CN203813141U - Capacitor step-down energy-saving faulted neutral line protection and grounding universal self-checking connector assembly - Google Patents
Capacitor step-down energy-saving faulted neutral line protection and grounding universal self-checking connector assembly Download PDFInfo
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- CN203813141U CN203813141U CN201420247633.8U CN201420247633U CN203813141U CN 203813141 U CN203813141 U CN 203813141U CN 201420247633 U CN201420247633 U CN 201420247633U CN 203813141 U CN203813141 U CN 203813141U
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Abstract
The utility model discloses a capacitor step-down energy-saving faulted neutral line protection and grounding universal self-checking connector assembly. The faulted neutral line protection is characterized in that a capacitor is connected between a neutral line and a ground line of a single-phase three-pole plug or a single-phase three-pole socket in a bridged manner; the capacitor is controlled by a selection switch; when the neutral line of the external power supply line is broken or is overlapped on the hot line, and the current of the capacitor connected between the neutral line and the ground line rises to a certain value, the trip-out of the user leakage protector can be carried out immediately, and therefore the user equipment can be effectively prevented from being damaged. The grounding universal self-checking connector assembly is characterized in that the single-phase three-pole plug or the single-phase three-pole socket is provided with the faulted neutral line protection selection switch, safety self-checking indicating lamps, and testing buttons; when an indicating lamp SD2 and an indicating lamp SD3 are turned on at the same time, the position of the hot line L1 is correct, otherwise the connection is wrong, and the connector assembly can be used only after the removal of the fault. The capacitor step-down energy-saving faulted neutral line protection and grounding universal self-checking connector assembly has advantages of simple circuit, low costs, convenient operation, and practical value.
Description
Technical field
The utility model relates to safe power supply, safety utilization of electric power, the ground connection of low-voltage power supply system and detects and the energy-saving protection off zero in protection off zero field, particularly capacitor step-down and ground connection general-purpose self-checking plug seat.
Background technology
There is phenomenon off zero in electric power system, particularly the zero line of residential quarter three-phase and four-line power supply breaks suddenly, when three-phase firewire load is serious uneven, will cause part family voltage to be elevated to suddenly to exceed 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; Current each urban and rural housing or industrial and mining enterprises are all used a large amount of single-phase tripolar plug seats, 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 loss of life or personal injury great misfortune, how to find to detect the potential safety hazard of power consumption equipment, lack at present simple and effective measure.For example the simplest 220 volts of single-phase three pole sockets, 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 purpose of this utility model is for above-mentioned defect, provides one to have protection off zero, meets safety requirements, easy and simple to handle, can detect the energy-saving protection off zero of capacitor step-down and the ground connection general-purpose self-checking plug seat that judge single-phase three pole socket security performances.
On the power distributor of single-phase three utmost point disjunctor connector assemblies or single-phase tripolar plug or single-phase three pole sockets or multiple single-phase three utmost point jacks, protection selector switch off zero and safe self-inspection indicator light and test button are installed, single-phase tripolar plug inserts single-phase three pole sockets of user, in the time that 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 N and safety line E1, voltage may increase, the Current rise that is connected across resistance R between zero line N and safety line E or electric capacity 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, when single-phase tripolar plug CHT2 inserts in user's single-phase three pole sockets, if indicator light D2 and indicator light D3 be the correct position of bright explanation live wire L2 simultaneously, depress test button B4 reactionless, after depressing test button B3, the tripping operation of user's earth leakage protective device 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 technical solution of the utility model is the energy-saving protection off zero of capacitor step-down and ground connection general-purpose self-checking plug seat, it is characterized in that capacitance decompression can economize on electricity, particular circuit configurations is the positive pole that in single-phase tripolar plug CHT2, safety line E2 connects diode D1 simultaneously, the positive pole of diode D2, LED 1 negative pole, LED 2 negative poles, protection selector switch K2 off zero and test button SB3, diode D1 negative pole connecting luminous diode LED1 positive pole and capacitor C1, the protection selector switch K2 other end off zero connects capacitor C2, the capacitor C1 other end is connected zero line N2 together with the capacitor C2 other end, diode D2 negative pole connecting luminous diode LED2 positive pole and capacitor C3, the test button SB3 other end connects capacitor C4, the capacitor C3 other end is connected live wire L2 together with the capacitor C4 other end, zero line N2 connects the positive pole of diode D3, LED 3 negative poles and test button SB4, diode D3 negative pole connecting luminous diode LED3 positive pole and capacitor C5, the test button SB4 other end connects capacitor C6, the capacitor C5 other end is connected live wire L2 together with the capacitor C6 other end, current related with by light-emitting diode and diode of the selection of condenser capacity, 2 to 3 milliamperes, the electric current of the bright state of light-emitting diode, use capacitor step-down can economize on electricity more than 90% than resistance step-down, although need to be greater than 30 milliamperes by the electric current of test button, due to conduction time just in a flash, consider that cost is still optional with resistance, when normal power supply, between safety line and zero line, there is no voltage or have atomic voltage, the capacitor that protection off zero connects also can be selected resistance.
The energy-saving protection off zero of described capacitor step-down and ground connection general-purpose self-checking plug seat, comprise the energy-saving protection off zero of neon bulb capacitor step-down and ground connection general-purpose self-checking plug seat, it is characterized in that the similar voltage test pencil neon tube of neon bulb, it is the induced electricity of microampere order, particular circuit configurations is that in single-phase tripolar plug CHT3, safety line E3 connects protection selector switch K3 off zero simultaneously, test button SB5, neon bulb FN1 and neon bulb FN2, the neon bulb FN1 other end connects capacitor C7, the protection selector switch K3 other end off zero connects capacitor C8, the capacitor C7 other end is connected zero line N3 together with the capacitor C8 other end, the neon bulb FN2 other end connects capacitor C9, the test button SB5 other end connects capacitor C10, the capacitor C9 other end is connected live wire L3 together with the capacitor C10 other end, zero line N3 joint test button SB6 and neon bulb FN3, the neon bulb FN3 other end connects capacitor C11, the test button SB6 other end connects capacitor C12, the capacitor C11 other end is connected live wire L3 together with the capacitor C12 other end, the bright state electric current of neon bulb only has tens microamperes, be similar to induced electricity, power consumption is also similar to zero.
The energy-saving protection off zero of capacitor step-down described in the utility model and ground connection general-purpose self-checking plug seat have protection off zero, there is phenomenon off zero in electric power system, particularly the zero line of residential quarter three-phase and four-line power supply breaks suddenly, when three-phase firewire load is serious uneven, will cause part family voltage to be elevated to suddenly to exceed 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; The single-phase three pole socket safety grounds with the correct connection to safety ground, the user such as safety ground and power consumption equipment to power supply, electricity consumption, the commercial house, residential quarters, independent resident family etc. detect, and guarantee safety utilization of electric power.The advantage that the utility model circuit is simple, cost is low, easy to operate, very with practical value.
Brief description of the drawings
The energy-saving protection off zero of Fig. 1 capacitor step-down and general-purpose self-checking plug seat circuit theory diagrams
The energy-saving protection off zero of Fig. 2 neon bulb capacitor step-down and general-purpose self-checking plug seat circuit theory diagrams
Single-phase three utmost point disjunctor connector assembly profile schematic diagrames of Fig. 3 protection off zero and the self-inspection of ground connection general-purpose
Fig. 4 protection off zero and ground connection general-purpose self-inspection power distributor one profile floor map
Fig. 5 protection off zero and ground connection general-purpose self-inspection power distributor two profile floor map
Fig. 6 protection off zero and ground connection general-purpose self-checking plug profile floor map
L2 live wire, N2 zero line, E2 safety line, CHT2 single-phase tripolar plug or single-phase three pole sockets, K2 protection selector switch off zero, SB3-SB4 test button, LED1-LED3 light-emitting diode, D1-D2 diode, C1-C6 capacitor in Fig. 1.
L3 live wire, N3 zero line, E3 safety line, CHT3 single-phase tripolar plug or single-phase three pole sockets, K3 protection selector switch off zero, SB5-SB6 test button, TN1-FN3 neon bulb, C7-C12 capacitor in Fig. 2.
L live wire, N zero line, E safety line, CH single-phase tripolar plug, K protection selector switch off zero, SB test button, SD indicator light in Fig. 3.
In Fig. 4, L live wire, N zero line, E safety line, CHT single-phase tripolar plug, K protection selector switch off zero, SB test button, SD indicator light, single-phase three pole sockets of CHZ, K insert Xiao's plate master switch.
In Fig. 5, L live wire, N zero line, E safety line, single-phase three pole sockets of CHZ0, K protection selector switch off zero, SB test button, SD indicator light, single-phase three pole sockets of CHZ, K insert Xiao's plate master switch.
L live wire, N zero line, E safety line, CH single-phase tripolar plug, K protection selector switch off zero, SB test button, SD indicator light in Fig. 6.
Embodiment
Fig. 1 is the energy-saving protection off zero of capacitor step-down and general-purpose self-checking plug seat circuit theory diagrams, the energy-saving protection off zero of capacitor step-down and ground connection general-purpose self-checking plug seat are that capacitance decompression can economize on electricity, operation principle is equivalent to capacitor C2 while being protection selector switch K2 connection off zero and is connected across between zero line N2 and safety line E2, single-phase tripolar plug CHT2 inserts single-phase three pole sockets of user, in the time that 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 N2 and safety line E2, voltage may increase, the Current rise that is connected across capacitor C2 between zero line N1 and safety line E1 is during to a certain numerical value, electric current on zero line N2 is greater than the electric current on live wire L2 (zero line N), user's earth leakage protective can trip immediately, effectively protection user's power consumption equipment exempts from damage, between safety line E2 and live wire L2 and between safety ground E2 and zero line N2 and between live wire L2 and zero line N2, self-inspection indicator light light-emitting diode and test button are installed respectively, bright and secretly judge safety line E2 and zero line N2 and live wire L2 whether position is correct separately according to indicator light, further confirm by test button again, when single-phase tripolar plug CHT2 inserts in user's single-phase three pole sockets, if LED 2 and LED 3 correct position of bright explanation live wire L2 simultaneously, depress test button SB4 reactionless, after depressing test button SB3, 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.Embodiment is the positive pole that in single-phase tripolar plug CHT2, safety line E2 connects diode D1 simultaneously, the positive pole of diode D2, LED 1 negative pole, LED 2 negative poles, protection selector switch K2 off zero and test button SB3, diode D1 negative pole connecting luminous diode LED1 positive pole and capacitor C1, the protection selector switch K2 other end off zero connects capacitor C2, the capacitor C1 other end is connected zero line N2 together with the capacitor C2 other end, diode D2 negative pole connecting luminous diode LED2 positive pole and capacitor C3, the test button SB3 other end connects capacitor C4, the capacitor C3 other end is connected live wire L2 together with the capacitor C4 other end, zero line N2 connects the positive pole of diode D3, LED 3 negative poles and test button SB4, diode D3 negative pole connecting luminous diode LED3 positive pole and capacitor C5, the test button SB4 other end connects capacitor C6, the capacitor C5 other end is connected live wire L2 together with the capacitor C6 other end, principle explanation: current related with by light-emitting diode and diode of the selection of condenser capacity, 2 to 3 milliamperes, the electric current of the bright state of light-emitting diode, use capacitor step-down can economize on electricity more than 90% than resistance step-down, although need to be greater than 30 milliamperes by the electric current of test button, due to conduction time just in a flash, consider that cost is still optional with resistance, when normal power supply, between safety line and zero line, there is no voltage or have atomic voltage, the capacitor that protection off zero connects also can be selected resistance.
Fig. 2 is the energy-saving protection off zero of neon bulb capacitor step-down and general-purpose self-checking plug seat circuit theory diagrams, the similar voltage test pencil neon tube of neon bulb in the energy-saving protection off zero of neon bulb capacitor step-down and ground connection general-purpose self-checking plug seat, it is the induced electricity of microampere order, particular circuit configurations is that in single-phase tripolar plug CHT3, safety line E3 connects protection selector switch K3 off zero simultaneously, test button SB5, neon bulb FN1 and neon bulb FN2, the neon bulb FN1 other end connects capacitor C7, the protection selector switch K3 other end off zero connects capacitor C8, the capacitor C7 other end is connected zero line N3 together with the capacitor C8 other end, the neon bulb FN2 other end connects capacitor C9, the test button SB5 other end connects capacitor C10, the capacitor C9 other end is connected live wire L3 together with the capacitor C10 other end, zero line N3 joint test button SB6 and neon bulb FN3, the neon bulb FN3 other end connects capacitor C11, the test button SB6 other end connects capacitor C12, the capacitor C11 other end is connected live wire L3 together with the capacitor C12 other end, operation principle is identical with Fig. 1, the bright state electric current of neon bulb only has tens microamperes, be similar to induced electricity, power consumption is also similar to zero.
Fig. 3 is single-phase three utmost point disjunctor connector assembly profile schematic diagrames of protection off zero and the self-inspection of ground connection general-purpose, single-phase three utmost point disjunctor connector assemblies in single-phase three utmost point disjunctor connector assemblies of protection off zero and the self-inspection 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, its inside is provided with the energy-saving protection off zero of capacitor step-down and ground connection general-purpose self-checking plug seat circuit or the energy-saving protection off zero of neon bulb capacitor step-down and ground connection general-purpose self-checking plug seat circuit, the circuit structure of protection off zero is 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, a limiting capacitor of protection selector switch K series connection off zero, protection selector switch K off zero opens protection off zero while connection, general-purpose self checking structure is that self-inspection 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-inspection 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, bright and secretly judge safety line E1 and zero line N1 and live wire L1 whether position is correct separately according to indicator light SD, further confirm by test button SB again, when single-phase tripolar plug seat CH inserts after user's single-phase three pole sockets, if the indicator light SD3 correct position of bright explanation live wire L1 simultaneously 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.
Fig. 4, Fig. 5 is protection off zero and ground connection general-purpose self-inspection power distributor profile floor map, protection off zero and ground connection general-purpose self-inspection power distributor are in single-phase three extremely insert the single-phase tripolar plug of Xiao's plates or protection selector switch K off zero and indicator light SD and test button SB be installed on first single-phase three pole sockets, its inside is provided with the protection off zero of resistance voltage-dropping type and ground connection general-purpose self-checking plug seat circuit or the energy-saving protection off zero of capacitor step-down and ground connection general-purpose self-checking plug seat circuit or the energy-saving protection off zero of neon bulb capacitor step-down and ground connection general-purpose self-checking plug seat circuit, form protection off zero and ground connection general-purpose self-inspection power distributor, on it, be provided with and insert Xiao's plate master switch K0, when single-phase tripolar plug CH inserts after user's single-phase three pole sockets, if the indicator light SD3 correct position of bright explanation live wire L1 simultaneously 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.
Fig. 6 is protection off zero and ground connection general-purpose self-checking plug profile floor map.
Claims (2)
1. the energy-saving protection off zero of capacitor step-down and ground connection general-purpose self-checking plug seat, it is characterized in that safety line E2 in single-phase tripolar plug CHT2 connects the positive pole of diode D1 simultaneously, the positive pole of diode D2, LED 1 negative pole, LED 2 negative poles, protection selector switch K2 off zero and test button SB3, diode D1 negative pole connecting luminous diode LED1 positive pole and capacitor C1, the protection selector switch K2 other end off zero connects capacitor C2, the capacitor C1 other end is connected zero line N2 together with the capacitor C2 other end, diode D2 negative pole connecting luminous diode LED2 positive pole and capacitor C3, the test button SB3 other end connects capacitor C4, the capacitor C3 other end is connected live wire L2 together with the capacitor C4 other end, zero line N2 connects the positive pole of diode D3, LED 3 negative poles and test button SB4, diode D3 negative pole connecting luminous diode LED3 positive pole and capacitor C5, the test button SB4 other end connects capacitor C6, the capacitor C5 other end is connected live wire L2 together with the capacitor C6 other end.
2. the energy-saving protection off zero of capacitor step-down and ground connection general-purpose self-checking plug seat described in, comprise the energy-saving protection off zero of neon bulb capacitor step-down and ground connection general-purpose self-checking plug seat, it is characterized in that the energy-saving protection off zero of neon bulb capacitor step-down and ground connection general-purpose self-checking plug seat are the similar voltage test pencil neon tubes of neon bulb, it is the induced electricity of microampere order, particular circuit configurations is that in single-phase tripolar plug CHT3, safety line E3 connects protection selector switch K3 off zero simultaneously, test button SB5, neon bulb FN1 and neon bulb FN2, the neon bulb FN1 other end connects capacitor C7, the protection selector switch K3 other end off zero connects capacitor C8, the capacitor C7 other end is connected zero line N3 together with the capacitor C8 other end, the neon bulb FN2 other end connects capacitor C9, the test button SB5 other end connects capacitor C10, the capacitor C9 other end is connected live wire L3 together with the capacitor C10 other end, zero line N3 joint test button SB6 and neon bulb FN3, the neon bulb FN3 other end connects capacitor C11, the test button SB6 other end connects capacitor C12, the capacitor C11 other end is connected live wire L3 together with the capacitor C12 other end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420247633.8U CN203813141U (en) | 2013-05-16 | 2013-05-16 | Capacitor step-down energy-saving faulted neutral line protection and grounding universal self-checking connector assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420247633.8U CN203813141U (en) | 2013-05-16 | 2013-05-16 | Capacitor step-down energy-saving faulted neutral line protection and grounding universal self-checking connector assembly |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320288849.4U Division CN203760767U (en) | 2013-05-16 | 2013-05-16 | Grounding all-purpose self-checking plug head seat having null-line disconnection protection function |
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| CN203813141U true CN203813141U (en) | 2014-09-03 |
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| CN201420247633.8U Expired - Lifetime CN203813141U (en) | 2013-05-16 | 2013-05-16 | Capacitor step-down energy-saving faulted neutral line protection and grounding universal self-checking connector assembly |
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| CN (1) | CN203813141U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104158030A (en) * | 2013-05-16 | 2014-11-19 | 介国安 | Voltage reducing energy-saving type grounding all-purpose self-checking connector assembly capable of realizing zero wire breaking protection through capacitors |
| CN104502780A (en) * | 2014-12-27 | 2015-04-08 | 国网宁夏电力公司固原供电公司 | Indoor electric line fault detection device |
| CN109541367A (en) * | 2018-11-06 | 2019-03-29 | 广州市轻工高级技工学校 | A kind of socket secure specification diagnostic device |
-
2013
- 2013-05-16 CN CN201420247633.8U patent/CN203813141U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104158030A (en) * | 2013-05-16 | 2014-11-19 | 介国安 | Voltage reducing energy-saving type grounding all-purpose self-checking connector assembly capable of realizing zero wire breaking protection through capacitors |
| CN104158030B (en) * | 2013-05-16 | 2017-12-12 | 介国安 | The energy-saving protection off zero of capacitor step-down and ground connection general-purpose self-checking plug seat |
| CN104502780A (en) * | 2014-12-27 | 2015-04-08 | 国网宁夏电力公司固原供电公司 | Indoor electric line fault detection device |
| CN109541367A (en) * | 2018-11-06 | 2019-03-29 | 广州市轻工高级技工学校 | A kind of socket secure specification diagnostic device |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140903 Effective date of abandoning: 20171212 |
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| AV01 | Patent right actively abandoned |