CN221668755U - Circuit breaker for low-voltage anti-island device - Google Patents
Circuit breaker for low-voltage anti-island device Download PDFInfo
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- CN221668755U CN221668755U CN202323072292.3U CN202323072292U CN221668755U CN 221668755 U CN221668755 U CN 221668755U CN 202323072292 U CN202323072292 U CN 202323072292U CN 221668755 U CN221668755 U CN 221668755U
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- circuit breaker
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- 239000002184 metal Substances 0.000 claims abstract description 29
- 229910052751 metal Inorganic materials 0.000 claims abstract description 29
- 238000004891 communication Methods 0.000 claims description 2
- 238000009434 installation Methods 0.000 abstract description 13
- 238000000034 method Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
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Abstract
The utility model discloses a circuit breaker for a low-voltage anti-island device, which comprises two detachably connected shells, an electromagnetic release and a closing part which are arranged on one of the shells, a handle for driving the closing part to move, and a metal seat arranged on the closing part, wherein the electromagnetic release is arranged on the shell; the electromagnetic release is detachably provided with a mounting seat, a first limiting seat, a second limiting seat and a third limiting seat which are arranged on the shell, and a mounting plate arranged on the mounting seat; the three limiting seats enclose a U-shaped space, a limiting plate arranged in the U-shaped space and a limiting groove arranged on the second limiting seat; through the first spacing seat, the second spacing seat, the third spacing seat, limiting plate and the spacing groove that set up, mount pad joint is in the established position, and after two casings were put together, accomplish the installation work to two casings through the bolt, in the whole installation, need not use the screw just can accomplish the installation work to electromagnetic release.
Description
Technical Field
The utility model belongs to the technical field of circuit breakers, and particularly relates to a circuit breaker for a low-voltage anti-island device.
Background
A circuit breaker is a common electrical device used to turn on and off the power supply in a circuit, and plays a protective role. The anti-island protection device belongs to an outdoor installation control protection cabinet, a voltage breaker is arranged in the anti-island device, and when the anti-island device is wrongly put into or fails in function, the damage of internal components of the anti-island device is prevented by tripping the low-voltage breaker, so that the disturbance resistor can be protected.
However, the existing circuit breaker protection device has some problems, in order to ensure that the electromagnetic release can be smoothly installed on the shell, an installation hole is pre-formed in the shell, then the electromagnetic release is installed at a preset position through a bolt or a screw, but the electromagnetic release is in a threaded connection mode, so that the phenomenon of sliding wires can be caused in the installation or disassembly process of the electromagnetic release, the internal threads in the installation hole are easily damaged, the whole shell is damaged, and the whole shell needs to be replaced.
Therefore, how to complete the installation or the disassembly of the electromagnetic release is a problem to be solved at present.
Disclosure of utility model
Aiming at the defects in the prior art, the utility model provides a circuit breaker for a low-voltage anti-islanding device. The electromagnetic release device aims to achieve the aim of completing the installation work of the electromagnetic release device without using screws.
The technical scheme adopted by the utility model for achieving the purpose is as follows:
A circuit breaker for a low voltage anti-islanding device, comprising:
The electromagnetic tripping device comprises two housings which are connected in a disassembling way, an electromagnetic tripping device and a switching-on part which are arranged on one of the housings, a handle used for driving the switching-on part to move and a metal seat arranged on the switching-on part;
The electromagnetic release is detachably provided with a mounting seat, a first limiting seat, a second limiting seat and a third limiting seat which are arranged on the shell, and a mounting plate arranged on the mounting seat;
The three limiting seats enclose a U-shaped space, a limiting plate arranged in the U-shaped space, a certain gap reserved between the limiting plate and the third limiting seat, and a limiting groove arranged on the second limiting seat;
The output end of the electromagnetic release penetrates through the metal seat;
the mounting plate is positioned in the gap and is inserted into the limiting groove;
The closing part is the prior art, and the improvement point of the present invention is not included here, and this part will not be described too much.
In a further embodiment, the mount comprises a bottom plate, and a side plate disposed on the bottom plate;
the side plates are arranged opposite to the mounting plate;
The side plate is abutted with the first limiting seat, and the side plate and the mounting plate are of an L-shaped structure.
In a further embodiment, the first limiting seat and the second limiting seat are oppositely arranged, and the third limiting seat is located between the first limiting seat and the second limiting seat.
In a further embodiment, a bottom plate is disposed between the limiting plate and the third limiting seat.
In a further embodiment, the metal seat is provided with an arched through hole and a rectangular through hole, and the two through holes are mutually communicated.
In a further embodiment, the output end of the electromagnetic release is provided with a truncated cone-shaped protruding end.
In a further embodiment, the bottom diameter of the protruding end is larger than the two through holes on the metal base.
In a further embodiment, the shell is further provided with two wiring terminals, a fixed contact connected with one of the wiring terminals, a movable contact connected with the metal seat, and an arc extinguishing chamber arranged on the shell;
When in communication, the contact area of the moving contact and the fixed contact is positioned in the arc extinguishing chamber.
In a further embodiment, the electromagnetic release is further provided with two braided wires, wherein one braided wire is connected with the metal seat.
In a further embodiment, the electromagnetic release of the device is further provided with two braided wires, wherein one braided wire is connected with the metal seat.
The utility model has the following beneficial effects and advantages:
The utility model relates to a circuit breaker for a low-voltage anti-island device, which is provided with a first limiting seat, a second limiting seat, a third limiting seat and a mounting plate arranged on the mounting seat in order to complete the mounting or dismounting work of an electromagnetic release; the three limiting seats enclose a U-shaped space, a limiting plate arranged in the U-shaped space, a certain gap reserved between the limiting plate and the third limiting seat, and a limiting groove arranged on the second limiting seat; the first limiting seat and the second limiting seat are oppositely arranged, the third limiting seat is located between the first limiting seat and the second limiting seat, and meanwhile, the limiting plate and the limiting groove are arranged in a matched mode, so that the mounting seat is clamped at a set position, then the two shells are combined together, mounting work of the two shells is completed through bolts, and then the mounting work of the electromagnetic release can be completed without using screws in the whole mounting process.
Drawings
The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:
FIG. 1 is a schematic illustration of the present utility model;
FIG. 2 is a schematic diagram of an electromagnetic trip of the present utility model;
FIG. 3 is a perspective view of an electromagnetic trip of the present utility model;
FIG. 4 is a schematic view of a metal base according to the present utility model.
The reference numerals in the drawings are as follows:
The device comprises a shell 1, a wiring terminal 2, an electromagnetic release 3, a closing part 4, a handle 5, a mounting plate 6, double-metal 7, an arc extinguishing chamber 8, a fixed contact 9, a metal seat 10, a first limiting seat 11, a second limiting seat 12, a third limiting seat 13, a mounting seat 14, a limiting plate 15 and a moving contact 16.
Detailed Description
In order that the above-recited objects, features and advantages of the present utility model will be more clearly understood, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings. It should be noted that, without conflict, the embodiments of the present utility model and features in the embodiments may be combined with each other.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, but the present utility model may be practiced in other ways than those described herein, and therefore the scope of the present utility model is not limited to the specific embodiments disclosed below.
Example 1
The utility model provides an embodiment, which is a circuit breaker for a low-voltage anti-islanding device, as shown in fig. 1, and fig. 1 is a schematic diagram of the utility model.
Through research and analysis of the applicant, the internal thread in the mounting hole is damaged, thereby causing damage to the whole housing, and the problem that the whole housing needs to be replaced is caused by: in order to ensure that the electromagnetic release can be smoothly installed on the shell, an installation hole is pre-formed in the shell, then the electromagnetic release is installed at a preset position through a bolt or a screw, but in a threaded connection mode, the phenomenon that the electromagnetic release slides in the installation or disassembly process can be caused, and then the internal threads in the installation hole are easily damaged.
In order to complete the installation or the disassembly of the electromagnetic release, the device is further provided with a first limiting seat, a second limiting seat, a third limiting seat and a mounting plate arranged on the mounting seat; the three limiting seats enclose a U-shaped space, a limiting plate arranged in the U-shaped space, a certain gap reserved between the limiting plate and the third limiting seat, and a limiting groove arranged on the second limiting seat; the first limiting seat and the second limiting seat are oppositely arranged, the third limiting seat is located between the first limiting seat and the second limiting seat, and meanwhile, the limiting plate and the limiting groove are arranged in a matched mode, so that the mounting seat is clamped at a set position, then the two shells are combined together, mounting work of the two shells is completed through bolts, and then the mounting work of the electromagnetic release can be completed without using screws in the whole mounting process. As shown in fig. 2 and 3, fig. 2 is a schematic diagram of an electromagnetic trip unit of the present utility model; fig. 3 is a perspective view of an electromagnetic trip unit of the present utility model.
A circuit breaker for a low voltage anti-islanding device, comprising: the device comprises a shell 1, a wiring terminal 2, an electromagnetic release 3, a closing part 4, a handle 5, a mounting plate 6, double-metal 7, an arc extinguishing chamber 8, a fixed contact 9, a metal seat 10, a first limiting seat 11, a second limiting seat 12, a third limiting seat 13, a mounting seat 14, a limiting plate 15 and a moving contact 16.
The device comprises two detachably connected shells 1, an electromagnetic release 3 and a closing part 4 which are arranged on one shell 1, a handle 5 for driving the closing part 4 to move, and a metal seat 10 arranged on the closing part 4; the electromagnetic release 3 is detachably provided with a mounting seat 14, a first limiting seat 11, a second limiting seat 12 and a third limiting seat 13 which are arranged on the shell 1, and a mounting plate 6 arranged on the mounting seat 14; the three limit seats enclose a U-shaped space, a limit plate 15 arranged in the U-shaped space, a certain gap reserved between the limit plate 15 and the third limit seat 13, and a limit groove arranged on the second limit seat 12; the output end of the electromagnetic release 3 penetrates through the metal seat 10; the mounting seat 14 is positioned in the gap, and the mounting plate 6 is inserted into the limit groove.
The mounting base 14 comprises a bottom plate and a side plate arranged on the bottom plate; the side plates are arranged opposite to the mounting plate 6; the side plate is abutted with the first limiting seat 11, and the side plate and the mounting plate 6 are of an L-shaped structure; the first limiting seat 11 and the second limiting seat 12 are oppositely arranged, and the third limiting seat 13 is positioned between the first limiting seat 11 and the second limiting seat 12; firstly, two ends of an electromagnetic release 3 are respectively placed on a side plate and a mounting plate 6, then the side plate is abutted with a first limiting seat 11, a bottom plate is positioned between a limiting plate 15 and a third limiting seat 13, then the mounting plate 6 is clamped in a limiting groove on a second limiting seat 12, then the other shell 1 is closed, then the mounting work of the two shells 1 is completed through bolts, and then the mounting work of the electromagnetic release 3 is completed, and in the whole mounting process, the mounting work of the electromagnetic release 3 can be completed without using screws.
As shown in fig. 4, fig. 4 is a schematic view of a metal base according to the present utility model. The metal seat 10 is provided with arched and rectangular through holes which are communicated with each other; the output end of the electromagnetic release 3 is provided with a truncated cone-shaped protruding end, and the bottom diameter of the protruding end is larger than the size of the two through holes; through the protruding end that sets up, and then in the motion process of electromagnetic release 3, ejector pin in the electromagnetic release 3 runs through two through-holes on the metal seat 10, and then when the circuit is unusual, protruding end on the ejector pin can stimulate metal seat 10 this moment, and then accomplish the brake release work to closing part 4, and then realize the disconnection of circuit, after accomplishing maintenance work, through rotating handle 5, pivoted handle 5 can drive closing part 4 and move, and then can realize the effect of closing a floodgate, and then make moving, the butt of stationary contact 9, accomplish the circular telegram work of circuit.
The shell 1 is also provided with two wiring terminals 2, a fixed contact 9 connected with one wiring terminal 2, a movable contact 16 connected with the metal seat 10 and an arc extinguishing chamber 8 arranged on the shell 1; when communicating, the contact area of the moving contact 16 and the fixed contact 9 is positioned in the arc extinguishing chamber 8.
Two braided wires are further arranged on the electromagnetic release 3, and one braided wire is connected with the metal seat 10.
The device further comprises a double-gold 7, wherein the double-gold 7 is connected with the other wiring terminal 2 and is connected with the other braided wire.
Example 2
The utility model also provides an embodiment, which is a circuit breaker for a low-voltage anti-island device, and the working principle of the circuit breaker is as follows when the circuit breaker is implemented in detail:
Firstly, two ends of an electromagnetic release 3 are respectively placed on a side plate and a mounting plate 6, then the side plate is abutted against a first limiting seat 11, a bottom plate is positioned between a limiting plate 15 and a third limiting seat 13, then the mounting plate 6 is clamped in a limiting groove on a second limiting seat 12, then the other shell 1 is combined, then the mounting work of the two shells 1 is completed through bolts, and further the mounting work of the electromagnetic release 3 is completed, and in the whole mounting process, the mounting work of the electromagnetic release 3 can be completed without using screws; in the motion process of the electromagnetic release 3, the ejector rod in the electromagnetic release 3 penetrates through two through holes in the metal seat 10, and then when a circuit is abnormal, the protruding end on the ejector rod can pull the metal seat 10, and then the opening work of the closing part 4 is completed, and then the circuit is disconnected, after the maintenance work is completed, the rotating handle 5 can drive the closing part 4 to move through rotating the handle 5, and then the closing effect can be realized, and then the movable contact 9 and the fixed contact 9 are abutted, so that the energizing work of the circuit is completed.
In the present utility model, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate an azimuth or a positional relationship based on that shown in the drawings, or that the inventive product is conventionally put in place when used, merely for convenience of description and simplification of description, and do not indicate or imply that the apparatus or elements referred to must have a specific azimuth, be configured and operated in a specific azimuth, and thus should not be construed as limiting the present utility model. Furthermore, the terms "horizontal," "vertical," "overhang," and the like do not denote a requirement that the component be absolutely horizontal or overhang, but rather may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the present utility model, the terms "first", "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and for example, "connected" may be either a fixed connection, a removable connection, or an integral connection. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
In the description of the present specification, the terms "one embodiment," "some embodiments," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Finally, it should be noted that: the above embodiments are only for illustrating the technical aspects of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the above embodiments, it should be understood by those of ordinary skill in the art that: modifications and equivalents may be made to the specific embodiments of the utility model without departing from the spirit and scope of the utility model, which is intended to be covered by the claims.
Claims (9)
1. A circuit breaker for a low voltage anti-islanding device, comprising:
The electromagnetic tripping device comprises two housings which are connected in a disassembling way, an electromagnetic tripping device and a switching-on part which are arranged on one of the housings, a handle used for driving the switching-on part to move and a metal seat arranged on the switching-on part;
The electromagnetic release is detachably provided with a mounting seat, a first limiting seat, a second limiting seat and a third limiting seat which are arranged on the shell, and a mounting plate arranged on the mounting seat;
The three limiting seats enclose a U-shaped space, a limiting plate arranged in the U-shaped space, a certain gap reserved between the limiting plate and the third limiting seat, and a limiting groove arranged on the second limiting seat;
The output end of the electromagnetic release penetrates through the metal seat;
The mounting plate is positioned in the gap, and the mounting plate is inserted into the limiting groove.
2. The circuit breaker for a low voltage anti-islanding device of claim 1, characterized in that: the mounting seat comprises a bottom plate and side plates arranged on the bottom plate;
the side plates are arranged opposite to the mounting plate;
The side plate is abutted with the first limiting seat, and the side plate and the mounting plate are of an L-shaped structure.
3. The circuit breaker for a low voltage anti-islanding device of claim 1, characterized in that: the first limiting seat and the second limiting seat are oppositely arranged, and the third limiting seat is positioned between the first limiting seat and the second limiting seat.
4. The circuit breaker for a low voltage anti-islanding device of claim 1, characterized in that: a bottom plate is arranged between the limiting plate and the third limiting seat.
5. The circuit breaker for a low voltage anti-islanding device of claim 1, characterized in that: the metal seat is provided with an arched through hole and a rectangular through hole, and the two through holes are mutually communicated.
6. The circuit breaker for a low voltage anti-islanding device of claim 1, characterized in that: the output end of the electromagnetic release is provided with a boss end of a round table type.
7. The circuit breaker for a low voltage anti-islanding device of claim 6, characterized in that: the bottom diameter of the protruding end is larger than the sizes of the two through holes on the metal seat.
8. The circuit breaker for a low voltage anti-islanding device of claim 1, characterized in that: the shell is also provided with two wiring terminals, a fixed contact connected with one of the wiring terminals, a movable contact connected with the metal seat and an arc extinguishing chamber arranged on the shell;
When in communication, the contact area of the moving contact and the fixed contact is positioned in the arc extinguishing chamber.
9. The circuit breaker for a low voltage anti-islanding device of claim 1, characterized in that: two braided wires are further arranged on the electromagnetic release, and one braided wire is connected with the metal seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323072292.3U CN221668755U (en) | 2023-11-15 | 2023-11-15 | Circuit breaker for low-voltage anti-island device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323072292.3U CN221668755U (en) | 2023-11-15 | 2023-11-15 | Circuit breaker for low-voltage anti-island device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221668755U true CN221668755U (en) | 2024-09-06 |
Family
ID=92570995
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323072292.3U Active CN221668755U (en) | 2023-11-15 | 2023-11-15 | Circuit breaker for low-voltage anti-island device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221668755U (en) |
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2023
- 2023-11-15 CN CN202323072292.3U patent/CN221668755U/en active Active
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