CN206132834U - Cable circulation on -line monitoring device - Google Patents
Cable circulation on -line monitoring device Download PDFInfo
- Publication number
- CN206132834U CN206132834U CN201621119654.7U CN201621119654U CN206132834U CN 206132834 U CN206132834 U CN 206132834U CN 201621119654 U CN201621119654 U CN 201621119654U CN 206132834 U CN206132834 U CN 206132834U
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- cable
- circulation
- tension cable
- current transformer
- signal transmission
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- 238000012806 monitoring device Methods 0.000 title abstract 2
- 230000008054 signal transmission Effects 0.000 claims abstract description 16
- 239000002184 metal Substances 0.000 claims description 31
- 229910052751 metal Inorganic materials 0.000 claims description 31
- 230000001681 protective effect Effects 0.000 claims description 21
- 230000036413 temperature sense Effects 0.000 claims description 5
- 230000005611 electricity Effects 0.000 claims description 3
- 210000000080 chela (arthropods) Anatomy 0.000 claims 1
- 238000012544 monitoring process Methods 0.000 abstract description 8
- 230000007547 defect Effects 0.000 abstract description 5
- 238000009434 installation Methods 0.000 description 4
- 238000009413 insulation Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 230000007704 transition Effects 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000001154 acute effect Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007429 general method Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model discloses a cable circulation on -line monitoring device, including installing the current transformer in high tension cable joint department, the ground connection circulation collection system who all is connected with the metallic sheath of all high tension cable earth connections, install the belt temperature sensor on the metallic sheath of high tension cable earth connection, high tension cable top layer temperature acquisition device, signal transmission device and the server of receiving signal transmission device signals, the signal transmission device respectively with current transformer, ground connection circulation collection system, belt temperature sensor and high tension cable top layer temperature acquisition device link to each other, be provided with the display on the signal transmission device, the signal transmission device includes wired signal transmission device and the wireless signal transmission device that links to each other with the server, the utility model discloses a to the monitoring of high tension cable metallic sheath circulation, can discover in time that there is the defect in cable metallic sheath to prevent the emergence of high tension cable accident effectively, ensure high tension cable's safety and stability operation.
Description
Technical field
The utility model belongs to cable monitoring field, and in particular to cable circulation on-Line Monitor Device.
Background technology
At present, frequently with single structure, the alternating magnetic field that its operating current is produced will be produced high-tension cable on protective metal shell
Raw induced electromotive force.If sheath two ends are directly grounded or cross connection grounding, three-phase protective metal shell and megarelief are produced into circulation
Added losses, reduce life-span and the conveying capacity of cable.By the on-line monitoring to high-voltage cable metal sheath circulation, can be in time
It was found that the defect that cable metal sheath is present, so as to effectively prevent the generation of power cable accident, it is ensured that the peace of power cable
Full stable operation.
Under normal circumstances, because interlinking with cable core there is certain induced potential in cable metal sheath, in accident and be
In the case of system internal overvoltage or Lightning Over-voltage, induced potential is particularly acute.Therefore, cable metal sheath must correctly connect
Ground, is limited in cable metal sheath on permission earthing potential using the earth.At present, high-tension cable mostly is single-core cable, single
Cable metal sheath one point earth under normal circumstances, circulation is minimum on protective metal shell, mainly capacity current, if sheath two ends
It is directly grounded or cross connection grounding, three-phase protective metal shell and megarelief are into circulation, and circulation is dramatically increased, up to main when serious
More than the 90% of electric current.
For a long time, the general method using periodical inspection is to cable passage and the fortune of the Voltage Cable Lines Construction of cable passage
Row state is checked, high-tension cable is lacked and is protected there is larger potential safety hazard.
Utility model content
Technical problem to be solved in the utility model is just to provide and a kind of the metal of the ground wire of high-tension cable can be protected
The cable circulation on-Line Monitor Device that set is monitored.
To solve above-mentioned technical problem, the utility model is adopted the following technical scheme that：Cable circulation on-Line Monitor Device, bag
Include is used for the current transformer and all high-tension cable ground wires that measure high-tension cable electric current at high-voltage cable joint
The grounding circulation harvester that protective metal shell is all connected with, the belt temperature on the protective metal shell of high-tension cable ground wire are passed
Sensor, high-tension cable skin temperature harvester, signal transmitting apparatus and reception signal transmitting apparatus send the service of signal
Device, signal transmitting apparatus respectively with current transformer, grounding circulation harvester, belt temperature sensor and high-tension cable top layer
Temperature collecting device is connected, and display is provided with signal transmitting apparatus, and signal transmitting apparatus include that what is be connected with display has
Line signal transmitting apparatus and the wireless signal transmission being connected with server.
Further, current transformer is single mode current transformer.
Further, current transformer is split core type current transformer.
Further, the current range of grounding circulation harvester is 0～100A.
Further, belt temperature sensor includes eight temperature sense areas.
Compared with prior art, the beneficial effects of the utility model are：
1st, this device gathers high-tension cable current signal by installing current transformer additional at high-voltage cable joint, passes through
Connect grounding circulation harvester on the protective metal shell of all high-tension cable ground wires, gather on the protective metal shell of ground wire
Current signal；The temperature of protective metal shell is acquired by belt temperature sensor, the small volume of belt temperature sensor,
Pliability preferably, is easily installed in the outside of protective metal shell, is taken up room little；By high-tension cable skin temperature harvester,
The insulation skin temperature of high-tension cable is acquired, by belt temperature sensor and high-tension cable skin temperature collection dress
Put, realize that the temperature 24 hours to high-tension cable surface running temperature and the protective metal shell of high-tension cable ground wire is uninterrupted continuous
On-line monitoring.The signal transmitting apparatus being connected with current transformer and grounding circulation harvester at a certain time interval will
The current signal on current signal, grounding circulation harvester on current transformer, the letter of the temperature on belt temperature sensor
Number and high-tension cable skin temperature harvester on temperature signal by signal transmitting apparatus transmit, by wire signal transmit
Device is transferred to display and is shown, while pass the signal to server maps by wireless signal transmission connecing into 2D
Ground circulation curve, temperature variation curve and 3D show figure, compare with the database in server 6, automatic decision cable
Defect type, there is provided the abnormal warning of cable.
2nd, by using single mode current transformer so that the signal transmission of current transformer faster, while single-mode fiber ratio
It is relatively thin, the volume of current transformer can be reduced, it is easy to the installation of current transformer.
3rd, split core type current transformer is applied to the on-line monitoring of the high-tension cable for having put into operation, without changing cable accessory
Structure, the current transformer of clamp type structure easily can be arranged on cable termination or transition joint near cable body on,
Its measuring loop and high-tension cable can suppress using safety and preferably noise without directly electrical connection, not only, thus tool
Have the advantages that flexibility is preferable, easy to operate and safe.
4th, the current range of current transformer takes 0～100A, can both ensure preferable linear ratio relation under small current, and
The saturation performance under high current can be ensured.
5th, belt temperature sensor has eight temperature sense areas, and belt temperature sensor is expanded significantly can temperature sensor
Scope, a belt temperature inductor can be connected with the protective metal shell of eight ground wires, it is ensured that while certainty of measurement, greatly
The installation of belt temperature inductor is reduced greatly, the set-up time is saved, while saving production cost.
Compared with prior art, the utility model can be found in time by the monitoring to high-voltage cable metal sheath circulation
Cable metal sheath existing defects, so as to effectively prevent the generation of high-tension cable accident, it is ensured that the safety and stability of high-tension cable
Operation.
Description of the drawings
The utility model is further described with reference to the accompanying drawings and detailed description：
Fig. 1 is the schematic diagram of the utility model novel cable circulation on-Line Monitor Device.
Wherein：1st, current transformer；2nd, grounding circulation harvester；3rd, belt temperature sensor；4th, high-tension cable top layer
Temperature collecting device；5th, signal transmitting apparatus；51st, wire signal transmitting device；52nd, wireless signal transmission；53rd, show
Device；6th, server.
Specific embodiment
The embodiment of the utility model cable circulation on-Line Monitor Device is described further with reference to Fig. 1.
Cable circulation on-Line Monitor Device, including being arranged at high-voltage cable joint the electricity for measuring high-tension cable electric current is used for
Grounding circulation harvester 2 that the protective metal shell of current transformer 1 and all high-tension cable ground wires is all connected with, installed in high pressure
Belt temperature sensor 3, high-tension cable skin temperature harvester 4, signal transmission dress on the protective metal shell of cable grounding line
Put 5 and receive signal transmitting apparatus 5 and send the server 6 of signal, signal transmitting apparatus 5 respectively with current transformer 1, ground connection
Circulation harvester 2, belt temperature sensor 3 are connected with high-tension cable skin temperature harvester 4, on signal transmitting apparatus 5
Be provided with display 53, signal transmitting apparatus 5 include the wire signal transmitting device 51 being connected with display 53 and with service
The connected wireless signal transmission 52 of device 6, current transformer 1 is single mode current transformer 1, and current transformer 1 is pincerlike electricity
Current transformer 1, the current range of grounding circulation harvester 2 is 0～100A, and belt temperature sensor 3 includes eight temperature senses
Answer area.
Be provided with data acquisition module, analog-to-digital conversion module and processing module in signal transmitting apparatus 5, this device by
Install the single mode current transformer 1 that scope is 0～100A at high-voltage cable joint additional, high-tension cable current signal is gathered, by making
With single mode current transformer 1 so that the signal transmission of current transformer 1 faster, while single-mode fiber is thinner, can reduce electric current
The volume of transformer 1, is easy to the installation of current transformer 1；By connecting on the protective metal shell of all high-tension cable ground wires
Grounding circulation harvester 2, gathers the current signal on the protective metal shell of ground wire；By belt temperature sensor 3 to metal
The temperature of sheath is acquired, the small volume of belt temperature sensor 3, and pliability preferably, is easily installed in protective metal shell
Outside；By high-tension cable skin temperature harvester 4, the insulation skin temperature of high-tension cable is acquired, by belt
Temperature sensor 3 and high-tension cable skin temperature harvester 4, realization connects to high-tension cable surface running temperature and high-tension cable
24 hours uninterrupted continuous on-line monitorings of temperature of the protective metal shell of ground wire.
The signal transmitting apparatus 5 being connected with current transformer 1 and grounding circulation harvester 2 pass through data acquisition module
Block, at a certain time interval by current signal, the band on the current signal on current transformer 1, grounding circulation harvester 2
The temperature signal collection on temperature signal and high-tension cable skin temperature harvester 4 on formula temperature sensor 3 to signal is passed
In defeated device 5, the data signal that can be processed analog-signal transitions for processing module by analog-to-digital conversion module, then
These data are transferred to display 53 and are shown by processing module by wire signal transmitting device 51, while passing through wireless communication
Number transmitting device 52 by the signal being disposed be sent to server 6 be depicted as 2D grounding circulation curves, temperature variation curve and
3D shows figure, compares with the database in server 6, the defect type of automatic decision cable, there is provided the abnormal report of cable
It is alert.
Normal conditions, the electric current letter on grounding circulation harvester 2 maintains one with the current ratio on current transformer 1
Fluctuation in individual less scope, if the ratio increases suddenly, while the temperature on belt temperature sensor 3 becomes big, then illustrates gold
Larger grounding circulation is defined on category sheath；If the temperature value of high-tension cable skin temperature harvester 4 becomes big, height is illustrated
There is damaged aging phenomenon in the insulation top layer of voltage cable.
Split core type current transformer 1 is applied to the on-line monitoring of the high-tension cable for having put into operation, without changing cable accessory
Structure, the current transformer 1 of clamp type structure easily can be arranged on cable termination or transition joint near cable body on,
Its measuring loop and high-tension cable can suppress using safety and preferably noise without directly electrical connection, not only, thus tool
Have the advantages that flexibility is preferable, easy to operate and safe.
The current range of current transformer 1 takes 0～100A, can both ensure preferable linear ratio relation under small current, and
The saturation performance under high current can be ensured.
Belt temperature sensor 3 has eight temperature sense areas, and belt temperature sensor 3 is expanded significantly can temperature sensor
Scope, a belt temperature inductor can be connected with the protective metal shell of eight ground wires, it is ensured that while certainty of measurement, greatly
The installation of belt temperature inductor is reduced greatly, the set-up time is saved, while saving production cost.
The above is only preferred embodiment of the present utility model, and protection domain of the present utility model is not limited merely to
Above-described embodiment, all technical schemes belonged under the utility model thinking belong to protection domain of the present utility model.Should refer to
Go out, for those skilled in the art, some improvement under the premise of without departing from the utility model principle and
Retouching, these improvements and modifications also should be regarded as protection domain of the present utility model.
Claims (5)
1. cable circulation on-Line Monitor Device, it is characterised in that：It is used to measure high-tension electricity including being arranged at high-voltage cable joint
Grounding circulation harvester, peace that the protective metal shell of the current transformer of cable electric current and all high-tension cable ground wires is all connected with
Belt temperature sensor, high-tension cable skin temperature harvester, the signal being mounted on the protective metal shell of high-tension cable ground wire
Transmitting device and receive signal transmitting apparatus and send the server of signal, the signal transmitting apparatus respectively with Current Mutual Inductance
Device, grounding circulation harvester, belt temperature sensor are connected with high-tension cable skin temperature harvester, the signal transmission
Be provided with display on device, the signal transmitting apparatus include the wire signal transmitting device being connected with display and with clothes
The connected wireless signal transmission of business device.
2. cable circulation on-Line Monitor Device according to claim 1, it is characterised in that：The current transformer is single mode
Current transformer.
3. cable circulation on-Line Monitor Device according to claim 2, it is characterised in that：The current transformer is pincer
Current transformer.
4. cable circulation on-Line Monitor Device according to claim 1, it is characterised in that：The grounding circulation harvester
Current range be 0～100A.
5. cable circulation on-Line Monitor Device according to claim 1, it is characterised in that：The belt temperature sensor bag
Include eight temperature sense areas.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621119654.7U CN206132834U (en) | 2016-10-13 | 2016-10-13 | Cable circulation on -line monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621119654.7U CN206132834U (en) | 2016-10-13 | 2016-10-13 | Cable circulation on -line monitoring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206132834U true CN206132834U (en) | 2017-04-26 |
Family
ID=58574001
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621119654.7U Expired - Fee Related CN206132834U (en) | 2016-10-13 | 2016-10-13 | Cable circulation on -line monitoring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206132834U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109631987A (en) * | 2018-12-03 | 2019-04-16 | 国网浙江省电力有限公司电力科学研究院 | A kind of multi-parameter integrated monitoring and warning system of cable |
| CN110031732A (en) * | 2019-04-15 | 2019-07-19 | 安徽康能电气有限公司 | A kind of comprehensive on-line monitoring system of cable sheath |
| CN110095698A (en) * | 2019-06-18 | 2019-08-06 | 山东钢铁股份有限公司 | A kind of metallic shield grounding monitoring system and method for single-core cable |
-
2016
- 2016-10-13 CN CN201621119654.7U patent/CN206132834U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109631987A (en) * | 2018-12-03 | 2019-04-16 | 国网浙江省电力有限公司电力科学研究院 | A kind of multi-parameter integrated monitoring and warning system of cable |
| CN110031732A (en) * | 2019-04-15 | 2019-07-19 | 安徽康能电气有限公司 | A kind of comprehensive on-line monitoring system of cable sheath |
| CN110095698A (en) * | 2019-06-18 | 2019-08-06 | 山东钢铁股份有限公司 | A kind of metallic shield grounding monitoring system and method for single-core cable |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170426 Termination date: 20201013 |
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| CF01 | Termination of patent right due to non-payment of annual fee |