High-voltage mutual inductor shielding integrated clamping piece

The design of the shielded integrated clamp simplifies the assembly process of the high-voltage transformer, improves assembly efficiency and safety performance, stabilizes the electric field distribution, reduces costs, and solves the problems of complex assembly and high risk in the existing technology.

CN223436399UActive Publication Date: 2025-10-14CHANGZHOU TOSHIBA TRANSFORMER
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Patent Information

Application Number
CN202422559865.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-23
Publication Date
2025-10-14
Estimated Expiration
2034-10-23

AI Technical Summary

Technical Problem

During the assembly process of existing high-voltage transformers, the large number of clamps and shielding components leads to long assembly time and great difficulty, and there is a risk of assembly errors, which affects production efficiency and safety performance.

Method used

The shielded integrated clamps are used to integrate the clamping plate and multiple sets of shielding components. The iron core is fixed with four sets of shielded integrated clamps and bolts and nuts, which reduces the number of parts, simplifies the assembly process, and stabilizes the electric field by using the smooth surface and specific shape.

Benefits of technology

It improves assembly efficiency, reduces the risk of assembly errors, stabilizes the electric field distribution, reduces costs, and improves the safety performance and economic benefits of high-voltage transformers.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of high-voltage mutual inductors, and discloses a high-voltage mutual inductor shielding integrated clamping piece which comprises an iron core, two sets of coils are fixedly arranged on the outer wall of the top of the iron core, a high-voltage shield is fixedly arranged between the two sets of coils, and shielding integrated clamping pieces are arranged on the front sides and the rear sides of the left end and the right end of the iron core. Four groups of shielding integrated clamping pieces are arranged, and each shielding integrated clamping piece comprises a clamping plate surface attached to the outer wall of the iron core. According to the utility model, the clamping plates and the multiple groups of shielding assemblies are integrated through the shielding integrated clamping pieces, so that the device needs fewer parts during assembly, and compared with a traditional device, the device clamps and fixes the iron core through the four groups of shielding integrated clamping pieces, the bolts and the nuts, so that the device needs fewer parts to be assembled, and the assembly efficiency is high; the production efficiency is improved, the assembly difficulty is reduced, risks caused by assembly errors are avoided, the safety performance of the high-voltage mutual inductor is improved, and the quality is reliable.
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Description

TECHNICAL FIELD

[0001] The utility model relates to high -tension mutual -inductor technical field more specifically, the utility model relates to high -tention mutual -inductor shielding integrated clamp piece. BACKGROUND

[0002] High -tension mutual -inductor is a kind of electric power transformer, mainly used in 1kv to 220kv electric power system, it can measure the current and voltage of high -voltage loop, and when needed, it is transferred to low -voltage loop, provides necessary information for electric power metering and protection equipment, simultaneously, high -tension mutual -inductor can also isolate high -voltage loop and low -voltage loop, prevent electric leakage, and provide signal when fault occurs, trigger protection relay, to prevent equipment from being damaged, thereby guaranteeing the stable operation of electric power system.

[0003] At present, commonly used high -tension mutual -inductor is assembled by multiple components, since ordinary clamp piece does not have shielding function, needs to use clamp and limit block, fixes high -voltage shielding and multiple low -voltage shielding and iron core to form a complete high -tension mutual -inductor.

[0004] However, the current high -tension mutual -inductor when assembling, since shielding component and clamp piece are more, the time required when assembling is also longer, each usually needs to spend four hours to assemble, affects production efficiency, and assembling component is also large in difficulty, and the assembly failure degree of staff is also increased, affects the risk of high -tension mutual -inductor, thus needs an integrated clamp piece to improve complicated assembly component. UTILITY MODEL CONTENT

[0005] In order to overcome the defects of prior art, the utility model provides high -tension mutual -inductor shielding integrated clamp piece, has the advantages of convenient assembly, optimizing electric field.

[0006] To achieve the above object, the utility model provides the following technical scheme: high -tension mutual -inductor shielding integrated clamp piece, including iron core, the top outer wall of iron core is fixedly arranged with two groups of coils, two groups of coils are fixedly arranged with high -voltage shielding between, the front and back sides of the left and right ends of iron core are provided with shielding integrated clamp piece;

[0007] The shielding integrated clamp piece has four groups, including the clamping plate surface that is attached with the outer wall of iron core, the bottom of clamping plate surface is fixedly installed with mounting base, the inside of mounting base is provided with mounting hole, the side of clamping plate surface is fixedly installed with shielding plate surface, the inside of clamping plate surface is provided with mounting hole, and the shielding integrated clamp piece is responsible for clamping iron core.

[0008] As a preferred technical scheme of the utility model, the shielding plate surface is vertical, and the top of shielding plate surface is inclined outward.

[0009] As a preferred technical scheme of the utility model, the iron core is stacked by 0.3mm silicon steel sheets, and a reserved hole is arranged in the iron core.

[0010] As a preferred technical scheme of the utility model, a bolt is arranged at one end of the front clamping plate surface, the rear end of the bolt penetrates the mounting hole and the reserved hole and is located at the outer wall of the rear clamping plate surface, and the rear end of the bolt is threadedly connected with the nut.

[0011] As a preferred technical scheme of the utility model, the inner end of the clamping plate surface and the shielding plate surface is polished smooth, and is responsible for stabilizing the electric field.

[0012] As a preferred technical scheme of the utility model, the clamping plate surface, the mounting base and the shielding plate surface are all made of iron.

[0013] Compared with the prior art, the utility model has the beneficial effects as follows:

[0014] 1、 the utility model discloses a shielding integrated clamp piece integrates the clamping plate and multiple shielding assemblies, so that the device needs less parts when assembling, compared with the traditional device, the device is clamped and fixed to the iron core through four shielding integrated clamps, bolts and nuts, needs less parts when assembling, is simple to assemble, and has high assembling efficiency, improves production efficiency, reduces assembling difficulty, avoids the risk caused by assembling failure, improves the safety performance of the high-voltage mutual inductor, and is reliable in quality.

[0015] 2、 the utility model discloses that the smooth surface and the specific shape of the shielding plate surface and the clamping plate surface stabilize the electric field, so that the distribution of electric charges is more uniform, and the electric field lines can be better kept smooth, compared with the traditional device, the device can clamp the iron core while stabilizing the electric field, and has less parts, replaces the aluminum parts with iron parts, greatly saves the cost, and improves economic benefits. DRAWINGS

[0016] Figure 1 It is a structural schematic view of the utility model;

[0017] Figure 2 It is a structural schematic view of the utility model shielding integrated clamp piece;

[0018] Figure 3 It is an explosion view of the utility model shielding integrated clamp piece;

[0019] Figure 4 It is a structural schematic view of the utility model bolt;

[0020] Figure 5 It is a structural schematic view of the utility model clamping plate surface.

[0021] In the figure: 1. Iron core; 2. Integrated shielding clamp; 3. High-voltage shield; 4. Coil; 5. Clamping plate; 6. Mounting base; 7. Mounting hole; 8. Shielding plate; 9. Mounting hole; 10. Bolt; 11. Nut; 12. Reserved hole. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0023] like Figures 1 to 5 As shown, the utility model provides a high-voltage transformer shielding integrated clamp, including an iron core 1, two sets of coils 4 are fixedly provided on the top outer wall of the iron core 1, a high-voltage shield 3 is fixedly provided between the two sets of coils 4, and shielding integrated clamps 2 are provided on both the front and rear sides of the left and right ends of the iron core 1;

[0024] There are four groups of shielding integrated clamps 2, including a clamping plate 5 that fits with the outer wall of the iron core 1, a mounting base 6 is fixedly installed on the bottom of the clamping plate 5, and a mounting hole 7 is opened inside the mounting base 6, a shielding plate 8 is fixedly installed on the side of the clamping plate 5, and a mounting hole 9 is opened inside the clamping plate 5. The shielding integrated clamps 2 are responsible for clamping the iron core 1.

[0025] When assembling the high-voltage transformer, the staff first stacks the iron core 1 neatly, and then places the four sets of shielded integrated clamps 2 on the front and back sides of the left and right ends of the iron core 1, and ensures that the clamping plate 5 of the four sets of shielded integrated clamps 2 and the outer wall of the iron core 1 fit together. Then the staff passes the bolt 10 through the clamping plate 5 and the reserved hole 12, so that the rear end of the bolt 10 is located on the outer wall of the rear shielded integrated clamp 2, and then the nut 11 and the bolt 10 are threaded together, and the nut 11 is turned to make the front and rear two sets of shielded integrated clamps 2 clamp the iron core 1 tightly. After the staff clamps the iron core 1 with the shielded integrated clamp 2 After installing the high-voltage shield 3 and the coil 4, the assembly of the high-voltage transformer can be completed. When the high-voltage transformer is in operation, due to the setting of the shielding plate surface 8 of the shielding integrated clamp 2, and the surface of the clamping plate surface 5 and the shielding plate surface 8 facing the inner side is smooth, at this time, since the movement and redistribution of charges on the smooth surface are less hindered, it is not easy for the charges to form local high-density or low-density areas, further making the distribution of charges more uniform, and on the smooth surface, the electric field lines can maintain good continuity and smoothness. At the same time, due to the uniform charge distribution, the direction of the electric field lines changes more evenly, which plays a role in stabilizing the electric field.

[0026] The splint and multiple groups of shielding components are integrated into one by the shielding integrated clamp 2, so that the device requires fewer parts during assembly. Compared with the traditional device, the device clamps and fixes the iron core 1 through four groups of shielding integrated clamps 2 and bolts 10 and nuts 11. It requires fewer parts to assemble, has high assembly efficiency, improves production efficiency, reduces assembly difficulty, avoids risks caused by assembly errors, improves the safety performance of the high-voltage transformer, and ensures reliable quality.

[0027] The shielding plate surface 8 is vertical, and the top of the shielding plate surface 8 is inclined outward.

[0028] The electric field is stabilized by the smooth surface and specific shape of the shielding plate surface 8 and the clamping plate surface 5, so that the distribution of charge is more uniform and the electric field lines can be kept smoother. Compared with traditional devices, this device can clamp the iron core 1 while stabilizing the electric field, and has fewer parts. Traditional aluminum parts are replaced with iron parts, which greatly saves costs and improves economic benefits.

[0029] The iron core 1 is stacked with 0.3 mm silicon steel sheets, and a reserved hole 12 is opened inside the iron core 1 .

[0030] The iron core 1 plays a role in conducting the magnetic field.

[0031] Among them, a bolt 10 is provided at one end of the front clamping plate 5, the rear end of the bolt 10 passes through the mounting hole 9 and the reserved hole 12 and is located on the outer wall of the rear clamping plate 5, and the rear end of the bolt 10 is threadedly connected with the nut 11.

[0032] The two sets of shielding integrated clamps 2 are fixed by bolts 10 and nuts 11 to ensure that the shielding integrated clamps 2 clamp and fix the iron core 1 to prevent the iron core 1 from being dislocated or offset.

[0033] The inner ends of the clamping plate surface 5 and the shielding plate surface 8 are polished and smooth, and are responsible for stabilizing the electric field.

[0034] The movement and redistribution of charges on a smooth surface are less hindered, making their distribution more uniform. Moreover, on a smooth surface, the electric field lines can maintain good continuity and smoothness, further stabilizing the electric field.

[0035] The clamping plate surface 5 , the mounting base 6 and the shielding plate surface 8 are all made of iron.

[0036] Replacing traditional aluminum parts with iron parts saves costs to a great extent.

[0037] The working principle and use process of this utility model:

[0038] In the assembling of the high-voltage transformer, the staff first stacks the iron cores 1 neatly, then places four groups of shielding integrated clamping pieces 2 on the front and back sides of the left and right ends of the iron cores 1, and ensures that the clamping plate surfaces 5 of the four groups of shielding integrated clamping pieces 2 and the outer walls of the iron cores 1 are mutually attached, then the staff passes the bolts 10 through the clamping plate surfaces 5 and the reserved holes 12, so that the rear ends of the bolts 10 are located on the outer walls of the rear shielding integrated clamping pieces 2, then the staff threads the nuts 11 and the bolts 10, and rotates the nuts 11 to make the front and back two groups of shielding integrated clamping pieces 2 clamp and fix the iron cores 1, after the staff clamps and fixes the iron cores 1 through the shielding integrated clamping pieces 2, the high-voltage shielding 3 and the coil 4 are installed, and the assembling of the high-voltage transformer is completed, when the high-voltage transformer operates, due to the arrangement of the shielding plate surfaces 8 of the shielding integrated clamping pieces 2, and the smooth surfaces of the clamping plate surfaces 5 and the shielding plate surfaces 8 face the inner side, at this time, due to the small hindrance of the movement and redistribution of the electric charges on the smooth surfaces, the electric charges are not easy to form local high-density or low-density areas, further making the distribution of the electric charges more uniform, and on the smooth surfaces, the electric field lines can maintain good continuity and smoothness, at the same time, due to the uniform distribution of the electric charges, the direction change of the electric field lines is also more uniform, which plays a role in stabilizing the electric field.

[0039] It should be noted that the relational terms herein such as first and second and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying that there is any such relationship or order between these entities or actions. Also, the terms "comprises", "comprising", or any other variations thereof are intended to cover a non-exclusive inclusion, so that a process, method, article, or apparatus that includes a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0040] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made thereto without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A high-voltage transformer shielding integrated clamp, comprising an iron core (1), characterized in that: Two groups of coils (4) are fixedly provided on the top outer wall of the iron core (1), a high-voltage shield (3) is fixedly provided between the two groups of coils (4), and shielding integrated clamps (2) are provided on both the front and rear sides of the left and right ends of the iron core (1); The shielding integrated clamps (2) are composed of four groups, including a clamping plate (5) that is in contact with the outer wall of the iron core (1), a mounting base (6) fixedly mounted on the bottom of the clamping plate (5), a mounting hole (7) provided inside the mounting base (6), a shielding plate (8) fixedly mounted on the side of the clamping plate (5), a mounting hole (9) provided inside the clamping plate (5), and the shielding integrated clamps (2) are responsible for clamping the iron core (1).

2. The high-voltage transformer shielding integrated clamp according to claim 1, characterized in that: The shielding plate surface (8) is vertical, and the top of the shielding plate surface (8) is inclined outwards.

3. The high-voltage transformer shielding integrated clamp according to claim 1, characterized in that: The iron core (1) is stacked with 0.3 mm silicon steel sheets, and a reserved hole (12) is provided inside the iron core (1).

4. The high-voltage transformer shielding integrated clamp according to claim 1, characterized in that: A bolt (10) is provided at one end of the front clamping plate surface (5), the rear end of the bolt (10) passes through the mounting hole (9) and the reserved hole (12) and is located on the outer wall of the rear clamping plate surface (5), and the rear end of the bolt (10) is threadedly sleeved with a nut (11).

5. The high-voltage transformer shielding integrated clamp according to claim 1, characterized in that: The surfaces of the clamping plate surface (5) and the shielding plate surface (8) facing the inner side are polished and smooth, and are responsible for stabilizing the electric field.

6. The high-voltage transformer shielding integrated clamp according to claim 1, characterized in that: The clamping plate surface (5), the mounting base (6) and the shielding plate surface (8) are all made of iron.