CN215644348U - Arc earth leakage protection circuit breaker - Google Patents
Arc earth leakage protection circuit breaker Download PDFInfo
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- CN215644348U CN215644348U CN202121772784.1U CN202121772784U CN215644348U CN 215644348 U CN215644348 U CN 215644348U CN 202121772784 U CN202121772784 U CN 202121772784U CN 215644348 U CN215644348 U CN 215644348U
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- protection device
- shell
- circuit breaker
- extinguishing
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- 238000010891 electric arc Methods 0.000 claims abstract description 8
- 238000012360 testing method Methods 0.000 claims abstract description 5
- 238000005507 spraying Methods 0.000 claims description 31
- 230000003068 static effect Effects 0.000 claims description 5
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 3
- 229910052710 silicon Inorganic materials 0.000 claims description 3
- 239000010703 silicon Substances 0.000 claims description 3
- 230000008033 biological extinction Effects 0.000 claims description 2
- 230000005389 magnetism Effects 0.000 description 6
- 238000009434 installation Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000001012 protector Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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Classifications
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- 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
- H01H83/20—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by excess current as well as by some other abnormal electrical condition
-
- 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
-
- 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
- H01H83/20—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by excess current as well as by some other abnormal electrical condition
- H01H83/22—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by excess current as well as by some other abnormal electrical condition the other condition being imbalance of two or more currents or voltages
-
- 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
- H01H83/20—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by excess current as well as by some other abnormal electrical condition
- H01H2083/201—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by excess current as well as by some other abnormal electrical condition the other abnormal electrical condition being an arc fault
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- Breakers (AREA)
- Emergency Protection Circuit Devices (AREA)
Abstract
The utility model provides an arc leakage protection circuit breaker, which comprises a shell, an actuating mechanism, a contact system, a protection mechanism, an arc extinguishing mechanism, a release and a test device, the protection mechanism comprises a short-circuit protection device, an overload protection device, an electric leakage protection device and a fault electric arc protection device which are arranged in the shell, the fault arc protection device comprises an inductor for detecting fault arc, a main control board electrically connected with the inductor and a power supply board electrically connected with the main control board, wherein the inductor is in an I shape, at least two of the connecting terminals are arranged, an input connecting terminal and an output connecting terminal are respectively arranged at the two ends of the shell, a residual current transformer is arranged on one side of the short-circuit protection device facing the output wiring terminal in the shell, and the residual current transformer is connected with the short-circuit protection device and the output wiring terminal through electric wires. The utility model has high assembly efficiency and high safety, can cut off the zero line and the live line and is convenient to install and connect.
Description
Technical Field
The utility model relates to the technical field of circuit breakers, in particular to an arc leakage protection circuit breaker.
Background
The circuit breaker is a switching device capable of closing, carrying, and opening/closing a current under a normal circuit condition and a current under an abnormal circuit condition within a prescribed time. The fault arc protector is an intelligent circuit protector which can detect and identify fault arcs and normal working arcs in a line. The main function is to prevent the fire hazard caused by fault arcs such as poor contact and poor insulation in the electric circuit.
According to chinese utility model patent CN202020089066.3, it discloses a multifunctional circuit breaker, including casing, actuating mechanism, protection mechanism, release and test device, protection mechanism is including establishing short-circuit protection device, overload protection device and earth leakage protection device in the casing, its characterized in that: protection mechanism is still including establishing the fault arc protection device in the casing, fault arc protection device including the inductor that is used for detecting fault arc, with inductor electric connection's main control board and with main control board electric connection's power strip, be equipped with the silicon controlled rectifier switch who is used for controlling the release to realize open circuit on the power strip, the inductor is "worker" style of calligraphy, and is equipped with two at least, the casing both ends are equipped with input binding post and output binding post, the termination has residual current transformer under the output binding post, residual current transformer passes through the electric wire and links to each other with short-circuit protection device, and the route winding of electric wire middle section through "8" style of calligraphy is on the inductor. The residual current transformer of current circuit breaker is located output binding post's lower extreme, and its outside need set up the apron and protects to lead to circuit breaker cost of manufacture high, the assembly is inconvenient, and this kind of electric arc protection circuit breaker also can not break off the zero line in addition, has certain potential safety hazard, and is not conform to the standard requirement in mainstream market.
SUMMERY OF THE UTILITY MODEL
In view of the above problems, an object of the present invention is to provide an arc leakage protection circuit breaker which has low cost and high assembly efficiency, can disconnect a zero line and a live line, and is convenient to install and connect.
Aiming at the problems, the following technical scheme is provided: an arc leakage protection circuit breaker comprises a shell, an actuating mechanism, a contact system, a protection mechanism, an arc extinguishing mechanism, a tripper and a test device, wherein the protection mechanism comprises a short circuit protection device, an overload protection device, an electric leakage protection device and a fault arc protection device, the short circuit protection device, the overload protection device and the electric leakage protection device are arranged in the shell, the fault arc protection device comprises an inductor, a main control board and a power panel, the inductor is used for detecting fault arcs, the main control board is electrically connected with the inductor, the power panel is electrically connected with the main control board, a silicon controlled switch used for controlling the tripper to realize circuit breaking is arranged on the power panel, the inductor is in an I shape and at least two types, an input connecting terminal and an output connecting terminal are respectively arranged at two ends of the shell, one side, facing the output connecting terminal, of the short circuit protection device in the shell is provided with a residual current transformer, the residual current transformer is connected with the short-circuit protection device and the output wiring terminal through wires; the contact system is provided with two groups of contact systems which are respectively positioned on two opposite sides in the shell, a conducting wire is arranged in the shell, the actuating mechanism controls the two groups of contact systems, each group of contact systems is provided with an independent moving contact and an independent static contact, one group of contact systems is positioned above the conducting wire, the other group of contact systems is positioned on one side of the conducting wire, and the two groups of contact systems respectively control the on and off of a live wire and a zero wire.
In the structure, the residual current transformer is arranged in the shell and positioned on one side of the short-circuit protection device, so that the short-circuit protection device can be connected more quickly, and the stroke from the residual current transformer to the short-circuit protection device and the output wiring terminal can be reduced, therefore, the assembly is convenient for workers, the arrangement of the protective cover can be saved, the assembly efficiency and convenience of the utility model are improved, and the manufacturing cost of the utility model is reduced. The actuating mechanism controls the respective moving contacts of the two groups of contact systems to be in contact with or separated from the fixed contacts, so that the live wire and the zero wire are simultaneously closed or disconnected, the reliability of power failure is ensured, and the safety of the utility model is improved.
The utility model is further provided that the middle section of the electric wire connecting the residual current transformer and the output connecting terminal is wound on the inductor through an 8-shaped route.
By adopting the structure, the coil in the short-circuit protection device can be protected when the circuit is short-circuited, and the stability of the electric wire can be improved, so that the stability of connection between the residual current transformer and the short-circuit protection device is improved, and the reliability of the utility model is improved.
The utility model is further provided that one end of the lead is electrically connected with one group of contact systems, the other end of the lead extends to the outside of the shell towards one side of the output wiring terminal, and the input wiring terminal is electrically connected with the other group of contact systems and is used for connecting a live wire.
By adopting the structure, the lead connecting end is extended to the outside of the shell and is used for connecting the zero line, so that the installation and connection of the utility model are facilitated, and the convenience of the utility model is improved.
The arc extinguishing mechanism further comprises a extinguishing shield positioned in the shell, a wire passing channel is arranged below the extinguishing shield in the shell, a wire outlet is arranged below the output wiring terminal on the outer side of the shell, and the outer end of the wire penetrates out of the wire outlet to the outer side of the shell through the wire passing channel.
By adopting the structure, the positioning and the installation of the wire can be facilitated, the wire can be limited, and the stability of the wire is improved, so that the convenience of the assembly of the utility model is improved, and the reliability of the utility model is improved.
The utility model is further provided that the wire is sleeved with a magnetism avoiding piece at a position corresponding to the contact system.
In the structure, the moving contact is controlled to be in contact with or separated from the fixed contact through the actuating mechanism, so that the live wire and the zero line are simultaneously closed or disconnected, and a contact system generates a magnetic field. The arc extinguishing system also comprises an arc guide body arranged on the upper side of the magnetism avoiding piece, and a magnetic field generated by the contact system is guided into the extinguishing shield through the arc guide body to extinguish arc; the magnetic field generated by the lead and the magnetic field generated by the contact system can be separated by the magnetism avoiding piece, so that the magnetic field generated by the lead is prevented from being disordered when the arc extinguishing system performs arc extinguishing, the stability of the magnetic field generated by the contact system is ensured, and the safety and the reliability of the arc extinguishing system are improved.
The utility model is further arranged in such a way that a first arc spraying opening is formed in the side wall of the shell below the output connecting terminal, an arc striking cavity is formed in one side, facing the output connecting terminal, of the extinguishing shield in the shell, an arc extinguishing plate is arranged in the arc striking cavity, and a plurality of arc extinguishing plates are arranged along the first arc spraying opening to form an arc guide channel communicated with the first arc spraying opening.
In the structure, the arc rushing from the arc extinguishing cover to the arc striking cavity is elongated through the arc guide channel, and the arc is weakened by blocking the arc extinguishing plate, so that the intensity of the arc sprayed from the first arc spraying opening is reduced, the safety of the circuit breaker is improved, and the circuit breaker can reach the use standard.
The utility model is further arranged in that the bottom of the shell is provided with a plurality of second arc spraying openings communicated with the arc striking cavity, a plurality of arc extinguishing channels criss-cross arranged with the arc guiding channels are formed if the arc extinguishing plates face the second arc spraying openings, and the arc extinguishing plates are provided with notches.
In the structure, the arc extinguishing channel is arranged to be matched with the arc guide channel to further disperse and elongate the arc, and the arc extinguishing plate is matched to block the arc to weaken the arc, so that the intensity of the arc sprayed out from the first arc spraying opening and the second arc spraying opening is further reduced, the safety of the circuit breaker is improved, and the circuit breaker can reach the use standard of the circuit breaker. The notches are arranged, so that electric arcs can be conveniently dredged among all the channels, the cutting is realized, the arc striking and the arc extinguishing are convenient, the electric arc intensity borne by the arc extinguishing plate can be reduced, the intensity of the arc extinguishing plate is improved, the path of the electric arcs sprayed out from the first arc spraying port and the second arc spraying port can be further increased, the intensity of the electric arcs is effectively weakened, and the reliability and the safety of the electric arc extinguishing device are improved.
The utility model is further provided that a plurality of second arc spraying openings are arranged in the length direction of the shell.
By adopting the structure, the electric arc sprayed out from the second arc spraying opening can be further weakened and can be close to zero, so that the reliability and the safety of the utility model are further improved.
The arc extinguishing mechanism is further provided with two groups corresponding to the two groups of contact systems, wherein one group is positioned above the lead, the other group is positioned on one side of the lead, and the volume of the extinguishing cover positioned on one side of the lead is larger than that of the extinguishing cover positioned above the lead.
By adopting the structure, the volume of the arc-extinguishing cover can be increased under the condition of not influencing the whole volume of the arc-extinguishing cover, so that the arc-extinguishing effect of the arc-extinguishing cover is improved, the reliability of the arc-extinguishing cover is improved, and the service life of the arc-extinguishing cover is prolonged.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural diagram of the arc fault protection device of the present invention.
Fig. 3 is a schematic structural view of the inside of the case of the present invention.
Fig. 4 is a schematic structural view of the other side inside the housing in the present invention.
The reference numbers in the figures mean: 1-a shell; 2-an actuator; 3-a contact system; 4-an arc extinguishing mechanism; 5-short circuit protection device; 6-fault arc protection device; 61-an inductor; 62-a main control board; 63-power panel; 11-input connection terminal; 12-an output connection terminal; 13-residual current transformer; 31-moving contact; 32-fixed contact; 7-a wire; 41-extinguishing shield; 14-a wire-passing channel; 15-outlet port; 8-magnetism avoiding pieces; 16-a first arc spraying port; 17-arc striking chamber; 171-arc extinguishing plate; 172-arc chute; 18-a second arc spraying port; 181-arc extinction channel; 1711-notch.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the utility model but are not intended to limit the scope of the utility model.
It should be noted that all directional indicators (such as up, down, left, right, front, back, front, and back) in the embodiments of the present invention are only used to explain the relative position relationship between the components, the motion situation, and the like in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
As shown in fig. 1 to 4, the arc leakage protection circuit breaker includes a housing 1, an actuator 2, a contact system 3, a protection mechanism, an arc extinguishing mechanism 4, a release and a testing device, wherein the protection mechanism includes a short circuit protection device 5, an overload protection device and an electric leakage protection device which are arranged in the housing 1, the protection mechanism further includes a fault arc protection device 6 arranged in the housing 1, the fault arc protection device 6 includes an inductor 61 for detecting fault arc, a main control board 62 electrically connected with the inductor 61 and a power board 63 electrically connected with the main control board 62, a thyristor switch for controlling the release to realize circuit breaking is arranged on the power board 63, the inductor 61 is in an "i" shape and is provided with at least two, an input connection terminal 11 and an output connection terminal 12 are respectively arranged at two ends of the housing 1, a residual current transformer 13 is arranged on one side, facing the output connecting terminal 12, of the short-circuit protection device 5 in the shell 1, and the residual current transformer 13 is connected with the short-circuit protection device 5 and the output connecting terminal 12 through electric wires; the contact system 3 is provided with two groups of contact systems which are respectively positioned at two opposite sides in the shell, a lead 7 is arranged in the shell, the actuating mechanism 2 controls the two groups of contact systems, each group of contact systems is provided with an independent moving contact 31 and an independent static contact 32, one group of the contact systems is positioned above the lead 7, the other group of the contact systems is positioned at one side of the lead 7, and the two groups of contact systems 3 respectively control the on-off of a live wire and a zero wire.
In the structure, the residual current transformer 13 is arranged in the shell 1 and positioned on one side of the short-circuit protection device 5, so that the short-circuit protection device 5 can be connected more quickly, and the stroke from the residual current transformer 13 to the short-circuit protection device 5 and the output wiring terminal 12 can be reduced, therefore, the assembly of workers is facilitated, the arrangement of the protective cover can be saved, the assembly efficiency and convenience of the utility model are improved, and the manufacturing cost of the utility model is reduced. The moving contact 31 is controlled to be in contact with or separated from the static contact 32 by the actuating mechanism 2, so that the live wire and the zero wire are simultaneously closed or disconnected, the reliability of power failure is ensured, and the safety of the utility model is improved.
The utility model is further arranged that the middle section of the electric wire connecting the residual current transformer 13 and the output terminal 12 is wound on the inductor 61 through an 8-shaped route.
By adopting the structure, the coil in the short-circuit protection device 5 can be protected when the circuit is short-circuited, and the stability of the electric wire can be improved, so that the stability of connection between the residual current transformer 13 and the short-circuit protection device 5 is improved, and the reliability of the utility model is improved.
The utility model is further configured that one end of the lead 7 is electrically connected with one group of the contact systems 3, the other end of the lead extends to the outside of the shell 1 towards one side of the output wiring terminal 12, and the input wiring terminal 11 is electrically connected with the other group of the contact systems 3 and is used for connecting a live wire.
By adopting the structure, the connecting end of the lead 7 is extended to the outside of the shell 1 for connecting the zero line, so that the installation and the connection of the utility model are convenient, and the convenience of the utility model is improved.
The utility model is further arranged that the arc extinguishing mechanism 4 comprises a extinguishing shield 41 positioned in the shell 1, a wire passing channel 14 is arranged below the extinguishing shield 41 in the shell 1, a wire outlet 15 is arranged below the output wiring terminal 12 on the outer side of the shell 1, and the outer end of the lead 7 penetrates out of the wire outlet 15 to the outer side of the shell 1 through the wire passing channel 14.
By adopting the structure, the positioning and the installation of the lead 7 can be facilitated, the lead 7 can be limited, and the stability of the lead 7 is improved, so that the convenience of the assembly of the utility model is improved, and the reliability of the utility model is improved.
The utility model is further provided that the conductor 7 is provided with a magnetism avoiding piece 8 at the position corresponding to the contact system 3.
In the structure, the moving contact 31 is controlled to be in contact with or separated from the static contact 32 through the actuating mechanism 2, so that the live wire and the zero wire are simultaneously closed or disconnected, and the contact system 3 generates a magnetic field. The arc extinguishing system also comprises an arc guide body arranged on the upper side of the magnetism avoiding piece 8, and a magnetic field generated by the contact system 3 is guided into the extinguishing shield 41 through the arc guide body to extinguish arc; the magnetic field generated by the lead 7 and the magnetic field generated by the contact system 3 can be separated by the magnetism avoiding piece 8, so that the magnetic field generated by the lead 7 is prevented from being disordered when the arc extinguishing system performs arc extinguishing, the stability of the magnetic field generated by the contact system 3 is ensured, and the safety and the reliability of the utility model are improved.
The utility model is further arranged that a first arc spraying opening 16 is arranged on the side wall of the shell 1 and below the output wiring terminal 12, an arc leading cavity 17 is arranged on one side, facing the output wiring terminal 12, of the extinguishing shield 41 in the shell 1, an arc extinguishing plate 171 is arranged in the arc leading cavity 17, and a plurality of arc extinguishing plates 171 are arranged along the first arc spraying opening 16 to form an arc guiding channel 172 communicated with the first arc spraying opening 16.
In the structure, the arc rushing from the arc extinguishing chamber to the arc leading cavity 17 is elongated through the arc guiding channel 172, and is blocked by the arc extinguishing plate 171 to weaken the arc, so that the intensity of the arc sprayed from the first arc spraying opening 16 by the arc is reduced, the safety of the circuit breaker is improved, and the circuit breaker can meet the use standard.
The utility model is further arranged that the bottom of the shell 1 is provided with a plurality of second arc spraying openings 18 communicated with the arc striking cavity 17, if the arc extinguishing plates 171 are arranged towards the second arc spraying openings 18, a plurality of arc extinguishing channels 181 criss-cross arranged with the arc guiding channels 172 are formed, and the arc extinguishing plates 171 are provided with notches 1711.
In the structure, the arc extinguishing passage 181 is arranged to be matched with the arc guiding passage 172 to further disperse and elongate the arc, and the arc extinguishing plate 171 is matched to block the arc to weaken the arc, so that the intensity of the arc sprayed out from the first arc spraying opening 16 and the second arc spraying opening 18 is further reduced, the safety of the circuit breaker is improved, and the circuit breaker can reach the use standard of the circuit breaker. The notch 1711 is arranged, so that dredging among all channels can be facilitated, electric arcs can be cut, arc striking and arc extinguishing are facilitated, the intensity of the electric arcs borne by the arc extinguishing plate 171 can be reduced, the intensity of the arc extinguishing plate 171 is improved, paths of the electric arcs sprayed out from the first arc spraying opening 16 and the second arc spraying opening 18 can be further increased, the intensity of the electric arcs is effectively weakened, and the reliability and the safety of the electric arc extinguishing device are improved.
The utility model is further provided that a plurality of second arc spraying openings 18 are arranged in the length direction of the shell 1.
With the above structure, the electric arc sprayed from the second arc spraying port 18 can be further weakened and can be nearly absent, thereby further improving the reliability and safety of the utility model.
The utility model further provides that the arc extinguishing mechanism 4 is correspondingly provided with two groups relative to the two groups of contact systems 3, one group is positioned above the lead 7, the other group is positioned at one side of the lead 7, and the volume of the extinguishing cover 41 positioned at one side of the lead 7 is larger than that of the extinguishing cover 41 positioned above the lead 7.
By adopting the structure, the whole body of the utility model is controlled by the main control board 62, so that the arrangement of circuit boards can be reduced, and the space inside the shell 1 is enlarged, therefore, the volume of the arc-extinguishing cover can be increased under the condition of not influencing the whole volume of the utility model, the arc-extinguishing effect of the arc-extinguishing cover is improved, and the reliability and the service life of the utility model are improved.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and those modifications and variations assumed in the above are also considered to be within the protective scope of the present invention.
Claims (9)
1. The utility model provides an electric arc earth leakage protection circuit breaker, includes casing, actuating mechanism, contact system, protection mechanism, arc extinguishing mechanism, release and test device, protection mechanism is including establishing short-circuit protection device, overload protection device, earth leakage protection device in the casing and establishing the fault arc protection device in the casing, fault arc protection device is including the inductor that is used for detecting fault arc, with inductor electric connection's main control board and with main control board electric connection's power strip, be equipped with the silicon controlled switch who is used for controlling the release to realize open circuit on the power strip, the inductor is "worker" style of calligraphy, and is equipped with two at least, the casing both ends are equipped with input binding post and output binding post respectively, its characterized in that: a residual current transformer is arranged on one side, facing the output wiring terminal, of the short-circuit protection device in the shell, and the residual current transformer is connected with the short-circuit protection device and the output wiring terminal through electric wires; the contact system is provided with two groups of contact systems which are respectively positioned on two opposite sides in the shell, a conducting wire is arranged in the shell, the actuating mechanism controls the two groups of contact systems, each group of contact systems is provided with an independent moving contact and an independent static contact, one group of contact systems is positioned above the conducting wire, the other group of contact systems is positioned on one side of the conducting wire, and the two groups of contact systems respectively control the on and off of a live wire and a zero wire.
2. An arc leakage protection circuit breaker according to claim 1, characterized in that: and the middle section of an electric wire connected with the residual current transformer and the output wiring terminal is wound on the inductor through an 8-shaped route.
3. An arc leakage protection circuit breaker according to claim 1, characterized in that: one end of the lead is electrically connected with one group of contact systems, the other end of the lead extends to the outside of the shell towards one side of the output wiring terminal, and the input wiring terminal is electrically connected with the other group of contact systems and used for connecting a live wire.
4. An arc leakage protection circuit breaker according to claim 3, characterized in that: the arc extinguishing mechanism is including being located the arc-extinguishing cover of casing, it is equipped with wire passing channel to be located the arc-extinguishing cover below in the casing, the casing outside is located output binding post below and is equipped with the outlet, the outlet is worn out to the casing outside through wire passing channel to the wire outer end.
5. An arc leakage protection circuit breaker according to claim 4, characterized in that: and the magnetic shielding piece is sleeved on the position of the lead corresponding to the contact system.
6. An arc leakage protection circuit breaker according to claim 4, characterized in that: the improved arc extinguishing device is characterized in that a first arc spraying opening is formed in the side wall of the shell and located below the output wiring terminal, an arc striking cavity is formed in one side, facing the output wiring terminal, of the arc extinguishing cover in the shell, an arc extinguishing plate is arranged in the arc striking cavity, and a plurality of arc extinguishing plates are arranged along the first arc spraying opening to form an arc guide channel communicated with the first arc spraying opening.
7. An arc leakage protection circuit breaker according to claim 6, characterized in that: the second that is linked together with the striking chamber is seted up to the casing bottom spouts the arc mouth, if the arc extinguishing plate spouts the arc mouth towards the second and is provided with a plurality of, forms and leads a plurality of arc extinction passageway that the arc passageway vertically and horizontally staggered set up, set up jaggedly on the arc extinguishing plate.
8. An arc leakage protection circuit breaker according to claim 7, characterized in that: the second arc spraying openings are provided with a plurality of second arc spraying openings relative to the length direction of the shell.
9. An arc leakage protection circuit breaker according to claim 3, characterized in that: the arc extinguishing mechanism is correspondingly provided with two groups corresponding to the two groups of contact systems, one group is positioned above the lead, the other group is positioned on one side of the lead, and the volume of the arc extinguishing cover positioned on one side of the lead is larger than that of the arc extinguishing cover positioned above the lead.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121772784.1U CN215644348U (en) | 2021-07-30 | 2021-07-30 | Arc earth leakage protection circuit breaker |
| AU2021221463A AU2021221463B2 (en) | 2021-07-30 | 2021-08-24 | An arc earth leakage protection circuit breaker |
| GB2205258.3A GB2609527A (en) | 2021-07-30 | 2022-04-11 | An arc earth leakage protection circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121772784.1U CN215644348U (en) | 2021-07-30 | 2021-07-30 | Arc earth leakage protection circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215644348U true CN215644348U (en) | 2022-01-25 |
Family
ID=79894143
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121772784.1U Active CN215644348U (en) | 2021-07-30 | 2021-07-30 | Arc earth leakage protection circuit breaker |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN215644348U (en) |
| AU (1) | AU2021221463B2 (en) |
| GB (1) | GB2609527A (en) |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203085464U (en) * | 2013-01-17 | 2013-07-24 | 温州大学瓯江学院 | Small breaking electricity leakage circuit breaker |
| CN211208376U (en) * | 2020-01-15 | 2020-08-07 | 乐清市智顺电气有限公司 | Multifunctional circuit breaker |
-
2021
- 2021-07-30 CN CN202121772784.1U patent/CN215644348U/en active Active
- 2021-08-24 AU AU2021221463A patent/AU2021221463B2/en active Active
-
2022
- 2022-04-11 GB GB2205258.3A patent/GB2609527A/en active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| AU2021221463B2 (en) | 2023-07-13 |
| GB202205258D0 (en) | 2022-05-25 |
| GB2609527A (en) | 2023-02-08 |
| AU2021221463A1 (en) | 2023-02-16 |
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