CN106298382B - Breaker realizes the switching method of arc fault warning and arc fault power-off - Google Patents
Breaker realizes the switching method of arc fault warning and arc fault power-off Download PDFInfo
- Publication number
- CN106298382B CN106298382B CN201610935399.1A CN201610935399A CN106298382B CN 106298382 B CN106298382 B CN 106298382B CN 201610935399 A CN201610935399 A CN 201610935399A CN 106298382 B CN106298382 B CN 106298382B
- Authority
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- China
- Prior art keywords
- led lamp
- circuit
- arc fault
- breaker
- power
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- 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.)
- Expired - Fee Related
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/04—Means for indicating condition of the switching device
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/74—Means for adjusting the conditions under which the device will function to provide protection
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/04—Means for indicating condition of the switching device
- H01H2071/042—Means for indicating condition of the switching device with different indications for different conditions, e.g. contact position, overload, short circuit or earth leakage
Abstract
The invention discloses the switching method that a kind of breaker realizes arc fault warning and arc fault power-off, not tripped condition is can switch to, two functions with warning and protection, there is the characteristics of easy to use and step is simple.It includes breaker body, and test button and indicator lamp are provided with breaker body, and described indicator lamp includes green LED lamp, red LED lamp and the yellow LED lamp being arranged in order；Terminals are provided with described breaker body.The breaker of the present invention realizes the switching method of arc fault warning and arc fault power-off, by the cooperation of breaker body, test button and indicator lamp etc., can conveniently warn, and have the characteristics of step is simple, easy to use.
Description
Technical field
The present invention relates to arc-fault circuit interrupter field, particularly relate to that a kind of step is simple, the utilization of convenient use
AFCI/AFDD breakers realize failure warning and the switching method of failure power-off.
Background technology
Arc-fault circuit interrupter is a kind of electric switch for the fault electric arc that can be identified in electric wiring, when being sent out in circuit
The device of line disconnection power supply during existing arc fault.
Normal domestic use breaker can trip when finding short circuit, excessively stream, overvoltage, but arc-fault circuit interrupter not only can be right
The above situation carries out judgement action, and can be to the situation due to the reason generation fault electric arc such as general series connection or joint looseness
It is monitored and trips, so as to takes precautions against the generation of electrical fire.Therefore, the application of arc-fault circuit interrupter is wider.
Because the place that arc-fault circuit interrupter uses is not so sure, so user can select electric arc event according to the demand of oneself
Hinder the different working modes of breaker.
Existing arc-fault circuit interrupter only has power down function pattern, does not have alarm function pattern, is unfavorable for user's selection.
The content of the invention
It is an object of the invention to：There is provided that a kind of step is simple, have alarm function and the breaker of convenient use is realized
Arc fault warns and the switching method and LED display methods of arc fault power-off.
The present invention is achieved through the following technical solutions：Breaker realizes the switching of arc fault warning and arc fault power-off
Method, including breaker body, test button and LED light, described indicator lamp are provided with breaker body to be included
Green LED lamp, red LED lamp and the yellow LED lamp being arranged in order；AC220V wiring is provided with described breaker body
End, AC220V terminals access 220V power circuits, green LED lamp is often bright or glittering, and red LED lamp and yellow LED lamp are normal
Go out；It is characterized in that comprise the following steps：
A, when finding fault electric arc, under power-down mode, breaker body tripping operation, after combined floodgate, red LED lamp is glittering
N times, green LED lamp and yellow LED lamp are gone out；During normal operation, green LED lamp is glittering.
B, under non-"on" position, pin test button and give breaker body combined floodgate upper electricity, green LED lamp Chang Liang is red
LED and yellow LED lamp are gone out, and now breaker enters alert mode, when finding fault electric arc or other failures, green LED lamp
Go out, red LED lamp or yellow LED lamp are glittering, alarm indication fault type, do not power off；This alert mode is stored in MCU
In memory.
When c, being alarmed under alert mode, red LED lamp or yellow LED lamp are glittering, then click test button, breaker
Body then releases alert mode, and green LED lamp is glittering, and red LED lamp or yellow LED lamp are gone out, and has at this moment removed alarm；
D, under alert mode during alarm free, then test button is clicked, breaker body then releases alert mode, pattern
Preserve into MCU, green LED lamp is glittering, into power-off execution pattern, and switch after state will be stored in be arranged on it is disconnected
In the memory of MCU in the device body of road.
The circuit structure of described breaker body includes MCU, be connected with the MCU trip circuit, indicator light circuit,
Test key circuit, voltage sampling circuit, current acquisition amplifying circuit, high-frequency signal Acquisition Circuit and clock crystal oscillator circuit；
Described trip circuit passes through rectifier circuit and tripping coil connection line, described rectifier circuit and voltage sampling circuit
Connection, is also associated with 5v or 3.3v power circuits on rectifier circuit；Described current acquisition amplifying circuit and high-frequency signal
Acquisition Circuit also with connection.
Described 5v or 3.3v power circuits are also combined with voltage-regulator diode and three terminal regulator.
Described rectifier circuit is connected with single-phase silicon-controlled circuit, and the single-phase silicon-controlled circuit directly can be connected with MCU
Without photoelectric coupled circuit.
Watchdog circuit is also associated with described MCU.
Described test circuit button is joined directly together with MCU.
The present invention compared with prior art, has advantages below and beneficial effect：
(1) breaker of the invention realizes the switching method of arc fault warning and arc fault power-off, passes through breaker
The cooperation of body, test button and indicator lamp etc., can facilitate failure warning and the switching powered off, and have step
Simply, the characteristics of easy to use.
(2) current acquisition amplifying circuit, high-frequency signal Acquisition Circuit and voltage sampling circuit are provided with, can effectively be identified
Various failures in circuit.
(3) watchdog circuit is provided with, can prevent MCU endless loops from causing situation about crashing.
Brief description of the drawings
Fig. 1 is the breaker sheet that the breaker of the present invention realizes the switching method of arc fault warning and arc fault power-off
A kind of structural representation of body；
Fig. 2 is the breaker sheet that the breaker of the present invention realizes the switching method of arc fault warning and arc fault power-off
Another structural representation of body；
Fig. 3 is a kind of circuit that the breaker of the present invention realizes the switching method of arc fault warning and arc fault power-off
Structural representation；
Fig. 4 is the test button that the breaker of the present invention realizes the switching method of arc fault warning and arc fault power-off
One kind judge identification process figure；
In figure, 1-breaker body, 2-test button, 3-green LED lamp, 4-red LED lamp, 5-yellow led
Lamp, 6-terminals, 7-indicator light circuit, 8-test key circuit, 9-trip circuit, 10-rectifier circuit, 11-de-
Fastening wire circle, 12-5v or 3.3v power circuits, 13-high-frequency signal Acquisition Circuit, 14-current acquisition amplifying circuit, 15-see
Door dog circuit, 16-voltage sampling circuit.
Embodiment
The present invention is further described below in conjunction with the accompanying drawings, but the implementation of the present invention is not limited to this.
Embodiment 1：
As shown in Figure 1 and Figure 2, breaker of the present invention realizes the switching method of arc fault warning and arc fault power-off, bag
Breaker body 1 is included, test button 2 and LED light are provided with breaker body 1, described indicator lamp is included successively
Green LED lamp 3, red LED lamp 4 and the yellow LED lamp 5 of arrangement；AC220V wiring is provided with described breaker body 1
End 6, the AC220V terminals 6 access 220V power circuits, green LED lamp 3 normal bright or glittering, red LED lamp 4 and yellow led
Lamp 5 often goes out；It is characterized in that comprise the following steps：
A, when finding fault electric arc, under power-down mode, breaker body 1 is tripped, and after combined floodgate, red LED lamp 4 is dodged
Bright n times, green LED lamp 3 and yellow LED lamp 5 are gone out；
B, under non-"on" position, pin test button 2 and closed a floodgate upper electricity to breaker body 1, green LED lamp 3 Chang Liang is red
Color LED 4 and yellow LED lamp 5 are gone out, and now breaker enters alert mode, when finding fault electric arc or other failures, green
LED 3 is gone out, and red LED lamp 4 or yellow LED lamp 5 are glittering, alarm indication fault type, do not power off；This alert mode preserves
In memory in MCU.
When c, being alarmed under alert mode, red LED lamp 4 or yellow LED lamp 5 are glittering, then click test button 2, break
Road device body 1 then releases alert mode, and green LED lamp 3 is glittering, and red LED lamp 4 or yellow LED lamp 5 are gone out, and have at this moment been removed
Alarm；
D, under alert mode during alarm free, then test button 2 is clicked, breaker body 1 then releases alert mode, mould
Formula is preserved into MCU, and green LED lamp 3 is glittering, and into power-off execution pattern, and the state after switching will be stored in setting
In the memory of MCU in breaker body 1.
Under normal circumstances, green LED lamp 3 is glittering.When finding fault electric arc, AFCI/AFDD breakers can trip, but press
Button 2 is firmly tested to electric on breaker, the green LED lamp 3 on AFCI/AFDD breakers can Chang Liang, utilize this test button 2
Power and energy can be achieved, now, AFCI/AFDD breakers enter alert mode, find red LED lamp 4 or yellow led during failure
Lamp glittering 5, fault type is shown, does not power off, now clicks the test button 2 again, AFCI/AFDD breakers can release report
It is alert, at this moment remove warning.When breaker fault-free under alert mode, then click the test button 2, AFCI/
AFDD breakers just release alert mode, and green LED lamp is glittering, into power-down mode.Also, the state after switching will be stored
Into MCU memory.Under breaker pattern, when pressing test button 2, SCR performs open circuit, and to represent breaker working properly,
Separately when MCU has detected arc fault by ACT (transformer), MCU drivings SCR performs open circuit.When user wants AFCI/
When AFDD breakers are monitoring mode, user can first press test button 2 and keep when AFCI/AFDD breakers do not work
Press, then the switch of AFCI/AFDD breakers is closed a floodgate, then unclamp test button 2, at this moment green LED lamp Chang Liang, AFCI/
AFDD breakers enter monitoring mode.It is worth noting that, described terminals 6 are connected with the circuit surveyed.Above-mentioned function
Description is solidified with corresponding program in MCU：
Embodiment 2：
Circuit structure as preferable, described breaker body 1 includes MCU, and trip circuit is connected with the MCU
9th, indicator light circuit 7, test key circuit 8, voltage sampling circuit 16, current acquisition amplifying circuit 14, high-frequency signal collection electricity
Road 13 and clock crystal oscillator circuit；Described trip circuit 9 is described by rectifier circuit 10 and the connection line of tripping coil 11
Rectifier circuit 10 be connected with voltage sampling circuit 16,5v power circuits 12 are also associated with rectifier circuit 10；It is described
Current acquisition amplifying circuit 14 and high-frequency signal Acquisition Circuit 13 also and connection.It is worth noting that, described circuit
The measurement circuit that i.e. described terminals 6 are connect.The corresponding test button 2 of described test key circuit 8, described indicator lamp electricity
Road 7 corresponding green LED lamp 3, red LED lamp 4 and yellow LED lamp 5.
Embodiment 3：
It is further used as preferably, described 5v or 3.3v power circuits 12 are also combined with voltage-regulator diode and three-terminal voltage-stabilizing
Device, reduce the generation of stream of pulses, it is therefore prevented that the damage of electronic component.
Embodiment 4：
Single-phase silicon-controlled circuit 9 is connected with as preferable, described rectifier circuit 10, the single-phase silicon-controlled circuit 9
It can directly be connected with MCU and not have to photoelectric coupled circuit, the rectification of electric current can be facilitated, reduce stream of pulses, prevent the damage of electronic component
It is bad.
Embodiment 5：
As watchdog circuit 15 is also associated with preferable, described MCU, it can prevent MCU endless loops from causing to crash
Situation.
Embodiment 6：
It is joined directly together as preferable, described test circuit button 8 and MCU, facilitates timely collection and the place of signal
Reason.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
All any modification, equivalent and improvement made within refreshing and principle etc., should be included in the scope of the protection.
Claims (6)
1. breaker realizes the switching method of arc fault warning and arc fault power-off, including breaker body（1）, in open circuit
Device body（1）On be provided with test button（2）And LED light, described indicator lamp include the green LED lamp being arranged in order
（3）, red LED lamp（4）And yellow LED lamp（5）；Described breaker body（1）On be provided with AC220V terminals（6）,
The AC220V terminals（6）Access 220V power circuits, green LED lamp（3）Normal bright or glittering, red LED lamp（4）And yellow
LED（5）Often go out；It is characterized in that comprise the following steps：
A, when finding fault electric arc, under power-down mode, breaker body（1）Tripping operation, after combined floodgate, red LED lamp（4）Dodge
It is bright n times, green LED lamp（3）And yellow LED lamp（5）Go out；In normal operation, green LED lamp is glittering；
B, under non-"on" position, test button is pinned（2）To breaker body（1）It is electric on combined floodgate, green LED lamp（3）Often
It is bright, red LED lamp（4）And yellow LED lamp（5）Go out, now breaker enters alert mode, finds fault electric arc or other failures
When, green LED lamp（3）Go out, red LED lamp（4）Or yellow LED lamp（5）It is glittering, alarm indication fault type, do not power off；This
Alert mode is stored in the memory in MCU；
When c, being alarmed under alert mode, red LED lamp（4）Or yellow LED lamp（5）It is glittering, then click test button（2）,
Breaker body（1）Then release alert mode, green LED lamp（3）It is glittering, red LED lamp（4）Or yellow LED lamp（5）Go out, this
When removed alarm；
D, under alert mode during alarm free, then test button is clicked（2）, breaker body（1）Then release alert mode, mould
Formula is preserved into MCU, green LED lamp（3）Glittering, into power-off execution pattern, and the state after switching will be stored in and set
Put in breaker body（1）In MCU memory in.
2. breaker according to claim 1 realizes the switching method of arc fault warning and arc fault power-off, it is special
Sign is：Described breaker body（1）Circuit structure include MCU, be connected with trip circuit on the MCU（9）, indicator lamp
Circuit（7）, test key circuit（8）, voltage sampling circuit（16）, current amplification circuit（14）, high-frequency circuit（13）With timely
Clock crystal oscillator；Described trip circuit（9）Pass through rectifier circuit（10）And tripping coil（11）Connection line, described rectifier bridge
Circuit（10）With voltage sampling circuit（16）Connection, in rectifier circuit（10）On be also associated with 5v or 3.3v power circuits
（12）；Described current amplification circuit（14）And high-frequency circuit（13）Also with connection.
3. breaker according to claim 2 realizes the switching method of arc fault warning and arc fault power-off, it is special
Sign is：Described 5v or 3.3v power circuits（12）Also it is combined with voltage-regulator diode and three terminal regulator.
4. the breaker according to Claims 2 or 3 realizes the switching method of arc fault warning and arc fault power-off, its
It is characterised by：Described rectifier circuit（10）It is connected with single-phase silicon-controlled circuit（9）, the single-phase silicon-controlled circuit（9）Can be straight
Connect to be connected with MCU and do not have to photoelectric coupled circuit.
5. breaker according to claim 4 realizes the switching method of arc fault warning and arc fault power-off, it is special
Sign is：Watchdog circuit is also associated with described MCU（15）.
6. breaker according to claim 5 realizes the switching method of arc fault warning and arc fault power-off, it is special
Sign is：Described test circuit button（8）It is joined directly together with MCU.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610935399.1A CN106298382B (en) | 2016-11-01 | 2016-11-01 | Breaker realizes the switching method of arc fault warning and arc fault power-off |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610935399.1A CN106298382B (en) | 2016-11-01 | 2016-11-01 | Breaker realizes the switching method of arc fault warning and arc fault power-off |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106298382A CN106298382A (en) | 2017-01-04 |
| CN106298382B true CN106298382B (en) | 2018-03-02 |
Family
ID=57719691
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610935399.1A Expired - Fee Related CN106298382B (en) | 2016-11-01 | 2016-11-01 | Breaker realizes the switching method of arc fault warning and arc fault power-off |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106298382B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107179499B (en) * | 2017-06-09 | 2023-12-08 | 艾迪迪电气（苏州）有限公司 | Detection sensor for miniature circuit breaker |
| CN111029223B (en) * | 2019-12-25 | 2021-10-15 | 华为技术有限公司 | Circuit breaker and power distribution system |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11176309A (en) * | 1997-12-11 | 1999-07-02 | Fuji Electric Co Ltd | Main body cover of circuit breaker |
| US6980407B2 (en) * | 2002-12-09 | 2005-12-27 | Texas Instrument Incorporated | Arc detection apparatus and method |
| CN100477056C (en) * | 2006-04-03 | 2009-04-08 | 温州三蒙科技电气有限公司 | Multiple protective circuit breaker device with indicating lamp and automatic monitor |
| 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 |
| US10132856B2 (en) * | 2013-03-15 | 2018-11-20 | Hubbell Incorporated | GFCI self test software functional program for autonomous monitoring and fail safe power denial operations |
-
2016
- 2016-11-01 CN CN201610935399.1A patent/CN106298382B/en not_active Expired - Fee Related
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| Publication number | Publication date |
|---|---|
| CN106298382A (en) | 2017-01-04 |
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Granted publication date: 20180302 Termination date: 20211101 |
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