CN206658103U - The Check System of low voltage power distribution network leakage current based on Internet of Things - Google Patents

The Check System of low voltage power distribution network leakage current based on Internet of Things Download PDF

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Publication number
CN206658103U
CN206658103U CN201720391115.7U CN201720391115U CN206658103U CN 206658103 U CN206658103 U CN 206658103U CN 201720391115 U CN201720391115 U CN 201720391115U CN 206658103 U CN206658103 U CN 206658103U
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China
Prior art keywords
leakage current
internet
things
distribution network
circuit
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CN201720391115.7U
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Chinese (zh)
Inventor
熊德智
陈向群
杨帅
陈福胜
陈石东
李劲柏
胡军华
吴志勇
陈浩
黄瑞
申丽曼
贺星
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
State Grid Corp of China SGCC
State Grid Hunan Electric Power Co Ltd
Metering Center of State Grid Hunan Electric Power Co Ltd
Original Assignee
State Grid Corp of China SGCC
State Grid Hunan Electric Power Co Ltd
Metering Center of State Grid Hunan Electric Power Co Ltd
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Application filed by State Grid Corp of China SGCC, State Grid Hunan Electric Power Co Ltd, Metering Center of State Grid Hunan Electric Power Co Ltd filed Critical State Grid Corp of China SGCC
Priority to CN201720391115.7U priority Critical patent/CN206658103U/en
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B90/00Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02B90/20Smart grids as enabling technology in buildings sector
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • YGENERAL 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
    • Y04INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04SSYSTEMS 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
    • Y04S40/00Systems 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
    • Y04S40/12Systems 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
    • Y04S40/128Systems 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 involving the use of Internet protocol

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  • Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)

Abstract

The utility model discloses a kind of Check System of the low voltage power distribution network leakage current based on Internet of Things, including more than one leakage current collecting unit, cloud server, communication unit and mobile terminal, each leakage current collecting unit is distributed on each main line and each branch road of low-voltage network and leakage current corresponding to gathering, the cloud server is connected by communication unit with each leakage current collecting unit, for receiving the leakage current on each main line and each branch road and being contrasted with corresponding predetermined threshold value to judge whether leakage current transfinites;The cloud server is connected with mobile terminal communication, for sending alarm signal to mobile terminal when leakage current exceeds predetermined threshold value.The Check System of low voltage power distribution network leakage current of the present utility model based on Internet of Things has the advantages that simple in construction, raising overhaul efficiency.

Description

The Check System of low voltage power distribution network leakage current based on Internet of Things
Technical field
The utility model relates generally to technical field of electric power, refers in particular to a kind of low voltage power distribution network electric leakage electricity based on Internet of Things The Check System of stream.
Background technology
Deepening constantly and promoting with China's intelligent grid construction, the intelligent distribution area of residential electricity consumption and rural electricity consumption Construction has also obtained very big development, at present the rural power distribution taiwan areas in residential electricity consumption and many areas be assembled with intelligent total security or Earth leakage protective device, the residual current in taiwan area can be monitored and be protected in real time by these smart machines, carry significantly The supervision to residual current is risen.But the problem of new has also been introduced, if leakage current is excessive, total security or leakage can be caused The automatic trip of non-electricity protector;So the problem of, adds the new difficulty of worker at the production line and challenge.
When old cell power supply transformation or new cell supply lines laying, power supply insulated wire skin easily scratches, and it is hidden to there is electric leakage Suffer from;And countryside low-voltage electric distribution network instantly is laid in outdoor more, and the cloth line mass in rural subscribers family is uneven, especially It is in rainy humid area, it is easier to electrical leakage problems occurs;Leakage current is not only a weakness of residential electricity consumption management aspect, Even more rural power grids management in a weak link, have a common saying say must well " front foot is walked, the rear foot is jumped " be exactly transformer leakage protect frequently The real picture of tripping operation.
Inquire about according to the preliminary statistics, existing market has leakage detection electricity current flow devices, residual current device and earth resistance tester Deng product, simply used for single product;Although operation is simple, leakage current position of making a thorough investigation is wanted in use, from basic It is time-consuming, laborious during upper exclusion electric leakage dangerous situation, problems with specifically be present:
1st, it is difficult to solve the problems, such as:Leakage current tripping operation occur needs on-the-spot test, if the short time can find;Weight After new combined floodgate, maintenance personal just jumps after walking, it is impossible to fundamentally solves;
2nd, human input in increasing:If necessary to measure leakage current maximum, it is necessary to which staff surveys at the scene for a long time Amount, adds human input;
3rd, it not can determine that problem:Main line leakage current causes greatly very much to trip, and is not easy to determine leakage current position, it is necessary to which by-line is looked into Look for it is time-consuming, arduously.
There is a kind of leakage current on-line detecting system, it is necessary to will be installed when supply lines is laid in addition, and due to It is fixed product, it is necessary to covering is installed to each user, although monomer cost is not high, and because broad covered area point is more, So input cost is very big.Specifically problems be present:
1st, using limitation:Power supply laying will consider installation as a whole, only be used suitable for new cell and new power supply laying, no It is adapted to old cell and the place in electricity consumption to use;
2nd, installation difficulty:General power distribution frame or ammeter do not have rigging position, it is necessary to consider rigging position, increase to installation personnel Add assembly difficulty;
3rd, fund input is more:Need to cover each user, the detailed increase of fund input;
4th, the wasting of resources:It is not easy to remove after installation, whether there is drain conditions and be both needed to install, look into drain conditions, also to transport online OK;
5th, line loss is increased:Long-term on-line checking is needed, it is necessary to by line powering, and family is with being reluctant to undertake corresponding electricity consumption, only It can calculate and arrive line loss;Quantity is more, and line loss is bigger.
Utility model content
The technical problems to be solved in the utility model is that:It is new for technical problem existing for prior art, this practicality Type provides a kind of Check System of the low voltage power distribution network leakage current simple in construction, improving operating efficiency based on Internet of Things.
In order to solve the above technical problems, the utility model proposes technical scheme be:
A kind of Check System of the low voltage power distribution network leakage current based on Internet of Things, including more than one leakage current Collecting unit, cloud server, communication unit and mobile terminal, each leakage current collecting unit are distributed in low-voltage network Each main line and each branch road on and leakage current corresponding to gathering, the cloud server passes through communication unit and each leakage current Collecting unit is connected, for receiving the leakage current on each main line and each branch road and being contrasted with corresponding predetermined threshold value to judge to leak Whether electric current transfinites;The cloud server is connected with mobile terminal communication, for when leakage current exceeds predetermined threshold value Alarm signal is sent to mobile terminal.
Further improvement as above-mentioned technical proposal:
The leakage current collecting unit include power circuit and be sequentially connected measuring circuit, amplification difference channel, A/D convertor circuit, control circuit and communicating circuit, the power circuit is connected with other each circuits, for providing needed for each circuit Power supply.
The measuring circuit includes leakage current testing clamp.
The leakage current testing clamp is installed in a casing, is also equipped with being used in the casing to more than one power supply The charhing unit that circuit is charged.
The power circuit includes lithium battery.
The communication unit is GPRS communication units.
The cloud server is communicated by GPRS with the mobile terminal and connected.
The quantity of the leakage current collecting unit is 8~12.
Compared with prior art, the utility model has the advantage of:
The Check System of low voltage power distribution network leakage current of the present utility model based on Internet of Things, is adopted by leakage current Collection unit is acquired to the leakage current on each main line and branch road and sent to cloud server, after cloud server is handled Result is sent to mobile terminal, consequently facilitating real-time monitoring of the staff to leakage current everywhere, is improved to supplying The investigation of electricity and the leakage current of transmission of electricity investigation operating efficiency, realizes intelligent grid construction, reaches the effect that intelligence supplies electricity; It is and simple in construction, easy to operate and be easily achieved.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the frame assumption diagram of leakage current collecting unit in the utility model.
Label represents in figure:1st, leakage current collecting unit;11st, measuring circuit;12nd, difference channel is amplified;13rd, AD conversion Circuit;14th, control circuit;15th, communicating circuit;16th, power circuit;2nd, cloud server;3rd, mobile terminal.
Embodiment
The utility model is further described below in conjunction with Figure of description and specific embodiment.
As depicted in figs. 1 and 2, the Check System of the low voltage power distribution network leakage current based on Internet of Things of the present embodiment, Including more than one leakage current collecting unit 1, cloud server 2, communication unit and mobile terminal 3, each leakage current is adopted Collection unit 1 is distributed on each main line and each branch road of low-voltage network and gathers the leakage current on corresponding road, and cloud server 2 is logical Cross communication unit(GPRS is communicated)It is connected with each leakage current collecting unit 1, for receiving the electric leakage electricity on each main line and each branch road Flow and with corresponding predetermined threshold value(Standard value)Contrasted to judge whether leakage current transfinites;Cloud server 2 is whole with movement End 3 is connected by communication, for being transfinited in leakage current(More than predetermined threshold value)When send alarm signal(Such as short message)To mobile terminal 3.The Check System of low voltage power distribution network leakage current of the present utility model based on Internet of Things, passes through leakage current collecting unit Leakage current on 1 pair of each main line and branch road is acquired and sent to cloud server 2, will after the processing of cloud server 2 Result is sent to mobile terminal 3, consequently facilitating real-time monitoring of the staff to leakage current everywhere, is improved to power supply Efficiency is investigated with the investigation of the leakage current of transmission of electricity, realizes intelligent grid construction, reaches the effect that intelligence supplies electricity;And tie Structure is simple, easy to operate and be easily achieved.
In the present embodiment, leakage current collecting unit 1 include power circuit 16 and be sequentially connected measuring circuit 11, Amplify difference channel 12, A/D convertor circuit 13, control circuit 14 and communicating circuit 15, power circuit 16 and other each circuit phases Even, for providing power supply needed for each circuit.Wherein measuring circuit 11 includes high-precision leakage current testing clamp, leakage current test After pincers collection leakage current, by amplifying difference channel 12, analog-to-digital conversion is carried out after being passed to A/D convertor circuit 13, is resent to Control circuit 14, after comparing packing, through communicating circuit 15(GPRS)Cloud server 2 is sent to, it is electric if there is there is electric leakage Stream is transfinited, and cloud server 2, which has warning message and reaches mobile terminal 3, to be shown, can also notify phase by short message mode Close staff.
In the present embodiment, leakage current testing clamp is installed in a carrying case body(Not shown in figure), also install in casing Have for more than one(It it is 10 such as 8~12, in the present embodiment)The charhing unit that is charged of power circuit 16, fill Electric unit uses high capacity polymer lithium battery, can meet the long-time on-line operation of leakage current collecting unit 1, there is provided online leakage The driving source of electricity monitoring;Each leakage current collecting unit 1 uses fraction intelligent charge in addition, and respective electric current is unaffected, intelligence Can charge can ensure lithium battery in charging process, improve its working life.Its middle case synthetical collection and charging work( It can be integrated, the recovery for meeting equipment is placed and carried, and and can avoids user from forgetting to charge.
Communicated and connected by GPRS in the present embodiment, between cloud server 2 and each leakage current collecting unit 1;High in the clouds Server 2 is communicated by GPRS with mobile terminal 3 and connected.
It the above is only preferred embodiment of the present utility model, the scope of protection of the utility model is not limited merely to above-mentioned Embodiment, all technical schemes belonged under the utility model thinking belong to the scope of protection of the utility model.It should be pointed out that pair For those skilled in the art, some improvements and modifications under the premise of the utility model principle is not departed from, It should be regarded as the scope of protection of the utility model.

Claims (8)

1. a kind of Check System of the low voltage power distribution network leakage current based on Internet of Things, it is characterised in that including more than one Leakage current collecting unit(1), cloud server(2), communication unit and mobile terminal(3), each leakage current collection Unit(1)It is distributed on each main line and each branch road of low-voltage network and leakage current corresponding to gathering, the cloud server (2)Pass through communication unit and each leakage current collecting unit(1)It is connected, for receiving the leakage current on each main line and each branch road simultaneously Contrasted with corresponding predetermined threshold value to judge whether leakage current transfinites;The cloud server(2)With mobile terminal(3)It is logical News are connected, for sending alarm signal to mobile terminal when leakage current exceeds predetermined threshold value(3).
2. the Check System of the low voltage power distribution network leakage current according to claim 1 based on Internet of Things, its feature exist In the leakage current collecting unit(1)Including power circuit(16)And the measuring circuit being sequentially connected(11), amplification it is poor Parallel circuit(12), A/D convertor circuit(13), control circuit(14)And communicating circuit(15), the power circuit(16)With it is other each Circuit is connected, for providing power supply needed for each circuit.
3. the Check System of the low voltage power distribution network leakage current according to claim 2 based on Internet of Things, its feature exist In the measuring circuit(11)Including leakage current testing clamp.
4. the Check System of the low voltage power distribution network leakage current according to claim 3 based on Internet of Things, its feature exist In the leakage current testing clamp is installed in a casing, is also equipped with being used in the casing to more than one power circuit (16)The charhing unit to be charged.
5. the Check System of the low voltage power distribution network leakage current according to claim 2 based on Internet of Things, its feature exist In the power circuit(16)Including lithium battery.
6. the investigation of the low voltage power distribution network leakage current as claimed in any of claims 1 to 5 based on Internet of Things System, it is characterised in that the communication unit is GPRS communication units.
7. the investigation of the low voltage power distribution network leakage current as claimed in any of claims 1 to 5 based on Internet of Things System, it is characterised in that the cloud server(2)With the mobile terminal(3)Communicated and connected by GPRS.
8. the investigation of the low voltage power distribution network leakage current as claimed in any of claims 1 to 5 based on Internet of Things System, it is characterised in that the leakage current collecting unit(1)Quantity be 8~12.
CN201720391115.7U 2017-04-14 2017-04-14 The Check System of low voltage power distribution network leakage current based on Internet of Things Active CN206658103U (en)

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109188241A (en) * 2018-08-28 2019-01-11 Oppo(重庆)智能科技有限公司 Circuit detecting method, device, electronic equipment and computer readable storage medium
CN109239529A (en) * 2018-09-30 2019-01-18 北京霍远科技有限公司 The prevention of power circuit hidden danger and information warning system and method
CN109462214A (en) * 2018-01-31 2019-03-12 国网浙江省电力公司湖州供电公司 A kind of residual current transfinites failure segmentation investigation method
CN110865313A (en) * 2019-12-20 2020-03-06 河南省计量科学研究院 Charging station electric leakage monitoring system
CN111521953A (en) * 2020-05-26 2020-08-11 广州市扬新技术研究有限责任公司 Rail transit contact net leakage current detecting system
CN111693892A (en) * 2020-05-26 2020-09-22 广州市扬新技术研究有限责任公司 Hall element-based method for realizing online monitoring of contact network leakage current

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109462214A (en) * 2018-01-31 2019-03-12 国网浙江省电力公司湖州供电公司 A kind of residual current transfinites failure segmentation investigation method
CN109462214B (en) * 2018-01-31 2020-03-03 国网浙江省电力公司湖州供电公司 Sectional troubleshooting method for residual current overrun fault
CN109188241A (en) * 2018-08-28 2019-01-11 Oppo(重庆)智能科技有限公司 Circuit detecting method, device, electronic equipment and computer readable storage medium
CN109239529A (en) * 2018-09-30 2019-01-18 北京霍远科技有限公司 The prevention of power circuit hidden danger and information warning system and method
CN109239529B (en) * 2018-09-30 2021-07-20 安阳霍远科技有限公司 System and method for preventing hidden danger of power line and warning information
CN110865313A (en) * 2019-12-20 2020-03-06 河南省计量科学研究院 Charging station electric leakage monitoring system
CN111521953A (en) * 2020-05-26 2020-08-11 广州市扬新技术研究有限责任公司 Rail transit contact net leakage current detecting system
CN111693892A (en) * 2020-05-26 2020-09-22 广州市扬新技术研究有限责任公司 Hall element-based method for realizing online monitoring of contact network leakage current
CN111521953B (en) * 2020-05-26 2022-07-29 广州市扬新技术研究有限责任公司 Rail transit contact net leakage current detecting system

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