CN108931318A - Temperature monitoring system for cable joint of power distribution network - Google Patents
Temperature monitoring system for cable joint of power distribution network Download PDFInfo
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- CN108931318A CN108931318A CN201810866514.3A CN201810866514A CN108931318A CN 108931318 A CN108931318 A CN 108931318A CN 201810866514 A CN201810866514 A CN 201810866514A CN 108931318 A CN108931318 A CN 108931318A
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 69
- 238000012360 testing method Methods 0.000 claims description 58
- 238000004891 communication Methods 0.000 claims description 35
- 239000000523 sample Substances 0.000 claims description 7
- 238000010248 power generation Methods 0.000 claims description 5
- 230000005611 electricity Effects 0.000 claims description 4
- 238000001816 cooling Methods 0.000 claims description 3
- 238000012806 monitoring device Methods 0.000 abstract description 7
- 230000002159 abnormal effect Effects 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 description 5
- 230000007774 longterm Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 230000001052 transient effect Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000013307 optical fiber Substances 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K13/00—Thermometers specially adapted for specific purposes
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
- G01K1/02—Means for indicating or recording specially adapted for thermometers
- G01K1/024—Means for indicating or recording specially adapted for thermometers for remote indication
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
- G01K1/02—Means for indicating or recording specially adapted for thermometers
- G01K1/026—Means for indicating or recording specially adapted for thermometers arrangements for monitoring a plurality of temperatures, e.g. by multiplexing
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
- H02N11/00—Generators or motors not provided for elsewhere; Alleged perpetua mobilia obtained by electric or magnetic means
- H02N11/002—Generators
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Temperature Or Quantity Of Heat (AREA)
Abstract
The invention provides a temperature monitoring system at a cable joint of a power distribution network, which comprises a temperature monitoring device arranged close to the cable joint to be detected and an alarm display receiver arranged far away from the cable joint to be detected, wherein the temperature monitoring device and the alarm display receiver are connected; the temperature monitoring device acquires the actual temperature of the cable joint to be measured and the ambient temperature around the actual temperature in real time, directly displays the actual temperature and forwards the actual temperature to the alarm display receiver for display, and further directly triggers an alarm and/or issues an alarm instruction to the alarm display receiver for alarming after the actual temperature of the cable joint to be measured exceeds the ambient temperature by a certain threshold value; the alarm display receiver displays the actual temperature of the cable joint to be tested forwarded by the temperature monitoring device and the ambient temperature corresponding to the actual temperature, and triggers an alarm after receiving a sent alarm instruction. The invention can quickly and accurately reflect the abnormal temperature condition at the cable joint, skillfully solve the power supply problem and stably work for a long time.
Description
Technical field
The present invention relates to temperature monitoring systems at technical field of electric power more particularly to a kind of power distribution network cable connector.
Background technique
Cable is the important component of electric system, is mainly distributed on cable duct, cable tunnel, cable testing bridge, cable
In interlayer, not only artificial inspection is inconvenient, but also because of long-term charging operation, leads to the failures odds such as aging, inflammable
It is larger.According to statistics, China over the years by electrical equipment cause fire incident in, 80% is related by wire and cable line.With city
The continuous propulsion of change process, distribution network cable also deepen continuously, and the usage amount of power cable is significantly increased, therefore the fortune of power cable
Row management, monitoring and maintenance work are further important.
Existing power cable state monitors system, is based on distributed optical fiber temperature sensor technology, and anti-using optical time domain
Penetrate with Hamann scattering technology, obtain the cable surface Temperature Distribution along fiber lengths nearly continuity, realize that temperature anomaly variation is pre-
The functions such as alert, temperature overheating point location and stable state carrying current calculation.But the technology is disadvantageous in that: (1) cannot be timely
Monitoring and the instantaneous arcing fault of effective position or other transient faults, reason are the instantaneity of the transient faults such as flashover usually not
It can cause the significant change of cable surface temperature;(2) it can not achieve real-time carrying current calculation, reason is that leakage event occurs for cable
When barrier, if leakage current very little, cable surface temperature rise variation is also unobvious.
It can be seen that the existing power cable state based on distributed optical fiber temperature sensor technology monitors system, Bu Nengshi
Existing Temperature of Power Cables abnormal timely monitoring and early warning, the power cable connector especially most easily to break down crimp it is bad or
Overload operation all can cause joint temperature to steeply rise, so as to cause electric power accident.However, fault current is through over long distances
Cable conduction, be easy to cause fault-signal decay and deformation, be not easy to capture in transformer substation end, it is therefore necessary to important
Power cable connector position acquires transient fault signal, realizes early monitoring, early warning and positioning.
Summary of the invention
Technical problem to be solved by the present invention lies in provide temperature monitoring system at a kind of power distribution network cable connector, energy
It is enough rapidly and accurately to react temperature anomaly situation at cable connector, and cleverly solve powerup issue, energy work steady in a long-term
Make.
In order to solve the above-mentioned technical problem, the embodiment of the invention provides monitoring temperature systems at a kind of power distribution network cable connector
System, including the device for monitoring temperature close to the setting of cable under test joint and the report far from cable under test joint setting
Alert display receiver, and the device for monitoring temperature is connected with the alarm indication receiver;Wherein,
The device for monitoring temperature, for acquiring the actual temperature of the cable under test connector and its environment of corresponding surrounding in real time
Temperature simultaneously directly displays and is forwarded to the alarm indication receiver and show, and further it is to be determined go out the cable under test connect
Head actual temperature beyond cable under test joint surrounding the certain threshold value of environment temperature after, directly triggering alarm and/or
Alarm command to the alarm indication receiver is issued to alarm;
The alarm indication receiver, for show the cable under test connector of device for monitoring temperature forwarding actual temperature and
Its correspond to surrounding environment temperature, and it is waiting receive the alarm command that the device for monitoring temperature issues after, triggering alarm.
Wherein, the device for monitoring temperature includes power supply, and the first temperature being connected with the power supply
Sensor and temperature monitoring display instrument;Wherein,
The power supply, for providing DC voltage;
One end of first temperature sensor is connected with the temperature monitoring display instrument, and the other end, which is equipped with, is located at temperature prison
Outside display and the probe close to the cable under test joint are surveyed, and the probe for acquiring the cable under test in real time
The actual temperature of connector;
The first nothing that the temperature monitoring display instrument is built-in with first microprocessor and is connected with the first microprocessor
Line communication unit, second temperature sensor, the first alarm unit and the first display unit, and first wireless communication unit is also
It realizes and is wirelessly connected with the alarm indication receiver;Wherein, the first microprocessor also with first temperature sensor
It is connected, for receiving first temperature sensor, the actual temperature of collected cable under test connector and reception pass through in real time
The second temperature sensor collected cable under test joint surrounding environment temperature, and be directly pushed to described first
Display unit shows and is forwarded to the alarm indication receiver by first wireless communication unit and show, and to be determined
After the actual temperature of the cable under test connector is beyond the certain threshold value of environment temperature of cable under test joint surrounding out, directly
Contact, which send out described first alarm unit and carried out, alarms and/or issues alarm command to described by first wireless communication unit
Alarm indication receiver is alarmed.
Wherein, the alarm indication receiver is built-in with the second microprocessor and homogeneous with second microprocessor
The second wireless communication unit, the second display unit and the second alarm unit even;Wherein,
The first wireless communication unit built in second wireless communication unit and the temperature monitoring display instrument realizes channel radio
Letter connection, the actual temperature and its corresponding environment temperature of the cable under test connector for receiving the temperature monitoring display instrument forwarding
The alarm command that the temperature monitoring display instrument issues is spent and received, and is sent directly into second microprocessor;
Second microprocessor, the actual temperature and its corresponding environment temperature of the cable under test connector for will receive push away
It gives second display unit to show, and alarm command triggering second alarm unit is reported based on the received
It is alert.
Wherein, the power supply includes thermoelectric generation film, and be arranged in the thermo-electric generation on piece cooling fin and
Generate electricity plate electrode;Wherein, the power generation plate electrode passes through conducting wire and the temperature monitoring display instrument and first temperature sensing
Device is connected.
Wherein, first wireless communication unit and second wireless communication unit are the WIFI channel radio being oppositely arranged
Believe module or 4G 5G wireless communication module.
Wherein, first alarm unit and second alarm unit are buzzer or indicator light.
The implementation of the embodiments of the present invention has the following beneficial effects:
1, the present invention shows the actual temperature and its surrounding of cable under test connector using device for monitoring temperature while real-time monitoring
Environment temperature, once actual temperature beyond after the certain threshold value of environment temperature (such as 20 degrees Celsius), directly carry out alarm and/or under
Hair alarm command is alarmed to alarm indication receiver, and by the environment of the actual temperature of cable under test connector and its surrounding
Temperature is transmitted to alarm indication receiver and shows, thus can not only be in the rapidly and accurately reaction cable of cable under test joint
Joint temperature anomaly situation, moreover it is possible to different distally rapidly and accurately reacting temperature at cable connector by alarm indication receiver
Reason condition.
2, the heat generated present invention utilizes TEG thermoelectric generation film powers to device, and environmental protection and energy saving cleverly solve
Powerup issue, can not be by other Interference from current, the work that maintains a long-term stability.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention, for those of ordinary skill in the art, without any creative labor, according to
These attached drawings obtain other attached drawings and still fall within scope of the invention.
Fig. 1 is the connection schematic diagram of temperature monitoring system at power distribution network cable connector provided in an embodiment of the present invention;
Fig. 2 is the logical construction schematic diagram of device for monitoring temperature in Fig. 1;
Fig. 3 is the logical construction schematic diagram of alarm indication receiver in Fig. 1.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, the present invention is made into one below in conjunction with attached drawing
Step ground detailed description.
It as shown in Figure 1 to Figure 3, is monitoring temperature system at a kind of power distribution network cable connector provided in the embodiment of the present invention
System is set including the device for monitoring temperature 1 being arranged at cable under test connector (not shown) and far from cable under test joint
The alarm indication receiver 2 set, and device for monitoring temperature 1 passes through wirelessly or non-wirelessly communication mode phase with alarm indication receiver 2
Even;Wherein,
Device for monitoring temperature 1, for acquiring the actual temperature of cable under test connector in real time and its corresponding to the environment temperature of surrounding simultaneously
The display of alarm indication receiver 2 is directly displayed and is forwarded to, and the further actual temperature of cable under test connector out to be determined
After the certain threshold value of environment temperature (such as 20 degrees Celsius) beyond cable under test joint surrounding, directly triggering is alarmed and/or is issued
Alarm command to alarm indication receiver 2 is alarmed;
Alarm indication receiver 2, actual temperature and its correspondence for the cable under test connector that displays temperature monitoring device 1 forwards
The environment temperature of surrounding, and it is waiting receive the alarm command that device for monitoring temperature 1 issues after, triggering alarm.
It should be noted that device for monitoring temperature 1 simultaneously real-time monitoring show cable under test connector actual temperature and
The environment temperature of its surrounding is directly alarmed once actual temperature beyond after the certain threshold value of environment temperature, can be in electricity to be measured
Temperature anomaly situation at rapidly and accurately reaction cable connector at cable joint, and device for monitoring temperature 1 can also transmit messages down
Alert instruction is alarmed to alarm indication receiver 2, makes it possible to rapidly and accurately react in distal end by alarm indication receiver 2
Temperature anomaly situation at cable connector.Alarm indication receiver 2 can be fixed, be also possible to hand-held.
In embodiments of the present invention, as shown in Fig. 2, device for monitoring temperature 1 includes power supply 11, and and power supply
11 connected the first temperature sensors 12 and temperature monitoring display instrument 13;Wherein,
Power supply 11, for providing DC voltage;In one embodiment, power supply 11 includes thermoelectric generation film 111, with
And the cooling fin 112 in thermoelectric generation film 111 and power generation plate electrode 113 are set;Wherein, power generation plate electrode 113 passes through conducting wire
It is connected with the first temperature sensor 12 and temperature monitoring display instrument 13, thus can use the heat of TEG thermoelectric generation film generation
For amount to power, environmental protection and energy saving not only cleverly solve powerup issue, are not maintained a long-term stability by other Interference from current also
Work;
One end of first temperature sensor 12 is connected with temperature monitoring display instrument 13, and the other end, which is equipped with, is located at temperature monitoring display
13 outsides and the probe 121 close to cable under test joint, and the probe 121 for acquiring the reality of cable under test connector in real time
Temperature;
The first nothing that temperature monitoring display instrument 13 is built-in with first microprocessor 131 and is connected with first microprocessor 131
Line communication unit 132, second temperature sensor 133, the first alarm unit 134 and the first display unit 135, and the first channel radio
Believe that unit 132 is also realized with alarm indication receiver 2 to be wirelessly connected;Wherein, first microprocessor 131 also with the first temperature sensing
Device 12 is connected, for receiving the actual temperature of the real-time collected cable under test connector of the first temperature sensor 12 and receiving logical
Cross second temperature sensor 133 collected cable under test joint surrounding environment temperature, and it is aobvious to be directly pushed to first
Show unit 135 display and by the first wireless communication unit 132 be forwarded to alarm indication receiver 2 show, and it is to be determined go out
After the actual temperature of cable under test connector is beyond the certain threshold value of environment temperature of cable under test joint surrounding, first is directly triggered
Alarm unit 134 alarm and/or issues alarm command to alarm indication receiver 2 by the first wireless communication unit 132
It alarms.
In embodiments of the present invention, as shown in figure 3, alarm indication receiver 2 is built-in with the second microprocessor 21, Yi Jiyu
Second microprocessor 21 connected the second wireless communication unit 22, the second alarm unit 23 and the second display unit 24;Wherein,
Second wireless communication unit 22 is realized with the first wireless communication unit 132 built in temperature monitoring display instrument 13 to be wirelessly communicated
Connection, for receive temperature monitoring display instrument 13 forwarding cable under test connector actual temperature and its corresponding environment temperature with
And the alarm command that temperature monitoring display instrument 13 issues is received, and be sent directly into the second microprocessor 22;Second microprocessor
21, the actual temperature and its corresponding environment temperature of the cable under test connector for will receive are pushed to the second display unit 24
It has been shown that, and the second alarm unit 23 of alarm command triggering is alarmed based on the received.
In embodiments of the present invention, the first wireless communication unit 132 and the second wireless communication unit 23 are oppositely arranged
WIFI wireless communication module or 4G 5G wireless communication module.It should be noted that the first wireless communication unit 132 and the second nothing
Line communication unit 23 further includes other wireless communication modules such as ZigBee.
In embodiments of the present invention, the first alarm unit 134 and the second alarm unit 23 are buzzer or indicator light, that is, are led to
It crosses buzzer buzzing or indicator light is lighted to realize alarm.First display unit 135 and the second display unit 24 are liquid crystal
Display screen.
The working principle of temperature monitoring system at power distribution network cable connector in the embodiment of the present invention are as follows: fill monitoring temperature
The joint of 1 placement cable under test is set, power supply 11 is powered to all modules of device for monitoring temperature 1, so that first
Temperature sensor 12 extends the reality for the cable under test connector that the probe 121 outside device for monitoring temperature 1 is capable of real-time acquisition
Temperature, second temperature sensor 133 in built-in temperature monitoring device 1 collected cable under test joint surrounding environment
Temperature shown the actual temperature of cable under test connector and its corresponding environment temperature by the first display unit 135, while
It can be forwarded to alarm indication receiver 2 by the first wireless communication unit 132 and shown by the second display unit 24, in this way
Not only proximal end or distal end can observe cable under test connector and surrounding temperature conditions in time.
After environment temperature certain threshold value of the actual temperature beyond cable under test joint surrounding of cable under test connector,
First alarm unit 134 of built-in temperature monitoring device 1 triggers alarm, while can also issue alarm command and connect to alarm indication
It receives device 2 and is alarmed by the second alarm unit 23, so not only in the rapidly and accurately reaction electricity of cable under test joint
Temperature anomaly situation at cable joint, moreover it is possible to temperature at cable connector rapidly and accurately be reacted by alarm indication receiver in distal end
Abnormal conditions.
The implementation of the embodiments of the present invention has the following beneficial effects:
1, the present invention shows the actual temperature and its surrounding of cable under test connector using device for monitoring temperature while real-time monitoring
Environment temperature, once actual temperature beyond after the certain threshold value of environment temperature (such as 20 degrees Celsius), directly carry out alarm and/or under
Hair alarm command is alarmed to alarm indication receiver, and by the environment of the actual temperature of cable under test connector and its surrounding
Temperature is transmitted to alarm indication receiver and shows, thus can not only be in the rapidly and accurately reaction cable of cable under test joint
Joint temperature anomaly situation, moreover it is possible to different distally rapidly and accurately reacting temperature at cable connector by alarm indication receiver
Reason condition.
2, the heat generated present invention utilizes TEG thermoelectric generation film powers to device, and environmental protection and energy saving cleverly solve
Powerup issue, can not be by other Interference from current, the work that maintains a long-term stability.
Above disclosed is only a preferred embodiment of the present invention, cannot limit the power of the present invention with this certainly
Sharp range, therefore equivalent changes made in accordance with the claims of the present invention, are still within the scope of the present invention.
Claims (6)
1. temperature monitoring system at a kind of power distribution network cable connector, which is characterized in that including being arranged close to cable under test joint
Device for monitoring temperature and far from the cable under test joint setting alarm indication receiver, and the monitoring temperature fill
It sets and is connected with the alarm indication receiver;Wherein,
The device for monitoring temperature, for acquiring the actual temperature of the cable under test connector and its environment of corresponding surrounding in real time
Temperature simultaneously directly displays and is forwarded to the alarm indication receiver and show, and further it is to be determined go out the cable under test connect
Head actual temperature beyond cable under test joint surrounding the certain threshold value of environment temperature after, directly triggering alarm and/or
Alarm command to the alarm indication receiver is issued to alarm;
The alarm indication receiver, for show the cable under test connector of device for monitoring temperature forwarding actual temperature and
Its correspond to surrounding environment temperature, and it is waiting receive the alarm command that the device for monitoring temperature issues after, triggering alarm.
2. temperature monitoring system at power distribution network cable connector as described in claim 1, which is characterized in that the monitoring temperature dress
It sets including power supply, and the first temperature sensor and temperature monitoring display instrument that are connected with the power supply;Wherein,
The power supply, for providing DC voltage;
One end of first temperature sensor is connected with the temperature monitoring display instrument, and the other end, which is equipped with, is located at temperature prison
Outside display and the probe close to the cable under test joint are surveyed, and the probe for acquiring the cable under test in real time
The actual temperature of connector;
The first nothing that the temperature monitoring display instrument is built-in with first microprocessor and is connected with the first microprocessor
Line communication unit, second temperature sensor, the first alarm unit and the first display unit, and first wireless communication unit is also
It realizes and is wirelessly connected with the alarm indication receiver;Wherein, the first microprocessor also with first temperature sensor
It is connected, for receiving first temperature sensor, the actual temperature of collected cable under test connector and reception pass through in real time
The second temperature sensor collected cable under test joint surrounding environment temperature, and be directly pushed to described first
Display unit shows and is forwarded to the alarm indication receiver by first wireless communication unit and show, and to be determined
After the actual temperature of the cable under test connector is beyond the certain threshold value of environment temperature of cable under test joint surrounding out, directly
Contact, which send out described first alarm unit and carried out, alarms and/or issues alarm command to described by first wireless communication unit
Alarm indication receiver is alarmed.
3. temperature monitoring system at power distribution network cable connector as claimed in claim 2, which is characterized in that the alarm indication connects
Device is received to be built-in with the second microprocessor and the second wireless communication unit being connected with second microprocessor, second show
Show unit and the second alarm unit;Wherein,
The first wireless communication unit built in second wireless communication unit and the temperature monitoring display instrument realizes channel radio
Letter connection, the actual temperature and its corresponding environment temperature of the cable under test connector for receiving the temperature monitoring display instrument forwarding
The alarm command that the temperature monitoring display instrument issues is spent and received, and is sent directly into second microprocessor;
Second microprocessor, the actual temperature and its corresponding environment temperature of the cable under test connector for will receive push away
It gives second display unit to show, and alarm command triggering second alarm unit is reported based on the received
It is alert.
4. temperature monitoring system at power distribution network cable connector as claimed in claim 3, which is characterized in that the power supply packet
Thermoelectric generation film is included, and the cooling fin and power generation plate electrode of the thermo-electric generation on piece are set;Wherein, the power generation sheet electricity
Pole is connected by conducting wire with the temperature monitoring display instrument and first temperature sensor.
5. temperature monitoring system at power distribution network cable connector as claimed in claim 4, which is characterized in that first channel radio
Letter unit and second wireless communication unit be the WIFI wireless communication module being oppositely arranged or 4G 5G wireless communication module.
6. temperature monitoring system at power distribution network cable connector as claimed in claim 5, which is characterized in that first alarm is single
First and described second alarm unit is buzzer or indicator light.
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CN201810866514.3A CN108931318A (en) | 2018-08-01 | 2018-08-01 | Temperature monitoring system for cable joint of power distribution network |
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CN201810866514.3A CN108931318A (en) | 2018-08-01 | 2018-08-01 | Temperature monitoring system for cable joint of power distribution network |
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Cited By (5)
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CN109919390A (en) * | 2019-03-15 | 2019-06-21 | 西门子电力自动化有限公司 | Predict the method and apparatus of the temperature rise of the contact point of power equipment |
CN110836727A (en) * | 2019-11-01 | 2020-02-25 | 国网江苏省电力有限公司盐城供电分公司 | Cable joint temperature detection system based on wireless transmission and detection method thereof |
CN112687087A (en) * | 2019-09-28 | 2021-04-20 | 陈向荣 | Temperature continuous monitoring and recording system for cable and bus connecting piece of passive ultrahigh voltage power grid |
CN112993888A (en) * | 2021-02-18 | 2021-06-18 | 杭州富通通信技术股份有限公司 | Skeleton cable |
CN113465777A (en) * | 2021-06-03 | 2021-10-01 | 广州番禺电缆集团有限公司 | Cable temperature monitoring platform and method |
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CN107764424A (en) * | 2017-09-15 | 2018-03-06 | 国网浙江嘉善县供电公司 | A kind of cable intermediate joint temperature rise on-Line Monitor Device and method based on temperature difference method |
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CN112687087A (en) * | 2019-09-28 | 2021-04-20 | 陈向荣 | Temperature continuous monitoring and recording system for cable and bus connecting piece of passive ultrahigh voltage power grid |
CN110836727A (en) * | 2019-11-01 | 2020-02-25 | 国网江苏省电力有限公司盐城供电分公司 | Cable joint temperature detection system based on wireless transmission and detection method thereof |
CN112993888A (en) * | 2021-02-18 | 2021-06-18 | 杭州富通通信技术股份有限公司 | Skeleton cable |
CN112993888B (en) * | 2021-02-18 | 2022-12-02 | 杭州富通通信技术股份有限公司 | Skeleton cable |
CN113465777A (en) * | 2021-06-03 | 2021-10-01 | 广州番禺电缆集团有限公司 | Cable temperature monitoring platform and method |
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Application publication date: 20181204 |