CN210182309U - Moulded case circuit breaker voltage sampling structure - Google Patents
Moulded case circuit breaker voltage sampling structure Download PDFInfo
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- CN210182309U CN210182309U CN201921325370.7U CN201921325370U CN210182309U CN 210182309 U CN210182309 U CN 210182309U CN 201921325370 U CN201921325370 U CN 201921325370U CN 210182309 U CN210182309 U CN 210182309U
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Abstract
The utility model discloses a circuit breaker voltage sampling structure, it includes that base (1), cartridge are in connecting plate (2) on base (1), its characterized in that: a gap (a) is formed between one section of the connecting plate (2) extending out of the base (1) and the base (1), the metal elastic sheet (4) comprises a long arm (41) and a short arm (42), the metal elastic sheet (4) is inserted into the gap (a), the long arm (41) is pressed and attached to the surface of the connecting plate (3), and the short arm (42) abuts against a groove (101) corresponding to the short arm (42) on the base (1). The whole sampling structure is simple, and the occupied product space is small; the operation is simple, the assembly difficulty is low, and the reliability is high.
Description
Technical Field
The utility model relates to a moulded case circuit breaker technical field, specifically say so and relate to a moulded case circuit breaker voltage sampling structure.
Background
The molded case circuit breaker is a common safety protection device in an electric line, and can be tripped when the line has overload and short-circuit faults, so that the fault current in the line is cut off. Along with the high-speed development of the intelligent power grid, higher requirements are put forward on the intellectualization of the molded case circuit breaker, and the electronic molded case circuit breaker has overload and short-circuit protection and also has overvoltage and undervoltage protection, voltage, power and electric energy monitoring and displaying functions.
In order to realize the functions related to the voltage, the voltage must be sampled, and two methods are usually adopted for sampling, namely, a sampling line is directly welded on a main loop, but the method is complex to produce; secondly, the circuit breaker is fastened by screws, but the reliability of the mode is insufficient, sliding teeth are easy to generate, and meanwhile, because the back-up protection is added to the small-shell electronic molded case circuit breaker, the residual available space is very small, the threaded hole can only be designed to be very small, a die cannot be realized, secondary processing is needed, and the cost of parts is high.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a voltage sampling structure of the plastic shell circuit breaker, aiming at the technical defects of the voltage sampling structure of the prior plastic shell circuit breaker, the sampling structure is simple, and the occupied product space is small; the operation is simple, the assembly difficulty is low, and the reliability is high.
Technical scheme
In order to realize the technical purpose, the utility model provides a circuit breaker voltage sampling structure, it includes that base, cartridge are in connecting plate on the base, its characterized in that: a gap exists between one section of the connecting plate extending out of the base and the base, the metal elastic piece comprises a long arm and a short arm, the metal elastic piece is inserted into the gap, the long arm is pressed and attached to the surface of the connecting plate, and the short arm abuts against the groove corresponding to the short arm on the base.
Further, the long arm is connected with a sampling line.
Further, the depth of the gap is smaller than the opening depth of the metal elastic sheet.
Furthermore, the narrow lower part and the wide upper part of the groove can limit the metal elastic sheet. By adopting the structure, the metal elastic sheet can be prevented from being pulled out.
Further, the long arm and the short arm are hook-shaped. Adopt this structure can increase spacingly.
Furthermore, the short arms are 2 in number, one short arm is abutted to the groove in the base, and the other short arm is abutted to the surface of the connecting plate.
Advantageous effects
The utility model provides a voltage sampling structure of a molded case circuit breaker, which utilizes the clearance between a base and a connecting plate to sample and assemble a metal elastic sheet and has a hook-shaped structure; the groove matched with the base and the metal elastic sheet is narrow at the bottom and wide at the top to realize limiting; the whole sampling structure is simple, and the occupied product space is small; the operation is simple, the assembly difficulty is low, and the reliability is high.
Drawings
Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention.
Fig. 2 is a schematic structural view of a base in embodiment 1 of the present invention.
Fig. 3 is a schematic diagram of the groove position in embodiment 1 of the present invention.
Fig. 4 is a schematic view of a metal dome structure in embodiment 1 of the present invention.
Fig. 5 is a schematic view of a metal dome structure in embodiment 2 of the present invention.
Detailed Description
The present invention will be further explained with reference to the drawings and examples.
Examples
As shown in fig. 1, 2 and 3, a voltage sampling structure of a circuit breaker comprises a base 1 and a connecting plate 2 inserted on the base 1, wherein a gap a exists between a section of the connecting plate 2 extending out of the base 1 and the base 1, and the depth a0 of the gap a is smaller than the opening depth 43 of a metal elastic sheet 4.
As shown in fig. 4, the metal elastic sheet 4 includes a long arm 41 and a short arm 42, the long arm 41 and the short arm 42 are hook-shaped, and the long arm 41 is connected to the sampling line 3. As shown in fig. 1, 2 and 3, the metal elastic sheet 4 is inserted into the gap a, the long arm 41 is pressed against the surface of the connecting plate 2, the short arm 42 abuts against the groove 101 corresponding to the short arm 42 on the base 1, the groove 101 is narrow at the bottom and wide at the top, the lower end limits the metal elastic sheet 4 in the process of inserting the metal elastic sheet 4, and the opened short arm 42 abuts against the upper end of the groove 101 when the circuit breaker signal acquisition device is subjected to an upward force, so that the metal elastic sheet 4 is prevented from falling off.
Example 2
The number of the short arms 42 is 2, one short arm is abutted to the groove 101 on the base 1, and the other short arm is abutted to the surface of the connecting plate 3. The other structure is the same as in embodiment 1.
The utility model provides a voltage sampling structure of a molded case circuit breaker, which utilizes the clearance between a base and a connecting plate to sample and assemble a metal elastic sheet and has a hook-shaped structure; the groove matched with the base and the metal elastic sheet is narrow at the bottom and wide at the top to realize limiting; the whole sampling structure is simple, and the occupied product space is small; the operation is simple, the assembly difficulty is low, and the reliability is high.
The structure, ratio, size and the like shown in the drawings attached to the present embodiment are only used for matching with the disclosure of the specification, so as to be known and read by those skilled in the art, and are not used to limit the practical limit condition of the present invention, so that the present invention does not have the essential meaning in the technology, and any structure modification, ratio relationship change or size adjustment should still fall within the scope of the present invention without affecting the function and the achievable purpose of the present invention. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle", "clockwise", "counterclockwise", etc. used in the present specification are for the sake of clarity only, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof are considered to be the scope of the present invention without substantial changes in the technical content.
Claims (6)
1. The utility model provides a circuit breaker voltage sampling structure, it includes base (1), cartridge connecting plate (2) on base (1), its characterized in that: a gap (a) is formed between one section of the connecting plate (2) extending out of the base (1) and the base (1), the metal elastic sheet (4) comprises a long arm (41) and a short arm (42), the metal elastic sheet (4) is inserted into the gap (a), the long arm (41) is pressed and attached to the surface of the connecting plate (2), and the short arm (42) abuts against a groove (101) corresponding to the short arm (42) on the base (1).
2. A circuit breaker voltage sampling structure as claimed in claim 1, wherein: the long arm (41) is connected with the sampling line (3).
3. A circuit breaker voltage sampling structure as claimed in claim 1, wherein: the depth (a0) of the gap (a) is smaller than the opening depth (43) of the metal elastic sheet (4).
4. A circuit breaker voltage sampling structure as claimed in claim 1, wherein: the narrow lower part and the wide upper part of the groove (101) can limit the metal elastic sheet (4).
5. A circuit breaker voltage sampling structure as claimed in claim 1, wherein: the long arm (41) and the short arm (42) are hook-shaped.
6. The circuit breaker voltage sampling structure of claim 5, wherein: the number of the short arms (42) is 2, one short arm is abutted to the groove (101) on the base (1), and the other short arm is abutted to the surface of the connecting plate (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921325370.7U CN210182309U (en) | 2019-08-15 | 2019-08-15 | Moulded case circuit breaker voltage sampling structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921325370.7U CN210182309U (en) | 2019-08-15 | 2019-08-15 | Moulded case circuit breaker voltage sampling structure |
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| Publication Number | Publication Date |
|---|---|
| CN210182309U true CN210182309U (en) | 2020-03-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921325370.7U Active CN210182309U (en) | 2019-08-15 | 2019-08-15 | Moulded case circuit breaker voltage sampling structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111381078A (en) * | 2020-04-30 | 2020-07-07 | 代勒智能电网技术(南京)有限公司 | Voltage sampling device of molded case circuit breaker |
-
2019
- 2019-08-15 CN CN201921325370.7U patent/CN210182309U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111381078A (en) * | 2020-04-30 | 2020-07-07 | 代勒智能电网技术(南京)有限公司 | Voltage sampling device of molded case circuit breaker |
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