CN217881123U - Transformer device - Google Patents

Transformer device Download PDF

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Publication number
CN217881123U
CN217881123U CN202221916109.6U CN202221916109U CN217881123U CN 217881123 U CN217881123 U CN 217881123U CN 202221916109 U CN202221916109 U CN 202221916109U CN 217881123 U CN217881123 U CN 217881123U
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China
Prior art keywords
screw rod
insulating plate
clamping piece
pull screw
transformer
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CN202221916109.6U
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Chinese (zh)
Inventor
李德旺
宋雪茹
田聪
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Ningbo Aokes Intelligent Technology Co ltd
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Ningbo Aux High Tech Co Ltd
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Abstract

An embodiment of the utility model provides a transformer belongs to transformer technical field. The transformer comprises an iron core, an insulating plate, a low-voltage upper clamping piece, a low-voltage lower clamping piece, a high-voltage upper clamping piece, a high-voltage lower clamping piece, a first pull screw rod, a second pull screw rod and a plurality of windings. The plurality of windings are arranged at intervals on the iron core. The low-voltage upper clamping piece and the low-voltage lower clamping piece are connected through a first pull screw rod and are arranged on one side of the iron core. The high-voltage upper clamping piece and the high-voltage lower clamping piece are connected through a second pull screw rod and are arranged on the other side of the iron core. The insulation board is arranged at the interval between the two adjacent windings and is connected with the first pull screw rod and the second pull screw rod. This application lets the insulation board set up the interval between two adjacent windings to with first draw the screw rod with the screw rod is connected to the second, thereby the installation of insulation board that can make is more convenient.

Description

Transformer
Technical Field
The utility model relates to a transformer field particularly, relates to a transformer.
Background
A power transformer is a stationary electrical device that is used to transform an ac voltage (current) of a certain value into another voltage (current) of the same frequency or different values. Stationary devices with two or more windings convert alternating voltages and currents of one system into voltages and currents of another system by electromagnetic induction at the same frequency for the transmission of electrical energy, usually with different values.
The insulation board between two windings of the existing transformer is generally connected through iron cores such as a partition board fastener, the installation process is complex, the installation cost is high by using the fastener, and the efficiency is low.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a transformer, its assembly efficiency and the reduce cost that can improve the insulation board.
The embodiment of the utility model is realized like this:
in a first aspect, the present invention provides a transformer, including an iron core, an insulating plate, a low voltage upper clamp, a low voltage lower clamp, a high voltage upper clamp, a high voltage lower clamp, a first pull screw, a second pull screw, and a plurality of windings;
a plurality of windings are arranged on the iron core at intervals;
the low-voltage upper clamping piece and the low-voltage lower clamping piece are connected through the first pull screw rod and are arranged on one side of the iron core;
the high-voltage upper clamping piece and the high-voltage lower clamping piece are connected through the second pull screw rod and are arranged on the other side of the iron core;
the insulation plates are arranged at intervals between two adjacent windings and connected with the first pull screw rod and the second pull screw rod.
In an optional embodiment, the transformer further includes a plurality of straps, the insulating plate is provided with a plurality of through holes, and the plurality of straps are connected to the first pull screw rod or the second pull screw rod through the plurality of through holes, respectively.
In an alternative embodiment, the insulating plate is in a rectangular structure, two through holes are formed in two sides of the top of the insulating plate, and the number of the binding bands comprises two;
wherein one of the straps is connected to the first pull screw rod through one of the through holes, and the other strap is connected to the second pull screw rod through the other through hole.
In an alternative embodiment, the insulating plate is in a rectangular structure, the insulating plate is provided with the through holes at four corners respectively, and the number of the binding bands comprises four;
the two binding bands respectively penetrate through the two through holes on the same side of the insulating plate to be connected with the first pull screw rod, and the other two binding bands respectively penetrate through the two through holes on the other side of the insulating plate to be connected with the second pull screw rod.
In an alternative embodiment, the strap is a cloth strap or a cable tie.
In an alternative embodiment, the insulating plate includes a first insulating plate, a corrugated plate, and a second insulating plate, which are sequentially stacked.
In an alternative embodiment, the first insulating panel and the second insulating panel are both electrical paper.
In an alternative embodiment, the first and second insulating plates have a thickness of 1.5mm.
In an alternative embodiment, the width of the insulating plate is less than the spacing between the first and second tension bars.
In an alternative embodiment, the iron core has a window for mounting the winding, the winding is disposed on the iron core through the window, and the height of the insulating plate is smaller than the height of the window.
The embodiment of the utility model provides a transformer's beneficial effect includes:
a plurality of winding intervals of this application transformer set up at the iron core. The low-voltage upper clamping piece and the low-voltage lower clamping piece are connected through a first pull screw rod and are arranged on one side of the iron core. The high-voltage upper clamping piece and the high-voltage lower clamping piece are connected through the second pull screw rod and are arranged on the other side of the iron core, the insulating plate is arranged at the interval between the two adjacent windings and is connected with the first pull screw rod and the second pull screw rod, and therefore the insulating plate can be installed more conveniently.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic structural diagram of a transformer according to an embodiment of the present invention;
fig. 2 is a schematic cross-sectional structural diagram of a transformer according to an embodiment of the present invention;
fig. 3 is a schematic top view of a transformer according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of an insulating plate of a transformer according to an embodiment of the present invention.
The diagram is 100-transformer; 110-a core; 111-a window; 131-a low voltage upper clip; 133-low pressure lower clamp; 135-high voltage upper clamp; 137-high voltage lower clamp; 139-first pull screw; 141-a second pull screw; 145-winding; 150-an insulating plate; 151-through holes; 153-first insulating plate; 155-corrugated board; 157-a second insulating plate; 170-bandage.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The insulation board between two windings of the existing transformer is generally connected through iron cores such as a partition board fastener, the installation process is complex, the installation cost is high by using the fastener, and the efficiency is low. The present embodiment provides a transformer capable of improving the assembly efficiency of an insulation plate and reducing the cost.
Referring to fig. 1, 2 and 3, the transformer 100 includes an iron core 110, an insulating plate 150, a low voltage upper clip 131, a low voltage lower clip 133, a high voltage upper clip 135, a high voltage lower clip 137, a first pull screw 139, a second pull screw 141 and a plurality of windings 145. The plurality of windings 145 are arranged at intervals on the core 110. The low voltage upper clip member 131 and the low voltage lower clip member 133 are connected by a first pull screw 139 and are disposed at one side of the core 110. The high voltage upper clip member 135 and the high voltage lower clip member 137 are connected by a second pull screw rod 141 and are disposed at the other side of the core 110. The insulation plate 150 is disposed at an interval between two adjacent windings 145 and connected to the first and second pull screw bars 139 and 141.
The plurality of windings 145 of the transformer 100 of the present embodiment are disposed at intervals on the core 110. The low voltage upper clip member 131 and the low voltage lower clip member 133 are connected by a first pull screw 139 and are disposed at one side of the core 110. The high voltage upper clip member 135 and the high voltage lower clip member 137 are connected by a second pull screw rod 141 and are disposed at the other side of the core 110, and the insulating plate 150 is disposed at an interval between two adjacent windings 145 and is connected with the first pull screw rod 139 and the second pull screw rod 141, so that the installation of the insulating plate 150 can be more convenient.
It should be noted that the iron core 110 is formed by stacking a plurality of iron yokes, and the low voltage upper clamp 131, the low voltage lower clamp 133, the high voltage upper clamp 135, the high voltage lower clamp 137, the first pull screw 139, and the second pull screw 141 are used to fix the iron yokes, so that the iron cores 110 are formed by stacking a plurality of iron yokes.
In this embodiment, the transformer 100 further includes a plurality of straps 170, the insulating plate 150 is provided with a plurality of through holes 151, and the plurality of straps 170 are respectively connected to the first pull screw 139 or the second pull screw 141 through the plurality of through holes 151.
The embodiment makes the fixing of the insulating plate 150 more convenient by the binding band 170 passing through the through hole 151 provided on the insulating plate 150 to be fixed with the first pull screw bar 139 or the second pull screw bar 141. Meanwhile, fasteners such as bolts are not needed for assembly, and cost is saved.
In some embodiments, for example, in the case where the size of the insulating plate 150 is small, the insulating plate 150 has a rectangular structure, two through holes 151 are provided on both sides of the insulating plate 150 at the top, and the number of the bands 170 includes two; one strap 170 is connected to the first pull screw bar 139 through one of the through holes 151, and the other strap 170 is connected to the second pull screw bar 141 through the other through hole 151.
In other embodiments, for example, in the case where the size of the insulating plate 150 is large, the insulating plate 150 has a rectangular structure, the insulating plate 150 is provided with through holes 151 at four corners, respectively, and the number of the straps 170 includes four. Two straps 170 are respectively connected with the first pulling screw 139 through two through holes 151 on the same side of the insulating plate 150, and the other two straps 170 are respectively connected with the second pulling screw 141 through two through holes 151 on the other side of the insulating plate 150.
Referring to fig. 1, 2 and 3, in this embodiment, strap 170 is a twist tie, i.e., a twist tie that extends into through-hole 151 and is secured to first pull screw 139 or second pull screw 141. Of course, in other embodiments of the present application, the strap 170 may be a cloth strap or a rope.
This implementation adopts ribbon or strap to be connected insulation board 150 and first screw rod 139 or the second screw rod 141 of drawing to can let insulation board 150's connection more convenient.
Referring to fig. 3 and 4, in the present embodiment, the insulating plate 150 includes a first insulating plate 153, a corrugated plate 155, and a second insulating plate 157, which are sequentially stacked.
This implementation sets up insulating board 150 into first insulating sheet 153, corrugated sheet 155 and the second insulating sheet 157 that stacks gradually, because corrugated sheet 155 has a plurality of passageways, its efficiency that can improve heat dissipation and convection current.
In the present embodiment, the corrugated board 155 is a corrugated board, which is formed by bending a corrugated board, and has a plurality of grooves, and the grooves extend from the top of the transformer 100 to the bottom of the transformer 100.
In this embodiment, first insulating sheet 153, corrugated sheet 155 and second insulating sheet 157 are laminated independently from each other, and do not need to be glued to can extrude corrugated sheet 155, utilize corrugated sheet 155 deformation to control the thickness after first insulating sheet 153, corrugated sheet 155 and second insulating sheet 157 coincide, thereby can adapt to transformer 100's assembly error. When manufacturing deviation occurs at intervals among the windings 145, the distance between the windings 145 and the windings 145 can be adjusted through the elasticity of the corrugated plate 155, when the distance is too small, the height of the middle corrugated plate 155 can be compressed, when the distance is large, the middle corrugated plate 155 rebounds, the tightness between the windings 145 and the windings 145 can be ensured, the situation that the first insulating plate 153 and the second insulating plate 157 rock between the windings 145 and the windings 145 cannot occur, and the safety and reliability of insulation are ensured.
In the present embodiment, the first insulating plate 153 and the second insulating plate 157 are both electrical paper sheets.
Referring to fig. 1, 2, 3 and 4, in the present embodiment, the width of the corrugated sheet 155 is smaller than the widths of the first insulating sheet 153 and the second insulating sheet 157. Electrical cardboard is also less costly as it has a lighter weight and can meet insulation requirements.
In the present embodiment, the thickness of the first insulating plate 153 and the second insulating plate 157 is 1.5mm.
In the present embodiment, the width of the insulating plate 150 is smaller than the distance between the first and second pull screws 139 and 141. So that the insulation plate 150 can be conveniently installed between the first and second pull screw bars 139 and 141. The core 110 has a window 111 for mounting the winding 145, the winding 145 is disposed on the core 110 through the window 111, and the insulating plate 150 has a height smaller than that of the window 111.
Generally, the width of the first insulating plate 153 and the second insulating plate 157 is 25mm subtracted from the distance between the first pull screw 139 and the second pull screw 141, and the thickness of the three layers after being stacked is 10mm subtracted from the distance between the windings 145. The height is the height of the window 111 minus 20mm. For example: the distance between the first and second tension screws 139 and 141 of the core 110 of the transformer 100 is 445mm, the width of the window 111 is 455mm, the distance between the windings 145 is 20mm, and the width and height of the insulating plate 150 are 440mm × 435mm, and the thickness thereof is 10mm.
The embodiment of the utility model provides a transformer 100's theory of operation and beneficial effect include:
the plurality of windings 145 of the transformer 100 of the present application are disposed at intervals on the core 110. The low voltage upper clip member 131 and the low voltage lower clip member 133 are connected by a first pull screw 139 and are disposed at one side of the core 110. The high voltage upper clip member 135 and the high voltage lower clip member 137 are connected by a second pull screw rod 141 and are disposed at the other side of the core 110, and the insulating plate 150 is disposed at an interval between two adjacent windings 145 and is connected with the first pull screw rod 139 and the second pull screw rod 141, so that the installation of the insulating plate 150 can be more convenient.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A transformer is characterized by comprising an iron core, an insulating plate, a low-voltage upper clamping piece, a low-voltage lower clamping piece, a high-voltage upper clamping piece, a high-voltage lower clamping piece, a first pull screw rod, a second pull screw rod and a plurality of windings;
the plurality of windings are arranged on the iron core at intervals;
the low-voltage upper clamping piece and the low-voltage lower clamping piece are connected through the first pull screw rod and are arranged on one side of the iron core;
the high-voltage upper clamping piece and the high-voltage lower clamping piece are connected through the second pull screw rod and are arranged on the other side of the iron core;
the insulation plates are arranged at intervals between two adjacent windings and connected with the first pull screw rod and the second pull screw rod.
2. The transformer of claim 1, further comprising a plurality of straps, wherein the insulating plate is provided with a plurality of through holes, and the plurality of straps are connected to the first tension screw or the second tension screw through the plurality of through holes, respectively.
3. The transformer according to claim 2, wherein the insulating plate has a rectangular structure, two through holes are formed at both sides of the top of the insulating plate, and the number of the straps comprises two;
wherein one of the straps is connected to the first pull screw rod through one of the through holes, and the other strap is connected to the second pull screw rod through the other through hole.
4. The transformer according to claim 2, wherein the insulating plate has a rectangular structure, the insulating plate is provided with the through holes at four corners, respectively, and the number of the straps includes four;
the two binding bands respectively penetrate through the two through holes on the same side of the insulating plate to be connected with the first pulling screw rod, and the other two binding bands respectively penetrate through the two through holes on the other side of the insulating plate to be connected with the second pulling screw rod.
5. The transformer according to any one of claims 2-4, wherein the straps are cloth straps or cable ties.
6. The transformer according to any one of claims 1 to 4, wherein the insulating plate comprises a first insulating plate, a corrugated plate, and a second insulating plate, which are sequentially stacked.
7. The transformer of claim 6, wherein the first and second insulating plates are each electrical paper board.
8. The transformer of claim 6, wherein the first and second insulating plates have a thickness of 1.5mm.
9. The transformer according to any one of claims 1 to 4, wherein a width of the insulation plate is smaller than a spacing between the first and second tension bars.
10. The transformer according to any one of claims 1 to 4, wherein the core has a window for mounting the winding, the winding being disposed on the core through the window, and the insulating plate has a height smaller than that of the window.
CN202221916109.6U 2022-07-20 2022-07-20 Transformer device Active CN217881123U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202221916109.6U CN217881123U (en) 2022-07-20 2022-07-20 Transformer device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202221916109.6U CN217881123U (en) 2022-07-20 2022-07-20 Transformer device

Publications (1)

Publication Number Publication Date
CN217881123U true CN217881123U (en) 2022-11-22

Family

ID=84054539

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202221916109.6U Active CN217881123U (en) 2022-07-20 2022-07-20 Transformer device

Country Status (1)

Country Link
CN (1) CN217881123U (en)

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Address after: No. 17 and 22, Fenglin Road, Cicheng Town, Jiangbei District, Ningbo, Zhejiang 315000

Patentee after: Ningbo Aokes Intelligent Technology Co.,Ltd.

Address before: No. 17 and 22, Fenglin Road, Cicheng Town, Jiangbei District, Ningbo, Zhejiang 315000

Patentee before: NINGBO AUX HIGH TECHNOLOGY Co.,Ltd.