CN204834303U - Transformer device - Google Patents

Abstract

A transformer includes a winding frame unit and a winding unit. The winding frame unit includes a first side stop structure, a second side stop structure, and a flexible wire bearing structure. The winding frame unit has at least one wire hanging seat arranged on the first or second side stop structure. The winding unit includes at least one winding group arranged on the winding frame unit. The winding group has an input part, an output part, and a winding part wound on the flexible wire bearing structure. The inner edge of the wire hanging seat has a limiting inclined surface, and the input part or the output part of the winding group is close to the limiting inclined surface, so that the angle formed by the input part or the output part relative to the winding part is less than a predetermined acute angle. Thereby, the utility model transformer can comply with electrical safety regulations without using an insulating sleeve and a retaining wall (reverse fold) tape, and can be completely wound using an automatic winding machine to improve production efficiency (reduce manpower requirements) and improve product quality.

Description

transformer

technical field

The utility model relates to a transformer, in particular to a transformer which can comply with electrical safety regulations without using insulating sleeves and retaining wall (reflexed) adhesive tapes.

Background technique

Due to the miniaturization trend of 3C consumer electronics products, notebook computers, and desktop computer power supplies, in order to meet the requirements of electrical safety regulations, it is known that the transformers used in the above-mentioned electronic product power supplies need to use insulating bushings and shields. Wall (reflection) tape, so as to meet the safety requirements of space distance and distance along the surface. However, since the copper wire needs manual work to pass through the insulating sleeve, the copper wire cannot be wound by an automatic winding machine. In addition, the retaining wall (reflexed) tape also needs to be pasted manually on the designated position of the transformer in order to meet the requirements of safety regulations. Therefore, the method adopted by the above-mentioned known method in order to comply with the safety regulations relatively increases the production process and time for the production of the transformer, and increases the use of materials. Therefore, how to overcome the above deficiencies through the improvement of structural design has become one of the important issues to be solved by this project.

Contents of the invention

The technical problem to be solved by the utility model is to provide a transformer that can comply with electrical safety regulations without using insulating sleeves and retaining wall (reflexed) adhesive tapes.

A transformer provided by one embodiment of the present invention includes: a winding frame unit and a winding unit. The winding frame unit includes a first side guard structure, a second side guard structure, and a flexible wire carrying structure connected between the first side guard structure and the second side guard structure, wherein the The winding frame unit has at least one wire hanging seat arranged on the first side blocking structure or the second side blocking structure; the winding unit includes at least one winding frame set on the winding frame unit Wire group, wherein the wire winding group has a wire inlet part, a wire outlet part, and a wire winding part wound on the flexible wire bearing structure; wherein, at least one inner edge of the wire hanging seat has a limit The inclined surface, the wire-entry part or the wire-outlet part of the winding group abuts against the limiting slope, so that the wire-entry part or the wire-outlet part is formed relative to the winding part. The included angle is smaller than a predetermined acute angle.

In an embodiment of the present utility model, when the wire-entry portion of the winding group abuts against the limiting slope, the wire-entry portion is opposite to one of the outermost portions of the winding portion. The angle formed by the ends is less than 45 degrees.

In an embodiment of the present utility model, when the wire outlet portion of the winding group abuts against the limiting slope, the wire outlet portion is positioned relative to one of the outermost ends of the winding portion. The angle formed is less than 45 degrees.

In an embodiment of the present invention, the winding unit includes a first winding group, a second winding group, and a Insulation layer, the first winding group has a first wire entry part, a first wire outlet part, and a first winding part, and the second winding group has a second wire entry part, a first wire entry part Two outlet parts, and a second winding part, wherein the first side block structure includes two first upper wire hanging seats and two first lower thread hanging seats, each of the first upper thread hanging seats The inner edge of each of the first lower limit slopes has a first upper limit slope, and the inner edge of each of the first lower wire hanging seats has a first lower limit slope, wherein the second side retaining structure includes two second upper The thread hanging seat and the two second lower thread hanging seats, the inner edge of each of the second upper thread hanging seats has a second upper limiting slope, and the inner edge of each of the second lower thread hanging seats has a The second lower limiting slope, wherein the first wire-entry part and the first wire-outgoing part of the first winding group abut against the first lower limiting slope and the second lower limiting slope respectively. On the position slope, the second wire-entry part and the second wire-outlet part of the second winding group abut against the first upper limit slope and the second upper limit slope respectively.

In an embodiment of the present utility model, each of the first upper thread-hanging seats has a first upper inclined surface, each of the second upper thread-hanging seats has a corresponding to the corresponding first upper The second upper inclined surface of the inclined surface, wherein each of the first lower thread-hanging seats has a first lower inclined surface, and each of the second lower thread-hanging seats has a corresponding to the corresponding first The second downward inclined surface of the first downward inclined surface, wherein the two opposite side ends of the insulating layer on the long sides are obliquely attached to the first upper inclined surface, the second upper inclined surface, the The first downward slope and the second downward slope.

In one embodiment of the present utility model, a first upper gradually expanding guide groove that gradually expands from the open end to the concave end is formed between the two first upper wire hanging seats, and the two first lower A first downward gradually expanding guide groove that gradually expands from the open end to the concave end is formed between the wire hanging seats, and a gradually expanding guide groove is formed between the two second upper thread hanging seats from the open end to the concave end. The second upper gradually expanding guide groove, a second lower gradually expanding guide groove that gradually expands from the open end to the concave end is formed between the two second lower wire hanging seats.

In an embodiment of the present utility model, the winding frame unit has a winding area conforming to the volume occupied by the winding group to accommodate the winding group, and the outer side of the first side blocking structure There is at least one first through groove of the winding group that is transversely connected to the winding area and the exposed portion is transversely arranged on the periphery; The area and the second through slot of the winding group of the exposed part in the transverse direction.

In an embodiment of the present utility model, it further includes: a first iron core and a second iron core, the first iron core has a first body limited on the first side block structure part and two first extending parts respectively extending from two opposite side ends of the first body part to the peripheral area of the winding area so as to cover at least one of the first through grooves, the second iron The core has a second body portion limited on the second side blocking structure and two peripheral areas respectively extending from two opposite side ends of the second body portion to the winding area so as to cover At least one second extending portion of the second through groove.

In an embodiment of the present utility model, the winding frame unit has a winding area conforming to the volume occupied by the winding group to accommodate the winding group, and the outer side of the first side blocking structure There is at least one first hollowed-out area of the winding set that is laterally connected to the winding area and the exposed portion is laterally exposed, and the outer periphery of the second side blocking structure has at least one horizontally connected to the winding area. area and the second hollowed-out area of the winding set in the lateral exposed portion.

In an embodiment of the present utility model, it further includes: a first iron core and a second iron core, the first iron core has a first body limited on the first side block structure part and two first extending parts respectively extending from two opposite side ends of the first body part to the peripheral area of the winding area so as to cover at least one of the first hollow areas, the second iron The core has a second body portion limited on the second side blocking structure and two peripheral areas respectively extending from two opposite side ends of the second body portion to the winding area so as to cover At least one second extension of the second hollow area.

In an embodiment of the present invention, it further includes: an auxiliary insulating flexible wire, the auxiliary insulating flexible wire is wound on the insulating layer and abuts against the first side blocking structure or the second side The blocking structure is used to isolate the first winding group from the second winding group, wherein the two opposite ends of the auxiliary insulating flexible wire are respectively positioned on the winding frame unit.

The beneficial effect of the present invention can be that, the transformer provided by the embodiment of the present invention can pass through "at least one inner edge of the wire hanging seat has a limiting slope, and the wire entry part of the winding group Or the wire outlet part is close to the limit slope, so that the angle formed by the wire inlet part or the wire outlet part relative to the winding part is smaller than a predetermined acute angle "to ensure that the The wire-entry part and the wire-outlet part of the winding group can be guided to positions that comply with electrical safety regulations, so that the utility model transformer does not need to use insulating sleeves and retaining wall (reverse folding) tapes. In this case, the electrical safety regulations can be complied with. In addition, since there is no need to use insulating sleeves and retaining wall (reverse folding) tapes, the winding of the transformer of the present invention can be completely wound by an automatic winding machine, thereby improving production efficiency (reducing manpower requirements) and improving product quality. quality.

In order to further understand the features and technical content of the present utility model, please refer to the following detailed description and accompanying drawings of the present utility model. However, the attached drawings are only for reference and illustration, and are not intended to limit the present utility model.

Description of drawings

Fig. 1 is a three-dimensional combined schematic diagram of the transformer of the present invention.

FIG. 2 is a three-dimensional exploded schematic view of one viewing angle of the transformer of the present invention.

Fig. 3 is a three-dimensional exploded schematic view of another viewing angle of the transformer of the present invention.

Fig. 4 is a three-dimensional schematic diagram of the bobbin frame unit of the transformer of the present invention.

Fig. 5 is a schematic side view of the first and second winding groups wound on the bobbin frame unit of the present invention.

Fig. 6 is a schematic diagram of another side view of the first and second winding groups wound on the bobbin frame unit of the present invention.

Fig. 7 is a schematic bottom view of the first and second winding groups wound on the bobbin frame unit of the present invention.

Fig. 8 is a schematic top view of the first and second winding groups wound on the bobbin frame unit of the present invention.

Fig. 9 is a schematic side view of the first and second winding groups of the present invention wound on another bobbin frame unit.

Fig. 10 is another schematic side view of the utility model in which the first and second winding groups have been wound on another winding frame unit.

Fig. 11 is a schematic cross-sectional view of the first and second winding groups of the present invention wound on yet another winding frame unit.

Fig. 12 is a top view schematic diagram of auxiliary insulating flexible wires additionally wound on the bobbin frame unit of the transformer of the present invention.

Fig. 13 is a schematic bottom view of the auxiliary insulating flexible wire additionally wound on the bobbin frame unit of the transformer of the present invention.

Wherein, the reference signs are explained as follows:

Transformer Z

Winder unit 1

First Side Guard Structure 11

The first upper thread hanging seat 111

First upper progressively expanding guide groove 111G

Inner edge 111C

The first upper limit slope 1110

First upper inclined surface 1111

The first lower hanging thread seat 112

First lower gradually expanding guide groove 112G

Medial edge 112C

The first lower limit slope 1120

The first downward inclined surface 1121

first through groove 113

The first hollow area 113'

Second Side Guard Structure 12

The second upper thread hanging seat 121

The second upper progressively expanding guide groove 121G

Medial edge 121C

The second upper limit slope 1210

The second upper inclined surface 1211

The second lower hanging wire seat 122

The second lower gradually expanding guide groove 122G

Medial edge 122C

The second lower limit slope 1220

The second lower inclined surface 1221

Second through groove 123

The second hollow area 123'

Flexible wire bearing structure 13

Open end S1

Recessed end S2

Winding area W

Winding unit 2

The first winding group 21

The first line entry part 211

Small section 2110

The first outlet part 212

Small section 2120

The first winding part 213

Second winding group 22

The second line entry part 221

Small section 2210

The second outlet part 222

Small section 2220

Second winding part 223

Insulation layer 23

side end 230

First core 3

first body part 30

first extension 31

Second core 4

second body part 40

second extension 41

Auxiliary insulating flexible wire 5

end part 50

Detailed ways

The following are specific examples to illustrate the implementation of the "transformer" disclosed in the utility model. Those skilled in the art can understand the advantages and effects of the utility model from the content disclosed in the specification. The utility model can be implemented or applied through other different specific embodiments, and various modifications and changes can be made to the details in this specification based on different viewpoints and applications without departing from the spirit of the utility model. In addition, the accompanying drawings of the present utility model are only for simple illustration, and are not drawn according to the actual size, and shall be described in advance. The following embodiments will further describe the relevant technical content of the present utility model in detail, but the disclosed content is not intended to limit the technical scope of the present utility model.

Please refer to Fig. 1 to Fig. 8, the utility model provides a transformer Z, its main components may include: a winding frame unit 1, a winding unit 2, a first iron core 3, and a first Two iron cores 4.

First of all, as shown in Figures 2 to 4, the winding frame unit 1 may include a first side guard structure 11, a second side guard structure 12, and a side guard structure connected to the first side guard structure 11 and the second side guard structure 12 between the flexible wire carrying structure 13, wherein the winding frame unit 1 has at least one wire hanging seat arranged on the first side blocking structure 11 or the second side blocking structure 12. For example, the first side blocking structure 11 includes two first upper wire hanging seats 111 and two first lower wire hanging seats 112 respectively having a plurality of first conductive pins (not labeled), and the second side The retaining structure 12 includes two second upper wire-hanging seats 121 and two second lower wire-hanging seats 122 respectively having a plurality of second conductive pins (not labeled). However, the first side retaining structure 11 or The number of wire hanging seats on the second side blocking structure 12 is not limited to the above examples.

Furthermore, as shown in Fig. 2, Fig. 3, Fig. 7 and Fig. 8, the winding unit 2 may include at least one winding group arranged on the bobbin frame unit 1, and the winding group has a wire entry portion, A wire outlet part, and a wire winding part connected between the wire inlet part and the wire outlet part and wound (wound) on the flexible wire carrying structure 13 . For example, the winding unit 2 includes a first winding group 21, a second winding group 22, and an insulating layer 23 between the first winding group 21 and the second winding group 22 (such as insulation tape or any form of insulating wrap). Wherein, as shown in FIG. 2 , FIG. 3 , and FIG. 7 , the first winding group 21 has a first wire entry portion that can be partially wound on the first conductive pin of any first lower wire hanging seat 112 211, a first wire outlet part 212 that can be partially wound on the second conductive pin of any second lower wire hanging seat 122, and a first wire inlet part 211 connected between the first wire outlet part 212 and wrapped around The first winding portion 213 on the flexible wire carrying structure 13 . In addition, as shown in FIG. 2, FIG. 3, and FIG. 8, the second winding group 22 has a second wire entry portion 221 that can be partially wound on any one of the first upper wire hanging seats 111, and a second wire entry portion 221 that can be partially wound on A second wire outlet portion 222 on any second upper wire hanging seat 121 and a second wire winding portion 223 connected between the second wire inlet portion 221 and the second wire outlet portion 222 and wound on the insulating layer 23 .

It is worth mentioning that the inner edge of at least one wire-hanging seat provided by the utility model has a limit slope, and the wire-entry part or the wire-out part of the winding group will be close to the limit slope, so that the wire-entry part or The included angle formed by the outlet portion relative to the winding portion is smaller than a predetermined acute angle. For example, as shown in FIG. 7 , the inner edge 112C of each first lower thread hanging seat 112 has a first lower limiting slope 1120 , and the inner edge 122C of each second lower thread hanging seat 122 has a A second lower limit inclined surface 1220, whereby a small segment 2110 of the first wire-entry part 211 and a small segment 2120 of the first wire-out part 212 of the first winding group 21 will respectively abut against the first lower limit on the inclined plane 1120 and the second lower limiting inclined plane 1220 . In addition, as shown in FIG. 8 , the inner edge 111C of each first upper thread hanging seat 111 has a first upper limiting slope 1110 , and the inner edge 121C of each second upper thread hanging seat 121 has a second upper Limiting slope 1210, whereby a small segment 2210 of the second wire-entry part 221 and a small segment 2220 of the second wire-out part 222 of the second winding group 22 will respectively abut against the first upper limiting slope 1110 and the second 2. On the limiting inclined plane 1210 at the top.

Furthermore, when the wire-entry part of the winding group abuts against the limiting slope, the angle formed by the "wire-entry part" relative to one of the outermost ends of the winding part will be less than 45 degrees to meet the Safety requirements. For example, as shown in FIG. 7 , when the small segment 2110 of the first wire-entry portion 211 of the first winding group 21 abuts against the first lower limiting slope 1120 , the small segment of the first wire-entry portion 211 An included angle formed by the segment 2110 relative to one of the outermost ends of the first winding portion 213 is less than 45 degrees to meet safety requirements. In addition, as shown in FIG. 8 , when the small segment 2210 of the second wire-entry portion 221 of the second winding group 22 abuts against the first upper limiting slope 1110 , the small segment 2210 of the second wire-entry portion 221 is opposite to The angle formed at the other outermost end of the second winding portion 223 is less than 45 degrees to meet the requirements of safety regulations.

Furthermore, when the outlet part of the winding group is close to the limiting slope, the angle formed by the "outlet part" relative to one of the outermost ends of the winding part will be less than 45 degrees, in order to comply with safety regulations. requirements. For example, as shown in FIG. 7 , when the small segment 2120 of the first wire outlet 212 of the first winding group 21 abuts against the second lower limit slope 1220 , the small segment 2120 of the first wire outlet 212 is opposite to An included angle formed at one of the outermost ends of the first winding portion 213 is less than 45 degrees to meet safety requirements. In addition, as shown in FIG. 8 , when the small segment 2220 of the second wire outlet 222 of the second winding group 22 is close to the second upper limit slope 1210 , the small segment 2220 of the second wire outlet 222 is relatively The angle formed by the other outermost end of the second winding portion 223 is less than 45 degrees to meet the requirements of safety regulations.

It is worth mentioning that, as shown in FIG. 2 and FIG. 5 , a first lower gradually expanding guide groove 112G that gradually expands from the open end S1 toward the concave end S2 is formed between the two first lower wire hanging seats 112 (such as a T-shaped guide slot or any guide slot that expands inwards), the first wire entry portion 211 of the first winding group 21 will gradually expand from one side of the first lower guide slot 112G The guide recess (not numbered) passes through and partially winds on the first conductive pin of any one of the first lower wire hanging seats 112, thereby ensuring that the first wire entry portion 211 of the first winding group 21 can pass through The guidance of the first lower gradually expanding guide groove 112G achieves the effect of line convergence and position limitation, and can effectively reduce the short circuit of tin plating and prevent the first wire entry part 211 of the first winding group 21 from contacting the second winding group 21. Possibility of two winding sets 22.

Based on the above, a first upper gradually expanding guide groove 111G (such as a T-shaped guide groove or any inwardly expanding guide groove 111G) is formed between the two first upper thread-hanging seats 111 and gradually expands from the open end S1 toward the recessed end S2. expanding guide groove), the second wire entry portion 221 of the second winding group 22 will pass through the guiding recess (not labeled) on one side of the first upper expanding guide groove 111G and partially wind around Any one of the first upper wire hanging seats 111, so as to ensure that the second wire entry part 221 of the second winding group 22 can be guided by the first upper gradually expanding guide groove 111G to achieve line convergence and limit effect, and can effectively reduce the possibility of tin-plating short circuit and prevent the second wire entry portion 221 of the second winding group 22 from contacting the first winding group 21 .

It is worth mentioning that, as shown in FIG. 3 and FIG. 6 , a second lower gradually expanding guide groove 122G that gradually expands from the open end S1 toward the concave end S2 is formed between the two second lower wire hanging seats 122 (for example, T-shaped guide groove or any inwardly expanding guide groove), the first outlet part 212 of the first winding group 21 will guide the concave part from one side of the second lower gradually expanding guide groove 122G ( (unlabeled) pass through and partly wind on the second conductive pin of any one of the second lower hanging wire holders 122, so as to ensure that the first outlet part 212 of the first winding group 21 can pass through the second lower diffuser The guidance of the guide groove 122G achieves the effect of line convergence and position limitation, and can effectively reduce the possibility of tin plating short circuit and avoid the possibility that the first outlet part 212 of the first winding group 21 will contact the second winding group 22 .

Based on the above, a second upper gradually expanding guide groove 121G (such as a T-shaped guide groove or any inwardly expanding guide groove 121G) is formed between the two second upper thread-hanging seats 121 and gradually expands from the open end S1 toward the recessed end S2. expanding guide groove), the second outlet portion 222 of the second winding group 22 will pass through the guiding recess (not labeled) on one side of the second upper expanding guide groove 121G and partially wind around any A second upper wire hanging seat 121, so as to ensure that the second outlet part 222 of the second winding group 22 can be guided by the second upper gradually expanding guide groove 121G to achieve the effect of line convergence and limit , and can effectively reduce the possibility of tin-plating short circuit and prevent the second outlet portion 222 of the second winding set 22 from contacting the first winding set 21 .

It should be noted that, as shown in FIG. 4 , FIG. 7 , and FIG. 8 , the bobbin unit 1 has a volume corresponding to the volume occupied by the winding groups (such as the first winding group 21 and the second winding group 22 ). To accommodate the winding area W of the winding group. For example, as shown in FIG. 4 and FIG. 5 , there is at least one first through groove 113 on the outer periphery of the first side blocking structure 11 that is connected to the winding area W and has a laterally exposed second winding portion 223 . . As shown in FIG. 4 and FIG. 6 , at least one second through groove 123 of the second winding portion 223 of the second winding portion 223 that is laterally connected to the winding area W and exposed laterally is formed on the outer periphery of the second side blocking structure 12 .

Furthermore, as shown in FIG. 2 , FIG. 3 , and FIG. 4 , the first iron core 3 has a first body part 30 that is limited on the first side block structure 11 and two parts from the first body respectively. The two opposite side ends of the part 30 extend to the peripheral area of the winding area W so as to cover the first extending parts 31 of the two first through grooves 113 respectively, wherein the first body part 30 has a secondary winding frame unit 1 One end is inserted into the first positioning protrusion (not numbered) in the through hole (not numbered). In addition, the second iron core 4 has a second body portion 40 limited on the second side stop structure 12 and two peripheral regions respectively extending from two opposite side ends of the second body portion 40 to the winding area W. In order to cover the second extension parts 41 of the two second through grooves 123 respectively, wherein the second body part 40 has a second positioning protrusion inserted into the through hole (not labeled) from the other end of the winding frame unit 1 Department (not numbered).

In another feasible embodiment, as shown in FIG. 9 and FIG. 10 , the outer circumference of the first side barrier structure 11 can also be designed to have at least one first laterally exposed part connected to the winding area W. The first hollow area 113' of the second winding portion 223, and the outer periphery of the second side blocking structure 12 can also be designed to have at least one second winding portion 223 that is laterally connected to the winding area W and has a laterally exposed portion. The second hollow area 123'. Thereby, when the first iron core 3 and the second iron core 4 are respectively assembled on the first side shield structure 11 and the second side shield structure 12, the two first extension parts 31 will respectively cover the two first hollow areas 113', and the two second extensions 41 cover the two second hollow areas 123' respectively.

In another feasible embodiment, as shown in FIG. 11, each first upper thread-hanging seat 111 has a first upper inclined surface 1111, and each second upper thread-hanging seat 121 has a corresponding The second upper inclined surface 1211 of the first upper inclined surface 1111, each first lower thread hanging seat 112 has a first lower inclined surface 1121, and each second lower thread hanging seat 122 has a corresponding The second downward inclined surface 1221 corresponds to the first downward inclined surface 1121 . Therefore, when the insulating layer 23 is wound on the first winding group 21, the two opposite end portions 230 of the insulating layer 23 on the long sides will obliquely stick to the first upper inclined surface 1111 and the second upper inclined surface 1211. , the first downward inclined surface 1121, and the second downward inclined surface 1221, so that when the second winding group 22 is wound on the first winding group 21, the first winding group 21 and the second winding group The possibility that the winding sets 22 will come into contact with each other.

In another feasible embodiment, as shown in Fig. 12 and Fig. 13, the transformer Z provided by the present invention may further include: an auxiliary insulating flexible wire 5, which is wound on the insulating layer 23 and against the first side blocking structure 11 or the second side blocking structure 12, thereby isolating the first winding group 21 and the second winding group 22, wherein the two opposite ends 50 of the auxiliary insulating flexible wire 5 will be They are respectively positioned on the bobbin unit 1 . For example, as shown in FIG. 13 , the auxiliary insulating flexible wire 5 is wound on the insulating layer 23 and abuts against the first side barrier structure 11 , and the two opposite end portions 50 of the auxiliary insulating flexible wire 5 are positioned on the first side respectively. On the side blocking structure 11 , thereby completely avoiding the possibility that the second winding group 22 will contact the first winding group 21 .

(feasible effect of the embodiment)

To sum up, the beneficial effect of the present utility model can be that the transformer Z provided by the embodiment of the present utility model can pass through "the inner edge of at least one wire holder has a limiting slope, and the wire entry part of the winding group Or the wire outlet part is close to the limiting slope, so that the angle formed by the wire inlet part or the wire outlet part relative to the winding part is smaller than a predetermined acute angle, so as to ensure that the wire inlet part and the wire outlet part of the winding group can Guided to a position that complies with electrical safety regulations, the transformer Z of the utility model can thus comply with electrical safety regulations without the use of insulating sleeves and retaining wall (reflex) adhesive tapes. In addition, since there is no need to use insulating sleeves and retaining wall (reverse folding) tapes, the winding of the transformer Z of the present invention can be completely wound using an automatic winding machine, thereby improving production efficiency (reducing manpower requirements) and improving product quality.

The above description is only a preferred feasible embodiment of the present utility model, and does not limit the scope of the claims of the present utility model. Therefore, all equivalent technical changes made by using the description of the utility model and the contents of the accompanying drawings are included in this utility model. within the protection scope of the utility model claims.

Claims (11)

1. A transformer, characterized in that, the transformer comprises: A winding frame unit, which includes a first side guard structure, a second side guard structure, and a flexible wire carrying structure connected between the first side guard structure and the second side guard structure, wherein The reel unit has at least one wire hanger disposed on the first side stop structure or the second side stop structure; and A winding unit, which includes at least one winding group arranged on the winding frame unit, wherein the winding group has a wire inlet part, a wire outlet part, and a wire winding on the flexible wire bearing structure winding part; Wherein, the inner edge of at least one of the wire-hanging seats has a limiting slope, and the wire-entry portion or the wire-outlet portion of the winding group abuts against the limiting slope, so that the wire-entry The included angle formed by the part or the wire outlet part relative to the winding part is smaller than a predetermined acute angle. 2. The transformer according to claim 1, wherein when the wire-entry portion of the winding group abuts against the limiting slope, the wire-entry portion is relatively The included angle formed by one of the outermost ends of them is less than 45 degrees. 3. The transformer according to claim 1, wherein when the wire outlet part of the winding group abuts against the limiting slope, the wire outlet part is relatively An included angle formed by an outermost end is less than 45 degrees. 4. The transformer according to claim 1, wherein the winding unit comprises a first winding group, a second winding group, and a coil located between the first winding group and the second winding group. The insulating layer between the winding groups, the first winding group has a first wire-entry part, a first wire-out part, and a first winding part, and the second winding group has a second wire-entry part wire part, a second wire outlet part, and a second wire winding part, wherein the first side retaining structure includes two first upper wire hanging seats and two first lower wire hanging seats, each of the first The inner edge of an upper thread hanging seat has a first upper limiting slope, and the inner edge of each of the first lower thread hanging seats has a first lower limiting inclined surface, wherein the second side blocking structure includes Two second upper thread-hanging seats and two second lower thread-hanging seats, the inner edge of each of the second upper thread-hanging seats has a second upper limiting slope, each of the second lower thread-hanging seats The inner edge of the inner edge has a second lower limiting slope, wherein the first wire-entry portion and the first wire-out portion of the first winding group respectively abut against the first lower limiting slope and the first On the second lower limiting slope, the second wire-entry portion and the second wire-out portion of the second winding group abut against the first upper limiting slope and the second upper limiting slope respectively. on a bit slope. 5. The transformer according to claim 4, characterized in that, each of the first upper wire-hanging seats has a first upper inclined surface, and each of the second upper wire-hanging seats has a corresponding The second upper inclined surface of the first upper inclined surface, wherein each of the first lower thread-hanging seats has a first lower inclined surface, and each of the second lower thread-hanging seats has a corresponding Corresponding to the second downward inclined surface of the first downward inclined surface, wherein the two opposite side ends of the insulating layer on the long side are obliquely attached to the first upper inclined surface and the second upper inclined surface. an inclined surface, the first downward inclined surface, and the second downward inclined surface. 6. The transformer according to claim 4, characterized in that, a first upper gradually expanding guide groove that gradually expands from the open end to the concave end is formed between the two first upper wire hanging seats, and the two A first downward gradually expanding guide groove that gradually expands from the open end toward the concave end is formed between the first lower thread hanging seats, and a guide groove is formed between the two second upper thread hanging seats from the open end toward the concave end. The second upper gradually expanding guide groove at the concave end gradually expands, and a second lower gradually expanding guiding groove gradually expanding from the opening end toward the concave end is formed between the two second lower wire hanging seats. 7. The transformer according to claim 1, wherein the bobbin unit has a winding area conforming to the volume occupied by the winding group to accommodate the winding group, the first The outer periphery of the side blocking structure has at least one first through groove of the winding group which is transversely connected to the winding area and the exposed part in the transverse direction, and the outer periphery of the second side blocking structure has at least one transverse communicating groove. The second through slot of the winding group in the winding area and the exposed portion in the transverse direction. 8. The transformer according to claim 7, further comprising: a first iron core and a second iron core, the first iron core has a stop structure limited on the first side a first body portion on the top and two first extension portions respectively extending from two opposite side ends of the first body portion to the peripheral area of the winding area so as to cover at least one of the first through-slots, The second iron core has a second body portion limited on the second side blocking structure and two outer edges respectively extending from two opposite side ends of the second body portion to the winding area. area so as to cover at least one second extending portion of the second through groove. 9. The transformer according to claim 1, wherein the bobbin unit has a winding area conforming to the volume occupied by the winding group to accommodate the winding group, the first The outer periphery of the side blocking structure has at least one first hollowed-out area of the winding group which is transversely connected to the winding area and the exposed part in the lateral direction, and the outer periphery of the second side blocking structure has at least one transverse communication The second hollowed-out area of the winding group in the winding area and the exposed portion in the transverse direction. 10. The transformer according to claim 9, further comprising: a first iron core and a second iron core, the first iron core has a stop structure limited on the first side a first body part on the top and two first extension parts respectively extending from two opposite side ends of the first body part to the peripheral area of the winding area so as to cover at least one of the first hollow areas, The second iron core has a second body portion limited on the second side blocking structure and two outer edges respectively extending from two opposite side ends of the second body portion to the winding area. area so as to cover at least one second extension of the second hollow area. 11. The transformer according to claim 4, further comprising: an auxiliary insulating flexible wire, the auxiliary insulating flexible wire is wound on the insulating layer and abuts against the first side stop structure or The second side blocking structure is used to isolate the first winding group and the second winding group, wherein two opposite ends of the auxiliary insulating flexible wire are respectively positioned on the winding frame unit.