CN216597453U

CN216597453U - Intelligent circuit breaker with partition plate

Info

Publication number: CN216597453U
Application number: CN202123451517.7U
Authority: CN
Inventors: 张韶松; 李普初; 何力介
Original assignee: Siqi Technology Co ltd
Current assignee: Siqi Technology Co ltd
Priority date: 2021-12-31
Filing date: 2021-12-31
Publication date: 2022-05-24
Anticipated expiration: 2031-12-31

Abstract

The utility model relates to an intelligent circuit breaker with baffle, which comprises a housin, the casing is separated by the looks division board and is formed the unit isolation chamber, the unit isolation chamber has contact element holding chamber from top to bottom, thermomagnetic mechanism holding chamber, current transformer holding chamber and current transformer holding chamber, contact element holding intracavity sets up the last stationary contact plate that has the arc extinguishing unit, thermomagnetic mechanism holding chamber, current transformer holding chamber and current transformer holding intracavity correspond respectively and set up thermomagnetic mechanism, current transformer and current transformer, set up the baffle between contact element holding chamber and the thermomagnetic mechanism holding chamber, the baffle is erect ground card and is arranged in the baffle slot. Thermomagnetic mechanism, current transformer, residual current transformer set up in one side of baffle, and the contact element sets up in the opposite side of baffle, effectively isolated waste residue gets into electronic mechanism holding intracavity, has greatly prolonged electronic mechanism's life.

Description

Intelligent circuit breaker with partition plate

Technical Field

The utility model relates to an intelligent circuit breaker with baffle.

Background

The intelligent circuit breaker is an electric device integrating action opening and closing, voltage, current and leakage current sensing and protecting functions. In structural arrangement, the structure is simplified as much as possible, and the unit functions are modularly arranged. Although the existing intelligent circuit breaker realizes isolation among phases, isolation is not provided between the electronic mechanism and the contact unit, electric arcs generated by the contact unit in the contact opening and closing process are easy to generate waste residues in the breaking process, and the electronic mechanism is easy to age when the waste residues enter the accommodating cavity of the electronic mechanism.

Disclosure of Invention

In view of this, the utility model aims at providing a simple structure can prevent that the waste residue that the contact unit produced from getting into the intelligent circuit breaker with baffle of electron mechanism holding chamber.

In order to realize above mesh, the utility model discloses a such intelligent circuit breaker with baffle, which comprises a housin, the casing separate by the looks division board and form the unit isolation chamber, the unit isolation chamber contact unit holding chamber, thermomagnetic mechanism holding chamber, magnetic ring holding chamber and current transformer holding chamber have from top to bottom, contact unit holding intracavity set up the last stationary contact plate that has the arc extinguishing unit, thermomagnetic mechanism holding chamber, magnetic ring holding chamber and current transformer holding intracavity correspond respectively and set up thermomagnetic mechanism, magnetic ring and current transformer, contact unit holding chamber and thermomagnetic mechanism holding chamber between set up the baffle, the baffle erect ground card and arrange in the baffle slot. Compared with the prior art, the invention has the beneficial technical effects that: through the setting of above structure, thermomagnetic mechanism, current transformer, residual current transformer set up in one side of baffle, and the contact element sets up in the opposite side of baffle, effectively isolated waste residue gets into electronic mechanism holding intracavity, has greatly prolonged electronic mechanism's life.

Particularly, the clamping plates extend out of two sides of the partition plate, the partition plate is provided with a threading hole with an opening at the lower end, a lead is led out of the lower static contact plate, and the lead sequentially passes through the residual current transformer, the current transformer of the corresponding phase, the magnetic ring of the corresponding phase, the thermomagnetic mechanism of the corresponding phase and the threading hole of the corresponding phase to be connected with the movable contact knife of the corresponding phase. Through the arrangement of the structure, the wire can be conveniently penetrated in the wire through hole, and the contact units at two sides and the electronic mechanism can be isolated without damaging the wire.

Particularly, the movable contact knife seat supporting plate is formed at the position, located in the contact unit accommodating cavity, of the phase partition plate, is arranged below the movable contact knife seat, and is clamped and fixed with the movable contact knife seat. Through the arrangement of the structure, the movable contact knife holder is assembled, and each phase movable contact knife on the movable contact knife holder can enter the corresponding phase contact unit accommodating cavity.

Drawings

Fig. 1 is a front view of a housing in an embodiment of the invention;

FIG. 2 is a front view of a baffle plate in an embodiment of the present invention;

fig. 3 is a schematic diagram of the separation of the electronic mechanism and the contact unit in the embodiment of the present invention.

In the figure: 1. an upper stationary contact plate having an arc extinguishing unit; 2. a movable contact knife holder; 3. a partition plate; 31. threading holes; 32. clamping a plate; 4. a wire; 5. a thermomagnetic mechanism; 6. a magnetic ring; 7. a current transformer 8 and a residual current transformer; 9. a lower stationary contact plate; 100. a partition plate slot; 101. a thermomagnetic mechanism accommodating cavity; 102. a magnetic ring accommodating cavity; 103, a current transformer accommodating cavity; 104. a residual current transformer accommodating groove; 105. a movable contact knife holder supporting plate; 106. a contact unit accommodating chamber.

Detailed Description

As shown in fig. 1 to 3, an intelligent circuit breaker with a partition plate comprises a shell, the shell is divided by a phase partition plate to form a unit isolation cavity, the unit isolation cavity is provided with a contact unit accommodating cavity 106, a thermomagnetic mechanism accommodating cavity 101, a magnetic ring accommodating cavity 102 and a current transformer accommodating cavity 103 from top to bottom, an upper stationary contact plate 1 with an arc extinguishing unit is arranged in the contact unit accommodating cavity 106, the thermomagnetic mechanism accommodating cavity 101, the thermomagnetic mechanism 5, the magnetic ring 6 and the current transformer 7 are correspondingly arranged in the magnetic ring accommodating cavity 102 and the current transformer accommodating cavity 103 respectively, the partition plate 3 is arranged between the contact unit accommodating cavity 106 and the thermomagnetic mechanism accommodating cavity 101, and the partition plate 3 is vertically clamped in a partition plate slot 100.

Clamping plates 32 extend out of two sides of the partition plate 3, threading holes 31 with the lower end opened are formed in the partition plate 3, wires 4 are led out of the lower static contact plate 9, and the wires 4 sequentially penetrate through the residual current transformer 8, the current transformer 7 of the corresponding phase, the magnetic ring 6 of the corresponding phase, the thermomagnetic mechanism 5 of the corresponding phase and the threading holes 31 of the corresponding phase to be connected with the movable contact knives of the corresponding phase.

The phase partition plate is positioned in the position of the contact unit accommodating cavity 106 to form a movable contact knife holder supporting plate 105, the movable contact knife holder supporting plate 105 is arranged below the movable contact knife holder 2, and the movable contact knife holder supporting plate 105 is clamped and fixed with the movable contact knife holder 2.

Claims

1. The utility model provides an intelligent circuit breaker with baffle, includes the casing, its characterized in that: the shell form the unit isolation chamber by the partition of looks division board, the unit isolation chamber from top to bottom have contact unit holding chamber, thermomagnetic mechanism holding chamber, magnetic ring holding chamber and current transformer holding chamber, contact unit holding intracavity set up the last stationary contact plate that has the arc extinguishing unit, thermomagnetic mechanism holding chamber, magnetic ring holding chamber and current transformer holding intracavity correspond respectively and set up thermomagnetic mechanism, magnetic ring and current transformer, contact unit holding chamber and thermomagnetic mechanism holding chamber between set up the baffle, the baffle erect ground card and arrange in the baffle slot.

2. The intelligent circuit breaker with partition of claim 1, wherein: the clamp plates extend out of two sides of the partition plate, the partition plate is provided with a threading hole with an opening at the lower end, a wire is led out of the lower static contact plate, and the wire sequentially passes through the residual current transformer, the current transformer corresponding to the residual current transformer, the magnetic ring corresponding to the residual current transformer, the thermomagnetic mechanism corresponding to the residual current transformer, the threading hole corresponding to the residual current transformer, and the movable contact knife corresponding to the residual current transformer.

3. The intelligent circuit breaker with partition of claim 1 or 2, wherein: the movable contact knife seat supporting plate is arranged below the movable contact knife seat and is clamped and fixed with the movable contact knife seat.