CN213877969U - Plastic case circuit breaker - Google Patents
Plastic case circuit breaker Download PDFInfo
- Publication number
- CN213877969U CN213877969U CN202021787475.7U CN202021787475U CN213877969U CN 213877969 U CN213877969 U CN 213877969U CN 202021787475 U CN202021787475 U CN 202021787475U CN 213877969 U CN213877969 U CN 213877969U
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- Prior art keywords
- circuit breaker
- case circuit
- circuit board
- breaker body
- controller
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Abstract
The utility model discloses a moulded case circuit breaker, including the moulded case circuit breaker body, be provided with mutual-inductor and controller on the moulded case circuit breaker body, the bottom of moulded case circuit breaker body is provided with mounting plate, be provided with the sampling circuit board between moulded case circuit breaker body and the mounting plate, the sampling circuit board is connected with mutual-inductor and controller electricity to reduce laying of its inside wire, prevent that the wire from influencing the normal work of circuit breaker, when maintenance or change sampling circuit board, only need with the mounting plate dismantlement of moulded case circuit breaker body bottom can, need not to dismantle the circuit breaker is whole again, improve maintenance efficiency.
Description
Technical Field
The utility model belongs to the circuit breaker field, more specifically the utility model relates to a moulded case circuit breaker.
Background
The circuit breaker is the important electrical apparatus that distribution system played on-off control and guard action, and in industrial manufacturing, moulded case circuit breaker is used widely, in order to carry out effectual control and management to the circuit, among the prior art, appears one kind and has the circuit breaker of mutual-inductor and circuit board inside, carries out the processing analysis by the data that the circuit board detected the mutual-inductor, then the data transmission of analysis processing to the main terminal of circuit, can make maintainer can discover the problem in the circuit in advance and in time handle.
Patent document with publication number CN204991628U discloses a molded case circuit breaker product with highly generalized parts, including the installation base on the molded case circuit breaker, contact mechanism, thermal tripping mechanism, operating mechanism and arc-extinguishing cover, through lengthening the outgoing line terminal portion on the installation base of the molded case circuit breaker and the outgoing line terminal of the thermal tripping mechanism, make it adapt to the setting requirement of zero sequence current transformer and detection circuit board, through skewing operating mechanism to the left side, vacating the space on its right side to set up electric leakage release or intelligent release, thereby make installation base, contact mechanism, operating mechanism and arc-extinguishing cover be the universal structure.
Traditional moulded case circuit breaker can't install the circuit board, and with moulded case circuit breaker's installation base extension in the above-mentioned patent publication, make the circuit board can be installed inside the circuit breaker, but behind the installation circuit board, the circuit breaker is inside to have many wires that are used for being connected mutual-inductor and circuit board, and the wire can't avoid the inside various mechanisms of circuit breaker effectively, and at the circuit breaker during operation, its mixed and disorderly wire can influence the normal operating of circuit breaker, and because circuit breaker inner structure is compact, when the maintenance or change sampling circuit board, need take apart whole moulded case circuit breaker, maintenance efficiency is low.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art, the utility model provides a circuit breaker makes the inside wire of circuit breaker can reduce the influence to circuit breaker normal operating.
In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a moulded case circuit breaker, includes the moulded case circuit breaker body, is provided with mutual-inductor and controller on the moulded case circuit breaker body, and the bottom of moulded case circuit breaker body is provided with mounting plate, be provided with the sampling circuit board between moulded case circuit breaker body and the mounting plate, the sampling circuit board is connected with mutual-inductor and controller electricity.
Furthermore, a first fixing hole is formed in the sampling circuit board, a second fixing hole corresponding to the first fixing hole is formed in the bottom of the molded case circuit breaker body, a fixing screw is arranged on the first fixing hole, and the fixing screw penetrates through the first fixing hole and is in threaded connection with the second fixing hole.
Further, the bottom of the molded case circuit breaker body is provided with a through hole communicated with the inside of the molded case circuit breaker body.
Further, one side of moulded case circuit breaker body is provided with the mounting groove, the controller can be dismantled with the mounting groove and be connected.
Further, an electrical socket is arranged at the bottom of the mounting groove and electrically connected with the sampling circuit board, and an electrical plug corresponding to the electrical socket is arranged on the controller
Further, the controller comprises a front cover, a rear cover and a control circuit board, the front cover is connected with the rear cover, the control circuit board is located between the front cover and the rear cover, and the electric plug is located on the control circuit board.
Further, the rear cover is provided with a connecting ring, the molded case circuit breaker body is provided with a connecting hole corresponding to the connecting ring, and the connecting ring is provided with a connecting bolt which penetrates through the connecting ring and is in threaded connection with the connecting hole.
Furthermore, a signal indicator lamp is arranged on the control circuit board.
Compared with the prior art, the beneficial effects of the utility model are that: when the molded case circuit breaker is installed, the sampling circuit board is installed at the bottom of the molded case circuit breaker body and is fixed through the installation bottom plate, a mutual inductor inside the molded case circuit breaker is connected with the sampling module through a wire, the wire penetrates through a connecting hole, current or voltage data are detected through the mutual inductor when the molded case circuit breaker works, the data are transmitted to the sampling module through the wire, the data are transmitted to the controller through the sampling circuit board, and then are processed and analyzed by the controller, the sampling circuit board is located at the bottom of the molded case circuit breaker body, the arrangement of the inner wire of the sampling circuit board is reduced, the wire is prevented from influencing the normal work of the circuit breaker, when the sampling circuit board is maintained or replaced, the molded case is only needed to be disassembled from the installation bottom plate at the bottom of the molded case circuit breaker body, the circuit breaker is not needed to be disassembled again, and the maintenance efficiency is improved.
Drawings
Fig. 1 is a schematic structural diagram of the molded case circuit breaker of the present invention;
fig. 2 is a schematic diagram of the connection between the molded case circuit breaker body and the controller;
fig. 3 is a schematic structural view of the bottom of the molded case circuit breaker body;
FIG. 4 is a schematic structural diagram of a sampling circuit board;
FIG. 5 is an exploded schematic view of the controller;
fig. 6 is a schematic structural diagram of the control circuit board.
Reference numerals: 1. a molded case circuit breaker body; 2. a controller; 3. mounting a bottom plate; 4. sampling the circuit board; 5. a first fixing hole; 6. a second fixing hole; 7. a through hole; 8. mounting grooves; 9. an electrical outlet; 10. an electrical plug; 11. a front cover; 12. a rear cover; 13. a control circuit board; 14. a signal indicator light; 15. a groove; 16. an electrical component; 17. a connecting ring; 18. connecting holes; 19. and connecting the bolts.
Detailed Description
In the description of the present invention, it should be noted that, for the orientation words, such as the terms "center", "lateral (X)", "longitudinal (Y)", "vertical (Z)", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., the orientation and the positional relationship are indicated based on the orientation or the positional relationship shown in the drawings, and the description is only for convenience of describing the present invention and simplifying the description, but not for indicating or implying that the device or the element referred to must have a specific orientation, be constructed and operated in a specific orientation, and should not be construed as limiting the specific protection scope of the present invention.
Furthermore, if the terms "first" and "second" are used for descriptive purposes only, they are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features. Thus, the definition of "a first" or "a second" feature may explicitly or implicitly include one or more of the features, and "a plurality" or "a plurality" in the description of the invention means two or more unless a specific definition is explicitly provided.
The present invention is further explained with reference to fig. 1 to 6.
The utility model provides a moulded case circuit breaker, includes moulded case circuit breaker body 1, is provided with mutual-inductor and controller 2 on the moulded case circuit breaker body 1, and the bottom of moulded case circuit breaker body 1 is provided with mounting plate 3, be provided with sampling circuit board 4 between moulded case circuit breaker body 1 and the mounting plate 3, sampling circuit board 4 is connected with mutual-inductor and 2 electricity of controller.
As shown in fig. 3, the bottom of the molded case circuit breaker body 1 is provided with a plurality of grooves 15, when the molded case circuit breaker body 1 is assembled, the sampling circuit board 4 is installed and fixed at the bottom of the molded case circuit breaker body 1, and various electrical components or modules on the sampling circuit board 4 are located in the grooves 15, then the sampling circuit board 4 is connected with the mutual inductor and the controller 2 inside the molded case circuit breaker through wires, finally, the mounting base plate 3 is covered on the sampling floor, and the mounting base plate 3 is fixed on the molded case circuit breaker body 1 through fasteners such as screws, so that the sampling circuit board 4 is isolated from the outside. In the use process of the molded case circuit breaker, the internal mutual inductor transmits detected data to the sampling circuit board 4 through a conducting wire, the sampling circuit board 4 transmits the collected data to the controller 2 in a unified mode, and the controller 2 analyzes and processes the data.
Through installing sampling circuit board 4 in the outside of moulded case circuit breaker body 1, reduce laying of its inside wire to reduce the influence of inside wire to the circuit breaker, make the circuit breaker can normal operating, and when maintaining or changing sampling circuit board 4, only need dismantle mounting plate 3 earlier, then back out set screw, can maintain sampling circuit board 4, and need not to dismantle moulded case circuit breaker body 1, improve maintenance efficiency.
As shown in fig. 3 and 4, in the preferred embodiment, a first fixing hole 5 is formed in the sampling circuit board 4, a second fixing hole 6 corresponding to the first fixing hole 5 is formed in the bottom of the molded case circuit breaker body 1, a fixing screw (not shown in the drawing) is disposed in the first fixing hole 5, the fixing screw passes through the first fixing hole 5 and is in threaded connection with the second fixing hole 6, when the sampling circuit board 4 is installed, the first fixing hole 5 in the sampling circuit board 4 is aligned with the second fixing hole 6, and then the sampling circuit board 4 is fixed to the molded case circuit breaker body 1 by using the fixing screw (not shown in the drawing), the number of the first fixing holes 5 is two and is located at two opposite corners of the sampling circuit board 4, and the number of the second fixing holes 6 is two corresponding to each other, so that the sampling circuit board 4 can be fixed to the molded case circuit breaker body 1, and the influence of excessive first fixing holes 5 on the electric elements 16 or modules on the sampling circuit board 4 can be prevented.
As shown in fig. 3, the bottom of the molded case circuit breaker body 1 is preferably provided with a through hole 7 communicating with the inside of the molded case circuit breaker body 1, the through hole 7 enables a wire connecting the mutual inductor and the sampling circuit board 4 to directly pass through the molded case circuit breaker body 1, so that the arrangement of the wire inside the molded case circuit breaker is reduced, and the influence of the wire on the circuit breaker is reduced.
As shown in fig. 2, it is preferable that one side of the molded case circuit breaker body 1 of this embodiment is provided with a mounting groove 8, the controller 2 is detachably connected to the mounting groove 8, and the controller 2 is installed outside the molded case circuit breaker body 1, so that the connection wires between the controller 2 and the sampling circuit board 4 are also externally arranged, thereby further reducing the influence of the wires on the circuit breaker, and when the controller 2 is maintained or replaced, the controller 2 can be detached from the mounting groove 8, thereby facilitating the maintenance of the controller 2 and improving the maintenance efficiency.
As shown in fig. 2, in the embodiment, preferably, an electrical socket 9 is disposed at the bottom of the mounting groove 8, the electrical socket 9 is electrically connected to the sampling circuit board 4, an electrical plug 10 corresponding to the electrical socket 9 is disposed on the controller 2, and both the electrical plug 10 and the electrical socket 9 are made of conductive metal, when the controller 2 is mounted, the electrical plug 10 is aligned with the electrical socket 9 on the mounting groove 8, and then the electrical plug 10 is inserted into the electrical socket 9, so that the electrical plug 10 is in contact with the electrical socket 9, and the controller 2 can receive data from the sampling circuit board 4 without wire connection, that is, the wire does not affect the normal operation of the circuit breaker.
As shown in fig. 5 and 6, the controller 2 of the present embodiment preferably includes a front cover 11, a rear cover 12 and a control circuit board 13, the front cover 11 is connected with the back cover 12, the control circuit board 13 is positioned between the front cover 11 and the back cover 12, the electric plug 10 is arranged on the control circuit board 13, the rear cover 12 is provided with a plurality of fixing rods, the front cover 11 and the rear cover 12 have a certain mounting space when being connected through the fixing rods, so that the control circuit board 13 and its electric components 16 or modules can be mounted in the mounting space, the fixed rod penetrates through the control circuit board 13, a connecting bolt 19 is arranged on the fixed rod, the connecting bolt 19 penetrates through the fixed rod to be in threaded connection with the front cover 11, the periphery of the control circuit board 13 is abutted against the rear cover 12 and the front cover 11 during connection, and therefore the control circuit board 13 is fixed between the rear cover 12 and the front cover 11.
As shown in fig. 1 and 2, the rear cover 12 of the preferred embodiment is provided with a connection ring 17, the molded case circuit breaker body 1 is provided with a connection hole 18 corresponding to the connection ring 17, the connection ring 17 is provided with a connection bolt 19, the connection bolt 19 passes through the connection ring 17 and is in threaded connection with the connection hole 18, when the electrical plug 10 of the controller 2 is connected with the electrical socket 9 of the mounting groove 8, the connection ring 17 is aligned with the connection hole 18, then the connection bolt 19 passes through the connection ring 17 and is in threaded connection with the connection hole 18, after the head of the connection bolt 19 is tightly attached to the connection ring 17, the controller 2 is fixed on the molded case circuit breaker body 1, and when the controller 2 needs to be maintained, the connection bolt 19 is unscrewed, and the controller 2 is pulled out of the electrical socket 9 of the mounting groove 8, thereby facilitating the detachment of the controller 2.
As shown in fig. 1, in the preferred embodiment, the control circuit board 13 is provided with the signal indicating lamp 14, and the signal indicating lamp 14 has different colors to represent different processing signals on the circuit breaker, so that maintenance personnel can know the internal condition of the circuit breaker more intuitively.
It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (6)
1. The utility model provides a moulded case circuit breaker, includes the moulded case circuit breaker body, is provided with mutual-inductor and controller on the moulded case circuit breaker body, and the bottom of moulded case circuit breaker body is provided with mounting plate, its characterized in that: a sampling circuit board is arranged between the molded case circuit breaker body and the mounting bottom plate, and the sampling circuit board is electrically connected with the mutual inductor and the controller;
the sampling circuit board is provided with a first fixing hole, the bottom of the molded case circuit breaker body is provided with a second fixing hole corresponding to the first fixing hole, the first fixing hole is provided with a fixing screw, and the fixing screw penetrates through the first fixing hole and is in threaded connection with the second fixing hole;
the bottom of moulded case circuit breaker body is provided with the inside through-hole of intercommunication moulded case circuit breaker body.
2. The molded case circuit breaker according to claim 1, wherein: one side of moulded case circuit breaker body is provided with the mounting groove, the controller can be dismantled with the mounting groove and be connected.
3. The molded case circuit breaker according to claim 2, wherein: the bottom of mounting groove is provided with electric socket, electric socket is connected with the sampling circuit board electricity, be provided with the electric plug that corresponds electric socket on the controller.
4. A molded case circuit breaker according to claim 3, wherein: the controller comprises a front cover, a rear cover and a control circuit board, the front cover is connected with the rear cover, the control circuit board is located between the front cover and the rear cover, and the electric plug is located on the control circuit board.
5. The molded case circuit breaker according to claim 4, wherein: the rear cover is provided with a connecting ring, the molded case circuit breaker body is provided with a connecting hole corresponding to the connecting ring, the connecting ring is provided with a connecting bolt, and the connecting bolt penetrates through the connecting ring and is in threaded connection with the connecting hole.
6. The molded case circuit breaker according to claim 5, wherein: and a signal indicator lamp is arranged on the control circuit board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021787475.7U CN213877969U (en) | 2020-08-24 | 2020-08-24 | Plastic case circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021787475.7U CN213877969U (en) | 2020-08-24 | 2020-08-24 | Plastic case circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213877969U true CN213877969U (en) | 2021-08-03 |
Family
ID=77047218
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021787475.7U Active CN213877969U (en) | 2020-08-24 | 2020-08-24 | Plastic case circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213877969U (en) |
-
2020
- 2020-08-24 CN CN202021787475.7U patent/CN213877969U/en active Active
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