CN220829894U - Arc extinguishing cover - Google Patents

Abstract

The utility model discloses an arc-extinguishing cover, which comprises a shell, wherein a plurality of arc-extinguishing grid sheets are inserted into the shell, reinforcing ribs are arranged on the left side and the right side of the interior of the shell, and fixing grooves capable of being inserted into inserting blocks below the arc-extinguishing grid sheets are formed in the upper side and the lower side of each reinforcing rib. The utility model provides an arc-extinguishing cover which is arranged on a protected device, when a switch of the protected device is positioned in an open-end circuit, current breaks through air to generate an arc, and at the moment, the arc-extinguishing cover with reinforcing ribs at the left side and the right side achieves an arc-extinguishing effect through a shell and a plurality of arc-extinguishing grid sheets, so that the generated arc is eliminated, thereby protecting electronic components, effectively improving the arc-extinguishing capability and the protection effect, and enhancing the strength and the rigidity of the shell.

Description

Arc extinguishing cover

Technical Field

The utility model relates to the technical field of arc extinction of circuit breakers, in particular to an arc-extinguishing cover special for arc extinction of equipment in the deep water field.

Background

The power system has a close relation with the daily life of people, the switch is an important part in the power system, when the circuit is opened through the switch, the current breaks down air to generate an arc, and therefore when the switch contacts are no longer contacted, the circuit is still communicated due to the existence of the arc.

In the prior art, bulletin number: CN216773097U, which is a chinese summary of the utility model, discloses an arc-extinguishing chamber, including a plurality of arc-extinguishing bars, one side fixedly connected with curb plate one at bottom plate top, the spout has been seted up to the opposite side at bottom plate top, the inside fixedly connected with spring of spout, one side fixedly connected with of spring and spout sliding connection's slider, the top fixedly connected with curb plate two of slider, be provided with a plurality of arc-extinguishing bars between curb plate one and the curb plate two, two plugs of both sides of a plurality of arc-extinguishing bars, this scheme assembled mode is comparatively simple, production efficiency has been improved, but in the deep water field is being applied to in practice, damage can appear very easily in the in-process of protection to above-mentioned scheme, and the arc extinguishing effect can be discounted greatly.

Therefore, although the above solution solves the problems of simpler assembly and improved production efficiency, the arc extinguishing capability and protection capability are insufficient, so we need to propose an arc extinguishing chamber dedicated for deep water.

Disclosure of utility model

It is an object of the present utility model to address the above problems and/or disadvantages and to provide advantages which will be described below.

To achieve these objects and other advantages and in accordance with the purpose of the utility model, there is provided an arc extinguishing chamber including a housing into which a plurality of arc extinguishing bars are inserted, wherein reinforcing ribs are provided at both left and right sides of an interior of the housing, and fixing grooves into which insertion blocks under the arc extinguishing bars can be inserted are formed at both upper and lower sides of the reinforcing ribs; wherein the shell is formed by sheet molding compound.

Preferably, the four corners of the outer surface of the shell are provided with socket groups, each socket group comprises a plurality of sockets which are spaced at preset distances and are L-shaped in space, and each arc extinguishing grid sheet is respectively arranged on the corresponding socket.

Preferably, the center of the upper side wall and the lower side wall of the shell are respectively provided with a mounting column, and the mounting columns are internally provided with step-type mounting holes matched with the fixing mechanism;

The shell is characterized in that a fixing column is arranged at the center of a top plate of the shell, and a step type fixing hole matched with the micro switch is formed in the position where the top plate and the fixing column are located.

The utility model at least comprises the following beneficial effects:

The arc extinguishing chamber adopts the design of the reinforcing ribs, so that the strength and the rigidity of the shell are enhanced, and when the arc extinguishing chamber is applied to a undetermined environment, the arc extinguishing chamber is better in structural stability and longer in service life of products.

Secondly, the shell of the arc extinguishing chamber is made of sheet molding compound, so that the arc extinguishing effect and the insulation effect are enhanced.

Drawings

Fig. 1 is a schematic structural view of an arc chute of the present utility model;

FIG. 2 is a schematic view of a part of the enlarged structure of FIG. 1;

FIG. 3 is a schematic cross-sectional view along the central axis of FIG. 1;

FIG. 4 is a schematic cross-sectional view taken along the central axis of FIG. 1 at another view angle;

FIG. 5 is a schematic cross-sectional view from one side view of FIG. 1;

FIG. 6 is a side view schematic of FIG. 1;

FIG. 7 is a schematic bottom view of FIG. 1;

fig. 8 is a schematic structural view of an arc chute sheet according to the present utility model.

Detailed Description

The present utility model is described in further detail below with reference to the drawings to enable those skilled in the art to practice the utility model by referring to the description.

It will be understood that terms, such as "having," "including," and "comprising," as used herein, do not preclude the presence or addition of one or more other elements or groups thereof.

It should be noted that, in the description of the present utility model, the orientation or positional relationship indicated by the term is based on the orientation or positional relationship shown in the drawings, which are merely for convenience of describing the present utility model and simplifying the description, and are not indicative or implying that the apparatus or element to be referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

In the description of the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "configured to," "engaged with," "connected to," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, may be a detachable connection, or may be integrally connected, may be mechanically connected, may be electrically connected, may be directly connected, may be indirectly connected through an intermediate medium, may be communication between two members, and may be understood in a specific manner by those skilled in the art.

Furthermore, in the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be a direct contact of the first and second features, or an indirect contact of the first and second features through an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

The novel experimental model is described in detail below with reference to the accompanying drawings:

Example 1

The structure of the arc-extinguishing cover is shown in figures 1-8, and the arc-extinguishing cover comprises a shell 2 which is inserted with a plurality of arc-extinguishing grid plates 1, wherein the left side and the right side of the interior of the shell are provided with reinforcing ribs 3, the upper side and the lower side of each reinforcing rib are provided with fixing grooves 5 which can be inserted into inserting blocks 4 below the arc-extinguishing grid plates, and the inserting depth of each arc-extinguishing grid plate is limited by the cooperation of the inserting blocks of each arc-extinguishing grid plate and the fixing grooves on the reinforcing ribs;

The shell is made of sheet molding compound, and the arc extinguishing capability and the insulation capability of the arc extinguishing chamber are enhanced by adopting the shell made of sheet molding compound.

Working principle: in practical application, the utility model is arranged on a protected device, when the switch of the protected device is positioned in an open-end circuit, current breaks through air to generate an arc, and at the moment, the arc extinguishing cover with reinforcing ribs at the left side and the right side achieves an arc extinguishing effect through the shell and the arc extinguishing grid plates, so that the generated arc is eliminated, and electronic components are protected. The utility model adopts the design of the reinforcing ribs, enhances the strength and rigidity of the shell, and meanwhile, the shell is formed by adopting the sheet molding compound, so that the arc extinguishing effect and the insulation effect can be effectively enhanced, and the service life of the equipment is ensured.

Example 2

Embodiment 2 is shown in fig. 2 as a preferred example of the present utility model, and the following modifications are disclosed on the basis of embodiment 1:

The four corners of the outer surface of the shell are respectively provided with a socket group 6, each socket group comprises a plurality of sockets which are spaced at preset distances and are L-shaped in space, and each arc extinguishing grid sheet is respectively arranged on the corresponding socket. The arc extinguishing bars piece of this scheme has adopted the split type design of L shape structure for current integral type design, can have the space on the lateral wall of shell and can set up matched with strengthening rib, fixed column to the physical structural stability of additional strengthening, also easy to assemble simultaneously.

Further, the arc-extinguishing grid piece in this scheme can replace according to the condition of difference, does not restrict fixed shape, if can set to arc with L type arc-extinguishing grid piece inside side, wave, zigzag are arbitrary in to make its arc-extinguishing area when using can control, regulate and control its arc-extinguishing effect, make the arc-extinguishing ability have controllability.

Working principle: in practical application, insert each arc extinguishing bars piece respectively and establish on corresponding socket (socket and fixed slot are the intercommunication form in the space), and its degree of depth of inserting cooperates through the fixed slot on each arc extinguishing bars piece's the inserted block and the strengthening rib and prescribes a limit to, and after each arc extinguishing bars piece on the socket group all accomplishes the installation, accessible outside glues the mode and carries out the secondary with each arc extinguishing bars piece and fix to guarantee the stability of equipment structure cooperation.

Example 3

Embodiment 3, which is a preferred embodiment of the present utility model, has a specific structure as shown in fig. 1 to 7, and discloses the following modifications based on embodiment 1:

The center of the upper side wall and the lower side wall of the shell are respectively provided with a mounting column 7, and a step type mounting hole 8 matched with the fixing mechanism is formed in the mounting column;

The top plate center department of shell is provided with fixed column 9, roof and fixed column place are provided with micro-gap switch matched with step fixed orifices 10, increase 8.87 through fixed column place on the top outer wall, dark 3 mm's square step hole for sink into the fixed orifices with micro-gap switch button, realize the electrical isolation.

Working principle: the structural stability of the upper side wall and the lower side wall of the shell is reinforced through the arrangement of the mounting column, and meanwhile, the fixing mechanism (mounting bolt and/or nut) and the internal equipment can be isolated, so that the internal arc extinguishing effect is not influenced.

The above embodiments are merely illustrative of a preferred embodiment, but are not limited thereto. In practicing the present utility model, appropriate substitutions and/or modifications may be made according to the needs of the user.

The number of equipment and the scale of processing described herein are intended to simplify the description of the present utility model. Applications, modifications and variations of the present utility model will be readily apparent to those skilled in the art.

Although embodiments of the utility model have been disclosed above, they are not limited to the use listed in the specification and embodiments. It can be applied to various fields suitable for the present utility model. Additional modifications will readily occur to those skilled in the art. Therefore, the utility model is not to be limited to the specific details and illustrations shown and described herein, without departing from the general concepts defined in the claims and their equivalents.

Claims (3)

1. The arc-extinguishing cover comprises a shell, wherein a plurality of arc-extinguishing grid sheets are inserted into the shell, and the arc-extinguishing cover is characterized in that reinforcing ribs are arranged on the left side and the right side of the interior of the shell, and fixing grooves capable of being inserted into inserting blocks below the arc-extinguishing grid sheets are formed in the upper side and the lower side of each reinforcing rib;

wherein the shell is formed by sheet molding compound.

2. An arc chute according to claim 1 wherein the four corners of the outer surface of the housing are provided with socket sets, each socket set comprising a plurality of spaced apart sockets of a predetermined distance and having a spatially L-shape, each arc chute sheet being mounted to a respective socket.

3. The arc extinguishing chamber according to claim 1, wherein a mounting post is respectively arranged at the center of the upper side wall and the lower side wall of the shell, and a step type mounting hole matched with the fixing mechanism is formed in the mounting post;

The shell is characterized in that a fixing column is arranged at the center of a top plate of the shell, and a step type fixing hole matched with the micro switch is formed in the position where the top plate and the fixing column are located.