CN104103973A - Zero protection and grounding general self-inspection single-phase three-pole integrated socket - Google Patents
Zero protection and grounding general self-inspection single-phase three-pole integrated socket Download PDFInfo
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- CN104103973A CN104103973A CN201410350980.8A CN201410350980A CN104103973A CN 104103973 A CN104103973 A CN 104103973A CN 201410350980 A CN201410350980 A CN 201410350980A CN 104103973 A CN104103973 A CN 104103973A
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Abstract
The invention relates to a zero protection and grounding general self-inspection single-phase three-pole integrated socket. Zero protection is characterized in that a resistor is connected onto a zero line and a ground line of the single-phase three-pole integrated socket in a crossing mode, and the resistor is controlled by a selective switch. When an external power supply line has the problem that the zero line is disconnected or connected with a live line in an overlapping mode, and current of the resistor connected between the zero line and the ground line rises to a certain value, a user leakage protector is tripped out immediately, and electric devices of a user are effectively protected from damage. The grounding general self-inspection single-phase three-pole integrated socket is characterized in that the zero protection selective switch, safety self-inspection indicators and a test button are installed on the socket, if an indicator SD2 and an indicator SD3 light simultaneously, the position of the live line L1 is correct, otherwise, line connection errors exist, and the socket can only be used after the errors are removed. The socket has the advantages of being simple in circuit, low in cost, convenient to operate and has practical value.
Description
Technical field
The safe power supply, safety utilization of electric power, the ground connection that the present invention relates to low-voltage power supply system are detected and protection off zero field, particularly protection off zero and single-phase three utmost point disjunctor connector assemblies of ground connection general-purpose self check.
Background technology
In electric power system, there is phenomenon off zero, particularly the zero line of residential quarter three-phase and four-line power supply breaks suddenly, during the serious imbalance of three-phase firewire load, will cause part family voltage to be elevated to suddenly over 250V and even reach 400V left and right, or zero line is disconnected to be dropped on a certain phase firewire, will cause a large amount of household electrical appliance to be burnt, once similar accident occurs, and also there is no at present effective safeguard measure; Each urban and rural housing or industrial and mining enterprises are all used a large amount of single-phase tripolar plug seats at present, some family or enterprise security consciousness are not strong, house decoration and new equipment are installed unearthed line or ground wire does not meet safety requirements, be directed at and finally bring disaster to into the large Woe of loss of life or personal injury, how to find to detect the potential safety hazard of power consumption equipment, lack at present simple and effective measure.The simplest 220 volts of single-phase three pole sockets for example, because existing socket is that protection against electric shock jack gap is little and baffle plate is housed, voltage test pencil or universal meter indicator are difficult for injecting, cannot intuitively confirm the problem that ground wire exists, a kind of easy ground connection general-purpose self-checking plug seat of anxious palpus judge the fail safe of power consumption equipment and the reliability of earth system, to eliminate safe hidden trouble, stop the generation of accident.
Summary of the invention
The object of the invention is for above-mentioned defect, provide a kind of and there is protection off zero, meet safety requirements, easy and simple to handle, can detect protection off zero and single-phase three utmost point disjunctor connector assemblies of ground connection general-purpose self check of the single-phase three pole socket security performances of judgement.
Technical scheme of the present invention is single-phase three utmost point disjunctor connector assemblies of protection off zero and the self check of ground connection general-purpose, comprise single-phase three utmost point disjunctor connector assembly circuit of single-phase three utmost point disjunctor connector assemblies of protection off zero and the self check of ground connection general-purpose and resistance step-down protection off zero and the self check of ground connection general-purpose, it is characterized in that single-phase three utmost point disjunctor connector assemblies of protection off zero and the self check of ground connection general-purpose are that single-phase tripolar plug and single-phase three pole sockets are connected as a single entity, the back of single-phase tripolar plug is single-phase three pole sockets, resistance step-down protection off zero is installed in its inside and ground connection general-purpose self-checking plug seat circuit forms protection off zero and single-phase three utmost point disjunctor connector assemblies of ground connection general-purpose self check, the circuit structure of protection off zero is current-limiting resistance of connecting with protection selector switch K off zero of cross-over connection between zero line N and safety line E in single-phase three utmost point disjunctor connector assembly CH, protection selector switch K off zero opens protection off zero while connecting, the circuit structure of general-purpose self check is that self check indicator light SD and test button SB are installed respectively between safety line E and live wire L and between safety ground E and zero line N and between live wire L and zero line N, self check indicator light SD is in series with dropping resistor or decompression capacitor, test button SB is in series with current-limiting resistance or current limiting capacitance, according to indicator light SD, bright whether position is correct separately with secretly judging safety line E1 and zero line N1 and live wire L1, by test button SB, further confirm again, when single-phase tripolar plug seat CH inserts after user's single-phase three pole sockets, if the correct position of bright explanation live wire L1 of indicator light SD3 while between indicator light SD and live wire L and zero line N between safety line E and live wire L, depress between live wire L and zero line N test button SB reactionless, single-phase three pole sockets of depressing between safety line E and live wire L user's earth leakage protective tripping operation explanation user after test button SB are safe and reliable, otherwise having Miswire to wait to fix a breakdown uses again.
Single-phase three utmost point disjunctor connector assemblies of described protection off zero and the self check of ground connection general-purpose, comprise single-phase three utmost point disjunctor connector assembly circuit of resistance step-down protection off zero and the self check of ground connection general-purpose, it is characterized in that installing protection selector switch off zero and safe self check indicator light and test An Button on protection off zero and single-phase three utmost point disjunctor connector assemblies of ground connection general-purpose self check, the circuit structure of protection off zero is zero line N1 contact resistance R1 in single-phase three utmost point disjunctor connector assembly CHT1, resistance R 1 other end connects protection selector switch K1 off zero, the protection selector switch K1 other end off zero connects safety line E1, protection selector switch K1 off zero is equivalent to resistance R 1 while connecting and is connected across between zero line N1 and safety line E1, single-phase three utmost point disjunctor connector assembly CHT1 insert single-phase three pole sockets of user, when externally fed circuit occurs that zero line disconnects or rides on live wire, due to the different three-phase voltage disequilibriums of three phase supply power source loads, between user's zero line N1 and safety line E1, voltage may increase, the Current rise that is connected across resistance R 1 between zero line N1 and safety line E1 is during to a certain numerical value, user's earth leakage protective can trip immediately, effectively protection user's power consumption equipment exempts from damage, between safety line E1 and live wire L1 and between safety ground E1 and zero line N1 and between live wire L1 and zero line N1, self check indicator light and test button are installed respectively, according to indicator light, bright whether position is correct separately with secretly judging safety line E1 and zero line N1 and live wire L1, by test button, further confirm again, particular circuit configurations is that in single-phase three utmost point disjunctor connector assembly CHT1, safety line E1 connects protection selector switch K1 off zero simultaneously, test button SB1, indicator light SD1 and indicator light SD2, indicator light SD1 contact resistance R2, protection selector switch K1 other end contact resistance R1 off zero, resistance R 1 other end is connected zero line N1 together with resistance R 2 other ends, indicator light SD2 other end contact resistance R3, test button SB1 other end contact resistance R4, resistance R 3 other ends are connected live wire L1 together with resistance R 4 other ends, zero line N1 connects indicator light SD3 and test button SB2, indicator light SD3 other end contact resistance R5, test button SB2 other end contact resistance R6, resistance R 5 other ends are connected live wire L1 together with resistance R 6 other ends, indicator light SD1, indicator light SD2 and indicator light SD3 are used light-emitting diode or neon lamp, resistance R 2 while using light-emitting diode, the resistance of resistance R 5 and resistance R 3 is selected 82K Ω left and right, can also increase a diode connects with light-emitting diode and improves reverse breakdown voltage protection light-emitting diode, resistance R 2 while using neon lamp, more than the resistance of resistance R 3 and resistance R 5 is selected 1M Ω, when single-phase three utmost point disjunctor connector assembly CHT1 insert in user's single-phase three pole sockets, if indicator light SD2 and indicator light SD3 be the correct position of bright explanation live wire L1 simultaneously, depress test button SB2 reactionless, after depressing test button SB1, the tripping operation of user's earth leakage protective illustrates that user's single-phase three pole sockets are safe and reliable, otherwise having Miswire to wait to fix a breakdown uses again, the resistance of resistance R 1 is 300-500 Ω left and right, the resistance of resistance R 4 and resistance R 6 is 6.8K Ω left and right.
Single-phase three utmost point disjunctor connector assemblies of protection off zero of the present invention and the self check of ground connection general-purpose have protector off zero, in electric power system, there is phenomenon off zero, particularly the zero line of residential quarter three-phase and four-line power supply breaks suddenly, during the serious imbalance of three-phase firewire load, will cause part family voltage to be elevated to suddenly over 250V and even reach 400V left and right, or zero line is disconnected to be dropped on a certain phase firewire, will cause a large amount of household electrical appliance to be burnt, once similar accident occurs, the phenomenon that protector off zero can avoid electrical appliance to be burnt; There is correct connection to safety ground, the users' such as the safety ground of power supply, electricity consumption, the commercial house, residential quarters, independent resident family etc. and power consumption equipment single-phase three pole socket safety grounds are detected, guarantee safety utilization of electric power.The advantage that circuit of the present invention is simple, cost is low, easy to operate, very with practical value.
Accompanying drawing explanation
Single-phase three utmost point disjunctor connector assembly profile schematic diagrames of Fig. 1 protection off zero and the self check of ground connection general-purpose
Single-phase three utmost point disjunctor connector assembly circuit one schematic diagrams of Fig. 2 resistance step-down protection off zero and the self check of ground connection general-purpose
Single-phase three utmost point disjunctor connector assembly circuit two schematic diagrams of Fig. 3 resistance step-down protection off zero and the self check of ground connection general-purpose
L live wire, N zero line, E safety line, single-phase three utmost point disjunctor connector assemblies of CH, K protection selector switch off zero, SB test button, SD indicator light in Fig. 1.
L1 live wire, N1 zero line, E1 safety line, single-phase three utmost point disjunctor connector assemblies of CHT1, K1 protection selector switch off zero, SB1-SB2 test button, SD1-SD3 indicator light, R1-R6 resistance in Fig. 2, Fig. 3.
Embodiment
Fig. 1 is single-phase three utmost point disjunctor connector assembly profile schematic diagrames of protection off zero and the self check of ground connection general-purpose, execution mode: single-phase three utmost point disjunctor connector assemblies of protection off zero and the self check of ground connection general-purpose are that single-phase tripolar plug and single-phase three pole sockets are connected as a single entity, the back of single-phase tripolar plug is single-phase three pole sockets, resistance step-down protection off zero is installed in its inside and single-phase three utmost point disjunctor connector assembly circuit of ground connection general-purpose self check form protection off zero and single-phase three utmost point disjunctor connector assemblies of ground connection general-purpose self check, the circuit structure of protection off zero is one of the cross-over connection current-limiting resistance of connecting with protection selector switch K off zero between zero line N and safety line E in single-phase three utmost point disjunctor connector assembly CH, protection selector switch K off zero opens protection off zero while connecting, the circuit structure of general-purpose self check is that self check indicator light SD and test button SB are installed respectively between safety line E and live wire L and between safety ground E and zero line N and between live wire L and zero line N, self check indicator light SD is in series with dropping resistor or decompression capacitor, test button SB is in series with current-limiting resistance or current limiting capacitance, according to indicator light SD, bright whether position is correct separately with secretly judging safety line E1 and zero line N1 and live wire L1, by test button SB, further confirm again, operation principle is to insert after user's single-phase three pole sockets as single-phase three utmost point disjunctor connector assembly CH, if the correct position of bright explanation live wire L1 of indicator light SD3 while between indicator light SD and live wire L and zero line N between safety line E and live wire L, depress between live wire L and zero line N test button SB reactionless, single-phase three pole sockets of depressing between safety line E and live wire L user's earth leakage protective tripping operation explanation user after test button SB are safe and reliable, otherwise having Miswire to wait to fix a breakdown uses again.Protection off zero is when externally fed circuit occurs that zero line disconnects or rides on live wire; due to the different three-phase voltage disequilibriums of three phase supply power source loads; between user's zero line N1 and safety line E1, voltage may increase; the Current rise that is connected across resistance R 1 between zero line N1 and safety line E1 is during to a certain numerical value; zero line N1 surpasses live wire L1 electric current and is also equivalent to electric leakage; user's earth leakage protective can trip immediately, effectively protects user's power consumption equipment to exempt from damage.
Fig. 2, Fig. 3 is single-phase three utmost point disjunctor connector assembly circuit theory diagrams of resistance step-down protection off zero and general-purpose self check, execution mode: single-phase three utmost point disjunctor connector assembly circuit of resistance step-down protection off zero and the self check of ground connection general-purpose are protection selector switch off zero and safe self check indicator light and test to be installed on single-phase three utmost point disjunctor connector assemblies An Button, the circuit structure of protection off zero is zero line N1 contact resistance R1 in single-phase three utmost point disjunctor connector assembly CHT1, resistance R 1 other end connects protection selector switch K1 off zero, the protection selector switch K1 other end off zero connects safety line E1, protection selector switch K1 off zero is equivalent to resistance R 1 while connecting and is connected across between zero line N1 and safety line E1, operation principle is that single-phase three utmost point disjunctor connector assembly CHT1 insert single-phase three pole sockets of user, when externally fed circuit occurs that zero line disconnects or rides on live wire, due to the different three-phase voltage disequilibriums of three phase supply power source loads, between user's zero line N1 and safety line E1, voltage may increase, the Current rise that is connected across resistance R 1 between zero line N1 and safety line E1 is during to a certain numerical value, zero line N1 surpasses live wire L1 electric current and is also equivalent to electric leakage, user's earth leakage protective can trip immediately, effectively protection user's power consumption equipment exempts from damage, between safety line E1 and live wire L1 and between safety ground E1 and zero line N1 and between live wire L1 and zero line N1, self check indicator light and test button are installed respectively, according to indicator light, bright whether position is correct separately with secretly judging safety line E1 and zero line N1 and live wire L1, by test button, further confirm again.If the correct position of bright explanation live wire L1 of indicator light SD3 while between indicator light SD2 and live wire L1 and zero line N1 between safety line E1 and live wire L1; if at this moment live wire L1 or zero line N1 have electric leakage user's earth leakage protective also can trip immediately, effectively protect the person and power consumption equipment safety.Embodiment is to see figures.1.and.2, in single-phase three utmost point disjunctor connector assembly CHT1, safety line E1 connects protection selector switch K1 off zero simultaneously, test button SB1, indicator light SD1 and indicator light SD2, indicator light SD1 contact resistance R2, protection selector switch K1 other end contact resistance R1 off zero, resistance R 1 other end is connected zero line N1 together with resistance R 2 other ends, indicator light SD2 other end contact resistance R3, test button SB1 other end contact resistance R4, resistance R 3 other ends are connected live wire L1 together with resistance R 4 other ends, zero line N1 connects indicator light SD3 and test button SB2, indicator light SD3 other end contact resistance R5, test button SB2 other end contact resistance R6, resistance R 5 other ends are connected live wire L1 together with resistance R 6 other ends, .Operation principle explanation: indicator light SD1, indicator light SD2 and indicator light SD3 are used light-emitting diode or neon lamp, resistance R 2 while using light-emitting diode, the resistance of resistance R 5 and resistance R 3 is selected 82K Ω left and right, can also increase a diode connects with light-emitting diode and improves reverse breakdown voltage protection light-emitting diode, resistance R 2 while using neon lamp, more than the resistance of resistance R 3 and resistance R 5 is selected 1M Ω, when single-phase three utmost point disjunctor connector assembly CHT1 insert in user's single-phase three pole sockets, if indicator light SD2 and indicator light SD3 be the correct position of bright explanation live wire L1 simultaneously, depress test button SB2 reactionless, test button SB1 is leak(age) test button, after depressing test button SB1, the tripping operation of user's earth leakage protective illustrates that user's single-phase three pole sockets are safe and reliable, otherwise having Miswire to wait to fix a breakdown uses again, the resistance of resistance R 1 is 300-500 Ω left and right, the resistance of resistance R 4 and resistance R 6 is 6.8K Ω left and right.
Claims (2)
1. single-phase three utmost point disjunctor connector assemblies of protection off zero and the self check of ground connection general-purpose, comprise single-phase three utmost point disjunctor connector assembly circuit of single-phase three utmost point disjunctor connector assemblies of protection off zero and the self check of ground connection general-purpose and the protection off zero of resistance voltage-dropping type and the self check of ground connection general-purpose, it is characterized in that single-phase three utmost point disjunctor connector assemblies of protection off zero and the self check of ground connection general-purpose are that single-phase tripolar plug and single-phase three pole sockets are connected as a single entity, the back of single-phase tripolar plug is single-phase three pole sockets, the protection off zero of resistance voltage-dropping type is installed in its inside and single-phase three utmost point disjunctor connector assembly circuit of ground connection general-purpose self check form protection off zero and single-phase three utmost point disjunctor connector assemblies of ground connection general-purpose self check, the circuit structure of protection off zero is current-limiting resistance of connecting with protection selector switch K off zero of cross-over connection between zero line N and safety line E in single-phase tripolar plug seat CH, protection selector switch K off zero opens protection off zero while connecting, the circuit structure of general-purpose self check is that self check indicator light SD and test button SB are installed respectively between safety line E and live wire L and between safety ground E and zero line N and between live wire L and zero line N, self check indicator light SD is in series with dropping resistor or decompression capacitor, test button SB is in series with current-limiting resistance or current limiting capacitance.
2. single-phase three utmost point disjunctor connector assemblies of protection off zero and the self check of ground connection general-purpose according to claim 1, comprise single-phase three utmost point disjunctor connector assembly circuit of the protection off zero of resistance voltage-dropping type and the self check of ground connection general-purpose, it is characterized in that installing protection selector switch off zero and safe self check indicator light and test An Button on protection off zero and single-phase three utmost point disjunctor plugs of ground connection general-purpose self check, the circuit structure of protection off zero is zero line N1 contact resistance R1 in single-phase three utmost point disjunctor connector assembly CHT1, resistance R 1 other end connects protection selector switch K1 off zero, the protection selector switch K1 other end off zero connects safety line E1, protection selector switch K1 off zero is equivalent to resistance R 1 while connecting and is connected across between zero line N1 and safety line E1, between safety line E1 and live wire L1 and between safety ground E1 and zero line N1 and between live wire L1 and zero line N1, self check indicator light and test button are installed respectively, particular circuit configurations is that in single-phase three utmost point disjunctor connector assembly CHT1, safety line E1 connects protection selector switch K1 off zero simultaneously, test button SB1, indicator light SD1 and indicator light SD2, indicator light SD1 contact resistance R2, protection selector switch K1 other end contact resistance R1 off zero, resistance R 1 other end is connected zero line N1 together with resistance R 2 other ends, indicator light SD2 other end contact resistance R3, test button SB1 other end contact resistance R4, resistance R 3 other ends are connected live wire L1 together with resistance R 4 other ends, zero line N1 connects indicator light SD3 and test button SB2, indicator light SD3 other end contact resistance R5, test button SB2 other end contact resistance R6, resistance R 5 other ends are connected live wire L1 together with resistance R 6 other ends, indicator light SD1, indicator light SD2 and indicator light SD3 are used light-emitting diode or neon lamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410350980.8A CN104103973B (en) | 2013-05-16 | 2013-05-16 | Zero protection and grounding general self-inspection single-phase three-pole integrated socket |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410350980.8A CN104103973B (en) | 2013-05-16 | 2013-05-16 | Zero protection and grounding general self-inspection single-phase three-pole integrated socket |
| CN201310202617.7A CN103296541B (en) | 2013-05-16 | 2013-05-16 | Protection off zero and ground connection general-purpose self-checking plug seat |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310202617.7A Division CN103296541B (en) | 2013-05-16 | 2013-05-16 | Protection off zero and ground connection general-purpose self-checking plug seat |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104103973A true CN104103973A (en) | 2014-10-15 |
| CN104103973B CN104103973B (en) | 2017-04-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410350980.8A Expired - Fee Related CN104103973B (en) | 2013-05-16 | 2013-05-16 | Zero protection and grounding general self-inspection single-phase three-pole integrated socket |
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| CN (1) | CN104103973B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0714492A (en) * | 1993-06-25 | 1995-01-17 | Matsushita Electric Works Ltd | Leakage indicating plug socket |
| CN2209394Y (en) * | 1994-12-21 | 1995-10-04 | 周民智 | Automatic leak protection terminal |
| CN2409659Y (en) * | 1999-10-28 | 2000-12-06 | 汤健 | Electrical safety experiment case for single-phase three-hole planar electrode socket and electric leakage protector |
| JP2006050692A (en) * | 2004-07-30 | 2006-02-16 | Kawamura Electric Inc | Power socket |
| CN101017947A (en) * | 2006-12-23 | 2007-08-15 | 钱加灿 | Full-function secure plug |
| CN201327931Y (en) * | 2008-12-17 | 2009-10-14 | 刘辉辉 | Plug provided with socket |
| CN203813142U (en) * | 2013-05-16 | 2014-09-03 | 介国安 | Faulted neutral line protection and grounding universal self-checking single-phase three-pole connected connector assembly |
-
2013
- 2013-05-16 CN CN201410350980.8A patent/CN104103973B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0714492A (en) * | 1993-06-25 | 1995-01-17 | Matsushita Electric Works Ltd | Leakage indicating plug socket |
| CN2209394Y (en) * | 1994-12-21 | 1995-10-04 | 周民智 | Automatic leak protection terminal |
| CN2409659Y (en) * | 1999-10-28 | 2000-12-06 | 汤健 | Electrical safety experiment case for single-phase three-hole planar electrode socket and electric leakage protector |
| JP2006050692A (en) * | 2004-07-30 | 2006-02-16 | Kawamura Electric Inc | Power socket |
| CN101017947A (en) * | 2006-12-23 | 2007-08-15 | 钱加灿 | Full-function secure plug |
| CN201327931Y (en) * | 2008-12-17 | 2009-10-14 | 刘辉辉 | Plug provided with socket |
| CN203813142U (en) * | 2013-05-16 | 2014-09-03 | 介国安 | Faulted neutral line protection and grounding universal self-checking single-phase three-pole connected connector assembly |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104103973B (en) | 2017-04-12 |
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Address after: 325200 Ruian City, south of the Yangtze River in the city of riverside Street standard factory building light industrial zone, the first floor of the ninth floor of the first floor of the Thai Electrical Appliance Co., Ltd., four Applicant after: Jie Guoan Address before: 325207 Zhejiang province Ruian City Feiyun Town Yun Zhou Industrial Zone Thai Electric Appliance Co. Ltd Applicant before: Jie Guoan |
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Effective date of registration: 20171024 Address after: 300222 3-10-605-607, Jin Fu Li, Tianjin, Hexi District Patentee after: Hu Lijuan Address before: 325200 Ruian City, south of the Yangtze River in the city of riverside Street standard factory building light industrial zone, the first floor of the ninth floor of the first floor of the Thai Electrical Appliance Co., Ltd., four Patentee before: Jie Guoan |
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