CN203300911U - Safe earth leakage protection plug with charged ground line alarm function - Google Patents
Safe earth leakage protection plug with charged ground line alarm function Download PDFInfo
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- CN203300911U CN203300911U CN2013203549952U CN201320354995U CN203300911U CN 203300911 U CN203300911 U CN 203300911U CN 2013203549952 U CN2013203549952 U CN 2013203549952U CN 201320354995 U CN201320354995 U CN 201320354995U CN 203300911 U CN203300911 U CN 203300911U
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- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
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Abstract
A safe earth leakage protection plug with a charged ground line alarm function comprises a housing, and each phase connection line with a switch, a zero line and a ground line, and a leakage protector including a zero sequence mutual inductor, an electrical release, an amplifier, a rectifier, a test loop and a silicon controlled rectifier. The safe earth leakage protection plug is characterized in that an alarm circuit is in parallel connection between a phase line and the zero line, the alarm circuit comprises a second diode (D2), a first dividing resistor (R5), a first shunt resistor (R4), a light emitting diode and an MOS pipe, a voltage division circuit is arranged between the ground line and the zero line, the voltage division circuit comprises a first diode (D1), a second dividing resistor (R1), a third dividing resistor (R3), a first sampling resistor (R3), a capacitor and a voltage-stabilizer tube, and the voltage division circuit drives the MOS pipe to be conducted or cut off. When the phase line and the zero line are incorrectly connected, alarm is timely provided, a user is prompted to stop usage, a fault is timely eliminated, an electric shock accident is prevented, usage safety is guaranteed, power is timely cut off when a ground line is charged, and alarm is provided.
Description
Technical field
The present invention relates to a kind of safe leakage protecting plug.
Background technology
Currently available technology, a kind of safe leakage protecting plug comprise phase connection, zero wiring and the ground wiring of shell, each belt switch, and the earth leakage protective device of zero-sequence transformer, release, amplifier, rectifier, test loop and controllable silicon composition.Existing problems are: after the earth leakage circuit-breaker trip protection; but can not clearly offer an explanation out, be phase, zero line electric leakage or ground wire electrification; be unfavorable for fixing a breakdown; eliminate replacing in danger of getting an electric shock, the fail safe of therefore using for improving earth leakage circuit-breaker, can in time cut off the electricity supply while not only requiring ground wire electrification; more to set the contact with alarm of charged ground wire prompting; the danger of caution user ground wire electrification, in order in time get rid of this in danger, guarantee to use safety.
Summary of the invention
The objective of the invention is: a kind of safe leakage protecting plug of ground wire electrification abnormal alarm is provided, and it can in time be cut off the electricity supply and can alarm when ground wire electrification.
The present invention is achieved in that a kind of safe leakage protecting plug of ground wire electrification abnormal alarm, comprise phase connection, zero wiring and the ground wiring of shell, each belt switch, and the earth leakage protective device that forms of zero-sequence transformer, release, amplifier, rectifier, test loop and controllable silicon, its special character is: between described phase line and zero line and be connected to the alarm circuit that is comprised of the second diode, the first divider resistance (R5), the first shunt resistance, light-emitting diode, metal-oxide-semiconductor; The second diode and divider resistance are connected afterwards and the anodic bonding of light-emitting diode, the negative electrode of light-emitting diode is connected with the drain electrode of metal-oxide-semiconductor, and the first shunt resistance one terminates between divider resistance and light-emitting diode, the other end is connected with zero line with the source electrode of metal-oxide-semiconductor;
Described ground wire drives to the bleeder circuit that is comprised of the first diode, the second divider resistance, the 3rd divider resistance, the first sample resistance, electric capacity, voltage-stabiliser tube is set between zero line conducting or the cut-off of controlling metal-oxide-semiconductor, makes a kind of alarm of light-emitting diode when ground wire electrification is abnormal.
The safe leakage protecting plug of described a kind of ground wire electrification abnormal alarm, its special character is: the first diode, the second divider resistance and the series connection of the 3rd divider resistance;
After the first sample resistance, electric capacity and voltage-stabiliser tube parallel connection, with the 3rd sub-resistance, be connected, and be connected with source electrode, the grid of metal-oxide-semiconductor
The safe leakage protecting plug of a kind of ground wire electrification abnormal alarm of the present invention; owing to adopting such structure; phase line and zero line connect the timely alarm of inverse time energy in the prior art; with the caution user, stop using; in time fix a breakdown; thereby the generation of the casualty accident that prevents from getting an electric shock, ensure that on the basis of using safety, it can in time be cut off the electricity supply and can alarm when ground wire electrification.
The accompanying drawing explanation
Fig. 1 is electrical schematic diagram of the present invention.
Embodiment
The invention will be further described below in conjunction with accompanying drawing.
As shown in Figure 1, a kind of safe leakage protecting plug of ground wire electrification abnormal alarm, comprise phase connection, zero wiring and the ground wiring of shell, each belt switch, and the earth leakage protective device that forms of zero-sequence transformer, release, amplifier, rectifier, test loop and controllable silicon, between described phase line L and zero line N and be connected to the alarm circuit that is formed by the second diode D2, the first divider resistance R5, the first shunt resistance R4, light-emitting diode, metal-oxide-semiconductor; The second diode D2 and divider resistance R5 connect afterwards and the anodic bonding of light-emitting diode, the negative electrode of light-emitting diode is connected with the drain electrode of metal-oxide-semiconductor, and the first shunt resistance R4 mono-terminates between divider resistance R5 and light-emitting diode, the other end is connected with zero line with the source electrode of metal-oxide-semiconductor; The second diode D2 is connected with phase line L.
Described ground wire PE drives to the bleeder circuit that is comprised of the first diode D1, the second divider resistance R1, the 3rd divider resistance R2, the first sample resistance R3, capacitor C 1, voltage-stabiliser tube ZD1 is set between zero line N conducting or the cut-off of controlling metal-oxide-semiconductor, makes a kind of alarm of light-emitting diode when ground wire electrification is abnormal.
The first diode D1, second minute piezoelectricity R1 and the 3rd divider resistance R2 series connection;
After the first sample resistance R3, capacitor C 1 and voltage-stabiliser tube ZD1 parallel connection, with the 3rd divider resistance R2, be connected, and be connected with source electrode, the grid of metal-oxide-semiconductor.
During local tape electrical anomaly, ground wire PE between zero line N and the bleeder circuit that forms of the G diode D1 that connects, the second divider resistance R1, the 3rd divider resistance R2, the first sample resistance R3, capacitor C 1, voltage-stabiliser tube ZD1 drive the G grid of controlling metal-oxide-semiconductor Q1, when as long as this voltage reaches the grid G threshold voltage of metal-oxide-semiconductor, the metal-oxide-semiconductor conducting.This moment, metal-oxide-semiconductor was conducting state, and electric current passes through from the first shunt resistance R4 and LED 1 respectively, LED 1 luminous alarm prompting, and this is the ground wire electrification abnormality
Above-described is only preferential execution mode of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the principles of the present invention, can also make some improvement and modification, this also is considered as protection scope of the present invention.
Claims (2)
1. the safe leakage protecting plug of a ground wire electrification abnormal alarm, comprise phase connection, zero wiring and the ground wiring of shell, each belt switch, and the earth leakage protective device that forms of zero-sequence transformer, release, amplifier, rectifier, test loop and controllable silicon, it is characterized in that: between described phase line and zero line and be connected to the alarm circuit that is formed by the second diode (D2), the first divider resistance (R5), the first shunt resistance (R4), light-emitting diode, metal-oxide-semiconductor; The second diode (D2) and divider resistance (R5) are connected afterwards and the anodic bonding of light-emitting diode, the negative electrode of light-emitting diode is connected with the drain electrode of metal-oxide-semiconductor, and the first shunt resistance R4 mono-terminates between divider resistance (R5) and light-emitting diode, the other end is connected with zero line with the source electrode of metal-oxide-semiconductor;
Described ground wire drives to the bleeder circuit that is comprised of the first diode (D1), the second divider resistance (R1), the 3rd divider resistance (R2), the first sample resistance (R3), electric capacity, voltage-stabiliser tube is set between zero line conducting or the cut-off of controlling metal-oxide-semiconductor, makes a kind of alarm of light-emitting diode when ground wire electrification is abnormal.
2. the safe leakage protecting plug of a kind of ground wire electrification abnormal alarm according to claim 1, is characterized in that: the first diode (D1), the second divider resistance (R1) and the series connection of the 3rd divider resistance (R2);
After the first sample resistance (R3), electric capacity and voltage-stabiliser tube parallel connection, with the 3rd sub-resistance (R2), be connected, and be connected with source electrode, the grid of metal-oxide-semiconductor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203549952U CN203300911U (en) | 2013-06-20 | 2013-06-20 | Safe earth leakage protection plug with charged ground line alarm function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203549952U CN203300911U (en) | 2013-06-20 | 2013-06-20 | Safe earth leakage protection plug with charged ground line alarm function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203300911U true CN203300911U (en) | 2013-11-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013203549952U Expired - Lifetime CN203300911U (en) | 2013-06-20 | 2013-06-20 | Safe earth leakage protection plug with charged ground line alarm function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203300911U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103346443A (en) * | 2013-06-20 | 2013-10-09 | 佛山市顺德区澳骏电子科技有限公司 | Safe earth leakage protection plug giving alarm about earth wire electrification abnormity |
| CN106950453A (en) * | 2017-05-05 | 2017-07-14 | 南京信息工程大学 | A kind of grounding safety Protective Detector |
| DE102019204033B3 (en) | 2019-03-25 | 2020-07-23 | Volkswagen Aktiengesellschaft | Electrical fuse, method of operating an electrical fuse and electrical traction network |
-
2013
- 2013-06-20 CN CN2013203549952U patent/CN203300911U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103346443A (en) * | 2013-06-20 | 2013-10-09 | 佛山市顺德区澳骏电子科技有限公司 | Safe earth leakage protection plug giving alarm about earth wire electrification abnormity |
| CN106950453A (en) * | 2017-05-05 | 2017-07-14 | 南京信息工程大学 | A kind of grounding safety Protective Detector |
| CN106950453B (en) * | 2017-05-05 | 2023-09-12 | 南京信息工程大学 | A ground safety protection detector |
| DE102019204033B3 (en) | 2019-03-25 | 2020-07-23 | Volkswagen Aktiengesellschaft | Electrical fuse, method of operating an electrical fuse and electrical traction network |
| WO2020193375A1 (en) | 2019-03-25 | 2020-10-01 | Volkswagen Aktiengesellschaft | Electrical fuse, method for operating an electrical fuse, and electrical traction network |
| US11862422B2 (en) | 2019-03-25 | 2024-01-02 | Volkswagen Aktiengesellschaft | Electrical fuse, method for operating an electrical fuse, and electrical traction network |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131120 |