CN106970564B - A kind of cable shaft ditch on-line monitoring system and method - Google Patents
A kind of cable shaft ditch on-line monitoring system and method Download PDFInfo
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- CN106970564B CN106970564B CN201710267559.4A CN201710267559A CN106970564B CN 106970564 B CN106970564 B CN 106970564B CN 201710267559 A CN201710267559 A CN 201710267559A CN 106970564 B CN106970564 B CN 106970564B
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 22
- 238000000034 method Methods 0.000 title claims abstract description 16
- 238000012545 processing Methods 0.000 claims abstract description 95
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 76
- 239000000835 fiber Substances 0.000 claims abstract description 13
- 239000013307 optical fiber Substances 0.000 claims abstract description 13
- 238000009529 body temperature measurement Methods 0.000 claims abstract description 11
- 238000001514 detection method Methods 0.000 claims description 24
- 239000007789 gas Substances 0.000 claims description 18
- 239000002737 fuel gas Substances 0.000 claims description 16
- 238000004891 communication Methods 0.000 claims description 5
- 238000007667 floating Methods 0.000 claims description 5
- 230000003287 optical effect Effects 0.000 claims description 4
- 238000009423 ventilation Methods 0.000 claims description 3
- 239000000284 extract Substances 0.000 claims description 2
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 claims 1
- 238000012423 maintenance Methods 0.000 description 5
- 230000005611 electricity Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 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
- 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
- 239000002699 waste material Substances 0.000 description 1
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0428—Safety, monitoring
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/24—Pc safety
- G05B2219/24024—Safety, surveillance
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Abstract
The invention discloses a kind of cable shaft ditch on-line monitoring system and methods, 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, wind turbine for taking 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 system and method monitors the temperature of cable in cable shaft ditch automatically, 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 invention belongs to cable shaft ditch monitoring technical field, it is related to a kind of cable shaft ditch on-line monitoring system and method.
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
It tests and maintenance causes prodigious 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 300 meters or so of north gate downlink, a cable shaft ditch catches fire, and causes
Power breakdown, on the electricity consumption of people more than 30,000 causes 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, since the growth rate of operation maintenance personnel does not catch up with electric power basis much
The growth rate of facility causes electric power tunnel operation work 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 Utilities Electric Co. faces the operation and maintenance in tunnel
Immense pressure.How to ensure tunnel inner cable not because of the operational safety accident that situations such as overloading, overheating happens suddenly big, tunnel inner product
Water, combustable gas concentration etc. do not interfere with the new requirements such as the safety of power supply system, want the variety of problems for solving currently to face, only
It is unrealistic with government pressure to cope with increasing rapidly for electric power tunnel by increasing significantly operations staff's quantity, using modernization
Technological means come to improve electric power tunnel operation and maintenance level be the task of top priority.
Invention content
It is an object of the invention to overcome the above-mentioned prior art, a kind of cable shaft ditch on-line monitoring system is provided
And method, the system and method monitor automatically the temperature of cable in cable shaft ditch, the partial discharge electric signal of cable interface and temperature, with
And temperature, combustable gas concentration and environment temperature in cable shaft ditch, while realizing the automatic control of temperature and water in cable shaft ditch
System.
In order to achieve the above objectives, cable shaft ditch on-line monitoring system of the present invention includes central processing unit, optical fiber survey
Wen Yi, signal processing of partial discharge device, temperature measurement data collector, RS485 intelligence instruments, data acquisition unit, A/D conversions are single
Member, warning device, the wind turbine for taking a breath to cable shaft ditch, the water for extracting cable shaft ditch bottom water pump, be used for
The local discharge sensor of the local discharge signal of cable interface in detection cable well ditch, for cable temperature in detection cable well ditch
The temperature sensing optical fiber of degree, for the thermometric transmitter of detection cable well ditch middle cable connector temperature, for can in detection cable well ditch
The gas detector of combustion gas bulk concentration, for detection cable well ditch bottom water level water level detector and be used for detection cable Jing Gou
The ambient temperature and humidity detector of middle temperature；
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 terminal 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 driving unit and warning device, the control of wind turbine
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.
Further include remote terminal, central processing unit is connected by wireless communication unit with remote terminal.
Central processing unit is connected with print unit.
It is connected by LAN between optic fiber thermometer and central processing unit.
The water level detector is dry-reed duckbilled or floating ball sensor.
Cable shaft ditch on-line monitoring method of the present invention includes the following steps：
Local discharge sensor monitors the local discharge signal of cable interface in cable shaft ditch, and by the cable interface
Local discharge signal is filtered successively by signal processing of partial discharge device, is amplified and peak detection, is retransmited to centre
It manages in device, the local discharge signal of cable interface is sent in work station by central processing unit, and work station shows that the cable connects
The partial discharge electric signal of mouth；
Temperature measurement data collector monitors the temperature information of cable shaft ditch middle cable connector by thermometric transmitter in real time, and will
The temperature information of cable shaft ditch middle cable connector is sent to through RS485 intelligence instruments in central processing unit, and central processing unit is by institute
The temperature information for stating cable shaft ditch middle cable connector is sent in work station, work station real-time display cable shaft ditch middle cable connector
Temperature information；
Optic fiber thermometer monitors the temperature information of cable in cable shaft ditch by temperature sensing optical fiber in real time, and will be in cable shaft ditch
The temperature information of cable is sent in central processing unit, and central processing unit sends the temperature information of cable in the cable shaft ditch
Into work station, work station shows the temperature information of cable in cable shaft ditch；
Data acquisition unit acquires the concentration information of fuel gas in cable shaft ditch by gas detector in real time, and will be electric
The concentration information of fuel gas is sent in central processing unit in cable well ditch, and central processing unit is by combustible gas in the cable shaft ditch
The concentration information of body is sent in work station, and work station stores the concentration information of fuel gas in cable shaft ditch, and works as
When the concentration of fuel gas is more than or equal to the default density in cable shaft ditch, then the first drive signal is generated, and by described first
Drive signal is sent in central processing unit, and central processing unit drives wind turbine according to first drive signal by driving unit
The ventilation of cable shaft ditch is realized in work by wind turbine；
Data acquisition unit acquires the water level information of cable shaft ditch bottom water by water level detector in real time, and by cable shaft
The water level information of ditch bottom water is sent in central processing unit, and central processing unit is by the water level information of the cable shaft ditch bottom water
It is sent in work station, work station stores the water level information of cable shaft ditch bottom water, and when cable shaft ditch bottom water
When water level is more than or equal to preset water level value, then the second drive signal is generated, and second drive signal is sent to centre
It manages in device, central processing unit drives pump working, water pump to extract cable shaft according to second drive signal by driving unit
Water in ditch；
Data acquisition unit acquires temperature information and humidity letter in cable shaft ditch by ambient temperature and humidity detector in real time
Breath, and by cable shaft ditch temperature information and humidity information be sent in central processing unit, central processing unit is by the cable
Temperature information and humidity information in well ditch are sent in work station, and work station is to the temperature information and humidity letter in cable shaft ditch
Breath is stored, and the temperature in the cable shaft ditch is more than or equal to preset temperature value or when the humidity in cable shaft ditch is more than etc.
When default humidity value, then third drive signal is generated, and the third drive signal is sent in central processing unit, center
Processor drives warning device work according to the third drive signal by driving unit, is realized and is alarmed by warning device.
The invention has the advantages that：
Cable shaft ditch on-line monitoring system of the present invention and method pass through local discharge sensor when specific operation
The local discharge signal of cable interface in detection cable well ditch passes through the temperature of thermometric transmitters sense cable shaft ditch middle cable connector
Information is spent, by the temperature information of cable in temperature sensing optical fiber detection cable well ditch, by gas detector detection cable well ditch
The concentration information of fuel gas acquires temperature information and humidity information in cable shaft ditch, so by ambient temperature and humidity detector
Afterwards by the obtained each information of work station display detection, the temperature of cable in automatic monitoring cable shaft ditch, cable interface are realized
The purpose of partial discharge electric signal and temperature and humidity, combustable gas concentration and environment temperature in cable shaft ditch.In addition, work
It stands and wind turbine is automatically controlled according to the combustable gas concentration in cable shaft ditch, realize the automatic tune to fuel gas in cable shaft ditch
Section, work station realize the automatic extraction to water in cable shaft ditch, operation according to the water level automatically controlled water pump of water in cable shaft ditch
Simply, conveniently, comprehensively cable shaft ditch can be monitored, the degree of automation is higher, convenient for installation and maintenance, at low cost, can
It is higher by property, it can effectively improve electric power tunnel running environment, ensure that the safety of power cable in electric power tunnel and tunnel is steady
Fixed operation.
Description of the drawings
Fig. 1 is the principle of the present invention figure.
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 wireless communication unit, 20 be remote
Journey terminal, 21 be print unit, 22 be driving unit, 23 be warning device, 24 be wind turbine, 25 be water pump.
Specific implementation mode
The present invention is described in further detail below in conjunction with the accompanying drawings：
With reference to figure 1, cable shaft ditch on-line monitoring system of the present invention include central processing unit 6, optic fiber thermometer 11,
Signal processing of partial discharge device 3, temperature measurement data collector 8, RS485 intelligence instruments 7, data acquisition unit 14, A/D converting units
13, the water pump of warning device 23, the wind turbine 24 for taking a breath to cable shaft ditch, the water for extracting cable shaft ditch bottom
25, for the local discharge sensor 2 of the local discharge signal of cable interface 1 in detection cable well ditch, be used for detection cable well
The temperature sensing optical fiber 12 of 1 temperature of cable in ditch, for the thermometric transmitter 9 of detection cable well ditch middle cable connector temperature, for examining
Survey the gas detector 15 of combustable gas concentration in cable shaft ditch, for the water level detector 16 of detection cable 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 passes through optic fiber thermometer 11 and center
Processor 6 is connected, and the output end of local discharge sensor 2 is connected through signal processing of partial discharge device 3 with central processing unit 6
It connects, the output end of thermometric transmitter 9 is connected through temperature measurement data collector 8 and RS485 intelligence instruments 7 and central processing unit 6 successively
It connects, the input terminal of data acquisition unit 14 and the output end of gas detector 15, the output end of water level detector 16 and environment temperature
The output end of moisture detector 17 is connected, and data acquisition unit 14 is connected by A/D converting units 13 with central processing unit 6
It connects, control terminal, the control terminal and water pump of wind turbine 24 that the output end of central processing unit 6 passes through driving unit 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；The present invention is also
Including remote terminal 20, central processing unit 6 is connected by wireless communication unit 19 with remote terminal 20；Central processing unit 6 connects
It is connected to print unit 21；It is connected by LAN 10 between optic fiber thermometer 11 and central processing unit 6；The water level detector
16 be dry-reed duckbilled or floating ball sensor.
Cable shaft ditch on-line monitoring method of the present invention includes the following steps：
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 peak detection, is retransmited into
In central processor 6, the local discharge signal of cable interface 1 is sent in work station 18 by central processing unit 6, 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 will be electric
The temperature information of cable well ditch middle cable connector is sent to through RS485 intelligence instruments 7 in central processing unit 6, and central processing unit 6 is by institute
The temperature information for stating cable shaft ditch middle cable connector is sent in work station 18, cable in 18 real-time display cable shaft ditch of work station
The temperature information of connector；
Optic fiber thermometer 11 is by the temperature information of cable 1 in temperature sensing optical fiber 12 in real time monitoring cable shaft ditch, and by cable
The temperature information of cable 1 is sent in 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 in work station 18, and work station 18 shows the temperature information of cable 1 in cable shaft ditch；
Data acquisition unit 14 acquires 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 in central processing unit 6, central processing unit 6 will be in the cable shaft ditch
The concentration information of fuel gas is sent in work station 18, and work station 18 carries out 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 generated, and will
First drive signal is sent in central processing unit 6, and central processing unit 6 is single by driving according to first drive signal
Member 22 drives wind turbine 24 to work, and the ventilation of cable shaft ditch is realized by wind turbine 24；
Data acquisition unit 14 acquires the water level information of cable shaft ditch bottom water by water level detector 16 in real time, and will be electric
The water level information of cable well ditch bottom water is sent in central processing unit 6, and central processing unit 6 is by the water of the cable shaft ditch bottom water
Position information is sent in work station 18, and work station 18 stores 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 generated, and second drive signal is sent out
It send into central processing unit 6, central processing unit 6 drives 25 work of water pump according to second drive signal by driving unit 22
Make, water pump 25 extracts the water in cable shaft ditch；
Data acquisition unit 14 passes through the temperature information and wet in ambient temperature and humidity detector 17 in real time acquisition cable shaft ditch
Spend information, and by cable shaft ditch temperature information and humidity information be sent in central processing unit 6, central processing unit 6 is by institute
The temperature information and humidity information stated in cable shaft ditch are sent in work station 18, and work station 18 believes 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 third drive signal is generated, and the third drive signal is sent to centre
It manages in device 6, central processing unit 6 drives warning device 23 to work according to the third drive signal by driving unit 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 floating ball 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 effectively monitor the environment temperature and humidity of equipment operation in real time, and upload valid data.
Work station 18 controls the printing that print unit 21 is monitored data, works at the same time station 18 by central processing unit 6
And the data that monitoring obtains are sent to remote terminal 20 by wireless communication unit 19.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understanding without departing from the principles and spirit of the present invention can carry out these embodiments a variety of variations, modification, replace
And modification, the scope of the present invention is defined by the appended.
Claims (6)
1. a kind of cable shaft ditch on-line monitoring method, which is characterized in that be based on cable shaft ditch on-line monitoring system, the cable shaft
Ditch on-line monitoring system includes central processing unit (6), optic fiber thermometer (11), signal processing of partial discharge device (3), temperature measurement data
Collector (8), data acquisition unit (14), A/D converting units (13), warning device (23), is used for RS485 intelligence instruments (7)
The wind turbine (24) taken a breath to cable shaft ditch, the water for extracting cable shaft ditch bottom water pump (25), be used for detection cable
The local discharge sensor (2) of the local discharge signal of cable interface (1) in well ditch, for cable (1) in detection cable well ditch
The temperature sensing optical fiber (12) of temperature, for detection cable well ditch middle cable connector temperature thermometric transmitter (9), be used for detection cable
The gas detector (15) of combustable gas concentration in well ditch, for detection cable well ditch bottom water level water level detector (16) and
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
Outlet is connected through signal processing of partial discharge device (3) with central processing unit (6), and 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 the defeated of the output end at end and gas detector (15), the output end of water level detector (16) and ambient temperature and humidity detector (17)
Outlet is connected, and 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 wind turbine (24) that the output end of device (6) passes through driving unit (22) and warning device (23)
(25) control terminal is connected, and work station (18) is connected with central processing unit (6)；
Include the following steps：
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 peak detection, is retransmited
Into central processing unit (6), the local discharge signal of cable interface (1) is sent in work station (18) by central processing unit (6),
Work station (18) shows the layout discharge signal of the cable interface (1)；
Temperature measurement data collector (8) monitors the temperature information of cable shaft ditch middle cable connector by thermometric transmitter (9) in real time, and
The temperature information of cable shaft ditch middle cable connector is sent to through RS485 intelligence instruments (7) in central processing unit (6), centre
The temperature information of the cable shaft ditch middle cable connector is sent in work station (18) by reason device (6), and work station (18) is aobvious in real time
Show the temperature information of cable shaft ditch middle cable connector；
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 will be electric
The temperature information of cable (1) is sent in central processing unit (6) in cable well ditch, and central processing unit (6) will be in the cable shaft ditch
The temperature information of cable (1) is sent in work station (18), and work station (18) shows the temperature letter of cable (1) in cable shaft ditch
Breath；
Data acquisition unit (14) acquires 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 in central processing unit (6), central processing unit (6) is by the cable shaft
The concentration information of fuel gas is sent in work station (18) in ditch, concentration of the work station (18) to fuel gas in cable shaft ditch
Information is stored, and when the concentration of fuel gas in cable shaft ditch is more than or equal to the default density, then generates the first driving
Signal, and first drive signal is sent in central processing unit (6), central processing unit (6) drives according to described first
Signal drives wind turbine (24) to work by driving unit (22), and the ventilation of cable shaft ditch is realized by wind turbine (24)；
Data acquisition unit (14) acquires the water level information of cable shaft ditch bottom water by water level detector (16) in real time, and will be electric
The water level information of cable well ditch bottom water is sent in central processing unit (6), and central processing unit (6) is by the cable shaft ditch bottom water
Water level information be sent in work station (18), work station (18) stores the water level information of cable shaft ditch bottom water, and
When the water level of cable shaft ditch bottom water is more than or equal to preset water level value, then the second drive signal is generated, and described second is driven
Dynamic signal is sent in central processing unit (6), and central processing unit (6) passes through driving unit (22) according to second drive signal
Water pump (25) is driven to work, water pump (25) extracts the water in cable shaft ditch；
Data acquisition unit (14) passes through the temperature information and wet in ambient temperature and humidity detector (17) in real time acquisition cable shaft ditch
Spend information, and by cable shaft ditch temperature information and humidity information be sent in central processing unit (6), central processing unit (6)
By in the cable shaft ditch temperature information and humidity information be sent in work station (18), work station (18) is in cable shaft ditch
Temperature information and humidity information stored, and the temperature in the cable shaft ditch is more than or equal to preset temperature value or works as cable
When temperature in well ditch is more than or equal to default humidity value, then third drive signal is generated, and the third drive signal is sent
Into central processing unit (6), central processing unit (6) drives alarm dress according to the third drive signal by driving unit (22)
(23) work is set, is realized and is alarmed by warning device (23).
2. cable shaft ditch on-line monitoring method according to claim 1, which is characterized in that signal processing of partial discharge device
(3) it is connected successively with central processing unit (6) through optical transmitter and receiver (4) and interchanger (5).
3. cable shaft ditch on-line monitoring method according to claim 1, which is characterized in that further include remote terminal (20),
Central processing unit (6) is connected by wireless communication unit (19) with remote terminal (20).
4. cable shaft ditch on-line monitoring method according to claim 1, which is characterized in that central processing unit (6) is connected with
Print unit (21).
5. cable shaft ditch on-line monitoring method according to claim 1, which is characterized in that optic fiber thermometer (11) and center
It is connected by LAN (10) between processor (6).
6. cable shaft ditch on-line monitoring method according to claim 1, which is characterized 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 |
|---|---|---|---|
| CN201710267559.4A CN106970564B (en) | 2017-04-21 | 2017-04-21 | A kind of cable shaft ditch on-line monitoring system and method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710267559.4A CN106970564B (en) | 2017-04-21 | 2017-04-21 | A kind of cable shaft ditch on-line monitoring system and method |
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| Publication Number | Publication Date |
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| CN106970564A CN106970564A (en) | 2017-07-21 |
| CN106970564B true CN106970564B (en) | 2018-08-31 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107588863A (en) * | 2017-08-08 | 2018-01-16 | 安徽博诺思信息科技有限公司 | A kind of cable shaft system for detecting temperature and method |
| CN108680827A (en) * | 2018-05-17 | 2018-10-19 | 西安交通大学 | Cable overheats monitoring device and its monitoring method |
| CN109038421A (en) * | 2018-09-13 | 2018-12-18 | 国家电网有限公司 | A kind of comprehensive wiring slot box and its working method for monitoring function on-line |
| CN109884486A (en) * | 2019-03-29 | 2019-06-14 | 山东呈祥电气有限公司 | A kind of cable channel on-line measuring device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100614824B1 (en) * | 2006-02-20 | 2006-08-22 | (주)폼가드 | Sensing system using optical fiber cable |
| CN201867463U (en) * | 2010-11-30 | 2011-06-15 | 山东电力集团公司菏泽供电公司 | Intelligent cable duct or pit on-line monitoring system |
| CN203615969U (en) * | 2013-12-18 | 2014-05-28 | 广州市电力工程设计院有限公司 | A cable trench well comprehensive on-line monitoring system |
| CN203632177U (en) * | 2013-12-30 | 2014-06-04 | 鹤山市电力设计有限公司 | A cable duct convenient for observation and with an automatic environment monitoring function |
| CN205809644U (en) * | 2016-07-22 | 2016-12-14 | 国网河南禹州市供电公司 | A kind of cable duct of substation monitoring and alarming system |
| CN206696656U (en) * | 2017-04-21 | 2017-12-01 | 国家电网公司 | A kind of cable shaft ditch on-line monitoring system |
-
2017
- 2017-04-21 CN CN201710267559.4A patent/CN106970564B/en active Active
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