CN203772306U - Cable terminal integrated monitoring device - Google Patents
Cable terminal integrated monitoring device Download PDFInfo
- Publication number
- CN203772306U CN203772306U CN201320885835.0U CN201320885835U CN203772306U CN 203772306 U CN203772306 U CN 203772306U CN 201320885835 U CN201320885835 U CN 201320885835U CN 203772306 U CN203772306 U CN 203772306U
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- Prior art keywords
- cable
- alarm sensor
- box
- integrated terminal
- monitoring device
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- Expired - Lifetime
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- 238000012806 monitoring device Methods 0.000 title claims abstract description 19
- 238000001514 detection method Methods 0.000 claims abstract description 30
- 238000012544 monitoring process Methods 0.000 claims description 17
- 239000002131 composite material Substances 0.000 claims description 16
- 238000009434 installation Methods 0.000 claims description 8
- 230000010259 detection of temperature stimulus Effects 0.000 claims description 3
- 230000035939 shock Effects 0.000 abstract 3
- 230000007547 defect Effects 0.000 description 11
- 230000002159 abnormal effect Effects 0.000 description 4
- 230000035945 sensitivity Effects 0.000 description 4
- 230000032683 aging Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 206010037660 Pyrexia Diseases 0.000 description 1
- 206010063900 Steal syndrome Diseases 0.000 description 1
- -1 aluminium Chemical class 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
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- Emergency Alarm Devices (AREA)
- Burglar Alarm Systems (AREA)
Abstract
The utility model provides a cable terminal integrated monitoring device comprising a cable grounding box, an integrated terminal box, a door open alarm sensor, a shock alarm sensor, an infrared detection alerter and a loop current detector. The cable grounding box and the integrated terminal box are installed on a tower frame of an electric tower. The door open alarm sensor is installed in the internal part of the cable grounding box. The shock alarm sensor is installed on a grounding cable. The infrared detection alerter is installed behind the cable grounding box. The loop current detector is installed on a main cable. The door open alarm sensor, the shock alarm sensor, the infrared detection alerter and the loop current detector are respectively connected with the integrated terminal box via conductive wires. A pilferage phenomenon can be timely discovered and alarmed or timely prevented so that pilferage rate is effectively reduced, safety operation of cable terminal equipment is ensured, and theft crime can also be effectively cracked down. The loop current detector and a temperature monitoring device are installed on the main cable or a cable terminal head so that real-time mastering of the equipment state is facilitated for operation personnel, and safe and reliable operation of the cable terminal are ensured.
Description
Technical field
The utility model relates to power transmitting device field, relates in particular to cable termination defect detecting device.
Background technology
Cable termination is the two ends of cable line, mainly comprise cable terminal, lightning arrester, earthing box for electric cable, rack platform and support insulator etc., along with the socioeconomic demand of planning with town development that develops rapidly, cable line frequently uses, the quantity of cable termination is also constantly soaring, take Xiaoshan power supply administration as example, the cable line path of current power transmission center administration reaches 153.2m, cable termination is up to 83 places, the quantity of cable class defect is ascendant trend year by year, simultaneously, due to the needs of producing and living, requirement to cable line operation improves constantly, in the urgent need to reducing electric cable stoppage rate.
Applicant finds by the cable line operation conditions statistics in its compass of competency, the quantity of cable termination defect accounts for 55.3% of cable class defect total amount, the transmission line equipment fault stoppage in transit accounting causing due to cable termination defect is up to 83.3%, therefore, reducing cable termination ratio of defects is the important channel of effectively reducing cable class defect and improving cable operational reliability.
In addition, applicant also adds up discovery, it is stolen that cable termination defect mainly concentrates on cable termination grounding box running line, the heating of cable terminating equipment wire clamp, higher three aspects of cable termination circulation value, wherein, the stolen main cause of cable termination grounding box running line is larceny, cable termination tower is generally positioned at junction, outskirts of a town, it is larger that this locates external mobility of people, and on cable termination tower traditional grounding box and earthing cable without any anti-theft feature, and because main material is copper, the metals such as aluminium, has recovery value, therefore easily there is the pilferage behavior of electric power facility, and power circuit covering is wide and close, make an inspection tour per capita circuit far away, cable termination placement also can not be equipped with operator on duty's guard for 24 hours, therefore for larceny, be hard to guard against, the reason of cable terminating equipment wire clamp heating is that cable terminal is that copper aluminium is connected with connecting position of wires, and this place is prone to fever phenomenon, and long-time running meeting causes junction fusing, the too high reasous and results of wrong subjects of cable termination circulation value is in operational process, can produce the electric current that comprises capacitance current and two ingredients of induction current on cable metal sheath, if surpassing permissible value for a long time, this current value easily causes heat energy loss on protective metal shell, easily there is the aging of cable major insulation and jacket insulation, thereby cause cable terminal insulation breakdown.At present, the unique method of controlling above-mentioned defect is to strengthen monitoring and operation maintenance work.
Summary of the invention
Technical problem to be solved in the utility model is to provide a kind of cable termination composite monitoring device, can strengthen the monitoring on the spot of cable termination, reduces cable termination shortage probability.
The technical scheme that the utility model technical solution problem adopts is: cable termination composite monitoring device, described composite monitoring device comprises earthing box for electric cable, integrated terminal case, open alarm sensor, vibrations alarm sensor, infrared detection alarming device and circulation detector, described earthing box for electric cable and described integrated terminal case are arranged on the pylon of electric tower, open alarm installation of sensors is the position above chamber door in earthing box for electric cable inside, described vibrations alarm sensor is arranged on the earthing cable of described earthing box for electric cable, described infrared detection alarming device is arranged on the rear of described earthing box for electric cable, described circulation detector is arranged on leader cable, described open alarm sensor, vibrations alarm sensor, infrared detection alarming device is connected with described integrated terminal case by wire respectively with circulation detector, in described integrated terminal case, be also provided with wireless signal transmitter.
When need to opening when earthing box for electric cable is checked or operates, staff need carry the alarm release inductor suitable with open alarm sensor, when non-above-mentioned staff's other staff open or pry open the chamber door of earthing box for electric cable, open alarm sensor sends chimes of doom, to integrated terminal case, send warning message, integrated terminal case passes to electric system by wireless signal transmitter in real time by alerting signal simultaneously, vibrations alarm sensor regulates applicable warning sensitivity according to site environment, according to the setting of warning sensitivity from different places difference to some extent, when earthing box for electric cable or the abnormal vibrations of earthing cable generation, vibrations alarm sensor sends chimes of doom, to integrated terminal case, send warning message, integrated terminal case sends alerting signal by wireless signal transmitter simultaneously, infrared acquisition warning horn, for all sides from back side angle monitoring cable grounding box, once find that there is abnormal operation, sends chimes of doom, sends warning message to integrated terminal case simultaneously, and integrated terminal case sends alerting signal by wireless signal transmitter, circulation detector comprises 0~100A single mode precision current mutual inductor and accurate grounding circulation collector, gradual numerical value monitoring for the metallic shield grounding circulation of Real-Time Monitoring 110kv and above high-tension cable, reflection sheath ground connection good degree, cable degree of aging, the situations such as core payload variation, the in the situation that of the normal operation of Voltage Cable Lines Construction, when ground loop flow valuve generation sudden change reduces or is zero, effectively the stolen or ground wire of judgement grounding box is cut, and monitoring numerical value is sent to integrated terminal case, integrated terminal case sends alerting signal by wireless signal transmitter.
When adopting technique scheme, the utility model is further technical scheme below can also adopting or combine and adopting:
The installation site of described integrated terminal case is apart from ground 2~3m, and this position and earthing box for electric cable positional distance are nearer, does not need to draw very long wire, avoids secondary defect to produce, and is also convenient to installation and maintenance.
It is outside that described vibrations alarm sensor is arranged on described grounding box, and the bottommost of earthing cable sag is connected with termination rack, for shaking warning.
Described infrared detection alarming device is arranged on the pylon at described earthing box for electric cable rear, the distance of described infrared detection alarming device and described earthing box for electric cable is 1~3m, infrared detection alarming device is for back and the both sides of exploration cable grounding box, therefore be arranged on the rear not far apart from earthing box for electric cable, this is apart from the accuracy that can guarantee infrared eye, the detection angle of described infrared detection alarming device is 270 °, and this detection angle can meet surveys near the grounding box requirement of side in three weeks.
Described composite monitoring device also comprises temperature monitoring, described temperature monitoring is placed on cable splice surface for detection of temperature of cable junction, described temperature monitoring is connected with described integrated terminal case by wire, temperature monitoring, for the temperature of real-time induction cable joint surface, prevents excess Temperature.
Described wireless signal transmitter is connected with electric system by wireless network, for the received detection alarm information of integrated terminal case is sent to electric system in real time, is convenient to staff and makes in time countermeasure.
The beneficial effects of the utility model are: composite monitoring device of the present utility model is by near the chamber door of earthing box for electric cable, on earthing cable, and earthing box for electric cable is installed open alarm sensor behind, vibrations alarm sensor and infrared detection alarming device, can find in real time steal phenomenon and report to the police or stop in time, not only effectively reduce pilferage rate, guaranteed the safe operation of cable terminating equipment, crime can also effectively hit out against theft, even arrest illegal offender, at leader cable or cable terminal installing ring current sensor and device for detecting temperature, and in real time monitor signal is sent to electric system by integrated terminal case, contribute to operations staff to grasp in real time equipment state, guarantee the safe and reliable operation of cable termination, and, composite monitoring device is arranged on electric tower all the time to earthing box for electric cable and running line thereof, cable terminating equipment wire clamp and circulation value are monitored on the spot, do not need staff regularly to travel to and fro between each electric tower and electric system office space, labour productive forces have been saved.
Accompanying drawing explanation
Fig. 1 is one-piece construction figure of the present utility model.
Embodiment
With reference to accompanying drawing.
Composite monitoring device of the present utility model comprises earthing box for electric cable 1, integrated terminal case 2, open alarm sensor, vibrations alarm sensor 3, infrared detection alarming device 4, circulation detector and temperature monitoring, in integrated terminal case 2, be provided with wireless signal transmitter, wireless signal transmitter is connected with electric system by wireless network, for the received detection alarm information of integrated terminal case 2 is sent to electric system in real time, be convenient to staff and make in time countermeasure.
Earthing box for electric cable 1 and integrated terminal case 2 are arranged on the pylon 5 of electric tower, the installation site of integrated terminal case 2 is apart from ground 2~3m, and this position and earthing box for electric cable 1 positional distance are nearer, does not need to draw very long wire, avoid secondary defect to produce, be also convenient to installation and maintenance.
In earthing box for electric cable 1 inside, the position above chamber door is also connected with integrated terminal case 2 by wire 7 open alarm installation of sensors, when need to opening when earthing box for electric cable 1 is checked or operates, staff need carry special-purpose alarm release inductor, when non-above-mentioned staff's other staff open or pry open the chamber door of earthing box for electric cable 1, open alarm sensor sends chimes of doom, to integrated terminal case 2, send warning message simultaneously, integrated terminal case 2 passes to electric system by wireless signal transmitter in real time by alerting signal, being convenient to larceny is found in time.
Vibrations alarm sensor 3 is arranged on earthing box for electric cable outside, and the bottommost of earthing cable 6 sags is connected with termination rack 2.Vibrations alarm sensor 3 regulates applicable warning sensitivity according to site environment, according to the setting of warning sensitivity from different places difference to some extent, when earthing box for electric cable 1 or the abnormal vibrations of earthing cable 6 generation, vibrations alarm sensor 3 sends chimes of doom, to integrated terminal case 2, send warning message simultaneously, integrated terminal case 2 sends alerting signal by wireless signal transmitter alerting signal is passed to electric system in real time, is convenient to larceny and is found in time.
Infrared detection alarming device 4 is arranged on the pylon 5 at rear of earthing box for electric cable 1 and is connected with integrated terminal case 2 by wire 7, infrared detection alarming device 4 is 1~3m with the distance of earthing box for electric cable 1, infrared detection alarming device 4 is for back and the both sides of exploration cable grounding box 1, therefore be arranged on the rear not far apart from earthing box for electric cable 1, this is apart from the accuracy that can guarantee infrared acquisition, the detection angle of infrared detection alarming device 4 is 270 °, and this detection angle can meet surveys near the grounding box requirement of side in three weeks.Once infrared detection alarming device 4 finds that there is abnormal operation, send chimes of doom, to integrated terminal case 2, send warning message simultaneously, integrated terminal case 2 passes to electric system by wireless signal transmitter in real time by alerting signal, is convenient to larceny and is found in time.
Circulation detector is arranged on leader cable and by wire 7 and is connected with integrated terminal case 2, the normal power supply operation of assurance equipment, reflection sheath ground connection good degree, cable degree of aging, the situations such as core payload variation, the in the situation that of the normal operation of Voltage Cable Lines Construction, when ground loop flow valuve generation sudden change reduces or is zero, effectively the stolen or ground wire of judgement grounding box is cut, and monitoring numerical value is sent to integrated terminal case 2, integrated terminal case 2 passes to electric system by wireless signal transmitter in real time by alerting signal, being convenient to larceny is found in time.
Temperature monitoring is placed on cable splice surface for detection of temperature of cable junction, and is connected with integrated terminal case by wire, for the temperature on Real-Time Monitoring cable splice surface.
Above-described embodiment is for the utility model is described in further detail, but the utility model is not confined to these embodiments.One skilled in the art would recognize that the utility model contained all alternativess, improvement project and the equivalents that within the scope of claims, may comprise.
Claims (6)
1. cable termination composite monitoring device, it is characterized in that: described composite monitoring device comprises earthing box for electric cable, integrated terminal case, open alarm sensor, vibrations alarm sensor, infrared detection alarming device and circulation detector, described earthing box for electric cable and described integrated terminal case are arranged on the pylon of electric tower, open alarm installation of sensors is the position above chamber door in earthing box for electric cable inside, described vibrations alarm sensor is arranged on the earthing cable of described earthing box for electric cable, described infrared detection alarming device is arranged on the rear of described earthing box for electric cable, described circulation detector is arranged on leader cable, described open alarm sensor, vibrations alarm sensor, infrared detection alarming device is connected with described integrated terminal case by wire respectively with circulation detector, in described integrated terminal case, be also provided with wireless signal transmitter.
2. cable termination composite monitoring device as claimed in claim 1, is characterized in that: the installation site of described integrated terminal case is apart from ground 2~3m.
3. cable termination composite monitoring device as claimed in claim 1, is characterized in that: described vibrations alarm sensor is arranged on earthing box for electric cable outside, and the bottommost of the earthing cable sag of earthing box for electric cable is connected with described integrated terminal case.
4. cable termination composite monitoring device as claimed in claim 1, it is characterized in that: described infrared detection alarming device is arranged on the pylon at described earthing box for electric cable rear, the distance of described infrared detection alarming device and described earthing box for electric cable is 1~3m, and the detection angle of described infrared detection alarming device is 270 °.
5. cable termination composite monitoring device as claimed in claim 1, it is characterized in that: described composite monitoring device also comprises temperature monitoring, described temperature monitoring is placed on cable splice surface for detection of temperature of cable junction, and described temperature monitoring is connected with described integrated terminal case by wire.
6. cable termination composite monitoring device as claimed in claim 1, is characterized in that: described wireless signal transmitter is connected with electric system by wireless network.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201320885835.0U CN203772306U (en) | 2013-12-31 | 2013-12-31 | Cable terminal integrated monitoring device |
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CN201320885835.0U CN203772306U (en) | 2013-12-31 | 2013-12-31 | Cable terminal integrated monitoring device |
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CN201320885835.0U Expired - Lifetime CN203772306U (en) | 2013-12-31 | 2013-12-31 | Cable terminal integrated monitoring device |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104236625A (en) * | 2014-08-25 | 2014-12-24 | 国家电网公司 | Integrated monitoring sensor for high-voltage cable operation parameter |
CN105759176A (en) * | 2016-04-20 | 2016-07-13 | 国网浙江省电力公司杭州供电公司 | Cable monitoring grounding box and cable monitoring system |
CN106786264A (en) * | 2017-01-06 | 2017-05-31 | 国网山东省电力公司冠县供电公司 | A kind of trapezoidal multi-functional buried cable splices monitoring protection device |
CN107782737A (en) * | 2016-08-26 | 2018-03-09 | 天津山旗线缆有限公司 | A kind of cable molding detection device |
CN108806143A (en) * | 2018-08-10 | 2018-11-13 | 广州供电局有限公司 | Power cable anti-theft alarm device and system |
-
2013
- 2013-12-31 CN CN201320885835.0U patent/CN203772306U/en not_active Expired - Lifetime
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104236625A (en) * | 2014-08-25 | 2014-12-24 | 国家电网公司 | Integrated monitoring sensor for high-voltage cable operation parameter |
CN105759176A (en) * | 2016-04-20 | 2016-07-13 | 国网浙江省电力公司杭州供电公司 | Cable monitoring grounding box and cable monitoring system |
CN107782737A (en) * | 2016-08-26 | 2018-03-09 | 天津山旗线缆有限公司 | A kind of cable molding detection device |
CN106786264A (en) * | 2017-01-06 | 2017-05-31 | 国网山东省电力公司冠县供电公司 | A kind of trapezoidal multi-functional buried cable splices monitoring protection device |
CN108806143A (en) * | 2018-08-10 | 2018-11-13 | 广州供电局有限公司 | Power cable anti-theft alarm device and system |
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GR01 | Patent grant | ||
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Granted publication date: 20140813 |