CN105606227A - Electric high voltage switch cabinet thermal fault thermal imaging wireless remote control alarm device and application method - Google Patents
Electric high voltage switch cabinet thermal fault thermal imaging wireless remote control alarm device and application method Download PDFInfo
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- CN105606227A CN105606227A CN201610087927.2A CN201610087927A CN105606227A CN 105606227 A CN105606227 A CN 105606227A CN 201610087927 A CN201610087927 A CN 201610087927A CN 105606227 A CN105606227 A CN 105606227A
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- 238000001931 thermography Methods 0.000 title claims abstract description 177
- 238000000034 method Methods 0.000 title claims abstract description 9
- 239000000835 fiber Substances 0.000 claims abstract description 8
- 238000012545 processing Methods 0.000 claims abstract description 5
- 239000013307 optical fiber Substances 0.000 claims description 14
- 238000003384 imaging method Methods 0.000 claims description 11
- 230000005540 biological transmission Effects 0.000 claims description 8
- 238000004891 communication Methods 0.000 claims description 6
- 238000001228 spectrum Methods 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 238000012546 transfer Methods 0.000 claims description 3
- 238000001514 detection method Methods 0.000 abstract 1
- 230000003449 preventive effect Effects 0.000 abstract 1
- 238000013021 overheating Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009529 body temperature measurement Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- GOLXNESZZPUPJE-UHFFFAOYSA-N spiromesifen Chemical compound CC1=CC(C)=CC(C)=C1C(C(O1)=O)=C(OC(=O)CC(C)(C)C)C11CCCC1 GOLXNESZZPUPJE-UHFFFAOYSA-N 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
- G01J5/0096—Radiation pyrometry, e.g. infrared or optical thermometry for measuring wires, electrical contacts or electronic systems
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/18—Status alarms
- G08B21/182—Level alarms, e.g. alarms responsive to variables exceeding a threshold
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
- G01J2005/0077—Imaging
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- General Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
- Radiation Pyrometers (AREA)
Abstract
The invention relates to an electric high voltage switch cabinet thermal fault thermal imaging wireless remote control alarm device and an application method. The alarm device comprises an electric high voltage switch cabinet, an infrared thermal imaging device, a wireless sending device, a wireless reception device and an intelligent thermal imaging alarm device, wherein the electric high voltage switch cabinet is internally equipped with electric high voltage equipment, the infrared thermal imaging device comprises an infrared thermal imaging camera arranged in an electric high voltage switch cabinet casing, an infrared thermal imaging processing arranged in a transformer station main control room and an infrared thermal imaging display, the infrared thermal imaging camera is connected with the wireless sending device through fiber, the infrared thermal imaging processor and the infrared thermal imaging display are connected with the wireless reception device through fiber, and the intelligent thermal imaging alarm device comprises a controller connected with the infrared thermal imaging processor and an alarm device connected with the controller. According to the alarm device, infrared thermal fault detection on the electric high voltage equipment in the electric high voltage switch cabinet is realized through infrared thermal imaging, and working staff are timely prompted to adopt preventive measures.
Description
Technical field
The present invention relates to online temperature monitoring and the temperature alarm, particularly a kind of power high voltage switch cubicle hot stall thermal imaging wireless remote control alarm and application process of power high voltage equipment in power high voltage switch cubicle.
Background technology
The most of transformer stations of existing power system are unattended operation transformer station, general all away from the master-control room of Attended mode, outside the hundreds of km distance in many strange lands even in the distance. breaker in unattended operation transformer station power high voltage switch cubicle, transformer, arrester, isolating switch, high-voltage connection, the power high voltage equipment such as bus bar are in operation, due to electricity, magnetic action, can produce heat, increase at load especially, contact bad, or when equipment generation overheating fault, heat can sharply rise, owing in switch cabinet being hermetically enclosed small space, radiating condition is poor, as found not in time and processing, can cause power high voltage equipment generation overheating fault aggravation in power high voltage switch cubicle, even cause equipment burnout, have a strong impact on the serious accident of electric power netting safe running.
Show the thermal surveillance excessively of the power high voltage equipment in unattended operation transformer station power high voltage switch cubicle, the one, the outside of the unattended operation transformer station power high voltage switch cubicle of regularly sending someone to send a car has or not to damage range estimation and listen to and has or not discharging sound, the 2nd, adopt power high voltage switch cubicle is had a power failure and turns inspecting state, again power high voltage equipment in cabinet is carried out to D.C. resistance test, this is to be high voltage because of the interior power high voltage equipment of the cabinet that is hermetically enclosed operation in switch cubicle, in servicely forbid to open cabinet door, for the thermal surveillance of crossing of power equipment in the unattended operation transformer station power high voltage switch cubicle of strange land, a distant place, so far there is no effective on-line continuous LINE REAL TIME MONITORING and warning device.
A kind of Intelligent hot imaging wireless remote control alarm of power high voltage switch cubicle hot stall can carry out online continuously non-contacting infrared thermal imaging to the power high voltage equipment moving in power high voltage switch cubicle and monitor, infrared thermal imaging camera by thermal imaging vision signal by radio receiver-transmitter and optical fibre transmission infrared thermal imaging display and the infrared thermal imaging processor on backstage in strange land Attended mode master-control room afield, in the infrared thermal imaging display power high voltage switch cubicle that the online transmission of demonstration infrared thermal imaging camera in real time comes on screen, power high voltage equipment thermal imaging video figure in service and detailed Temperature Distribution and thermograde show, infrared thermal imaging processor will be resent to the PLC controller in Based Intelligent Control wireless remote-controlled alarm system by transmitting after the video electrical signal coming converts data signal to, PLC controller is analysed and compared to the thermal imaging data signal receiving by the program of prior design programming, when certain power high voltage equipment in power high voltage switch cubicle or high-voltage conducting wires, wire clamp, it is overheated that joint occurs, when its temperature rise thermograph spectrum signal exceedes settings, the action of PLC controller automatic control warner, and can be according to overheated light and heavy degree, it is slightly overheated to send respectively, the warning of reporting to the police of the overheated and serious overheated difference of moderate, safety and the economical operation of powerful guarantee power high voltage switch cubicle power high voltage equipment.
Summary of the invention
The object of the present invention is to provide a kind of power high voltage switch cubicle hot stall thermal imaging wireless remote control alarm and application process, by infrared thermal imaging, the power high voltage equipment in power high voltage switch cubicle is carried out to infra-red heat fault detect, and can remind in time staff to adopt the precautionary measures.
For achieving the above object, technical scheme of the present invention is: a kind of power high voltage switch cubicle hot stall thermal imaging wireless remote control alarm, comprises power high voltage switch cubicle, infrared thermal imaging device, wireless base station apparatus, radio receiver, Intelligent hot imaging warning device, described power high voltage switch cubicle comprises the metal shell of sealing, power high voltage equipment is installed in this shell and is comprised handcart circuit breaker, isolating switch, transformer, arrester, high-voltage connection, busbar line, outlet cable, described isolating switch is connected with arrester, outlet cable through transformer by high-voltage connection, and described isolating switch is also connected with described busbar line, described infrared thermal imaging device comprises the infrared thermal imaging camera that is installed in power high voltage switch board housing, is installed on infrared thermal imaging processor and infrared thermal imaging display in transformer station's master-control room, described infrared thermal imaging camera is connected with wireless base station apparatus by optical fiber, and described infrared thermal imaging processor is connected with radio receiver by optical fiber with infrared thermal imaging display, described Intelligent hot imaging warning device comprises the controller being connected with described infrared thermal imaging processor and the alarm being connected with described controller, described infrared thermal imaging camera carries out infrared thermal imaging shooting to the power high voltage equipment in power high voltage switch board housing, and the infrared thermal imaging signal of shooting is transmitted through the fiber to wireless base station apparatus is sent to radio receiver, by optical fiber, infrared thermal imaging signal is transferred to infrared thermal imaging display and infrared thermal imaging processor by radio receiver again, infrared thermal imaging display shows the infrared thermal imaging figure of power high voltage equipment in real time, infrared thermal imaging processor transfers to controller after infrared thermal imaging signal is converted to data signal, controller is analyzed the infrared thermal imaging data signal receiving, judge whether power high voltage equipment hot stall occurs, and whether control alarm equipment alarm.
In an embodiment of the present invention, described controller is PLC processor.
In an embodiment of the present invention, described alarm is one or more the combination in buzzer, loudspeaker, flash lamp.
In an embodiment of the present invention, described infrared thermal imaging camera at least arranges one.
In an embodiment of the present invention, described wireless base station apparatus allows the infrared thermal imaging signal that is transmitted power high voltage equipment in next switch cubicle by infrared thermal imaging camera frequency band by home control network communication protocol, is emitted to the radio system in transformer station's master-control room.
In an embodiment of the present invention, described controller sets in advance the temperature rise collection of illustrative plates for different power high voltage equipment, so that controller analyzes according to the infrared thermal imaging data signal that receives, thereby judge whether power high voltage equipment hot stall occurs, and whether control alarm equipment alarm.
The present invention also provides a kind of application process based on power high voltage switch cubicle hot stall thermal imaging wireless remote control alarm described above, comprises the steps,
1) turns on power high-tension switch cabinet hot stall thermal imaging wireless remote control alarm, infrared thermal imaging camera start in power high voltage switch cubicle about the power high voltage equipment of operation carries out infrared thermal imaging shooting, form infrared thermal imaging signal;
2) infrared thermal imaging signal is transmitted through the fiber to wireless base station apparatus by infrared thermal imaging camera;
3) wireless base station apparatus is the frequency band that is transmitted the infrared thermal imaging signal of power high voltage equipment that comes by infrared thermal imaging camera and allow by home control network communication protocol, be emitted in transformer station's master-control room radio receiver;
4) radio receiver is delivered to infrared thermal imaging display and infrared thermal imaging processor by optical fiber transmission respectively by the infrared thermal imaging signal receiving;
5) infrared thermal imaging display shows in real time power high voltage equipment thermal imaging video in service and detailed Temperature Distribution and thermograde situation in power high voltage switch cubicle on screen, monitors and analyzes for operations staff;
6) infrared thermal imaging processor converts by transmitted the infrared thermal imaging signal coming by infrared thermal imaging camera the controller that is resent to Intelligent hot imaging alarm after data signal to;
7) controller sets in advance the standard temperature rise video collection of illustrative plates for the thermal imaging of different power high voltage equipment in power high voltage switch cubicle, and receives the infrared thermal imaging data signal of being come by the infrared thermal imaging processor transmission processing of analysing and comparing;
8) the power high voltage equipment in power high voltage switch cubicle or high-voltage conducting wires, wire clamp, that joint occurs is overheated, when its temperature rise thermal imaging video figure spectrum signal exceedes settings, the action of controller automatic control warner, sends sound and light alarm signal.
Compared to prior art, the present invention has following beneficial effect: the present invention can be by infrared thermal imaging camera to the breaker in power high voltage switch cubicle, transformer, arrester, isolating switch, high-voltage connection, the power high voltage equipment such as bus bar carry out the overheating fault of the continuous temperature measurement on-line of noncontact and equipment and report to the police, PLC controller is according to the various kinds of equipment thermal imaging video standard collection of illustrative plates software of programming setting in advance, the transmit equipment infrared thermal imaging video figure signal coming is analyzed to judgement, comparison is processed, when certain power high voltage equipment in power high voltage switch cubicle or high-voltage conducting wires, wire clamp, it is overheated that joint occurs, when its temperature rise thermal imaging vision signal exceedes settings, the action of PLC controller automatic control warner, carry out sound and light alarm warning, remind in time staff to adopt the precautionary measures, to lean on eyes range estimation with conventional electric power high-tension switch cabinet power high voltage apparatus overheat fault, ear is listened and high-tension apparatus is had a power failure and turns the method that D.C. resistance test is carried out in maintenance, maybe to wait until that apparatus overheat fault seriously develops into overheated high-tension apparatus electricity, when magnetic protection action, compare, there is huge advantage.
Brief description of the drawings
Fig. 1 is the power high voltage layout of equipment in power high voltage switch cubicle of the present invention.
Fig. 2 is the Intelligent hot imaging wireless remote control alarm fundamental diagram of power high voltage switch cubicle hot stall of the present invention.
In figure: 1-power high voltage switch cubicle; 2-infrared thermal imaging camera; 3-infrared ray; 4-handcart circuit breaker switching device; 5-high-voltage connection; 6-static contact isolation switch device; 7-transformer; 8-arrester; 9, optical fiber; 10-display; 11-PLC controller; 12-alarm; 13-grounding switch; 14, bus bar; 15, outlet cable; 16, infrared thermal imaging processor; 17, wireless base station apparatus; 18, radio wave; 19, radio receiver.
Detailed description of the invention
Below in conjunction with accompanying drawing, technical scheme of the present invention is specifically described.
As shown in Figure 1-2, a kind of power high voltage switch cubicle hot stall thermal imaging wireless remote control alarm of the present invention, comprises power high voltage switch cubicle, infrared thermal imaging device, wireless base station apparatus, radio receiver, Intelligent hot imaging warning device, described power high voltage switch cubicle comprises the metal shell of sealing, power high voltage equipment is installed in this shell and is comprised handcart circuit breaker, isolating switch, transformer, arrester, high-voltage connection, busbar line, outlet cable, described isolating switch is connected with arrester, outlet cable through transformer by high-voltage connection, and described isolating switch is also connected with described busbar line, described infrared thermal imaging device comprises the infrared thermal imaging camera that is installed in power high voltage switch board housing, is installed on infrared thermal imaging processor and infrared thermal imaging display in transformer station's master-control room, described infrared thermal imaging camera is connected with wireless base station apparatus by optical fiber, and described infrared thermal imaging processor is connected with radio receiver by optical fiber with infrared thermal imaging display, described Intelligent hot imaging warning device comprises the controller being connected with described infrared thermal imaging processor and the alarm being connected with described controller, described infrared thermal imaging camera carries out infrared thermal imaging shooting to the power high voltage equipment in power high voltage switch board housing, and the infrared thermal imaging signal of shooting is transmitted through the fiber to wireless base station apparatus is sent to radio receiver, by optical fiber, infrared thermal imaging signal is transferred to infrared thermal imaging display and infrared thermal imaging processor by radio receiver again, infrared thermal imaging display shows the infrared thermal imaging figure of power high voltage equipment in real time, infrared thermal imaging processor transfers to controller after infrared thermal imaging signal is converted to data signal, controller is analyzed the infrared thermal imaging data signal receiving, judge whether power high voltage equipment hot stall occurs, and whether control alarm equipment alarm.
Described controller is PLC processor or other control chips. Described alarm is one or more the combination in buzzer, loudspeaker, flash lamp. Described infrared thermal imaging camera at least arranges one. Described wireless base station apparatus allows the infrared thermal imaging signal that is transmitted power high voltage equipment in next switch cubicle by infrared thermal imaging camera frequency band by home control network communication protocol, is emitted to the radio system in transformer station's master-control room. Described controller sets in advance the temperature rise collection of illustrative plates for different power high voltage equipment, so that controller analyzes according to the infrared thermal imaging data signal that receives, thereby judges whether power high voltage equipment hot stall occurs, and whether controls alarm equipment alarm.
The present invention also provides a kind of application process based on power high voltage switch cubicle hot stall thermal imaging wireless remote control alarm described above, comprises the steps,
1) turns on power high-tension switch cabinet hot stall thermal imaging wireless remote control alarm, infrared thermal imaging camera start in power high voltage switch cubicle about the power high voltage equipment of operation carries out infrared thermal imaging shooting, form infrared thermal imaging signal;
2) infrared thermal imaging signal is transmitted through the fiber to wireless base station apparatus by infrared thermal imaging camera;
3) wireless base station apparatus is the frequency band that is transmitted the infrared thermal imaging signal of power high voltage equipment that comes by infrared thermal imaging camera and allow by home control network communication protocol, be emitted in transformer station's master-control room radio receiver;
4) radio receiver is delivered to infrared thermal imaging display and infrared thermal imaging processor by optical fiber transmission respectively by the infrared thermal imaging signal receiving;
5) infrared thermal imaging display shows in real time power high voltage equipment thermal imaging video in service and detailed Temperature Distribution and thermograde situation in power high voltage switch cubicle on screen, monitors and analyzes for operations staff;
6) infrared thermal imaging processor converts by transmitted the infrared thermal imaging signal coming by infrared thermal imaging camera the controller that is resent to Intelligent hot imaging alarm after data signal to;
7) controller sets in advance the standard temperature rise video collection of illustrative plates for the thermal imaging of different power high voltage equipment in power high voltage switch cubicle, and receives the infrared thermal imaging data signal of being come by the infrared thermal imaging processor transmission processing of analysing and comparing;
8) the power high voltage equipment in power high voltage switch cubicle or high-voltage conducting wires, wire clamp, that joint occurs is overheated, when its temperature rise thermal imaging video figure spectrum signal exceedes settings, the action of controller automatic control warner, sends sound and light alarm signal;
9) in the time that power high voltage device temperature is down to below settings in switch cubicle, automatically terminate alarm signal.
Be more than preferred embodiment of the present invention, all changes of doing according to technical solution of the present invention, when the function producing does not exceed the scope of technical solution of the present invention, all belong to protection scope of the present invention.
Claims (7)
1. a power high voltage switch cubicle hot stall thermal imaging wireless remote control alarm, is characterized in that: comprise power high voltage switch cubicle, infrared thermal imaging device, wireless base station apparatus, radio receiver, Intelligent hot imaging warning device, described power high voltage switch cubicle comprises the metal shell of sealing, power high voltage equipment is installed in this shell and is comprised handcart circuit breaker, isolating switch, transformer, arrester, high-voltage connection, busbar line, outlet cable, described isolating switch is connected with arrester, outlet cable through transformer by high-voltage connection, and described isolating switch is also connected with described busbar line, described infrared thermal imaging device comprises the infrared thermal imaging camera that is installed in power high voltage switch board housing, is installed on infrared thermal imaging processor and infrared thermal imaging display in transformer station's master-control room, described infrared thermal imaging camera is connected with wireless base station apparatus by optical fiber, and described infrared thermal imaging processor is connected with radio receiver by optical fiber with infrared thermal imaging display, described Intelligent hot imaging warning device comprises the controller being connected with described infrared thermal imaging processor and the alarm being connected with described controller, described infrared thermal imaging camera carries out infrared thermal imaging shooting to the power high voltage equipment in power high voltage switch board housing, and the infrared thermal imaging signal of shooting is transmitted through the fiber to wireless base station apparatus is sent to radio receiver, by optical fiber, infrared thermal imaging signal is transferred to infrared thermal imaging display and infrared thermal imaging processor by radio receiver again, infrared thermal imaging display shows the infrared thermal imaging figure of power high voltage equipment in real time, infrared thermal imaging processor transfers to controller after infrared thermal imaging signal is converted to data signal, controller is analyzed the infrared thermal imaging data signal receiving, judge whether power high voltage equipment hot stall occurs, and whether control alarm equipment alarm.
2. power high voltage switch cubicle hot stall thermal imaging wireless remote control alarm according to claim 1, is characterized in that: described controller is PLC processor.
3. power high voltage switch cubicle hot stall thermal imaging wireless remote control alarm according to claim 1, is characterized in that: described alarm is one or more the combination in buzzer, loudspeaker, flash lamp.
4. power high voltage switch cubicle hot stall thermal imaging wireless remote control alarm according to claim 1, is characterized in that: described infrared thermal imaging camera at least arranges one.
5. power high voltage switch cubicle hot stall thermal imaging wireless remote control alarm according to claim 1, it is characterized in that: described wireless base station apparatus allows the infrared thermal imaging signal that is transmitted power high voltage equipment in next switch cubicle by infrared thermal imaging camera frequency band by home control network communication protocol, is emitted to the radio system in transformer station's master-control room.
6. power high voltage switch cubicle hot stall thermal imaging wireless remote control alarm according to claim 1, it is characterized in that: described controller sets in advance the temperature rise collection of illustrative plates for different power high voltage equipment, so that controller is analyzed according to the infrared thermal imaging data signal receiving, thereby judge whether power high voltage equipment hot stall occurs, and whether control alarm equipment alarm.
7. the application process based on power high voltage switch cubicle hot stall thermal imaging wireless remote control alarm described in claim 1-6, is characterized in that: comprises the steps,
1) turns on power high-tension switch cabinet hot stall thermal imaging wireless remote control alarm, infrared thermal imaging camera start in power high voltage switch cubicle about the power high voltage equipment of operation carries out infrared thermal imaging shooting, form infrared thermal imaging signal;
2) infrared thermal imaging signal is transmitted through the fiber to wireless base station apparatus by infrared thermal imaging camera;
3) wireless base station apparatus is the frequency band that is transmitted the infrared thermal imaging signal of power high voltage equipment that comes by infrared thermal imaging camera and allow by home control network communication protocol, be emitted in transformer station's master-control room radio receiver;
4) radio receiver is delivered to infrared thermal imaging display and infrared thermal imaging processor by optical fiber transmission respectively by the infrared thermal imaging signal receiving;
5) infrared thermal imaging display shows in real time power high voltage equipment thermal imaging video in service and detailed Temperature Distribution and thermograde situation in power high voltage switch cubicle on screen, monitors and analyzes for operations staff;
6) infrared thermal imaging processor converts by transmitted the infrared thermal imaging signal coming by infrared thermal imaging camera the controller that is resent to Intelligent hot imaging alarm after data signal to;
7) controller sets in advance the standard temperature rise video collection of illustrative plates for the thermal imaging of different power high voltage equipment in power high voltage switch cubicle, and receives the infrared thermal imaging data signal of being come by the infrared thermal imaging processor transmission processing of analysing and comparing;
8) the power high voltage equipment in power high voltage switch cubicle or high-voltage conducting wires, wire clamp, that joint occurs is overheated, when its temperature rise thermal imaging video figure spectrum signal exceedes settings, the action of controller automatic control warner, sends sound and light alarm signal.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610087927.2A CN105606227B (en) | 2016-02-17 | 2016-02-17 | Power high voltage switchgear thermal fault thermal imaging wireless remote control alarm and application method |
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| CN201610087927.2A CN105606227B (en) | 2016-02-17 | 2016-02-17 | Power high voltage switchgear thermal fault thermal imaging wireless remote control alarm and application method |
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| CN105606227B CN105606227B (en) | 2019-05-10 |
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| CN106017538A (en) * | 2016-06-27 | 2016-10-12 | 国网江苏省电力公司盐城供电公司 | Transformer detection apparatus |
| CN106992497A (en) * | 2017-05-27 | 2017-07-28 | 国网福建省电力有限公司 | A kind of intelligent protection device of main transformer internal discharge failure and guard method |
| CN111416289A (en) * | 2020-03-30 | 2020-07-14 | 国网福建省电力有限公司南平供电公司 | Variable-frequency cooling device for armored cabinet of transformer substation and control method of variable-frequency cooling device |
| CN111431067A (en) * | 2020-03-30 | 2020-07-17 | 国网福建省电力有限公司南平供电公司 | Method for cooling armored cabinet of transformer substation |
| CN111664949A (en) * | 2020-07-15 | 2020-09-15 | 沈阳达能电安全高新产业技术研究院有限公司 | Transformer fault monitoring system and method based on infrared detection |
| CN116026480A (en) * | 2023-03-30 | 2023-04-28 | 国网山东省电力公司肥城市供电公司 | Infrared temperature monitoring system |
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| CN111416289B (en) * | 2020-03-30 | 2021-11-09 | 国网福建省电力有限公司南平供电公司 | Variable-frequency cooling device for armored cabinet of transformer substation and control method of variable-frequency cooling device |
| CN111664949A (en) * | 2020-07-15 | 2020-09-15 | 沈阳达能电安全高新产业技术研究院有限公司 | Transformer fault monitoring system and method based on infrared detection |
| CN116026480A (en) * | 2023-03-30 | 2023-04-28 | 国网山东省电力公司肥城市供电公司 | Infrared temperature monitoring system |
| CN116026480B (en) * | 2023-03-30 | 2023-08-11 | 国网山东省电力公司肥城市供电公司 | Infrared temperature monitoring system |
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