CN116525380A - Forced arc isolation device and circuit breaker - Google Patents
Forced arc isolation device and circuit breaker Download PDFInfo
- Publication number
- CN116525380A CN116525380A CN202210082623.2A CN202210082623A CN116525380A CN 116525380 A CN116525380 A CN 116525380A CN 202210082623 A CN202210082623 A CN 202210082623A CN 116525380 A CN116525380 A CN 116525380A
- Authority
- CN
- China
- Prior art keywords
- arc
- contact
- arc isolation
- piece
- forced
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000002955 isolation Methods 0.000 title claims abstract description 120
- 230000007246 mechanism Effects 0.000 claims abstract description 36
- 230000007704 transition Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 2
- 230000005611 electricity Effects 0.000 abstract description 2
- 230000009471 action Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010891 electric arc Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H73/00—Protective overload circuit-breaking switches in which excess current opens the contacts by automatic release of mechanical energy stored by previous operation of a hand reset mechanism
- H01H73/02—Details
- H01H73/18—Means for extinguishing or suppressing arc
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/30—Means for extinguishing or preventing arc between current-carrying parts
- H01H9/34—Stationary parts for restricting or subdividing the arc, e.g. barrier plate
Abstract
The invention relates to the field of low voltage electricity, in particular to a forced arc isolation device which is applied to a circuit breaker and comprises an arc isolation piece arranged on a shell of the circuit breaker in a sliding manner, wherein the arc isolation piece comprises an arc isolation end; when the moving contact and the fixed contact of the circuit breaker are disconnected, the arc isolation piece is driven by an operating mechanism or a moving contact assembly of the circuit breaker to slide, so that the arc isolation end moves between the moving contact and the fixed contact; when the movable contact and the fixed contact are closed, the arc isolation piece is driven by the operating mechanism or the movable contact component to slide, so that the arc isolation end moves out from between the movable contact and the fixed contact; the moving contact assembly comprises the moving contact; the forced arc isolation device is simple in structure, and can isolate direct current arc and influence breaking and closing of the moving contact and the fixed contact. The invention also provides a circuit breaker comprising the forced arc isolation device, and the circuit breaker has good breaking capacity and arc extinguishing capacity.
Description
Technical Field
The invention relates to the field of low-voltage electricity, in particular to a forced arc isolation device and a circuit breaker comprising the forced arc isolation device.
Background
In the existing circuit breaker, particularly in the direct current field, the electric arc cannot be cut off when a product is disconnected, and in the electric life test process, the circuit breaker is easy to fail due to continuous arcing when the product is disconnected; it is therefore desirable to design a forced arc isolation device for use in a circuit breaker to effectively cut off an arc.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a forced arc isolation device which has a simple structure and can isolate direct current arc and influence the breaking and closing of a moving contact and a fixed contact; the circuit breaker further comprises the forced arc isolation device, and the breaking capacity and the arc extinguishing capacity of the circuit breaker are good.
In order to achieve the above purpose, the invention adopts the following technical scheme:
a forced arc isolation device is applied to a circuit breaker; the forced arc isolation device comprises an arc isolation piece which is arranged on a shell of the circuit breaker in a sliding manner, and the arc isolation piece comprises an arc isolation end; when the moving contact and the fixed contact of the circuit breaker are disconnected, the arc isolation piece is driven by an operating mechanism or a moving contact assembly of the circuit breaker to slide, so that the arc isolation end moves between the moving contact and the fixed contact; when the movable contact and the fixed contact are closed, the arc isolation piece is driven by the operating mechanism or the movable contact component to slide, so that the arc isolation end moves out from between the movable contact and the fixed contact; the moving contact assembly comprises the moving contact.
Preferably, the forced arc isolation device further comprises a guide rail structure arranged on the shell, and the arc isolation piece is arranged on the guide rail structure in a sliding manner.
Preferably, the guide rail structure comprises a guide rail groove, and the arc-isolating piece comprises a sliding part which is arranged in the guide rail groove in a sliding way.
Preferably, the moving contact assembly comprises a contact support connected with the operating mechanism in a driving way and the moving contact arranged on the contact support, and when the moving contact and the fixed contact are disconnected or closed, the arc separation piece is driven by the contact support to slide.
Preferably, the forced arc isolation device further comprises a driving groove arranged on the contact support, the arc isolation piece further comprises a driven shaft, the driven shaft is inserted into the driving groove in a sliding mode, and the driving groove is obliquely arranged relative to the sliding direction of the arc isolation piece.
Preferably, the driving groove is an arc groove, a straight groove or an involute groove.
Preferably, the forced arc isolation device further comprises a guide rail structure arranged on the shell, the arc isolation piece is arranged on the guide rail structure in a sliding mode, the arc isolation piece comprises a sliding part arranged in the guide rail groove in a sliding mode, and the arc isolation end and the driven shaft are connected with two ends of the sliding part of the arc isolation piece respectively.
Preferably, the arc-isolating end is of a flat plate structure.
Preferably, the guide rail groove is a straight groove, the arc isolation end and the sliding part are of flat plate structures, the arc isolation end is connected with the sliding part of the arc isolation piece through the transition part, the arc isolation end and the sliding part are arranged in a staggered mode and are parallel to each other, and the axis of the driven shaft is parallel to the sliding part and the arc isolation end and parallel to the rotation axis of the moving contact assembly.
Preferably, the contact support comprises a support rotating end, a contact mounting part and an arc-isolating piece matching part, the contact support is connected with the operating mechanism through the support rotating end in a driving mode, the contact mounting part and the arc-isolating piece matching part are connected with one end of the support rotating end, the arc-isolating piece matching part is provided with a driving groove, the arc-isolating piece matching part is located at one side of one end of the contact mounting part connected with the support rotating end, a support gap is formed between the arc-isolating piece matching part and the other end of the contact mounting part, a contact gap corresponding to the support gap is formed on the moving contact, and when the moving contact and the fixed contact are closed, the arc-isolating end slides to the corresponding support gap.
A circuit breaker comprises the forced arc isolation device.
Preferably, the arc isolating piece of the forced arc isolating device is arranged between the operating mechanism and the short-circuit protection mechanism of the circuit breaker in a linear sliding manner, and between the moving contact and the fixed contact.
The forced arc isolation device disclosed by the invention has the advantages that the arc isolation end of the arc isolation piece moves between the moving contact and the fixed contact when the moving contact and the fixed contact are disconnected, and moves out from between the moving contact and the fixed contact when the moving contact and the fixed contact are closed, so that the electric arc between the moving contact and the fixed contact can be effectively isolated and extinguished, and the normal closing and disconnection of the moving contact and the fixed contact are not influenced; the arc isolation piece is arranged on the shell in a sliding way, has a simple structure, is convenient to install, and is beneficial to reducing the space required by the action of the arc isolation piece.
The circuit breaker comprises the forced arc isolation device, and has good breaking capacity and arc extinguishing capacity.
Drawings
Fig. 1 is a schematic view of a projection structure of a circuit breaker in a breaking state according to the present invention;
fig. 2 is a schematic view of a projection structure of the circuit breaker in the opening state, showing the cooperation relationship between the arc isolating member and the contact support and housing;
fig. 3 is a schematic view of a projection structure of the circuit breaker during closing of the present invention;
fig. 4 is a schematic view of a projection structure of the circuit breaker in a closed state according to the present invention;
fig. 5 is a schematic view of a projection structure of the circuit breaker in a closing state, showing a matching relationship between the arc isolation member and the contact support and the housing;
FIG. 6 is a schematic view of the explosion structure of the contact support, moving contact and arc separation member of the present invention;
FIG. 7 is a schematic view of the structure of the arc separator of the present invention;
FIG. 8 is a schematic view of the structure of the housing of the present invention;
fig. 9 is a schematic view of the structure of the contact support of the present invention.
Detailed Description
The following examples are given in connection with fig. 1-9 to further illustrate embodiments of the forced arc isolation device and circuit breaker of the present invention. The forced arc isolation device and the circuit breaker of the present invention are not limited to the description of the following embodiments.
As shown in fig. 1 and 4, the circuit breaker of the invention comprises a shell 4, an operating mechanism and a contact system, wherein the operating mechanism and the contact system are arranged in the shell 4, the contact system comprises a moving contact assembly and a fixed contact 5 which are matched for use, the moving contact assembly comprises a contact support 3 and a moving contact 2 arranged on the contact support 3, and the contact support 3 is in driving connection with the operating mechanism; the operating mechanism drives the contact support 3 to drive the moving contact 2 to swing so as to be closed or opened with the fixed contact 5, namely, the breaker is switched on or off.
It should be noted that the operating mechanism may be realized by the prior art.
As shown in fig. 1 and 4, is one embodiment of the operating mechanism: the operating mechanism is a traditional four-bar mechanism and comprises a handle and a rotating plate which are respectively arranged on the shell 4 in a rotating way, a first connecting rod, and a lock catch and a jump buckle which are respectively arranged on the rotating plate in a rotating way and are matched with each other in a locking way; the rotating plate is in driving connection with the contact support 3.
As shown in fig. 1 and 4, the circuit breaker of the present invention further includes a short-circuit protection mechanism and an overload protection mechanism; and when a short circuit or overload fault occurs, the short circuit protection mechanism or the overload protection mechanism drives the lock catch to rotate so as to release the lock catch matching with the jump buckle, and the operating mechanism is tripped.
As shown in fig. 1 to 5, the forced arc isolation device of the invention is applied to the circuit breaker, and comprises an arc isolation member 1 which is arranged on a shell 4 in a sliding manner, wherein the arc isolation member 1 comprises an arc isolation end 1 to 0; when the movable contact 2 and the fixed contact 5 are disconnected, namely when the breaker is disconnected, the arc isolation piece 1 is driven by an operating mechanism or a movable contact component to rotate, so that the arc isolation end 1-0 moves into the space between the movable contact 2 and the fixed contact 5; when the movable contact 2 and the fixed contact 5 are closed, namely when the circuit breaker is closed, the arc isolation piece 1 is driven by an operating mechanism or a movable contact component to slide, so that the arc isolation end 1-0 moves out from between the movable contact 2 and the fixed contact 5.
According to the forced arc isolation device, the arc isolation end of the arc isolation piece 1 moves between the moving contact 2 and the fixed contact 5 when the moving contact 2 and the fixed contact 5 are disconnected, and moves out of the moving contact 2 and the fixed contact 5 when the moving contact 2 and the fixed contact 5 are closed, so that an arc between the moving contact 2 and the fixed contact 5 can be effectively isolated and extinguished, and normal closing and disconnection of the moving contact 2 and the fixed contact 5 are not influenced; the arc isolation piece 1 is arranged on the shell 4 in a sliding manner, is simple in structure and convenient to install, and is beneficial to reducing the space required by the action of the arc isolation piece.
As shown in fig. 1-4, the forced arc isolation device further comprises a guide rail structure 4-0 arranged on the shell 4, and the arc isolation piece 1 is slidably arranged on the guide rail structure 4-0. Further, the guide rail structure 4-0 includes a pair of guide rail ribs 4-00 arranged at opposite intervals, a guide rail groove 4-01 is formed between the two guide rail ribs 4-00, and the arc-isolating member 1 includes a sliding part 1-1 slidably arranged in the guide rail groove 4-01.
As shown in fig. 1-4, the guide rail groove 4-01 is preferably a straight groove, and the sliding part 1-1 can slide linearly in the guide rail groove 4-0, that is, the arc-isolating member 1 is arranged on the casing 4 in a linear sliding manner, so that the structure is simple and reliable. The arc isolation piece 1 is arranged between the operating mechanism and the short-circuit protection mechanism in a linear sliding manner, and between the moving contact 2 and the fixed contact 5, through the arrangement of the linear groove structure, the arc isolation piece 1 can utilize the gap between the operating mechanism and the short-circuit protection mechanism and between the moving contact 2 and the fixed contact 5, and the arc isolation piece 1 can also adopt a flat plate structure with a simple structure.
As other embodiments, the guide rail groove 4-01 may be a circular arc groove. The concave guide rail groove 4-01 may be formed directly in the housing 4 without providing the guide rail rib 4-00.
As shown in fig. 1-6, when the moving contact 2 and the fixed contact 5 are disconnected or closed, that is, when the breaker is disconnected or closed, the arc isolating piece 1 is driven by the contact support 3 to slide, so that the arc isolating end 1-0 moves in or out between the moving contact 2 and the fixed contact 5.
As other embodiments, when the moving contact 2 and the fixed contact 5 are disconnected or closed, the arc isolating piece 1 may be driven by the moving contact 2 or a component (such as a rotating plate, a first connecting rod or a handle) of the operating mechanism, which changes position when the circuit breaker is disconnected or closed, so as to move the arc isolating end 1-0 between the moving contact 2 and the fixed contact 5.
As shown in fig. 2-3, 5-6 and 9, the forced arc isolation device further comprises a driving groove 3-0 arranged on the contact support 3, the arc isolation piece 1 further comprises a driven shaft 1-2, and the driven shaft 1-2 is slidably inserted into the driving groove 3-0; when the moving contact 2 and the fixed contact 5 are disconnected or closed, a pair of side walls of the driving groove 3-0 are respectively matched with the driven shaft 1-2 in a driving way to drive the arc isolation piece 1 to slide.
As shown in fig. 2-3, 5-6 and 9, the driving slot 3-0 is obliquely arranged relative to the sliding direction of the arc isolation member 1, two ends of the driving slot 3-0 are a first end of the driving slot and a second end of the driving slot, the first end of the driving slot is close to the fixed contact 5 and a gap between the moving contact 2 and the fixed contact 5, the second end of the driving slot is far away from the fixed contact 5 and the gap between the moving contact 2 and the fixed contact 5, and the second end of the driving slot is oblique to the direction where the moving contact 2 is located.
As shown in fig. 2-3, 5-6, 9, the driving groove 3-0 includes a first side wall 3-00 and a second side wall 3-01 disposed opposite to each other; when the movable contact 2 and the fixed contact 5 are disconnected, the first side wall 3-00 props against the driven shaft 1-2 to enable the driven shaft 1-2 to slide along the first side wall 3-00, and the driven shaft 1-2 drives the arc isolation piece 1 to slide on the shell 4 to enable the arc isolation end 1-0 to move between the movable contact 2 and the fixed contact 5; when the movable contact 2 and the fixed contact 5 are closed, the second side wall 3-01 props against the driven shaft 1-2 to enable the driven shaft 1-2 to slide along the second side wall 3-01, and the driven shaft 1-2 drives the arc isolation piece 1 to slide on the shell 4 to enable the arc isolation end 1-0 to move out from between the movable contact 2 and the fixed contact 5.
Specifically, as shown in fig. 1-5, when the moving contact 2 and the fixed contact 5 are disconnected, the driving groove 3-0 moves leftwards relative to the driven shaft 1-2, the first side wall 3-00 of the driving groove 3-0 presses the driven shaft 1-2 to enable the driven shaft to slide along the first side wall 3-00, and meanwhile, the driven shaft 1-2 drives the arc isolation member 1 to slide downwards on the shell 4; when the movable contact 2 and the fixed contact are closed, the driving groove 3-0 moves rightward relative to the driven shaft 1-2, the second side wall 3-01 of the driving groove 3-0 props against the driven shaft 1-2 to enable the driven shaft to slide along the second side wall 3-01, and meanwhile the driven shaft 1-2 drives the arc isolation piece 1 to slide upwards on the shell 4.
As shown in fig. 2-3, 5-6 and 9, the driving slot 3-0 is an arc slot, and the first side wall 3-00 and the second side wall 3-01 are two arc side walls arranged at opposite intervals.
As other embodiments, the driving groove 3-0 may be a straight groove, or an involute groove, or other irregularly shaped curved groove.
As shown in fig. 2-3, 5-6 and 9, the driving groove 3-0 is an arc groove, and the center of the arc groove and the rotation axis of the moving contact assembly are positioned at two sides of the arc groove.
As other real-time, when the driving groove 3-0 is an arc groove, the center of the circle and the rotation axis of the moving contact assembly can be positioned on the same side of the arc groove.
As shown in fig. 6-7, the arc-isolating end 1-0 is a flat plate structure.
As other embodiments, the arc-isolating end 1-0 may have an arc-shaped structure or a curved structure.
As shown in fig. 6 to 7, the sliding portion 1-1 has a flat plate-shaped structure.
In the arc-isolating member 1, as shown in fig. 6-7, an arc-isolating end 1-0 and a driven shaft 1-2 are respectively connected to both ends of a sliding portion 1-1.
As shown in fig. 6-7, the arc-isolating end 1-0 is connected with the sliding part 1-1 through the transition part 1-3, and the arc-isolating end 1-0 and the sliding part 1-1 are arranged in a staggered manner and parallel to each other.
As shown in fig. 6-7, a right-angle notch is arranged at one end of the sliding part 1-1 connected with the driven shaft 1-2, the driven shaft 1-2 is arranged in the right-angle notch, the driven shaft 1-2 is perpendicular to the direction of the arc isolation member 1, and the axis of the driven shaft 2 is parallel to the sliding part 1-1 and the arc isolation end 1-0 and parallel to the rotation axis of the moving contact assembly.
The arc isolation end 1-0 and the sliding part 1-1 are both in a flat plate structure, so that the material is saved, and the installation and activity space of the arc isolation piece 1 is reduced.
As shown in fig. 6 and 9, one embodiment of the contact support 3 is: the contact support 3 comprises a support rotating end, a contact mounting part 3b and an arc-isolating piece matching part 3a, the contact support 3 is in driving connection with the operating mechanism through the support rotating end, and the contact mounting part 3b and the arc-isolating piece matching part 3a are connected with one end of the support rotating end and are arranged at opposite intervals; the movable contact 2 is provided with a movable contact opening 2-1 for inserting the contact positioning column 3-1, and a contact gap corresponding to the support gap is arranged on the movable contact 2; the arc-isolating piece matching part 3a is provided with a driving groove 3-0. The arc-isolating piece 1 is arranged below the contact support 3 in a linear sliding manner and is positioned on the contact support 3 and a guide rail structure 4-0 bracket of the shell. When the switch is closed, the arc-isolating end 1-0 slides to the corresponding supporting notch, namely the contact notch, and when the switch is opened, the arc-isolating end 1-0 slides between the moving contact 2 and the fixed contact 5.
Further, the contact support 3 is arranged on the rotating plate of the operating mechanism through a support rotating end and is elastically connected with the rotating plate through a contact torsion spring, the contact torsion spring and the contact support 3 are coaxially arranged, and two ends of the contact torsion spring are respectively matched with the contact support 3 and the rotating plate.
The foregoing is a further detailed description of the invention in connection with the preferred embodiments, and it is not intended that the invention be limited to the specific embodiments described. It will be apparent to those skilled in the art that several simple deductions or substitutions may be made without departing from the spirit of the invention, and these should be considered to be within the scope of the invention.
Claims (10)
1. A forced arc isolation device is applied to a circuit breaker; the method is characterized in that: the forced arc isolation device comprises an arc isolation piece (1) which is arranged on a shell (4) of the circuit breaker in a sliding manner, wherein the arc isolation piece (1) comprises an arc isolation end (1-0); when the moving contact (2) and the fixed contact (5) of the circuit breaker are disconnected, the arc isolation piece (1) is driven by an operating mechanism or a moving contact assembly of the circuit breaker to slide, so that the arc isolation end (1-0) moves between the moving contact (2) and the fixed contact (5); when the movable contact (2) and the fixed contact (5) are closed, the arc isolation piece (1) is driven by an operating mechanism or a movable contact assembly to slide, so that the arc isolation end (1-0) moves out from between the movable contact (2) and the fixed contact (5); the moving contact assembly comprises the moving contact (2).
2. The forced arc isolation device of claim 1, wherein: the forced arc isolation device further comprises a guide rail structure (4-0) arranged on the shell (4), and the arc isolation piece (1) is arranged on the guide rail structure (4-0) in a sliding mode.
3. The forced arc isolation device of claim 2, wherein: the guide rail structure (4-0) comprises a guide rail groove (4-01), and the arc isolation piece (1) comprises a sliding part (1-1) which is arranged in the guide rail groove (4-01) in a sliding mode.
4. The forced arc isolation device of claim 1, wherein: the movable contact assembly comprises a contact support (3) and a movable contact (2), wherein the contact support (3) is in driving connection with an operating mechanism, and the movable contact (2) is installed on the contact support (3), and when the movable contact (2) and the fixed contact (5) are disconnected or closed, the arc isolation piece (1) is driven by the contact support (3) to slide.
5. The forced arc isolation device according to claim 4, wherein: the forced arc isolation device further comprises a driving groove (3-0) arranged on the contact support (3), the arc isolation piece (1) further comprises a driven shaft (1-2), the driven shaft (1-2) is inserted into the driving groove (3-0) in a sliding mode, and the driving groove (3-0) is obliquely arranged relative to the sliding direction of the arc isolation piece (1).
6. The forced arc isolation device according to claim 5, wherein: the driving groove (3-0) is an arc groove, a straight groove or an involute groove.
7. The forced arc isolation device according to claim 5, wherein: the forced arc isolation device further comprises a guide rail structure (4-0) arranged on the shell (4), the arc isolation piece (1) is arranged on the guide rail structure (4-0) in a sliding mode, the arc isolation piece (1) comprises a sliding part (1-1) arranged in the guide rail groove (4-01) in a sliding mode, and the arc isolation end (1-0) and the driven shaft (1-2) are connected with two ends of the sliding part (1-1) of the arc isolation piece (1) respectively.
8. The forced arc isolation device of claim 1, wherein: the arc isolation end (1-0) is of a flat plate structure.
9. The forced arc isolation device according to claim 7, wherein: the guide rail groove (4-01) is a straight groove, the arc isolation end (1-0) and the sliding part (1-1) are of a flat plate structure, the arc isolation end (1-0) is connected with the sliding part (1-1) of the arc isolation piece (1) through the transition part (1-3), the arc isolation end (1-0) and the sliding part (1-1) are arranged in a staggered mode and are parallel to each other, and the axis of the driven shaft (2) is parallel to the sliding part (1-1) and the arc isolation end (1-0) and is parallel to the rotation axis of the moving contact assembly;
the contact support (3) comprises a support rotating end, a contact mounting part (3 b) and an arc-isolating piece matching part (3 a), the contact support (3) is connected with an operating mechanism through the support rotating end in a driving mode, the contact mounting part (3 b) and the arc-isolating piece matching part (3 a) are connected with one end of the support rotating end, the arc-isolating piece matching part (3 a) is provided with a driving groove (3-0), the arc-isolating piece matching part (3 a) is located on one side of one end, connected with the support rotating end, of the contact mounting part (3 b), a support notch is formed between the arc-isolating piece matching part (3 a) and the other end of the contact mounting part (3 b), a contact notch corresponding to the support notch is formed on the moving contact (2), and when the moving contact (2) and the fixed contact (5) are closed, the arc-isolating end (1-0) slides to the corresponding support notch.
10. A circuit breaker, characterized in that it comprises a forced arc-isolating device according to any one of claims 1-9;
the arc isolation piece (1) of the forced arc isolation device is arranged between an operating mechanism and a short-circuit protection mechanism of the circuit breaker in a linear sliding manner, and between the moving contact (2) and the fixed contact (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210082623.2A CN116525380A (en) | 2022-01-24 | 2022-01-24 | Forced arc isolation device and circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210082623.2A CN116525380A (en) | 2022-01-24 | 2022-01-24 | Forced arc isolation device and circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116525380A true CN116525380A (en) | 2023-08-01 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210082623.2A Pending CN116525380A (en) | 2022-01-24 | 2022-01-24 | Forced arc isolation device and circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116525380A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117524757A (en) * | 2024-01-05 | 2024-02-06 | 浙江正泰电器股份有限公司 | Switch contact and plug-in circuit breaker |
-
2022
- 2022-01-24 CN CN202210082623.2A patent/CN116525380A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117524757A (en) * | 2024-01-05 | 2024-02-06 | 浙江正泰电器股份有限公司 | Switch contact and plug-in circuit breaker |
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