CN206698014U - Power distribution network step voltage electric leakage alarm device and power supply area under one's jurisdiction power distribution network electric leakage monitoring system - Google Patents
Power distribution network step voltage electric leakage alarm device and power supply area under one's jurisdiction power distribution network electric leakage monitoring system Download PDFInfo
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- CN206698014U CN206698014U CN201720401294.8U CN201720401294U CN206698014U CN 206698014 U CN206698014 U CN 206698014U CN 201720401294 U CN201720401294 U CN 201720401294U CN 206698014 U CN206698014 U CN 206698014U
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- power distribution
- distribution network
- electric leakage
- step voltage
- alarm device
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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
- Y04S40/126—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 using wireless data transmission
Abstract
The utility model provides power distribution network step voltage electric leakage alarm device and power supply area under one's jurisdiction electric leakage monitoring system, described power distribution network step voltage electric leakage alarm device includes a pair of earth polars, detection of electrical leakage module and wireless communication module, a pair of earth polars are used to detect ground step voltage around the equipment special used in power distribution network, the equipment special used in described power distribution network refers to transformer either steel tower or bracing wire, and step voltage is sent to detection of electrical leakage module, described wireless communication module is a mobile communication module, ground step voltage reaches some setting value around the equipment special that hair detection of electrical leakage module finds to use in power distribution network, it is considered as and drain conditions is present and by mobile communication module, mobile communications network externally sends warning message.Its cost is low, small volume, integrated level are high, and installation is practical and convenient.
Description
Technical field
It the utility model is related to power distribution network step voltage electric leakage alarm device and power supply area under one's jurisdiction power distribution network electric leakage monitoring system.
Background technology
At present, network distribution transformer low-pressure line-outgoing switch is mostly air switch, does not possess earth detection function.Air switch
Advantage is stability height, not by the effect of leakage of part circuit, avoids that unnecessary trip operation occurs, but when electric leakage is long-term
In the presence of, air switch will not be tripped and warned, and the operation and maintenance to power network bring potential safety hazard, and the person seriously can then occur
Electric shock casualty accident (referring to《Shanwei Lufeng one 12 years old little girl of tone tablet stone is because of the event of getting an electric shock and dying》).
Applicant was also once studied using the form of zero sequence current mutual inductor+detection of electrical leakage+wireless telecommunications, zero-sequence current
Transformer is to detecting the electric wire of air switch outgoing line side, but it is as follows to find that above-mentioned detection of electrical leakage wireless alarm scheme is still present
Deficiency：1) need to have a power failure to conductive wire when installing, could install, influence electricity consumption；2) volume is big, takes certain sky
Between, it is not easy to be integrated into modularization；3) product cost is high.
In addition, powering local power distribution network in addition to transformer has electric leakage risk, high-low pressure steel tower and bracing wire (are used to fix
Electric pole) etc. equipment also can exist electric leakage risk, electric leakage monitoring system it is also to be improved, as long as originally design alarm, function
Imperfection, it is not that each maintainer can quickly find in time because the distributing position of transformer, steel tower and bracing wire is different,
Objectively need the function that the position of transformer, high-low pressure steel tower and bracing wire is positioned and navigated.
The content of the invention
A purpose of the present utility model provides power distribution network step voltage electric leakage alarm device, and its cost is low, small volume, collection
High into degree, installation is practical and convenient.
Another purpose of the present utility model provides power supply area under one's jurisdiction power distribution network electric leakage monitoring system, can intuitively grasp power supply
There is the equipment special of larger electric leakage risk in area under one's jurisdiction, find timely processing in time.
What the technical solution of the utility model was realized in：
Power distribution network step voltage electric leakage alarm device, it is characterised in that：It include a pair of earth polars, detection of electrical leakage module and
Wireless communication module, a pair of earth polars are used to detect ground step voltage around the equipment special used in power distribution network, and will stride
Voltage is sent to detection of electrical leakage module, and described wireless communication module is a mobile communication module, when hair detection of electrical leakage module hair
Ground step voltage reaches some setting value around the equipment special used in existing power distribution network, is considered as and drain conditions be present and pass through
Mobile communication module, mobile communications network externally send warning message.
Warning message is sent to and set by mobile communication module, mobile communications network by detection of electrical leakage module described above
Fixed mobile phone or background computer Surveillance center on duty.
Detection of electrical leakage module described above is also connected with an onsite alarming circuit, in the case of finding that circuit has electric leakage,
Data processing module triggers onsite alarming circuit start, and warning circuit is LED warning circuits or audible alarm circuit, or
It is sound light alarming circuit.
The equipment special used in described power distribution network described above refers to transformer either steel tower or bracing wire, a pair
Earth polar is used to detecting transformer and either ground and is separated by least 0.8 meter of distance around steel tower or bracing wire, and a pair of earth polars are using plating
Zinc round steel.
Detection of electrical leakage module described above manufactures integral structure with onsite alarming circuit, and mobile communication module is one
Individual the whole network is logical or GSM mobile handset module, built-in phonecard chip, described mobile communications network are that the whole network is logical or GSM leads to
Communication network.
Detection of electrical leakage module described above uses rail mounted Fire from Residual Current monitoring detector, can use solar energy for
Rail mounted Fire from Residual Current monitoring detector and mobile communication module provide power supply.
The equipment special that uses and some in one kind power supply area under one's jurisdiction power distribution network electric leakage monitoring system, including several power distribution networks
Individual electric leakage alarm device, mobile communications network, background monitoring equipment, the equipment special used in described power distribution network refer to transformation
Device either steel tower or bracing wire, it is characterised in that：Several described electric leakage alarm devices using power distribution network described above across
Walk voltage electric leakage alarm device, it would be desirable to installed at least on the ground near equipment special used in the power distribution network for monitoring of leaking electricity
One power distribution network step voltage electric leakage alarm device, power distribution network step voltage electric leakage alarm device is by mobile communications network with after
Platform monitoring device networking composition electric leakage monitoring system.
Background monitoring equipment described above includes background computer Surveillance center, and background monitoring equipment also includes hand on duty
Machine and the mobile phone of maintainer.
Background computer Surveillance center described above by each power distribution network step voltage electric leakage alarm device and one with
Corresponding to map datum association get up, database is formed, on the ground near the equipment special used in some power distribution network
When the power distribution network step voltage electric leakage alarm device of installation is to backstage computer monitoring center alert, background computer
Surveillance center at once by should the situational map data of equipment special be sent to the mobile phone of maintainer, the mobile phone of maintainer
The position that this send the equipment special of leakage-current alarm is navigate to using the map datum.
Background computer Surveillance center described above is with being provided with the distribution of the local all equipment specials of power supply
Figure, and with mark sign, the power distribution network step voltage electric leakage alarm device installed on the ground near certain equipment special is backward
During platform computer monitoring center alert, to should the mark of platform equipment special that alarm can be carried out in distribution map is aobvious
Show.
Described above sets a software records unit in background computer Surveillance center, and the software records unit can be remembered
Record power distribution network step voltage electric leakage alarm device alarm I D put on record, time of fire alarming, the response of maintenance process time, operator on duty
Temporal information.
The utility model has the following advantages that compared with prior art：
1) power distribution network step voltage electric leakage alarm device of the present utility model detects electric leakage, Relative Zero using a pair of earth polars
The detection mode of sequence transformer, has small volume, cost is low, is easy to modularization integrates, and without enter to conductive electric wire when installing
Row power failure is handled, easy to install flexible；
2) earth polar be used to detecting equipment special (such as transformer, steel tower and bracing wire) the surrounding ground that is used in power distribution network and
It is separated by least 0.8 meter of distance, a pair of earth polars described above use galvanized steel bar, and cost is low, easy for installation；
3) detection of electrical leakage module uses rail mounted Fire from Residual Current monitoring detector, has the following advantages that：A) it is easy to pacify
Dress, without transforming supporter, direct clamp can on steelframe is fixed.B) and rail mounted Fire from Residual Current monitors
Detector integrated acousto-optic is alarmed, and integrated level is high；C) power supply, perfect in shape and function can be provided for mobile communication module；D) small volume, make
Valency is low.
4) detection of electrical leakage module is also connected with a warning circuit, in the case of finding that circuit has electric leakage, data processing module
Trigger warning circuit to start, warning circuit is LED warning circuits or audible alarm circuit, or sound light alarming circuit, real
Existing onsite alarming, makes electric power facility patrolman also to find drain conditions in time, and function is more perfect.
5) it is of the present utility model power supply area under one's jurisdiction power distribution network electric leakage monitoring system, power supply department background monitoring equipment energy and
When intuitively know the drain conditions of local monitored equipment special of powering, provide basic number for the decision-making management of leader
According to support；
6) background computer Surveillance center described above is by each power distribution network step voltage electric leakage alarm device and one
Corresponding map datum association is got up, and database is formed, when certain equipment special (such as transformer, steel tower and bracing wire) is attached
When the power distribution network step voltage electric leakage alarm device installed near ground is to backstage computer monitoring center alert,
Background computer Surveillance center at once by should the situational map data of equipment special be sent to the mobile phone of maintainer, maintenance
The mobile phone of personnel navigates to the position that this send the equipment special of leakage-current alarm using the map datum.Strive for treasured to get the harvest in quickly
The expensive time, function is more perfect, can be applicable the unclear situation in position of the maintainer to transformer.
7) background computer Surveillance center is with being provided with the distribution of the local all monitored equipment specials of power supply
Figure, and with mark sign, the power distribution network step voltage electric leakage alarm device installed on the ground near certain equipment special to
During background computer Surveillance center alert, to should the mark of platform equipment special can be alarmed in distribution map
Display.Position managerial decision provides more intuitively data.
8) one software records unit is set in background computer Surveillance center, the software records unit can record power distribution network
Step voltage electric leakage alarm device alarm ID put on record, time of fire alarming, the maintenance process time, the response time information of operator on duty.
Long-distance alarm is realized, is easy to promptly and accurately handle the potential safety hazard of electric leakage, whether record operator on duty, maintainer locate in time
Reason, distinguishes responsibility, the development favorably supervised work.As long as by mobile phone on duty, maintainer's mobile phone, hind computation machine monitoring
The heart can carry out whole monitoring to the drain conditions of distribution network, easy to use directly perceived, not limited by environment place.
Brief description of the drawings
Fig. 1 is the circuit block diagram of the utility model embodiment one.
Fig. 2 is the circuit block diagram that Fig. 1 is the utility model embodiment two.
Fig. 3 be the utility model embodiment two power local all monitored electric leakages equipment special distribution map.
Embodiment
It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer
Accompanying drawing in type embodiment, the technical scheme in the embodiment of the utility model is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model part of the embodiment, rather than whole embodiments.Based on the implementation in the utility model
Example, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made, is belonged to
The scope of the utility model protection.
Embodiment one：
Shown in Fig. 1, power distribution network step voltage electric leakage alarm device of the present utility model, it is characterised in that：It includes a pair
Earth polar, detection of electrical leakage module and wireless communication module, a pair of earth polars are used to detect around the equipment special used in power distribution network
Ground step voltage, and step voltage is sent to detection of electrical leakage module, described wireless communication module is a mobile communication mould
Block, ground step voltage reaches some setting value around the equipment special that hair detection of electrical leakage module finds to use in power distribution network,
It is considered as and drain conditions is present and warning message is externally sent by mobile communication module, mobile communications network.Detection of electrical leakage module
Warning message is sent to mobile phone or the hind computation machine monitoring on duty of setting by mobile communication module, mobile communications network
Center.Detection of electrical leakage module is also connected with an onsite alarming circuit, and in the case of finding that circuit has electric leakage, data processing module touches
It was found that field warning circuit starts, warning circuit is LED warning circuits or audible alarm circuit, or sound light alarming circuit.
The equipment special used in described power distribution network refers to transformer either steel tower or bracing wire, and a pair of earth polars are used to detect transformer
Either ground and it is separated by least 0.8 meter of distance around steel tower or bracing wire, a pair of earth polars use galvanized steel bar.
Detection of electrical leakage module manufactures integral structure with onsite alarming circuit, and mobile communication module is a GSM mobile handset
Module, built-in phonecard chip, described mobile communications network are that the whole network is logical or GSM communication network.Detection of electrical leakage module
Using rail mounted Fire from Residual Current monitoring detector, rail mounted Fire from Residual Current monitoring detector is that mobile communication module carries
Power supply source.
Power distribution network step voltage electric leakage alarm device of the present utility model detects electric leakage using a pair of earth polars, with respect to zero sequence
The detection mode of transformer, has small volume, cost is low, is easy to modularization integrates, and without being carried out to conductive electric wire when installing
Power failure is handled, easy to install flexible.
In the case that detection of electrical leakage module finds that circuit has electric leakage, detection of electrical leakage module utilizes mobile communication module, shifting
Dynamic communication network gets in touch with mobile phone and the background computer Surveillance center on duty of setting, notifies director * * places * * lines on duty
Leak current fault occurs for road, accurately to detect drain conditions and to notify operator on duty by mobile phone in time, realizes long-distance alarm,
Be easy to promptly and accurately handle the potential safety hazard of electric leakage, record operator on duty, maintainer whether timely processing, distinguish responsibility, have
The development of profit supervision work.As long as whole monitoring, user can be carried out to the drain conditions of distribution network by mobile phone on duty
Just it is directly perceived, do not limited by environment place.
Embodiment two：
As shown in Figure 1 and Figure 2, used in a kind of power supply area under one's jurisdiction power distribution network electric leakage monitoring system, including several power distribution networks
Equipment special and several electric leakage alarm devices, mobile communications network, background monitoring equipment, use in described power distribution network special
Refer to transformer either steel tower or bracing wire with equipment, it is characterised in that：Several described electric leakage alarm devices are using implementation
Power distribution network step voltage electric leakage alarm device described in example one, it would be desirable to which the equipment special used in the power distribution network for monitoring of leaking electricity is attached
At least one power distribution network step voltage electric leakage alarm device is installed, power distribution network step voltage electric leakage alarm device leads near ground
Cross mobile communications network and background monitoring equipment networking composition electric leakage monitoring system.
Background monitoring equipment includes background computer Surveillance center, and background monitoring equipment also includes mobile phone on duty and maintenance people
The mobile phone of member.Background computer Surveillance center by each power distribution network step voltage electric leakage alarm device and one correspondingly
Diagram data associates, and forms database, the distribution installed on the ground near the equipment special used in some power distribution network
When net step voltage electric leakage alarm device is to backstage computer monitoring center alert, background computer Surveillance center horse
On by should the situational map data (the position positioning map such as inside handset Wechat) of equipment special be sent to maintainer
Mobile phone, the mobile phone of maintainer navigates to the position that this send the equipment special of leakage-current alarm using the map datum.
Perfect in shape and function.Background computer Surveillance center passes through communication module accessing mobile communication network.The communication module can be one
Mobile phone.
Background computer Surveillance center is provided with the distribution map of the local all equipment specials of power supply, and with marking
Sign, the power distribution network step voltage electric leakage alarm device installed on the ground near certain equipment special is to backstage computer monitoring
During the alert of center, to should the mark of platform equipment special alarm indication can be carried out in distribution map.Simple, intuitive,
Foundation is provided for the decision-making of managing of power pack.
Background computer Surveillance center set a software records unit, the software records unit can record power distribution network across
Step voltage electric leakage alarm device alarm ID puts on record, time of fire alarming, the maintenance process time, the response time information of operator on duty.Institute
It is that the identification numbering of corresponding each power distribution network step voltage electric leakage alarm device is put on record that meaning ID, which puts on record,.Background computer
Surveillance center gives each power distribution network step voltage electric leakage alarm device one unique identification numbering.
Assume the local equipment specials for having 4 monitored electric leakages of power supply in Fig. 2, Fig. 3, respectively transformer 1, pull bar 2,
Transformer 3 and steel tower 4, a station power distribution net is installed respectively on ground near transformer 1, pull bar 2, transformer 3 and steel tower 4 and striden
Voltage electric leakage alarm device, respectively power distribution network step voltage electric leakage alarm device A1, power distribution network step voltage leakage-current alarm dress
A2, power distribution network step voltage electric leakage alarm device A3 and power distribution network step voltage electric leakage alarm device A4 are put, it is corresponding to be leaked electricity
Mark is in the distribution map of the equipment special of monitoring, and represents A1, A2, A3 and A4 respectively below each round dot, respectively
Corresponding power distribution network step voltage electric leakage alarm device A1, power distribution network step voltage electric leakage alarm device A2, power distribution network step voltage
Electric leakage alarm device A3 and power distribution network step voltage electric leakage alarm device A4.
Background computer Surveillance center set a software records unit, the software records unit can record power distribution network across
Step voltage electric leakage alarm device alarm ID puts on record, time of fire alarming, the maintenance process time, the response time information of operator on duty.It is real
Existing long-distance alarm, is easy to promptly and accurately handle the potential safety hazard of electric leakage, and whether record operator on duty, maintainer locate in time
Reason, distinguishes responsibility, the development favorably supervised work.As long as the drain conditions of distribution network can be carried out by mobile phone on duty complete
Portion monitors, easy to use directly perceived, is not limited by environment place.
Finally it should be noted that：Above example is only to illustrate the technical solution of the utility model, rather than its limitations；
Although the utility model is described in detail with reference to the foregoing embodiments, it will be understood by those within the art that：
It can still modify to the technical scheme described in foregoing embodiments, or which part technical characteristic is carried out etc.
With replacement；And these modifications or replacement, the essence of appropriate technical solution is departed from various embodiments of the utility model technology
The spirit and scope of scheme.
Claims (10)
1. power distribution network step voltage electric leakage alarm device, it is characterised in that：It includes a pair of earth polars, detection of electrical leakage module and nothing
Line communication module, a pair of earth polars are used to detect ground step voltage around the equipment special used in power distribution network, and the electricity that will stride
Detection of electrical leakage module is sent to, described wireless communication module is a mobile communication module, when hair detection of electrical leakage module is found
Ground step voltage reaches some setting value around the equipment special used in power distribution network, is considered as and drain conditions be present and pass through hand
Machine communication module, mobile communications network externally send warning message.
2. power distribution network step voltage electric leakage alarm device according to claim 1, it is characterised in that：Detection of electrical leakage module is led to
Cross mobile phone communication module, warning message is sent in mobile phone or the hind computation machine monitoring on duty of setting by mobile communications network
The heart.
3. power distribution network step voltage electric leakage alarm device according to claim 2, it is characterised in that：Detection of electrical leakage module is also
An onsite alarming circuit is connected, in the case of finding that circuit has electric leakage, data processing module triggering onsite alarming circuit start,
Warning circuit is LED warning circuits or audible alarm circuit, or sound light alarming circuit.
4. power distribution network step voltage electric leakage alarm device according to claim 3, it is characterised in that：In described power distribution network
The equipment special used refers to transformer either steel tower or bracing wire, and a pair of earth polars are used to detect transformer either steel tower or drawing
Ground and it is separated by least 0.8 meter of distance around line, a pair of earth polars use galvanized steel bar.
5. power distribution network step voltage electric leakage alarm device according to claim 4, it is characterised in that：Detection of electrical leakage module with
Onsite alarming circuit manufactures integral structure, and mobile communication module is a GSM mobile handset module, built-in phonecard chip,
Described mobile communications network is that the whole network is logical or GSM communication network.
6. power distribution network step voltage electric leakage alarm device according to claim 5, it is characterised in that：Detection of electrical leakage module is adopted
With rail mounted Fire from Residual Current monitoring detector, rail mounted Fire from Residual Current monitoring detector provides for mobile communication module
Power supply.
7. in one kind power supply area under one's jurisdiction power distribution network electric leakage monitoring system, including several power distribution networks the equipment special that uses and several
Electric leakage alarm device, mobile communications network, background monitoring equipment, the equipment special used in described power distribution network refer to transformer
Either steel tower or bracing wire, it is characterised in that：Several described electric leakage alarm devices use claim 1 to 6 any one
Described power distribution network step voltage electric leakage alarm device, it would be desirable to the ground near equipment special used in electric leakage monitoring power distribution network
At least one power distribution network step voltage electric leakage alarm device is installed, power distribution network step voltage electric leakage alarm device passes through movement on face
Communication network and background monitoring equipment networking composition electric leakage monitoring system.
A kind of 8. power supply area under one's jurisdiction power distribution network electric leakage monitoring system according to claim 7, it is characterised in that：Background monitoring is set
Standby to include background computer Surveillance center, background monitoring equipment also includes mobile phone on duty and the mobile phone of maintainer.
A kind of 9. power supply area under one's jurisdiction power distribution network electric leakage monitoring system according to claim 8, it is characterised in that：Background computer
Each power distribution network step voltage electric leakage alarm device and a corresponding map datum association get up in Surveillance center, are formed
Database, the power distribution network step voltage leakage-current alarm dress installed on the ground near the equipment special used in some power distribution network
When putting to backstage computer monitoring center alert, background computer Surveillance center is at once by should equipment special
Situational map data are sent to the mobile phone of maintainer, and the mobile phone of maintainer navigates to this using the map datum and sent
The position of the equipment special of leakage-current alarm.
A kind of 10. power supply area under one's jurisdiction power distribution network electric leakage monitoring system according to claim 9, it is characterised in that：Hind computation
Machine monitoring is provided centrally with the distribution map of the local all equipment specials of power supply, and is indicated with mark, when certain special dress
The power distribution network step voltage electric leakage alarm device installed on standby neighbouring ground sends alarm signal to backstage computer monitoring center
During breath, to should the mark of platform equipment special alarm indication can be carried out in distribution map.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720401294.8U CN206698014U (en) | 2017-04-17 | 2017-04-17 | Power distribution network step voltage electric leakage alarm device and power supply area under one's jurisdiction power distribution network electric leakage monitoring system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720401294.8U CN206698014U (en) | 2017-04-17 | 2017-04-17 | Power distribution network step voltage electric leakage alarm device and power supply area under one's jurisdiction power distribution network electric leakage monitoring system |
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| CN206698014U true CN206698014U (en) | 2017-12-01 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107069965A (en) * | 2017-04-17 | 2017-08-18 | 李亮棠 | Power distribution network step voltage electric leakage alarm device and power supply area under one's jurisdiction power distribution network electric leakage monitoring system |
-
2017
- 2017-04-17 CN CN201720401294.8U patent/CN206698014U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107069965A (en) * | 2017-04-17 | 2017-08-18 | 李亮棠 | Power distribution network step voltage electric leakage alarm device and power supply area under one's jurisdiction power distribution network electric leakage monitoring system |
| CN107069965B (en) * | 2017-04-17 | 2024-04-09 | 广东电网有限责任公司中山供电局 | Step voltage leakage alarm device for power distribution network and power distribution network leakage monitoring system in power supply district |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20191018 Address after: 528400, No. 68, No. six, Pok Oi Road, Eastern District, Guangdong, Zhongshan Patentee after: ZHONGSHAN POWER SUPPLY BUREAU OF GUANGDONG POWER GRID CORPORATION Address before: 528400 Power Supply Bureau of Triangle Town, Jin three road, triangle town, Zhongshan City, Guangdong Patentee before: Li Liangtang |
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| TR01 | Transfer of patent right |