CN111707913A - Partial discharge detection device of power switch cabinet - Google Patents
Partial discharge detection device of power switch cabinet Download PDFInfo
- Publication number
- CN111707913A CN111707913A CN202010565948.7A CN202010565948A CN111707913A CN 111707913 A CN111707913 A CN 111707913A CN 202010565948 A CN202010565948 A CN 202010565948A CN 111707913 A CN111707913 A CN 111707913A
- Authority
- CN
- China
- Prior art keywords
- module
- detection
- switch cabinet
- power switch
- data 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.)
- Pending
Links
- 238000001514 detection method Methods 0.000 title claims abstract description 195
- 238000012545 processing Methods 0.000 claims abstract description 76
- 230000005540 biological transmission Effects 0.000 claims abstract description 40
- 230000006855 networking Effects 0.000 claims description 12
- 230000005611 electricity Effects 0.000 claims description 6
- 230000001052 transient effect Effects 0.000 claims description 6
- QVFWZNCVPCJQOP-UHFFFAOYSA-N chloralodol Chemical compound CC(O)(C)CC(C)OC(O)C(Cl)(Cl)Cl QVFWZNCVPCJQOP-UHFFFAOYSA-N 0.000 claims description 3
- 238000004891 communication Methods 0.000 claims description 3
- 208000028659 discharge Diseases 0.000 description 43
- 230000000694 effects Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000015556 catabolic process Effects 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 230000005684 electric field Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/12—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
- G01R31/1209—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing using acoustic measurements
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/12—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/12—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
- G01R31/1218—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing using optical methods; using charged particle, e.g. electron, beams or X-rays
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Testing Relating To Insulation (AREA)
Abstract
The invention belongs to the technical field of discharge detection of power equipment, and particularly relates to a partial discharge detection device of a power switch cabinet; the system comprises a built-in detection device, a data processing and transmitting device and a terminal processing device, wherein the built-in detection device comprises a ground electric wave detection module, an ultrasonic detection module and a thermal infrared detection module; the data processing and transmitting device comprises a Bluetooth receiving module, and the Bluetooth receiving module is electrically connected with a data processing module and an Internet of things transmission module; the terminal processing device comprises an Internet of things receiving module, the Internet of things receiving module is electrically connected with an information management module, the information management module is electrically connected with an information output module, and the data processing and transmitting device and the terminal processing device are in wireless connection through the Internet of things transmitting module and the Internet of things receiving module; the invention can combine a plurality of detection methods, can automatically detect the partial discharge of the switch cabinet from the interior of the switch cabinet at any time, effectively improves the detection efficiency and reduces the error detection rate.
Description
Technical Field
The invention belongs to the technical field of discharge detection of power equipment, and particularly relates to a partial discharge detection device of a power switch cabinet.
Background
The switch cabinet is an electrical device mainly comprising a circuit breaker, and a manufacturer assembles related high and low voltage electrical appliances, a bus, a current-carrying conductor, an insulator and the like into a closed or open metal cabinet body according to the requirement of an electrical primary main wiring diagram to serve as a device for receiving and distributing electric energy in an electric power system; the power switch cabinet is an important infrastructure in an urban power distribution network, the running stability of the power switch cabinet directly influences the development of urban economy, and the quality of the standard of life of people is improved, so that the reliability of the switch cabinet equipment directly determines the reliability of power supply of users; during operation of the switch cabinet, the electric field intensity of each part of the switch cabinet is different, once the electric field intensity of a certain area reaches the breakdown strength of the area, a discharge phenomenon occurs in the area, however, the whole discharge process is not penetrated between two conductors applying voltage, namely, the insulation system is not broken down by discharge, the phenomenon is partial discharge, the switch cabinet is often unidentifiable by naked eyes and manual touch in the partial discharge stage, and if the switch cabinet is not processed for a long time, the breakdown strength of the serious discharge area can be reached, and a fault can occur; the operation of the switch cabinet is subjected to state maintenance by using related partial discharge detection equipment, so that problems can be found and maintained in time, and the normal operation of the system is prevented from being influenced by major faults; when carrying out the partial discharge detection of cubical switchboard at present, can only be detected each cubical switchboard in proper order by the handheld relevant check out test set of staff, detection efficiency is low, and can only follow the outside relevant signal that detects of cubical switchboard, and detection method is limited, can not use multiple detection method to combine together, and the testing capability is weak, and the error detection rate is high, and consequently, it is very necessary to provide one kind can carry out the partial discharge detection to it from the inside electric switch cabinet partial discharge detection device who carries out the partial discharge detection at any time of cubical switchboard automatically.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, and provides the partial discharge detection device of the power switch cabinet, which has a reasonable structure and convenient use, can be combined with various detection methods, can automatically detect partial discharge from the interior of the switch cabinet at any time, effectively improves the detection efficiency and reduces the error detection rate.
The purpose of the invention is realized as follows: a partial discharge detection device of a power switch cabinet comprises a built-in detection device, a data processing and transmission device and a terminal processing device, wherein the built-in detection device is arranged inside the power switch cabinet and comprises a ground electric wave detection module, an ultrasonic detection module and a thermal infrared detection module, and the ground electric wave detection module, the ultrasonic detection module and the thermal infrared detection module are electrically connected with a Bluetooth transmission module; the data processing and transmitting device comprises a Bluetooth receiving module, the Bluetooth receiving module is electrically connected with a data processing module, the data processing module is electrically connected with an Internet of things transmitting module, and the built-in detection device and the data processing and transmitting device are in wireless connection through the Bluetooth transmitting module and the Bluetooth receiving module; the terminal processing device comprises an Internet of things receiving module, the Internet of things receiving module is electrically connected with an information management module, the information management module is electrically connected with an information output module, and the data processing and transmission device and the terminal processing device are connected in a wireless mode through the Internet of things transmission module and the Internet of things receiving module.
The built-in detection devices arranged in a plurality of power switch cabinets in the same area are wirelessly connected with the same data processing and transmitting device, and the data processing and transmitting devices in different areas are wirelessly connected with the terminal processing device.
The data processing module comprises an analog-to-digital converter.
The transmission module of the internet of things and the receiving module of the internet of things are wireless transmission terminals of the internet of things based on a LoRa communication network.
The Internet of things transmission module and the Internet of things receiving module respectively comprise independent external rod-shaped antennas.
The information management module comprises a processor for analyzing and processing each detection data and a memory for storing each detection data and each detection log in a classified manner.
The information output module comprises a display device for displaying the detection result data, a printing device for printing the relevant detection result data and an alarm device.
The earth electric wave detection module comprises a transient earth voltage sensor, and the transient earth voltage sensor is connected with a guided wave antenna; the ultrasonic detection module comprises a plurality of ultrasonic sensors which are respectively arranged at the upper part, the middle part and the lower part in the power switch cabinet; the thermal infrared detection module comprises a pyroelectric infrared sensor and a Fresnel lens.
The invention has the beneficial effects that: the invention relates to a partial discharge detection device of a power switch cabinet, which mainly comprises a built-in detection device, a data processing and transmission device and a terminal processing device, wherein the built-in detection device is arranged in the power switch cabinet, an electric wave detection module can be used for directly detecting electromagnetic waves generated by partial discharge from the inside, so that the error detection of the electromagnetic waves caused by propagation attenuation is effectively avoided, an ultrasonic detection module is used for detecting ultrasonic waves generated by the partial discharge from a plurality of parts in the inside, a thermal infrared detection module is used for detecting the local temperature rise caused by the partial discharge from the inside, a Bluetooth transmission module transmits the detection result of each detection module to a data processing module through a Bluetooth receiving module, and the data processing module analyzes and transcodes the detection result and transmits the detection result to an information management module through an internet of things transmission module and an internet of things receiving module, the information management module records, analyzes and stores the detection result data, and can effectively improve the accuracy of the detection result, avoid missing detection and false detection and improve the detection efficiency by comprehensively comparing and analyzing the detection result and the historical detection result which use different detection methods at the same time; the information output module can also directly give an alarm through the sound-light alarm device for serious partial discharge events so as to remind the staff of timely processing; the invention has reasonable integral structure and convenient use, can be combined with various detection methods, can automatically detect partial discharge from the interior of the switch cabinet at any time, effectively improves the detection efficiency and reduces the error detection rate.
Drawings
Fig. 1 is a schematic structural diagram of a partial discharge detection device of a power switch cabinet according to the present invention.
Fig. 2 is a schematic structural diagram of a built-in detection device of a partial discharge detection device of a power switch cabinet according to the present invention.
Fig. 3 is a schematic structural diagram of a data processing and transmitting device of a partial discharge detection device of a power switch cabinet according to the present invention.
Fig. 4 is a schematic structural diagram of a terminal processing device of a partial discharge detection device of a power switch cabinet according to the present invention.
In the figure: 1. the system comprises a built-in detection device 2, a data processing and transmitting device 3, a terminal processing device 4, a ground electric wave detection module 5, an ultrasonic detection module 6, a thermal infrared detection module 7, a Bluetooth transmission module 8, an Internet of things transmission module 9, a data processing module 10, a Bluetooth receiving module 11, an Internet of things receiving module 12, an information management module 13 and an information output module.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
Example 1
As shown in fig. 1-4, a partial discharge detection device for a power switch cabinet comprises a built-in detection device 1, a data processing and transmission device 2 and a terminal processing device 3, wherein the built-in detection device 1 is arranged inside the power switch cabinet, the built-in detection device 1 comprises a ground electric wave detection module 4, an ultrasonic detection module 5 and a thermal infrared detection module 6, and the ground electric wave detection module 4, the ultrasonic detection module 5 and the thermal infrared detection module 6 are all electrically connected to a bluetooth transmission module 7; the data processing and transmitting device 2 comprises a Bluetooth receiving module 10, the Bluetooth receiving module 10 is electrically connected with a data processing module 9, the data processing module 9 is electrically connected with an Internet of things transmitting module 8, and the built-in detection device 1 and the data processing and transmitting device 2 are in wireless connection through the Bluetooth transmitting module 7 and the Bluetooth receiving module 10; terminal processing apparatus 3 is including thing networking receiving module 11, thing networking receiving module 11 electricity is connected with information management module 12, information management module 12 electricity is connected with information output module 13, data processing and transmission device 2 with terminal processing apparatus 3 passes through thing networking transmission module 8 with thing networking receiving module 11 realizes wireless connection.
The invention relates to a partial discharge detection device of a power switch cabinet, which mainly comprises a built-in detection device 1, a data processing and transmission device 2 and a terminal processing device 3, wherein the built-in detection device 1 is arranged in the power switch cabinet, electromagnetic waves generated by partial discharge can be directly detected from the inside through an electric wave detection module 4, error detection caused by propagation attenuation of the electromagnetic waves is effectively avoided, ultrasonic waves generated by the partial discharge are detected from a plurality of parts in the inside through an ultrasonic detection module 5, local temperature rise caused by the partial discharge is detected from the inside through a thermal infrared detection module 6, the detection results of all detection modules are transmitted to a data processing module 9 through a Bluetooth receiving module 10 by a Bluetooth transmission module 7, the detection results are analyzed and transcoded by the data processing module 9 and then transmitted to an information management module 12 through an internet of things transmission module 8 and an internet of things receiving module 11, the information management module records, analyzes and stores the detection result data, and can effectively improve the accuracy of the detection result, avoid missing detection and false detection and improve the detection efficiency by comprehensively comparing and analyzing the detection result and the historical detection result which use different detection methods at the same time; the worker can inquire the partial discharge detection result of each power switch cabinet through the information output module 13, and for a serious partial discharge event, the information output module 13 can also directly give an alarm through the sound-light alarm device to remind the worker to process in time; the invention has reasonable integral structure and convenient use, can be combined with various detection methods, can automatically detect partial discharge from the interior of the switch cabinet at any time, effectively improves the detection efficiency and reduces the error detection rate.
Example 2
As shown in fig. 1-4, a partial discharge detection device for a power switch cabinet comprises a built-in detection device 1, a data processing and transmission device 2 and a terminal processing device 3, wherein the built-in detection device 1 is arranged inside the power switch cabinet, the built-in detection device 1 comprises a ground electric wave detection module 4, an ultrasonic detection module 5 and a thermal infrared detection module 6, and the ground electric wave detection module 4, the ultrasonic detection module 5 and the thermal infrared detection module 6 are all electrically connected to a bluetooth transmission module 7; the data processing and transmitting device 2 comprises a Bluetooth receiving module 10, the Bluetooth receiving module 10 is electrically connected with a data processing module 9, the data processing module 9 is electrically connected with an Internet of things transmitting module 8, and the built-in detection device 1 and the data processing and transmitting device 2 are in wireless connection through the Bluetooth transmitting module 7 and the Bluetooth receiving module 10; terminal processing apparatus 3 is including thing networking receiving module 11, thing networking receiving module 11 electricity is connected with information management module 12, information management module 12 electricity is connected with information output module 13, data processing and transmission device 2 with terminal processing apparatus 3 passes through thing networking transmission module 8 with thing networking receiving module 11 realizes wireless connection.
For better effect, the built-in detection devices 1 arranged in the plurality of power switch cabinets in the same area are wirelessly connected with the same data processing and transmitting device 2, and the plurality of data processing and transmitting devices 2 in different areas are wirelessly connected with the terminal processing device 3, so that the number of wireless connection points in the device can be effectively reduced, the efficiency is improved, and the cost is reduced.
For better effect, the data processing module 9 includes an analog-to-digital converter, and can convert the detection results of the earth electric wave detection module 4, the ultrasonic detection module 5 and the thermal infrared detection module 6 from analog signals to digital signals, so as to improve transmission efficiency and safety.
For better effect, the internet of things transmission module 8 and the internet of things receiving module 11 are wireless transmission terminals of the internet of things based on the LoRa communication network, and can be further than other wireless transmission methods under the same power consumption condition.
For better effect, the transmission module 8 of the internet of things and the receiving module 11 of the internet of things both comprise independent external rod-shaped antennas, so that the transmission efficiency and stability are improved, debugging is not needed, and the maintenance and the replacement are convenient.
For better effect, the information management module 12 includes a processor for analyzing and processing each detection data and a memory for storing each detection data and detection log in a classified manner, so that checking and analyzing of different detection methods and historical detection data can be realized, and detection efficiency and detection capability are improved.
For better effect, the information output module 13 includes a display device for displaying the detection result data, a printing device for printing the relevant detection result data, and an alarm device, so as to provide the detection result for the staff, and remind the staff of responding to the emergency in time.
For better effect, the ground wave detection module 4 includes a transient ground voltage sensor, and a guided wave antenna is connected to the transient ground voltage sensor; the ultrasonic detection module 5 comprises a plurality of ultrasonic sensors which are respectively arranged at the upper part, the middle part and the lower part in the power switch cabinet; the thermal infrared detection module 6 comprises a pyroelectric infrared sensor and a Fresnel lens, the detection of the same power switch cabinet is realized by different detection methods through different detection modules, the detection efficiency is improved by the contrastive analysis of detection results, and the omission detection and the false detection are avoided.
The invention relates to a partial discharge detection device of a power switch cabinet, which mainly comprises a built-in detection device 1, a data processing and transmission device 2 and a terminal processing device 3, wherein the built-in detection device 1 is arranged in the power switch cabinet, electromagnetic waves generated by partial discharge can be directly detected from the inside through an electric wave detection module 4, error detection caused by propagation attenuation of the electromagnetic waves is effectively avoided, ultrasonic waves generated by the partial discharge are detected from a plurality of parts in the inside through an ultrasonic detection module 5, local temperature rise caused by the partial discharge is detected from the inside through a thermal infrared detection module 6, the detection results of all detection modules are transmitted to a data processing module 9 through a Bluetooth receiving module 10 by a Bluetooth transmission module 7, the detection results are analyzed and transcoded by the data processing module 9 and then transmitted to an information management module 12 through an internet of things transmission module 8 and an internet of things receiving module 11, the information management module records, analyzes and stores the detection result data, and can effectively improve the accuracy of the detection result, avoid missing detection and false detection and improve the detection efficiency by comprehensively comparing and analyzing the detection result and the historical detection result which use different detection methods at the same time; the worker can inquire the partial discharge detection result of each power switch cabinet through the information output module 13, and for a serious partial discharge event, the information output module 13 can also directly give an alarm through the sound-light alarm device to remind the worker to process in time; the invention has reasonable integral structure and convenient use, can be combined with various detection methods, can automatically detect partial discharge from the interior of the switch cabinet at any time, effectively improves the detection efficiency and reduces the error detection rate.
Claims (8)
1. The utility model provides a partial discharge detection device of power switch cabinet which characterized in that: the intelligent power switch cabinet comprises a built-in detection device (1), a data processing and transmission device (2) and a terminal processing device (3), wherein the built-in detection device (1) is arranged inside the power switch cabinet, the built-in detection device (1) comprises a ground electric wave detection module (4), an ultrasonic detection module (5) and a thermal infrared detection module (6), and the ground electric wave detection module (4), the ultrasonic detection module (5) and the thermal infrared detection module (6) are all electrically connected to a Bluetooth transmission module (7); the data processing and transmitting device (2) comprises a Bluetooth receiving module (10), the Bluetooth receiving module (10) is electrically connected with a data processing module (9), the data processing module (9) is electrically connected with an Internet of things transmitting module (8), and the built-in detection device (1) and the data processing and transmitting device (2) are in wireless connection through the Bluetooth transmitting module (7) and the Bluetooth receiving module (10); terminal processing apparatus (3) is including thing networking receiving module (11), thing networking receiving module (11) electricity is connected with information management module (12), information management module (12) electricity is connected with information output module (13), data processing and transmission device (2) with terminal processing apparatus (3) pass through thing networking transmission module (8) with thing networking receiving module (11) realize wireless connection.
2. The partial discharge detection device of an electric power switch cabinet as claimed in claim 1, characterized in that: the built-in detection devices (1) arranged in a plurality of power switch cabinets in the same area are wirelessly connected with the same data processing and transmitting device (2), and the data processing and transmitting devices (2) in different areas are wirelessly connected with the terminal processing device (3).
3. The partial discharge detection device of an electric power switch cabinet as claimed in claim 1, characterized in that: the data processing module (9) comprises an analog-to-digital converter.
4. The partial discharge detection device of an electric power switch cabinet as claimed in claim 1, characterized in that: the internet of things transmission module (8) and the internet of things receiving module (11) are internet of things wireless transmission terminals based on a LoRa communication network.
5. The partial discharge detection device of an electric power switch cabinet as claimed in claim 1, characterized in that: the transmission module (8) of the Internet of things and the receiving module (11) of the Internet of things both comprise independent external rod-shaped antennas.
6. The partial discharge detection device of an electric power switch cabinet as claimed in claim 1, characterized in that: the information management module (12) comprises a processor for analyzing and processing each detection data and a memory for storing each detection data and each detection log in a classified manner.
7. The partial discharge detection device of an electric power switch cabinet as claimed in claim 1, characterized in that: the information output module (13) comprises a display device for displaying the detection result data, a printing device for printing the relevant detection result data and an alarm device.
8. The partial discharge detection device of an electric power switch cabinet as claimed in claim 1, characterized in that: the ground electric wave detection module (4) comprises a transient ground voltage sensor, and a guided wave antenna is connected to the transient ground voltage sensor; the ultrasonic detection module (5) comprises a plurality of ultrasonic sensors which are respectively arranged at the upper part, the middle part and the lower part in the power switch cabinet; the thermal infrared detection module (6) comprises a pyroelectric infrared sensor and a Fresnel lens.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010565948.7A CN111707913A (en) | 2020-06-19 | 2020-06-19 | Partial discharge detection device of power switch cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010565948.7A CN111707913A (en) | 2020-06-19 | 2020-06-19 | Partial discharge detection device of power switch cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111707913A true CN111707913A (en) | 2020-09-25 |
Family
ID=72541279
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010565948.7A Pending CN111707913A (en) | 2020-06-19 | 2020-06-19 | Partial discharge detection device of power switch cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111707913A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113075506A (en) * | 2021-03-26 | 2021-07-06 | 云南电网有限责任公司电力科学研究院 | GIS abnormal heating monitoring system based on SiPM sensor |
| CN113484698A (en) * | 2021-05-21 | 2021-10-08 | 国网浙江省电力有限公司湖州供电公司 | Partial discharge detection system based on environmental data feedback |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR920017023U (en) * | 1991-02-15 | 1992-09-17 | ||
| CN106324449A (en) * | 2015-07-01 | 2017-01-11 | 云南电网有限责任公司昆明供电局 | Partial discharge inspection system of portable switch cabinet |
| CN107947372A (en) * | 2017-12-22 | 2018-04-20 | 广州思泰信息技术有限公司 | Internet of Things status of electric power detecting system is communicated based on LoRa |
| CN108710074A (en) * | 2018-08-21 | 2018-10-26 | 广西电网有限责任公司电力科学研究院 | A kind of partial discharge of switchgear detecting system based on Radio Transmission Technology |
| CN209690449U (en) * | 2019-02-19 | 2019-11-26 | 福建聚实新能源科技有限公司 | Local discharge on-line monitoring device and system based on ubiquitous electric power Internet of Things |
| CN110850224A (en) * | 2019-12-11 | 2020-02-28 | 国网安徽省电力有限公司蚌埠供电公司 | Outdoor distribution box safety on-line monitoring system based on Internet of things |
| CN210348268U (en) * | 2019-08-28 | 2020-04-17 | 福州亿隆兴电气有限公司 | High tension switchgear management system based on thing networking |
| CN111272225A (en) * | 2020-03-04 | 2020-06-12 | 四川瑞霆电力科技有限公司 | Switch cabinet comprehensive state monitoring system |
-
2020
- 2020-06-19 CN CN202010565948.7A patent/CN111707913A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR920017023U (en) * | 1991-02-15 | 1992-09-17 | ||
| CN106324449A (en) * | 2015-07-01 | 2017-01-11 | 云南电网有限责任公司昆明供电局 | Partial discharge inspection system of portable switch cabinet |
| CN107947372A (en) * | 2017-12-22 | 2018-04-20 | 广州思泰信息技术有限公司 | Internet of Things status of electric power detecting system is communicated based on LoRa |
| CN108710074A (en) * | 2018-08-21 | 2018-10-26 | 广西电网有限责任公司电力科学研究院 | A kind of partial discharge of switchgear detecting system based on Radio Transmission Technology |
| CN209690449U (en) * | 2019-02-19 | 2019-11-26 | 福建聚实新能源科技有限公司 | Local discharge on-line monitoring device and system based on ubiquitous electric power Internet of Things |
| CN210348268U (en) * | 2019-08-28 | 2020-04-17 | 福州亿隆兴电气有限公司 | High tension switchgear management system based on thing networking |
| CN110850224A (en) * | 2019-12-11 | 2020-02-28 | 国网安徽省电力有限公司蚌埠供电公司 | Outdoor distribution box safety on-line monitoring system based on Internet of things |
| CN111272225A (en) * | 2020-03-04 | 2020-06-12 | 四川瑞霆电力科技有限公司 | Switch cabinet comprehensive state monitoring system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113075506A (en) * | 2021-03-26 | 2021-07-06 | 云南电网有限责任公司电力科学研究院 | GIS abnormal heating monitoring system based on SiPM sensor |
| CN113484698A (en) * | 2021-05-21 | 2021-10-08 | 国网浙江省电力有限公司湖州供电公司 | Partial discharge detection system based on environmental data feedback |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202066606U (en) | Intelligent temperature-measuring and current-measuring contact arm for circuit breaker and analysic system thereof | |
| CN202693740U (en) | GIS (Geographic Information System) partial discharge online monitoring comprehensive processing unit | |
| CN209446711U (en) | High-tension cable is cross interconnected and insulated on-line monitoring system | |
| CN112629684A (en) | Temperature on-line monitoring and early warning prediction system for switch cabinet | |
| CN111707913A (en) | Partial discharge detection device of power switch cabinet | |
| CN204349328U (en) | A kind of SF6 gas-insulated ring network cabinet with local discharge on-line monitoring device | |
| CN203149066U (en) | Distributed on-line insulation monitoring device for electrical network operation equipment | |
| CN108594093A (en) | Partial discharge of switchgear monitors superfrequency Intelligent sensing device and method for sensing on-line | |
| CN116647049A (en) | Comprehensive monitoring system for switch cabinet | |
| CN109412899A (en) | Centralized receiving display system | |
| CN105510769A (en) | Power distribution network single-phase ground fault indicator | |
| CN214845588U (en) | Comprehensive state monitoring device for transformer substation switch cabinet | |
| CN116973680A (en) | Low-current grounding line selection device, system and fault line investigation method | |
| CN206193160U (en) | Direct current equipment frame insulation monitoring and warning device among subway direct current traction power supply system | |
| CN203191496U (en) | RS485 bus based distributed power grid operating equipment insulation online monitoring device | |
| CN209134435U (en) | Centralized receiving display system | |
| CN212568989U (en) | Box-type substation signal simulation test platform | |
| CN108802579A (en) | A kind of system for monitoring ring main unit on-line | |
| CN211147878U (en) | Wireless temperature measuring device for cable connector of switch cabinet | |
| CN211979137U (en) | High-voltage circuit breaker arc extinguishing live detection system based on radiation electromagnetic wave | |
| CN203204767U (en) | Contact type wireless temperature measurement and electrical fire detection system | |
| CN103532239A (en) | On-line teletransmission display and alarm device for power operation equipment | |
| CN203522336U (en) | Power operation equipment on-line remote display and alarm device | |
| CN209069331U (en) | A kind of power distribution room operational system based on Internet of Things | |
| CN208653658U (en) | Novel electrical contact temperature on-Line Monitor Device based on wireless sensor network |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |