CN109738770A - A kind of integration insulating tube type busbar connector monitoring system - Google Patents

A kind of integration insulating tube type busbar connector monitoring system Download PDF

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Publication number
CN109738770A
CN109738770A CN201910164740.1A CN201910164740A CN109738770A CN 109738770 A CN109738770 A CN 109738770A CN 201910164740 A CN201910164740 A CN 201910164740A CN 109738770 A CN109738770 A CN 109738770A
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CN
China
Prior art keywords
monitoring device
current sensor
sensor
temperature
tube type
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Pending
Application number
CN201910164740.1A
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Chinese (zh)
Inventor
肖琨
汪秋宾
贺毅
王志强
喻勇高
万明
陈纪刚
林宗良
许晓蓉
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Sichuan Ai Derui Electric Applicance Co Ltd
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Sichuan Ai Derui Electric Applicance Co Ltd
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Priority to CN201910164740.1A priority Critical patent/CN109738770A/en
Publication of CN109738770A publication Critical patent/CN109738770A/en
Pending legal-status Critical Current

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Abstract

A kind of integration insulating tube type busbar connector monitoring system, including temperature monitoring device, bus insulation monitoring device, monitoring warning device, grating temperature sensor, partial discharge pulse current sensor, low current sensor, grating temperature sensor is bonded on copper connector shield external layer part, partial discharge pulse current sensor and low current sensor are from top to bottom mounted on position certain from the ground, center hole of the ground line of insulating tube type busbar ontology successively in the middle part of partial discharge pulse current sensor and low current sensor passes through, temperature monitoring device, bus insulation monitoring device, monitoring warning device, grating temperature sensor, partial discharge pulse current sensor, micro-current, which passes, to be connected between grating temperature sensor through conducting wire, the present invention can detect bus bulk connector temperature and insulation performance, and it can be for wirelessly to power-feed section O&M pipe Reason system transmits monitoring data and warning information, moreover it is possible to realize data interaction by the network server of GPRS and deployment beyond the clouds.

Description

A kind of integration insulating tube type busbar connector monitoring system
Technical field
The present invention relates to electric railway on-line monitoring equipment field, especially a kind of integrated insulating tube type busbar connection Head monitoring system.
Background technique
High-speed railway 27.5kV tractive power supply system generally uses same Xiang Duogen flexible conductor steel-cored aluminium strand or cable at present Connection, due to single steel-cored aluminium strand maximum carrying capacity in 900A or cable maximum carrying capacity in 500A or so, to meet power supply The electric current of single phase power supply arm load 2000A or more in system, then more conductors is just needed to be connected in parallel;More parallel conducting wires Connection needs bus connector that two section lead of front and back is fixed together (general 7-9 meters just needs connector), in practical application, Need to guarantee reliable switching performance between connector and conducting wire, due to having insulation tube on the outside of conducting wire, insulating tube type busbar (is led Line) be hollow conductor, bus internal diameter air duct can self-assembling formation hot-air convection, therefore insulating tube type busbar is suitable for operating current Big circuit can also bear big short circuit current.
By connector processing technology and the difference of mounting means, temperature that connector position insulating tube type busbar generates and Insulation performance will be different, if connector processing technology difference mounting means is not in place, then it is possible that causing local temperature rise Excessively high, decreasing insulating, and then normal power supply, railway operation are affected.Based on above-mentioned, providing one kind can be to connector Locate temperature rise variation, the insulation performance progress real-time monitoring of insulating tube type busbar, the equipment for guaranteeing that power supply system operates normally seems It is particularly necessary.
Summary of the invention
In order to overcome in the prior art, connector position temperature, the insulation performance of insulating tube type busbar are not monitored Equipment, when bus connector processing technology and mounting means are bad, cause connector position insulating tube type busbar temperature rise it is excessively high, Decreasing insulating, and then the drawbacks of affected to the normal operation of high-speed railway tractive power supply system, the present invention provides In the application, grating temperature sensor energy real-time monitoring connector position temperature change, and temperature signal is passed into temperature monitoring Device, the insulation performance of partial discharge pulse current sensor, low current sensor energy real-time monitoring connector position bus, and by signal Bus insulation monitoring device is passed to, temperature monitoring device, bus insulation monitoring device can be by real time temperature data, bus insulation Data Input Monitor Connector prior-warning device, monitoring warning device under its own function, according to monitoring the data obtained comprehensive judgement, Monitoring data and warning information are transmitted to power-feed section operation management system, while the network of GPRS and deployment beyond the clouds can also be passed through Server realizes data interaction, sends monitoring data and warning information to Cloud Server, and then Cloud Server is user's realization Access, inquiry and the management of monitoring data provide a kind of integrated insulating tube type busbar connector prison of powerful technique support Examining system.
The technical solution adopted by the present invention to solve the technical problems is:
A kind of integration insulating tube type busbar connector monitoring system, including temperature monitoring device, bus insulation monitoring device, prison Survey prior-warning device, grating temperature sensor, partial discharge pulse current sensor, low current sensor, it is characterised in that grating temperature The test surface of sensor and the copper connector shield external layer part of bus connector directly contact, and grating temperature sensor is glued It connects on copper connector shield external layer part, partial discharge pulse current sensor and low current sensor are from top to bottom mounted on liftoff The certain position in face, the ground line of insulating tube type busbar ontology is successively from partial discharge pulse current sensor and low current sensor The center hole in portion passes through, and temperature monitoring device, bus insulation monitoring device, monitoring warning device are mounted in subassembly wrapper, grating The signal output end of temperature sensor is connected with the signal input part of temperature monitoring device through single mode optical fiber, and partial discharge pulse current passes Two signal input parts of sensor, the signal output end of low current sensor and bus insulation monitoring device are respectively through coaxial signal Line connection, the RS485 communication port of temperature monitoring device, the RS485 communication port of bus insulation monitoring device and monitoring warning device Through multiple twin shielding communication cable connection, monitoring warning device, temperature monitoring device, bus insulation monitoring device power input and 220V AC power source is through cable connection.
The grating temperature sensor is the passive ceramic fiber-optic grating sensor of model OFT200-35, in practical application, More grating temperature sensors, more grating temperature sensors can be installed in the copper connector shield external layer many places of bus connector Signal output end connected respectively through single mode optical fiber with multiple signal input parts that temperature monitoring device itself has.
The partial discharge pulse current sensor model is XJJD-2000.
The low current sensor model is XJS-500.
The monitoring warning device model is IED81.
The temperature monitoring device model is GMFT320.
The bus insulation monitoring device model is GMINS200.
The medicine have the advantages that low current sensor and partial discharge pulse current sensor will incude when the utility model works Busbar grounding line signal be transformed to electric signal, be then transferred to bus insulation monitoring device;Bus insulation monitoring device is at it Under itself function, signal is amplified, filter, sample, analyze, is handled, obtains the insulation of characterization insulating tube type busbar Supplemental characteristic, and monitoring warning device is sent to for side result data is monitored by RS485 fieldbus.Grating temperature sensor The temperature signal of energy real-time monitoring bus connector position, and signal is passed into temperature monitoring device, temperature monitoring device is to defeated Enter and temperature data is sent to monitoring warning device by RS485 fieldbus after signal is handled, monitoring warning device exists Under its own function, according to monitoring the data obtained comprehensive judgement, monitored through wirelessly being transmitted to power-feed section operation management system Data and warning information, while data interaction can also be realized by the network server of GPRS and deployment beyond the clouds, number will be monitored Cloud Server is sent to according to warning information, and then Cloud Server is access, inquiry and the management that user realizes monitoring data, is mentioned For strong technical support;User after being abnormal temperature rise, decreasing insulating, can arrive scene progress according to monitoring data in time Processing, ensure that the normal operation of power supply system.Based on above-mentioned, so the application prospect that the utility model has had.
Detailed description of the invention
Fig. 1 is structure of the invention signal and block architecture diagram signal.
Fig. 2 is circuit diagram of the present invention.
Specific embodiment
Shown in Fig. 1, a kind of integration insulating tube type busbar connector monitoring system, including temperature monitoring device, bus Insulation monitoring device, monitoring warning device, grating temperature sensor 1, partial discharge pulse current sensor 2, low current sensor 3, The test surface of grating temperature sensor 1 and 4 part of copper connector shield external layer of bus connector directly contact, and blend compounds are by light Grid temperature sensor 1 is bonded on 4 part of copper connector shield external layer, partial discharge pulse current sensor 2 and low current sensor 3 It is from top to bottom mounted on the position of 1200mm---1500mm from the ground, the ground line 5 of insulating tube type busbar ontology is successively from partial discharge The center hole 2-1 and 3-1 at 3 middle part of pulses of current sensor 2 and low current sensor are passed through, temperature monitoring device, bus insulation Monitoring device, monitoring warning device are mounted in subassembly wrapper, the signal output end and temperature monitoring device of grating temperature sensor 1 Signal input part connected through single mode optical fiber, partial discharge pulse current sensor 2, the signal output end of low current sensor 3 and mother Two signal input parts of line insulation monitoring device are connected through coaxial signal line respectively, temperature monitoring device, bus insulation monitoring The RS485 communication port of device is connected with the RS485 communication port of monitoring warning device through multiple twin shielding communication cable, monitoring and warning dress It sets, temperature monitoring device, bus insulation monitoring device power input and 220V AC power source are through cable connection.
Shown in Fig. 2, grating temperature sensor U1 be model OFT200-35 passive ceramic fiber-optic grating sensor at Product in practical application, can install more grating temperature sensor U1 in the copper connector shield external layer many places of bus connector, right Multiple monitoring points are monitored, what the signal output end and temperature monitoring device U2 of more grating temperature sensor U1 had itself Multiple signal input part XH are connected through single mode optical fiber respectively.Partial discharge pulse current sensor U3 is the passive of model XJJD-2000 Partial discharge pulse current sensor finished product.Low current sensor U4 is the low current sensor finished product of model XJS-500.Monitoring and warning Device U5 model is IED81.Temperature monitoring device U2 model is GMFT320.Bus insulation monitoring device U6 model is GM INS200.The signal output end of grating temperature sensor U1 and the signal input part XH of temperature monitoring device U2 are through coaxial signal line Connection, the two of partial discharge pulse current sensor U3, the signal output end of low current sensor U4 and bus insulation monitoring device U6 A signal input part XH1, XH2 are connected through coaxial signal line respectively, the letter of temperature monitoring device U2, bus insulation monitoring device U6 Number output end is connected through RS485 data line respectively with signal input part XH3, XH4 of monitoring warning device U5, monitoring warning device U5, temperature monitoring device U2, bus insulation monitoring device U6 power input and 24V DC power supply G are connected through conducting wire.
Fig. 1, shown in 2, in the utility model practical application, the connector of installation 27.5kV insulating tube type busbar can be used dedicated Liner muff joint 7 and metal encircling type fastening sleeve 8, liner muff joint 7 is at convex, two sections of insulating tube type busbar ontologies 6 are inserted into liner muff joint 7 respectively, and liner muff joint 7 and insulating tube type busbar ontology 6 are closely connected, and have enough contacts Area guarantees that its field distribution is uniform, separately by metal encircling type fastening sleeve 7 special fixture and 7 convex of liner muff joint Set is clamped and is welded (metal encircling type fastening sleeve 8 is located at 7 outside of liner muff joint), and both polishing makes contact surface is smooth; By grating temperature sensor 1, in 8 outside of metal encircling type fastening sleeve, (the copper connector shielding for being equal to bus connector is outer admittedly Layer), it is then wrapped in tetrafluoroethene self-adhesive tape resistant to high temperature again, seals gluing, stamps and is protected outside pyrocondensation prefabricated in marine glue rear enclosure Set, in this way, through the above scheme, two sections of insulating tube type busbar ontologies 6 are linked together, grating temperature sensor 1 is implanted to In bus bulk 6, after grating temperature sensor 1 installs, partial discharge 48kV is met in delivery test less than 5pC, pressure resistance 95kV alternating voltage 1min, no breakdown is without flashover requirement.
Fig. 1, shown in 2,220V AC power source G enters monitoring warning device U5, temperature monitoring device U2, bus insulation prison After surveying device U6 power input, monitoring warning device U5, temperature monitoring device U2, bus insulation monitoring device U6 are in electric Working condition.When the utility model works, low current sensor U4 and partial discharge pulse current sensor U3 are grounded bus bulk 6 is incuded The signal of line is transformed to electric signal, is then transferred to bus insulation monitoring device U6;Bus insulation monitoring device U6 from its own Under function, signal is amplified, filter, sample, analyze, is handled, obtains characterization 6 insulation performance of tube type bus ontology Insulation parameter data, and monitoring warning device U5 to is sent the result data of monitoring by RS485 fieldbus.Temperature monitoring Device U2 issues continuous broadband light and injects grating temperature sensor U1, grating temperature sensor U1 reflection through single-mode transmission optical fiber Narrow band light again through single-mode transmission optical fiber import temperature monitoring device U2, temperature monitoring device U2 is according in the narrow band light received The long linear relationship with grid temperature sensor U1 temperature of cardiac wave, the temperature signal of real-time monitoring bus connector, temperature monitoring dress It sets U2 to carry out after handling acquisition monitoring temperature numerical value the optical signal being reflected back, temperature data is passed by RS485 fieldbus Give monitoring warning device U5, monitoring warning device U5 under its own function, according to monitoring the data obtained comprehensive judgement, Monitoring data are transmitted to power-feed section operation management system through electric substation's end communication management by RS485 fieldbus and early warning is believed Breath, while monitoring warning device U5 is under its own function, moreover it is possible to by GPRS wirelessly transmitting data, beyond the clouds with deployment Network server realize data interaction, send monitoring data and warning information to Cloud Server, and then Cloud Server is to use Access, inquiry and the management of monitoring data are realized in family, provide strong technical support;User is according to monitoring data, when being abnormal After temperature rise, decreasing insulating, scene can be arrived in time and be handled.
Below table denotes the range and precision monitored on-line when the invention works:
Basic principles and main features and advantages of the present invention of the invention have been shown and described above, for those skilled in the art For member, it is clear that invention is not limited to the details of the above exemplary embodiments, and without departing substantially from spirit of the invention or substantially In the case where feature, the present invention can be realized in other specific forms.Therefore, in all respects, should all will implement Example regards exemplary as, and is non-limiting, and the scope of the present invention is by appended claims rather than above description limits It is fixed, it is intended that including all changes that fall within the meaning and scope of the equivalent elements of the claims in the present invention.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art The other embodiments being understood that.

Claims (7)

1. it is a kind of integration insulating tube type busbar connector monitor system, including temperature monitoring device, bus insulation monitoring device, Monitoring warning device, grating temperature sensor, partial discharge pulse current sensor, low current sensor, it is characterised in that grating temperature The test surface and the copper connector shield external layer part of bus connector for spending sensor directly contact, and by grating temperature sensor Be bonded on copper connector shield external layer part, partial discharge pulse current sensor and low current sensor be from top to bottom mounted on from The certain position in ground, the ground line of insulating tube type busbar ontology is successively from partial discharge pulse current sensor and low current sensor The center hole at middle part passes through, and temperature monitoring device, bus insulation monitoring device, monitoring warning device are mounted in subassembly wrapper, light The signal output end of grid temperature sensor is connected with the signal input part of temperature monitoring device through single mode optical fiber, partial discharge pulse current Two signal input parts of sensor, the signal output end of low current sensor and bus insulation monitoring device are coaxially believed respectively The connection of number line, the RS485 communication of temperature monitoring device, the RS485 communication port of bus insulation monitoring device and monitoring warning device Mouth is through multiple twin shielding communication cable connection, monitoring warning device, temperature monitoring device, bus insulation monitoring device power input With 220V AC power source through cable connection.
2. a kind of integrated insulating tube type busbar connector according to claim 1 monitors system, it is characterised in that grating Temperature sensor is the passive ceramic fiber-optic grating sensor of model OFT200-35, can be in bus connector in practical application Copper connector shield external layer many places are installed by more grating temperature sensors, the signal output end and temperature of more grating temperature sensors Multiple signal input parts that degree monitoring device itself has are connected through single mode optical fiber respectively.
3. a kind of integrated insulating tube type busbar connector according to claim 1 monitors system, it is characterised in that partial discharge Pulses of current sensor model is XJJD-2000.
4. a kind of integrated insulating tube type busbar connector according to claim 1 monitors system, it is characterised in that micro- electricity Flow sensor model is XJS-500.
5. a kind of integrated insulating tube type busbar connector according to claim 1 monitors system, it is characterised in that monitoring Prior-warning device model is IED81.
6. a kind of integrated insulating tube type busbar connector according to claim 1 monitors system, it is characterised in that temperature Monitoring device model is GMFT320.
7. a kind of integrated insulating tube type busbar connector according to claim 1 monitors system, it is characterised in that bus Insulation monitoring device model is GMINS200.
CN201910164740.1A 2019-03-05 2019-03-05 A kind of integration insulating tube type busbar connector monitoring system Pending CN109738770A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110196082A (en) * 2019-07-11 2019-09-03 谢明仿 A kind of environment monitoring device and method of electronic mutual inductor
CN110412418A (en) * 2019-07-22 2019-11-05 国网湖北省电力有限公司电力科学研究院 Insulating tube type busbar insulation diagnosis and localization method based on earth current measurement
CN112146692A (en) * 2020-09-16 2020-12-29 科瑞工业自动化系统(苏州)有限公司 Waterproof assembling method of waterproof sensor
CN116699341A (en) * 2023-08-08 2023-09-05 长缆电工科技股份有限公司 Measuring device of inflatable ring main unit side expansion type bus connector system

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110196082A (en) * 2019-07-11 2019-09-03 谢明仿 A kind of environment monitoring device and method of electronic mutual inductor
CN110412418A (en) * 2019-07-22 2019-11-05 国网湖北省电力有限公司电力科学研究院 Insulating tube type busbar insulation diagnosis and localization method based on earth current measurement
CN112146692A (en) * 2020-09-16 2020-12-29 科瑞工业自动化系统(苏州)有限公司 Waterproof assembling method of waterproof sensor
CN116699341A (en) * 2023-08-08 2023-09-05 长缆电工科技股份有限公司 Measuring device of inflatable ring main unit side expansion type bus connector system

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