CN206696656U - A kind of cable shaft ditch on-line monitoring system - Google Patents
A kind of cable shaft ditch on-line monitoring system Download PDFInfo
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- CN206696656U CN206696656U CN201720425790.7U CN201720425790U CN206696656U CN 206696656 U CN206696656 U CN 206696656U CN 201720425790 U CN201720425790 U CN 201720425790U CN 206696656 U CN206696656 U CN 206696656U
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- cable
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 19
- 238000012545 processing Methods 0.000 claims abstract description 61
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 47
- 239000013307 optical fiber Substances 0.000 claims abstract description 11
- 238000009529 body temperature measurement Methods 0.000 claims abstract description 10
- 239000000835 fiber Substances 0.000 claims abstract description 10
- 238000001514 detection method Methods 0.000 claims description 21
- 238000004891 communication Methods 0.000 claims description 5
- 238000007667 floating Methods 0.000 claims description 4
- 230000003287 optical effect Effects 0.000 claims description 4
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 claims 1
- 239000007789 gas Substances 0.000 description 13
- 239000002737 fuel gas Substances 0.000 description 7
- 230000005611 electricity Effects 0.000 description 6
- 238000012423 maintenance Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000007429 general method Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The utility model discloses a kind of cable shaft ditch on-line monitoring system, including central processing unit, optic fiber thermometer, signal processing of partial discharge device, temperature measurement data collector, RS485 intelligence instruments, data acquisition unit, A/D converting units, warning device, for the blower fan taken a breath to cable shaft ditch, water pump, local discharge sensor, temperature sensing optical fiber, thermometric transmitter, gas detector, water level detector and ambient temperature and humidity detector, the temperature of cable in the automatic monitoring cable shaft ditch, the layout discharge signal and temperature of cable interface, and the temperature in cable shaft ditch, combustable gas concentration and environment temperature, automatically controlling for temperature and water in cable shaft ditch is realized simultaneously.
Description
Technical field
The utility model belongs to cable shaft ditch monitoring technical field, is related to a kind of cable shaft ditch on-line monitoring system.
Background technology
Accelerate as scale of urbanization expands construction speed, corresponding city affiliated facility construction is equally quickly grown, electricity
Power cable power supply network is also able to fast development, and underground supply network in large scale, cable distribution is numerous, how to develop simultaneously
To power department cable running safety, accident prevention also proposes requirements at the higher level.The most of Utilities Electric Co.s in the whole nation are the same at present, to electricity
The management of main cable is also in the scheduled overhaul stage in power tunnel, raceway groove, and the general method using periodical inspection is to cable
Operation conditions is checked.Economically with for technical standpoint, scheduled overhaul has significant limitation, such as periodically examination
Test and overhaul and cause very big directly or indirectly economic waste, many insulation defects and potential failure can not be found in time.
In the park of the Chongqing Jiangbei great favor temple on the 22nd of August in 2016, from descending 300 meters or so of north gate, a cable shaft ditch catches fire, and causes
Power breakdown, the electricity consumption to people more than 30,000 cause serious influence.With the increasing year by year of State Grid's infrastructure input
Greatly, the length of electric power tunnel is also increasing sharply, because the growth rate of operation maintenance personnel does not catch up with electric power basis much
The growth rate of facility, electric power tunnel operation work is caused to be faced with immense pressure, furthermore with the accelerated development in city, electric power
Raceway groove and high pressure line increase rapidly, and electric load sharply increases, and operation maintenance work of the Utilities Electric Co. to tunnel faces
Immense pressure.How to ensure tunnel inner cable not because of the big accident safe for operation of situations such as overloading, overheating burst, tunnel inner product
Water, combustable gas concentration etc. do not interfere with the new requirements such as the safety of electric power system, want solve the variety of problems currently faced, only
It is unrealistic with government pressure to tackle increasing rapidly for electric power tunnel by substantial increase operations staff's quantity, using modernization
Technological means come to improve electric power tunnel operation and maintenance level be the task of top priority.
Utility model content
A kind of the shortcomings that the purpose of this utility model is to overcome above-mentioned prior art, there is provided cable shaft ditch on-line monitoring
System, the temperature of cable, the partial discharge electric signal of cable interface and temperature and cable shaft in the automatic monitoring cable shaft ditch
Temperature, combustable gas concentration and environment temperature in ditch, while realize automatically controlling for temperature and water in cable shaft ditch.
To reach above-mentioned purpose, cable shaft ditch on-line monitoring system described in the utility model includes central processing unit, light
Fine temperature measurer, signal processing of partial discharge device, temperature measurement data collector, RS485 intelligence instruments, data acquisition unit, A/D conversions
Unit, warning device, the blower fan for being taken a breath to cable shaft ditch, the water pump of water for extracting cable shaft ditch bottom, use
In detection cable well ditch the local discharge sensor of the local discharge signal of cable interface, for cable in detection cable well ditch
The temperature sensing optical fiber of temperature, the thermometric transmitter for detection cable well ditch middle cable connector temperature, in detection cable well ditch
The gas detector of combustable gas concentration, the water level detector for detection cable well ditch bottom water level and for detection cable well
The ambient temperature and humidity detector of temperature in ditch；
Temperature sensing optical fiber is connected by optic fiber thermometer with central processing unit, and the output end of local discharge sensor is through part
Discharge signal processor is connected with central processing unit, the output end of thermometric transmitter successively through temperature measurement data collector and
RS485 intelligence instruments and central processing unit are connected, the input of data acquisition unit and the output end of gas detector, water level
The output end of detector and the output end of ambient temperature and humidity detector are connected, data acquisition unit by A/D converting units with
Central processing unit is connected, and the output end of central processing unit passes through the control terminal of driver element and warning device, the control of blower fan
The control terminal of end and water pump is connected, and work station is connected with central processing unit.
Signal processing of partial discharge device is connected through optical transmitter and receiver and interchanger with central processing unit successively.
Also include remote terminal, central processing unit is connected by radio communication unit with remote terminal.
Central processing unit is connected with print unit.
It is connected between optic fiber thermometer and central processing unit by LAN.
The water level detector is dry-reed duckbilled or floating ball sensor.
The utility model has the advantages that：
Cable shaft ditch on-line monitoring system described in the utility model and method are passed in concrete operations by shelf depreciation
The local discharge signal of cable interface in sensor detection cable well ditch, pass through thermometric transmitters sense cable shaft ditch middle cable connector
Temperature information, by the temperature information of cable in temperature sensing optical fiber detection cable well ditch, pass through gas detector detection cable well
The concentration information of fuel gas in ditch, temperature information and humidity letter in cable shaft ditch are gathered by ambient temperature and humidity detector
Breath, each information then obtained by work station display detection, realize that the temperature of cable, cable connect in automatic monitoring cable shaft ditch
The partial discharge electric signal and temperature of mouth and the humidity in cable shaft ditch, the purpose of combustable gas concentration and environment temperature.In addition,
Combustable gas concentration of the work station in cable shaft ditch automatically controls blower fan, realize in cable shaft ditch fuel gas it is automatic
Regulation, work station are realized the automatic extraction to cable shaft ditch reclaimed water, grasped according to the water level automatically controlled water pump of cable shaft ditch reclaimed water
To make simply, conveniently, to be comprehensively monitored cable shaft ditch, automaticity is higher, convenient for installation and maintenance, and cost is low,
Reliability is higher, can effectively improve electric power tunnel running environment, ensures the safety of power cable in electric power tunnel and tunnel
Stable operation.
Brief description of the drawings
Fig. 1 is schematic diagram of the present utility model.
Wherein, 1 it is cable interface, 2 be local discharge sensor, 3 be signal processing of partial discharge device, 4 is optical transmitter and receiver, 5
It is central processing unit for interchanger, 6,7 be RS485 intelligence instruments, 8 be temperature measurement data collector, 9 be thermometric transmitter, 10 is
LAN, 11 be optic fiber thermometer, 12 be temperature sensing optical fiber, 13 be A/D converting units, 14 be data acquisition unit, 15 be gas
Detector, 16 be water level detector, 17 be ambient temperature and humidity detector, 18 be work station, 19 be radio communication unit, 20 be remote
Journey terminal, 21 be print unit, 22 be driver element, 23 be warning device, 24 be blower fan, 25 be water pump.
Embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings：
With reference to figure 1, cable shaft ditch on-line monitoring system described in the utility model includes central processing unit 6, optical fiber temperature-measurement
Instrument 11, signal processing of partial discharge device 3, temperature measurement data collector 8, RS485 intelligence instruments 7, data acquisition unit 14, A/D turn
Change unit 13, warning device 23, the blower fan 24 for being taken a breath to cable shaft ditch, water for extracting cable shaft ditch bottom
Water pump 25, for the local discharge sensor 2 of the local discharge signal of cable interface 1 in detection cable well ditch, for detecting electricity
The temperature sensing optical fiber 12 of the temperature of cable 1, the thermometric transmitter 9 for detection cable well ditch middle cable connector temperature, use in cable well ditch
The gas detector 15 of combustable gas concentration, the water-level detecting for detection cable well ditch bottom water level in detection cable well ditch
Device 16 and the ambient temperature and humidity detector 17 for temperature in detection cable well ditch；Temperature sensing optical fiber 12 by optic fiber thermometer 11 with
Central processing unit 6 is connected, and the output end of local discharge sensor 2 is through signal processing of partial discharge device 3 and the phase of central processing unit 6
Connection, the output end of thermometric transmitter 9 is successively through temperature measurement data collector 8 and RS485 intelligence instruments 7 and the phase of central processing unit 6
Connection, the input of data acquisition unit 14 and the output end of gas detector 15, the output end and environment of water level detector 16
The output end of Temperature and Humidity device 17 is connected, and data acquisition unit 14 is connected by A/D converting units 13 with central processing unit 6
Connect, the output end of central processing unit 6 passes through control terminal, the control terminal and water pump of blower fan 24 of driver element 22 and warning device 23
25 control terminal is connected, and work station 18 is connected with central processing unit 6.
Signal processing of partial discharge device 3 is connected through optical transmitter and receiver 4 and interchanger 5 with central processing unit 6 successively；This practicality is new
Type also includes remote terminal 20, and central processing unit 6 is connected by radio communication unit 19 with remote terminal 20；Central processing unit
6 are connected with print unit 21；It is connected between optic fiber thermometer 11 and central processing unit 6 by LAN 10；The water level is visited
It is dry-reed duckbilled or floating ball sensor to survey device 16.
Specific operation process of the present utility model is：
Local discharge sensor 2 monitors the local discharge signal of cable interface 1 in cable shaft ditch, and by the cable interface
1 local discharge signal is filtered successively by signal processing of partial discharge device 3, is amplified and peakvalue's checking, is retransmited into
In central processor 6, central processing unit 6 sends the local discharge signal of cable interface 1 into work station 18, and work station 18 is shown
The layout discharge signal of the cable interface 1；
Temperature measurement data collector 8 monitors the temperature information of cable in cable shaft ditch by thermometric transmitter 9 in real time, and by electricity
The temperature information of cable well ditch middle cable connector is sent into central processing unit 6 through RS485 intelligence instruments 7, and central processing unit 6 is by institute
The temperature information for stating cable shaft ditch middle cable connector is sent into work station 18, cable in the real-time display cable shaft ditch of work station 18
The temperature information of joint；
Optic fiber thermometer 11 monitors the temperature information of cable 1 in cable shaft ditch by temperature sensing optical fiber 12 in real time, and by cable
The temperature information of cable 1 is sent into central processing unit 6 in well ditch, and central processing unit 6 is by the temperature of cable 1 in the cable shaft ditch
Degree information is sent into work station 18, and work station 18 shows the temperature information of cable 1 in cable shaft ditch；
Data acquisition unit 14 gathers the concentration information of fuel gas in cable shaft ditch by gas detector 15 in real time, and
The concentration information of fuel gas in cable shaft ditch is sent into central processing unit 6, central processing unit 6 is by the cable shaft ditch
The concentration information of fuel gas is sent into work station 18, and work station 18 is carried out to the concentration information of fuel gas in cable shaft ditch
Storage, and when the concentration of fuel gas in cable shaft ditch is more than or equal to the default density, then the first drive signal is produced, and will
First drive signal is sent into central processing unit 6, and central processing unit 6 is single by driving according to first drive signal
Member 22 drives blower fan 24 to work, and the ventilation of cable shaft ditch is realized by blower fan 24；
Data acquisition unit 14 gathers the water level information of cable shaft ditch bottom water by water level detector 16 in real time, and by electricity
The water level information of cable well ditch bottom water is sent into central processing unit 6, and central processing unit 6 is by the water of the cable shaft ditch bottom water
Position information is sent into work station 18, and work station 18 stores to the water level information of cable shaft ditch bottom water, and works as cable shaft
When the water level of ditch bottom water is more than or equal to preset water level value, then the second drive signal is produced, and second drive signal is sent out
Deliver in central processing unit 6, central processing unit 6 drives the work of water pump 25 according to second drive signal by driver element 22
Make, water pump 25 extracts the water in cable shaft ditch；
Data acquisition unit 14 gathers temperature information in cable shaft ditch and wet by ambient temperature and humidity detector 17 in real time
Information is spent, and the temperature information in cable shaft ditch and humidity information are sent into central processing unit 6, central processing unit 6 is by institute
State the temperature information in cable shaft ditch and humidity information is sent into work station 18, work station 18 is believed the temperature in cable shaft ditch
Breath and humidity information are stored, and when the temperature in cable shaft ditch is more than or equal to preset temperature value or when in cable shaft ditch
When temperature is more than or equal to default humidity value, then the 3rd drive signal is produced, and the 3rd drive signal is sent to centre
Manage in device 6, central processing unit 6 drives warning device 23 to work according to the 3rd drive signal by driver element 22, passes through
Warning device 23 realizes alarm.
Wherein, the water level detector 16 is dry-reed duckbilled or floating ball sensor, and dry-reed duckbilled or ball float pass
Sensor can adapt to various complex water level environment, and the ambient temperature and humidity detector 17 is AM series sensors, AM series of sensor
Device can be monitored effectively in real time to the environment temperature and humidity of equipment operation, and upload valid data.
The control print unit 21 of work station 18 is monitored the printing of data, while work station 18 passes through central processing unit 6
And radio communication unit 19 sends the data that monitoring obtains to remote terminal 20.
While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art,
It is appreciated that these embodiments can be carried out with a variety of changes in the case where not departing from principle of the present utility model and spirit, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (6)
1. a kind of cable shaft ditch on-line monitoring system, it is characterised in that including central processing unit (6), optic fiber thermometer (11), office
Portion's discharge signal processor (3), temperature measurement data collector (8), RS485 intelligence instruments (7), data acquisition unit (14), A/D turn
Change unit (13), warning device (23), for cable shaft ditch is taken a breath blower fan (24), for extracting cable shaft ditch bottom
Water water pump (25), the local discharge sensor for the local discharge signal of cable interface (1) in detection cable well ditch
(2), for the temperature sensing optical fiber (12) of cable (1) temperature in detection cable well ditch, for detection cable well ditch middle cable connector temperature
The thermometric transmitter (9) of degree, for the gas detector (15) of combustable gas concentration in detection cable well ditch, for detection cable
The water level detector (16) of well ditch bottom water level and the ambient temperature and humidity detector (17) for temperature in detection cable well ditch；
Temperature sensing optical fiber (12) is connected by optic fiber thermometer (11) with central processing unit (6), local discharge sensor (2) it is defeated
Go out end through signal processing of partial discharge device (3) with central processing unit (6) to be connected, the output end of thermometric transmitter (9) passes through successively
Temperature measurement data collector (8) and RS485 intelligence instruments (7) and central processing unit (6) are connected, data acquisition unit (14) it is defeated
Enter to hold defeated with the output end of gas detector (15), the output end of water level detector (16) and ambient temperature and humidity detector (17)
Go out end to be connected, data acquisition unit (14) is connected by A/D converting units (13) with central processing unit (6), central processing
Control terminal, the control terminal and water pump of blower fan (24) that the output end of device (6) passes through driver element (22) and warning device (23)
(25) control terminal is connected, and work station (18) is connected with central processing unit (6).
2. cable shaft ditch on-line monitoring system according to claim 1, it is characterised in that signal processing of partial discharge device
(3) it is connected successively through optical transmitter and receiver (4) and interchanger (5) with central processing unit (6).
3. cable shaft ditch on-line monitoring system according to claim 1, it is characterised in that also including remote terminal (20),
Central processing unit (6) is connected by radio communication unit (19) with remote terminal (20).
4. cable shaft ditch on-line monitoring system according to claim 1, it is characterised in that central processing unit (6) is connected with
Print unit (21).
5. cable shaft ditch on-line monitoring system according to claim 1, it is characterised in that optic fiber thermometer (11) and center
It is connected between processor (6) by LAN (10).
6. cable shaft ditch on-line monitoring system according to claim 1, it is characterised in that the water level detector (16) is
Dry-reed duckbilled or floating ball sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720425790.7U CN206696656U (en) | 2017-04-21 | 2017-04-21 | A kind of cable shaft ditch on-line monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720425790.7U CN206696656U (en) | 2017-04-21 | 2017-04-21 | A kind of cable shaft ditch on-line monitoring system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206696656U true CN206696656U (en) | 2017-12-01 |
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ID=60445504
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720425790.7U Expired - Fee Related CN206696656U (en) | 2017-04-21 | 2017-04-21 | A kind of cable shaft ditch on-line monitoring system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206696656U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106970564A (en) * | 2017-04-21 | 2017-07-21 | 国家电网公司 | A kind of cable shaft ditch on-line monitoring system and method |
| CN114019423A (en) * | 2021-11-12 | 2022-02-08 | 国网新疆电力有限公司乌鲁木齐供电公司 | Distribution cable connector abnormal state on-line monitoring alarm device |
-
2017
- 2017-04-21 CN CN201720425790.7U patent/CN206696656U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106970564A (en) * | 2017-04-21 | 2017-07-21 | 国家电网公司 | A kind of cable shaft ditch on-line monitoring system and method |
| CN114019423A (en) * | 2021-11-12 | 2022-02-08 | 国网新疆电力有限公司乌鲁木齐供电公司 | Distribution cable connector abnormal state on-line monitoring alarm device |
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Legal Events
| 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: 20171201 Termination date: 20180421 |
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| CF01 | Termination of patent right due to non-payment of annual fee |