CN105119109A - Electric leakage detection method and socket - Google Patents
Electric leakage detection method and socket Download PDFInfo
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- CN105119109A CN105119109A CN201510487434.3A CN201510487434A CN105119109A CN 105119109 A CN105119109 A CN 105119109A CN 201510487434 A CN201510487434 A CN 201510487434A CN 105119109 A CN105119109 A CN 105119109A
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- relay
- socket
- electric
- live wire
- electrical leakage
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Abstract
The invention discloses an electric leakage detection method and a socket. The electric leakage detection method comprises the following steps of connecting a relay and an electric quantity detection unit to a socket wire; connecting the socket to a power grid; disconnecting the relay and detecting whether the socket is in an electric leakage state through the electric quantity detection unit. By using the electric leakage detection method, electricity utilization safety performance of the socket can be increased.
Description
Technical field
The present invention relates to security appliance technical field, in particular to a kind of electrical leakage detecting method and socket.
Background technology
Current function of socket is single, does not have the function of detection of electrical leakage, even if also may there is the danger of electric leakage when power supply indicator extinguishes.
Summary of the invention
A kind of electrical leakage detecting method and socket are provided in the embodiment of the present invention, the Electrical Safety performance of socket can be improved.
For achieving the above object, the embodiment of the present invention provides a kind of electrical leakage detecting method, comprising: cut-in relay and electric power detection unit on socket electric wire; Socket is accessed electrical network; Disconnect relay, and whether leaked electricity by electric power detection unit inspection socket.
As preferably, electrical leakage detecting method also comprises: when detecting that socket leaks electricity, and latching relay disconnects; When socket leakproof being detected, closing relay, makes socket drop into normal use.
As preferably, after socket drops into normal use, whether real-time detection has the electric current exceeding rated power to pass through, and if so, then disconnects relay, and if not, then latching relay closes.
As preferably, test socket there is electric leakage or have the electric current that exceedes rated power by time, reported to the police by Acoustooptic indicator.
As preferably, when socket access electrical network, latching relay disconnects and after postponing the T1 time, socket is carried out to the electric power detection of T2 time under relay off-state.
As preferably, on socket electric wire, cut-in relay comprises: on the live wire of socket, access the first relay, and accesses the second relay on the zero line of socket; Or the first relay is accessed on the live wire of socket.
As preferably, when accessing the first relay on the live wire of socket, and when accessing the second relay on the zero line of socket, first closed second relay also disconnects the first relay, then by the first relay, detection of electrical leakage being carried out to the live wire of socket, when detecting that live wire leaks electricity, disconnecting the second relay, when live wire being detected without electric leakage, closed first relay also disconnects the second relay; By the second relay, detection of electrical leakage being carried out to the zero line of socket, when detecting that zero line leaks electricity, disconnecting the first relay, when zero line being detected without electric leakage, closed second relay.
As preferably, when detect exceed rated power electric current by socket time, disconnect the first relay and the second relay wherein one of at least.
As preferably, when accessing the first relay on the live wire of socket, disconnecting the first relay, and detection of electrical leakage is carried out to the live wire of socket, when detecting that live wire leaks electricity, keeping the first relay to disconnect, when live wire being detected without electric leakage, closed first relay.
As preferably, electric power detection unit inspection socket circuit zero crossing, the adhesive of zero energy smallest point crossed by relay.
According to a further aspect in the invention, provide a kind of socket, comprising: live wire; Zero line; Electric power detection unit, for detecting the power consumption parameter flowing through socket; Relay, is arranged on live wire and/or zero line; Controller, is connected to electric power detection unit and relay respectively, and the conducting of control relay and disconnection.
Apply technical scheme of the present invention, electrical leakage detecting method comprises: cut-in relay and electric power detection unit on socket electric wire; Socket is accessed electrical network; Disconnect relay, and whether leaked electricity by electric power detection unit inspection socket.By said method, can effectively solve socket use and swapping process in electric leakage and safety problem, monitor Electrical Safety in real time, raising socket Electrical Safety performance.
Accompanying drawing explanation
Fig. 1 is the control principle drawing of the electrical leakage detecting method of the embodiment of the present invention;
Fig. 2 is the control flow chart of the electrical leakage detecting method of first embodiment of the invention;
Fig. 3 is the control flow chart of the electrical leakage detecting method of second embodiment of the invention;
Fig. 4 is the structural representation of the socket of first embodiment of the invention;
Fig. 5 is the structural representation of the socket of second embodiment of the invention.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail, but not as a limitation of the invention.
See shown in Fig. 1 to Fig. 3, according to embodiments of the invention, electrical leakage detecting method comprises: cut-in relay and electric power detection unit on socket electric wire; Socket is accessed electrical network; Disconnect relay, and whether leaked electricity by electric power detection unit inspection socket.
By said method, can effectively solve socket use and swapping process in electric leakage and safety problem, monitor Electrical Safety in real time, raising socket Electrical Safety performance.
Electrical leakage detecting method also comprises: when detecting that socket leaks electricity, and latching relay disconnects; When socket leakproof being detected, closing relay, makes socket drop into normal use.This kind of mode can ensure when socket leaks electricity, and disconnects relay, avoids socket to come into operation, make socket terminate as rear class equipment and power, and ensures Electrical Safety.
After socket drops into normal use, whether real-time detection has the electric current exceeding rated power to pass through, and if so, then disconnects relay, and circuit is disconnected, and if not, then latching relay closes, and makes circuit continue to be communicated with.By this kind of mode, can monitor in real time the working condition of electrical appliance, prevent the situation generation that electric current exceedes rated power restriction, ensure the use safety of electrical appliance.In addition, can also be monitored, calculate the power consumption of rear class electrical appliance by electric power detection unit in real time, that monitors electrical appliance in real time uses electricity condition.
Electric power detection unit can detect instantaneous power, transient current, the instantaneous voltage of power consumption equipment in real time, when there is the exception continued, can run initiatively protected mode (client's unlatching), initiatively disconnecting relay.When socket normally works, the circuit zero crossing on socket can also be gone out by electric power detection unit inspection, then select, crossing zero energy smallest point attracting electric relay, to ensure the useful life of relay and the safety of power consumption equipment according to the testing result of electric power detection unit.
Preferably, test socket there is electric leakage or have the electric current that exceedes rated power by time, reported to the police by Acoustooptic indicator.When current anomaly being detected or electric leakage occurring, can report to the police in time, staff can be processed unusual condition in time, improve fail safe during electrical appliance work further.
When socket access electrical network, latching relay disconnects and after postponing the T1 time, socket is carried out to the electric power detection of T2 time under relay off-state.When electrical appliance access electrical network, this socket is synchronously accessed electrical network, for confirming that socket reliably powers on, ensureing the reliability of detection of electrical leakage, needing after relay disconnects and postpones the T1 time, then carry out electric power detection to socket.
After time of delay, under relay off-state, the electric power detection of T2 time can be carried out to socket, ensure accuracy and the reliability of testing result, ensure fail safe when socket uses.T1 is such as 0.2s, T2 is in the present embodiment such as 0.1s.
In conjunction with shown in Figure 2, be the control flow chart of the electrical leakage detecting method of the first embodiment of the present invention, concrete testing process is as follows:
During electrical appliance access, this socket is synchronously accessed electrical network, and for confirming that socket reliably powers on, time delay is after 0.2 second, controller controls the second relay adhesive, the first relay not adhesive (namely keeping normal off-state), carry out 0.1 second electric power detection under this state, if electric leakage detected, then disconnect the second relay, first relay remains open, socket terminates as rear class equipment and powers, and simultaneously the audible-visual annunciator such as indicator light gives the alarm, and instruction is abnormal; If detect without electric leakage, then disconnect the second relay, closed first relay, carry out 0.1 second electric power detection equally, if electric leakage detected, then disconnect the first relay, the second relay remains open, simultaneously the audible-visual annunciator such as indicator light gives the alarm, and instruction is abnormal; If detect without electric leakage, then closed second relay and the first relay.
After socket normally comes into operation, whether electric power detection unit detects in real time has the big current exceeding rated power to pass through, and if it is disconnects the second relay and the first relay, electrical appliance is stopped power supply, and ensures power utilization environment safety.If big current without exception passes through, then keep the second relay and the first relay all closed, with rear socket normal operation input, can monitor in real time, calculate rear class electricity consumption of equipment amount.
Under socket is the rear class electrical appliance normal operating condition of powering, whether electric power detection unit continues real-time monitoring has the big current exceeding rated power to pass through, if it is the second relay, the first relay is disconnected, if big current without exception passes through, then keep the second relay, the first relay closes, if any abnormality in above-mentioned any process, all at once glimmer at panel leds, prompting electric leakage potential safety hazard, disconnects relay, ensures Electrical Safety.
In conjunction with shown in Figure 3, be the control flow chart of the electrical leakage detecting method of the second embodiment of the present invention, concrete testing process is as follows:
During electrical appliance access, this socket is synchronously accessed electrical network, for confirming that socket reliably powers on, time delay is after 0.2 second, and the first relay not adhesive (namely keeping normal off-state), carries out 0.1 second electric power detection under this state, if electric leakage detected, then the first relay is kept to disconnect; If detect without electric leakage, then closed first relay.
After socket comes into operation, whether electric power detection unit detects in real time has the big current exceeding rated power to pass through, and if it is disconnects the first relay, if big current without exception passes through, then keeps the first relay closes.
Under socket is the rear class electrical appliance normal operating condition of powering, can monitor in real time, calculate rear class electricity consumption of equipment amount, whether under socket is the rear class electrical appliance normal operating condition of powering, continue real-time monitoring has the big current exceeding rated power to pass through, if it is the first relay is disconnected, if big current without exception passes through, then keep the first relay closes.
If any abnormality in above-mentioned any process, all at once glimmer at panel leds, prompting electric leakage potential safety hazard, disconnects relay, ensures Electrical Safety.
Shown in Fig. 4 and Fig. 5, present invention also offers a kind of socket, comprising: live wire; Zero line; Electric power detection unit, for detecting the power consumption parameter flowing through socket; Relay, is arranged on live wire and/or zero line; Controller, is connected to electric power detection unit and relay respectively, and the conducting of control relay and disconnection.
Electric power detection unit can detect the power consumption parameter such as instantaneous power, transient current, instantaneous voltage of power consumption equipment in real time, controller is connected to relay and electric power detection unit respectively, the power consumption parameter that electric power detection unit inspection arrives can be received, and the conducting of control relay and disconnection.Controller is according to the conducting of relay and disconnection; simultaneously in conjunction with the power consumption parameter that electric power detection unit inspection arrives; and by internal algorithm, Logic judgment etc.; real-time power consumption can be understood when can realize normal electricity consumption; namely socket access or multiplexing electric abnormality cut off rear class instantaneously and power; available protecting personal safety, thus reach power utilization environment safety, controlled object.
In conjunction with shown in Figure 4, for the first embodiment of socket of the present invention, in the present embodiment, socket is connected to electrical appliance, the live wire of socket is provided with the first relay, the zero line of socket is provided with the second relay, and the first relay and the second relay are all connected to controller and electric power detection unit.
In conjunction with shown in Figure 5, be the second embodiment of socket of the present invention, in the present embodiment, socket is connected to electrical appliance, only on the live wire of socket, be provided with the first relay, the zero line of socket does not arrange relay, the first relay is connected to controller and electric power detection unit respectively.
Certainly, be more than the preferred embodiment of the present invention.It should be pointed out that for those skilled in the art, under the prerequisite not departing from its general principles, can also make some improvements and modifications, these improvements and modifications are also considered as protection scope of the present invention.
Claims (11)
1. an electrical leakage detecting method, is characterized in that, comprising:
Cut-in relay and electric power detection unit on socket electric wire;
Socket is accessed electrical network;
Disconnect relay, and whether leaked electricity by electric power detection unit inspection socket.
2. electrical leakage detecting method according to claim 1, is characterized in that, described electrical leakage detecting method also comprises:
When detecting that socket leaks electricity, latching relay disconnects;
When socket leakproof being detected, closing relay, makes socket drop into normal use.
3. electrical leakage detecting method according to claim 2, is characterized in that, after socket drops into normal use, whether real-time detection has the electric current exceeding rated power to pass through, and if so, then disconnects relay, and if not, then latching relay closes.
4. electrical leakage detecting method according to claim 3, is characterized in that, test socket there is electric leakage or have the electric current that exceedes rated power by time, reported to the police by Acoustooptic indicator.
5. electrical leakage detecting method according to claim 1, is characterized in that, when socket access electrical network, latching relay disconnects and after postponing the T1 time, socket carried out to the electric power detection of T2 time under relay off-state.
6. electrical leakage detecting method according to claim 2, is characterized in that, on socket electric wire, cut-in relay comprises:
The live wire of socket accesses the first relay, and access the second relay on the zero line of socket; Or
The live wire of socket accesses the first relay.
7. electrical leakage detecting method according to claim 6, is characterized in that, when accessing the first relay on the live wire of socket, and when accessing the second relay on the zero line of socket,
First closed second relay also disconnects the first relay, then by the first relay, detection of electrical leakage being carried out to the live wire of socket, when detecting that live wire leaks electricity, disconnecting the second relay, when live wire being detected without electric leakage, closed first relay also disconnects the second relay;
By the second relay, detection of electrical leakage being carried out to the zero line of socket, when detecting that zero line leaks electricity, disconnecting the first relay, when zero line being detected without electric leakage, closed second relay.
8. electrical leakage detecting method according to claim 7, is characterized in that, when detect exceed rated power electric current by socket time, disconnect the first relay and the second relay wherein one of at least.
9. electrical leakage detecting method according to claim 6, is characterized in that, when accessing the first relay on the live wire of socket,
Disconnecting the first relay, and detection of electrical leakage is carried out to the live wire of socket, when detecting that live wire leaks electricity, keeping the first relay to disconnect, when live wire being detected without electric leakage, closed first relay.
10. electrical leakage detecting method according to claim 2, is characterized in that, electric power detection unit inspection socket circuit zero crossing, and the adhesive of zero energy smallest point crossed by relay.
11. 1 kinds of sockets, is characterized in that, comprising:
Live wire;
Zero line;
Electric power detection unit, for detecting the power consumption parameter flowing through described socket;
Relay, is arranged on described live wire and/or zero line;
Controller, is connected to described electric power detection unit and described relay respectively, and controls conducting and the disconnection of described relay.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510487434.3A CN105119109B (en) | 2015-08-10 | 2015-08-10 | Electrical leakage detecting method and socket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510487434.3A CN105119109B (en) | 2015-08-10 | 2015-08-10 | Electrical leakage detecting method and socket |
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| Publication Number | Publication Date |
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| CN105119109A true CN105119109A (en) | 2015-12-02 |
| CN105119109B CN105119109B (en) | 2017-12-26 |
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| CN201510487434.3A Active CN105119109B (en) | 2015-08-10 | 2015-08-10 | Electrical leakage detecting method and socket |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2512143Y (en) * | 2001-09-05 | 2002-09-18 | 张培欣 | Leakage examination processor |
| US20040212935A1 (en) * | 2003-04-23 | 2004-10-28 | Hamilton Beach/Proctor-Silex,Inc. | Appliance leakage current interrupter and nightlight combination |
| JP2006292519A (en) * | 2005-04-08 | 2006-10-26 | Kawamura Electric Inc | Tap plug socket |
| CN201781262U (en) * | 2009-12-31 | 2011-03-30 | 嘉兴市永信电子有限公司 | Intelligent electronic electric leakage protector |
| CN102377164A (en) * | 2010-08-06 | 2012-03-14 | 黄华道 | Energy-efficient leakage detection protection circuit |
| CN103490377A (en) * | 2013-09-27 | 2014-01-01 | 温州市万盛电器有限公司 | Protection circuit for electric leakage detection |
-
2015
- 2015-08-10 CN CN201510487434.3A patent/CN105119109B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2512143Y (en) * | 2001-09-05 | 2002-09-18 | 张培欣 | Leakage examination processor |
| US20040212935A1 (en) * | 2003-04-23 | 2004-10-28 | Hamilton Beach/Proctor-Silex,Inc. | Appliance leakage current interrupter and nightlight combination |
| JP2006292519A (en) * | 2005-04-08 | 2006-10-26 | Kawamura Electric Inc | Tap plug socket |
| CN201781262U (en) * | 2009-12-31 | 2011-03-30 | 嘉兴市永信电子有限公司 | Intelligent electronic electric leakage protector |
| CN102377164A (en) * | 2010-08-06 | 2012-03-14 | 黄华道 | Energy-efficient leakage detection protection circuit |
| CN103490377A (en) * | 2013-09-27 | 2014-01-01 | 温州市万盛电器有限公司 | Protection circuit for electric leakage detection |
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| Publication number | Publication date |
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| CN105119109B (en) | 2017-12-26 |
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