CN105914707A - Water-outflow power-failure intelligent electric leakage protector and control method thereof - Google Patents
Water-outflow power-failure intelligent electric leakage protector and control method thereof Download PDFInfo
- Publication number
- CN105914707A CN105914707A CN201610404957.1A CN201610404957A CN105914707A CN 105914707 A CN105914707 A CN 105914707A CN 201610404957 A CN201610404957 A CN 201610404957A CN 105914707 A CN105914707 A CN 105914707A
- Authority
- CN
- China
- Prior art keywords
- current
- coil
- voltage
- electrical apparatus
- module
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H5/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/26—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to difference between voltages or between currents; responsive to phase angle between voltages or between currents
- H02H3/32—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at corresponding points in different conductors of a single system, e.g. of currents in go and return conductors
- H02H3/325—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at corresponding points in different conductors of a single system, e.g. of currents in go and return conductors involving voltage comparison
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/20—Arrangement or mounting of control or safety devices
- F24H9/2007—Arrangement or mounting of control or safety devices for water heaters
- F24H9/2014—Arrangement or mounting of control or safety devices for water heaters using electrical energy supply
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H5/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection
- H02H5/04—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection responsive to abnormal temperature
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
- Emergency Protection Circuit Devices (AREA)
- Details Of Connecting Devices For Male And Female Coupling (AREA)
Abstract
The invention discloses a water-outflow power-failure intelligent electric leakage protector and a control method thereof and relates to the electrical technology field. By using the protector, electricity is turned off when water outflows, a water and electricity isolation usage effect is realized and there is no usage potential safety hazard. The protector comprises a water flow detection portion, a logic control driving portion, a first coil, a second coil and a release. The water flow detection portion is used for detecting whether water flows from a water outlet of electric appliance equipment. The logic control driving portion is connected to the water flow detection portion and is used for making the second coil be disconnected with the release under the condition that the water flow detection portion detects that the water flows from the water outlet of the electric appliance equipment so that power of a load is switched off. When the water flow detection portion detects that the there is no water flowing from the water outlet of the electric appliance equipment, the first coil is allowed to attract the release so that the load is connected to a power supply.
Description
Technical field
The present invention relates to a kind of electric safety device, protect particularly to the intelligent electric leakage of water outlet power-off
Protect device and control method thereof.
Background technology
The defencive function of earth leakage protective device be built upon power supply normal on the premise of, ground wire is different
The most charged or load electric leakage just provides the defencive function cutting off load supplying loop.Due to user
Generally existence socket switch goes to cut off leakage and protects device power supply and make complete machine quit work to reach
Energy-conservation purpose, just because of this, if leakage guarantor's device is lost the job, power supply now ground wire is the most charged will lead
Cause leakage guarantor's device not trip and cause electric shock.Particularly when the equipment such as water heater discharge water, this kind of tactile
Electricity danger is more easy to occur.Like this, also equivalent bad to female contact is closed leakage guarantor's device and is powered
Power supply, has a strong impact on personal safety hidden danger.
Summary of the invention
(1) to solve the technical problem that
Present invention aim to overcome disadvantages mentioned above, it is desirable to provide a kind of water outlet power-off intelligence
Type earth leakage protective device and control method thereof.
(2) technical scheme
On the one hand, the present invention provides a kind of water outlet power-off intelligent leakage protector, including: water
Stream test section, logic control drive division, first coil, the second coil and electrical apparatus release；Described water
Stream test section, for detecting whether the outlet of electric equipment there are flowing out；Described logic control
Drive division, is connected with described current test section, for detecting electrical equipment at described current test section
In the case of the outlet of equipment there are flowing out, control described second coil and break with described electrical apparatus release
Open, so that load power down；Detect that the outlet of electric equipment is anhydrous at described current test section
In the case of outflow, it is allowed to described first coil and described electrical apparatus release adhesive, so that described load
Switch on power.
Further, described electric leakage includes that device also includes: ground wire electrified detection module, voltage/
Current logic analyzes module and zero sequence detection of electrical leakage module；
Wherein, described ground wire electrified detection module is used for detecting ground wire electrification drain conditions；
Described voltage/current logic analysis module is for according to described ground wire electrified detection module
The current value of testing result and ground line current detection carries out logical judgment, when ground wire voltage and current
Then drive electrical apparatus release action when meeting systemic presupposition value simultaneously；
Described zero sequence detection of electrical leakage module is for detection zero live wire drain conditions, and patrols described in passing through
Collect and control the drive division described electrical apparatus release action of control.
Optionally, described earth leakage protective device, also include: ground wire electrified detection module, ground wire electricity
Stream detection module, voltage/current logic analysis module and electric leakage dropout control module；Describedly
Tape electro-detection module, is connected with described voltage/current logic analysis module, be used for detecting ground-
Voltage between zero line, and testing result is exported to described voltage/current logic analysis module；
Described ground line current detection module, is connected with described voltage/current logic analysis module, is used for
Electric current on detection ground wire, and testing result is exported to described voltage/current logical analysis mould
Block；Described voltage/current logic analysis module, respectively with described ground wire electrified detection module,
Described ground line current detection module, and electric leakage dropout control module is connected, for when described
The voltage detecting result of tape electro-detection module is more than predetermined voltage threshold, and described ground line current
When the current detecting result of detection module is more than predetermined current threshold, trigger described electric leakage dropout control
Module action processed；Described electric leakage dropout control module, for dividing in described voltage/current logic
Under the triggering of analysis module, control described second coil and disconnect with described electrical apparatus release, so that described negative
Carry power-off.
Optionally, described logic control drive division connects high-temperature protection circuit, described high temperature dwell
Protection circuit, in the case of in pin temperature higher than predetermined threshold value, is driven by described logic control
Dynamic portion controls described second coil and disconnects with described electrical apparatus release.
On the other hand, the present invention also provides for a kind of for water outlet power-off intelligent leakage protector
Control method, including: detection electric equipment outlet whether there are flowing out；Detecting
In the case of the outlet of electric equipment there are flowing out, control the second coil and disconnect with electrical apparatus release,
So that load power down；In the case of the anhydrous outflow of the outlet detecting described electric equipment,
Allow first coil and described electrical apparatus release adhesive, so that described load switches on power.
Further, described method also includes: detection zero sequence electric-leakage detection circuit is the most effective；
In the case of described zero sequence electric-leakage detection circuit is invalid, the second coil disconnects electrical apparatus release, load
Power-off, and carry out failture evacuation；In the case of described zero sequence electric-leakage detection circuit is effective, inspection
Survey zero live wire drain conditions, and control described electrical apparatus release action.
Optionally, described detection zero live wire drain conditions, and control described electrical apparatus release action and include:
If zero live wire electric leakage, control described electrical apparatus release and disconnect with described second coil, so that load is disconnected
Electricity.
Optionally, described method also includes: detect the voltage between ground-zero line and ground wire respectively
On electric current；When voltage detecting result is more than predetermined voltage threshold, and current detecting result is more than
During predetermined current threshold, control described second coil and disconnect with described electrical apparatus release, so that described negative
Carry power-off.
(3) beneficial effect
Compared with prior art, technical scheme have the advantage that overcome existing
The shortcoming of all earth leakage protective devices and potential safety hazard design, be integrate all functions complete
The earth leakage protective device of orientation protection type, intelligent and safe is reliable；Water outlet power-off, accomplishes that water power isolation makes
By effect, do not use potential safety hazard；Overcome that ground wire is all charged and wiring error etc. is brought
Exception, system all can effectively recognition detection and control；Solve traditional earth leakage protective device to use
The circut breaking that do not trips during on-off control, has stopped potential safety hazard and has improve energy-saving effect,
Need not directly closing control switch for a long time；Add self-checking function, stopped potential
Fail safe hidden danger.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation of the water outlet power-off intelligent leakage protector of the present invention；
Fig. 2 is the another kind of structural representation of the water outlet power-off intelligent leakage protector of the present invention
Figure；
Fig. 3 is another structural representation of the water outlet power-off intelligent leakage protector of the present invention
Figure；
Fig. 4 is the yet another construction signal of the water outlet power-off intelligent leakage protector of the present invention
Figure；
Fig. 5 is a kind of stream of the control method of the water outlet power-off intelligent leakage protector of the present invention
Cheng Tu；
Fig. 6 is the another kind of the control method of the water outlet power-off intelligent leakage protector of the present invention
Flow chart.
Detailed description of the invention
Below in conjunction with the accompanying drawings and embodiment, the detailed description of the invention of the present invention is made the most in detail
Describe.Following example are used for illustrating the present invention, but are not limited to the scope of the present invention.
As it is shown in figure 1, embodiments of the invention provide a kind of intelligent earth leakage protective of water outlet power-off
Device, including: current test section 11, logic control drive division 12, first coil 13, second
Coil 14 and electrical apparatus release 15；
Current test section 11, for detecting whether the outlet of electric equipment there are flowing out；
Logic control drive division 12, is connected with current test section 11, at current test section
In the case of 11 detect that the outlet of electric equipment there are flowing out, control the second coil 14 with
Electrical apparatus release 15 disconnects, so that load power down；Electric equipment is detected at current test section 11
In the case of the anhydrous outflow of outlet, it is allowed to first coil 13 and electrical apparatus release 15 adhesive, so that
Load switches on power.
So, the earth leakage protective device of the protection type that the embodiment of the present invention provides, it is possible to water outlet power-off,
Accomplish that water power isolates using effect, do not use potential safety hazard, and overcome all bands of ground wire
The exception that electricity and wiring error etc. are brought, has stopped potential fail safe hidden danger.
The water outlet power-off intelligent leakage protector that the embodiment of the present invention provides, can be connected to electricity
Between net and various electric equipment, it is used for when electric equipment generation leak current fault and to there being cause
The critically ill dangerous person gets an electric shock and protects.Optionally, this water outlet power-off intelligent leakage protector
Also include: ground wire electrified detection module, logical analysis, zero sequence detection of electrical leakage module；Wherein,
Described ground wire abnormal belt electro-detection module is used for detecting ground wire electrification drain conditions；Described logic is divided
Analysis is that connection voltage judges and ground line current judges only to work as ground wire electrification with ground line current simultaneously
When meeting, then output protection.
In previous embodiment, earth leakage protective device can be to use voltage detecting mode or current detecting
Mode works, but the invention is not restricted to this.In other embodiments of the invention, it is also possible to adopt
With voltage, electric current dual judgement protection scheme, to facilitate the use under different power utilization environment, from
And provided the user great convenience.
Such as, in one embodiment of the invention, water outlet power-off intelligent leakage protector,
May also include that
Ground wire electrified detection module, ground line current detection module, voltage/current logical analysis mould
Block and electric leakage dropout control module；
Described ground wire electrified detection module, is connected with described voltage/current logic analysis module,
For detecting the voltage between ground-zero line, and testing result is exported patrol to described voltage/current
Collect and analyze module；
Described ground line current detection module, is connected with described voltage/current logic analysis module,
For detecting the electric current on ground wire, and testing result is exported divide to described voltage/current logic
Analysis module；
Described voltage/current logic analysis module, respectively with described ground wire electrified detection module,
Described ground line current detection module, and electric leakage dropout control module is connected, for when described
The voltage detecting result of tape electro-detection module is more than predetermined voltage threshold, and described ground line current
When the current detecting result of detection module is more than predetermined current threshold, trigger described electric leakage dropout control
Module action processed；
Described electric leakage dropout control module, at described voltage/current logic analysis module
Under triggering, control described second coil and disconnect with described electrical apparatus release, so that described load power down.
Further, in one embodiment of the invention, logic control drive division is also associated with
High-temperature protection circuit, described high-temperature protection circuit for being higher than the feelings of predetermined threshold value in pin temperature
Under condition, control described second coil by logic control drive division and disconnect with described electrical apparatus release.
Water outlet power-off intelligent leakage protector of the present invention, overcomes existing all earth leakage protective
The shortcoming of device and potential safety hazard design, be the leakage of the omnibearing protection type integrating all functions
Non-electricity protector, intelligent and safe is reliable；Water outlet power-off, accomplishes that water power isolates using effect, does not use
Potential safety hazard；Overcome that ground wire is all charged and exception that wiring error etc. is brought, the equal energy of system
Effectively recognition detection and control；Not jumping when solving traditional earth leakage protective device on-off control
Lock circut breaking, has stopped potential safety hazard and has improve energy-saving effect, for a long time need not be straight
Connect closing control switch；Add self-checking function, stop potential fail safe hidden danger.
As in figure 2 it is shown, the water outlet power-off intelligent leakage protector of the present invention, including for supplying
Electricity regulator rectifier circuit, including ground wire abnormal belt electro-detection module, logic control drive division,
The electric leakage self-inspection of zero sequence detection of electrical leakage, zero sequence, first coil and the second coil；
Wherein, described ground wire abnormal belt electro-detection module is used for detecting ground wire electrification drain conditions；
Described logic control drive division is used for controlling first coil and the second coil, wherein, first
Coil is used for adhesive electrical apparatus release, and the second coil is used for disconnecting electrical apparatus release；
Zero sequence electric leakage self-inspection is used for detecting whether zero-sequence mutual inductance coil leaks electricity；
Zero sequence detection of electrical leakage is for detection zero live wire drain conditions, and passes through logic control drive division
Control electrical apparatus release action.
Described logic control drive division connects the detection of high-temperature protection circuit, water flow switch and state
Instruction；Described high-temperature protection circuit is used for detecting pin, and whether temperature is too high, thus passes through logic
Control to drive and disconnect electrical apparatus release；The detection of described water flow switch is used for detecting water flow switch state, water
Stream switch is in opening, and the second coil disconnects electrical apparatus release all the time, otherwise then allows First Line
Circle adhesive electrical apparatus release.Meanwhile, it is also provided with condition indication circuit and buzzer, state instruction electricity
Road is for indicating the running status of current whole protector, and including the display of fault, buzzer rises
To alarm function.
As shown in Figure 3 and Figure 4, in one embodiment of the invention, water outlet power-off is intelligent
Earth leakage protective device, may also include that
Ground wire electrified detection module, ground line current detection module, voltage/current logical analysis mould
Block and electric leakage dropout control module；
Described ground wire electrified detection module, is connected with described voltage/current logic analysis module,
For detecting the voltage between ground-zero line, and testing result is exported patrol to described voltage/current
Collect and analyze module；
Described ground line current detection module, is connected with described voltage/current logic analysis module,
For detecting the electric current on ground wire, and testing result is exported divide to described voltage/current logic
Analysis module；
Described voltage/current logic analysis module, respectively with described ground wire electrified detection module,
Described ground line current detection module, and electric leakage dropout control module is connected, for when described
The voltage detecting result of tape electro-detection module is more than predetermined voltage threshold, and described ground line current
When the current detecting result of detection module is more than predetermined current threshold, trigger described electric leakage dropout control
Module action processed；
Described electric leakage dropout control module, at described voltage/current logic analysis module
Under triggering, control described second coil and disconnect with described electrical apparatus release, so that described load power down.
Wherein, the second coil and electrical apparatus release are unified in figs. 3 and 4 with electromagnetic trip coil table
Show.
Accordingly, as it is shown in figure 5, embodiments of the invention also provide for a kind of water outlet power-off intelligence
The control method of type earth leakage protective device, including:
S31, whether the outlet of detection electric equipment there are flowing out；
S32, in the case of the outlet detecting electric equipment there are flowing out, controls second
Coil disconnects with electrical apparatus release, so that load power down；
S33, in the case of the anhydrous outflow of the outlet detecting described electric equipment, it is allowed to
First coil and described electrical apparatus release adhesive, so that described load switches on power.
So, the control method of the earth leakage protective device of the protection type that the embodiment of the present invention provides, energy
Enough water outlet power-off, accomplish that water power isolates using effect, do not use potential safety hazard, and overcome
The exception that ground wire is all charged and wiring error etc. is brought, has stopped potential fail safe hidden
Suffer from.
Optionally, described method may also include that
Detection zero sequence electric-leakage detection circuit is the most effective；
In the case of described zero sequence electric-leakage detection circuit is invalid, the second coil disconnects electrical apparatus release,
Load power down, and carry out failture evacuation；
In the case of described zero sequence electric-leakage detection circuit is effective, detect zero live wire drain conditions,
And control described electrical apparatus release action.
Concrete, detect zero live wire drain conditions, and control described electrical apparatus release action and include: as
Really zero live wire electric leakage, controls described electrical apparatus release and disconnects with described second coil, so that load power down.
Further, described method may also include that
Further, described method may additionally include the pin temperature situation higher than predetermined threshold value
Under, control described second coil and disconnect with described electrical apparatus release.
As shown in Figure 6, in one embodiment of the invention, the intelligent electric leakage of water outlet power-off is protected
Protect the control method of device, it may include following steps:
S1, switches on power；
S2, system reset；
S3, zero sequence detection of electrical leakage self-inspection；
S4, judges above-mentioned process of self-test, if self-inspection disconnects de-without output, the second coil
Button device, load power down, carry out failture evacuation simultaneously, if failture evacuation, reclose power supply,
Otherwise malfunction indicator lamp persistently flashes；If self-inspection has output, first coil adhesive electrical apparatus release, bear
Load powers on；
S6, if water flow switch is connected, cuts off load power source, i.e. electrical apparatus release and disconnects, otherwise, permit
Permitted load to switch on power.
Embodiments of the invention overcome existing all earth leakage protective devices shortcoming and safety the most hidden
Suffer from design, be the earth leakage protective device of the omnibearing protection type that long-pending all functions are integrated, intelligent and safe
Reliably；Water outlet power-off, accomplishes that water power isolates using effect, does not use potential safety hazard；Overcome
The exception that ground wire is all charged and wiring error etc. is brought, system all can effectively recognition detection and control
System；The circut breaking that do not trips when solving traditional earth leakage protective device on-off control, stops
Potential safety hazard and improve energy-saving effect, need not directly closing control open for a long time
Close；Add self-checking function, stop potential fail safe hidden danger.
Further, the control method of water outlet power-off intelligent leakage protector, may also include that
Detect the voltage between ground-zero line and the electric current on ground wire respectively；
When voltage detecting result is more than predetermined voltage threshold, and current detecting result is more than presetting electricity
During stream threshold value, control described second coil and disconnect with described electrical apparatus release, so that described load power down.
Such as, in one embodiment of the invention, when voltage detecting result is more than 36 volts,
Current detecting result is more than 30 MAHs, controls described second coil and disconnects with described electrical apparatus release,
So that described load power down.Certainly, in other embodiments of the invention, voltage threshold and electricity
Stream threshold value can be arranged according to practical situation, and this is not limited by embodiments of the invention.
In sum, above-mentioned embodiment is not the restricted embodiment of the present invention, all
Modification that the technical staff in field is carried out on the basis of the flesh and blood of the present invention or etc.
Effect deformation, all at the technology category of the present invention.
Claims (8)
1. a water outlet power-off intelligent leakage protector, it is characterised in that including: current test section, logic control drive division, first coil, the second coil and electrical apparatus release；
Described current test section, for detecting whether the outlet of electric equipment there are flowing out；
Described logic control drive division, is connected with described current test section, is used for: in the case of described current test section detects that the outlet of electric equipment there are flowing out, and controls described second coil and disconnects with described electrical apparatus release, so that load power down；In the case of the anhydrous outflow of outlet that described current test section detects electric equipment, it is allowed to described first coil and described electrical apparatus release adhesive, so that described load switches on power.
2. water outlet power-off intelligent leakage protector as claimed in claim 1, it is characterised in that also include:
Ground wire electrified detection module, voltage/current logic analysis module and zero sequence detection of electrical leakage module；
Wherein, described ground wire electrified detection module is used for detecting ground wire electrification drain conditions；
Described voltage/current logic analysis module carries out logical judgment for the current value of the testing result according to described ground wire electrified detection module and ground line current detection, then drives electrical apparatus release action when ground wire voltage and current meets systemic presupposition value simultaneously；
Described zero sequence detection of electrical leakage module is for detection zero live wire drain conditions, and controls described electrical apparatus release action by described logic control drive division.
3. water outlet power-off intelligent leakage protector as claimed in claim 1, it is characterised in that also include:
Ground wire electrified detection module, ground line current detection module, voltage/current logic analysis module and electric leakage dropout control module；
Described ground wire electrified detection module is connected with described voltage/current logic analysis module, for detecting the voltage between ground-zero line, and testing result is exported to described voltage/current logic analysis module；
Described ground line current detection module is connected with described voltage/current logic analysis module, for detecting the electric current on ground wire, and testing result is exported to described voltage/current logic analysis module；
Described voltage/current logic analysis module, respectively with described ground wire electrified detection module, described ground line current detection module, and electric leakage dropout control module is connected, for the voltage detecting result when described ground wire electrified detection module more than predetermined voltage threshold, and the current detecting result of described ground line current detection module more than predetermined current threshold time, trigger described electric leakage dropout control module action；
Described electric leakage dropout control module, under the triggering of described voltage/current logic analysis module, controls described second coil and disconnects with described electrical apparatus release, so that described load power down.
4. water outlet power-off intelligent leakage protector as claimed any one in claims 1 to 3; it is characterized in that: described logic control drive division connects high-temperature protection circuit; described high-temperature protection circuit, in the case of in pin temperature higher than predetermined threshold value, controls described second coil by described logic control drive division and disconnects with described electrical apparatus release.
5. the control method for water outlet power-off intelligent leakage protector, it is characterised in that including:
Whether the outlet of detection electric equipment there are flowing out；
In the case of the outlet detecting electric equipment there are flowing out, control the second coil and disconnect with electrical apparatus release, so that load power down；
In the case of the anhydrous outflow of the outlet detecting described electric equipment, it is allowed to first coil and described electrical apparatus release adhesive, so that described load switches on power.
6. method as claimed in claim 5, it is characterised in that also include:
Detection zero sequence electric-leakage detection circuit is the most effective；
In the case of described zero sequence electric-leakage detection circuit is invalid, the second coil disconnects electrical apparatus release, load power down, and carries out failture evacuation；
In the case of described zero sequence electric-leakage detection circuit is effective, detects zero live wire drain conditions, and control described electrical apparatus release action.
7. method as claimed in claim 6, it is characterised in that described detection zero live wire drain conditions, and control described electrical apparatus release action and include:
If zero live wire electric leakage, control described electrical apparatus release and disconnect with described second coil, so that load power down.
8. method as claimed in claim 5, it is characterised in that also include:
Detect the voltage between ground-zero line and the electric current on ground wire respectively；
When voltage detecting result is more than predetermined voltage threshold, and when current detecting result is more than predetermined current threshold, control described second coil and disconnect with described electrical apparatus release, so that described load power down.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510626742.XA CN105207172A (en) | 2015-09-28 | 2015-09-28 | Water outlet power failure intelligent electric leakage protector and control method thereof |
| CN201510626742X | 2015-09-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105914707A true CN105914707A (en) | 2016-08-31 |
Family
ID=54954684
Family Applications (5)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510626742.XA Pending CN105207172A (en) | 2015-09-28 | 2015-09-28 | Water outlet power failure intelligent electric leakage protector and control method thereof |
| CN201610404957.1A Pending CN105914707A (en) | 2015-09-28 | 2016-06-08 | Water-outflow power-failure intelligent electric leakage protector and control method thereof |
| CN201610402183.9A Pending CN105896465A (en) | 2015-09-28 | 2016-06-08 | Three-pole leakage protector and working method thereof |
| CN201620552777.3U Active CN205681098U (en) | 2015-09-28 | 2016-06-08 | Three pole earth leakage protective devices |
| CN201620555405.6U Active CN205666608U (en) | 2015-09-28 | 2016-06-08 | Go out intelligent earth -leakage protector of water outage |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510626742.XA Pending CN105207172A (en) | 2015-09-28 | 2015-09-28 | Water outlet power failure intelligent electric leakage protector and control method thereof |
Family Applications After (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610402183.9A Pending CN105896465A (en) | 2015-09-28 | 2016-06-08 | Three-pole leakage protector and working method thereof |
| CN201620552777.3U Active CN205681098U (en) | 2015-09-28 | 2016-06-08 | Three pole earth leakage protective devices |
| CN201620555405.6U Active CN205666608U (en) | 2015-09-28 | 2016-06-08 | Go out intelligent earth -leakage protector of water outage |
Country Status (1)
| Country | Link |
|---|---|
| CN (5) | CN105207172A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106384994A (en) * | 2016-12-02 | 2017-02-08 | 余姚市嘉荣电子电器有限公司 | Electric leakage protector |
| CN106440393A (en) * | 2016-12-02 | 2017-02-22 | 余姚市嘉荣电子电器有限公司 | Intelligent effluent outage control system and method |
| CN106482354A (en) * | 2016-11-28 | 2017-03-08 | 广东万家乐燃气具有限公司 | A kind of electric heater water outlet power-off and earth leakage protective device |
| CN106505518A (en) * | 2016-12-27 | 2017-03-15 | 余姚市嘉荣电子电器有限公司 | A kind of earth leakage protective device |
| CN106711938A (en) * | 2016-12-27 | 2017-05-24 | 余姚市嘉荣电子电器有限公司 | Leakage protector |
| CN107084535A (en) * | 2017-05-27 | 2017-08-22 | 芜湖美的厨卫电器制造有限公司 | Electric heater and its protection device |
| CN113218084A (en) * | 2021-01-15 | 2021-08-06 | 广东万家乐燃气具有限公司 | Intelligent protection electric water heater with automatic complete machine out of work |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105207172A (en) * | 2015-09-28 | 2015-12-30 | 余姚市嘉荣电子电器有限公司 | Water outlet power failure intelligent electric leakage protector and control method thereof |
| CN106058808B (en) * | 2016-07-14 | 2019-09-17 | 余姚市嘉荣电子电器有限公司 | Controllable type water outlet power-off earth leakage protective device |
| CN106253217A (en) * | 2016-09-07 | 2016-12-21 | 余姚市嘉荣电子电器有限公司 | A kind of earth leakage protective device and method of work thereof |
| CN106526426A (en) * | 2016-11-24 | 2017-03-22 | 云南电网有限责任公司电力科学研究院 | Power distribution network fault analyzing system and method |
| CN108011256B (en) * | 2016-12-20 | 2023-10-27 | 芜湖美的厨卫电器制造有限公司 | Leakage protection plug and electric water heater |
| CN106839445B (en) * | 2017-03-09 | 2023-08-22 | 广东万家乐燃气具有限公司 | Power-on and power-off control system of electric water heater |
| CN107086542A (en) * | 2017-05-25 | 2017-08-22 | 乐清市诚富电器科技有限公司 | Fully-automatic intelligent switch type control circuit of earth leakage and its method |
| CN108933428A (en) * | 2017-05-27 | 2018-12-04 | 芜湖美的厨卫电器制造有限公司 | Electric heater and its protective device |
| CN108933427B (en) * | 2017-05-27 | 2021-02-23 | 芜湖美的厨卫电器制造有限公司 | Electric water heater and protection device thereof |
| CN112666488B (en) * | 2019-09-30 | 2024-06-07 | 万帮数字能源股份有限公司 | Ground fault detection method and device |
| CN112230109A (en) * | 2020-10-29 | 2021-01-15 | 株洲中车时代电气股份有限公司 | Alternating current insulation monitoring method and device, storage medium and electronic equipment |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102954593A (en) * | 2012-11-06 | 2013-03-06 | 中山华帝燃具股份有限公司 | Electric leakage induction and protection control system on electric water heater |
| CN104154662A (en) * | 2014-07-23 | 2014-11-19 | 郭铨荣 | Control system of electric-shock-resistant storage water heater |
| CN204205558U (en) * | 2014-09-30 | 2015-03-11 | 余姚市嘉荣电子电器有限公司 | With the leakage protecting plug that ground wire high voltage detects |
| CN104868443A (en) * | 2015-05-15 | 2015-08-26 | 余姚市嘉荣电子电器有限公司 | Automatic power-on intelligent-type electric leakage protector |
| CN205666608U (en) * | 2015-09-28 | 2016-10-26 | 余姚市嘉荣电子电器有限公司 | Go out intelligent earth -leakage protector of water outage |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0576130A (en) * | 1991-09-11 | 1993-03-26 | Honda Motor Co Ltd | Ground current detector/suppressor for power distribution line |
| CN103579992B (en) * | 2012-08-01 | 2016-08-17 | 樱花卫厨（中国）股份有限公司 | Voltage type leakage protection power line over-current protection device for electric heater |
| CN104319559A (en) * | 2014-09-29 | 2015-01-28 | 余姚市嘉荣电子电器有限公司 | Leakage protection plug with ground wire live-line indication |
| CN104538925A (en) * | 2014-12-23 | 2015-04-22 | 余姚市嘉荣电子电器有限公司 | Earth leakage protection plug with earth wire high voltage detection function |
| CN204349421U (en) * | 2014-12-23 | 2015-05-20 | 余姚市嘉荣电子电器有限公司 | With the leakage protecting plug that ground wire high voltage detects |
| CN104734114B (en) * | 2015-02-25 | 2017-11-03 | 余姚市嘉荣电子电器有限公司 | The abnormal earth leakage protective device of optocoupler detection ground wire voltage |
| CN204578063U (en) * | 2015-03-20 | 2015-08-19 | 余姚市嘉荣电子电器有限公司 | The abnormal earth leakage protective device of ground wire voltage is detected without IC optocoupler |
-
2015
- 2015-09-28 CN CN201510626742.XA patent/CN105207172A/en active Pending
-
2016
- 2016-06-08 CN CN201610404957.1A patent/CN105914707A/en active Pending
- 2016-06-08 CN CN201610402183.9A patent/CN105896465A/en active Pending
- 2016-06-08 CN CN201620552777.3U patent/CN205681098U/en active Active
- 2016-06-08 CN CN201620555405.6U patent/CN205666608U/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102954593A (en) * | 2012-11-06 | 2013-03-06 | 中山华帝燃具股份有限公司 | Electric leakage induction and protection control system on electric water heater |
| CN104154662A (en) * | 2014-07-23 | 2014-11-19 | 郭铨荣 | Control system of electric-shock-resistant storage water heater |
| CN204205558U (en) * | 2014-09-30 | 2015-03-11 | 余姚市嘉荣电子电器有限公司 | With the leakage protecting plug that ground wire high voltage detects |
| CN104868443A (en) * | 2015-05-15 | 2015-08-26 | 余姚市嘉荣电子电器有限公司 | Automatic power-on intelligent-type electric leakage protector |
| CN205666608U (en) * | 2015-09-28 | 2016-10-26 | 余姚市嘉荣电子电器有限公司 | Go out intelligent earth -leakage protector of water outage |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106482354A (en) * | 2016-11-28 | 2017-03-08 | 广东万家乐燃气具有限公司 | A kind of electric heater water outlet power-off and earth leakage protective device |
| CN106384994A (en) * | 2016-12-02 | 2017-02-08 | 余姚市嘉荣电子电器有限公司 | Electric leakage protector |
| CN106440393A (en) * | 2016-12-02 | 2017-02-22 | 余姚市嘉荣电子电器有限公司 | Intelligent effluent outage control system and method |
| CN106505518A (en) * | 2016-12-27 | 2017-03-15 | 余姚市嘉荣电子电器有限公司 | A kind of earth leakage protective device |
| CN106711938A (en) * | 2016-12-27 | 2017-05-24 | 余姚市嘉荣电子电器有限公司 | Leakage protector |
| CN107084535A (en) * | 2017-05-27 | 2017-08-22 | 芜湖美的厨卫电器制造有限公司 | Electric heater and its protection device |
| CN113218084A (en) * | 2021-01-15 | 2021-08-06 | 广东万家乐燃气具有限公司 | Intelligent protection electric water heater with automatic complete machine out of work |
Also Published As
| Publication number | Publication date |
|---|---|
| CN205681098U (en) | 2016-11-09 |
| CN205666608U (en) | 2016-10-26 |
| CN105896465A (en) | 2016-08-24 |
| CN105207172A (en) | 2015-12-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105914707A (en) | Water-outflow power-failure intelligent electric leakage protector and control method thereof | |
| CN205029318U (en) | Go out intelligent earth -leakage protector of water outage | |
| CN106786366B (en) | Current Transformer Secondary side open-circuit-protection early warning system | |
| CN102983547B (en) | Uninterruptible power supply type leakage test comprehensive protection system | |
| CN104868443A (en) | Automatic power-on intelligent-type electric leakage protector | |
| CN104539041B (en) | VRF air conditioner system, back-up source device of indoor unit of VRF air conditioner system and control method | |
| CN106711938A (en) | Leakage protector | |
| CN105896196B (en) | Intelligent leakage protecting plug | |
| CN206161726U (en) | High pressure contact, non -contact electroscope combination electroscope | |
| CN104966378B (en) | LED acoustic-optic alarms | |
| CN209149525U (en) | A kind of safety utilization of electric power equipment | |
| CN108011348A (en) | Low-voltage intelligent distribution Control protection system and its control guard method | |
| CN205992726U (en) | A kind of earth leakage protective device | |
| CN104868444B (en) | Intelligent wireless network type earth leakage protective device | |
| CN206919427U (en) | Control system of electric water heater and electric heater | |
| CN206432694U (en) | Earth leakage protective device | |
| CN109962446A (en) | Safety utilization of electric power intelligent protection device | |
| CN204720958U (en) | Intelligent wireless network type earth leakage protective device | |
| CN105411051B (en) | Electric glove insulation method | |
| CN204925351U (en) | Permanent magnetism switch function testing arrangement | |
| CN107152788A (en) | Control system of electric water heater and electric heater | |
| CN207039166U (en) | A kind of pole power-off system of electric heater three with human body infrared sensing | |
| CN104300506B (en) | A kind of band prevents the battery protecting circuit of leakage function | |
| CN204216584U (en) | A kind of electric leakage indicating circuit | |
| CN104424766A (en) | Integrated intelligent fault alarming device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160831 |