CN211045212U

CN211045212U - Folding type three-dimensional open iron core silicon rubber dry-type transformer

Info

Publication number: CN211045212U
Application number: CN201922015642.XU
Authority: CN
Inventors: 齐侠; 齐会南
Original assignee: Shenyang Jiaheng Electromechanical Equipment Co ltd
Current assignee: Shenyang Jiaheng Electromechanical Equipment Co ltd
Priority date: 2019-11-21
Filing date: 2019-11-21
Publication date: 2020-07-17
Anticipated expiration: 2029-11-21

Abstract

The utility model discloses a foldable three-dimensional opening iron core silicon rubber dry-type transformer, including foldable opening iron core, high and low pressure silicon rubber coil, insulation, folder part, foldable opening iron core is by the same single frame iron core of three size with central 120 jiaos of amalgamation, iron core stem cross-section after the amalgamation be the polygon, be circular (R type), be regular hexagon. The coil is made of high-strength silicon rubber materials through pouring or dipping, and the silicon rubber layers formed on the inner surface and the outer surface of the coil have the curing and insulating functions. The outer side of the core column of the iron core is sleeved with a low-voltage coil, the outer side of the low-voltage coil is sleeved with a high-voltage coil, and the low-voltage coil and the high-voltage coil can be of circular or regular hexagonal cylinder structures. The product has the characteristics of high temperature resistance, low temperature resistance, weather resistance, good insulation, no cracking, good shock resistance, low noise, recoverability, flame retardance, no toxicity, hydrophobicity and the like. The device is suitable for all running environments including indoor and outdoor environments, transformer substations, ships, maglev trains, subways, high-speed rails and the like.

Description

Folding type three-dimensional open iron core silicon rubber dry-type transformer

Technical Field

The utility model belongs to the technical field of power equipment, specifically indicate a foldable three-dimensional opening iron core silicon rubber dry-type transformer.

Background

The folding three-dimensional open-core silicon rubber dry-type transformer is a brand new generation of dry-type transformer, and is made of high-strength and high-quality silicon rubber materials and advanced production and detection equipment according to a strict process. The energy-saving and environment-friendly composite material has the characteristics of safety, reliability, super energy conservation, environmental protection, overload resistance, low noise, high strength, high temperature resistance, heat overload resistance, impact resistance and the like. Can be widely applied to all operating environments, including: indoor, outdoor, box-type substation, mobile substation and boats and ships, subway, high-speed railway, maglev train etc. have wide market development space.

Disclosure of Invention

In order to solve the defects of the existing dry-type transformer and overcome the defects of the existing dry-type transformer technology, the utility model aims to provide a foldable three-dimensional open-core silicon rubber dry-type transformer, which comprises three foldable single-frame open-core cores with the same shape, wherein the three foldable single-frame open-core cores are spliced at an angle of 120 degrees at the center, the cross sections of core columns after splicing can be circular inscribed polygons, circular (R type) and regular hexagon, the open positions of the foldable open-core cores are respectively arranged at the upper ends of the core columns, the outer sides of the core columns are sleeved with low-voltage silicon rubber coils, the outer sides of the low-voltage silicon rubber coils are sleeved with high-voltage silicon rubber coils, and the low-voltage silicon rubber coils and the high-voltage silicon rubber coils can. Three single-frame open iron cores are respectively placed on a base welded with a lower clamping piece, an upper clamping piece and the lower clamping piece are connected through a compression screw rod, an upper cushion block and a lower cushion block are used for supporting and compressing a high-voltage and low-voltage silicon rubber coil, the lower pressing plate is fixedly connected with the base fixed on the lower clamping piece through a supporting rod, the upper pressing plate and the lower pressing plate are matched with the compression screw rod, the upper pressing plate is positioned in the space above the iron core, the lower pressing plate is positioned in the space below the iron core, an iron yoke at the upper end of the iron core is arranged between one side edge of the upper pressing plate and one clamping piece edge of the upper clamping piece, an iron yoke at the lower end of the iron core is arranged on the base between the lower pressing plate and the lower clamping piece, the low-voltage silicon rubber coil and the high-voltage silicon rubber coil are sleeved on a folding iron core column, the upper clamping piece, the lower clamping piece and the lower pressing plate support the lower cushion block, and the upper clamping piece and the upper pressing plate tightly press the upper cushion block. The bottom of the lower clamping piece is fixedly connected to the channel steel, and cooling fans are fixedly arranged on the outer sides of the bases respectively.

Preferably, the cross section of the core column of the folding three-dimensional open core is a circular inscribed polygon.

Further preferably, the folding three-dimensional open core column has a circular (R-shaped) cross section.

Preferably, the folding three-dimensional open core column has a regular hexagonal cross section.

Further preferably, the vacuum casting or vacuum impregnation low-pressure and high-pressure silicon rubber coil is of a circular cylinder structure.

Further preferably, the vacuum casting or vacuum impregnation low-pressure and high-pressure silicon rubber coil is of a hexagonal cylinder structure.

The beneficial effects of the utility model are that.

1. The utility model discloses the transformer adopts silicon rubber to replace epoxy type transformer, has resistant high low temperature (-50 ~ 2000C), resistant ozone, resistant ultraviolet ray, weather resistance, insulating ability is stronger, hydrophobic, heat conduction heat dispersion are good, high-voltage coil stable performance, the security is good.

2. Can be widely applied to all operating environments, including: indoor and outdoor, box-type transformer substation, mobile transformer substation, ship, subway, high-speed rail, maglev train, etc.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a schematic view of a three-dimensional structure of the clip of the present invention.

Fig. 3 is a perspective view of the iron core of the present invention.

Fig. 4 is a polygonal cross-sectional view of the iron core of the present invention.

Fig. 5 is a cross-sectional view of the iron core of the present invention in a circular shape (R shape).

Fig. 6 is a cross-sectional view of the iron core of the present invention.

Fig. 7 is a view of the position of the opening of the iron core according to the present invention.

Fig. 8 is the angle view of the iron core bending of the present invention.

Fig. 9 is another angle view of the iron core of the present invention.

Fig. 10 is a circular three-dimensional view of the low-voltage silicone rubber coil of the present invention.

Fig. 11 is a circular three-dimensional view of the high-voltage silicone rubber coil of the present invention.

Fig. 12 is a hexagonal three-dimensional view of the low-voltage silicone rubber coil of the present invention.

Fig. 13 is a hexagonal three-dimensional view of the high-voltage silicone rubber coil of the present invention.

Detailed Description

In order to make the disclosure of the present invention more clearly understandable, the following description of the present invention is further described with reference to the accompanying drawings and examples, but the present invention is not limited thereto.

As shown in fig. 1 and 2, each phase coil is composed of a high-voltage silicon rubber coil 2 and a low-voltage silicon rubber coil 3. The high-voltage coil 2 and the low-voltage silicon rubber coil 3 are sleeved on the folding type open core column, the upper clamping piece 4 and the lower clamping piece 5 clamp the high-voltage silicon rubber coil 2 and the low-voltage silicon rubber coil 3, the upper cushion block 9 and the lower cushion block 10 corresponding to the high-voltage silicon rubber coil and the low-voltage silicon rubber coil are arranged at two ends of the high-voltage silicon rubber coil 2 and the low-voltage silicon rubber coil 3 respectively, the lower cushion block 10 is supported by the lower clamping piece 5 and the lower pressing plate 62, and the upper cushion block 9 is tightly pressed. The three connecting terminals 21,22,23 of the high-voltage silicon rubber coil 2 and the four connecting terminals 31, 32,33,34 of the low-voltage silicon rubber coil 3 are respectively arranged on the mounting frame 11 of the upper clamp 4 on the opposite side of the transformer, a 37 high-voltage tap is arranged on the high-voltage silicon rubber coil 2, the clamp comprises the upper clamp 4, a lower clamp 5, an upper pressing plate 61, a lower pressing plate 62 and a compression screw 7, the lower pressing plate 62 is fixedly connected with a base 63 fixed on the lower clamp 5 through a supporting rod 12, the upper pressing plate 61, the lower pressing plate 62 are matched with the

compression screw

7, 51 is a part for supporting the

lower cushion block

10, 41 is a part for compressing the upper cushion block, a damping device is arranged between the iron yoke and the base 63, a cooling fan 36 is respectively fixedly arranged on the outer side of the base 63, and the. As shown in fig. 3, the folding three-dimensional open core 1 is formed by splicing three folding single-frame open cores 8 with the same shape, the upper end of the single-frame open core is an upper yoke 82, the lower end of the single-frame open core is a lower yoke 83, the middle parts of the upper and lower yokes are a core column 81, the cross section of the single-frame open core column 81 can be a 1/2 circular inscribed polygon, a 1/2 circular (R-shaped) or an equilateral trapezoid, the core formed by splicing two adjacent single-frame core columns 81 is an iron core, as shown in fig. 4, the cross section of the core column is a circular inscribed polygon 811, as shown in fig. 5, the cross section of the core column is a circular (R-shaped) 812, as shown in fig. 6, the cross section of the core column is a regular hexagon 813, as shown in fig. 7, the opening position of the iron core is arranged at the upper end 6 of the core column, as shown in fig, as shown in fig. 9, the foldable single-frame open core is a square core with twelve bending angles of 150 °. As shown in fig. 10 and 12, the low-voltage silicone rubber coil 3 adopts a circular or regular hexagonal cylinder structure. As shown in fig. 11 and 13, the high-voltage silicone rubber coil 2 is of a circular or hexagonal cylindrical structure.

As an improvement of the technical proposal, the folding type three-dimensional double-opening iron core provided by the patent No. 2016200914799 applied by the inventor is characterized in that: the folding type open iron core adopted by the folding type three-dimensional open iron core silicon rubber dry type transformer has a core column with a circular inscribed polygon, circular (R-shaped) and regular hexagon cross section

As the improvement of the technical proposal, the utility model is characterized in that: the cross section of the folding open iron core adopts an approximately equilateral hexagon structure, and the corresponding high-voltage and low-voltage silicon rubber coils adopt a vacuum pouring or vacuum impregnation regular hexagon cylinder structure. The filling factor of iron core has been improved, has solved transformer core and coil and has produced vertical not hard up, horizontal drunkenness, aversion, deformation under the effect of powerful electromagnetic field, has improved the anti proruption short circuit ability of product, thereby owing to adopted hexagonal iron core and regular hexagon's coil to promote the process level, change in to prop really, press from both sides tightly, fixed, improved the mechanical strength of transformer ware body greatly, improved the utility model discloses foldable three-dimensional opening iron core silicon rubber dry-type transformer product overall quality.

The embodiments of the present invention are written in a progressive manner, emphasizing the differences of the various embodiments, and similar parts can be referred to each other.

The embodiments of the present invention have been described in detail with reference to the drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.

Claims

1. Folding three-dimensional open core silicon rubber dry-type transformer, its characterized in that: the foldable open core comprises three single-frame foldable open cores with the same size and structure and spliced at an angle of 120 degrees at the center, the cross section of a spliced core column of the core is in a circular inscribed polygon shape and a circular shape and a regular hexagon shape, the opening positions of the cores are respectively arranged at the upper end of the core column of the core, a low-voltage silicon rubber coil is sleeved outside the core column, a high-voltage silicon rubber coil is sleeved outside the low-voltage silicon rubber coil, the low-voltage silicon rubber coil and the high-voltage silicon rubber coil can be in a circular or regular hexagon cylindrical structure, the clamping piece and the insulating part comprise an upper clamping piece, a lower clamping piece, an upper pressing plate, a lower pressing plate and a compression screw rod, the lower pressing plate is fixedly connected with a base fixed on the lower clamping piece through a support rod, and the upper pressing plate and the lower pressing plate are matched with the compression screw rod, the upper pressing plate is positioned in the space at the upper part of the iron core, and the lower pressing plate is positioned in the space at the lower part of the iron core; the iron yoke of iron core upper end sets up between a folder limit of last clamp plate one side and last folder, the iron yoke setting of iron core lower extreme is on the base between holding down plate and lower folder, upper and lower folder presss from both sides tight high pressure silicon rubber coil and low pressure silicon rubber coil, the both ends of high pressure silicon rubber coil and low pressure silicon rubber coil are provided with cushion and lower bolster respectively, cushion under folder and the holding down plate support, upper clamp and top board compress tightly the upper cushion, folder bottom fixed connection is on the channel-section steel down, the base outside is fixed respectively and is provided with cooling blower.

2. The silicone rubber dry transformer with the folding three-dimensional open core as claimed in claim 1, wherein the single-frame folding open core is a square core with eight bending angles of 135 degrees or twelve cores with bending angles of 150 degrees.

3. The silicone rubber dry transformer with the folding type solid open core as claimed in claim 1, wherein the silicone rubber vacuum-cast low-voltage and high-voltage silicone rubber coils can be in a circular or regular hexagonal cylinder structure.

4. The silicone rubber dry transformer with the folding type solid open core as claimed in claim 1, wherein the silicone rubber vacuum-impregnated low-voltage and high-voltage silicone rubber coils are in a circular or regular hexagonal cylinder structure.