CN209070007U - A kind of photovoltaic cable monitoring system - Google Patents

A kind of photovoltaic cable monitoring system Download PDF

Info

Publication number
CN209070007U
CN209070007U CN201821606444.XU CN201821606444U CN209070007U CN 209070007 U CN209070007 U CN 209070007U CN 201821606444 U CN201821606444 U CN 201821606444U CN 209070007 U CN209070007 U CN 209070007U
Authority
CN
China
Prior art keywords
cable
information
sensor
processing unit
central processing
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
CN201821606444.XU
Other languages
Chinese (zh)
Inventor
朱宇明
孟虹
朱庆芳
高天阳
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.)
Beijing Guodian Longqing Technology Co Ltd
Original Assignee
Beijing Guodian Longqing 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 Beijing Guodian Longqing Technology Co Ltd filed Critical Beijing Guodian Longqing Technology Co Ltd
Priority to CN201821606444.XU priority Critical patent/CN209070007U/en
Application granted granted Critical
Publication of CN209070007U publication Critical patent/CN209070007U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The utility model relates to a kind of photovoltaic cables to monitor system, by sensor setting on tested cable, sensor is connected with central processing unit, central processing unit is connected with monitoring device, signal alarm, sensor group will test cable information and be sent to central processing unit, central processing unit performs an analysis cable information and internal preset safety value processing, and cable information is sent to monitoring device, so that the cable information that monitoring device display detects;And when cable information is greater than and presets safety value in central processing unit, trigger signal alarm sends corresponding alarm signal.Cable internal powerline exposure caused by excessively high short circuit current, cable hull-skin temperature, the damage in Natural Damage or transportational process can occur so that the failures such as cable short circuit are judged and alarmed in time in electricity transmission process to cable using above system, and failure cable reason is judged according to the cable information of detection, conducive to the monitoring and maintenance of power transmission cable.

Description

A kind of photovoltaic cable monitoring system
Technical field
The utility model relates to photovoltaic cable technical fields, and in particular to a kind of photovoltaic cable monitoring system.
Background technique
With the continuous development of science and technology, heliotechnics will become following one of the green energy resource technology, solar energy Or photovoltaic is increasingly extensive in Chinese application, in addition to the photovoltaic power generation factory of governmental support quickly grows, private investor is also just long-pending It founds the factory pole.And the sixty-four dollar question needed to pay attention in solar powered technology is normal defeated in guarantee photovoltaic cable electricity transmission process Electricity, but will appear a very common situation in practical electricity transmission process, cable may or electric current excessive because of load it is excessive, Or in conveying due to the performance thermal diffusivity of cable is bad etc. caused by temperature is excessively high outage problem occurs, and current cable Monitoring system will do it alarm as long as power blackout situation occurs in cable, can't identify that cable failure causes to power off reason.
Utility model content
In view of this, providing a kind of photovoltaic cable monitoring the purpose of the utility model is to overcome the deficiencies in the prior art System.
In order to achieve the above object, the utility model adopts the following technical solution:
A kind of photovoltaic cable monitoring system, comprising: central processing unit, the sensor group for being set to tested cable and center Monitoring system that processor is connected, monitoring device, signal alarm, power supply;
The sensor group is used to detect the cable information of the tested cable;The cable information includes the tested electricity The Displacement-deformation amount of the load current of cable, the hull-skin temperature of tested cable and the tested cable;The sensor group includes Current sensor, temperature sensor, displacement sensor;The load current is detected to obtain by the current sensor, described outer Surface temperature is detected to obtain by the temperature sensor, and the Displacement-deformation amount is detected to obtain by institute's displacement sensors;
The central processing unit, respectively with the current sensor, the temperature sensor, institute's displacement sensors, institute It states signal alarm to be connected, for receiving the load current, the hull-skin temperature and the Displacement-deformation amount;If described Load current is greater than default safe current, triggers the signal alarm and sends current failure alarm signal;If or the appearance Face temperature is greater than default safe temperature, triggers the signal alarm and sends heat alarm;If or the Displacement-deformation amount Greater than safe deformation quantity is preset, triggers the signal alarm and send deformation alarm signal;The central processing unit is also used to send out The load current, the hull-skin temperature and the Displacement-deformation amount to the monitoring device is sent to show;
The central processing unit is also used to send the load current, the hull-skin temperature and the Displacement-deformation amount extremely The monitoring device is shown;
The power supply, respectively with the central processing unit, the sensor group, the monitoring system, the signal Alarm is connected, for supplying for the central processing unit, the sensor group, the monitoring system, the signal alarm Electricity.
Further, the sensor group further include: voltage sensor, the voltage sensor are described tested for detecting The information of voltage of cable, and the information of voltage is sent to the central processing unit.
Further, the central processing unit is also used to: being received the information of voltage, is preset if the information of voltage is greater than Safe voltage information triggers the signal alarm and sends voltage alarm.
Further, central processing unit includes pattern recognition apparatus, determines fault type equipment and query display equipment;
The pattern recognition apparatus, the determining fault type equipment and the query display equipment are sequentially connected;It is described Pattern recognition apparatus receives the cable information that the sensor group is sent, and carries out identifying determining mould to the cable information Formula identification information;The determining fault type equipment receives the pattern-recognition information that the pattern recognition apparatus is sent, really Determine fault type;The query display equipment receives the fault type that the determining fault type equipment is sent and shows, And it is inquired according to the inquiry instruction that user inputs and shows the fault type;
The determining fault type equipment, is also connected with the signal alarm, and the fault type is sent to institute It states signal alarm and generates corresponding alarm signal;The alarm signal include current failure alarm signal, heat alarm and Deformation alarm signal.
It further, further include GPS locator, the GPS locator is set with the tested cable, the monitoring respectively Standby to be connected, the location information of the tested cable for detecting the GPS locator is sent to the monitoring device, with The monitoring device is set to show the location information of tested cable.
Further, central processing unit includes memory, and the memory is for storing and updating the cable information.
Further, the central processing unit is connected with the sensor group by wireless communication mode.
Optionally, wireless communication mode includes Blue-tooth communication method or wireless communication mode.
Optionally, temperature sensor is fiber grating temperature sensor.
Optionally, power supply is intelligent battery.
Technical solution provided by the utility model can include the following benefits:
Central processing unit by monitored cable, being distinguished the setting of sensor group by a kind of photovoltaic cable monitoring system It is connected with sensor group, monitoring device, signal alarm, sensor group includes current sensor, temperature sensor, displacement biography Sensor;The load current for the tested cable that current sensor, temperature sensor, displacement sensor will test respectively, outer surface temperature Degree, Displacement-deformation amount are sent to central processing unit, and central processing unit carries out load current, hull-skin temperature, Displacement-deformation amount Analysis processing, when load current, hull-skin temperature, Displacement-deformation amount information are greater than corresponding default safety value in central processing unit When, trigger signal alarm sends corresponding alarm signal, and connection to load electric current, hull-skin temperature, Displacement-deformation amount are sent to prison Measurement equipment, so that monitoring device shows load current, hull-skin temperature, Displacement-deformation amount information, it can be negative according to what is detected The information such as charged current, hull-skin temperature, Displacement-deformation amount judge whether cable works normally, can using above system To cable excessively high short circuit current, cable hull-skin temperature occurs in electricity transmission process, the damage in Natural Damage or transportational process is led The Displacement-deformation amount of the cable internal powerline cable outer surface of cause change generate exposure so that the failures such as cable short circuit and Shi Jinhang judgement and alarm, and judge failure cable reason according to the cable information of detection, conducive to power transmission cable monitoring and Maintenance.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of structural schematic diagram of photovoltaic cable monitoring system provided by the embodiment of the utility model;
Fig. 2 is a kind of structural schematic diagram for photovoltaic cable monitoring system that another embodiment of the utility model provides.
Specific embodiment
To keep the purpose of this utility model, technical solution and advantage clearer, below by the technology to the utility model Scheme is described in detail.Obviously, the described embodiments are only a part of the embodiments of the utility model, rather than all Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not before making creative work Obtained all other embodiment is put, the range that the utility model is protected is belonged to.
Fig. 1 is the structural schematic diagram of photovoltaic cable monitoring system provided by the embodiment of the utility model.
As shown in Figure 1, the present embodiment includes:
Central processing unit 11, the sensor group 12 for being set to tested cable, the monitoring being connected with central processing unit 11 are set Standby 13, signal alarm 14, the power supply 15 being connected with central processing unit 11;
Sensor group 12 includes current sensor 121, temperature sensor 122, displacement sensor 123;
The sensor group is used to detect the cable information of the tested cable;The cable information includes the tested electricity The Displacement-deformation amount of the load current of cable, the hull-skin temperature of tested cable and the tested cable;The sensor group includes Current sensor, temperature sensor, displacement sensor;The load current is detected to obtain by the current sensor, described outer Surface temperature is detected to obtain by the temperature sensor, and the Displacement-deformation amount is detected to obtain by institute's displacement sensors;
Central processing unit 11, respectively with current sensor 121, temperature sensor 122, displacement sensor 123, signal alarm Device 14 is connected, for receiving load current, hull-skin temperature and Displacement-deformation amount;If load current is greater than default safety electricity Stream, trigger signal alarm 14 send current failure alarm signal;If or hull-skin temperature is greater than default safe temperature, triggering letter Number alarm 14 sends heat alarm;If or Displacement-deformation amount be greater than preset safe deformation quantity, trigger signal alarm 14 Send deformation alarm signal;
It is aobvious to monitoring device 13 that central processing unit 11 is also used to send load current, hull-skin temperature and Displacement-deformation amount Show;
Current sensor 121, for detecting the electric current of tested cable, and the load current that current sensor 121 is detected Information is sent to monitoring device 13, so that monitoring device 13 shows load current information, and by load current information and centre Safe current information work is preset in reason device 11 to judge, when load current information is greater than default safe current information, then triggers letter Number alarm 14 sends current failure alarm signal.
Temperature information for detecting the temperature of tested cable outer surface, and is sent to monitoring device by temperature sensor 122 13, so that 13 displays temperature information of monitoring device, and make safe temperature information is preset in temperature information and central processing unit 11 Judgement then triggers the signal alarm 14 and sends heat alarm when temperature information is greater than default safe temperature information.
Displacement sensor 123 is sent to prison for detecting the Displacement-deformation amount of tested cable, and by Displacement-deformation amount information Measurement equipment 13, so that monitoring device 13 shows the deformation quantity information, and will be in Displacement-deformation amount information and central processing unit 11 Default safe displacement deformation quantity information work judges, when Displacement-deformation amount information, which is greater than, presets safe deformation quantity information, then triggers Signal alarm 14 sends deformation alarm signal;
The central processing unit 11 of the present embodiment uses E3200 central processing unit, when the tested electricity that current sensor 121 detects The load current of cable is 32 ampere-hours, and central processing unit receives the load current 32 for the tested cable that current sensor 121 detects The information of ampere is judged that judging result is 32 amperes with the safe current value for presetting 30 amperes in central processing unit 11 Load current value is greater than 30 amperes of safe current value, then triggers 11 transmission level signal of central processing unit to signal alarm 14, signal alarm 14 issues current failure alarm;
Or when the hull-skin temperature for the tested cable that temperature sensor 122 detects is 70 degree, central processing unit receives temperature The information that the hull-skin temperature for the tested cable that sensor 122 detects is 70 degree is spent, with default 60 degree in central processing unit 11 Safe temperature value is judged that judging result is 70 degree of hull-skin temperature value and is greater than 60 degree of safe temperature value, then triggers centre 11 transmission level signal of device is managed to signal alarm 14, signal alarm 14 receives level signal and issues temperature alarming;
If or displacement sensor 123 detect tested cable Displacement-deformation amount be 0.85 millimeter when, central processing unit 11 The Displacement-deformation amount for receiving the tested cable that displacement sensor 123 detects is 0.85 millimeter of value, and pre- in central processing unit 11 If 0.6 millimeter of safe deformation magnitude is judged, judging result is that the Displacement-deformation magnitude of tested cable is greater than safe deformation Magnitude then triggers 11 transmission level signal of central processing unit to signal alarm 14, and signal alarm 14 receives level signal hair Deformation quantity is alarmed out;
Power supply 15 is connected with central processing unit 11, sensor 12, monitoring device 13, signal alarm 14 respectively, For powering for central processing unit 11, sensor 12, monitoring device 13, signal alarm 14.
The present embodiment by by the setting of sensor group on monitored cable, by central processing unit respectively with sensor group, Monitoring device, signal alarm are connected, and sensor group includes current sensor, temperature sensor, displacement sensor;Electric current passes Load current, hull-skin temperature, the Displacement-deformation for the tested cable that sensor, temperature sensor, displacement sensor will test respectively Amount is sent to central processing unit, and central processing unit is analyzed and processed load current, hull-skin temperature, Displacement-deformation amount, when When load current, hull-skin temperature, Displacement-deformation amount information are greater than corresponding default safety value in central processing unit, trigger signal Alarm sends corresponding alarm signal, and connection to load electric current, hull-skin temperature, Displacement-deformation amount are sent to monitoring device, so that Monitoring device show load current, hull-skin temperature, Displacement-deformation amount information, can according to detect load current, appearance The information such as face temperature, Displacement-deformation amount judge whether cable works normally, can be to cable defeated using above system Electric process occurs in cable caused by excessively high short circuit current, cable hull-skin temperature, the damage in Natural Damage or transportational process The Displacement-deformation amount of portion power line cable outer surface, which changes, generates exposure so that the failures such as cable short circuit are judged in time And alarm, and failure cable reason is judged according to the cable information of detection, conducive to the monitoring and maintenance of power transmission cable.
Fig. 2 is the structural schematic diagram for the kind photovoltaic cable monitoring system that another embodiment of the utility model provides.
As shown in Fig. 2, on the basis of the above embodiments, a kind of sensor of photovoltaic cable monitoring system of the present embodiment Group further includes voltage sensor 124, and voltage sensor 124 is used to detect the cable information of tested cable, and information of voltage is sent out It send to the central processing unit 11;
Central processing unit 11 is also used to: the information of voltage is received, if the information of voltage is greater than default safe voltage letter Breath, trigger signal alarm 14 send voltage alarm.
Further, central processing unit 11 includes pattern recognition apparatus, determines fault type equipment and query display equipment;
Pattern recognition apparatus determines that fault type equipment and query display equipment are sequentially connected;Pattern recognition apparatus receives The signal that sensor group is sent, and signal is carried out by automatic test neural network to identify determining pattern-recognition information;Really Determine the pattern-recognition information that fault type equipment reception pattern identification equipment is sent, determines that fault type determines;Query display is set It is standby to receive the fault type information and display for determining that fault type equipment is sent, and simultaneously according to the inquiry instruction inquiry of user's input Show the fault type;
It determines fault type equipment, is also connected with signal alarm 14, fault type information is sent to the signal Alarm 14 generates alarm signal, and the signal alarm 14 issues the alarm signal of respective type according to the fault type information Number.
It further, further include GPS locator, GPS locator is connected with tested cable, monitoring device 13 respectively, uses It is sent to monitoring device 13 in the location information for the tested cable for detecting GPS locator, so that monitoring device 13 shows quilt Survey the location information of cable.
Further, central processing unit 11 includes memory, and memory is for storing and updating the cable information;Storage Device, when monitoring data update, wipes legacy data for storing every monitoring secure data and monitoring data, and new number is written According to.
Optionally, central processing unit 11 is connected with sensor group 12 and passes through including central processing unit 11 and sensor group 12 Wireless communication mode is connected.
Optionally, wireless communication mode includes Blue-tooth communication method or wireless communication mode.
Optionally, temperature sensor 122 is fiber grating temperature sensor.
Optionally, power supply 15 is intelligent battery.
A kind of photovoltaic cable monitoring system by by sensor setting on monitored cable, by central processing unit and sensing Device is connected with monitoring device, signal alarm, electric current, temperature, Displacement-deformation amount, voltage for detecting sensor group Information is sent to central processing unit, and electric current, temperature, Displacement-deformation amount, information of voltage are analyzed and processed by central processing unit, when When electric current, temperature, Displacement-deformation amount, information of voltage are greater than corresponding default safety value in central processing unit, trigger signal alarm Device sends corresponding alarm signal, and load current, temperature, Displacement-deformation amount, information of voltage are sent to monitoring device, so that Monitoring device show electric current, temperature, Displacement-deformation amount, information of voltage, can according to detect load current, outer surface temperature The information such as degree, Displacement-deformation amount judge whether cable works normally, and can transmitted electricity to cable using above system Journey occurs defeated inside cable caused by excessively high short circuit current, cable hull-skin temperature, the damage in Natural Damage or transportational process The Displacement-deformation amount of wire and cable outer surface, which changes, generates exposure so that the failures such as cable short circuit are judged and reported in time It is alert, and failure cable reason is judged according to the cable information of detection, conducive to the monitoring and maintenance of power transmission cable;Simultaneously tested GPS locator is set on cable, can detect that the position of tested cable, facilitates staff quickly to search when a failure occurs fixed The position of position failure cable, realizes the function of quickly positioning.
It is understood that same or similar part can mutually refer in the various embodiments described above, in some embodiments Unspecified content may refer to the same or similar content in other embodiments.
It should be noted that term " first ", " second " etc. are used for description purposes only in the description of the present invention, It is not understood to indicate or imply relative importance.In addition, in the description of the present invention, unless otherwise indicated, it is " more It is a " meaning refer at least two.
Any process described otherwise above or method description are construed as in flow chart or herein, and expression includes It is one or more for realizing specific logical function or process the step of executable instruction code module, segment or portion Point, and the range of preferred embodiments of the present invention includes other realization, wherein can not be by shown or discussion Sequence, including according to related function by it is basic simultaneously in the way of or in the opposite order, Lai Zhihang function, this should be by this The embodiment person of ordinary skill in the field of utility model is understood.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example Point is contained at least one embodiment or example of the utility model.In the present specification, to the schematic table of above-mentioned term Stating may not refer to the same embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be It can be combined in any suitable manner in any one or more embodiment or examples.
Although the embodiments of the present invention have been shown and described above, it is to be understood that above-described embodiment is Illustratively, it should not be understood as limiting the present invention, those skilled in the art are in the scope of the utility model Inside it can make changes, modifications, alterations, and variations to the above described embodiments.

Claims (10)

1. a kind of photovoltaic cable monitors system, which is characterized in that including central processing unit, the sensor being set on tested cable Group, monitoring device, signal alarm, power supply;
The sensor group includes current sensor, temperature sensor, displacement sensor;
The sensor group is used to detect the cable information of the tested cable;The cable information includes the tested cable The Displacement-deformation amount of load current, the hull-skin temperature of tested cable and the tested cable;The sensor group includes electric current Sensor, temperature sensor, displacement sensor;The load current is detected to obtain by the current sensor, the outer surface Temperature is detected to obtain by the temperature sensor, and the Displacement-deformation amount is detected to obtain by institute's displacement sensors;
The central processing unit, respectively with the current sensor, the temperature sensor, institute's displacement sensors, the letter Number alarm is connected, for receiving the load current, the hull-skin temperature and the Displacement-deformation amount;If the load Electric current is greater than default safe current, triggers the signal alarm and sends current failure alarm signal;If or the outer surface temperature Degree is greater than default safe temperature, triggers the signal alarm and sends heat alarm;If or the Displacement-deformation amount is greater than Safe deformation quantity is preset, the signal alarm is triggered and sends deformation alarm signal;
The central processing unit is also used to send the load current, the hull-skin temperature and the Displacement-deformation amount to described Monitoring device is shown;
The power supply, respectively with the central processing unit, the sensor group, the monitoring system, the signal alarm Device is connected, for powering for the central processing unit, the sensor group, the monitoring system, the signal alarm.
2. photovoltaic cable according to claim 1 monitors system, which is characterized in that the sensor group further include: voltage Sensor, the voltage sensor are used to detect the information of voltage of the tested cable, and the information of voltage is sent to institute State central processing unit.
3. photovoltaic cable according to claim 2 monitors system, which is characterized in that the central processing unit is also used to: being connect The information of voltage is received, if whether the information of voltage is greater than default safe voltage information, if so, triggering the signal alarm Send voltage alarm.
4. photovoltaic cable according to claim 1 monitors system, which is characterized in that the central processing unit includes that mode is known Other equipment determines fault type equipment and query display equipment;
The pattern recognition apparatus, the determining fault type equipment and the query display equipment are sequentially connected;The mode Identification equipment receives the cable information that the sensor group is sent, and carries out identifying that determining mode is known to the cable information Other information;The determining fault type equipment receives the pattern-recognition information that the pattern recognition apparatus is sent, and determines event Hinder type;The query display equipment receives the fault type that the determining fault type equipment is sent and shows, and root It is inquired according to the inquiry instruction that user inputs and shows the fault type;
The determining fault type equipment, is also connected with the signal alarm, and the fault type is sent to the letter Number alarm generates corresponding alarm signal;The alarm signal includes current failure alarm signal, heat alarm and deformation Alarm signal.
5. photovoltaic cable according to claim 1 monitors system, which is characterized in that further include: GPS locator, the GPS Locator is connected with the tested cable, the monitoring device respectively, the quilt for detecting the GPS locator The location information for surveying cable is sent to the monitoring device, so that the monitoring device shows the location information of tested cable.
6. photovoltaic cable according to claim 1 monitors system, which is characterized in that the central processing unit further include: deposit Reservoir, the memory is for storing and updating the cable information.
7. photovoltaic cable according to claim 1 monitors system, which is characterized in that the central processing unit and the sensing Device group is connected by wireless communication mode.
8. photovoltaic cable according to claim 7 monitors system, which is characterized in that the wireless communication mode includes bluetooth Communication mode or wireless communication mode.
9. photovoltaic cable according to claim 1 monitors system, which is characterized in that the temperature sensor is fiber grating Temperature sensor.
10. photovoltaic cable according to claim 1 monitors system, which is characterized in that the power supply is intelligent electric power storage Pond.
CN201821606444.XU 2018-09-29 2018-09-29 A kind of photovoltaic cable monitoring system Active CN209070007U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821606444.XU CN209070007U (en) 2018-09-29 2018-09-29 A kind of photovoltaic cable monitoring system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821606444.XU CN209070007U (en) 2018-09-29 2018-09-29 A kind of photovoltaic cable monitoring system

Publications (1)

Publication Number Publication Date
CN209070007U true CN209070007U (en) 2019-07-05

Family

ID=67093869

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201821606444.XU Active CN209070007U (en) 2018-09-29 2018-09-29 A kind of photovoltaic cable monitoring system

Country Status (1)

Country Link
CN (1) CN209070007U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110567516A (en) * 2019-08-28 2019-12-13 潘协印 automatic 500kV high-voltage cable fault identification system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110567516A (en) * 2019-08-28 2019-12-13 潘协印 automatic 500kV high-voltage cable fault identification system

Similar Documents

Publication Publication Date Title
CN107272525B (en) A kind of fault detector
WO2014154164A1 (en) Method and system for detecting and locating single-phase ground fault on low current grounded power-distribution network
CN110739772A (en) Intelligent power distribution operation and maintenance system
CN108767983A (en) A kind of the micromation intelligent on-line monitoring device and monitoring method of low-voltage distribution apparatus
CN105043441B (en) A kind of environmental monitoring system based on Beidou time service and location technology
CN107326934A (en) Intelligent well cover monitoring system based on Internet of Things
CN109613469A (en) A kind of electrical energy measurement monitoring running state management system and method
CN209623792U (en) A kind of wireless intelligent water meter
CN208209630U (en) A kind of the micromation intelligent on-line monitoring device and monitoring system of low-voltage distribution apparatus
CN209070007U (en) A kind of photovoltaic cable monitoring system
CN105490359A (en) Power supply management apparatus for electric vehicle
CN107991527A (en) A kind of anti-electricity-theft monitoring method of distribution line and system
CN213042384U (en) Intelligent anti-theft alarm device and system for overhead cable
CN208443955U (en) A kind of locomotive traction motor leak current detection device
CN207502579U (en) A kind of electric energy meter and unit-area management system
CN111262914A (en) Monitoring equipment and monitoring system for electric power well environment
CN105938359B (en) A kind of long-range control method monitoring generating set
CN215986418U (en) UPS battery parameter real-time acquisition analysis early warning system
CN206330560U (en) Transmission line of electricity real-time detection apparatus
CN108123829A (en) The charged fortune inspection multiplex roles intelligence platform of substation
CN106896247A (en) For the anti-electricity-theft detection means of electrical energy metering tank
CN113329089A (en) Remote power failure alarm system based on Internet of things
CN103604960A (en) Electricity utilization monitoring system and method
CN209559259U (en) A kind of ground pricker insert state monitoring device, pricker and ground pricker system
CN209103474U (en) A kind of anti-theft monitoring system for distribution terminal battery group

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant