CN206321745U - A kind of smart grounding guard box - Google Patents

A kind of smart grounding guard box Download PDF

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Publication number
CN206321745U
CN206321745U CN201621418574.1U CN201621418574U CN206321745U CN 206321745 U CN206321745 U CN 206321745U CN 201621418574 U CN201621418574 U CN 201621418574U CN 206321745 U CN206321745 U CN 206321745U
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CN
China
Prior art keywords
signal
case
cable
guard box
signal transacting
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Active
Application number
CN201621418574.1U
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Chinese (zh)
Inventor
廖家威
叶波
李旭
展望
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Long Cable Technology Group Co ltd
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Changlan Cable Accessories Co Ltd
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Priority to CN201621418574.1U priority Critical patent/CN206321745U/en
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Abstract

The utility model discloses a kind of smart grounding guard box, including signal acquisition case and signal transacting case;The signal acquisition case is built with cable protective layer protector and grounding assembly;Earth cable is successively through the cable protective layer protector in signal acquisition case and grounding assembly protective grounding;The induced voltage signal of cable protective layer protector outgoing cable metal sheath, signal transacting case is accessed by voltage signal line;High_voltage isolation unit, signal transmitting device, analog-to-digital conversion module and communication module are provided with the signal transacting case;The induced voltage signal of the signal acquisition case inner cable metal sheath accesses signal transacting case by voltage signal line and handled, and is then communicated by communication module with background server.The utility model can achieve a butt joint ground system on-line operation data real-time collection and remote monitoring.

Description

A kind of smart grounding guard box
Technical field
The utility model is related to a kind of smart grounding guard box.
Background technology
The day-to-day operation maintenance work of the major network Voltage Cable Lines Construction earthed system of existing traditional mode, relies primarily on operation Personnel hold the mode of clamp ammeter manual measurement, the cycle of season detection and carried out, it is impossible to effectively, react ground loop in real time Stream, and induced voltage and fault overvoltage on cable metal sheath can not be measured, it is not easy to carry out major network cable run The general level of the health is monitored.Urgent need sets up set of system to solve the sense on the cable metal sheath in current high-tension cable real time execution Voltage and fault overvoltage, equipment safety problem are answered, operational management personnel is found line fault in time, handles, disappear as early as possible Except hidden danger, it is ensured that line security is run.
Utility model content
The technical problem that the utility model is solved is that there is provided a kind of protection of smart grounding in view of the shortcomings of the prior art Case, the real-time collection for the ground system on-line operation data that achieve a butt joint and remote monitoring.
Technical scheme provided by the utility model is:
A kind of smart grounding guard box, including signal acquisition case and signal transacting case;
The signal acquisition case is built with cable protective layer protector and grounding assembly;Earth cable is successively through signal acquisition case Interior cable protective layer protector and grounding assembly protective grounding;The induced voltage of cable protective layer protector outgoing cable metal sheath Signal, signal transacting case is accessed by voltage signal line;
High_voltage isolation unit, signal transmitting device, analog-to-digital conversion module and communication module are provided with the signal transacting case;
The induced voltage signal of the signal acquisition case inner cable metal sheath accesses signal transacting by voltage signal line Case;The induced voltage signal of cable metal sheath is switched to small voltage signal by signal transacting case, and is sequentially completed voltage signal Isolate pick-up, analog-to-digital conversion and transmission, communication module is communicated to connect with background server, realizes the long-range monitoring of voltage.
The communication module is wireless communication module (such as GPRS communication modules) or fiber optic telecommunications module;
The fiber optic telecommunications module includes the optical-electrical converter being arranged in signal transacting case and is arranged on signal transacting case On optical fiber inlet wire pipe;The voltage signal that analog-to-digital conversion module is exported is converted to optical signal by the optical-electrical converter;Photoelectricity turns Parallel operation output end is connected by optical fiber inlet wire pipe with external cable, to realize the transmission of optical signal, then by fiber optic network with Background server communication connection, realizes the long-range monitoring of current signal and voltage signal.
Data processing module and data transmission module are further connected between the analog-to-digital conversion module and optical-electrical converter, respectively The data signal exported for analog-to-digital conversion module is converted to RS485 rs 232 serial interface signals and RS485 rs 232 serial interface signals is converted into ether Net signal, is transferred to optical-electrical converter.
The casing of the signal acquisition case is provided with aluminum alloy casing, with high antiseptic property.
The casing of the signal transacting case is provided with stainless steel casing, is adapted to a variety of installation environments.
The signal acquisition case is integrated fixed sealing type structure, and inside uses epoxy resin sealing.Using epoxy resin sealing Structure, insulating properties are superior, small volume, can be in long period of soaking water.
The signal acquisition case uses plug-in structure phase with voltage signal line, signal transacting case and voltage signal line Even, easy for installation, connection is reliable
The signal acquisition case and signal transacting case are connected with voltage signal line by Aviation Connector;Carry out simultaneously close Envelope.
The junction of the signal acquisition case and signal transacting case and Aviation Connector is sealed using rubber seal, close Sealing property is superior
The cabinet panel of the signal transacting case uses sealing ring waterproof press seal.
Electricity consumption module in the signal transacting case is powered by CT electricity getting devices, and CT electricity getting devices are arranged on power transmission line.
Or, the electricity consumption module in the signal transacting case is by direct current 48V remote power-feedings;Power supply outside signal transacting case Line integrated setting is in the external cable for data transfer.
Beneficial effect:
Sensor technology, mechanics of communication, network technology etc. are applied to single-core cable earthed system by the utility model, by height Voltage cable on-line monitoring terminal is combined with technology of Internet of things, by advanced sensing and e measurement technology, and detection high-tension cable connects Induced voltage parameter on the cable metal sheath of ground system, is transmitted by radio communication or fiber optic network, is with achieving a butt joint Unite and the real-time collections of on-line operation data, analysis and be put in storage, in advanced control method and advanced DSS On the basis of, the convenient interaction between power consumer and power network is realized, intelligent power interaction platform is formed, improves demand management, be User provides the electrical power services of high-quality, realizes that the management of cable service data, running status are monitored and the function such as early warning in real time, entirely Informationization and the lean of cable operation management are improved in face, reach the prediction to high-tension cable running status, prevention, regulation and control, real Existing the reliable of cable operation, safety, economy, efficient target, are that whole power system network escorts, and meet country's intelligence Power network is intelligent, digitizes, automate construction and demand for development.
The utility model can use fiber optic communication mode;The installation environment of usual fixed sealing type smart grounding box is cable Well, tunnel or comb etc., these installation environment wireless signals are fainter, it is impossible to ensure smart grounding box normal data transfer. Therefore, increase optical-electrical converter in signal transacting case, switchs to optical signal, after being sent data to by optical fiber by ethernet signal Platform server.Optical-fibre communications message capacity is big, long transmission distance, and electromagnetism interference, transmission quality are preferable.
The utility model uses CT ways to take power;Electricity consumption module in signal transacting case is required for 12V dc source to supply Electricity.There is no 220V AC powers in most of cable tunnel, comb, the present apparatus uses CT ways to take power, and easy for installation, waterproof is prevented It is damp, corrosion-resistant;Open-circuit voltage is low, internal resistance is small, power taking efficiency high, and work(stream ratio is more than 0.14.
Brief description of the drawings
Fig. 1 is the utility model schematic diagram;
Fig. 2 is the utility model structure chart;
Fig. 3 realizes remote monitoring schematic diagram for the utility model.
Embodiment
The utility model is described in more detail below in conjunction with the drawings and specific embodiments.
As depicted in figs. 1 and 2, a kind of smart grounding guard box of the utility model, including signal acquisition case and signal transacting Case;
The signal acquisition case is built with cable protective layer protector and grounding assembly;Earth cable is successively through signal acquisition case Interior cable protective layer protector and grounding assembly protective grounding;The induced voltage of cable protective layer protector outgoing cable metal sheath Signal, signal transacting case is accessed by voltage signal line;
High_voltage isolation unit, signal transmitting device, analog-to-digital conversion module and communication module are provided with the signal transacting case;
The induced voltage signal of the signal acquisition case inner cable metal sheath accesses signal transacting by voltage signal line Case;The induced voltage signal of cable metal sheath is switched to small voltage signal by signal transacting case, and is sequentially completed voltage signal Isolate pick-up, analog-to-digital conversion and transmission, communication module is communicated to connect with background server, realizes the long-range monitoring of voltage.
The communication module is wireless communication module (such as GPRS communication modules) or fiber optic telecommunications module;
The fiber optic telecommunications module includes the optical-electrical converter being arranged in signal transacting case and is arranged on signal transacting case On optical fiber inlet wire pipe;The voltage signal that analog-to-digital conversion module is exported is converted to optical signal by the optical-electrical converter;Photoelectricity turns Parallel operation output end is connected by optical fiber inlet wire pipe with external cable, to realize the transmission of optical signal, then by fiber optic network with Background server communication connection, realizes the long-range monitoring of current signal and voltage signal.
Data processing module and data transmission module are further connected between the analog-to-digital conversion module and optical-electrical converter, respectively The data signal exported for analog-to-digital conversion module is converted to RS485 rs 232 serial interface signals and RS485 rs 232 serial interface signals is converted into ether Net signal, is transferred to optical-electrical converter.
The casing of the signal acquisition case is provided with aluminum alloy casing, with high antiseptic property.
The casing of the signal transacting case is provided with stainless steel casing, is adapted to a variety of installation environments.
The signal acquisition case is integrated fixed sealing type structure, and inside uses epoxy resin sealing.Using epoxy resin sealing Structure, insulating properties are superior, small volume, can be in long period of soaking water.
The signal acquisition case uses plug-in structure phase with voltage signal line, signal transacting case and voltage signal line Even, easy for installation, connection is reliable
The signal acquisition case and signal transacting case are connected with voltage signal line by Aviation Connector;Carry out simultaneously close Envelope.
The junction of the signal acquisition case and signal transacting case and Aviation Connector is sealed using rubber seal, close Sealing property is superior
The cabinet panel of the signal transacting case uses sealing ring waterproof press seal.
Electricity consumption module in the signal transacting case is powered by CT electricity getting devices, and CT electricity getting devices are arranged on power transmission line. The relevant parameter of CT electricity getting devices is as follows:
Primary current during stable output:70A
Maximum continuous loading electric current:1000A
Maximum cable external diameter:120mm/160mm
Size (external diameter × interior warp × height):Φ201×Φ120×60mm
Connect line length:4m (leader cable to signal transacting spacing is from no more than 4m).
Weight:About 4kg
Or, the electricity consumption module in the signal transacting case is by direct current 48V remote power-feedings;Power supply outside signal transacting case Line integrated setting is in the external cable for data transfer.
The utility model utilizes modern power electronics technology, computer technology and optical fiber communication technology, with SCADA system collection Into intelligent monitoring terminal is divided into earthing or grounding means and smart remote two parts.
Earthing or grounding means is improved on the basis of common grounding box, the sense of cable protective layer protector outgoing cable metal sheath Voltage signal is answered, accessing signal transacting case by voltage signal line is handled, subsequently into passing through optical networking after remote-transmission module Network is transmitted to background server, the collection of realizing data with this, conversion, transmission.
As shown in Fig. 2 system takes modularized design, whole system can be divided into three modules, and earthing or grounding means is adopted for signal Collect module, smart remote be data processing, remote transmission module, and Surveillance center end generalized information management system mould Block.Signal acquisition, processing, transport module are hardware module, be responsible for the collection and pretreatment of information, voltage signal is converted into number Word signal is transmitted;Information management system is completed by upper computer software, is responsible for distal end collector up-delivering signal in region within the jurisdiction Processing, and warning information is passed into related maintenance personnel, while being responsible for the processing of relevant information and statistics in the region.

Claims (10)

1. a kind of smart grounding guard box, it is characterised in that including signal acquisition case and signal transacting case;
The signal acquisition case is built with cable protective layer protector and grounding assembly;Earth cable is successively through in signal acquisition case Cable protective layer protector and grounding assembly protective grounding;The induced voltage letter of cable protective layer protector outgoing cable metal sheath Number, signal transacting case is accessed by voltage signal line;
High_voltage isolation unit, signal transmitting device, analog-to-digital conversion module and communication module are provided with the signal transacting case;
The induced voltage signal of the signal acquisition case inner cable metal sheath accesses signal transacting case by voltage signal line;Letter The induced voltage signal of cable metal sheath is switched to small voltage signal by number treatment box, and is sequentially completed the isolation of voltage signal and is become Give, analog-to-digital conversion and transmission, communication module communicates to connect with background server, realizes the long-range monitoring of voltage.
2. smart grounding guard box according to claim 1, it is characterised in that the communication module is wireless communication module Or fiber optic telecommunications module;
The fiber optic telecommunications module includes the optical-electrical converter being arranged in signal transacting case and is arranged on signal transacting case Optical fiber inlet wire pipe;The voltage signal that analog-to-digital conversion module is exported is converted to optical signal by the optical-electrical converter;Optical-electrical converter Output end is connected by optical fiber inlet wire pipe with external cable, to realize the transmission of optical signal, then passes through fiber optic network and backstage Server communication connection, realizes the long-range monitoring of current signal and voltage signal.
3. smart grounding guard box according to claim 1, it is characterised in that the casing of the signal acquisition case is provided with aluminium Alloy shell, the casing of the signal transacting case is provided with stainless steel casing.
4. smart grounding guard box according to claim 1, it is characterised in that the signal acquisition case is integrated fixed sealing type Structure, inside uses epoxy resin sealing.
5. smart grounding guard box according to claim 1, it is characterised in that the signal acquisition case and voltage signal Line, signal transacting case are connected with voltage signal line using plug-in structure.
6. smart grounding guard box according to claim 1, it is characterised in that the signal acquisition case and signal transacting case Be connected with voltage signal line by Aviation Connector;Sealed simultaneously.
7. smart grounding guard box according to claim 6, it is characterised in that the signal acquisition case and signal transacting case Sealed with the junction of Aviation Connector using rubber seal.
8. smart grounding guard box according to claim 1, it is characterised in that the cabinet panel of the signal transacting case is adopted With sealing ring waterproof press seal.
9. according to smart grounding guard box according to any one of claims 1 to 8, it is characterised in that the signal transacting case Interior electricity consumption module is powered by CT electricity getting devices, and CT electricity getting devices are arranged on power transmission line.
10. the smart grounding guard box according to any one of claim 2~8, it is characterised in that the signal transacting case Interior electricity consumption module is by direct current 48V remote power-feedings;Supply lines integrated setting outside signal transacting case is in for data transfer External cable in.
CN201621418574.1U 2016-12-22 2016-12-22 A kind of smart grounding guard box Active CN206321745U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201621418574.1U CN206321745U (en) 2016-12-22 2016-12-22 A kind of smart grounding guard box

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201621418574.1U CN206321745U (en) 2016-12-22 2016-12-22 A kind of smart grounding guard box

Publications (1)

Publication Number Publication Date
CN206321745U true CN206321745U (en) 2017-07-11

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201621418574.1U Active CN206321745U (en) 2016-12-22 2016-12-22 A kind of smart grounding guard box

Country Status (1)

Country Link
CN (1) CN206321745U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112762989A (en) * 2020-12-29 2021-05-07 国网重庆市电力公司璧山供电分公司 High-voltage self-dehumidifying intelligent grounding box and monitoring system
CN115389855A (en) * 2022-10-26 2022-11-25 高勘(广州)技术有限公司 Method and system for monitoring cable equipment

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112762989A (en) * 2020-12-29 2021-05-07 国网重庆市电力公司璧山供电分公司 High-voltage self-dehumidifying intelligent grounding box and monitoring system
CN115389855A (en) * 2022-10-26 2022-11-25 高勘(广州)技术有限公司 Method and system for monitoring cable equipment

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GR01 Patent grant
CP03 Change of name, title or address

Address after: 410000 No. 223, tongzipo West Road, Lugu Industrial Park, high tech Development Zone, Changsha, Hunan

Patentee after: Long Cable Technology Group Co.,Ltd.

Country or region after: China

Address before: No. 223 Tongzipo West Road, Lugu Industrial Park, High tech Zone, Changsha City, Hunan Province, 410205

Patentee before: CHANGLAN CABLE ACCESSORIES Co.,Ltd.

Country or region before: China

CP03 Change of name, title or address