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 PDFInfo
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- 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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- 238000012544 monitoring process Methods 0.000 title claims abstract description 58
- 230000010354 integration Effects 0.000 title claims abstract description 6
- 238000012806 monitoring device Methods 0.000 claims abstract description 64
- 238000009413 insulation Methods 0.000 claims abstract description 41
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 11
- 229910052802 copper Inorganic materials 0.000 claims abstract description 11
- 239000010949 copper Substances 0.000 claims abstract description 11
- 238000004891 communication Methods 0.000 claims description 10
- 239000013307 optical fiber Substances 0.000 claims description 8
- 238000012360 testing method Methods 0.000 claims description 4
- 239000000919 ceramic Substances 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims 1
- 230000003993 interaction Effects 0.000 abstract description 4
- 238000007726 management method Methods 0.000 description 7
- 230000003247 decreasing effect Effects 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 239000004020 conductor Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000002159 abnormal effect Effects 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
- 238000012512 characterization method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 1
- 239000002390 adhesive tape Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000747 cardiac effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 230000000153 supplemental effect Effects 0.000 description 1
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical compound FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 description 1
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
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.
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Cited By (4)
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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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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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