CN207381953U - Arc, earth leakage - Google Patents
Arc, earth leakage Download PDFInfo
- Publication number
- CN207381953U CN207381953U CN201721476089.4U CN201721476089U CN207381953U CN 207381953 U CN207381953 U CN 207381953U CN 201721476089 U CN201721476089 U CN 201721476089U CN 207381953 U CN207381953 U CN 207381953U
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- Prior art keywords
- signal
- arc
- electric
- supply line
- earth leakage
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Classifications
-
- 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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H1/00—Details of emergency protective circuit arrangements
- H02H1/0007—Details of emergency protective circuit arrangements concerning the detecting means
- H02H1/0015—Using arc detectors
-
- 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
- H02H3/02—Details
- H02H3/04—Details with warning or supervision in addition to disconnection, e.g. for indicating that protective apparatus has functioned
-
- 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
-
- 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
- H02H3/33—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 using summation current transformers
Abstract
This disclosure relates to arc, earth leakage, including：Arc signal acquiring unit is coupled to the phase line of supply line to obtain the first electric signal in supply line；Electric leakage signal acquiring unit is coupled to phase line and the neutral conductor of supply line to obtain the second electric signal in supply line；Detection unit is coupled to arc signal acquiring unit and electric leakage signal acquiring unit, and is configured as identifying the arcing fault signal in supply line and the leak current fault signal in the second electric signal identification supply line according to the first electric signal；And execution unit, detection unit is coupled to, and is configured to respond to arcing fault signal and disconnects the switch in supply line and disconnect the switch in supply line in response to leak current fault signal.
Description
Technical field
Embodiment of the disclosure is related to a kind of arc, earth leakage.
Background technology
In supply line, due to various reasons it is possible that electric arc, i.e. electric discharge, some of electric arcs are undesirable
Even dangerous.This kind of electric arc unwillingly occurred in supply line is commonly referred to as arc fault.
To prevent arc fault from damaging, arc protection device is commonly equipped in supply line.Work as arc protection
When device detects the signal of instruction arc fault, then operating the tripping mechanism of arc protection device makes supply line break from power supply
It opens.
Arc fault can be generally divided into series arc faults, parallel arc fault, ground arc failure etc..Wherein, because
It can also be attributed to the one of which of ground arc failure in the sense for failure caused by line electrical leakage.
However, current arc protection device is especially in the case where circuit leaks electricity, since dropout threshold values is larger, de-
The shortcomings of button time is longer, it is impossible to meet the requirement for personal safety protection.
Utility model content
Embodiment of the disclosure provides a kind of arc, earth leakage.The arc, earth leakage includes：Electric arc
Signal acquiring unit is coupled to the phase line of supply line to obtain the first electric signal in the supply line；Electric leakage signal
Acquiring unit is coupled to phase line and the neutral conductor of the supply line to obtain the second electric signal in the supply line；Inspection
Survey unit, be coupled to the arc signal acquiring unit and the electric leakage signal acquiring unit, and be configured as according to this first
Electric signal identifies arcing fault signal in the supply line and is identified according to second electric signal in the supply line
Leak current fault signal；And execution unit, the detection unit is coupled to, and is configured to respond to arc fault letter
Number and disconnect be located at the supply line in switch and disconnected in response to the leak current fault signal in the supply line
Switch.
By the arc, earth leakage according to the disclosure, can be obviously improved to the failure because of caused by line electrical leakage
Detection, and significantly reduction thread off the response time, so as to meet to personal safety protection requirement.
In addition, by the arc, earth leakage according to the disclosure, the premise to electric arc fault protection can met
Under, while effective protection to leak current fault is provided, thus by traditional arc protection device and earth leakage protective device dexterously
Become one.
In some embodiments, which further comprises wave filter, processor and data storage.Wave filter quilt
It is configured to be filtered first electric signal and/or second electric signal.Processor is configured as according to through filter
First electric signal of ripple with identify arcing fault signal or according to the second filtered electric signal with identify leak current fault believe
Number, and generate to drive the drive signal of the execution unit.Data storage is configured as parameter of the storage for identification.
In some embodiments, the processor is configured as recognizing arcing fault signal or leak current fault signal
When, the execution unit is driven to disconnect the switch being located in the supply line.
In some embodiments, which is additionally configured to determine the fault type that the switch is caused to disconnect.
In some embodiments, which further includes pretreatment unit.The pretreatment unit is coupled
To between the arc signal acquiring unit and the detection unit, and it is configured as to as acquired in the electric leakage signal acquiring unit
The second electric signal be filtered and/or amplify.
In some embodiments, which further includes test cell.The test cell is configured as surveying
Try the functionality of the detection unit and the execution unit.
In some embodiments, which further comprises testing button and electronic switch.The testing button is by coupling
The detection unit is closed, which generates test signal in response to the triggering of the testing button.The electronic switch by with
It is set in response to the test signal that the detection unit is generated and turns on to generate simulation electric leakage signal in the supply line.
In some embodiments, which further includes fault detector.
In some embodiments, which further comprises LED light.The LED indicator lights are by flickering frequency
Rate indicates fault type by the flashing times in the unit interval.
In some embodiments, which further includes accessory power supply, is coupled to the arc signal and obtains
Take at least one of unit, the electric leakage signal acquiring unit and the detection unit.
Description of the drawings
Disclosure exemplary embodiment is described in more detail in conjunction with the accompanying drawings, the disclosure it is above-mentioned and other
Purpose, feature and advantage will be apparent, wherein, in disclosure exemplary embodiment, identical reference numeral is usual
Represent identical component.
Fig. 1 shows the system architecture diagram of arc, earth leakage 100 in accordance with an embodiment of the present disclosure；
Fig. 2 shows the principle of the test cell 110 of arc, earth leakage 100 in accordance with an embodiment of the present disclosure
Figure；
Specific embodiment
The technical solution of the disclosure is more specifically explained in below in conjunction with some embodiments.It should be appreciated that these embodiments are only
It is to be better described and understand the disclosure rather than limitation to the disclosure.Those skilled in the art be given below
On the basis of embodiment, the feature of embodiment can be carried out arbitrarily to combine and adjust, these should all belong to the disclosure
Protection domain.
In the disclosure, term " comprising " and its various variants are interpreted as open-ended term, represent " including but it is unlimited
In ".Term "based" is interpreted as " being based at least partially on ".Term " one embodiment " is interpreted as " at least one implementation
Example ".Term " another embodiment " is interpreted as " at least one other embodiment ".Term " first ", " second " etc. may refer to
Different or identical object.Hereinafter it is also possible that the definition explicitly or implicitly to other terms.Unless otherwise indicated,
The meaning of term is consistent in the context of the disclosure.
At present, the arc protection device for arc fault is usually separately provided in the distribution box of supply line
With for being directed to the earth leakage protective device of leak current fault.Arc protection device and earth leakage protective device are by setting independent of each other.
The main purpose of arc protection is the timely disconnecting circuit when breaking down electric arc, so as to avoid load due to overvoltage
Or overcurrent and damage, while lower and cause the risk of fire.Since conventional arc protection device has larger trip threshold
Longer drop-away time causes arc protection device to be not suitable for protecting personal safety.
When earth leakage protective is then usually used in leaking electricity in equipment or circuit, timely line disconnection current loop, so as to
Avoid human electric shock.
Inventors noted that it is readily applicable to leak electricity in the detection principle of arc fault to being grounded in arc protection device
The detection of failure.Based on the cognition, inventor dexterously extends earth leakage protective function on the basis of arc protection device,
Thus obtained arc, earth leakage is enabled to have both arc protection and earth leakage protective function, and meets AFDD simultaneously
(Arc Fault Detection Device) standard and RCD (Residual Current Device) standard.
Fig. 1 shows the system architecture diagram of arc, earth leakage 100 in accordance with an embodiment of the present disclosure.To realize electricity
The function of arc protection, arc, earth leakage 100 include arc signal acquiring unit 101, detection unit 102 and perform list
Member 103.
Arc signal acquiring unit 101 is commonly coupled on the phase line L of supply line 112, to obtain supply line 112
The first electric signal.It should be noted that the two-wire system shown in Fig. 1 was merely exemplary, it is leaked according to the electric arc of the disclosure
Electrical protective device 100 is also applied for other kinds of electric power system, such as three-phase four wire system.It shall also be noted that it carries herein
" the first electric signal " and " the second electric signal " arrived is merely for the sake of the purpose convenient for description rather than the limit to signal
It is fixed.Here, arc signal acquiring unit 101 for example can be current transformer or voltage transformer.Correspondingly, the first electrical letter
Number for example can be curtage.
Detection unit 102 is coupled to arc signal acquiring unit 101, and can be according to by arc signal acquiring unit
Arcing fault signal in 101 the first electric signal identification supply lines 112 obtained.
Execution unit 103 is coupled to detection unit 102, and can respond the electric arc event detected by detection unit 102
Barrier signal and disconnect the switch 113 in supply line 112, so as to turn off to the supply of the power supply of load, to avoid load by
It is damaged in overvoltage or overcurrent.
In accordance with an embodiment of the present disclosure, arc, earth leakage 100 further includes electric leakage signal acquiring unit 104.Electric leakage
Signal acquiring unit 104 is coupled to the phase line L of supply line 112 and neutral conductor N, to obtain the second of supply line 112 the electricity
Gas signal is, for example, the unbalanced signal in supply line 112.Electric leakage signal acquiring unit 104 for example can be zero-sequence current
Mutual inductor.In the case of leaking electricity or get an electric shock without generation when supply line 112 being working properly, pass through zero sequence current mutual inductance
The electric current of device primary side and be substantially equal to zero, i.e. IN+IL=0.Zero sequence current mutual inductor secondary side does not generate induced electricity at this time
Kinetic potential, therefore will not get in supply line 112 that there are unbalanced signals.Supply line 112 occur electric leakage or get an electric shock
In the case of, by the electric current of the phase line L and neutral conductor N of zero sequence current mutual inductor primary side and not equal to zero, zero-sequence current at this time
Mutual inductor secondary side generates induced electromotive force, and so as to get, there are unbalanced signals in supply line 112.It should manage
Solution, it should be noted that the two-wire system shown in Fig. 1 was merely exemplary, according to the arc, earth leakage 100 of the disclosure
It is also applied for other kinds of electric power system, such as three-phase four wire system.
Optionally, in certain embodiments, arc, earth leakage 100 further includes pretreatment unit 106.Pretreatment is single
Member 106 is coupled between arc signal acquiring unit 101 and detection unit 102.As acquired in electric leakage signal acquiring unit 104
The second electric signal unbalanced signal is pretreated unit 106 and filters and/or amplify in other words.It in this way, can be with
Improve the detection accuracy to unbalanced signal.
Second electric signal or pretreated second electric signal are then transmitted to detection unit 102.Detection is single
Thus member 102 identifies the leak current fault signal in supply line 112.When detection unit 102 recognizes leak current fault signal, drive
Dynamic execution unit 103, which disconnects, is located at the switch 113 in supply line 112 to realize earth leakage protective.
In this way, common detection unit 102 can be used to identify arcing fault signal and leak current fault signal
And disconnect supply line using common execution unit 103 so that be provided simultaneously with according to the arc, earth leakage of the disclosure
Arc protection and earth leakage protective function.Thus, it is possible to by independent at present according to the substitution of the arc, earth leakage of the disclosure
The arc protection device and earth leakage protective device of configuration, so as to save volume and optimize the occupied space to distribution box, while can
Cost is manufactured to save.
In certain embodiments, arc, earth leakage 100 further includes accessory power supply 105.The accessory power supply 105 can be with
At least one of arc signal acquiring unit 101, electric leakage signal acquiring unit 104 and detection unit 102 are coupled to, so as to
The low-tension supply needed for work, such as operating voltage needed for these units, such as 5V, 12V, 24V are provided for these units
Deng.
In certain embodiments, detection unit 102 may further include wave filter 107, processor 108 and data storage
Device 109.Wave filter 107 can be for example bandpass filter, be configured as to the first electric signal or the second electric signal into
Row filtering process is accurate to improve fault detect so as to eliminate the interference signal in the first electric signal or the second electric signal
Degree.Processor 108 is according to filtered the first electric signal or the second electric signal for example, by storing algorithm in firmware
Identify arcing fault signal or leak current fault signal.When processor 108 recognizes fault-signal, then drive signal is generated to drive
Dynamic execution unit 103 disconnects the switch being located in supply line.Data storage 109 is configured as storage for fault detect
Parameter is e.g. used to identify the comparison threshold value of different faults type.
In certain embodiments, processor 108 can also according to different fault identification algorithms, for example including serial arc
The algorithm of failure, parallel arc fault, ground arc failure, leakage arc failure etc. determines while fault-signal is recognized
Fault type.
In certain embodiments, arc, earth leakage 100 further includes fault detector 111.In this way, energy
It is enough to user or maintenance personal's instruction switch 113 to be caused to disconnect the fault type threaded off in other words or failure cause, so as to just
The failure occurred in for supply line 112 makes correspondingly measure.
In certain embodiments, fault detector 111 can include LED light.Detection unit 102 is according to identified
Fault type sends different control signals to LED light, so that LED light for example by flicker frequency or passes through
Flashing times in unit interval indicate fault type.Fault type for example can include but is not limited to Types Below：String arc
Dropout failure and arc dropout failure, electric leakage dropout failure, over-pressed dropout failure, device inside detection failure.Pass through this side
Formula can make user or maintenance personal easily determine to cause the failure cause threaded off.
In certain embodiments, arc, earth leakage 100 further includes test cell 110.The test cell 110 can be with
It is used in testing for the functionality of detection unit 102 and execution unit 103.After test cell 110 is triggered manually, leak electric arc
Electrical protective device 100 is for example tested respectively about arc protection function and creepage protection function, with meet respectively AFDD and
The requirement of RCD.
Fig. 2 shows the principle of the test cell 110 of arc, earth leakage 100 in accordance with an embodiment of the present disclosure
Figure.In the illustrated example shown in fig. 2, test cell 110 mainly includes testing button 201 and electronic switch 202.When user presses survey
After trying button 201, processor 108 recognizes test starting signal and starts test detection unit 102 in other words.It carries out first
The self-test (not shown) of arc-detection loop feature carries out leakage detecting circuit portion after arc-detection loop feature is successfully tested
The inspection divided.Known mode may be employed to the self-test in arc-detection circuit at this, this will not be repeated here.Below only in conjunction with figure
2 illustrate the inspection to leakage detecting circuit part.
As shown in Fig. 2, after starting to test leakage detecting circuit part, processor 108 sends test to electronic switch 202
Signal.Electronic switch 202 for example can be transistor, and emitter is for example connected on the virtual earth polar of circuit board, and is collected
Electrode is connected to supply line 112 through resistor 203, is connected in the figure 2 example on phase line L.When electronic switch 202
Base stage receive the test signal that processor 108 is sent after so that electronic switch 202 turns on, so as in phase line L, resistor
203rd, test loop is formed between electronic switch 202 and earth polar, there is a situation where leak electricity with simulation.Resistor 203 herein by
For limiting the electric current for flowing through electronic switch 203, to play a protective role.
In this case, since the one part of current in phase line L flows through test loop so that obtained by electric leakage signal
The electric current of zero sequence current mutual inductor primary side and not equal to zero in other words of unit 104, so as to sense unbalanced signal.Such
The unbalanced signal arrived alternatively referred to as simulates electric leakage signal.
In the figure 2 example, execution unit 103 is for example including electronic switching device 204 and tripping coil 205.If inspection
It surveys unit 102 and drive signal is sent to the electronic switching device 204 of execution unit 103 according to acquired simulation electric leakage signal
And tripping coil 205 is driven to disconnect and is located at supply line's switch 113, then leakage detecting circuit partial test is normal.
If detection unit 102 does not send drive signal or execution unit 103 does not respond to drive signal and performs
Opening operation, then leakage detecting circuit partial test is abnormal.In abnormal cases, detection unit 102 can be to fault detector
111 send control signal so that fault detector 111 for example by flicker frequency or passes through the flashing times in the unit interval
Carry out detection failure inside instruction device.
The presently disclosed embodiments is described above, above description is exemplary, and non-exclusive, and
It is not limited to disclosed each embodiment.In the case of without departing from the scope and spirit of illustrated each embodiment, for this skill
Many modifications and changes will be apparent from for the those of ordinary skill in art field.The selection of term used herein, purport
Best explain the principle of each embodiment, practical application or to market in technology technological improvement or make the art
Other those of ordinary skill be understood that each embodiment disclosed herein.
Claims (10)
1. a kind of arc, earth leakage (100), which is characterized in that including：
Arc signal acquiring unit (101) is coupled to the phase line (L) of supply line (112) to obtain the supply line
(112) the first electric signal in；
Electric leakage signal acquiring unit (104) is coupled to phase line (L) and the neutral conductor (N) of the supply line (112) to obtain
The second electric signal in the supply line (112)；
Detection unit (102) is coupled to the arc signal acquiring unit (101) and the electric leakage signal acquiring unit
(104), and it is configured as identifying the arcing fault signal in the supply line (112) according to first electric signal,
And the leak current fault signal in the supply line (112) is identified according to second electric signal；And
Execution unit (103) is coupled to the detection unit (102), and is configured to respond to the arc fault letter
Number and disconnect be located at the supply line (112) in switch (113) and disconnect position in response to the leak current fault signal
Switch (113) in the supply line (112).
2. arc, earth leakage (100) according to claim 1, which is characterized in that the detection unit (102) into
One step includes：
Wave filter (107) is configured as being filtered first electric signal and/or second electric signal；
Processor (108), be configured as according to the first filtered electric signal with identify arcing fault signal or according to through filter
Second electric signal of ripple generates to drive the drive signal of the execution unit (103) to identify leak current fault signal；
And
Data storage (109) is configured as parameter of the storage for identification.
3. arc, earth leakage (100) according to claim 2, which is characterized in that the processor (108) by with
It is set to when recognizing arcing fault signal or leak current fault signal, the execution unit (103) is driven to disconnect and is located at the confession
Switch (113) in electric line (112).
4. arc, earth leakage (100) according to claim 2, which is characterized in that the processor (108) goes back quilt
It is configured to determine the fault type that the switch (113) is caused to disconnect.
5. arc, earth leakage (100) according to claim 1, which is characterized in that further include：
Pretreatment unit (106) is coupled between the arc signal acquiring unit (101) and the detection unit (102),
And it is configured as to being filtered and/or being put as the second electric signal acquired in the electric leakage signal acquiring unit (104)
Greatly.
6. arc, earth leakage (100) according to any one of claim 1 to 5, which is characterized in that further include：
Test cell (110) is configured as testing the functionality of the detection unit (102) and the execution unit (103).
7. arc, earth leakage (100) according to claim 6, which is characterized in that the test cell (110) into
One step includes：
Testing button (201), is coupled to the detection unit (102), and the detection unit (102) is pressed in response to the test
The triggering of button (201) and generate test signal；And
Electronic switch (202) is configured to respond to the test signal that the detection unit (102) is generated and turns on in institute
State generation simulation electric leakage signal in supply line (112).
8. arc, earth leakage (100) according to claim 4, which is characterized in that the arc, earth leakage protection dress
It puts (100) and further includes fault detector (111).
9. arc, earth leakage (100) according to claim 8, which is characterized in that the fault detector (111)
Further comprise LED light, the LED light indicates institute by flicker frequency or by the flashing times in the unit interval
State fault type.
10. arc, earth leakage (100) according to any one of claim 1 to 5, which is characterized in that further include：
Accessory power supply (105) is coupled to the arc signal acquiring unit (101), the electric leakage signal acquiring unit (104)
At least one of with the detection unit (102).
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721476089.4U CN207381953U (en) | 2017-11-07 | 2017-11-07 | Arc, earth leakage |
| GB2007536.2A GB2583200A (en) | 2017-11-07 | 2018-11-07 | ARC leakage protection device |
| PCT/CN2018/114413 WO2019091410A1 (en) | 2017-11-07 | 2018-11-07 | Arc leakage protection device |
| AU2018363443A AU2018363443A1 (en) | 2017-11-07 | 2018-11-07 | Arc leakage protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721476089.4U CN207381953U (en) | 2017-11-07 | 2017-11-07 | Arc, earth leakage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207381953U true CN207381953U (en) | 2018-05-18 |
Family
ID=62335390
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721476089.4U Active CN207381953U (en) | 2017-11-07 | 2017-11-07 | Arc, earth leakage |
Country Status (4)
| Country | Link |
|---|---|
| CN (1) | CN207381953U (en) |
| AU (1) | AU2018363443A1 (en) |
| GB (1) | GB2583200A (en) |
| WO (1) | WO2019091410A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019091410A1 (en) * | 2017-11-07 | 2019-05-16 | 施耐德电气工业公司 | Arc leakage protection device |
| CN114389233A (en) * | 2020-10-16 | 2022-04-22 | Abb瑞士股份有限公司 | Current interrupter device |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8995098B2 (en) * | 2011-10-14 | 2015-03-31 | True-Safe Technologies, Inc. | Miswire protection and annunciation of system conditions for arc fault circuit interrupters and other wiring devices |
| CN203054158U (en) * | 2013-01-05 | 2013-07-10 | 绵阳和瑞电子有限公司 | Arc fault detecting device with working state indicating function |
| CN203929969U (en) * | 2013-12-19 | 2014-11-05 | 施耐德电气工业公司 | Arc fault detection device |
| CN106899000A (en) * | 2015-12-21 | 2017-06-27 | 天津市鸿远电气股份有限公司 | A kind of leakproof electrical circuit breakers of tape jam electric arc |
| CN106549358B (en) * | 2016-11-04 | 2019-01-22 | 珠海格力电器股份有限公司 | The detection control apparatus and air-conditioning of fault |
| CN207381953U (en) * | 2017-11-07 | 2018-05-18 | 施耐德电气工业公司 | Arc, earth leakage |
-
2017
- 2017-11-07 CN CN201721476089.4U patent/CN207381953U/en active Active
-
2018
- 2018-11-07 GB GB2007536.2A patent/GB2583200A/en not_active Withdrawn
- 2018-11-07 WO PCT/CN2018/114413 patent/WO2019091410A1/en active Application Filing
- 2018-11-07 AU AU2018363443A patent/AU2018363443A1/en not_active Abandoned
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019091410A1 (en) * | 2017-11-07 | 2019-05-16 | 施耐德电气工业公司 | Arc leakage protection device |
| GB2583200A (en) * | 2017-11-07 | 2020-10-21 | Schneider Electric Ind Sas | ARC leakage protection device |
| CN114389233A (en) * | 2020-10-16 | 2022-04-22 | Abb瑞士股份有限公司 | Current interrupter device |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2019091410A1 (en) | 2019-05-16 |
| AU2018363443A1 (en) | 2020-06-18 |
| GB202007536D0 (en) | 2020-07-01 |
| GB2583200A (en) | 2020-10-21 |
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