CN212517063U - N-pole mechanism of intelligent circuit breaker - Google Patents

N-pole mechanism of intelligent circuit breaker Download PDF

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Publication number
CN212517063U
CN212517063U CN202021497874.XU CN202021497874U CN212517063U CN 212517063 U CN212517063 U CN 212517063U CN 202021497874 U CN202021497874 U CN 202021497874U CN 212517063 U CN212517063 U CN 212517063U
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China
Prior art keywords
circuit breaker
support
circuit board
pole
intelligent circuit
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CN202021497874.XU
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Chinese (zh)
Inventor
沈玉文
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Zhejiang Chuangqi Electric Co ltd
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Zhejiang Chuangqi Electric Co ltd
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Priority to CN202021497874.XU priority Critical patent/CN212517063U/en
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Abstract

An N-pole mechanism of an intelligent circuit breaker. The problem that an electric arc generated when an N pole mechanism of the existing electric leakage circuit breaker is broken is easy to damage a circuit board is mainly solved. The method is characterized in that: the tripping mechanism comprises a first support (41), a circuit board (3), a second support (51) and a static contact piece (52) are arranged in the N pole chamber, the first support is connected with the second support through a linkage rod (401), a moving contact (52) is arranged on the second support, the moving contact corresponds to the static contact piece, the tripping mechanism further comprises a partition plate (53), the circuit board is arranged on one side of the partition plate, and the moving contact and the static contact piece are arranged on the other side of the circuit board. The utility model provides an N utmost point mechanism of intelligent circuit breaker separates circuit board and moving contact, protection circuit board through the baffle.

Description

N-pole mechanism of intelligent circuit breaker
Technical Field
The utility model relates to a circuit breaker field, concretely relates to N utmost point mechanism of intelligent circuit breaker.
Background
The circuit breaker is used for monitoring a power supply and protecting a power supply and power grid system, when the load of the power grid system is continuously overloaded within a set time, a switching-off tripping command is sent out, and a mechanical actuating mechanism of the circuit breaker immediately switches off and cuts off the power supply so as to protect the power supply and power grid system.
An arc generated when an N pole mechanism of the existing residual current circuit breaker is broken is easy to damage a circuit board.
SUMMERY OF THE UTILITY MODEL
In order to overcome the not enough of background art, the utility model provides an intelligence circuit breaker's N utmost point mechanism has mainly solved the problem that the electric arc that produces when present electric leakage circuit breaker's N utmost point mechanism produces disconnected harms the circuit board easily.
The utility model adopts the technical proposal that: the utility model provides an N utmost point mechanism of intelligent circuit breaker, includes the casing, the casing includes mesochite, protecgulum and hou gai, form the utmost point cavity of L between mesochite and the protecgulum, be equipped with tripping device and contact mechanism in the utmost point cavity of L, form the utmost point cavity of N between mesochite and the hou gai, its characterized in that: the tripping mechanism comprises a first support, a circuit board, a second support and a static contact piece are arranged in the N-pole cavity, the first support is connected with the second support through a linkage rod, a moving contact is arranged on the second support and corresponds to the static contact piece, the tripping mechanism further comprises a partition board, the circuit board is arranged on one side of the partition board, and the moving contact and the static contact piece are arranged on the other side of the circuit board.
A first arc ignition plate and a second arc ignition plate are arranged in the N-pole chamber, the static contact is connected with the first arc ignition plate, and a channel for elongating an electric arc is formed between the second arc ignition plate and the first arc ignition plate.
And the bottom of the middle shell is provided with a through groove corresponding to the channel.
The middle shell is provided with a plurality of bolts, and the partition plate is correspondingly provided with clamping-fit slots.
The middle shell and the partition plate are respectively provided with a fixing seat, the fixing seats are provided with fixing grooves, side plates are arranged on two sides of the second arc striking plate, and the side plates are in splicing fit with the fixing grooves.
And a positioning bulge is further arranged in the middle shell, and one side of the first arc striking plate is pressed against the side wall of the positioning bulge.
The linkage rod penetrates through the indicating piece and is used for driving the indicating piece to rotate when being driven to rotate, and a perspective part is arranged on the middle shell relative to the indicating piece.
The plug is provided with a boss, and the circuit board is provided with a clamping hole matched with the boss in a clamping manner.
The utility model has the advantages that: the utility model provides an N utmost point mechanism of intelligent circuit breaker separates circuit board and moving contact, protection circuit board through the baffle.
Drawings
Fig. 1 is an exploded view of an embodiment of the present invention.
Fig. 2 is a partial perspective view of an embodiment of the present invention.
Fig. 3 is an enlarged schematic view of fig. 2.
Fig. 4 is a partial perspective view of an embodiment of the present invention.
Fig. 5 is a schematic diagram of a partial explosion according to an embodiment of the present invention.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings: as shown in the figure, an N utmost point mechanism of intelligent circuit breaker, includes casing 1, the casing includes mesochite 11, protecgulum 12 and hou gai 13, form the utmost point cavity of L between mesochite and the protecgulum, be equipped with tripping device and contact mechanism in the utmost point cavity of L, form the utmost point cavity of N between mesochite and the back lid, tripping device includes first support 41, be equipped with circuit board 3, second support 51 and static contact piece in the utmost point cavity of N, first support with the second support passes through gangbar 401 and connects, be equipped with moving contact 52 on the second support, the moving contact with the static contact piece corresponds the setting, still includes baffle 53, the circuit board is located baffle one side, the moving contact with the static contact piece is located the circuit board opposite side. The first support and the second support synchronously rotate through the linkage rod to realize switching on and off, and on the other hand, electric sparks can be generated between the moving contact and the static contact when the moving contact is disconnected, and the circuit board is prevented from being damaged through the partition board.
In this embodiment, as shown in the figure, a first arc ignition plate 54 and a second arc ignition plate 55 are arranged in the N-pole chamber, the static contact is connected with the first arc ignition plate, and a channel 56 for elongating an arc is formed between the second arc ignition plate and the first arc ignition plate. Arc extinction is facilitated.
In the present embodiment, as shown in the figure, a through slot 111 is provided at the bottom of the middle shell corresponding to the channel. Is convenient for discharge.
In this embodiment, as shown in the figure, a plurality of pins 112 are disposed on the middle case, and slots 531 for snap-fit are disposed on the partition board corresponding to the pins. The installation is convenient.
In this embodiment, as shown in the figure, fixing seats 113 are disposed on the middle shell and the partition plate, fixing grooves 1131 are disposed on the fixing seats, and side plates 551 are disposed on two sides of the second arc starting plate, and the side plates are in insertion fit with the fixing grooves. Simple structure, the installation is firm.
In this embodiment, as shown in the figure, a positioning protrusion 14 is further disposed in the middle shell, and one side of the first arc starting plate abuts against a side wall of the positioning protrusion.
In this embodiment, as shown in the figure, the magnetic resonance type magnetic resonance imaging apparatus further includes an indicating member 6 rotatably disposed in the L-pole chamber, the linkage rod passes through the indicating member and is used for driving the indicating member to rotate when the linkage rod is driven to rotate, and the middle shell is provided with a perspective portion 1111 corresponding to the indicating member. The state of the current contact can be observed conveniently.
In this embodiment, as shown in the figure, the plug is provided with a boss 115, and the circuit board is provided with a clamping hole 31 matched with the boss in a clamping manner. The diameter of the boss is smaller than that of the plug pin, so that the circuit board is mounted, and the mounting and dismounting are convenient.
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
The embodiments described with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention. The examples should not be construed as limiting the present invention, but any modifications made based on the spirit of the present invention should be within the scope of the present invention.

Claims (8)

1. The utility model provides an N utmost point mechanism of intelligent circuit breaker, includes casing (1), the casing includes mesochite (11), protecgulum (12) and hou gai (13), form the utmost point cavity of L between mesochite and the protecgulum, be equipped with tripping device and contact mechanism in the utmost point cavity of L, form the utmost point cavity of N, its characterized in that between mesochite and the back lid: the tripping mechanism comprises a first support (41), a circuit board (3), a second support (51) and a static contact piece (521) are arranged in the N-pole chamber, the first support is connected with the second support through a linkage rod (401), a moving contact (52) is arranged on the second support, the moving contact corresponds to the static contact piece, the tripping mechanism further comprises a partition plate (53), the circuit board is arranged on one side of the partition plate, and the moving contact and the static contact piece are arranged on the other side of the circuit board.
2. The N-pole mechanism of an intelligent circuit breaker as recited in claim 1, wherein: a first arc ignition plate (54) and a second arc ignition plate (55) are arranged in the N-pole chamber, the static contact is connected with the first arc ignition plate, and a channel (56) for elongating an electric arc is formed between the second arc ignition plate and the first arc ignition plate.
3. The N-pole mechanism of an intelligent circuit breaker according to claim 2, wherein: the bottom of the middle shell is provided with a through groove (111) corresponding to the channel.
4. The N-pole mechanism of an intelligent circuit breaker according to claim 3, wherein: the middle shell is provided with a plurality of bolts (112), and the partition board is correspondingly provided with clamping-fit slots (531).
5. The N-pole mechanism of the intelligent circuit breaker as recited in claim 4, wherein: the middle shell and the partition plate are both provided with a fixed seat (113), the fixed seat is provided with a fixed groove (1131), two sides of the second arc striking plate are provided with side plates (551), and the side plates are in insertion fit with the fixed groove.
6. The N-pole mechanism of the intelligent circuit breaker as recited in claim 5, wherein: a positioning bulge (14) is further arranged in the middle shell, and one side of the first arc striking plate is pressed against the side wall of the positioning bulge.
7. The N-pole mechanism of the intelligent circuit breaker as recited in claim 6, wherein: still include rotatable locating indicator (6) in the L utmost point cavity, the gangbar passes indicator and is used for driving when rotating indicator rotates, relative on the mesochite indicator is equipped with perspective portion (1111).
8. The N-pole mechanism of an intelligent circuit breaker according to claim 7, wherein: be equipped with boss (115) on the bolt, be equipped with on the circuit board with boss joint complex joint hole (31).
CN202021497874.XU 2020-07-27 2020-07-27 N-pole mechanism of intelligent circuit breaker Active CN212517063U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202021497874.XU CN212517063U (en) 2020-07-27 2020-07-27 N-pole mechanism of intelligent circuit breaker

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202021497874.XU CN212517063U (en) 2020-07-27 2020-07-27 N-pole mechanism of intelligent circuit breaker

Publications (1)

Publication Number Publication Date
CN212517063U true CN212517063U (en) 2021-02-09

Family

ID=74443225

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202021497874.XU Active CN212517063U (en) 2020-07-27 2020-07-27 N-pole mechanism of intelligent circuit breaker

Country Status (1)

Country Link
CN (1) CN212517063U (en)

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Address after: 325600 No. 18, Sha Hung Road, North Bai Xiang Town, Yueqing, Wenzhou, Zhejiang.

Patentee after: Zhejiang Chuangqi Electric Co.,Ltd.

Address before: 325600 No. 18, Sha Hung Road, North Bai Xiang Town, Yueqing, Wenzhou, Zhejiang.

Patentee before: ZHEJIANG CHUANGQI ELECTRIC Co.,Ltd.