CN104347329A - Residual current protection breaker - Google Patents
Residual current protection breaker Download PDFInfo
- Publication number
- CN104347329A CN104347329A CN201310315814.XA CN201310315814A CN104347329A CN 104347329 A CN104347329 A CN 104347329A CN 201310315814 A CN201310315814 A CN 201310315814A CN 104347329 A CN104347329 A CN 104347329A
- Authority
- CN
- China
- Prior art keywords
- button
- sequence transformer
- residual current
- current protection
- casing
- 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
- 230000009977 dual effect Effects 0.000 claims description 5
- 230000007257 malfunction Effects 0.000 claims description 4
- 230000035945 sensitivity Effects 0.000 abstract description 2
- 230000001681 protective effect Effects 0.000 description 6
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
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- 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
- H01H83/00—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current
- H01H83/02—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by earth fault currents
- H01H83/04—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by earth fault currents with testing means for indicating the ability of the switch or relay to function properly
Landscapes
- Breakers (AREA)
Abstract
The invention discloses a residual current protection breaker. The residual current protection breaker is characterized by comprises a casing, a circuit control board arranged in the casing, and a zero sequence transformer, wherein the zero sequence transformer is connected with a zero sequence transformer plug, the outer surface of the casing is provided with a display screen, buttons, indicating lamps, a hand-operated tripping push rod and a hand-operated/automatic closing/opening switching handle, the indicating lamps comprise an opening indicating lamp, an alarm indicating lamp and a fault indicating lamp, the buttons comprise a test button, an opening button and a closing button, the outer surface of the casing is provided with a nine-shift dual-column direct-plugging type switch, and calculation control on the residual current protection breaker is realized by employing a single-chip microcomputer. The residual current protection breaker has advantages of reasonable structure, high automatic degree, high sensitivity and safe and convenient use.
Description
Technical field
The present invention relates to a kind of Aftercurrent protection circuit breaker, belong to earth leakage protective device.
Background technology
Aftercurrent protection circuit breaker, also known as earth leakage protective device, it is applicable to exchange 230V, frequency 50HZ, as final stage or terminal protection in rated current to the electric power system of the single phase poaer supply neutral-point solid ground of 250A.Being mainly used in gets an electric shock to the person provides indirect contact to protect, and also can be used to prevent apparatus insulated damage, produces earth fault current and causes fire hazard.Therefore, the sensitivity of earth leakage protective device, automaticity and functional is needed to improve constantly.
Summary of the invention
The object of the invention is: a kind of rational in infrastructure, Aftercurrent protection circuit breaker that automaticity is high, highly sensitive, safe and convenient to use is provided.
For achieving the above object, the technical solution used in the present invention is:
A kind of Aftercurrent protection circuit breaker, comprise housing, be arranged on circuit control panel and the zero-sequence transformer of enclosure interior, described zero-sequence transformer is connected with zero-sequence transformer plug, the outer surface of described housing is provided with display screen, button, indicator light, hand tripping push rod, manual deciliter handle and manual/auto divide-shut brake change lever, described indicator light comprises separating brake indicator light, alarm lamp and malfunction indicator lamp, described button comprises test button, opening button and switch knob, the outer surface of described housing is provided with nine gear dual in line switchs, this Aftercurrent protection circuit breaker described adopts single-chip microcomputer to calculate and controls.
Because technique scheme is used, the present invention compared with prior art has following advantages:
Because the present invention is provided with nine gear dual in line switchs at the outer surface of housing, by regulating the position of the switch on these nine gears, the mode of operation of earth leakage protective device and residual operating current value and electric leakage split time just can be regulated.
Control because earth leakage protective device of the present invention adopts single-chip microcomputer to calculate, it can realize remote divide-shut brake and control, and also can carry out information storage, set condition and combined floodgate automatic reclosing number of times etc. can be inquired about in time.
Accompanying drawing explanation
Accompanying drawing 1 is the embodiment of the present invention one external structure schematic diagram.
In above accompanying drawing: 1, housing; 2, zero-sequence transformer; 3, zero-sequence transformer plug; 4, display screen; 5, hand tripping push rod; 6, manual/auto divide-shut brake change lever; 7, separating brake indicator light; 8, alarm lamp; 9, malfunction indicator lamp; 10, test button; 11, opening button; 12, switch knob; 13, nine gear dual in line switchs, 14, manual deciliter handle.
Embodiment
Below in conjunction with drawings and Examples, the invention will be further described:
Embodiment one:
Shown in accompanying drawing 1, a kind of Aftercurrent protection circuit breaker of the present invention, comprise housing 1, be arranged on circuit control panel (not shown) and the zero-sequence transformer 2 of housing 1 inside, zero-sequence transformer 2 is connected with zero-sequence transformer plug 3, the outer surface of housing 1 is provided with display screen 4, button, indicator light, hand tripping push rod 5, manual deciliter handle 14 and manual/auto divide-shut brake change lever 6, indicator light comprises separating brake indicator light 7, alarm lamp 8 and malfunction indicator lamp 9, button comprises test button 10, opening button 11 and switch knob 12, this Aftercurrent protection circuit breaker adopts single-chip microcomputer to calculate and controls, the outer surface of housing 1 is provided with nine gear dual in line switchs 13, from left to right be followed successively by 1, 2, 3, 4, 5, 6, 7, 8, No. 9, wherein 1 number key is overvoltage protection switch key, to setting aside as overvoltage protection, upwards dial as exiting overvoltage protection, 2 number keys are under-voltage protection switch key, to setting aside as under-voltage protection, upwards dial as exiting under-voltage protection, No. 3 and 4 number keys are the adjustment key of (gradual) residual operating current value, the upper-lower position that two key combinations are different, obtain (slowly) residual operating current value be respectively 100,200,300mA and (gradual) earth leakage protective exits but has warning function, 5 and No. 6 adjustment keys for (sudden change) residual operating current value of getting an electric shock, the upper-lower position that two key combinations are different, obtain (sudden change) residual operating current value be respectively 30,50,75mA and tool leak electricity automatic tracking function, 7 number keys are electric leakage split time adjustment key, upwards dial as 0.2S, and to setting aside as 0.1S, 8 and 9 number keys are release rated current adjustment switch.
Above-described embodiment, only for technical conceive of the present invention and feature are described, its object is to person skilled in the art can be understood content of the present invention and implement according to this, can not limit the scope of the invention with this.All equivalences done according to Spirit Essence of the present invention change or modify, and all should be encompassed within protection scope of the present invention.
Claims (1)
1. an Aftercurrent protection circuit breaker, it is characterized in that: comprise housing, be arranged on circuit control panel and the zero-sequence transformer of enclosure interior, described zero-sequence transformer is connected with zero-sequence transformer plug, the outer surface of described housing is provided with display screen, button, indicator light, hand tripping push rod, manual deciliter handle and manual/auto divide-shut brake change lever, described indicator light comprises separating brake indicator light, alarm lamp and malfunction indicator lamp, described button comprises test button, opening button and switch knob, the outer surface of described housing is provided with nine gear dual in line switchs, this Aftercurrent protection circuit breaker described adopts single-chip microcomputer to calculate and controls.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310315814.XA CN104347329A (en) | 2013-07-25 | 2013-07-25 | Residual current protection breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310315814.XA CN104347329A (en) | 2013-07-25 | 2013-07-25 | Residual current protection breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104347329A true CN104347329A (en) | 2015-02-11 |
Family
ID=52502721
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310315814.XA Pending CN104347329A (en) | 2013-07-25 | 2013-07-25 | Residual current protection breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104347329A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113140430A (en) * | 2021-03-25 | 2021-07-20 | 国网浙江省电力有限公司湖州供电公司 | Visual type intelligent residual current operated protector of disconnection point |
| CN116435971A (en) * | 2023-04-27 | 2023-07-14 | 合肥惟新数控科技有限公司 | A Method for Preventing Fire from Overloading of Cables |
-
2013
- 2013-07-25 CN CN201310315814.XA patent/CN104347329A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113140430A (en) * | 2021-03-25 | 2021-07-20 | 国网浙江省电力有限公司湖州供电公司 | Visual type intelligent residual current operated protector of disconnection point |
| CN116435971A (en) * | 2023-04-27 | 2023-07-14 | 合肥惟新数控科技有限公司 | A Method for Preventing Fire from Overloading of Cables |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150211 |