CN214152812U - Moulded case circuit breaker with compact structure - Google Patents
Moulded case circuit breaker with compact structure Download PDFInfo
- Publication number
- CN214152812U CN214152812U CN202120204693.1U CN202120204693U CN214152812U CN 214152812 U CN214152812 U CN 214152812U CN 202120204693 U CN202120204693 U CN 202120204693U CN 214152812 U CN214152812 U CN 214152812U
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- CN
- China
- Prior art keywords
- circuit board
- cavity
- shell
- circuit breaker
- operating device
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a compact structure's moulded case circuit breaker, including the shell, the shell inboard has the cavity, arrange in proper order at least in the cavity and be provided with three contact subassembly and be connected the complex operating device with contact subassembly, operating device is connected with the operating handle who wears to establish to the shell top, operating device corresponds the top of setting at the contact subassembly that is located the intermediate position, the both sides position that the cavity corresponds operating device still is provided with two circuit board installation chambeies that can be used to the holding circuit board, two circuit board installation chambeies correspond the top position that sets up at other two contact subassemblies respectively. The utility model discloses structure layout is more reasonable, compact than current moulded case circuit breaker.
Description
Technical Field
The utility model relates to a compact structure's moulded case circuit breaker.
Background
The existing intelligent molded case circuit breaker generally comprises a shell, a cavity is arranged on the inner side of the shell, a contact assembly, an operating mechanism linked with the contact assembly, an operating handle penetrating to the outer side of the cavity, a plurality of circuit boards which are matched with the contact assembly to realize the functions of data sampling, processing, controlling, basic protection and the like of the circuit breaker are arranged in the cavity, the circuit boards are limited by the inner space of the cavity, and the elements are difficult to be configured in the cavity under the condition of not influencing the integral volume of the molded case circuit breaker.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art, the utility model provides a more reasonable, compact moulded case circuit breaker of inner structure overall arrangement.
In order to achieve the purpose, the utility model provides a compact structure's moulded case circuit breaker, including the shell, the shell inboard has the cavity, at least arrange in proper order in the cavity and be provided with three contact subassembly and be connected complex operating device with the contact subassembly, operating device is connected with the operating handle who wears to establish to the shell top, operating device corresponds the top that sets up the contact subassembly that is located the intermediate position, the both sides position that the cavity corresponds operating device still is provided with two circuit board installation cavities that can be used to the holding circuit board, two circuit board installation cavities correspond the top position that sets up at other two contact subassemblies respectively.
The utility model has the advantages that: the two circuit board mounting cavities are arranged at the positions, corresponding to the operating mechanism, of the two sides of the cavity and are respectively arranged above the other two contact assemblies, redundant space inside the cavity is reasonably utilized, the change of the whole volume of the molded case circuit breaker is small, the circuit board accommodated in the circuit board mounting cavities can obtain a good isolation effect, and the stability in operation of the circuit board mounting cavities is improved.
Further, the shell is spliced in proper order by base, well seat and upper cover and is formed, the contact subassembly sets up between base and well seat, and the middle part of well seat is provided with the first notch that is used for holding operating device, and the middle part of upper cover is provided with the second notch that is used for wearing to establish operating handle, and the both sides position that well seat upper portion corresponds first notch is provided with two first recesses, the lower part of upper cover is provided with two second recesses corresponding with first recess, the circuit board installation cavity comprises first recess and second recess amalgamation.
The further setting brings the advantages that: the shell adopts three-layer mosaic structure, makes things convenient for the production and processing of shell part, can install the inboard subassembly of shell in proper order along the concatenation order of base, well seat and upper cover during the assembly, first recess and second recess can form when the concatenation circuit board installation cavity, whole installation is simple, convenient, improves production assembly efficiency.
Furthermore, at least two circuit boards are longitudinally arranged in the circuit board mounting cavity at intervals.
The further setting brings the advantages that: more circuit boards can be accommodated in the circuit board mounting cavity, and the circuit boards are arranged at intervals in the longitudinal direction, so that adjacent circuit boards are not easy to interfere with each other.
Furthermore, the first groove and/or the second groove are/is provided with convex columns which are used for being matched with the circuit boards respectively for supporting and positioning.
The further setting brings the advantages that: the convex columns are matched with the circuit boards respectively for supporting and positioning, so that the circuit boards in the circuit board mounting cavity are not easy to shake, the circuit boards can be ensured to be in a mutually isolated state, and the interference between the circuit boards is reduced.
Drawings
FIG. 1 is a block diagram of an embodiment of the present invention;
FIG. 2 is a diagram of the upper cover of the embodiment of the present invention;
fig. 3 is a diagram illustrating the circuit board in the second groove according to the embodiment of the present invention;
fig. 4 is a diagram illustrating the circuit board being mounted in the first groove according to an embodiment of the present invention;
fig. 5 is a partial cross-sectional view of an embodiment of the present invention.
Detailed Description
The embodiment of the compact structure molded case circuit breaker of the utility model is shown in figures 1-5: comprises a shell 1, a cavity 10 is arranged on the inner side of the shell 1, at least three contact assemblies 2 and an operating mechanism 3 which is connected and matched with the contact assemblies 2 are sequentially arranged in the cavity 10, the operating mechanism 3 is connected with an operating handle 4 which is arranged above the shell 1 in a penetrating way, the operating handle 4 can drive the contact assembly 4 to perform opening and closing actions, the operating mechanism 3 is correspondingly arranged above the contact assembly 2 positioned at the middle position, two circuit board mounting cavities 11 which can be used for accommodating the circuit board 5 are also arranged at the two sides of the cavity 10 corresponding to the operating mechanism 3, the two circuit board mounting cavities 11 are respectively and correspondingly arranged at the upper positions of the other two contact assemblies 2 (as shown in figure 5), the circuit board 5 can be used for being matched with the contact assembly 2 to realize functions (such as metering and leakage protection functions) of data sampling, processing and control of the circuit breaker or basic protection of the circuit breaker.
The shell 1 is spliced in proper order by base 12, well seat 13 and upper cover 14 and is formed, contact subassembly 2 sets up between base 12 and well seat 13, and the middle part of well seat 13 is provided with the first notch 131 that is used for holding operating device 3, and the middle part of upper cover 14 is provided with the second notch 141 that is used for wearing to establish operating handle 4, and the both sides position that well seat 13 upper portion corresponds first notch 131 is provided with two first recesses 132, the lower part of upper cover 14 is provided with two second recesses 141 corresponding with first recess 132, circuit board installation cavity 11 is become by first recess 132 and second recess 141 amalgamation.
Two circuit boards 5 are accommodated in one circuit board mounting cavity 11, three circuit boards 5 are accommodated in the other circuit board mounting cavity 11, the circuit boards 5 in the same circuit board mounting cavity 11 are arranged at intervals in the longitudinal direction, the circuit board 5 positioned at the top in the circuit board mounting cavity 11 is matched with the convex column 15 arranged in the second groove 141 for supporting and positioning, the circuit boards 5 positioned at the middle part and the bottom in the circuit board mounting cavity 11 are matched with the convex column 15 arranged in the first groove 132 for supporting and positioning, and the convex columns 15 with different heights can be configured in the first groove 132, so that the two circuit boards 5 positioned in the first groove 132 and the circuit boards 5 in the circuit board 5 and the second groove 141 can be kept at intervals.
The convex column 15 adopts a hole column, and the circuit board 5 can be locked and positioned at the end part of the convex column 15 in a screw connection mode.
The above embodiment is only one of the preferred embodiments of the present invention, and the general changes and substitutions performed by those skilled in the art within the technical scope of the present invention are included in the protection scope of the present invention.
Claims (4)
1. The utility model provides a compact structure's moulded case circuit breaker, includes the shell, and the shell inboard has the cavity, arrange in proper order at least in the cavity and be provided with three contact assembly and be connected complex operating device with contact assembly, operating device is connected with the operating handle who wears to establish to the shell top, operating device corresponds the top that sets up at the contact assembly that is located the intermediate position, its characterized in that: the two side positions of the cavity corresponding to the operating mechanism are also provided with two circuit board mounting cavities which can be used for accommodating circuit boards, and the two circuit board mounting cavities are respectively correspondingly arranged at the upper positions of the other two contact assemblies.
2. The compact molded case circuit breaker according to claim 1, wherein: the shell is formed by splicing a base, a middle seat and an upper cover in sequence, the contact assembly is arranged between the base and the middle seat, the middle part of the middle seat is provided with a first notch for accommodating the operating mechanism,
the middle part of upper cover is provided with the second notch that is used for wearing to establish operating handle, and the both sides position that well seat upper portion corresponds first notch is provided with two first recesses, the lower part of upper cover is provided with two second recesses corresponding with first recess, the circuit board installation cavity comprises first recess and second recess amalgamation.
3. The compact molded case circuit breaker according to claim 2, wherein: at least two circuit boards are longitudinally arranged in the circuit board mounting cavity at intervals.
4. The compact molded case circuit breaker according to claim 3, wherein: and convex columns which are used for being matched with the circuit boards respectively to support and position are arranged in the first groove and/or the second groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120204693.1U CN214152812U (en) | 2021-01-25 | 2021-01-25 | Moulded case circuit breaker with compact structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120204693.1U CN214152812U (en) | 2021-01-25 | 2021-01-25 | Moulded case circuit breaker with compact structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214152812U true CN214152812U (en) | 2021-09-07 |
Family
ID=77548913
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120204693.1U Expired - Fee Related CN214152812U (en) | 2021-01-25 | 2021-01-25 | Moulded case circuit breaker with compact structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214152812U (en) |
-
2021
- 2021-01-25 CN CN202120204693.1U patent/CN214152812U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210907 Termination date: 20220125 |