CN220710092U - Dry-type power transformer core - Google Patents

Abstract

The utility model discloses a dry-type power transformer core, which relates to the technical field of dry-type power transformers and comprises a base and an iron core component, wherein the iron core component is transversely inserted above the base. The utility model provides a dry-type power transformer core, through the setting of iron core subassembly, the bottom plate of ware core body bottom is pegged graft the cooperation with the convex groove of base upper end, and the roof on ware core body top is pegged graft the cooperation with the slot that the opposite face of end seat was seted up, through the cooperation of foundation bolt and foundation hole, and the convenient installation of iron core subassembly is realized in the cooperation of top bolt and top hole, when the ware core body appears damaging needs to change, only need remove foundation bolt and top bolt, slip through roof and bottom plate shifts out the ware core body frame plate, this mode, and is fast, and is efficient, avoided the wholeness dismantlement to cause the loaded down with trivial details problem of flow, also avoided the screw dismouting in-process simultaneously, the circumstances that the ware core body carelessly drops, the suitability is stronger.

Description

Dry-type power transformer core

Technical Field

The utility model relates to the technical field of dry-type power transformers, in particular to a dry-type power transformer core.

Background

The dry power transformer is one kind of transformer, and is a device for changing alternating voltage by utilizing the principle of electromagnetic induction, and has the main functions of: voltage transformation, current transformation, impedance transformation, isolation, voltage stabilization (magnetic saturation transformers), etc., whereas dry power transformer cores are the core structural components inside.

At present, the iron core on the transformer is directly fixed on the link plate through the screw, and the mode of wholeness is fixed, and screw quantity relates to more, and when the iron core damages when needs change, screw dismouting is comparatively loaded down with trivial details, wastes time and energy simultaneously, at screw dismouting in-process, appears the inhomogeneous condition that causes the iron core to drop very easily of atress.

In view of the above, a dry-type power transformer core has been proposed, which is improved against the shortcomings of the conventional structure.

Disclosure of Invention

The present utility model is directed to a dry-type power transformer core, which solves the above-mentioned problems.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a dry-type power transformer core, includes base and iron core assembly, the horizontal grafting in base top has iron core assembly, iron core assembly includes bottom plate, bottom hole, roof and ware core body, two bottom holes have been run through in the bottom plate middle part, and bottom plate top parallel arrangement has the roof, two roof holes have been run through in the roof middle part, and correspond from top to bottom with the bottom hole, roof and bottom plate opposite surface are fixed with ware core body, and ware core body is total three equidistant distributions.

Furthermore, a convex groove is transversely formed in the top end of the base, and an insulating plate is attached to the bottom end of the convex groove.

Further, two bottom bolts are arranged in the middle of the base, and the bottom bolts correspond to the bottom holes in position.

Furthermore, bottom lugs are symmetrically and fixedly arranged on two sides of the base, and the bottom lugs are distributed at the front end and the rear end of the base in a T-shaped structure.

Further, the end seat is arranged above the base in parallel, and the end seat is of a split type structure.

Further, top lugs are fixed on two sides of the end seat, and the top lugs and the bottom lugs are correspondingly arranged.

Further, a connecting frame is connected between the top lug and the bottom lug at the diagonal position, and the connecting frame is of an X-shaped structure.

Furthermore, slots are formed in the inner sides of the opposite surfaces of the front end and the rear end of the end seat, and two top bolts corresponding to the top holes are arranged in the middle of the end seat.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the utility model, through the arrangement of the iron core component, the bottom plate at the bottom end of the device core body is in plug-in fit with the convex groove at the upper end of the base, the top plate at the top end of the device core body is in plug-in fit with the slot formed on the opposite surface of the end seat, and the iron core component is conveniently and rapidly installed through the fit of the bottom bolt and the bottom hole and the fit of the top bolt and the top hole;

2. when the iron core assembly is used, the base forms a stable frame plate with the split type end seat through the connecting frame with the X-shaped structure, the X-shaped structure of the connecting frame enables the whole frame plate to be more stable, the iron core assembly has certain anti-impact and anti-overturning performances, and in addition, the insulating plate attached to the bottom of the convex groove also provides excellent insulating and protecting performances for the iron core assembly, so that the iron core assembly is higher in applicability.

Drawings

FIG. 1 is a schematic diagram of the overall assembly structure of the present utility model;

fig. 2 is a schematic perspective view of a shelf according to the present utility model;

fig. 3 is a schematic perspective view of an iron core assembly according to the present utility model.

In the figure: 1. a base; 2. a convex groove; 3. an insulating plate; 4. a bottom bolt; 5. a bottom ledge; 6. an end seat; 7. a top ledge; 8. a connecting frame; 9. a slot; 10. a top bolt; 11. an iron core assembly; 1101. a bottom plate; 1102. a bottom hole; 1103. a top plate; 1104. a top hole; 1105. a core body.

Detailed Description

Embodiments of the present utility model are described in further detail below with reference to the accompanying drawings and examples. The following examples are illustrative of the utility model but are not intended to limit the scope of the utility model.

As shown in fig. 1 to 3, a dry-type power transformer core comprises a base 1 and an iron core assembly 11, wherein the iron core assembly 11 is transversely inserted above the base 1, the iron core assembly 11 comprises a bottom plate 1101, a bottom hole 1102, a top plate 1103, a top hole 1104 and a core body 1105, two bottom holes 1102 are formed in the middle of the bottom plate 1101 in a penetrating mode, the top plate 1103 is arranged above the bottom plate 1101 in parallel, two top holes 1104 are formed in the middle of the top plate 1103 in a penetrating mode, the top holes 1104 correspond to the bottom holes 1102 up and down, the core body 1105 is fixed on the opposite surface of the top plate 1103 and the bottom plate 1101, the core body 1105 is distributed at equal intervals, the bottom plate 1101 at the bottom end of the core body 1105 is inserted and matched with a convex groove 2 at the upper end of the base 1, the top plate 1103 at the top end of the core body 1105 is inserted and matched with a slot 9 formed on the opposite surface of an end seat 6, when the core body 1105 is replaced, the bottom bolt 4 and the top bolt 10 are conveniently mounted with the top hole 1104, and when the core body 1105 is replaced, the core body is damaged, the top bolt 4 and the top bolt 10 is only needed to be removed, the core body 1105 is removed from the top plate 1103, the whole process is not easy to detach and the core body is avoided, and the problem is avoided due to the fact that the whole process is removed is easy to be removed;

as shown in fig. 1 and 2, the top end of the base 1 is transversely provided with a convex groove 2, the bottom end of the convex groove 2 is attached with an insulating plate 3, the middle of the base 1 is provided with two bottom bolts 4, the bottom bolts 4 are corresponding to the bottom holes 1102, the two sides of the base 1 are symmetrically and fixedly provided with bottom lugs 5, the bottom lugs 5 are distributed at the front end and the rear end of the base 1 in a T-shaped structure, the upper side parallel arrangement of the base 1 is provided with an end seat 6, the end seat 6 is in a split structure, the two sides of the end seat 6 are fixedly provided with top lugs 7, the top lugs 7 are correspondingly arranged with the bottom lugs 5, a connecting frame 8 is connected between the top lugs 7 and the bottom lugs 5 in a diagonal position, the connecting frame 8 is in an X-shaped structure, the base 1 forms a stable frame plate with the split type end seat 6 through the connecting frame 8 in an X-shaped structure, the frame plate is integrally more stable in an anti-impact structure, a certain anti-overturning performance is provided, in addition, the insulating plate 3 attached to the bottom end of the convex groove 2 also provides excellent insulating performance for the iron core assembly 11, the front end seat 6 and the rear end seat 6 is provided with a slot 9 corresponding to the middle of the top bolts 10, and the two opposite ends of the top lugs 6 are correspondingly provided with the top holes 10.

Working principle: when the dry-type power transformer core is used, the base 1 forms a stable frame plate with the split type end seat 6 through the connecting frame 8 of the X-shaped structure, the whole frame plate is more stable due to the arrangement of the X-shaped structure of the connecting frame 8, certain anti-impact and anti-overturning performances are achieved, in addition, the insulating plate 3 attached to the bottom end of the convex groove 2 also provides excellent insulating protection performance for the iron core assembly 11, applicability is stronger, the bottom plate 1101 at the bottom end of the core body 1105 is in plug-in fit with the convex groove 2 at the upper end of the base 1, the top plate 1103 at the top end of the core body 1105 is in plug-in fit with the slot 9 formed on the opposite surface of the end seat 6, the iron core assembly 11 is conveniently installed through the fit of the bottom bolt 4 and the bottom hole 1102, and the top bolt 10 and the top hole 1104, when the core body is damaged and needs to be replaced, the core body is removed from the frame plate through the sliding of the top plate 1103 and the bottom plate 1101, the mode is fast and efficient, the problem that the whole body is detached to cause tedious process is avoided, and meanwhile, the situation that the screw 1105 is not easy to detach is avoided in the core body.

The embodiments of the utility model have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the utility model in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, and to enable others of ordinary skill in the art to understand the utility model for various embodiments with various modifications as are suited to the particular use contemplated.

Claims (8)

1. The utility model provides a dry-type power transformer core, its characterized in that, includes base (1) and iron core subassembly (11), transversely peg graft in base (1) top has iron core subassembly (11), iron core subassembly (11) include bottom plate (1101), bottom hole (1102), roof (1103), roof hole (1104) and ware core body (1105), two bottom holes (1102) have been seted up in the middle part of bottom plate (1101), and bottom plate (1101) top parallel arrangement has roof (1103), two roof holes (1104) have been seted up in the middle part of roof (1103), and roof hole (1104) correspond from top to bottom with bottom hole (1102), roof (1103) are fixed with ware core body (1105) with bottom plate (1101) opposite face, and ware core body (1105) are equal interval distribution altogether three.

2. A dry power transformer core according to claim 1, characterized in that the top end of the base (1) is transversely provided with a convex groove (2), and the bottom end of the convex groove (2) is attached with an insulating plate (3).

3. A dry power transformer core according to claim 1, characterized in that two bottom bolts (4) are arranged in the middle of the base (1), and the bottom bolts (4) correspond to the bottom holes (1102).

4. A dry-type power transformer core according to claim 1, characterized in that bottom lugs (5) are symmetrically and fixedly arranged on both sides of the base (1), and the bottom lugs (5) are distributed on the front and rear ends of the base (1) in a T-shaped structure.

5. A dry power transformer core according to claim 1, characterized in that the end seats (6) are arranged in parallel above the base (1), and the end seats (6) are of a split type structure.

6. A dry power transformer core according to claim 5, characterized in that the top lugs (7) are fixed on both sides of the end base (6), and the top lugs (7) are arranged corresponding to the bottom lugs (5).

7. A dry power transformer core according to claim 6, characterized in that a connection frame (8) is connected between the top lug (7) and the diagonally positioned bottom lug (5), and that the connection frame (8) has an "X" -shaped structure.

8. A dry-type power transformer core according to claim 5, characterized in that the inner sides of the opposite surfaces of the front and rear end bases (6) are respectively provided with a slot (9), and the middle part of the end base (6) is provided with two top bolts (10) corresponding to the top holes (1104).