Combined mutual inductor shell structure convenient to assemble and produce

Abstract

The utility model discloses a combined mutual inductor shell structure convenient to assemble and produce, and belongs to the technical field of combined mutual inductors. A combined mutual inductor shell structure convenient to assemble and produce comprises a mutual inductor shell and further comprises a connector, the connector is located on the upper side of the mutual inductor shell, a mounting frame is arranged below the mutual inductor shell, a junction box is arranged on the side face of the mutual inductor shell, an insulating part is arranged outside the connector, a round cover is arranged at one end of the connector, and a clamping groove is formed in the other end of the connector. An adapter is arranged at the other end of the connector and is of a hollow structure. In order to solve the problems that a combined type mutual inductor shell is inconvenient to assemble and produce and a joint is relatively dangerous when exposed outside, the mutual inductor shell is made of silica gel instead of metal, so that the mutual inductor shell has the characteristics of environmental erosion resistance and high plasticity, and the joint is prevented from being exposed outside by being accommodated in an adapter, so that the production cost is reduced, and the production efficiency is improved. Potential safety hazards are reduced, and the possibility of electric shock of personnel is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of combined transformers, in particular to a combined transformer housing structure that is convenient for assembly and production. Background Art

[0002] A combined transformer is a device that integrates the functions of a voltage transformer and a current transformer. It is mainly used for electric energy metering and protection in the power system. It is a precision device that combines the functions of a voltage transformer and a current transformer, and is mainly applied to measure and control voltage and current in the power system. The design of this transformer aims to provide a compact, efficient and accurate way to simultaneously process the conversion of high voltage and large current into low voltage signals for easy monitoring and analysis.

[0003] The existing production process of transformer housings are all heavy metal housings. First, the iron core is fixed, then other materials are filled into the interior, and finally demolding is carried out.

[0004] The above method has the problems that the combined transformer housing is not convenient for assembly and production and the joints are exposed outside, which is relatively dangerous; therefore, it does not meet the existing requirements, and for this reason, a combined transformer housing structure that is convenient for assembly and production is proposed. Content of the Utility Model

[0005] The purpose of the utility model is to provide a combined transformer housing structure that is convenient for assembly and production. By replacing the material of the transformer housing from metal with silicone, the weight of the transformer housing is reduced, and at the same time, it has the characteristics of resistance to environmental erosion and strong plasticity; by setting a transfer piece at one end of the joint and a round cover at the other end of the joint, after the joint is connected to the high-voltage wire, it is placed inside the transfer piece, and the round cover is fixed on the transformer housing, so that the joint is received inside the transfer piece, avoiding the leakage of the joint, and the problems in the prior art can be solved.

[0006] To achieve the above purpose, the utility model provides the following technical solution: A combined transformer housing structure that is convenient for assembly and production, including a transformer housing, and further including a joint. The joint is located on the upper side of the transformer housing. An installation frame is arranged below the transformer housing, and a junction box is arranged on the side of the transformer housing. An insulating part is arranged outside the joint. A round cover is arranged at one end of the joint, and a transfer piece is arranged at the other end of the joint. A guide plate is arranged on the side of the joint, and a first through hole is arranged inside the joint. The transfer piece is of a hollow structure, the joint is received inside the transfer piece, and a spring and a column are arranged on the side of the transfer piece.

[0007] Preferably, the transformer housing is made of silicone material, terminals are arranged inside the junction box, and the installation frame is a U-shaped steel plate structure.

[0008] Preferably, the insulating member is threadedly connected to the round cover. A second groove is provided inside the insulating member, and a second through hole is provided on the side surface of the round cover.

[0009] Preferably, one end of the adapter is provided with a wire. A spring piece is provided inside the adapter. First grooves are provided on both sides of the current transformer housing, and the guide plate is located inside the first groove.

[0010] Preferably, one end of the spring is provided with a hollow cylinder, and the other end of the spring is provided with a spring seat. One end of the hollow cylinder is provided with a fixing block. The hollow cylinder is connected to the adapter, the spring seat is installed on the column, and a limiting member is provided at one end of the column.

[0011] Preferably, the outer diameter of the spring seat is smaller than the inner diameter of the hollow cylinder. The limiting member is sleeved on one end of the adapter, and the limiting member is in contact with the guide plate.

[0012] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0013] 1. By replacing the material of the current transformer housing from metal with silicone, the present utility model reduces the weight of the current transformer housing, and at the same time has the characteristics of environmental erosion resistance and strong plasticity. Its surface is smooth and does not rust, and it is easy to demold. The production efficiency is three to four times higher than that of the traditional one.

[0014] 2. By providing an adapter at one end of the joint and a round cover at the other end of the joint, after the high-voltage wire passes through the round cover and is connected to the joint, the operator pushes the joint into the inside of the adapter and fixes the round cover on the insulating member, so that the joint is received inside the adapter. At this time, the spring is in a compressed state. When the round cover is removed, the joint is ejected by the spring, so that the joint can be received inside the adapter without affecting the use, reducing potential safety hazards and the possibility of electric shock to personnel. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is the overall front view of the present utility model;

[0016] Figure 2 is the partial structural schematic diagram of the limiting member of the present utility model;

[0017] Figure 3 is the partial structural schematic diagram of the adapter of the present utility model;

[0018] Figure 4 is the partial structural schematic diagram of the round cover of the present utility model.

[0019] In the figure: 1. Transformer housing; 101. Mounting bracket; 102. Junction box; 1021. Terminal; 2. Connector; 201. First through hole; 202. Guide plate; 3. Adapter; 301. Conducting wire; 302. First groove; 303. Elastic sheet; 4. Round cover; 401. Second through hole; 5. Limiting part; 501. Column; 502. Spring seat; 503. Spring; 504. Hollow cylinder; 505. Fixed block; 6. Insulating part; 601. Thread; 602. Second groove. Detailed implementation mode

[0020] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0021] To solve the problems that the combined transformer housing is inconvenient for assembly and production and the connector is exposed outside and relatively dangerous, please refer to Figures 1-4 , an embodiment provided by the present invention: a combined transformer housing structure convenient for assembly and production, including a transformer housing 1, and further including a connector 2. The connector 2 is located above the transformer housing 1. A mounting bracket 101 is arranged below the transformer housing 1. A junction box 102 is arranged on the side of the transformer housing 1. An insulating part 6 is arranged outside the connector 2. A round cover 4 is arranged at one end of the connector 2. A transfer piece 3 is arranged at the other end of the connector 2. A guide plate 202 is arranged on the side of the connector 2. A first through hole 201 is arranged inside the connector 2. The transfer piece 3 is of a hollow structure. The connector 2 is received inside the transfer piece 3. A spring 503 and a column 501 are arranged on the side of the transfer piece 3.

[0022] The transformer housing 1 is made of silicone material. Terminals 1021 are arranged inside the junction box 102. The mounting bracket 101 is of a U-shaped steel plate structure. The material of the transformer housing 1 is replaced from metal to silicone, which reduces the weight of the transformer housing 1. At the same time, it has the characteristics of resistance to environmental erosion and strong plasticity. Its surface is smooth and does not rust, and it is easy to demold. The production efficiency is three to four times higher than that of the traditional one, further improving the economic benefits.

[0023] The insulating part 6 and the round cover 4 are connected by a thread 601. A second groove 602 is provided inside the insulating part 6, and a second through hole 401 is provided on the side surface of the round cover 4. One end of the adapter 3 is provided with a wire 301, and a spring piece 303 is provided inside the adapter 3. First grooves 302 are provided on both sides of the mutual inductor housing 1. The guide plate 202 is located inside the first groove 302. One end of the spring 503 is provided with a hollow cylinder 504, the other end of the spring 503 is provided with a spring seat 502. One end of the hollow cylinder 504 is provided with a fixing block 505. The hollow cylinder 504 is connected to the adapter 3. The spring seat 502 is installed on the column 501. One end of the column 501 is provided with a limiting member 5. The outer diameter of the spring seat 502 is smaller than the inner diameter of the hollow cylinder 504. The limiting member 5 is sleeved on one end of the adapter 3. The limiting member 5 is in contact with the guide plate 202.

[0024] After the high-voltage wire passes through the second through hole 401 and is connected to the first through hole 201 on the joint 2, the person pushes the joint 2 into the inside of the adapter 3, and fixes the round cover 4 on the insulating part 6. The spring 503 is in a compressed state, so that the joint 2 is received inside the adapter 3. At this time, the joint 2 and the wire 301 are connected by the spring piece 303. When the round cover 4 is removed, the spring 503 pushes the limiting member 5 to move, and the limiting member 5 then pushes the guide plate 202 to move, so that the joint 2 pops out, enabling the joint 2 to be received inside the adapter 3 without affecting the use, reducing potential safety hazards and the possibility of electric shock to personnel, and further improving reliability.

[0025] Working principle: The high-voltage wire first passes through the round cover 4 and is connected to the joint 2. Then the person pushes the joint 2 into the inside of the adapter 3, and finally fixes the round cover 4 to the insulating part 6, so that the joint 2 is received inside the adapter 3, thus avoiding the joint 2 being exposed outside, reducing potential safety hazards and the possibility of electric shock to personnel.

[0026] It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variation thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements not only includes those elements, but also includes other elements not expressly listed, or elements inherent to such process, method, article or device.

[0027] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A combined transformer housing structure that is easy to assemble and produce, comprising a transformer housing (1), characterized in that: The invention also comprises a joint (2), wherein the joint (2) is located on the upper side of the transformer housing (1), a mounting frame (101) is arranged below the transformer housing (1), a junction box (102) is arranged on the side of the transformer housing (1), an insulating member (6) is arranged outside the joint (2), a round cover (4) is arranged at one end of the joint (2), an adapter (3) is arranged at the other end of the joint (2), a guide plate (202) is arranged on the side of the joint (2), a first through hole (201) is arranged inside the joint (2), the adapter (3) is a hollow structure, the joint (2) is accommodated inside the adapter (3), and a spring (503) and a column (501) are arranged on the side of the adapter (3).

2. A combined transformer housing structure that is easy to assemble and produce according to claim 1, characterized in that: The transformer housing (1) is made of silica gel, a terminal (1021) is arranged inside the junction box (102), and the mounting frame (101) is a U-shaped steel plate structure.

3. A combined transformer housing structure that is easy to assemble and produce according to claim 1, characterized in that: The insulating member (6) is connected to the round cover (4) via a thread (601); a second groove (602) is provided inside the insulating member (6); and a second through hole (401) is provided on the side of the round cover (4).

4. The combined transformer housing structure that is easy to assemble and produce according to claim 1 is characterized in that: A conductive wire (301) is disposed at one end of the adapter (3), a spring sheet (303) is disposed inside the adapter (3), first grooves (302) are disposed on both sides of the transformer housing (1), and the guide plate (202) is located inside the first groove (302).

5. The combined transformer housing structure that is easy to assemble and produce according to claim 1 is characterized in that: A hollow cylinder (504) is provided at one end of the spring (503), a spring seat (502) is provided at the other end of the spring (503), a fixing block (505) is provided at one end of the hollow cylinder (504), the hollow cylinder (504) is connected to the adapter (3), the spring seat (502) is installed on the column (501), and a limiting member (5) is provided at one end of the column (501).

6. A combined transformer housing structure that is easy to assemble and produce according to claim 5, characterized in that: The outer diameter of the spring seat (502) is smaller than the inner diameter of the hollow cylinder (504), the limiting member (5) is sleeved on one end of the adapter (3), and the limiting member (5) is in contact with the guide plate (202).

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