CN220085814U

CN220085814U - Auxiliary source transformer

Info

Publication number: CN220085814U
Application number: CN202321725318.7U
Authority: CN
Inventors: 宋锦程; 陈记铭
Original assignee: SHENZHEN JINGQUANHUA ELECTRONICS CO LTD
Current assignee: SHENZHEN JINGQUANHUA ELECTRONICS CO LTD
Priority date: 2023-07-03
Filing date: 2023-07-03
Publication date: 2023-11-24
Anticipated expiration: 2033-07-03

Abstract

The utility model provides an auxiliary source transformer which comprises a framework and a coil wound on the framework, wherein the framework comprises a square column and a connecting plate, the square column is provided with a first fixing plate, a second fixing plate and a plurality of spacing plates, a placing groove is formed between the first fixing plate and the spacing plates, between adjacent spacing plates and between the spacing plates and the second fixing plate, a plurality of first openings are formed in the spacing plates, and a plurality of second openings are formed in the first fixing plate and the second fixing plate. According to the auxiliary source transformer, coils are sequentially wound between the first fixed plate and the partition plate, enter between adjacent partition plates from the first opening of the partition plate and are wound between the second fixed plate and the partition plate through the first opening of the partition plate, and finally sequentially return to the adjacent partition plates and are wound between the first fixed plate and the partition plate, so that installation insulation is omitted, and the overall efficiency of the auxiliary source transformer can be effectively improved.

Description

Auxiliary source transformer

Technical Field

The utility model relates to the technical field of transformers, in particular to an auxiliary source transformer.

Background

The transformer is a device for changing alternating voltage by utilizing the principle of electromagnetic induction, and the main components comprise a bracket, an insulation, a magnetic core, a primary coil and a secondary coil. In wireless circuits, it is often used as a step-up voltage, auxiliary power supply, safety isolation, etc. When the coils of the auxiliary source transformer are wound on the square blocks in the prior art, insulating tapes are needed to be used for isolation when the coils are wound for one-turn overline, the insulating tapes are added between adjacent coils to ensure that the integral consistency of the auxiliary source transformer is poor, the insulating tapes are in incompatible or uneven contact with the coils, the insulating properties are easy to be reduced or lose efficacy, and the risk of safety accidents is easy to be caused.

It is desirable to provide an auxiliary transformer to solve the above-mentioned problems.

Disclosure of Invention

The utility model provides an auxiliary source transformer, which solves the problems that in the prior art, insulating tapes are added between adjacent coils of the auxiliary source transformer, the insulating tapes are in incompatible or uneven contact with the coils, the insulating performance is easy to be reduced or lose efficacy, and safety accidents are easy to be caused.

In order to solve the technical problems, the technical scheme of the utility model is as follows: the utility model provides an assist source transformer, is in including skeleton and winding coil on the skeleton, the skeleton includes square post and connects respectively square post both ends and symmetrical connecting plate, square post is provided with respectively be located first fixed plate and second fixed plate at square post both ends and be located first fixed plate with a plurality of division bars between the second fixed plate, first fixed plate with between the division bars, adjacent between the division bars, and second fixed plate with form between the division bars and be used for coil winding standing groove, be located all be provided with a plurality of being used for on the division bars of square post both sides the first opening that the coil passed, first fixed plate with the below of second fixed plate is provided with a plurality of the coil stretches into or stretches out.

In the utility model, the auxiliary source transformer is also provided with magnetic cores which are symmetrical and connected in the square column.

In the utility model, the square column is also provided with a through hole penetrating along the length direction of the square column, the magnetic core comprises a concave frame and a connecting column which is connected in the frame and matched with the through hole, and the connecting column is positioned in the through hole.

In the utility model, the auxiliary source transformer is also provided with a cover plate for fixing the magnetic core on the framework.

In the utility model, L-shaped barbs are arranged on the outer sides of the tops of the first fixing plate and the second fixing plate, two ends of the bottom surface of the cover plate are respectively provided with a vertical clamping plate positioned on one side of each barb, clamping holes matched with the barbs are formed in the clamping plates, and the barbs are clamped in the clamping holes.

In the utility model, a groove is arranged at the position of the top surface of the frame opposite to the clamping plate, and the clamping plate is attached to the bottom wall of the groove.

In the utility model, a plurality of pins are arranged on the connecting plate.

In the utility model, the frame and the connecting column are integrally manufactured.

Compared with the prior art, the utility model has the beneficial effects that: according to the auxiliary source transformer, coils are sequentially wound between the first fixed plate and the partition plate, enter between adjacent partition plates from the first opening of the partition plate and are wound between the second fixed plate and the partition plate through the first opening of the partition plate, and finally sequentially return to the adjacent partition plates and are wound between the first fixed plate and the partition plate, so that installation insulation is omitted, and the overall efficiency of the auxiliary source transformer can be effectively improved.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the embodiments are briefly described below, and the drawings in the following description are only drawings corresponding to some embodiments of the present utility model.

Fig. 1 is a perspective view of an auxiliary source transformer of the present utility model.

Fig. 2 is an exploded view of the auxiliary source transformer of the present utility model.

Fig. 3 is a perspective view of a backbone of the auxiliary source transformer of the present utility model.

Fig. 4 is a perspective view of a backbone of the auxiliary source transformer of the present utility model.

Fig. 5 is a perspective view of a magnetic core of the auxiliary source transformer of the present utility model.

Fig. 6 is a perspective view of a cover plate of the auxiliary source transformer of the present utility model.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present disclosure more apparent, the technical solutions of the embodiments of the present disclosure will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present disclosure. It will be apparent that the described embodiments are some, but not all, of the embodiments of the present disclosure. All other embodiments, which can be made by one of ordinary skill in the art without the need for inventive faculty, are within the scope of the present disclosure, based on the described embodiments of the present disclosure.

Unless defined otherwise, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this disclosure belongs.

The terms "first," "second," and the like in the description and in the claims, do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. The word "comprising" or "comprises", and the like, is intended to mean that elements or items that are present in front of "comprising" or "comprising" are included in the word "comprising" or "comprising", and equivalents thereof, without excluding other elements or items. The terms "connected" or "connected," and the like, are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", etc. are used merely to indicate relative positional relationships, which may also be changed when the absolute position of the object to be described is changed.

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The following is a preferred embodiment of an auxiliary transformer that can solve the above technical problems.

Referring to fig. 1, 2, 3 and 4, fig. 1 is a perspective view of an auxiliary source transformer according to the present utility model, fig. 2 is an exploded view of the auxiliary source transformer according to the present utility model, fig. 3 is a perspective view of a skeleton of the auxiliary source transformer according to the present utility model, and fig. 4 is a perspective view of the skeleton of the auxiliary source transformer according to the present utility model.

In the drawings, like structural elements are denoted by like reference numerals.

The words "first," "second," and the like in the terminology of the present utility model are used for descriptive purposes only and are not to be construed as indicating or implying relative importance and not as limiting the order of precedence.

The utility model provides an auxiliary source transformer, which comprises a framework 11 and coils 12 wound on the framework 11, wherein the framework 11 comprises square columns 111 and symmetrical connecting plates 112 respectively connected at two ends of the square columns 111, the square columns 111 are provided with a first fixed plate 1111 and a second fixed plate 1112 respectively positioned at two ends of the square columns 111 and a plurality of spacing plates 1113 positioned between the first fixed plate 1111 and the second fixed plate 1112, a placing groove 1118 used for winding the coils 12 is formed between the first fixed plate 1111 and the spacing plates 1113, between adjacent spacing plates 1113 and between the second fixed plate 1112 and the spacing plates 1113, a plurality of first openings 1114 used for the coils 12 to pass through are respectively arranged on the spacing plates 1113 at two opposite sides of the square columns 111, a plurality of second openings 1117 for the coils 12 to stretch in or stretch out are arranged below the first fixed plate 1111 and the second fixed plate 1112, when the coil 12 is to be wound on the bobbin 11, first, one end of the coil 12 is fixed to the outside of the first fixing plate 1111, at the time of winding, the other end of the coil 12 passes through the second opening 1117 of the first fixing plate 1111 and is wound in the placement groove 1118 between the partition plate 1113 and the first fixing plate 1111, after the set number of windings, the coil 12 passes through the first opening 1114 of the partition plate 1113 and is wound in the placement groove 1118 between the adjacent partition plate 1113, the wound coil 12 passes through the first opening 1114 of the adjacent partition plate 1113 and is wound in the placement groove 1118 between the second fixing plate 1112 and the partition plate 1113, further, after the winding 12 passes again from the first opening 1114 of the partition plate 1113 to the prevention groove between the adjacent partition plate 1113 to be wound, and returns again to the placement groove 1118 between the first fixing plate 1111 and the partition plate 1113 to be wound, when winding is completed and the insulating tape is extended from the first opening 1114 of the first fixing plate 1111, the insulating tape is not installed through the winding, so that on one hand, the overall efficiency of the auxiliary source transformer can be effectively improved, and on the other hand, whether the insulating tape is compatible with the coil 12 or not is not required, and potential safety hazards can be reduced.

Referring to fig. 5, fig. 5 is a perspective view of a magnetic core of the auxiliary source transformer of the present utility model, the auxiliary source transformer is further provided with a magnetic core 13 symmetrically connected in the square column 111, and the magnetic core 13 is used for increasing the magnetic flux density of the coil 12, reducing copper loss, and enhancing electromagnetic induction intensity, thereby improving the voltage conversion efficiency.

The square column 111 is further provided with a through hole 1116 penetrating along the length direction of the square column 111, the magnetic core 13 comprises a concave frame 131 and a connecting column 132 connected in the frame 131 and matched with the through hole 1116, the connecting column 132 is located in the through hole 1116, the auxiliary source transformer is further provided with a cover plate 14 used for fixing the magnetic core 13 on the framework 11, the frame 131 is clamped on the connecting column 132, the connecting column 132 is connected in the through hole 1116, and the frame 131 is fixed on the square column 111 through the cover plate 14, so that the magnetic core 13 is connected on the square column 111 more stably.

Referring to fig. 6, fig. 6 is a perspective view of a cover plate of an auxiliary transformer of the present utility model, wherein L-shaped barbs 1115 are disposed on the outer sides of the top of a first fixing plate 1111 and a second fixing plate 1112, two ends of the bottom surface of a cover plate 14 are respectively provided with a vertical clamping plate 141 located at one side of the barbs 1115, a clamping hole 142 matching with the barbs 1115 is disposed in the clamping plate 141, and the barbs 1115 are clamped in the clamping holes 142 to prevent the cover plate 14 from being separated from a square column 111.

The top surface of frame 131 is provided with recess 133 with the relative position of joint board 141, joint board 141 and the diapire laminating of recess 133, and joint board 141 connects in recess 133 and extrudees recess 133, on the one hand, and recess 133 is used for placing joint board 141, on the other hand, joint board 141 extrusion recess 133, can place magnetic core 13 and skeleton 11 separation.

The connection board 112 is provided with a plurality of pins 1121, and the pins 1121 are used for facilitating connection of the auxiliary transformer to external devices.

The frame 131 and the connection post 132 are integrally formed, so that the rigidity of the connection post 132 and the frame 131 is increased, and the connection post 132 and the frame 131 are prevented from being separated.

Working principle:

the auxiliary transformer comprises a framework 11, a coil 12 connected in the framework 11, a magnetic core 13 symmetrically clamped in the framework 11 and a cover plate 14 clamped above the framework 11 and used for fixing the magnetic core 13 on the framework 11, the framework 11 comprises a square column 111, connecting plates 112 respectively positioned at two ends of the square column 111 and a plurality of pins 1121 connected to the connecting plates 112, the framework 11 is provided with through holes 1116, the through holes 1116 extend along the length direction of the framework 11, a first fixing plate 1111 and a second fixing plate 1112 respectively positioned at two ends of the framework 11 and a plurality of partition plates 1113 positioned in front of the first fixing plate 1111 and the second fixing plate 1112 are further arranged on the periphery of the framework 11, two opposite sides of the partition plates 1113 are respectively provided with a plurality of second openings 1117, a plurality of first openings 1114 are respectively arranged below the first fixing plate 1111 and the second fixing plate 1112, the coil 12 is wound on the square column 111, the magnetic core 13 comprises a concave frame 1116, the frame 131 positioned in the frame 131 and connected to the frame 132 and the two ends of the corresponding barbs 141 are respectively positioned at the two ends of the partition plates 141, and the bottom surface of the partition plates 141 are respectively matched with the barbs 141.

When assembling the auxiliary transformer, first, one end of the coil 12 is placed outside the first fixing plate 1111, the other end of the coil 12 is extended from the second opening 1117 of the first fixing plate 1111 and wound between the first fixing plate 1111 and the partition plate 1113, after winding a set number of turns, the coil 12 is passed through the first opening 1114 of the partition plate 1113 and wound in the placement groove 1118 between the adjacent partition plates 1113, further, after winding a defined number of turns, the coil 12 is passed through the first opening 1114 of the partition plate 1113 and wound in the placement groove 1118 between the partition plates 1113 and the second fixing plate 1112, after winding a defined number of turns, the coil 12 is passed through the first opening 1114 of the partition plate 1113 and returned to the placement groove 1118 between the adjacent partition plates 1113 to be wound, further, the coil 12 is wound again through the first opening 1114 of the partition plate 1113 back into the placement groove 1118 between the first fixing plate 1111 and the partition plate 1113, and finally, is protruded from the second opening 1117 of the first fixing plate 1111, thereby completing the assembly of the coil 12 on the square column 111, further, the connecting column 132 of the magnetic core 13 is protruded into the first through hole 1116, both sides of the frame 131 of the magnetic core 13 are clamped on both sides of the square column 111, and finally, the cover plate 14 is mounted on the first fixing plate 1111 and the second fixing plate 1112, the barbs 1115 of the first fixing plate 1111 and the second fixing plate 1112 are clamped in the clamping holes 142 of the clamping plate 141, and simultaneously, the clamping plate 141 presses the grooves 133 of the frame 131, thereby preventing the magnetic core 13 from being separated from the frame 11, through the winding, the installation of the insulating tape can be omitted, on one hand, the overall efficiency of the auxiliary source transformer can be effectively improved, on the other hand, whether the insulating tape is compatible with the coil 12 or not need to be worried about, potential safety hazards can be reduced.

The auxiliary source transformer of the preferred embodiment is wound between the first fixed plate and the partition plate sequentially through the coil, is wound between the adjacent partition plates from the first opening of the partition plate, is wound between the second fixed plate and the partition plate after passing through the first opening of the partition plate, and finally returns to the adjacent partition plates sequentially and is wound between the first fixed plate and the partition plate, so that installation insulation is omitted, and the overall efficacy of the auxiliary source transformer can be effectively improved.

In summary, although the present utility model has been described in terms of the preferred embodiments, the preferred embodiments are not limited to the above embodiments, and various modifications and changes can be made by one skilled in the art without departing from the spirit and scope of the utility model, and the scope of the utility model is defined by the appended claims.

Claims

1. The utility model provides an assist source transformer, its characterized in that includes skeleton and winding are in coil on the skeleton, the skeleton includes square post and connects respectively square post both ends and symmetrical connecting plate, square post is provided with respectively be located square post both ends first fixed plate and second fixed plate and be located first fixed plate with a plurality of division bars between the second fixed plate, first fixed plate with between the division bars, adjacent between the division bars, and second fixed plate with form between the division bars and be used for coil winding standing groove, be located all be provided with a plurality of being used for on the division bars of square post both sides the first opening that the coil passed, first fixed plate with the below of second fixed plate is provided with a plurality of the coil stretches into or stretches out.

2. The auxiliary source transformer of claim 1 further provided with magnetic cores that are symmetrical and connected within the square post.

3. The auxiliary source transformer according to claim 2, wherein the square column is further provided with a through hole penetrating in the length direction of the square column, and the magnetic core comprises a concave frame and a connecting column connected in the frame and matched with the through hole, and the connecting column is positioned in the through hole.

4. A secondary source transformer as claimed in claim 3, further provided with a cover plate for securing the core to the backbone.

5. The auxiliary source transformer according to claim 4, wherein the outer sides of the tops of the first fixing plate and the second fixing plate are respectively provided with an L-shaped barb, two ends of the bottom surface of the cover plate are respectively provided with a vertical clamping plate positioned on one side of the barb, clamping holes matched with the barbs are formed in the clamping plates, and the barbs are clamped in the clamping holes.

6. The auxiliary source transformer of claim 5, wherein the top surface of the frame is provided with a recess opposite the clamping plate, and the clamping plate is attached to the bottom wall of the recess.

7. The auxiliary source transformer of claim 1, wherein the connection plate is provided with a plurality of pins.