CN212625124U - Secondary framework of 100kVA high-voltage pulse transformer - Google Patents

Abstract

The utility model provides a 100kVA high voltage pulse transformer secondary skeleton, limiting plate (2), first skeleton curb plate (3), second skeleton curb plate (4) and mount (5) about it includes skeleton intersegmental division baffle (1), skeleton, use the nylon bolt fastening between each part to constitute after. The high-voltage pulse transformer secondary framework of the utility model adopts simple material processing and convenient winding process, and uses the framework inter-segment isolation plate for inter-segment isolation to meet the requirements of electrical safety and structural strength of the high-voltage transformer framework; and the isolation voltage between the sections is high, and displacement cannot occur during vibration of each section.

Description

Secondary framework of 100kVA high-voltage pulse transformer

Technical Field

The utility model belongs to the technical field of power supply vary voltage, a 100kVA high-voltage pulse transformer secondary skeleton is related to, its wide application in high-power high-voltage pulse transformer secondary skeleton.

Background

In the manufacture of high-power high-frequency transformers, the magnetic core of the high-frequency transformer is generally a closed-loop magnetic core. For example, chinese patent CN201420054383.6 discloses a totally enclosed magnetic tank for reactors and transformers, which comprises an upper iron yoke, a lower iron yoke and a central column, wherein the upper iron yoke and the lower iron yoke are made of silicon steel sheets, the central column is made of magnetic strips of soft magnetic powder cores, the silicon steel sheets and the magnetic strips of the soft magnetic powder cores are spliced and butted, and the silicon steel sheets and the soft magnetic powder cores are locked by bolts to form a magnetic conductive loop; and an inductance coil is wound on the outer side of the central column.

In the prior art, a high-voltage coil of a closed magnetic core is wound on a secondary framework in a segmented manner by using high-frequency multi-strand excitation wires, the secondary framework has various manufacturing modes, but most of the current isolation between segments is realized by flanging with insulating paper, the isolation between segments has poor insulation grade, poor vibration resistance and high requirement on a winding process.

SUMMERY OF THE UTILITY MODEL

Based on the needs of reality and production practice, the applicant provides a secondary framework of a 100kVA high-voltage pulse transformer, which is suitable for high-voltage coil winding of a high-power high-frequency transformer.

According to the technical scheme of the utility model, a 100kVA high voltage pulse transformer secondary skeleton is provided, limiting plate, first skeleton curb plate, second skeleton curb plate and mount about it includes skeleton intersegmental division baffle, skeleton, use to constitute after the nylon bolt-up between each part.

Further, the division board is the U type structure between the skeleton section, is provided with first via hole at the perpendicular of U type structure, and the contained angle between the first horizontal rib of U type structure and the first perpendicular is the right angle. Reinforcing ribs are preferably provided at the outer corners of the first horizontal ribs in combination with the first vertical surface.

Further, limiting plate about the skeleton is U type structure, is provided with the second via hole on the plane of the horizontal rib of limiting plate about the skeleton to the second via hole is for setting up in pairs, and every pair of via hole is close to the joint angle department of horizontal rib and second perpendicular.

Furthermore, the inner side face of the second vertical face of the upper limiting plate and the lower limiting plate of the framework is of a boss type structure, a corresponding sixth through hole is formed in the upper boss structure of the boss type structure, and the lower boss structure of the boss type structure is matched with the flat plate of the first framework side plate.

Preferably, the first framework side plate is of a plate-like structure and comprises a flat plate and a combination plate at two side edges of the flat plate. Third through holes are formed in the two end faces of the flat plate, and first screw holes are formed in the plane of the combination plate. The side edge of the combination plate far away from the flat plate is provided with a lug boss.

Further, the height of the boss is adapted to the distance between the upper limit plate and the lower limit plate of the adjacent framework.

In addition, the second framework side plate is of a flat plate structure, a second screw hole is formed in the top end of the flat plate structure, concave platforms are arranged on two sides of the flat plate structure, and the length of each concave platform is matched with the inner distance of the horizontal rib of the U-shaped structure of the partition plate between the framework sections.

Compared with the prior art, the material of the utility model has simple processing and convenient winding process, uses the framework inter-segment isolation plate for inter-segment isolation, and meets the requirements of electrical safety and structural strength of the framework of the high-voltage transformer; and the isolation voltage between the sections is high, and displacement cannot occur during vibration of each section. Furthermore, the utility model discloses adapt to the coiling of high-power high frequency transformer high-voltage line package.

Drawings

Fig. 1 is a schematic diagram of a structure of a framework inter-segment isolation plate of a secondary framework of a 100kVA high-voltage pulse transformer according to the utility model.

Fig. 2 is the basis the utility model discloses a spacing board structure sketch map about skeleton of 100kVA high voltage pulse transformer secondary skeleton.

Fig. 3 is a schematic structural view of a first framework side plate 1 of a secondary framework of a 100kVA high-voltage pulse transformer according to the present invention.

Fig. 4 is a schematic structural view of a second framework side plate 2 of the secondary framework of the 100kVA high-voltage pulse transformer according to the present invention.

Fig. 5 is a schematic view of the structure of the fixing frame of the secondary frame of the 100kVA high voltage pulse transformer according to the present invention.

Fig. 6 is an assembly schematic diagram of a secondary framework of a 100kVA high voltage pulse transformer according to the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1-5, the utility model provides a 100kVA high voltage pulse transformer secondary skeleton, it includes that spacing board 2, first skeleton curb plate 3, second skeleton curb plate 4 and mount 5 constitute after using the fastening of nylon bolt between each part about skeleton intersegmental division 1, skeleton. The preferred epoxy board material of 1 division board between the skeleton section, the preferred epoxy board material of 2 spacing boards about the skeleton, the preferred PTFE material of first skeleton curb plate 3, the preferred PTFE material of second skeleton curb plate 4, the preferred epoxy board material of mount 5.

As shown in fig. 1, the inter-frame spacer 1 has a U-shaped structure, a first through hole 11 is formed in a first vertical surface 14 of the U-shaped structure, an included angle between a first horizontal rib 13 of the U-shaped structure and the first vertical surface 14 is a right angle, and a reinforcing rib is preferably formed at an outer joint angle between the first horizontal rib 13 and the first vertical surface 14. As shown in fig. 2, the upper and lower skeleton limiting plates 2 are U-shaped, second through holes 24 are formed in the planes of the second horizontal ribs 23 of the upper and lower skeleton limiting plates 2, and the second through holes 24 are arranged in pairs, each pair of through holes being close to the joint angle between the horizontal rib and the second vertical plane; the medial surface of the second perpendicular of limiting plate 2 is boss type structure about the skeleton, sets up corresponding sixth via hole 25 in boss type structure's last boss structure 21 department, the lower boss structure 22 of boss type structure and the dull and stereotyped 31 phase-match of first skeleton curb plate 3.

As shown in fig. 3, the first framework side plate 3 is a plate-like structure, and includes a flat plate 31 and a combination plate 32 on two sides of the flat plate, wherein the two end surfaces of the flat plate are provided with third through holes 35, and the plane of the combination plate is provided with a first thread hole 34; a boss 33 is arranged on the side edge of the combination plate 32 far away from the flat plate 31, and the height of the boss 33 is matched with the distance between the upper limiting plate 2 and the lower limiting plate 2 of the adjacent frameworks.

As shown in fig. 4, the second framework side plate is a flat plate structure, the top end of the flat plate structure is provided with a second threaded hole 41, the two sides of the flat plate structure are provided with first concave platforms 42, and the length of the first concave platforms 42 is adapted to the inner distance of the horizontal rib of the U-shaped structure of the inter-framework-segment division plate 1.

As shown in fig. 5, the fixing frame 5 is a flat plate structure with a hollow center, two side concave platforms 51 are arranged on the long side of the flat plate structure, and screw holes are arranged on the upper and lower end faces of the side concave platforms 51; the screw holes on the upper and lower end surfaces of the side concave table 51 are matched with the third via hole 35 of the first framework side plate 3. Two side notches 52 are arranged in the middle of the long side of the flat plate structure and used for grasping a secondary framework of the high-voltage pulse transformer.

As shown in fig. 6, first skeleton curb plate 3 is 90 degrees locks with second skeleton curb plate 4, around the magnetic core, constitute secondary skeleton frame, limiting plate 2 passes through nylon bolt fastening connection with first skeleton curb plate 3 and 4 both ends of second skeleton curb plate about the skeleton, 1 nylon bolts that pass through of division board between the skeleton section, evenly install in the perpendicular of first skeleton curb plate 3, form the isolation between the secondary high-pressure package section, mount 5 uses stainless steel bolted connection with 3 tip of first skeleton curb plate, two fixed high-pressure packages, constitute 100kVA high-voltage pulse transformer secondary skeleton.

The secondary framework of the 100kVA high-voltage pulse transformer can be tightly combined only by fastening and connecting the nylon bolts; through the cooperation between concave station and the boss between each subassembly, not only fasten each subassembly, use the skeleton interlude to keep apart moreover and do the interlude and keep apart, not only satisfy high-voltage transformer skeleton electrical safety and structural strength requirement, it is high still to have realized that the interlude is separated the voltage, can not take place the displacement when every section shakes.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the embodiments of the present invention are all covered by the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (10)

1. The utility model provides a 100kVA high voltage pulse transformer secondary skeleton which characterized in that: the novel framework comprises a framework intersegmental partition board (1), a framework upper and lower limiting board (2), a first framework side board (3), a second framework side board (4) and a fixing frame (5), wherein the framework intersegmental partition board (1), the framework upper and lower limiting board (2), the first framework side board (3), the second framework side board (4) and the fixing frame (5) are fastened by nylon bolts to form the novel framework intersegmental partition board.

2. The secondary skeleton of the 100kVA high-voltage pulse transformer of claim 1, which is characterized in that: the framework inter-section isolation plate (1) is of a U-shaped structure, a first through hole (11) is formed in a first vertical face (14) of the U-shaped structure, and an included angle between a first horizontal rib (13) of the U-shaped structure and the first vertical face (14) is a right angle.

3. The secondary skeleton of the 100kVA high-voltage pulse transformer of claim 2, which is characterized in that: and reinforcing ribs are arranged at the outer joint corners of the first horizontal ribs (13) and the first vertical surface (14).

4. The secondary skeleton of the 100kVA high-voltage pulse transformer of claim 1, which is characterized in that: limiting plate (2) are U type structure about the skeleton, are provided with second via hole (24) on the plane of second horizontal rib (23) of limiting plate (2) about the skeleton to second via hole (24) are for setting up in pairs, and every pair of via hole is close to the joint angle department of horizontal rib and second perpendicular.

5. The secondary skeleton of the 100kVA high-voltage pulse transformer of claim 4, wherein: the medial surface of the second perpendicular of limiting plate (2) is boss type structure about the skeleton, and last boss structure (21) department at boss type structure sets up corresponding sixth via hole (25), dull and stereotyped (31) phase-match of lower boss structure (22) and first skeleton curb plate (3) of boss type structure.

6. The secondary skeleton of the 100kVA high-voltage pulse transformer of claim 1, which is characterized in that: the first framework side plate (3) is of a plate-like structure and comprises a flat plate (31) and combination plates (32) on two side edges of the flat plate.

7. The secondary skeleton of the 100kVA high-voltage pulse transformer of claim 6, which is characterized in that: third through holes (35) are arranged on two end faces of the flat plate, and first wire holes (34) are arranged on the plane of the combination plate.

8. The secondary skeleton of the 100kVA high-voltage pulse transformer of claim 6, which is characterized in that: a boss (33) is arranged on the side edge of the combination plate (32) far away from the flat plate (31).

9. The secondary skeleton of the 100kVA high-voltage pulse transformer of claim 8, wherein: the height of the boss (33) is adapted to the distance between the upper limit plate (2) and the lower limit plate (2) of the adjacent frameworks.

10. The secondary skeleton of the 100kVA high-voltage pulse transformer of claim 1, which is characterized in that: the second framework side plate is of a flat plate structure, a second screw hole (41) is formed in the top end of the flat plate structure, concave platforms (42) are arranged on two side edges of the flat plate structure, and the length of each concave platform (42) is matched with the inner distance of a horizontal rib of a U-shaped structure of the framework inter-section partition plate (1).

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