CN105119109B - Electrical leakage detecting method and socket - Google Patents
Electrical leakage detecting method and socket Download PDFInfo
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- CN105119109B CN105119109B CN201510487434.3A CN201510487434A CN105119109B CN 105119109 B CN105119109 B CN 105119109B CN 201510487434 A CN201510487434 A CN 201510487434A CN 105119109 B CN105119109 B CN 105119109B
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Abstract
The present invention discloses a kind of electrical leakage detecting method and socket.The electrical leakage detecting method includes：Cut-in relay and electric power detection unit on socket electric wire；Socket is accessed into power network；Relay is disconnected, and whether is leaked electricity by electric power detection unit test socket.According to the electrical leakage detecting method of the present invention, it is possible to increase the Electrical Safety performance of socket.
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, without the function of detection of electrical leakage, may also be deposited when power supply indicator extinguishes
In the danger of electric leakage.
The content of the invention
A kind of electrical leakage detecting method and socket are provided in the embodiment of the present invention, it is possible to increase the Electrical Safety performance of socket.
To achieve the above object, the embodiment of the present invention provides a kind of electrical leakage detecting method, including：Accessed on socket electric wire
Relay and electric power detection unit；Socket is accessed into power network；Disconnect relay, and by electric power detection unit test socket whether
Electric leakage.
Preferably, electrical leakage detecting method also includes：When detecting socket electric leakage, guard relay disconnects；Work as detection
During to socket leakproof, closing relay, socket is set to put into normal use.
Preferably, after socket puts into normal use, detect whether to have more than the electric current of rated power in real time by such as
Fruit is then to disconnect relay, if it is not, then guard relay closes.
Preferably, test socket electric leakage occurs or have more than the electric current of rated power by when, referred to by acousto-optic
Show that device is alarmed.
Preferably, when socket accesses power network, after guard relay disconnects and postpones the T1 times, shape is disconnected in relay
The electric power detection of T2 times is carried out under state to socket.
Preferably, cut-in relay includes on socket electric wire：Access the first relay on the live wire of socket, and
The second relay is accessed on the zero line of socket；Or the first relay is accessed on the live wire of socket.
The first relay is accessed on the live wire of socket preferably, working as, and the second relay is accessed on the zero line of socket
During device, the second relay is closed first and disconnects the first relay, then the live wire of socket is leaked by the first relay
Electro-detection, when detecting live wire electric leakage, the second relay is disconnected, when detecting live wire without electric leakage, close the first relay
And disconnect the second relay；Detection of electrical leakage is carried out to the zero line of socket by the second relay, when detecting zero line electric leakage, broken
The first relay is driven, when detecting zero line without electric leakage, closes the second relay.
Preferably, when detecting that the electric current for having more than rated power passes through socket, the first relay and second is disconnected
Relay at least one of which.
Preferably, when accessing the first relay on the live wire in socket, the first relay is disconnected, and to the fire of socket
Line carries out detection of electrical leakage, when detecting live wire electric leakage, keeps the first relay to disconnect, and when detecting live wire without electric leakage, closes
Close the first relay.
Preferably, electric power detection unit test socket circuit zero crossing, relay is crossing zero energy smallest point adhesive.
According to another aspect of the present invention, there is provided a kind of socket, including：Live wire；Zero line；Electric power detection unit, is used for
Detection flows through the power consumption parameter of socket；Relay, it is arranged on live wire and/or zero line；Controller, it is respectively connecting to electric power detection
Unit and relay, and the conducting and disconnection of control relay.
Apply the technical scheme of the present invention, electrical leakage detecting method includes：Cut-in relay and electricity inspection on socket electric wire
Survey unit；Socket is accessed into power network；Relay is disconnected, and whether is leaked electricity by electric power detection unit test socket.By above-mentioned
Method, can effectively solve electric leakage and safety problem of the socket in use and swapping process, monitor Electrical Safety in real time, improve
The Electrical Safety performance of socket.
Brief description of the drawings
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
The present invention is described in further detail with specific embodiment below in conjunction with the accompanying drawings, but not as the limit to the present invention
It is fixed.
Referring to shown in Fig. 1 to Fig. 3, according to an embodiment of the invention, electrical leakage detecting method includes：Accessed on socket electric wire
Relay and electric power detection unit；Socket is accessed into power network；Disconnect relay, and by electric power detection unit test socket whether
Electric leakage.
By the above method, can effectively solve electric leakage and safety problem of the socket in use and swapping process, in real time
Electrical Safety is monitored, improves the Electrical Safety performance of socket.
Electrical leakage detecting method also includes：When detecting socket electric leakage, guard relay disconnects；When detecting that socket do not leak
When electric, closing relay, socket is set to put into normal use.Such a mode can ensure when socket leaks electricity, and disconnect relay, keep away
Exempt from socket to come into operation, socket is terminated as the power supply of rear class equipment, ensure Electrical Safety.
After socket puts into normal use, detect whether to have more than the electric current of rated power in real time by if it is, disconnected
Open relay, circuit is disconnected, if it is not, then guard relay closes, make circuit continue to connect., can be with by such a mode
The working condition of electrical appliance is monitored in real time, the situation for preventing electric current more than rated power limitation occurs, and ensures
Electrical appliance it is safe to use.Further, it is also possible to monitor, calculate the power consumption of rear class electrical appliance in real time by electric power detection unit
Amount, monitor electrical appliance in real time uses electricity condition.
Electric power detection unit can detect the instantaneous power of electrical equipment, transient current, instantaneous voltage in real time, when holding
During continuous exception, active protected mode (client's unlatching) can be run, actively disconnects relay.In socket normal work, also
The circuit zero crossing on socket can be detected by electric power detection unit, is then selected according to the testing result of electric power detection unit
Select and crossing zero energy smallest point attracting electric relay, ensure the service life of relay and the safety of electrical equipment.
Preferably, test socket electric leakage occurs or have more than the electric current of rated power by when, indicated by acousto-optic
Device is alarmed.It when detecting current anomaly or leaking electricity, can in time be alarmed, allow staff in time to different
Normal situation is handled, and further improves security during electrical appliance work.
When socket accesses power network, after guard relay disconnects and postpones the T1 times, to inserting under relay off-state
Seat carries out the electric power detection of T2 times.When electrical appliance accesses power network, the socket is synchronously accessed power network, to have confirmed socket
Can top electricity, ensure the reliability of detection of electrical leakage, it is necessary to after relay disconnects and postpones the T1 times, then electricity is carried out to socket
Detection.
After time delay, the electric power detection of T2 times can be carried out to socket under relay off-state, is ensured
The accuracy and reliability of testing result, ensure security when socket uses.T1 is, for example, 0.2s in the present embodiment, T2 examples
Such as it is 0.1s.
It is the control flow chart of the electrical leakage detecting method of the first embodiment of the present invention, specifically with reference to shown in Figure 2
Detection process is as follows：
Electrical appliance access when, the socket is synchronously accessed power network, for confirm socket can top electricity, delay 0.2 second after,
Controller controls the second relay adhesive, the first relay not adhesive (keeping normal off-state), and 0.1 is carried out under this state
Second electric power detection, if detecting electric leakage, disconnects the second relay, the first relay remains open, and socket terminates as rear class and set
Available electricity, while the audible-visual annunciator such as indicator lamp sends alarm, instruction is abnormal；If detecting no electric leakage, the second relay is disconnected
Device, the first relay of closure, equally carry out 0.1 second electric power detection, if detecting electric leakage, disconnect the first relay, second after
Electrical equipment remains open, while the audible-visual annunciator such as indicator lamp sends alarm, and instruction is abnormal；If detecting no electric leakage, is closed
Two relays and the first relay.
After socket normally comes into operation, the high current that electric power detection unit detects whether to have more than rated power in real time is led to
Cross, if it is disconnect the second relay and the first relay, electrical appliance is stopped power supply, ensure power utilization environment safety.Such as
Fruit high current without exception by, then keep the second relay and the first relay to close, can with rear socket normal operation input
Monitoring in real time, calculate rear class amount of equipment power consumption.
In the case where socket is the normal operating condition of rear class electrical appliance power supply, electric power detection unit continues to monitor whether in real time
The high current of rated power is had more than by the second relay, the first relay if it is being disconnected, if high current without exception
By, then keep the second relay, the first relay closure, it is any of the above described during if any abnormality, all indicated in panel
Lamp flashes at once, prompts electric leakage potential safety hazard, disconnects relay, ensures Electrical Safety.
It is the control flow chart of the electrical leakage detecting method of the second embodiment of the present invention, specifically with reference to shown in Figure 3
Detection process is as follows：
Electrical appliance access when, the socket is synchronously accessed power network, for confirm socket can top electricity, delay 0.2 second after,
First relay not adhesive (keeps normal off-state), and 0.1 second electric power detection is carried out under this state, if detecting electric leakage,
The first relay is then kept to disconnect；If detecting no electric leakage, the first relay is closed.
After socket comes into operation, electric power detection unit detect whether to have more than in real time the high current of rated power by,
If it is the first relay is disconnected, if high current without exception is by keeping the first relay to close.
In the case where socket is the normal operating condition of rear class electrical appliance power supply, it can in real time monitor, calculate rear class electricity consumption of equipment
Amount, continue to monitor whether to have more than the big of rated power in real time in the case where socket is the normal operating condition of rear class electrical appliance power supply
Electric current is by if it is disconnecting the first relay, if high current without exception is by keeping the first relay to close.
If any abnormality during any of the above described, all flashed at once in panel leds, prompt electric leakage potential safety hazard, break
Open relay, ensure Electrical Safety.
Referring to shown in Fig. 4 and Fig. 5, present invention also offers a kind of socket, including：Live wire；Zero line；Electric power detection unit,
The power consumption parameter of socket is flowed through for detecting；Relay, it is arranged on live wire and/or zero line；Controller, it is respectively connecting to electricity
Detection unit and relay, and the conducting and disconnection of control relay.
Electric power detection unit can detect the electricity consumptions such as the instantaneous power of electrical equipment, transient current, instantaneous voltage ginseng in real time
Number, controller are respectively connecting to relay and electric power detection unit, can receive the power consumption parameter that electric power detection unit detects,
And the conducting and disconnection of control relay.Controller is examined according to the conducting and disconnection of relay in combination with electric power detection unit
The power consumption parameter measured, and pass through internal algorithm, logic judgment etc., it is possible to achieve real-time power consumption is will appreciate that during normal electricity consumption,
Socket access or multiplexing electric abnormality moment i.e. cut off rear class power supply, effectively protect personal safety, so as to reach power utilization environment safety,
Controllable purpose.
With reference to shown in Figure 4, for the first embodiment of the socket of the present invention, in the present embodiment, socket is connected to
Electrical appliance, the first relay is provided with the live wire of socket, is provided with the second relay on the zero line of socket, first after
Electrical equipment and the second relay are connected to controller and electric power detection unit.
With reference to shown in Figure 5, for second of embodiment of the socket of the present invention, in the present embodiment, socket is connected to
Electrical appliance, the first relay is only provided with the live wire of socket, relay, the first relay are not provided with the zero line of socket
Device is respectively connecting to controller and electric power detection unit.
Certainly, above is the preferred embodiment of the present invention.It should be pointed out that for those skilled in the art
For, on the premise of its general principles are not departed from, some improvements and modifications can also be made, these improvements and modifications
It is considered as protection scope of the present invention.
Claims (7)
- A kind of 1. electrical leakage detecting method, it is characterised in that including：Cut-in relay and electric power detection unit on socket electric wire；Socket is accessed into power network；Relay is disconnected, and whether is leaked electricity by electric power detection unit test socket；The electrical leakage detecting method also includes：When detecting socket electric leakage, guard relay disconnects；When detecting socket leakproof, closing relay, socket is set to put into normal use；Cut-in relay includes on socket electric wire：The first relay is accessed on the live wire of socket, and the second relay is accessed on the zero line of socket；Or the first relay is accessed on the live wire of socket；When accessing the first relay on the live wire in socket, and when accessing the second relay on the zero line of socket,The second relay is closed first and disconnects the first relay, and then the live wire of socket is leaked by electric power detection unit Electro-detection, when detecting live wire electric leakage, the second relay is disconnected, when detecting live wire without electric leakage, close the first relay And disconnect the second relay；Detection of electrical leakage is carried out to the zero line of socket by electric power detection unit, when detecting zero line electric leakage, disconnects the first relay Device, when detecting zero line without electric leakage, close the second relay.
- 2. electrical leakage detecting method according to claim 1, it is characterised in that after socket puts into normal use, inspection in real time The electric current for whether having more than rated power is surveyed by if it is, relay is disconnected, if it is not, then guard relay closes.
- 3. electrical leakage detecting method according to claim 2, it is characterised in that electric leakage occurs in test socket or has more than The electric current of rated power by when, alarmed by Acoustooptic indicator.
- 4. electrical leakage detecting method according to claim 1, it is characterised in that when socket accesses power network, guard relay After disconnecting and postponing the T1 times, the electric power detection of T2 times is carried out to socket under relay off-state.
- 5. electrical leakage detecting method according to claim 1, it is characterised in that when detecting the electric current that has more than rated power When passing through socket, the first relay and the second relay at least one of which are disconnected.
- 6. electrical leakage detecting method according to claim 1, it is characterised in that when accessing the first relay on the live wire in socket During device,The first relay is disconnected, and detection of electrical leakage is carried out to the live wire of socket, when detecting live wire electric leakage, keeps the first relay Device disconnects, and when detecting live wire without electric leakage, closes the first relay.
- 7. electrical leakage detecting method according to claim 1, it is characterised in that electric power detection unit test socket circuit zero passage Point, relay are crossing zero energy smallest point adhesive.
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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105119109A CN105119109A (en) | 2015-12-02 |
| CN105119109B true CN105119109B (en) | 2017-12-26 |
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ID=54667037
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510487434.3A Active CN105119109B (en) | 2015-08-10 | 2015-08-10 | Electrical leakage detecting method and socket |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2512143Y (en) * | 2001-09-05 | 2002-09-18 | 张培欣 | Leakage examination processor |
| 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 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7196885B2 (en) * | 2003-04-23 | 2007-03-27 | 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 |
-
2015
- 2015-08-10 CN CN201510487434.3A patent/CN105119109B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2512143Y (en) * | 2001-09-05 | 2002-09-18 | 张培欣 | Leakage examination processor |
| 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 |
|---|---|
| CN105119109A (en) | 2015-12-02 |
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