CN112104072B - Leakage monitoring switch - Google Patents
Leakage monitoring switch Download PDFInfo
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- CN112104072B CN112104072B CN202010771276.5A CN202010771276A CN112104072B CN 112104072 B CN112104072 B CN 112104072B CN 202010771276 A CN202010771276 A CN 202010771276A CN 112104072 B CN112104072 B CN 112104072B
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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
- H02J13/00002—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 monitoring
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
- G01R31/52—Testing for short-circuits, leakage current or ground faults
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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
- H02J13/00032—Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for
- H02J13/00036—Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for the elements or equipment being or involving switches, relays or circuit breakers
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
Abstract
The invention discloses a leakage monitoring switch, which comprises a switch mechanism provided with a leakage monitoring module, a leakage alarm module and a leakage informing module, and an information pushing platform for informing leakage users of leakage information. The invention has simple composition and convenient operation, can be permanently monitored by one-time installation, reduces the working difficulty of operation and maintenance personnel of a power supply company and improves the working efficiency. Meanwhile, the hidden danger leakage information accurately informs the user, so that the user can quickly and accurately find the leakage reason, the correction enthusiasm of the user is improved, the potential safety hazard of electricity consumption is reduced, and the whole low-voltage station area is enabled to run stably and healthily.
Description
Technical Field
The invention belongs to the technical field of electric power detection, and particularly relates to a leakage monitoring switch.
Background
The low-voltage transformer area has complex electricity utilization environment and large potential leakage hazard, and is easy to cause risks of personal electric shock casualties, fire disasters and the like. And the electric leakage is multiple to occur on the user side, the electric energy metering box is only installed on the user side of the prior art, and the configuration is mainly a meter front disconnecting switch, an electric energy meter collector and a meter rear protecting switch, the meter rear protecting switch is divided into a small-sized circuit breaker and a small-sized electric leakage protector (home protection), the home protection is installed after the meter is selected in part of areas, the effect of tripping protection can be achieved when electric leakage occurs, but because the cognition degree of users on electric leakage knowledge is different, a plurality of users can take measures for shielding the electric leakage protecting function to achieve the purpose of recovering electricity, the operation not only increases the potential safety hazards of the users, but also causes the total protection tripping of the platform area when serious, causes large-area power failure and affects the electricity quality of other users.
Therefore, when the leakage condition of the user occurs, the user is informed of accurate leakage information, possible leakage reasons, leakage damage and other information in time through effective means, and the user is paid attention to, so that the purpose of rectifying and modifying the leakage is important, however, no device for monitoring and informing the leakage of the user exists in the electric energy metering box configured in the prior art.
Disclosure of Invention
In order to solve the problems, the invention aims to provide a leakage monitoring switch which can inform a user of hidden danger leakage characteristics in time when hidden danger leakage occurs.
The technical scheme of the invention is as follows:
the utility model provides a leakage monitoring switch, a serial communication port, including being provided with leakage monitoring module, leakage alarm module, the module is told to the electric leakage, and inform the information push platform of leakage information to the user, when the switching mechanism who installs on the service line node detects the leakage information that exceeds leakage alarm threshold, inform the module through the electric leakage with this hidden danger leakage information send to the information push platform, information push platform automatic analysis this hidden danger electric leakage characteristic and through with leakage alarm module contrast after, again inform the information to corresponding user with hidden danger electric leakage characteristic.
The switch mechanism is as follows: the miniature circuit breaker and the isolating switch are suitable for installation of three-phase four-wire distribution lines and single-phase zero-fire wire distribution lines, and each switch mechanism is provided with an independent identity identification code for identifying the identity information of an installation node.
The leakage monitoring module is used for collecting leakage current information of a power distribution area below the installation node.
The electric leakage alarm module is used for setting an electric leakage alarm threshold value.
The electric leakage informing module has an informing function of shielding non-hidden danger electric leakage according to the characteristics of electric equipment, hidden danger electric leakage information exceeding the electric leakage alarm threshold value and installation node identity information are uploaded to the information pushing platform through the remote communication module.
The information pushing platform comprises: the device comprises a hidden danger electric leakage receiving module, a hidden danger electric leakage analyzing module, a hidden danger electric leakage notifying setting module and a hidden danger electric leakage characteristic pushing module; the hidden danger leakage receiving module is used for receiving and checking hidden danger leakage information and installation node identity information uploaded by the leakage notifying module of the switch mechanism; the hidden danger electric leakage analysis module is used for analyzing the characteristics of hidden danger electric leakage and judging possible reasons for electric leakage; the electric leakage pushing setting module is used for setting the pushing information content, the pushing time and the pushing frequency; the hidden danger leakage current characteristic pushing module regularly informs hidden danger leakage current characteristic information of the installation node to a user mobile phone corresponding to the installation node, and comprises: the time characteristic of the occurrence of the electric leakage, the amplitude rule of the electric leakage and the possible cause of the electric leakage.
Compared with the prior art, the invention has the beneficial effects that:
the invention has simple composition and convenient operation, can be permanently monitored by one-time installation, reduces the working difficulty of operation and maintenance personnel of a power supply company and improves the working efficiency. Meanwhile, the hidden danger leakage information accurately informs the user, so that the user can quickly and accurately find the leakage reason, the correction enthusiasm of the user is improved, the potential safety hazard of electricity consumption is reduced, and the whole low-voltage station area is enabled to run stably and healthily.
Drawings
Fig. 1 is a schematic diagram of a leakage monitoring switch according to the present invention.
Fig. 2 is a schematic diagram of an application of the leakage monitoring switch according to the present invention.
Detailed Description
As shown in fig. 1, this embodiment is a leakage monitoring switch, including being provided with leakage monitoring module, leakage alarm module, the switch mechanism that the module was told in the electric leakage, and inform the information push platform of leakage information to the leakage user, when the switch mechanism who installs on the service line node detected the leakage information that exceeds leakage alarm threshold, inform the module through the electric leakage and send this hidden danger leakage information to the information push platform, after the information push platform automatic analysis this hidden danger leakage characteristic, send hidden danger leakage characteristic to the corresponding user and inform information.
The switching mechanism is preferred in this embodiment: the miniature circuit breaker and the isolating switch can be low-voltage switches such as a molded case circuit breaker and a leakage protector along with the change of a power distribution environment, and are suitable for the installation of a three-phase four-wire power distribution line and a single-phase zero-fire wire power distribution line, each switch mechanism is provided with an independent identity identification code, can be bound with user information after installation, realizes the identification of the identity information of an installation node, and can be internally provided with a GPS or other positioning modules to realize the positioning of the installation position.
As shown in fig. 2, the leakage monitoring switch of the embodiment is installed on a node of a subscriber line, may be a front-meter switch or a rear-meter switch in an electric energy metering box, may be externally arranged outside the electric energy metering box, and may be installed on other nodes of a distribution line according to the requirement of a distribution environment.
The leakage monitoring module adopts a current transformer or resistor mode, preferably adopts a transformer principle, collects leakage current data of a distribution area below an installation node, leakage current data point intervals can be set, leakage current collection accuracy is higher and accuracy is higher when more dense leakage current data points are set, simulated leakage characteristics are more accurate, and the leakage current is usually set to be 10 seconds.
The leakage alarm module is used for setting a leakage alarm threshold value, can be set to 20mA, 30mA, 50mA, 70mA, 100mA and the like according to the user type, and is lower than the leakage current of the alarm threshold value to realize a shielding function, thereby being beneficial to dividing leakage levels and combing working key points.
The leakage notification module has a function of shielding non-hidden-danger leakage according to the characteristics of electric equipment, hidden-danger leakage information exceeding the leakage alarm threshold value and installation node identity information are uploaded to the information pushing platform through the remote communication module, the uploading time can be set, for example, the uploading time is set to be 10 minutes for uploading once, and then the switch uploads all leakage current data in the time period once every 10 minutes.
As described above, the judgment of the non-hidden danger leakage is as follows: when the equipment works, a certain grounding current is generated, and in actual life, the grounding current is equal to leakage current, the leakage tripping protection function is detected or executed by a device with a leakage detection function, however, the grounding current is actually safe and is normal grounding of the certain electric equipment, at the moment, the leakage notification module of the embodiment can close the notification function of the non-hidden-danger leakage through a shielding switch or a pushing platform, meanwhile, the regular characteristics of the working grounding are stored in the notification module, and when the leakage characteristics beyond the working grounding occur to the user, the hidden-danger leakage can still be uploaded.
As shown in fig. 1, the information pushing platform first comprises: the device comprises a hidden danger electric leakage receiving module, a hidden danger electric leakage analyzing module, a hidden danger electric leakage notifying setting module and a hidden danger electric leakage characteristic pushing module.
The hidden danger leakage receiving module is used for receiving and checking hidden danger leakage information and installation node identity information uploaded by the leakage notifying module of the switch mechanism;
and the hidden danger electric leakage analysis module is used for analyzing the characteristics of hidden danger electric leakage and judging possible reasons for electric leakage. Such as: judging the electric leakage of the live wire, wherein when the live wire is in electric leakage, the electric leakage does not have obvious electric leakage change along with the increase of the power load, and the electric leakage also exists when the live wire is in a non-load state under the conduction state; judging zero line leakage, wherein when the zero line is in leakage, leakage current is increased along with the increase of power load, and the load is reduced to be reduced; the leakage of the electric appliance is generally generated when a single load suddenly appears and can be distinguished from the live wire leakage and the zero wire leakage.
The load judgment as described above can be judged from the change in the current of the loop wire that is connected to the switching mechanism of the present embodiment.
Meanwhile, the hidden danger leakage analysis module can also establish a leakage characteristic model library, analyze electric equipment generating leakage according to the characteristics of received leakage data and comparison model library, and if the leakage of the external air conditioner occurs, a square regular leakage characteristic waveform appears according to the start-stop change of the external air conditioner, and meanwhile, the possible cause of leakage can be primarily judged to be the external air conditioner, and auxiliary judgment such as weather and time conditions can also be added.
The hidden danger electricity leakage pushing setting module is used for setting pushed information content, and comprises the steps of establishing a pushing template, adding electricity leakage knowledge propaganda and the like; the pushing time can be set to a non-disturbing time period according to the requirement; pushing frequency, namely, if the leakage condition still exists after one week, setting pushing again, wherein the pushing frequency can be set according to requirements;
the hidden danger leakage characteristic pushing module regularly informs the hidden danger leakage characteristic information of the installation node to the user mobile phone corresponding to the installation node, and can adopt a main stream signaling mode such as a short message informing mode, a micro-message public number, an APP and the like. The pushed content comprises: the time characteristic of leakage, the amplitude rule of leakage and the possible cause of leakage can be added, and propaganda content of leakage knowledge, a proper use method of home protection and the like can be added.
The invention has simple composition and convenient operation, can be permanently monitored by one-time installation, reduces the working difficulty of operation and maintenance personnel of a power supply company and improves the working efficiency. Meanwhile, the hidden danger leakage information accurately informs the user, so that the user can quickly and accurately find the leakage reason, the correction enthusiasm of the user is improved, the potential safety hazard of electricity consumption is reduced, and the whole low-voltage station area is enabled to run stably and healthily.
In the description, each embodiment is described in a progressive manner, and each embodiment is mainly described by the differences from other embodiments, so that the same similar parts among the embodiments are mutually referred. The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (3)
1. An electric leakage monitoring switch, characterized in that: the electric leakage monitoring device comprises an electric leakage monitoring module, an electric leakage alarming module, an electric leakage informing module, a switching mechanism and an information pushing platform for informing a user of electric leakage information, wherein the information pushing platform comprises a hidden danger electric leakage receiving module, a hidden danger electric leakage analyzing module, a hidden danger electric leakage pushing setting module and a hidden danger electric leakage characteristic pushing module;
the hidden danger leakage receiving module is used for receiving and checking hidden danger leakage information and installation node identity information uploaded by the leakage notifying module of the switch mechanism and transmitting the information to the leakage analyzing module;
the hidden danger electric leakage analysis module is used for analyzing the characteristics of hidden danger electric leakage, judging possible causes of electric leakage and sending the results to the electric leakage pushing setting module;
the hidden danger electric leakage pushing setting module sends the result of the electric leakage analysis module to the electric leakage characteristic pushing module by setting the information content, the pushing time and the pushing frequency of pushing;
the hidden danger leakage characteristic pushing module is used for regularly informing hidden danger leakage characteristic information of the installation node to a user mobile phone corresponding to the installation node, wherein the hidden danger leakage characteristic information comprises the time characteristic of leakage occurrence, the leakage amplitude rule and the possible cause of the leakage occurrence;
the switch mechanisms comprise miniature circuit breakers and isolating switches, are suitable for mounting three-phase four-wire distribution lines and single-phase zero-fire wire distribution lines, and each switch mechanism is provided with an independent identity identification code for identifying the identity information of the mounting node;
the electric leakage informing module has an informing function of shielding non-hidden danger electric leakage according to the characteristics of electric equipment, hidden danger electric leakage information exceeding the electric leakage alarm threshold value and installation node identity information are uploaded to the information pushing platform through the remote communication module.
2. The leakage monitoring switch of claim 1, wherein: the leakage monitoring module is used for collecting leakage current information of a power distribution area below the installation node.
3. The leakage monitoring switch of claim 1, wherein: the electric leakage alarm module is provided with an electric leakage alarm threshold value.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010771276.5A CN112104072B (en) | 2020-08-04 | 2020-08-04 | Leakage monitoring switch |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010771276.5A CN112104072B (en) | 2020-08-04 | 2020-08-04 | Leakage monitoring switch |
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| Publication Number | Publication Date |
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| CN112104072A CN112104072A (en) | 2020-12-18 |
| CN112104072B true CN112104072B (en) | 2023-06-13 |
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| CN202010771276.5A Active CN112104072B (en) | 2020-08-04 | 2020-08-04 | Leakage monitoring switch |
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| CN113884943B (en) * | 2021-10-28 | 2023-08-01 | 广东电网有限责任公司 | Leakage fault analysis method, device, equipment and medium |
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| CN105676064A (en) * | 2016-01-12 | 2016-06-15 | 国网浙江省电力公司嘉兴供电公司 | User-side leakage current monitoring method and system |
| CA2950506A1 (en) * | 2016-12-02 | 2018-06-02 | Quanta Associates, L.P. | Waveform separator apparatus and method for detecting leakage current in high voltage direct current power systems |
| CN108233323A (en) * | 2018-02-07 | 2018-06-29 | 杭州华春科技有限公司 | A kind of current leakage detection system |
| CN109031023A (en) * | 2018-08-16 | 2018-12-18 | 杭州华春科技有限公司 | A kind of current leakage detection system with tripping catch function |
| CN110021503A (en) * | 2019-01-04 | 2019-07-16 | 兰溪市雁洲智能科技有限公司 | A kind of Internet of Things intelligent switch remotely controlled |
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2020
- 2020-08-04 CN CN202010771276.5A patent/CN112104072B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105676064A (en) * | 2016-01-12 | 2016-06-15 | 国网浙江省电力公司嘉兴供电公司 | User-side leakage current monitoring method and system |
| CA2950506A1 (en) * | 2016-12-02 | 2018-06-02 | Quanta Associates, L.P. | Waveform separator apparatus and method for detecting leakage current in high voltage direct current power systems |
| CN108233323A (en) * | 2018-02-07 | 2018-06-29 | 杭州华春科技有限公司 | A kind of current leakage detection system |
| CN109031023A (en) * | 2018-08-16 | 2018-12-18 | 杭州华春科技有限公司 | A kind of current leakage detection system with tripping catch function |
| CN110021503A (en) * | 2019-01-04 | 2019-07-16 | 兰溪市雁洲智能科技有限公司 | A kind of Internet of Things intelligent switch remotely controlled |
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