CN220914139U - Interlocking device for electric circuit breaker - Google Patents
Interlocking device for electric circuit breaker Download PDFInfo
- Publication number
- CN220914139U CN220914139U CN202322628723.3U CN202322628723U CN220914139U CN 220914139 U CN220914139 U CN 220914139U CN 202322628723 U CN202322628723 U CN 202322628723U CN 220914139 U CN220914139 U CN 220914139U
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- CN
- China
- Prior art keywords
- mount pad
- interlocking
- electric brake
- circuit breaker
- pole
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- 230000001681 protective effect Effects 0.000 claims description 8
- 210000001503 joint Anatomy 0.000 claims description 4
- 230000003014 reinforcing effect Effects 0.000 claims description 4
- 238000005728 strengthening Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model relates to the field of electric circuit breakers, in particular to an interlocking device for an electric circuit breaker. The utility model provides an interlocking device for an electric circuit breaker, which can give an alarm prompt when an interlocking function fails. The utility model provides an interlock that electric circuit breaker used, includes mount pad, back fishplate bar, electric brake, interlocking mechanism and alarm mechanism, and two back fishplates are connected with about the rear portion upside of mount pad, all are connected with the electric brake on the back fishplate bar in a rotating way, and the front portion upside of mount pad is equipped with the interlocking mechanism that is used for carrying out the interlocking to the electric brake, and the front portion upside of mount pad is equipped with alarm mechanism. When the interlocking device is effective, the intermediate circuit cannot move downwards at the same time, so that the intermediate circuit cannot be completely docked with the original circuit, the alarm lamp cannot be turned on, when the interlocking device fails, the electric switch can be rotated downwards to be opened at the same time, the original circuit can be completely docked, and the alarm lamp is turned on, so that the warning and reminding functions are achieved.
Description
Technical Field
The utility model relates to the field of electric circuit breakers, in particular to an interlocking device for an electric circuit breaker.
Background
Circuit breakers are protective devices commonly used in electrical systems to cut off current in an electrical circuit to prevent electrical accidents. The interlocking principle of the circuit breaker is a special circuit breaker protection mechanism, and the interlocking control of the circuit breaker is realized through the interlocking device, so that the safe and stable operation of the power system is ensured.
The circuit breaker interlocking principle refers to that in an electric power system, by arranging interlocking devices, mutual restriction and mutual restriction relation are generated between circuit breakers in operation. However, after the interlocking device fails, people cannot find the interlocking device in time, so that the problem of power supply safety is easy to occur, and the existing interlocking device does not have failure reminding, so that people cannot know whether the interlocking device fails or not, and serious potential safety hazards exist.
Therefore, there is a need to design an interlock for an electrical circuit breaker that can alert when the interlock function fails.
Disclosure of utility model
The utility model provides an interlocking device for an electric circuit breaker, which can be used for alarming and reminding when an interlocking function fails, and aims to overcome the defects that the existing interlocking device does not have failure reminding, so that people cannot know whether the interlocking device fails or not and further has serious potential safety hazards.
The utility model provides an interlock that electric circuit breaker used, includes mount pad, back board, electric brake, interlocking mechanism and alarm mechanism, and two back boards about the rear portion upside of mount pad is connected with, all rotates on the back board to be connected with the electric brake, and the front portion upside of mount pad is equipped with the interlocking mechanism that is used for carrying out the interlocking to the electric brake, and the front portion upside of mount pad is equipped with the alarm mechanism that reminds when interlocking mechanism became invalid.
In a preferred embodiment of the utility model, the interlocking mechanism comprises an upper lantern ring, a lower connecting rod, a cross rod, a diagonal rod, a middle seat and a lock head, wherein the electric brake is connected with the upper lantern ring, the lower connecting rod is connected with the upper lantern ring in a sliding manner, the lower connecting rod is arranged in a telescopic manner, the lower side of the lower connecting rod is connected with the mounting seat, the middle seat is arranged in the front of the mounting seat, the diagonal rod is connected with the front part and the rear part of the middle seat in a sliding manner, the lower side of the upper telescopic rod of the lower connecting rod is connected with the cross rod, the diagonal rod at the front part is connected with the left cross rod in a sliding manner, the diagonal rod at the rear part is connected with the right cross rod in a sliding manner, and one side, far away from the cross rod, of the diagonal rod is connected with the lock head, and the lock head is in contact fit with the electric brake.
In a preferred embodiment of the utility model, the alarm mechanism comprises an upper surface, springs, a middle circuit, an original circuit and an alarm lamp, wherein the upper surface is connected to the front side of the back plate in a sliding manner, the upper part of the upper surface is contacted with the electric brake, the springs are connected between the upper surface and the back plate, the middle circuit is connected to the lower side of the upper surface, the original circuit is connected to the middle part of the middle seat and the left and right parts of the mounting seat, the original circuit is connected to the right side of the original circuit in a butt joint manner, and the alarm lamp is lightened by the whole butt joint of the original circuit.
In a preferred embodiment of the utility model, the back plate further comprises a reinforcing rib, and the reinforcing rib is connected between the back plates.
In a preferred embodiment of the utility model, the utility model further comprises a numerical plate, and the numerical plate is arranged on the front side of the right lower part of the back plate.
In a preferred embodiment of the utility model, the utility model further comprises a protective net, the protective net is arranged at the front part of the mounting seat, and the protective net is connected with the back connecting plate at the left side and the right side.
The utility model has the following advantages: when the interlocking device is effective, the intermediate circuit cannot move downwards at the same time, so that the intermediate circuit cannot be completely docked with the original circuit, the alarm lamp cannot be turned on, when the interlocking device fails, the electric switch can be rotated downwards to be opened at the same time, the original circuit can be completely docked, and the alarm lamp is turned on, so that the warning and reminding functions are achieved.
Drawings
Fig. 1 is a schematic perspective view of the present utility model.
Fig. 2 is a schematic structural view of the present utility model.
Fig. 3 is a schematic view of a partial perspective structure of the present utility model.
Fig. 4 is a schematic perspective view of the interlocking mechanism of the present utility model.
Fig. 5 is a schematic perspective view of the alarm mechanism of the present utility model.
The marks of the components in the drawings are as follows: 1. the installation seat, 2, the back connection board, 3, the strengthening rib, 4, the numerical value board, 5, the electric brake, 6, the protection network, 7, interlocking mechanism, 71, upper lantern ring, 72, lower connecting rod, 73, horizontal pole, 74, inclined rail pole, 75, middle seat, 76, tapered end, 8, alarm mechanism, 81, upper form, 82, spring, 83, middle circuit, 84, former circuit, 85, alarm lamp.
Detailed Description
The objects, technical solutions and advantages of the present utility model will become more apparent by the following detailed description of the present utility model with reference to the accompanying drawings. It should be understood that the description is only illustrative and is not intended to limit the scope of the utility model. In addition, in the following description, descriptions of well-known structures and techniques are omitted so as not to unnecessarily obscure the present utility model.
The utility model provides an interlock that electric circuit breaker used, as shown in fig. 1-5, including mount pad 1, back board 2, strengthening rib 3, numerical value board 4, electric brake 5, protection network 6, interlocking mechanism 7 and, two back board 2 are connected with to the rear portion upside of mount pad 1, be connected with strengthening rib 3 between the back board 2, numerical value board 4 is all installed to the front side of back board 2 right lower part, all rotate on the back board 2 and be connected with electric brake 5, protection network 6 is installed at the front portion of mount pad 1, protection network 6 is connected with back board 2 with the left and right sides, the front portion upside of mount pad 1 is equipped with the interlocking mechanism 7 that is used for carrying out the interlocking to electric brake 5, the front portion upside of mount pad 1 is equipped with the alarm mechanism 8 that reminds when interlocking mechanism 7 became invalid.
As shown in fig. 1 and 4, the interlocking mechanism 71 comprises an upper collar 71, a lower connecting rod 72, a cross rod 73, a diagonal rod 74, a middle seat 75 and a locking head 76, wherein the electric brake 5 is connected with the upper collar 71, the upper collar 71 is connected with the lower connecting rod 72 in a sliding manner, the lower connecting rod 72 is in telescopic arrangement, the lower side of the lower connecting rod 72 is connected with the mounting seat 1, the middle seat 75 is mounted in the front middle of the mounting seat 1, the front part and the rear part of the middle seat 75 are connected with the diagonal rod 74 in a sliding manner, the lower side of the telescopic rod on the lower connecting rod 72 is connected with the cross rod 73 in a sliding manner, the diagonal rod 74 at the rear part is connected with the right cross rod 73 in a sliding manner, and the side, far away from the cross rod 73, of the diagonal rod 74 is connected with the locking head 76, and the locking head 76 is in contact fit with the electric brake 5.
As shown in fig. 1 and 5, the alarm mechanism 8 includes an upper 81, a spring 82, a middle circuit 83, an original circuit 84 and an alarm lamp 85, the front side of the back board 2 is connected with the upper 81 in a sliding manner, the upper part of the upper 81 is contacted with the electric switch 5, the upper 81 is connected with the spring 82 between the back board 2, the lower side of the upper 81 is connected with the middle circuit 83, the middle part of the middle seat 75 and the left and right parts of the mounting seat 1 are connected with the original circuit 84, the original circuit 84 is mutually butted by the downward movement of the middle circuit 83, the alarm lamp 85 is connected to the right side of the right original circuit 84, and the alarm lamp 85 is lightened by the whole butt joint of the original circuit 84.
When the device is used again, the electric breaker can be connected with the electric brake 5 respectively, when one electric brake 5 is controlled to rotate downwards to be opened again, the electric brake 5 can drive the lower connecting rod 72 to shrink through the upper lantern ring 71, at the moment, the telescopic rod of the lower connecting rod 72 can move downwards, and then the inclined rail rod 74 is driven to move, so that the lock head 76 is driven to move together, and then the lock head 76 is enabled to contact with the other electric brake 5, and further the other electric brake 5 is limited to move downwards, so that an interlocking effect is achieved. When the electric brake 5 is rotated downwards to be opened, the upper electric brake 5 and the middle electric circuit 83 are driven to move downwards, the spring 82 is compressed, the middle electric circuit 83 moves downwards to be butted with the original circuit 84, when the interlocking device is effective, the middle electric circuit 83 cannot move downwards simultaneously, so that the electric brake 5 cannot be completely butted with the original circuit 84, the alarm lamp 85 cannot be turned on, when the interlocking device fails, the electric brake 5 can be simultaneously rotated downwards to be opened, the original circuit 84 can be completely butted, and the alarm lamp 85 is turned on, so that the warning and reminding functions are achieved.
The foregoing is merely illustrative of the present utility model, and the present utility model is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present utility model. Therefore, the protection scope of the present utility model shall be subject to the protection scope of the claims.
Claims (6)
1. An interlock for an electrical circuit breaker, characterized by: including mount pad (1), back board (2), electric brake (5), interlocking mechanism (7) and alarm mechanism (8), two back board (2) about the rear portion upside of mount pad (1) are connected with, all rotate on back board (2) are connected with electric brake (5), and the front portion upside of mount pad (1) is equipped with interlocking mechanism (7) that are used for carrying out the interlocking to electric brake (5), and the front portion upside of mount pad (1) is equipped with alarm mechanism (8) that reminds when interlocking mechanism (7) become invalid.
2. An interlock for an electrical circuit breaker as recited in claim 1 wherein: interlocking mechanism (7) including last lantern ring (71), lower pole (72), horizontal pole (73), inclined rail pole (74), intermediate seat (75) and tapered end (76), all be connected with on electric brake (5) lantern ring (71), all be connected with lower pole (72) on last lantern ring (71), lower pole (72) are flexible setting, the downside of lower pole (72) all is connected with mount pad (1), the front and back two parts of mount pad (1) all are connected with inclined rail pole (74) in the middle of, the downside of telescopic link on lower pole (72) all is connected with horizontal pole (73), inclined rail pole (74) in front portion are connected with left side horizontal pole (73) slidingtype, inclined rail pole (74) in rear portion are connected with right side horizontal pole (73), one side that inclined rail pole (74) keep away from and be connected with horizontal pole (73) tapered end (76), tapered end (76) all contact cooperation with electric brake (5).
3. An interlock for an electrical circuit breaker as recited in claim 2 wherein: the alarm mechanism (8) comprises an upper switch (81), a spring (82), a middle circuit (83), an original circuit (84) and an alarm lamp (85), wherein the front side of a back plate (2) is connected with the upper switch (81) in a sliding mode, the upper part of the upper switch (81) is contacted with an electric brake (5), the spring (82) is connected between the upper switch (81) and the back plate (2), the middle circuit (83) is connected with the lower side of the upper switch (81), the middle part of a middle seat (75) and the left and right parts of a mounting seat (1) are connected with the original circuit (84), the original circuit (84) is mutually butted by the downward movement of the middle circuit (83), the alarm lamp (85) is connected to the right side of the right original circuit (84), and the alarm lamp (85) is lightened by the whole butt joint of the original circuit (84).
4. An interlock for an electrical circuit breaker as recited in claim 3 wherein: the utility model also comprises a reinforcing rib (3), and the reinforcing rib (3) is connected between the back connecting plates (2).
5. An interlock for an electrical circuit breaker as recited in claim 4 wherein: the numerical value plate (4) is arranged on the front side of the right lower part of the back plate (2).
6. An interlock for an electrical circuit breaker as recited in claim 5 wherein: the novel protective device is characterized by further comprising a protective net (6), wherein the protective net (6) is arranged at the front part of the mounting seat (1), and the protective net (6) is connected with the back connecting plate (2) at the left side and the right side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322628723.3U CN220914139U (en) | 2023-09-26 | 2023-09-26 | Interlocking device for electric circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322628723.3U CN220914139U (en) | 2023-09-26 | 2023-09-26 | Interlocking device for electric circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220914139U true CN220914139U (en) | 2024-05-07 |
Family
ID=90908671
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322628723.3U Active CN220914139U (en) | 2023-09-26 | 2023-09-26 | Interlocking device for electric circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220914139U (en) |
-
2023
- 2023-09-26 CN CN202322628723.3U patent/CN220914139U/en active Active
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