Anti-explosion equipment

Abstract

The utility model relates to the technical field of current transformer bases, in particular to anti-explosion equipment which comprises a current transformer base, a strip-shaped groove is formed in one side of the current transformer base, positioning seats are arranged on the two sides of the strip-shaped groove, the positioning seats are fixedly connected with the current transformer base, an anti-explosion assembly is installed on the strip-shaped groove, and the anti-explosion assembly is fixedly connected with the current transformer base. The explosion-proof assembly is fixedly connected with the current transformer base in a sealed mode. According to the explosion-proof current transformer, the strip-shaped groove is formed in one side of the base of the current transformer, and the strip-shaped groove is sealed and shielded through the explosion-proof assembly, so that the internal constant-voltage state during normal use can be ensured, and the explosion-proof lens can be squeezed and broken by suddenly changed high voltage when combustion or local explosion occurs in the current transformer; the purpose of quick pressure relief through the strip-shaped groove is achieved, larger-scale explosion is prevented, and meanwhile splashing of fragments can be reduced by adopting the special anti-explosion lens.

Description

Technical Field

[0001] The utility model relates to the technical field of current transformer bases, and particularly relates to an explosion-proof device. Background Art

[0002] A current transformer generally includes a primary wiring terminal, a connection cover, a bushing, a body, a junction box, a housing, and a base. The bottom of the body is disposed on the base, fixed by the housing, and then other components such as bushings are installed on the upper part of the body.

[0003] The existing Chinese patent with the publication number CN105244158A discloses a current transformer, including an oil conservator, a porcelain box, and a base. The oil conservator, the porcelain box, and the base are arranged in sequence from top to bottom. The oil conservator is seamlessly connected to the porcelain box, and the porcelain box is fixedly connected to the base. Transformer oil is provided in the oil conservator and the porcelain box. An oil level gauge and a primary wiring terminal are provided on the oil conservator. A protection gap is provided between the oil conservator and the base. A primary winding, a secondary winding, and an iron core are provided in the porcelain box. The primary wiring terminal is electrically connected to the primary winding.

[0004] Regarding the above related technologies, it is found that since the existing current transformer base needs to ensure a constant internal pressure state, the base adopts a sealed structure. Once a fire occurs inside during use, corresponding explosion phenomena will occur, easily leading to danger. Summary of the Utility Model

[0005] The utility model solves the problems in the related technologies and provides an explosion-proof device.

[0006] To solve the above technical problems, the utility model is realized through the following technical solutions:

[0007] An explosion-proof device includes a current transformer base. A strip-shaped groove is provided on one side of the current transformer base. Positioning seats are provided on both sides of the strip-shaped groove. The positioning seats are fixedly connected to the current transformer base. An explosion-proof component is installed on the strip-shaped groove. The explosion-proof component is hermetically and fixedly connected to the current transformer base. A protection component is inserted and installed on the positioning seat. The protection component is fixedly connected to the positioning seat.

[0008] As a preferred solution, an installation groove corresponding to the strip-shaped groove is provided on the outer side surface of the current transformer base. A plurality of threaded holes are provided in the installation groove.

[0009] As a preferred solution, the explosion-proof component includes a metal pressing frame and an explosion-proof lens. The explosion-proof lens is disposed inside the metal pressing frame, and the explosion-proof lens is fixedly installed in the installation groove.

[0010] As a preferred solution, a positioning groove for positioning and installing the explosion-proof lens is provided on the inner side surface of the metal pressing frame, and a connection hole corresponding to the threaded hole is provided on the metal pressing frame.

[0011] As a preferred solution, the protection component includes a wire frame and a connection seat. The connection seat is fixedly installed at both ends of the wire frame, and the connection seat is inserted and fixed in the positioning seat.

[0012] As a preferred solution, an auxiliary baffle is installed at the upper end of the wire frame, and the auxiliary baffle is fixedly connected to the wire frame.

[0013] As a preferred solution, the connection seat includes a limiting plate and an insertion block. The insertion block is arranged on the outer side of the limiting plate, and the insertion block is integrally formed with the limiting plate.

[0014] Compared with the prior art, the beneficial effects of the present utility model are as follows: by providing a strip-shaped groove on one side of the current transformer base and sealing and shielding the strip-shaped groove through the explosion-proof component, the constant pressure state inside can be ensured during normal use. When combustion or local explosion occurs inside, the suddenly changed high pressure can squeeze and break the explosion-proof lens, achieving the purpose of quickly relieving pressure through the strip-shaped groove, preventing a larger-scale explosion. At the same time, the use of a special explosion-proof lens can reduce the splashing of fragments, and further protection is carried out through the setting of the protection component, greatly increasing the use safety of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is an exploded structural schematic diagram of the overall structure of the present utility model;

[0016] Figure 2 is Figure 1 a perspective view of the current transformer base shown;

[0017] Figure 3 is Figure 1 an exploded structural schematic diagram of the explosion-proof component shown;

[0018] Figure 4 is Figure 1 a perspective view of the protection component shown;

[0019] Figure 5 is Figure 4 a bottom view of the device shown.

[0020] In the figure: 1. Current transformer base; 11. Strip-shaped groove; 12. Positioning seat; 13. Installation groove; 131. Threaded hole; 2. Explosion-proof component; 21. Metal pressing frame; 211. Positioning groove; 212. Connection hole; 22. Explosion-proof lens; 3. Protection component; 31. Wire frame; 311. Auxiliary baffle; 32. Connection seat; 321. Limiting plate; 322. Insertion block. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0021] The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part rather than all of the embodiments of the present invention. The description of at least one exemplary embodiment is actually only illustrative and in no way restrictive of the present invention and its application or use. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0022] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular forms are also intended to include the plural forms. In addition, it should be understood that when the terms "comprising" and / or "including" are used in this specification, they specify the presence of features, steps, operations, devices, components, and / or combinations thereof.

[0023] Unless otherwise specifically stated, the relative arrangements of components and steps, numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present invention. At the same time, it should be understood that, for the sake of convenience of description, the dimensions of the various parts shown in the drawings are not drawn in actual proportional relationships. Technologies, methods, and devices known to those of ordinary skill in the relevant art may not be discussed in detail, but where appropriate, the technologies, methods, and devices should be regarded as part of the authorization specification. In all the examples shown and discussed here, any specific value should be construed as merely exemplary and not as a limitation. Therefore, other examples of the exemplary embodiments may have different values. It should be noted that like reference numerals and letters denote like items in the following drawings, and thus, once an item is defined in one drawing, further discussion thereof is not required in subsequent drawings.

[0024] In the description of the present invention, it should be understood that the orientation or positional relationships indicated by orientation words such as "front, rear, upper, lower, left, right", "lateral, vertical, perpendicular, horizontal", and "top, bottom" are generally based on the orientation or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description. Without contrary description, these orientation words do not indicate and imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and thus should not be construed as limiting the protection scope of the present invention; the orientation words "inner, outer" refer to the inside and outside relative to the contour of each component itself.

[0025] For ease of description, spatial relative terms such as "above", "over", "on the upper surface", "upper" etc. can be used here to describe the spatial positional relationship between a device or feature shown in the figure and other devices or features. It should be understood that spatial relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figure for the device. For example, if the device in the attached drawing is inverted, a device described as "above or over other devices or structures" will then be positioned "below or under other devices or structures". Thus, the exemplary term "above" can include both the orientations of "above" and "below". The device can also be positioned in other different ways (rotated 90 degrees or in other orientations), and corresponding interpretations are made for the spatial relative descriptions used here.

[0026] In addition, it should be noted that the use of terms such as "first", "second" etc. to define components is only for the convenience of differentiating the corresponding components. Without additional statements, the above terms have no special meanings, and thus should not be construed as limiting the protection scope of the present utility model.

[0027] Refer to Figure 1 、 Figure 2 and Figure 3 As shown in

[0028] Refer to Figure 1and Figure 3 As shown in the figure, the explosion-proof component 2 includes a metal pressing frame 21 and an explosion-proof lens 22. The explosion-proof lens 22 is arranged inside the metal pressing frame 21 and is fixedly installed in the installation groove 13. By setting the structure of the explosion-proof component 2, it can be ensured that the explosion-proof lens 22 can be pressed and fixed in the installation groove 13 by the metal pressing frame 21 during use. A positioning groove 211 for positioning and installing the explosion-proof lens 22 is provided on the inner side surface of the metal pressing frame 21, and a connection hole 212 corresponding to the threaded hole 131 is provided on the metal pressing frame 21. By setting the positioning groove 211, it can be ensured that the explosion-proof lens 22 is limited, ensuring that the installation of the explosion-proof lens 22 is more stable. At the same time, by setting the connection hole 212, it is easy for the bolt to pass through.

[0029] Referring to Figure 4 and Figure 5 As shown in the figure, the protection component 3 includes a grid frame 31 and a connection seat 32. The connection seat 32 is fixedly installed at both ends of the grid frame 31, and the connection seat 32 is inserted and fixed in the positioning seat 12. By setting the structure of the protection component 3, it can be ensured that the connection seats 32 are provided at both ends of the grid frame 31, facilitating insertion of the connection seats 32 into the positioning seats 12 during use, and then fixed and connected by bolts. An auxiliary baffle 311 is installed at the upper end of the grid frame 31, and the auxiliary baffle 311 is fixedly connected to the grid frame 31. By setting the auxiliary baffle 311, it can be ensured that the upper end is protected, thereby achieving a more comprehensive protection effect. The connection seat 32 includes a limiting plate 321 and an insertion block 322. The insertion block 322 is arranged outside the limiting plate 321, and the insertion block 322 is integrally formed with the limiting plate 321. By setting the structure of the connection seat 32, it can be ensured that the connection seat 32 is fixedly connected to the grid frame 31 by the limiting plate 321 during use, and at the same time, the insertion block 322 is used to insert into the positioning seat 12 for connection.

[0030] In this embodiment, during actual installation, first, the explosion-proof lens is assembled in the positioning groove of the metal pressing frame, then the combined explosion-proof component is pressed into the positioning seat of the current transformer base, and then the bolt passes through the connection hole and is connected to the threaded hole, so that it can be ensured that the explosion-proof component seals and blocks the strip-shaped groove. Finally, the insertion block on the protection component is inserted into the positioning seat, and the longitudinal screw passes through the insertion block and the positioning seat to achieve mutual fixation.

[0031] The above is the preferred embodiment of the present invention. Those skilled in the art of the present invention can also make changes and modifications to the above embodiment. Therefore, the present invention is not limited to the above specific embodiment. Any obvious improvement, replacement or variation made by those skilled in the art based on the present invention belongs to the protection scope of the present invention.

Claims

1. An explosion-proof device, comprising a current transformer base (1), characterized in that: A strip groove (11) is provided on one side of the current transformer base (1), positioning seats (12) are provided on both sides of the strip groove (11), the positioning seats (12) are fixedly connected to the current transformer base (1), an explosion-proof component (2) is installed on the strip groove (11), the explosion-proof component (2) is sealed and fixedly connected to the current transformer base (1), a protection component (3) is plugged and installed on the positioning seat (12), and the protection component (3) is fixedly connected to the positioning seat (12).

2. The explosion-proof device according to claim 1, characterized in that: An installation groove (13) corresponding to the strip groove (11) is provided on the outer side surface of the current transformer base (1), and a plurality of threaded holes (131) are provided in the installation groove (13).

3. An explosion-proof device according to claim 2, characterized in that: The explosion-proof component (2) comprises a metal pressing frame (21) and an explosion-proof lens (22); the explosion-proof lens (22) is arranged on the inner side of the metal pressing frame (21), and the explosion-proof lens (22) is fixedly mounted in the mounting groove (13).

4. The explosion-proof device according to claim 3, characterized in that: A positioning groove (211) for positioning and installing the explosion-proof lens (22) is provided on the inner side surface of the metal pressing frame (21), and a connecting hole (212) corresponding to the threaded hole (131) is provided on the metal pressing frame (21).

5. The explosion-proof device according to claim 4, characterized in that: The protection assembly (3) comprises a grid frame (31) and a connecting seat (32), wherein the connecting seat (32) is fixedly mounted at two ends of the grid frame (31), and the connecting seat (32) is plugged and fixed in the positioning seat (12).

6. The explosion-proof device according to claim 5, characterized in that: An auxiliary baffle (311) is installed at the upper end of the grid frame (31), and the auxiliary baffle (311) is fixedly connected to the grid frame (31).

7. The explosion-proof device according to claim 6, characterized in that: The connecting seat (32) comprises a limiting plate (321) and an insert block (322); the insert block (322) is arranged outside the limiting plate (321), and the insert block (322) and the limiting plate (321) are integrally formed.

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