CN112762989A - High-voltage self-dehumidifying intelligent grounding box and monitoring system - Google Patents
High-voltage self-dehumidifying intelligent grounding box and monitoring system Download PDFInfo
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- CN112762989A CN112762989A CN202011592683.6A CN202011592683A CN112762989A CN 112762989 A CN112762989 A CN 112762989A CN 202011592683 A CN202011592683 A CN 202011592683A CN 112762989 A CN112762989 A CN 112762989A
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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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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00006—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Electric Properties And Detecting Electric Faults (AREA)
Abstract
The invention discloses a high-voltage self-dehumidifying intelligent grounding box and a monitoring system, which relate to the technical field of cable equipment monitoring and comprise a traditional grounding box and an intelligent control box, wherein the traditional grounding box and the intelligent control box are combined into a high-voltage self-dehumidifying intelligent grounding box, and a dehumidifier is arranged on the side wall of the traditional grounding box; the dryness in the intelligent grounding box with the pressure self-dehumidification function is guaranteed to protect the intelligent grounding box with the pressure self-dehumidification function.
Description
Technical Field
The invention relates to the technical field of cable equipment monitoring, in particular to a high-voltage self-dehumidifying intelligent grounding box and a monitoring system, and provides a platform for online monitoring and alarming of operating parameters of a high-voltage cable.
Background
Along with the deepening of the urbanization process, the high-voltage power transmission line adopts a cable form more and more, the proportion of the high-voltage power transmission line in the power transmission line is larger and larger, and a high-voltage cable system mainly comprises a cable body, an accessory and a grounding element. The temperature, the temperature and the humidity of the box body, the current of the sheath and the like of the sheath protector are monitored for the high-voltage cable, all own monitoring means of each manufacturer of each monitoring device are needed, each monitoring means needs to be provided with a respective sensor, the monitoring means are difficult to unify, a unified comprehensive monitoring platform is not easy to establish, great difficulty is increased for operation, maintenance and overhaul, and therefore a unified comprehensive monitoring system is urgently needed, and the operation parameters and the operation condition of a cable section can be monitored anytime and anywhere.
Meanwhile, under the condition that the grounding box runs for a long time, the existing grounding box has the problems of failure of the grounding box caused by condensation, moisture and water inflow for a long time, and the reliability of power supply of a power cable line is also influenced.
Disclosure of Invention
The invention aims to provide a high-voltage self-dehumidifying intelligent grounding box and a monitoring system, which are used for solving the problems that the common grounding box in the background technology cannot self-dehumidify and monitor the grounding current of a sheath of a cable line, the temperature of a sheath protector, the temperature and the humidity in a box body and the like in real time.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a high pressure is from removing damp intelligence grounding box, includes traditional grounding box and intelligent control case, traditional grounding box and intelligent control case combine into a high pressure from removing damp intelligence grounding box, the dehumidifier is installed to the lateral wall of traditional grounding box, the intelligent control case includes operation current sensor, sheath voltage sensor, arrester temperature sensor, temperature and humidity sensor, signal acquisition 4117 module 1, signal acquisition 4117 module 2, DC power supply and air switch, and operation current sensor, sheath voltage sensor, arrester temperature sensor, temperature and humidity sensor, signal acquisition 4117 module 1, signal acquisition 4117 module 2, DC power supply and air switch install respectively on the corresponding sheath ground copper bar in the intelligent control case.
Further, the moisture remover is a moisture absorbent.
High pressure is from monitoring system of dehumidification intelligence ground connection case, monitoring system include software monitored control system, communication module, cable data acquisition module, sheath current sensor, operation current sensor, sheath voltage sensor, arrester temperature sensor and temperature and humidity sensor and analysis and processing module, cable data acquisition module's input is connected with sheath current sensor, operation current sensor, sheath voltage sensor, arrester temperature sensor and temperature and humidity sensor, cable data acquisition module's output passes through communication module and is connected with software monitored control system, software monitored control system has backstage main control room through cable junction.
Furthermore, the cable data acquisition module is composed of a signal acquisition 4117 module 1 and a signal acquisition 4117 module 2, and the cable data acquisition module acquires the sensing data of the operation current sensor, the sheath current sensor, the lightning arrester temperature sensor and the temperature and humidity sensor in real time.
Furthermore, sheath current sensor monitors the current slow-changing numerical value of high-voltage cable joint sheath grounding circulation, the current slow-changing numerical value of operation current sensor during the operation of cable, sheath voltage sensor monitors the high-voltage cable joint sheath grounding induced voltage, lightning arrester temperature sensor monitors the lightning arrester temperature of the high-voltage cable joint, and temperature and humidity sensor monitors the temperature and humidity of the high-voltage self-dehumidifying intelligent grounding box.
Furthermore, the communication module reports the data to the software monitoring system in a wired or wireless manner.
Furthermore, the analysis processing module comprises a joint position, a data real-time trend graph, state evaluation, big data analysis and alarm;
determining the specific position of a monitoring joint at the joint position of the analysis processing module;
the data real-time trend graph analyzes the data collected at the joint position in real time;
the state evaluation is carried out according to a real-time trend chart of the data real-time trend chart;
and the big data analysis is used for carrying out big data matching analysis on the result of the state evaluation, alarming when the result of the big data matching analysis exceeds a set value, and continuously monitoring when the result of the big data matching analysis does not exceed the set value.
Furthermore, the software monitoring system performs cable defect analysis on the circuit at the joint position according to the data processed by the analysis processing module.
Furthermore, the software monitoring system pushes the result of the cable defect analysis to the corresponding operation and maintenance personnel at the joint position, the software monitoring system provides operation and maintenance guidance for the operation and maintenance personnel, and meanwhile the operation and maintenance personnel perform cable state evaluation on the result of the cable defect analysis, so that the cable defect is quickly and accurately processed.
Compared with the prior art, the invention has the beneficial effects that:
the cable is separated from the intelligent control box through the common grounding box, the design is compact, the cable has the functions of the traditional grounding box, various parameters of a high-voltage cable can be acquired on line, each sensor is installed on the corresponding sheath grounding copper bar to monitor corresponding data, the cable data acquisition module acquires and processes the monitored data, the communication module transmits the acquired data to the software monitoring system, and the software monitoring system performs point-to-point arrangement and analysis on the acquired data and then transmits the data to the background main control room to achieve real-time monitoring of the cable state and provide key operation and maintenance guidance for operation and maintenance personnel. According to the invention, the moisture remover realizes moisture removal treatment on the high-voltage self-moisture-removing intelligent grounding box through the moisture remover consisting of the moisture absorbent, and then moisture removal adjustment is carried out through relative sensor monitoring data, so that timely adjustment is carried out when the conditions of condensation, water inflow and the like occur inside the self-moisture-removing intelligent grounding box, and the dryness in the self-moisture-removing intelligent grounding box is ensured to carry out protection treatment on the self-moisture-removing intelligent grounding box.
Drawings
FIG. 1 is a schematic structural view of an intelligent grounding box for high-voltage cables according to the present invention;
fig. 2 is a diagram of a high voltage cable monitoring system of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The present invention will be further described with reference to the following examples.
Examples
As shown in fig. 1-2, the high-voltage self-dehumidifying intelligent grounding box comprises a traditional grounding box and an intelligent control box, the traditional grounding box and the intelligent control box are combined into a high-voltage self-dehumidifying intelligent grounding box, the side wall of the traditional grounding box is provided with a dehumidifier, the intelligent control box comprises an operation current sensor, a sheath voltage sensor, a lightning arrester temperature sensor, a temperature and humidity sensor, a signal acquisition 4117 module 1, a signal acquisition 4117 module 2, a direct-current power supply and an air switch, the operation current sensor, the sheath voltage sensor, the lightning arrester temperature sensor, the temperature and humidity sensor, the signal acquisition 4117 module 1, the signal acquisition 4117 module 2, the direct-current power supply and the air switch are respectively installed on a corresponding sheath grounding copper bar in the intelligent control box, and the moisture remover is a moisture absorbent; through the observation of a camera of a traditional grounding box or the control of a data transmission background software monitoring system by a sensor in an intelligent control box, a main control room judges according to the data of the software monitoring system, so that the problems can be effectively found and solved at the first time, the normal use of the grounding box is ensured, and internal parts and the sensor are protected; in order to improve the waterproof performance of the box body, the double sealing strips are adopted for preventing water, and the box body is suitable for various places with severe environment;
the moisture removing device is composed of the fan and the moisture absorbing agent, so that the moisture removing treatment of the high-voltage self-moisture removing intelligent grounding box is realized, and the moisture removing adjustment is carried out through relative sensor monitoring data, so that the moisture removing adjustment is carried out in time when the conditions such as condensation, water inflow and the like occur in the self-moisture removing intelligent grounding box, and the dryness in the self-moisture removing intelligent grounding box is ensured to carry out protection treatment on the self-moisture removing intelligent grounding box;
the monitoring system of the high-voltage self-dehumidifying intelligent grounding box comprises a software monitoring system, a communication module, a cable data acquisition module, a sheath current sensor, an operating current sensor, a sheath voltage sensor, a lightning arrester temperature sensor, a temperature and humidity sensor and an analysis processing module, the input end of the cable data acquisition module is connected with the sheath current sensor, the operating current sensor, the sheath voltage sensor, the lightning arrester temperature sensor and the temperature and humidity sensor, the output end of the cable data acquisition module is connected with a software monitoring system through a communication module, the software monitoring system is connected with a background main control room through a cable, and a sheath current sensor, a running current sensor, a sheath voltage sensor, a lightning arrester temperature sensor and a temperature and humidity sensor acquisition signal line are connected with an aviation plug for a control box port; the aviation plug is connected with the 485 socket, and the 485 female seat is connected with each signal acquisition device in the control box.
The cable DATA acquisition module comprises signal acquisition 4117 module 1 and signal acquisition 4117 module 2, converts current signals into RS-485 signals through DATA in 4117 modules 1 and 4117 module 2, and finally transmits the RS-485 signals to a software monitoring system, and the cable DATA acquisition module acquires the sensing DATA of the operating current sensor, the sheath current sensor, the lightning arrester temperature sensor and the temperature and humidity sensor in real time.
The sheath current sensor monitors the numerical value of the grounding circulation slow-changing of the sheath of the high-voltage cable joint, and reflects the change conditions of the good grounding degree of the sheath, the aging degree of the cable and the like; meanwhile, under the condition that the high-voltage cable line normally runs, when the grounding circulation value is suddenly reduced or zero, the grounding box or the grounding wire is effectively judged to be stolen by combining the cable running state map;
the running current sensor monitors a current slowly-varying numerical value when the cable runs, and judges the conditions of cable aging degree, core load size change and the like under the high-voltage running condition of the cable; the operation of the cable in a safe environment is ensured;
the sheath voltage sensor monitors the grounding induced voltage of the sheath of the high-voltage cable joint, when a cable line system is short-circuited or suffers from lightning impulse and operation impulse voltage, the induced voltage is increased, and a real-time numerical value is transmitted to the background monitoring platform;
the lightning arrester temperature sensor monitors the temperature of the lightning arrester at the joint of the high-voltage cable;
the humiture sensor monitors the humiture in the high-voltage self-dehumidifying intelligent grounding box, uploads humiture data to background monitoring software in real time, sets a humiture threshold value according to national network standards, ensures that the grounding box operates in a safe environment, and further ensures safe and stable operation of a cable.
The communication module reports the data to the software monitoring system in a wired or wireless mode.
The analysis processing module comprises a joint position, a data real-time trend graph, state evaluation, big data analysis and alarm;
the specific position of a monitoring joint is determined at the joint position of the analysis processing module, so that point-to-point management and monitoring are facilitated;
the data real-time trend graph analyzes the data collected at the joint position in real time, and the running trend of the joint position is judged through the trend graph;
the state evaluation is carried out according to a real-time trend chart of the data real-time trend chart;
and the big data analysis is used for carrying out big data matching analysis on the result of the state evaluation, alarming when the result of the big data matching analysis exceeds a set value, and continuously monitoring when the result of the big data matching analysis does not exceed the set value.
And the software monitoring system performs cable defect analysis on the circuit at the joint position according to the data processed by the analysis processing module.
The software monitoring system pushes the result of the cable defect analysis to the corresponding operation and maintenance personnel at the joint position, the software monitoring system provides operation and maintenance guidance for the operation and maintenance personnel, meanwhile, the operation and maintenance personnel performs cable state evaluation on the result of the cable defect analysis, performs point-to-point defect evaluation and processing on the cable, and achieves rapid and accurate processing of the cable defects.
The monitoring system has two power supply connection modes: firstly, supplying power (by 220V/50Hz commercial power) at each intelligent grounding box position through an optical cable (with a 220V power line); and secondly, supplying power through a direct current 24V power supply. The power supply converts external electric energy into standard voltage meeting the requirement of the intelligent grounding box.
Through ordinary ground connection case and intelligent control case separation, the design is compact, not only have the function of traditional ground connection case like this, still can gather high tension cable's various parameters on line, each sensor is installed and is carried out the monitoring of corresponding data on the corresponding sheath ground copper bar, cable data acquisition module carries out acquisition to the data of monitoring and processing, the data transmission that rethread communication module will gather is to software monitoring system in, software monitoring system carries out point-to-point arrangement analysis back to the data of gathering, it reaches cable state real time monitoring to defeated backstage main control room again, and carry out key fortune dimension guide effect for fortune dimension personnel.
The parts not involved in the present invention are the same as or can be implemented by the prior art. Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The utility model provides a high pressure is from removing damp intelligence grounding box, includes traditional grounding box and intelligent control case, its characterized in that: traditional earth connection case and intelligent control case combine into a high pressure from removing damp intelligence earth connection case, the moisture trap is installed to the lateral wall of traditional earth connection case, the intelligent control case includes operating current sensor, sheath voltage sensor, arrester temperature sensor, temperature and humidity sensor, signal acquisition 4117 module 1, signal acquisition 4117 module 2, DC power supply and air switch, and operating current sensor, sheath voltage sensor, arrester temperature sensor, temperature and humidity sensor, signal acquisition 4117 module 1, signal acquisition 4117 module 2, DC power supply and air switch install respectively on the corresponding sheath ground connection copper bar in the intelligent control case.
2. The high-voltage self-dehumidifying intelligent grounding box of claim 1, wherein: the moisture remover is a moisture absorbent.
3. The monitoring system of the high-voltage self-dehumidifying intelligent grounding box of any one of claims 1-2, which is characterized in that: the monitoring system comprises a software monitoring system, a communication module, a cable data acquisition module, a sheath current sensor, an operating current sensor, a sheath voltage sensor, an arrester temperature sensor, a temperature and humidity sensor and an analysis processing module, wherein the input end of the cable data acquisition module is connected with the sheath current sensor, the operating current sensor, the sheath voltage sensor, the arrester temperature sensor and the temperature and humidity sensor, the output end of the cable data acquisition module is connected with the software monitoring system through the communication module, and the software monitoring system is connected with a background main control room through a cable.
4. The monitoring system of the high-voltage self-dehumidifying intelligent grounding box of claim 3, characterized in that: the cable data acquisition module comprises a signal acquisition 4117 module 1 and a signal acquisition 4117 module 2, and the cable data acquisition module acquires the sensing data of the operation current sensor, the sheath current sensor, the lightning arrester temperature sensor and the temperature and humidity sensor in real time.
5. The monitoring system of the high-voltage self-dehumidifying intelligent grounding box of claim 3, characterized in that: sheath current sensor is to high tension cable joint sheath ground connection circulation slowly change numerical monitoring, the slowly change numerical monitoring of electric current when operation current sensor is to the cable operation, sheath voltage sensor monitors high tension cable joint sheath ground connection induced voltage, arrester temperature sensor monitors the arrester temperature to high tension cable joint department, temperature and humidity sensor monitors the humiture of high pressure from removing damp intelligence ground box.
6. The monitoring system of the high-voltage self-dehumidifying intelligent grounding box of claim 3, characterized in that: and the communication module reports the data to the software monitoring system in a wired or wireless mode.
7. The monitoring system of the high-voltage self-dehumidifying intelligent grounding box of claim 6, wherein: the analysis processing module comprises a joint position, a data real-time trend graph, state evaluation, big data analysis and alarm;
determining the specific position of a monitoring joint at the joint position of the analysis processing module;
the data real-time trend graph analyzes the data collected at the joint position in real time;
the state evaluation is carried out according to a real-time trend chart of the data real-time trend chart;
and the big data analysis is used for carrying out big data matching analysis on the result of the state evaluation, alarming when the result of the big data matching analysis exceeds a set value, and continuously monitoring when the result of the big data matching analysis does not exceed the set value.
8. The monitoring system of the high-voltage self-dehumidifying intelligent grounding box of claim 7, wherein: and the software monitoring system performs cable defect analysis on the circuit at the joint position according to the data processed by the analysis processing module.
9. The monitoring system of the high-voltage self-dehumidifying intelligent grounding box of claim 7, wherein: the software monitoring system pushes the result of the cable defect analysis to the corresponding operation and maintenance personnel at the joint position, provides operation and maintenance guidance for the operation and maintenance personnel, and simultaneously carries out cable state evaluation on the result of the cable defect analysis by the operation and maintenance personnel, so that the cable defect is quickly and accurately processed.
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| JPH05343209A (en) * | 1992-06-08 | 1993-12-24 | Toshiba Corp | Tank type arrestor |
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| CN107202608A (en) * | 2017-05-18 | 2017-09-26 | 国网天津市电力公司 | Electrical cable intelligent grounding box detecting system |
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| CN111864596A (en) * | 2020-08-07 | 2020-10-30 | 杭州巨骐信息科技股份有限公司 | Ground connection case based on intelligent management control |
| CN112129992A (en) * | 2020-09-14 | 2020-12-25 | 重庆泰山电缆有限公司 | High tension cable grounding box inspection device |
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2020
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05343209A (en) * | 1992-06-08 | 1993-12-24 | Toshiba Corp | Tank type arrestor |
| CN205212399U (en) * | 2015-11-18 | 2016-05-04 | 天津市津海天源电力技术有限公司 | Safe pressure release formula cross -bonding grounding test case |
| CN105910649A (en) * | 2016-06-08 | 2016-08-31 | 石家庄开发区中实检测设备有限公司 | High voltage cable state monitoring system based on direct grounding box and realization method thereof |
| CN206321745U (en) * | 2016-12-22 | 2017-07-11 | 长缆电工科技股份有限公司 | A kind of smart grounding guard box |
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| CN110957685A (en) * | 2019-12-18 | 2020-04-03 | 杭州巨骐信息科技股份有限公司 | Comprehensive intelligent grounding box |
| CN111864596A (en) * | 2020-08-07 | 2020-10-30 | 杭州巨骐信息科技股份有限公司 | Ground connection case based on intelligent management control |
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