CN216871866U - A hitch plate structure and moulded case circuit breaker for moulded case circuit breaker - Google Patents
A hitch plate structure and moulded case circuit breaker for moulded case circuit breaker Download PDFInfo
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- CN216871866U CN216871866U CN202122949681.4U CN202122949681U CN216871866U CN 216871866 U CN216871866 U CN 216871866U CN 202122949681 U CN202122949681 U CN 202122949681U CN 216871866 U CN216871866 U CN 216871866U
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- circuit breaker
- case circuit
- molded case
- connecting plate
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Abstract
The utility model relates to a connecting plate structure for a molded case circuit breaker and the molded case circuit breaker, wherein the connecting plate structure is arranged on a base of the molded case circuit breaker and comprises a first connecting plate, a second connecting plate and a third connecting plate, the first connecting plate penetrates through a current transformer, and the second connecting plate and the third connecting plate are respectively connected to two ends of the first connecting plate. Compared with the prior art, the utility model has the advantages that through the three-section transparent integrated forming structure, the process steps can be effectively reduced, the manufacturing cost is reduced, and the installation efficiency and the structure quality are greatly improved.
Description
Technical Field
The utility model relates to the field of circuit breaker technology and structure, in particular to a connecting plate structure of a plastic case circuit breaker.
Background
The current transformer is an instrument for converting a large primary side current into a small secondary side current according to the electromagnetic induction principle to measure, and consists of a closed iron core and a winding, wherein the primary side winding has few turns and is connected in a circuit of the current to be measured in series.
The backup protection refers to protection for removing faults when the main protection or the breaker fails. When a circuit fails, the protection on the circuit will momentarily signal the open element (e.g., a circuit breaker) of the circuit, and this immediate action protection is the main protection. When the main protection is not active for various reasons, after a short delay (the delay time is according to the requirements of each loop), another protection will start and act, and the fault loop will be tripped.
In the products with the intelligent tripping control module on the existing market 160A and below, the connecting plate for the current transformer and the backup protection in the molded case circuit breaker has multiple manufacturing steps, a multi-section structure, low quality and high cost, and is not beneficial to installation and disassembly.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects in the prior art and provide a connecting plate structure for a molded case circuit breaker and the molded case circuit breaker.
The purpose of the utility model can be realized by the following technical scheme:
a first object of the present invention is to protect a tie plate structure for a molded case circuit breaker, the tie plate structure being provided on a base of the molded case circuit breaker, the tie plate structure including a first tie plate, a second tie plate and a third tie plate, the first tie plate penetrating through a current transformer, the second tie plate and the third tie plate being respectively connected to both ends of the first tie plate.
Further, the first gusset plate includes an integrally formed connecting plate section and a through plate section.
Further, the penetrating plate section penetrates through the current transformer and enables one end, far away from the third connecting plate, of the penetrating plate section to be welded with the second connecting plate.
Furthermore, a notch is formed in the second connecting plate, and the penetrating plate section is welded to the position of the notch.
Further, the connecting plate section is a right-angle bending plate.
Furthermore, the vertical plate of the connected plate section is connected with one end of the penetrating plate section, and the transverse plate of the connecting plate section is connected with the third connecting plate.
Furthermore, a transverse plate of the connecting plate section is provided with a first threaded hole, the first threaded hole is provided with a first combination screw, and the first combination screw is used for fixedly connecting the first connecting plate and the third connecting plate.
Further, the third junction plate is connected with a backup protection provided on a base of the molded case circuit breaker.
Furthermore, a second threaded hole is formed in the second connecting plate, a second combined screw is arranged in the second threaded hole, and the second connecting plate is fastened on the base of the molded case circuit breaker through the second combined screw.
A second object of the present invention is to protect a molded case circuit breaker including the above-described tie plate structure for a molded case circuit breaker.
Compared with the prior art, the utility model has the following technical advantages:
(1) the connecting plate structure for the molded case circuit breaker in the technical scheme provides an integrally formed connecting plate structure for the molded case circuit breaker with the intelligent tripping control module, so that the life cycle of the circuit breaker is longer.
(2) The connecting plate structure for the molded case circuit breaker in the technical scheme has the advantages of simple structure and reliable quality, and the molded case circuit breaker with the intelligent tripping control module provides an integrally formed connecting plate module.
Drawings
Fig. 1 is a schematic cross-sectional structure of the present invention.
Fig. 2 is a schematic structural diagram of the present invention.
Fig. 3 is a schematic view of the structure of the mounted part of the present invention.
Fig. 4 is a schematic structural diagram of the present invention mounted on a backup protection.
Fig. 5 is a schematic view of the mounting structure of the first, second and third connection plates.
Fig. 6 is a schematic structural view of the first coupling plate.
Fig. 7 is a schematic structural view of the second coupling plate.
Fig. 8 is a schematic structural view of a third coupling plate.
Fig. 9 is a schematic structural diagram of the current transformer.
In the figure, 1 is a first connection plate, 2 is a first threaded hole, 3 is a current transformer, 4 is a second connection plate, 5 is a second threaded hole, 6 is a second combination screw, 7 is a first combination screw, 8 is a third connection plate, 9 is a backup protection, and 10 is a base.
Detailed Description
The utility model is described in detail below with reference to the figures and specific embodiments. In the technical scheme, the characteristics such as the part type, the material name, the connection structure, the control method and the like which are not explicitly described are all regarded as common technical characteristics disclosed in the prior art.
The technical scheme is innovatively constructed, and the main function of the technical scheme is to provide a connection structure between a current transformer and a backup protection in a molded case circuit breaker with an intelligent tripping control module. When the breaker is closed, the current transformer and the backup protection can be connected together through the connecting device.
The linking plate structure for the molded case circuit breaker is arranged on a base of the molded case circuit breaker, and comprises a first linking plate 1, a second linking plate 4 and a third linking plate 8, wherein the first linking plate 1 penetrates through a current transformer 3, and the second linking plate 4 and the third linking plate 8 are respectively connected to two ends of the first linking plate 1, as shown in fig. 1 to 9.
In particular, the first connecting plate 1 comprises an integrally formed connecting plate section and a through plate section. The through plate section penetrates through the current transformer 3 and the end of the through plate section, which is far away from the third connection plate 8, is welded with the second connection plate 4.
In specific implementation, the second connecting plate 4 is provided with a notch, and the penetrating plate section is welded at the notch. A second screw hole 5 is formed in the second connecting plate 4, a second assembling screw 6 is arranged in the second screw hole 5, and the second connecting plate 4 is fastened on the base of the molded case circuit breaker by the second assembling screw 6.
In specific implementation, the connecting plate section is a right-angle bending plate. The vertical plate of the connecting plate section is connected with one end of the penetrating plate section, and the transverse plate of the connecting plate section is connected with the third connecting plate 8. The transverse plate of the connecting plate section is provided with a first threaded hole 2, the first threaded hole 2 is provided with a first combined screw 7, and the first combined screw 7 is used for fixedly connecting the first connecting plate 1 and the third connecting plate 8.
In particular, the third connecting plate 8 is connected to a backup protection provided on the base of the molded case circuit breaker.
In specific implementation, the first connecting plate 1, the second connecting plate 4 and the third connecting plate 8 can be made of metal materials.
The utility model is realized by the following preparation modes: the first connecting plate 1 is integrally formed by the existing mainstream part preparation process method, penetrates through the current transformer 3, and connects the first connecting plate 1, the current transformer 3 and the second connecting plate 4 together by a welding process. The first connection plate 1, the current transformer 3 and the second connection plate 4 are mounted in the base as a whole. The first connecting plate 1, the backup protector 9 and the third connecting plate 8 are connected by the first threaded hole 2, wherein the first combination screw 7 plays a role in connecting the first connecting plate 1, the backup protector 9 and the third connecting plate 8. The second connecting plate 4 is connected with the base 9 through the second threaded hole 5, wherein the second combination screw 6 plays a role in connecting the second connecting plate 4 with the base 10.
The molded case circuit breaker of the present invention includes the above-described coupling plate structure for the molded case circuit breaker. By the aid of the connecting plate structure and the three-section transparent integrated forming structure, process steps can be effectively reduced, manufacturing cost is reduced, and mounting efficiency and structural quality are greatly improved. When the circuit breaker is switched on, the current transformer and the backup protection can be linked through the connecting plate structure.
The embodiments described above are intended to facilitate the understanding and use of the utility model by those skilled in the art. It will be readily apparent to those skilled in the art that various modifications to these embodiments may be made, and the generic principles described herein may be applied to other embodiments without the use of the inventive faculty. Therefore, the present invention is not limited to the above embodiments, and those skilled in the art should make improvements and modifications within the scope of the present invention based on the disclosure of the present invention.
Claims (10)
1. A connection plate structure for a molded case circuit breaker, the connection plate structure being disposed on a base of the molded case circuit breaker, the connection plate structure comprising a first connection plate (1), a second connection plate (4) and a third connection plate (8), the first connection plate (1) penetrating a current transformer (3), the second connection plate (4) and the third connection plate (8) being respectively connected to two ends of the first connection plate (1).
2. A tie plate structure for a molded case circuit breaker according to claim 1, wherein the first tie plate (1) includes a connecting plate section and a penetrating plate section which are integrally formed.
3. A tie plate structure for a molded case circuit breaker according to claim 2, wherein the through plate segment penetrates the current transformer (3) and has an end of the through plate segment away from the third tie plate (8) welded with the second tie plate (4).
4. A tie plate structure for a molded case circuit breaker according to claim 3, wherein the second tie plate (4) is provided with a notch, and the through plate segment is welded at the notch position.
5. A tie plate structure for a molded case circuit breaker according to claim 2, wherein the connecting plate segment is a right-angled bent plate.
6. A tie plate structure for a molded case circuit breaker according to claim 5, wherein a vertical plate of the connected plate segment is connected with one end of the penetrating plate segment, and a horizontal plate of the connected plate segment is connected with the third tie plate (8).
7. A tie plate structure for a molded case circuit breaker according to claim 6, wherein a first screw hole (2) is formed on the cross plate of the tie plate section, a first combining screw (7) is formed on the first screw hole (2), and the first combining screw (7) tightly connects the first tie plate (1) and the third tie plate (8).
8. A tie plate structure for a molded case circuit breaker according to claim 1, wherein the third tie plate (8) is connected with a backup protection provided on a base of the molded case circuit breaker.
9. A tie plate structure for a molded case circuit breaker according to claim 1, wherein a second screw hole (5) is formed on the second tie plate (4), a second combining screw (6) is formed on the second screw hole (5), and the second combining screw (6) fastens the second tie plate (4) to a base of the molded case circuit breaker.
10. A molded case circuit breaker, characterized in that the molded case circuit breaker comprises the tie plate structure for a molded case circuit breaker of any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122949681.4U CN216871866U (en) | 2021-11-29 | 2021-11-29 | A hitch plate structure and moulded case circuit breaker for moulded case circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122949681.4U CN216871866U (en) | 2021-11-29 | 2021-11-29 | A hitch plate structure and moulded case circuit breaker for moulded case circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216871866U true CN216871866U (en) | 2022-07-01 |
Family
ID=82127157
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122949681.4U Active CN216871866U (en) | 2021-11-29 | 2021-11-29 | A hitch plate structure and moulded case circuit breaker for moulded case circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216871866U (en) |
-
2021
- 2021-11-29 CN CN202122949681.4U patent/CN216871866U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Zhao Dielei Inventor after: Li Honglin Inventor after: Li Jianfa Inventor before: Zhao Dielei Inventor before: Li Honglin Inventor before: Li Jianfa |
|
| CB03 | Change of inventor or designer information |