cell, is changed for collecting the temperature information in low-voltage distribution cabinet, and by temperature information For optical information;Voltage transformer, for measuring the voltage of circuit, power and electric energy in low-voltage distribution cabinet;Current transformer, is used for Measure the current information in low-voltage distribution cabinet;
Light number converter, the optical information for the temperature collecting cell to be changed is converted to data signal, and for high temperature report It is alert;
Microprocessor, temperature information and warning message for generating low-voltage distribution cabinet according to the data signal;
Power module, is changed, and electric energy is deposited for the way to take power to voltage transformer, current transformer or solar energy Battery is stored in, electric energy is provided for controller;
Communication module, communicates for being set up by wireless transceiver with external equipment;
Controller, is interacted with the acquisition module, light number converter, microprocessor, power module, communication module respectively, For the current operating conditions of acquired low-voltage distribution cabinet to be transmitted to backstage main website.
2. low-voltage distribution cabinet real-time monitoring system according to claim 1, it is characterised in that the temperature collecting cell bag Include multiple temperature sensors, one stationary monitoring point of each temperature sensor correspondence, the sky of the corresponding stationary monitoring point of monitoring in real time Temperature degree, and the data monitored are sent to light number converter.
3. low-voltage distribution cabinet real-time monitoring system according to claim 1, it is characterised in that the backstage main website is provided with threshold Value cell, for setting and storing the threshold value of air themperature and the voltage of low-voltage distribution cabinet, power, electric energy, current threshold.
4. low-voltage distribution cabinet real-time monitoring system according to claim 1, it is characterised in that the warning message includes super Warm alarm, high temperature alarm, the one or more of combinations being rapidly heated in alarm.
5. low-voltage distribution cabinet real-time monitoring system according to claim 1, it is characterised in that the monitoring system is also wrapped Include:Display module, is electrically connected with the controller, the information data for showing acquisition module collection.
6. low-voltage distribution cabinet real-time monitoring system according to claim 1, it is characterised in that the letter of the wireless transceiver Number pattern is 3G, 4G or Wi-Fi.
7. low-voltage distribution cabinet real-time monitoring system according to claim 1, it is characterised in that the monitoring system is also wrapped Include:Alarm unit, the current operating conditions of the low-voltage distribution cabinet for being obtained according to controller send alarm sound and according to Danger classes reveals different colours signal lamp.
8. low-voltage distribution cabinet real-time monitoring system according to claim 1, it is characterised in that the power module is additionally operable to Activation process is carried out to the battery.
CN201710609867.0A 2017-07-25 2017-07-25 A kind of real-time monitoring system of low-voltage distribution cabinet Withdrawn CN107171444A (en)

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Application Number Priority Date Filing Date Title
CN201710609867.0A CN107171444A (en) 2017-07-25 2017-07-25 A kind of real-time monitoring system of low-voltage distribution cabinet

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710609867.0A CN107171444A (en) 2017-07-25 2017-07-25 A kind of real-time monitoring system of low-voltage distribution cabinet

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108749635A (en) * 2018-07-10 2018-11-06 青岛千钧投资企业(有限合伙) Drive the method, apparatus and electric vehicle of electric automobile high-voltage component working
CN110794198A (en) * 2019-10-15 2020-02-14 北京国电通网络技术有限公司 Safety monitoring device for electric appliance line
CN112509299A (en) * 2020-11-11 2021-03-16 广东雅达电子股份有限公司 Wireless temperature device supporting CT power taking of high-voltage power distribution cabinet

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203326714U (en) * 2013-05-22 2013-12-04 安徽智瑞电气有限公司 Low-voltage power distribution real-time monitoring system
CN204886412U (en) * 2015-07-10 2015-12-16 河南力安测控科技有限公司 Be applied to safety monitoring device of consumer
CN204966989U (en) * 2015-09-01 2016-01-13 福建师范大学 Take switch board safety monitoring device of temperature detection
CN205982461U (en) * 2016-08-08 2017-02-22 国网山东省电力公司巨野县供电公司 Low -voltage distribution is electric detection means for cabinet
CN106526428A (en) * 2016-12-05 2017-03-22 西安兴汇电力科技有限公司 0.4kV low-voltage distribution line on-line monitoring system

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203326714U (en) * 2013-05-22 2013-12-04 安徽智瑞电气有限公司 Low-voltage power distribution real-time monitoring system
CN204886412U (en) * 2015-07-10 2015-12-16 河南力安测控科技有限公司 Be applied to safety monitoring device of consumer
CN204966989U (en) * 2015-09-01 2016-01-13 福建师范大学 Take switch board safety monitoring device of temperature detection
CN205982461U (en) * 2016-08-08 2017-02-22 国网山东省电力公司巨野县供电公司 Low -voltage distribution is electric detection means for cabinet
CN106526428A (en) * 2016-12-05 2017-03-22 西安兴汇电力科技有限公司 0.4kV low-voltage distribution line on-line monitoring system

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108749635A (en) * 2018-07-10 2018-11-06 青岛千钧投资企业(有限合伙) Drive the method, apparatus and electric vehicle of electric automobile high-voltage component working
CN110794198A (en) * 2019-10-15 2020-02-14 北京国电通网络技术有限公司 Safety monitoring device for electric appliance line
CN112509299A (en) * 2020-11-11 2021-03-16 广东雅达电子股份有限公司 Wireless temperature device supporting CT power taking of high-voltage power distribution cabinet

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